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1. Auf github über Einstellungen ein Personal Access Token erstellen
1. Login mit `docker login ghcr.io`, github username als Username und das Token als Passwort eingeben
1. `docker build -t ghcr.io/<githubusername>/counter-frontend frontend` um das Frontend zu builden
1. `docker push ghcr.io/<githubusername>/counter-frontend` um das Frontend pushen
1. `docker build -t ghcr.io/<githubusername>/counter-backend backend` um das Backend zu builden
1. `docker push ghcr.io/<githubusername>/counter-backend` um das Backend zu pushen
1. Auf github die beiden Packages von «Private» auf «Public» stellen (oder ein pull-secret einrichten)
1. Deployment für das Backend mit dem Namen «counter-backend» und dem vorher erstellten image erstellen und folgende envs einrichten:
- DB_USER aus dem counter-database secret
- DB_NAME aus dem counter-database secret
- DB_PASSWORD aus dem counter-database secret
- DB_HOST aus dem counter-config configMap
- PASSPHRASE aus dem counter-secret secret
1. Service für das Backend mit dem Namen «counter-backend» erstellen und auf den Port 8080 mappen
1. Route für das Backend erstellen
1. Deployment für das Frontend mit dem Namen «counter-frontend» und dem vorher erstellten image erstellen und folgende envs einrichten:
- BACKEND_URL aus dem counter-config configMap
1. Service für das Frontend mit dem Namen «counter-frontend» erstellen und auf den Port 3000 mappen
1. Route für das Frontend erstellen

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# How to copy the candidate repository
## Goal
This manual describes how a candidate of the module 109 can copy this repository into their personal work environment.
## Prerequisites
To execute the following steps the following requirements must be met:
- Have a personal GitHub account
- Have the [git](https://git-scm.com/) application locally installed
- Have a sophisticated text editor (e.g. [vscode](https://code.visualstudio.com/)) locally installed
## Important git terminology
- Repository: the database, where all files and meta information are stored
- Working copy: a location, private to an individual, containing copies of files in use
- Checkout: process to retrieve a working copy of files from a repository
- Commit: store the current changes of the repository in a new commit along with a log message from the user describing the changes
- Update: bring the contents of a working copy inline with the repository
- Branching: working in an alternative thread of changes without interfering the current main branch
## Important git commands
- git clone: creating a private working copy of a remote repository
- git add: add changes to the commit area. All files in this area can now be versioned using the succeeding git commit command
- git commit: assign a commit message and therefore version all files within the staging area
- git status: check the current status of the repository. What files are in the commit area or modified
- git push: push local changes to the central remote repository
- git pull: pull remote changes to your local working copy
## How to copy (fork) the candidate repository into your personal GitHub profile
1) Open GitHub and login with your personal GitHub account
2) Open the candidate [repository](https://github.com/modul-i-ch-109/counter_kand) on GitHub
3) Within the repository use the option "fork" to create a copy of the current project within your personal GitHub profile ![fork_buttom](documentation/fork.png)
4) Select your personal GitHub profile as destination ![fork_destination](documentation/destination.png)
5) Now GitHub has copied the repository within your personal GitHub profile. This allows you to make changes independently of the original repository. If at a certain point you would like to copy back (merge) your changes back to the original project, you can use the merge request functionality within GitHub.

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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

21
counter_kand/README.md Normal file
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# Counting app - Demo React and NodeJS app
[![Publish counter docker image](https://github.com/modul-i-ch-109/counter/actions/workflows/action.yml/badge.svg?branch=master)](https://github.com/modul-i-ch-109/counter/actions/workflows/action.yml)
## Scope
The goal was to create a dynamic counter app to replace the current paper-heavy counting tasks. The application must be able to run on the mobile and must be intuitive.
## Design
### Frontend
Using react in combination with the material design to create a intuitive UI.
![UseCaseView](documentation/usecaseView.PNG)
![ExecutionOfMeasurements](documentation/ExecutionOfMeasurementsView.PNG)
![MeasurementsView](documentation/measurementsView.PNG)
### Backend
Backend API is using node and postgres as persistent datastore.
# Development
Backend and frontend are combined in this project.
For the runtime the following env variable can control behavior of the application:

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# files not to be copied into the docker image
node_modules
npm-debug.log
Dockerfile*
docker-compose*
.dockerignore
.git
.gitignore
README.md
LICENSE
.vscode

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@ -0,0 +1,13 @@
# -----------------------------------------------------------------------------
# Secrets are stored here.
# -----------------------------------------------------------------------------
NODE_ENV=development
# Database Information
DB_HOST=localhost
DB_NAME=database
DB_USER=postgres
DB_PASSWORD=password
# Test Secret
PASSPHRASE=secret

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const path = require('path');
module.exports = {
'config': path.resolve('config', 'config.js'),
'models-path': path.resolve('src', 'models'),
'seeders-path': path.resolve('src', 'seeders'),
'migrations-path': path.resolve('src', 'migrations')
};

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FROM node:19-alpine
ENV npm_config_cache ./.npm-cache
RUN apk add --no-cache dos2unix
WORKDIR /srv/app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
RUN dos2unix entrypoints/*
USER node
EXPOSE 8080
ENTRYPOINT [ "entrypoints/production.sh" ]
CMD [ "npm", "start" ]

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# Backend
## Environment Variables
```
NODE_ENV=development
# Database Information
DB_HOST=localhost
DB_NAME=database
DB_USER=postgres
DB_PASSWORD=password
# Test Secret for /api/health/secret
PASSPHRASE=secret
```
## Available Scripts
### Migrations
The backend provides the following commands to initiate the database and run the migrations.
```
# create database
npx sequelize-cli db:create
# run migrations
npx sequelize-cli db:migrate
```
## Run the app
### Run the development environment
`npm run dev`
Runs the app in the development mode.
Open [http://localhost:8080](http://localhost:8080) to view the backend in the browser.
Open [http://localhost:3100](http://localhost:3100) to view the frontend in the browser.
The page will reload if you make edits. You will also see any lint errors in the console.
### Run the production environment
`npm start`
Runs the app in the production mode.
Open [http://localhost:8080](http://localhost:8080) to view the backend in the browser.
Open [http://localhost:3100](http://localhost:3100) to view the frontend in the browser.

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require('dotenv').config({ path: '.env' });
module.exports = {
"development": {
"username": process.env.DB_USER || 'postgres',
"password": process.env.DB_PASSWORD || 'password',
"database": process.env.DB_NAME || 'database_development',
"host": process.env.DB_HOST || '127.0.0.1',
"dialect": "postgres",
"seederStorage": 'sequelize'
},
"test": {
"username": process.env.DB_USER || 'postgres',
"password": process.env.DB_PASSWORD || 'password',
"database": process.env.DB_NAME || 'database_test',
"host": process.env.DB_HOST || '127.0.0.1',
"dialect": "postgres",
"seederStorage": 'sequelize'
},
"production": {
"username": process.env.DB_USER || 'postgres',
"password": process.env.DB_PASSWORD || 'password',
"database": process.env.DB_NAME || 'database_production',
"host": process.env.DB_HOST || '127.0.0.1',
"dialect": "postgres"
},
"seederStorage": "sequelize"
}

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#!/bin/sh
set -e
umask 0002
echo "WAITING FOR DATABASE DB_HOST = $DB_HOST"
./entrypoints/wait-for.sh $DB_HOST:5432
npx sequelize-cli db:create || true
npx sequelize-cli db:migrate --migrations-path src/migrations || true
npx sequelize-cli db:seed:all --seeders-path src/seeders || true
exec "$@"

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@ -0,0 +1,191 @@
#!/bin/sh
# The MIT License (MIT)
#
# Copyright (c) 2017 Eficode Oy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
VERSION="2.2.3"
set -- "$@" -- "$TIMEOUT" "$QUIET" "$PROTOCOL" "$HOST" "$PORT" "$result"
TIMEOUT=15
QUIET=0
# The protocol to make the request with, either "tcp" or "http"
PROTOCOL="tcp"
echoerr() {
if [ "$QUIET" -ne 1 ]; then printf "%s\n" "$*" 1>&2; fi
}
usage() {
exitcode="$1"
cat << USAGE >&2
Usage:
$0 host:port|url [-t timeout] [-- command args]
-q | --quiet Do not output any status messages
-t TIMEOUT | --timeout=timeout Timeout in seconds, zero for no timeout
-v | --version Show the version of this tool
-- COMMAND ARGS Execute command with args after the test finishes
USAGE
exit "$exitcode"
}
wait_for() {
case "$PROTOCOL" in
tcp)
if ! command -v nc >/dev/null; then
echoerr 'nc command is missing!'
exit 1
fi
;;
http)
if ! command -v wget >/dev/null; then
echoerr 'wget command is missing!'
exit 1
fi
;;
esac
TIMEOUT_END=$(($(date +%s) + TIMEOUT))
while :; do
case "$PROTOCOL" in
tcp)
nc -w 1 -z "$HOST" "$PORT" > /dev/null 2>&1
;;
http)
wget --timeout=1 -q "$HOST" -O /dev/null > /dev/null 2>&1
;;
*)
echoerr "Unknown protocol '$PROTOCOL'"
exit 1
;;
esac
result=$?
if [ $result -eq 0 ] ; then
if [ $# -gt 7 ] ; then
for result in $(seq $(($# - 7))); do
result=$1
shift
set -- "$@" "$result"
done
TIMEOUT=$2 QUIET=$3 PROTOCOL=$4 HOST=$5 PORT=$6 result=$7
shift 7
exec "$@"
fi
exit 0
fi
if [ $TIMEOUT -ne 0 -a $(date +%s) -ge $TIMEOUT_END ]; then
echo "Operation timed out" >&2
exit 1
fi
sleep 1
done
}
while :; do
case "$1" in
http://*|https://*)
HOST="$1"
PROTOCOL="http"
shift 1
;;
*:* )
HOST=$(printf "%s\n" "$1"| cut -d : -f 1)
PORT=$(printf "%s\n" "$1"| cut -d : -f 2)
shift 1
;;
-v | --version)
echo $VERSION
exit
;;
-q | --quiet)
QUIET=1
shift 1
;;
-q-*)
QUIET=0
echoerr "Unknown option: $1"
usage 1
;;
-q*)
QUIET=1
result=$1
shift 1
set -- -"${result#-q}" "$@"
;;
-t | --timeout)
TIMEOUT="$2"
shift 2
;;
-t*)
TIMEOUT="${1#-t}"
shift 1
;;
--timeout=*)
TIMEOUT="${1#*=}"
shift 1
;;
--)
shift
break
;;
--help)
usage 0
;;
-*)
QUIET=0
echoerr "Unknown option: $1"
usage 1
;;
*)
QUIET=0
echoerr "Unknown argument: $1"
usage 1
;;
esac
done
if ! [ "$TIMEOUT" -ge 0 ] 2>/dev/null; then
echoerr "Error: invalid timeout '$TIMEOUT'"
usage 3
fi
case "$PROTOCOL" in
tcp)
if [ "$HOST" = "" ] || [ "$PORT" = "" ]; then
echoerr "Error: you need to provide a host and port to test."
usage 2
fi
;;
http)
if [ "$HOST" = "" ]; then
echoerr "Error: you need to provide a host to test."
usage 2
fi
;;
esac
wait_for "$@"

4116
counter_kand/backend/package-lock.json generated Normal file

File diff suppressed because it is too large Load Diff

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{
"name": "trafficcounter",
"version": "1.0.0",
"private": false,
"license": "GNU General Public License v3.0",
"repository": {
"type": "git",
"url": "https://github.com/modul-i-ch-109/counter"
},
"dependencies": {
"bcrypt": "^5.0.1",
"body-parse": "^0.1.0",
"config": "^3.3.7",
"cors": "^2.8.5",
"dotenv": "^16.0.3",
"epilogue": "^0.7.1",
"express": "^4.18.1",
"nodemon": "^2.0.20",
"pg": "^8.7.3",
"postgres": "^3.3.1",
"sequelize": "^6.25.5",
"sequelize-cli": "^6.5.2",
"uuid": "^9.0.0"
},
"scripts": {
"dev": "nodemon src/index.js",
"start": "node src/index.js",
"build": "",
"test": "jest",
"db_create": "sequelize db:create",
"migrate": "npx sequelize-cli db:migrate",
"seed": "npx sequelize-cli db:seed:all"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}

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@ -0,0 +1,31 @@
require('dotenv').config({ path: '.env' });
const port = process.env.SERVER_PORT || 8080;
const path = require('path');
const express = require('express');
const cors = require('cors');
const bodyParser = require('body-parser');
const db = require('./models/index')
const usecaseApi = require('./routes/useCaseRoutes')
const measurementApi = require('./routes/measurementRoutes');
const healthApi = require('./routes/healthRoutes');
const app = express();
app.use(cors());
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
// serve static folder for production
let publicFolder = path.resolve(__dirname, '..')
publicFolder = path.resolve(publicFolder, '..')
app.use(express.static(path.join(publicFolder, 'build')));
// serve api
app.use('/api/useCases', usecaseApi)
app.use('/api/measurements', measurementApi)
app.use('/api/health', healthApi)
app.listen(port, () => {
console.log(`Listening on port ${port}`);
})

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'use strict';
module.exports = {
async up(queryInterface, Sequelize) {
await queryInterface.createTable('UseCases', {
id: {
allowNull: false,
autoIncrement: true,
primaryKey: true,
type: Sequelize.INTEGER
},
name: {
type: Sequelize.STRING
},
measurementOptions: {
type: Sequelize.JSON
},
pinCode: {
type: Sequelize.STRING
},
createdAt: {
allowNull: false,
type: Sequelize.DATE
},
updatedAt: {
allowNull: false,
type: Sequelize.DATE
}
});
},
async down(queryInterface, Sequelize) {
await queryInterface.dropTable('UseCases');
}
};

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@ -0,0 +1,38 @@
'use strict';
module.exports = {
async up(queryInterface, Sequelize) {
await queryInterface.createTable('Measurements', {
id: {
allowNull: false,
autoIncrement: true,
primaryKey: true,
type: Sequelize.INTEGER
},
groupName: {
type: Sequelize.STRING
},
value: {
type: Sequelize.STRING
},
timestamp: {
type: Sequelize.DATE
},
useCaseId: {
type: Sequelize.INTEGER,
references: { model: 'UseCases', key: 'id' }
},
createdAt: {
allowNull: false,
type: Sequelize.DATE
},
updatedAt: {
allowNull: false,
type: Sequelize.DATE
}
});
},
async down(queryInterface, Sequelize) {
await queryInterface.dropTable('Measurements');
}
};

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const fs = require('fs');
const path = require('path');
const Sequelize = require('sequelize');
const basename = path.basename(__filename);
const env = process.env.NODE_ENV || 'development';
const config = require(__dirname + '/../../config/config.js')[env];
const db = {};
let dbConf = {}
// reset the automatic date conversion of pg and work with the timezones
var pg = require('pg');
pg.types.setTypeParser(1082, 'text', function(text) {return text;});
pg.types.setTypeParser(1184, 'text', function(text) {return text;});
pg.types.setTypeParser(1114, 'text', function(text) {return text;});
dbConf.port = config.port;
dbConf.dialect = config.dialect
dbConf.host = config.host
dbConf.timezone = 'Europe/Vienna'
dbConf.dialectOptions = {
useUTC: false, //for reading from database
dateStrings: true,
typeCast: function (field, next) { // for reading from database
if (field.type === 'DATETIME') {
return field.string()
}
return next()
},
}
let sequelize = new Sequelize(config.database, config.username, config.password, dbConf);
fs
.readdirSync(__dirname)
.filter(file => {
return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js');
})
.forEach(file => {
const model = require(path.join(__dirname, file))(sequelize, Sequelize.DataTypes);
db[model.name] = model;
});
Object.keys(db).forEach(modelName => {
if (db[modelName].associate) {
db[modelName].associate(db);
}
});
db.sequelize = sequelize;
db.Sequelize = Sequelize;
module.exports = db;

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@ -0,0 +1,29 @@
'use strict';
const {
Model
} = require('sequelize');
module.exports = (sequelize, DataTypes) => {
class Measurement extends Model {
/**
* Helper method for defining associations.
* This method is not a part of Sequelize lifecycle.
* The `models/index` file will call this method automatically.
*/
static associate(models) {
Measurement.belongsTo(models.UseCase, {
foreignKey: 'id'
})
}
}
Measurement.init({
groupName: DataTypes.STRING,
value: DataTypes.STRING,
timestamp: DataTypes.DATE,
}, {
sequelize,
modelName: 'Measurement',
});
return Measurement;
};

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@ -0,0 +1,42 @@
'use strict';
const {
Model
} = require('sequelize');
const bcrypt = require('bcrypt')
module.exports = (sequelize, DataTypes) => {
class UseCase extends Model {
/**
* Helper method for defining associations.
* This method is not a part of Sequelize lifecycle.
* The `models/index` file will call this method automatically.
*/
static associate(models) {
// define association here
UseCase.hasMany(models.Measurement, {
foreignKey: 'useCaseId'
})
}
}
UseCase.init({
name: DataTypes.STRING,
measurementOptions: DataTypes.JSON,
pinCode: DataTypes.STRING
}, {
sequelize,
modelName: 'UseCase',
});
// static class function to convert frontend numerical pin to hash
UseCase.generateHash = function(pinCode) {
return bcrypt.hashSync(pinCode, 10)
}
// instance method to verify a numerical pin to the original hash
UseCase.prototype.validPinCode = function(pinCode) {
return bcrypt.compareSync(pinCode, this.pinCode);
}
return UseCase;
};

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const express = require('express');
const db = require('../models/index')
const router = express.Router();
// get method - health check - check if the database is connected
router.get('/database', (req, res, next) => {
db.Measurement.findAll()
.then(() => {
res.status(200).json({
message: 'OK: Database is connected',
})
})
.catch(err => {
console.log(err)
res.status(500).json({
error: "NOK: Internal server error - database could NOT be connected. Details: " + err
});
})
})
// get method - secret check - check if secret can be read
router.get('/secret', (req, res, next) => {
const secret = process.env.PASSPHRASE || null
if(secret) {
res.status(200).json({
message: "OK: Secret can be read"
})
} else {
res.status(500).json({
error: "NOK: Secret could NOT be read"
})
}
})
module.exports = router;

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const express = require('express');
const router = express.Router();
const db = require('../models/index')
// post method - creation of a new measurement
router.post('/', (req, res, next) => {
let measurement = {
groupName: req.body.groupName,
value: req.body.value,
timestamp: req.body.timestamp,
useCaseId: req.body.useCase
}
db.Measurement.create(measurement)
.then(result => {
res.status(200).json(result)
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
})
// get all measurement
router.get("/", (req, res, next) => {
db.Measurement.findAll()
.then(data => {
res.status(200).json(data);
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// get specific measurement by id
router.get("/:id", (req, res, next) => {
let measurementId = req.params.id
db.Measurement.findOne({ where:
{ 'id': measurementId }
})
.then(data => {
res.status(200).json(data);
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// update measurement based on measurement id
router.put("/:id", (req, res, next) => {
let measurementId = req.params.id
let updatedMeasurement = {
groupName: req.body.groupName,
value: req.body.value,
timestamp: req.body.timestamp,
useCase: req.body.useCase
}
db.Measurement.findOne({ where:
{ 'id': measurementId }
})
.then(measurement => {
if(measurement) {
measurement.update(updatedMeasurement)
res.status(200).json(measurement)
} else {
res.status(404).json({
error: "Measurement with given id could not be found"
})
}
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// delete measurement based on id
router.delete("/:id", (req, res, next) => {
let measurementId = req.params.id
db.Measurement.destroy({
where: { 'id': measurementId }
})
.then(data => {
res.status(200).json({
data
});
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
module.exports = router;

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const express = require('express');
const db = require('../models/index')
const router = express.Router();
// post method - creation of a new usecase
router.post('/', (req, res, next) => {
let useCase = {
name: req.body.name,
measurementOptions: req.body.measurementOptions,
pinCode: db.UseCase.generateHash(req.body.pinCode)
}
db.UseCase.create(useCase).then(result => {
res.status(200).json(result)
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
})
// get all use cases
router.get("/", (req, res, next) => {
db.UseCase.findAll()
.then(data => {
res.status(200).json(data);
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// get specific usecase by id
router.get("/:id", (req, res, next) => {
let useCaseId = req.params.id
db.UseCase.findOne({
where:
{ 'id': useCaseId }
})
.then(data => {
res.status(200).json(data);
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// get measurements of a specific usecase
router.get("/:id/measurements", (req, res, next) => {
let useCaseId = req.params.id
db.UseCase.findOne({
where:
{ 'id': useCaseId },
include: [
{ model: db.Measurement, attributes: ["groupName", "value", "timestamp"] }
],
order: [
[db.Measurement, 'timestamp', 'DESC'],
]
})
.then(data => {
res.status(200).json(data);
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// get measurements of a specific usecase
router.get("/:id/measurements/count", (req, res, next) => {
let useCaseId = req.params.id
db.UseCase.findOne({
where:
{ 'id': useCaseId },
include: [
{ model: db.Measurement, attributes: ["groupName", "value", "timestamp"] }
],
order: [
[db.Measurement, 'timestamp', 'DESC'],
]
})
.then(data => {
let measurements = data.Measurements || []
res.status(200).json(measurements.length);
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// verify if a given user provided the currect password
router.post("/:id/authorize", (req, res, next) => {
let useCaseId = req.params.id
let pinCode = req.body.pinCode
db.UseCase.findOne({
where:
{ 'id': useCaseId }
})
.then(useCase => {
if (useCase) {
if (useCase.validPinCode(pinCode)) {
res.status(200).json("Authenticated successfully")
} else {
res.status(401).json({
error: "Unauthorized access, wrong pin provided"
})
}
} else {
res.status(404).json({
error: "Use case with given id could not be found"
})
}
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// update usecase based on usecase id
router.put("/:id", (req, res, next) => {
let useCaseId = req.params.id
let updatedUseCase = {
name: req.body.name,
measurementOptions: req.body.measurementOptions,
}
db.UseCase.findOne({
where:
{ 'id': useCaseId }
})
.then(useCase => {
if (useCase) {
if (useCase.validPinCode(req.body.pinCode)) {
useCase.update(updatedUseCase)
res.status(200).json(useCase)
} else {
res.status(401).json({
error: "Unauthorized access, wrong pin provided"
})
}
} else {
res.status(404).json({
error: "Use case with given id could not be found"
})
}
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
});
// delete usecase based on id
router.delete("/:id", (req, res, next) => {
let useCaseId = req.params.id
db.Measurement.destroy({
where:
{ 'useCaseId': useCaseId }
})
.then(response => {
db.UseCase.destroy({
where: { 'id': useCaseId }
})
.then(data => {
res.status(200).json({
data
});
})
.catch(err => {
console.log(err)
res.status(500).json({
error: err
});
})
})
});
module.exports = router;

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'use strict';
const db = require('../models/index')
module.exports = {
async up(queryInterface, Sequelize) {
await queryInterface.bulkInsert('UseCases', [{
name: 'Test Use Case',
measurementOptions: JSON.stringify([{
id: 0,
name: 'Test Measurement Option A',
options: [{
id: 0,
name: 'Test Measurement Option 1',
icon: 'arrow_back',
value: 1
}, {
id: 1,
name: 'Test Measurement Option 2',
icon: 'arrow_forward',
value: 2
}]
},
{
id: 1,
name: 'Test Measurement Option B',
options: [{
id: 0,
name: 'Test Measurement Option 1',
icon: 'arrow_back',
value: 1
}, {
id: 1,
name: 'Test Measurement Option 2',
icon: 'arrow_forward',
value: 2
}]
}]),
pinCode: db.UseCase.generateHash('1234'),
createdAt: new Date(),
updatedAt: new Date()
}, {
name: 'Test Use Case 2',
measurementOptions: JSON.stringify([{
id: 0,
name: 'Test Measurement Option A',
options: [{
id: 0,
name: 'Test Measurement Option 1',
icon: 'arrow_back',
value: 1
}, {
id: 1,
name: 'Test Measurement Option 2',
icon: 'arrow_forward',
value: 2
}]
},
{
id: 1,
name: 'Test Measurement Option B',
options: [{
id: 0,
name: 'Test Measurement Option 1',
icon: 'arrow_back',
value: 1
}, {
id: 1,
name: 'Test Measurement Option 2',
icon: 'arrow_forward',
value: 2
}]
}]),
pinCode: db.UseCase.generateHash('1234'),
createdAt: new Date(),
updatedAt: new Date()
}], {});
},
async down(queryInterface, Sequelize) {
queryInterface.bulkDelete('UseCases', null, {});
}
};

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version: '3.9'
services:
frontend:
build:
context: frontend
image: ghcr.io/modul-i-ch-109/counter_kand/counter_frontend:latest
ports:
- 3100:3100
- 3000:3000
environment:
BACKEND_URL: ${BACKEND_URL:-http://localhost:8080}
backend:
build:
context: backend
image: ghcr.io/modul-i-ch-109/counter_kand/counter_backend:latest
ports:
- 8080:8080
environment:
NODE_ENV: production
DB_HOST: db
DB_NAME: counter
DB_USER: postgres
DB_PASSWORD: password
PASSPHRASE: secret
depends_on:
- db
db:
image: postgres:14
ports:
- 5432:5432
environment:
POSTGRES_USER: postgres
POSTGRES_PASSWORD: password
POSTGRES_DB: counter
pgadmin:
image: dpage/pgadmin4
ports:
- 8083:80
environment:
PGADMIN_DEFAULT_EMAIL: admin@admin.com
PGADMIN_DEFAULT_PASSWORD: root
depends_on:
- db

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node_modules
npm-debug.log
Dockerfile*
docker-compose*
.dockerignore
.git
.gitignore
README.md
LICENSE
.vscode

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# -----------------------------------------------------------------------------
# Secrets are stored here.
# -----------------------------------------------------------------------------
# React Dev Port
PORT=3100
GENERATE_SOURCEMAP=false #https://stackoverflow.com/questions/36051891/esri-failed-to-parse-source-map
BACKEND_URL=http://localhost:8080
# Further details regarding the build app
REACT_APP_VERSION=1.0.0
REACT_APP_NAME=$npm_package_name

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FROM node:19-alpine
ENV npm_config_cache ./.npm-cache
RUN apk add --no-cache dos2unix envsubst
WORKDIR /srv/app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
RUN dos2unix entrypoint.sh && \
npm run build && \
chown node: build/index.html && \
chgrp -R 0 /srv/app && \
chmod -R g=u /srv/app
USER node
EXPOSE 3000
ENTRYPOINT [ "./entrypoint.sh" ]
CMD ["npm", "run", "start"]

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# Frontend
## Environment Variables
```
# React Dev Port
PORT=3000
REACT_APP_VERSION=1.0.0
REACT_APP_NAME=$npm_package_name
```
## Build Arguments
These variables need to be injected when creating a production build
```
REACT_APP_BACKEND_URL=http://localhost:8080
```
## Run the app
### Run the development environment
`npm run dev`
Runs the app in the development mode.
Open [http://localhost:3000](http://localhost:3000) to view the frontend in the browser.
The page will reload if you make edits. You will also see any lint errors in the console.
### Run the production environment
`npm start`
Runs the app in the production mode.
Open [http://localhost:3100](http://localhost:3100) to view the frontend in the browser.
### `npm run build` - only available for frontend
Builds the app for production to the `build` folder.
It correctly bundles React in production mode and optimizes the build for the best performance.
The build is minified and the filenames include the hashes. Your app is ready to be deployed!

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#!/bin/sh
set -xe
echo "$(envsubst < build/index.html)" > build/index.html
exec "$@"

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{
"name": "trafficcounter",
"version": "1.0.0",
"private": false,
"license": "GNU General Public License v3.0",
"repository": {
"type": "git",
"url": "https://github.com/modul-i-ch-109/counter"
},
"dependencies": {
"@material-ui/icons": "^4.11.3",
"@testing-library/jest-dom": "^5.16.2",
"@testing-library/react": "^12.1.3",
"@testing-library/user-event": "^14.4.3",
"final-form": "^4.20.7",
"material-table": "^1.69.3",
"moment": "^2.29.1",
"react": "^17.0.2",
"react-dom": "^17.0.2",
"react-final-form": "^6.5.9",
"react-router-dom": "^6.4.3",
"react-scripts": "5.0.1",
"react-select": "^5.6.1",
"serve": "^14.1.1"
},
"scripts": {
"start": "npx serve -s build -l 3000",
"dev": "npx react-scripts start",
"build": "npx react-scripts build",
"test": "npx react-scripts test --watchAll=false",
"eject": "npx react-scripts eject",
"lint": "npx eslint --fix --ext .js,.ts,.tsx .",
"prettier": "npx prettier --ignore-path build --write \"**/*.+(js|json|ts|tsx)\""
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%PUBLIC_URL%/favicon.png" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#000000" />
<meta name="description" content="App for counting objects on a street" />
<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
<!--
manifest.json provides metadata used when your web app is installed on a
user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-->
<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
Only files inside the `public` folder can be referenced from the HTML.
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<!-- Include google font so that icons of Material Design are supported -->
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons" />
<script>
window.env = {
BACKEND_URL: '${BACKEND_URL}',
};
</script>
<title>Counter</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
<div id="root"></div>
<!--
This HTML file is a template.
If you open it directly in the browser, you will see an empty page.
You can add webfonts, meta tags, or analytics to this file.
The build step will place the bundled scripts into the <body> tag.
To begin the development, run `npm start` or `yarn start`.
To create a production bundle, use `npm run build` or `yarn build`.
-->
</body>
</html>

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{
"short_name": "Counter",
"name": "Counter",
"icons": [
{
"src": "favicon.ico",
"sizes": "64x64 32x32 24x24 16x16",
"type": "image/x-icon"
}
],
"start_url": ".",
"display": "standalone",
"theme_color": "#000000",
"background_color": "#ffffff"
}

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# https://www.robotstxt.org/robotstxt.html
User-agent: *
Disallow:

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import React, { Fragment } from 'react';
import { Route, Routes } from 'react-router-dom';
import {
CssBaseline,
withStyles,
} from '@material-ui/core';
import AppHeader from './appHeader';
import UseCaseManager from '../pages/useCaseManager';
import UseCaseMeasurement from '../pages/useCaseMeasurement';
import MeasurementView from '../pages/measurementView';
const styles = theme => ({
main: {
padding: theme.spacing(1),
[theme.breakpoints.down('xs')]: {
padding: theme.spacing(0.5),
},
},
});
const App = ({ classes }) => (
<Fragment>
<CssBaseline />
<AppHeader />
<main className={classes.main}>
<Routes>
<Route exact path="/" element={<UseCaseManager />} />
<Route path="useCases">
<Route exact path="" element={<UseCaseManager />} />
<Route exact path=":id" element={<UseCaseManager />} />
<Route exact path=":id/measurements">
<Route exact path="" element={<UseCaseMeasurement />} />
<Route exact path="view" element={<MeasurementView />} />
</Route>
</Route>
</Routes>
</main>
</Fragment>
);
export default withStyles(styles)(App);

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import React from 'react';
import { render } from '@testing-library/react';
import App from './App';
test('renders learn react link', () => {
const { getByText } = render(<App />);
const linkElement = getByText(/learn react/i);
expect(linkElement).toBeInTheDocument();
});

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import React, { Fragment } from 'react';
import {
withStyles,
Fab,
} from '@material-ui/core';
import { Link } from 'react-router-dom';
import ListIcon from '@material-ui/icons/List';
import ShareIcon from '@material-ui/icons/Share';
import TouchAppIcon from '@material-ui/icons/TouchApp';
import UndoIcon from '@material-ui/icons/Undo';
import FullscreenIcon from '@material-ui/icons/Fullscreen';
const styles = theme => ({
disabled: {},
fabDelete: {
position: 'fixed',
top: theme.spacing(0.5),
right: theme.spacing(26.5),
zIndex: 100,
[theme.breakpoints.down('xs')]: {
right: theme.spacing(16.5),
},
},
fabCount: {
position: 'fixed',
top: theme.spacing(0.5),
right: theme.spacing(10.5),
zIndex: 100,
"&$disabled": {
backgroundColor: "#f50057",
color: "white"
},
[theme.breakpoints.down('xs')]: {
right: theme.spacing(9),
},
},
fabList: {
position: 'fixed',
top: theme.spacing(0.5),
right: theme.spacing(18.5),
zIndex: 100,
[theme.breakpoints.down('xs')]: {
visibility: "hidden"
},
},
fabShare: {
position: 'fixed',
top: theme.spacing(0.5),
right: theme.spacing(34.5),
zIndex: 100,
[theme.breakpoints.down('xs')]: {
visibility: "hidden"
},
},
fabToogle: {
position: 'fixed',
top: theme.spacing(0.5),
right: theme.spacing(42.5),
zIndex: 100,
[theme.breakpoints.down('xs')]: {
right: theme.spacing(24),
},
},
fabFullScreen: {
position: 'fixed',
top: theme.spacing(0.5),
right: theme.spacing(50.5),
zIndex: 100,
[theme.breakpoints.down('xs')]: {
right: theme.spacing(31.5),
},
},
})
function ActionItems(props) {
const { classes, toggleFullscreen, toogleIconView, shareLink, deleteLastMeasurement, measurementsCount, useCaseId } = props;
const to = "/useCases/" + useCaseId + "/measurements/view"
return (
<Fragment>
<Fab
color="secondary"
aria-label="export"
className={classes.fabFullScreen}
onClick={toggleFullscreen}
>
<FullscreenIcon />
</Fab>
<Fab
color="secondary"
aria-label="export"
className={classes.fabToogle}
onClick={toogleIconView}
>
<TouchAppIcon />
</Fab>
<Fab
color="secondary"
aria-label="export"
className={classes.fabShare}
onClick={shareLink}
>
<ShareIcon />
</Fab>
<Fab
color="secondary"
aria-label="export"
className={classes.fabDelete}
onClick={deleteLastMeasurement}
>
<UndoIcon />
</Fab>
<Fab
color="secondary"
aria-label="edit"
disabled={true}
className={classes.fabCount}
classes={{ disabled: classes.disabled }}
>
{measurementsCount}
</Fab>
<Fab
color="secondary"
aria-label="export"
className={classes.fabList}
component={Link}
to={to}
>
<ListIcon />
</Fab>
</Fragment>
)
}
export default withStyles(styles)(ActionItems);

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import React, { useState } from 'react';
import { Link } from 'react-router-dom';
import {
AppBar,
Toolbar,
Button,
Typography,
withStyles,
} from '@material-ui/core';
import HelpOutlineIcon from '@material-ui/icons/HelpOutline';
import Help from './help'
const styles = theme => ({
headerButton: {
position: 'fixed',
top: theme.spacing(-0.5),
right: theme.spacing(),
color: '#f50057',
[theme.breakpoints.down('xs')]: {
top: theme.spacing(-1),
right: theme.spacing(0),
}
},
helpIcon: {
fontSize: '4.5em',
color: 'white',
},
toolBar: {
backgroundColor: "#ba4682",
padding: theme.spacing(1)
},
image: {
height: '40px'
}
})
function AppHeader(props) {
const { classes } = props
const [showHelp, setShowHelp] = useState(false)
const handleChange = () => {
setShowHelp(!showHelp)
}
return (
<AppBar position="static">
<Toolbar className={classes.toolBar}>
<Button color="inherit" component={Link} to="/">
<img className={classes.image} src={`${window.location.origin}/images/header.png`} alt="Header" />
<Typography variant="h6" color="inherit">
Counter
</Typography>
</Button>
<Button
onClick={handleChange}
className={classes.headerButton}
>
<HelpOutlineIcon
color="secondary"
aria-label="add"
className={classes.helpIcon}
/>
</Button>
<Help
handleChange={handleChange}
showModal={showHelp}
/>
</Toolbar>
</AppBar>
)
}
export default withStyles(styles)(AppHeader);

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module.exports = {
env: process.env.NODE_ENV,
port: process.env.port,
}

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import React from 'react';
import {
withStyles,
Snackbar,
SnackbarContent,
IconButton,
} from '@material-ui/core';
import { Error as ErrorIcon, Close as CloseIcon } from '@material-ui/icons';
const styles = theme => ({
snackbarContent: {
backgroundColor: theme.palette.error.dark,
},
message: {
display: 'flex',
alignItems: 'center',
},
icon: {
fontSize: 20,
},
iconVariant: {
opacity: 0.9,
marginRight: theme.spacing(1),
},
});
const ErrorSnackbar = ({ id, message, onClose, classes }) => (
<Snackbar
open
autoHideDuration={10000}
onClose={onClose}
>
<SnackbarContent
className={`${classes.margin} ${classes.snackbarContent}`}
aria-describedby={id}
message={
<span id={id} className={classes.message}>
<ErrorIcon className={`${classes.icon} ${classes.iconVariant}`} />
{message}
</span>
}
action={[
<IconButton key="close" aria-label="Close" color="inherit" onClick={onClose}>
<CloseIcon className={classes.icon} />
</IconButton>
]}
/>
</Snackbar>
);
export default withStyles(styles)(ErrorSnackbar);

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import React, { Fragment, useEffect, useState } from 'react';
import {
withStyles,
Card,
CardContent,
CardActions,
Modal,
Button,
Typography,
} from '@material-ui/core';
import ClearIcon from '@material-ui/icons/Clear';
const styles = theme => ({
modal: {
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
},
modalCard: {
width: '90%',
maxWidth: 600,
},
modalCardContent: {
display: 'flex',
flexDirection: 'column',
},
marginTop: {
marginTop: theme.spacing(5),
},
textCenter: {
margin: 'auto'
},
images: {
width: '100%'
},
links: {
textDecoration: 'none',
color: 'black'
},
header: {
marginTop: theme.spacing(2)
}
});
function Help(props) {
const { classes } = props;
const APP_VERSION = process.env.REACT_APP_VERSION
const [showModal, setShowModal] = useState(false);
useEffect(() => {
if (showModal !== props.showModal) {
setShowModal(props.showModal);
}
}, [props.showModal, showModal]);
const handleChange = () => {
let parentHandler = props.handleChange
setShowModal(!showModal);
parentHandler()
}
return (
<Fragment>
{showModal && (
<Modal
className={classes.modal}
onClose={handleChange}
open
>
<Card className={`${classes.modalCard} ${classes.marginTop}`}>
<CardContent className={classes.modalCardContent}>
<Typography variant="h6">About the app</Typography>
<Typography> Provides a simple and easy to use interface for creating custimized measurements. </Typography>
<Typography>Measurments are grouped within a use case. For a use case the counting buttons can be defined.</Typography>
<Typography> When clicking on a button the timestamp and bottom value is stored. The stored values can be easily exported.</Typography>
<Typography>App version: {APP_VERSION}</Typography>
<Typography variant="h6" className={classes.header}>Disclaimer</Typography>
<Typography>This counter tool is provided as is, and no support will be given. Querying a large amount of data within a very short time, for example by automated means, is prohibited. The developers and any other person be liable to any person for any damage or loss that may arise from the use of this couter tool. Please be aware that the use of this counter tool will be deemed as agreeing to the terms of these conditions.</Typography>
</CardContent>
<CardActions>
<Button size="small" onClick={handleChange}><ClearIcon />Close</Button>
</CardActions>
</Card>
</Modal>
)}
</Fragment>
)
}
export default withStyles(styles)(Help);

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import React from 'react';
import {
withStyles,
Snackbar,
SnackbarContent,
IconButton,
} from '@material-ui/core';
import { Check as CheckIcon, Close as CloseIcon } from '@material-ui/icons';
const styles = theme => ({
snackbarContent: {
backgroundColor: theme.palette.success.dark,
},
message: {
display: 'flex',
alignItems: 'center',
},
icon: {
fontSize: 20,
},
iconVariant: {
opacity: 0.9,
marginRight: theme.spacing(1),
},
});
const AUTO_HIDE_DURATION = 10000
const InfoSnackbar = ({ id, message, onClose, classes }) => (
<Snackbar
open
autoHideDuration={AUTO_HIDE_DURATION}
onClose={onClose}
>
<SnackbarContent
className={`${classes.margin} ${classes.snackbarContent}`}
aria-describedby={id}
message={
<span id={id} className={classes.message}>
<CheckIcon className={`${classes.icon} ${classes.iconVariant}`} />
{message}
</span>
}
action={[
<IconButton key="close" aria-label="Close" color="inherit" onClick={onClose}>
<CloseIcon className={classes.icon} />
</IconButton>
]}
/>
</Snackbar>
);
export default withStyles(styles)(InfoSnackbar);

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import React from 'react';
import {
withStyles,
CircularProgress
} from '@material-ui/core';
const styles = theme => ({
loadingBar: {
fontSize: 100,
position: 'fixed',
top: "10vh",
marginLeft: '50%'
}
});
const LoadingBar = ({ classes }) => (
<div className={classes.root}>
<CircularProgress className={classes.loadingBar} size={100} />
</div>
);
export default withStyles(styles)(LoadingBar);

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import React, { useEffect, useState } from 'react';
import {
withStyles,
Button,
Icon
} from '@material-ui/core';
const styles = theme => ({
button: props => ({
width: '100%',
display: 'flex',
justifyContent: 'center',
alignItems: 'center',
minHeight: '10vh',
overflow: "hidden",
wordBreak: 'break-all',
}),
});
function MeasurementButton(props) {
const { classes, displayText } = props;
const [groupName, setGroupName] = useState("");
const [buttonValue, setButtonValue] = useState("");
const [icon, setIcon] = useState("");
useEffect(() => {
setGroupName(props.groupName);
setButtonValue(props.buttonValue);
setIcon(props.icon);
}, [props.groupName, props.buttonValue, props.icon]);
const handleButtonPress = () => {
const { onClick } = props
onClick(groupName, buttonValue)
}
return (
<Button variant="outlined"
color="primary"
className={classes.button}
onClick={handleButtonPress}
>
{ /* display text only if user wants that */}
{displayText && (
buttonValue
)}
<br />
{icon && (
<Icon>{icon}</Icon>
)}
</Button>
)
}
export default withStyles(styles)(MeasurementButton);

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import React, { useEffect, useState } from 'react';
import {
TextField,
withStyles,
Button,
InputLabel,
MenuItem,
Select
} from '@material-ui/core';
import AddIcon from '@material-ui/icons/Add';
import Icon from '@material-ui/core/Icon';
import DeleteIcon from '@material-ui/icons/Delete';
const styles = theme => ({
iconLabel: {
display: "inline"
},
options: {
marginTop: theme.spacing(1.5)
}
});
// Definition of Icons which can be used for buttons
// source https://material.io/resources/icons/?icon=arrow_downward&style=baseline
const ICONS = ["", "arrow_back", "arrow_forward", "arrow_upward", "arrow_downward",
"swap_horiz", "swap_vert", "accessible", "commute", "flight_land",
"flight_takeoff", "work", "login", "logout", "pedal_bike", "directions_walk",
"directions_car", "directions_bus", "directions_railway", "tram", "electric_bike",
"electric_car", "local_taxi", "electric_scooter", "two_wheeler", "north_east", "north_west",
"south_east", "south_west", "child_friendly", "elderly", "skateboarding"]
function MeasurementOptions(props) {
const { classes } = props;
const [options, setOptions] = useState([]);
const [name, setName] = useState("");
const [id, setId] = useState(0);
useEffect(() => {
setOptions(props.options);
setName(props.name);
setId(props.id);
}, [props.options, props.name, props.id]);
// updates the measurement option on the given index with the given event value
const handleMeasurementOptionChange = idx => evt => {
const { handleOptionChange } = props
const newOptions = options.map((option, sidx) => {
if (idx !== sidx) return option
// check which information has been updated, either option name or option icon
if (evt.target.name === "optionName") {
return { name: evt.target.value, icon: option.icon }
} else {
return { name: option.name, icon: evt.target.value }
}
});
setOptions(newOptions);
// execute parent function in usecaseEditor
handleOptionChange(id, newOptions);
};
// add measurement option
const handleAddMeasurementOption = () => {
setOptions(options.concat([{ name: "", icon: "" }]));
};
// remove measurement option
const handleRemoveMeasurementOption = idx => () => {
const { handleOptionChange } = props
let tempOptions = options.filter((s, sidx) => idx !== sidx)
setOptions(tempOptions);
// update parent state
handleOptionChange(id, tempOptions)
}
return (
<div>
{options.map((option, idx) => (
<div className={classes.options} key={`div-${idx + 1}`}>
<TextField
required
key={idx + 1}
name="optionName"
type="text"
label="Option name"
placeholder={`Option #${idx + 1} name`}
value={option.name}
onChange={handleMeasurementOptionChange(idx)}
variant="outlined"
size="small"
/>
<InputLabel id="labelIconOption" className={classes.iconLabel}>Icon</InputLabel>
<Select
labelId="labelIconOption"
name="optionIcon"
id="optionIcon"
value={option.icon}
onChange={handleMeasurementOptionChange(idx)}
>
{
ICONS.map((icon, i) => (
<MenuItem key={i} value={icon}>
{<Icon>{icon}</Icon>}
</MenuItem>
))
}
</Select>
<Button
size="small"
color="primary"
type="button"
onClick={handleRemoveMeasurementOption(idx)}
>
<DeleteIcon /> Remove Option
</Button>
<Button
size="small"
color="primary"
type="button"
onClick={handleAddMeasurementOption}
>
<AddIcon /> Add Option
</Button>
</div>
))}
</div>
)
}
export default withStyles(styles)(MeasurementOptions);

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import React, { useEffect, useState } from 'react';
import {
TextField,
withStyles,
Card,
CardContent,
CardActions,
Modal,
Button,
Typography,
FormGroup
} from '@material-ui/core';
import DeleteIcon from '@material-ui/icons/Delete';
import AddIcon from '@material-ui/icons/Add';
import SaveAltIcon from '@material-ui/icons/SaveAlt';
import ClearIcon from '@material-ui/icons/Clear';
import FileCopyIcon from '@material-ui/icons/FileCopy';
import './utensils'
import MeasurementOptions from './measurementOptions'
import { deepCopy } from './utensils';
const styles = theme => ({
modal: {
display: 'flex',
outline: 0,
alignItems: 'center',
justifyContent: 'center',
},
modalCard: {
width: '100%',
maxWidth: 800,
maxHeight: "100%",
overflow: "scroll"
},
modalCardContent: {
display: 'flex',
flexDirection: 'column',
},
marginTop: {
marginTop: theme.spacing(2),
},
formGroup: {
border: 'solid',
borderWidth: '1px',
padding: theme.spacing(1)
},
inputField: {
marginTop: theme.spacing(1)
}
});
function UseCaseditor(props) {
const { classes, useCase, useCaseEditorMode, errorMessage, onSave, onClose } = props;
const [id, setId] = useState(0);
const [name, setName] = useState("");
const [pinCode, setPinCode] = useState("");
const [measurementOptions, setMeasurementOptions] = useState([]);
useEffect(() => {
if (useCaseEditorMode === "edit") {
setId(useCase.id);
setName(useCase.name);
setMeasurementOptions(useCase.measurementOptions);
} else if (useCaseEditorMode === "copy") {
let newUseCase = deepCopy(useCase)
newUseCase.name = newUseCase.name + " (Copy)"
setId(null);
setName("Copy " + newUseCase.name);
setMeasurementOptions(newUseCase.measurementOptions);
}
}, [useCase, useCaseEditorMode]);
// called by child MeasurementOptions when change of input
const handleOptionChange = function (groupIndex, options) {
let tmpOptions = measurementOptions
tmpOptions[groupIndex].options = options
setMeasurementOptions(tmpOptions)
}
// function handling submit of form
const handleSubmit = evt => {
evt.preventDefault();
// execute parent function in useCaseManager
onSave(id, name, pinCode, measurementOptions)
};
const handleOptionGroupName = (index, event) => {
let tempMeasurementOptions = deepCopy(measurementOptions)
tempMeasurementOptions[index].name = event.target.value
setMeasurementOptions(tempMeasurementOptions)
}
const handleChange = (evt) => {
const target = evt.target
const name = target.name
let value = target.value
switch (name) {
case "name":
setName(value)
break
case "pinCode":
setPinCode(value)
break
default:
break
}
}
const handleAddOptionGroup = () => {
let idx = measurementOptions.length
setMeasurementOptions(measurementOptions.concat([{ id: idx, name: "", options: [{ name: "", icon: "" }] }]))
};
const handleRemoveOptionGroup = idx => () => {
setMeasurementOptions(measurementOptions.filter((s, sidx) => idx !== sidx));
};
const handleCopyOptionGroup = idx => () => {
let tempMeasurementOptions = measurementOptions
let newMeasurementOption = { ...tempMeasurementOptions[idx] }
newMeasurementOption.id = tempMeasurementOptions.length
tempMeasurementOptions.insert(idx, newMeasurementOption)
setMeasurementOptions(tempMeasurementOptions)
}
return (
<Modal
className={classes.modal}
onClose={() => onClose()}
open
>
<Card className={classes.modalCard}>
<form onSubmit={handleSubmit}>
<CardContent className={classes.modalCardContent}>
<TextField
required
type="text"
name="name"
key="inputUseCase"
placeholder="Use Case Name"
label="Use Case Name"
value={name}
onChange={handleChange}
variant="outlined"
size="small"
autoFocus
/>
<TextField
required
type="text"
key="inputUseCasePinCode"
name="pinCode"
placeholder="Use Case Pin Code"
label="Use Case Pin Code"
className={classes.inputField}
value={pinCode}
onChange={handleChange}
error={errorMessage}
variant="outlined"
size="small"
/>
<Typography variant="subtitle1" >Measurement Options</Typography>
{measurementOptions && measurementOptions.length > 0 && measurementOptions.map(function (element, index) {
return (
<FormGroup key={`formgroup-${index}`} className={classes.formGroup}>
<TextField
required
type="text"
key={`input-optionGroup-${index}`}
placeholder="Option group name"
label="Option group name"
value={element.name}
onChange={(evt) => handleOptionGroupName(index, evt)}
variant="outlined"
size="small"
/>
<div>
<MeasurementOptions
id={index}
name={element.name}
options={element.options}
handleOptionChange={handleOptionChange}
/>
<Button
size="small"
color="primary"
className={classes.button}
onClick={handleRemoveOptionGroup(index)}
>
<DeleteIcon />Remove Option Group
</Button>
<Button
size="small"
color="primary"
className={classes.button}
onClick={handleCopyOptionGroup(index)}
>
<FileCopyIcon />Copy Option Group
</Button>
</div>
</FormGroup>
)
})}
</CardContent>
<CardActions>
<Button size="small" color="primary" type="submit"><SaveAltIcon />Save</Button>
<Button size="small" color="primary" onClick={handleAddOptionGroup}><AddIcon />Add Option Group</Button>
<Button size="small" onClick={onClose}><ClearIcon />Cancel</Button>
</CardActions>
</form>
</Card>
</Modal>
);
}
export default withStyles(styles)(UseCaseditor);

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// function which allows to insert object at at given index
// eslint-disable-next-line
Array.prototype.insert = function (index, item) {
this.splice(index, 0, item);
};
export function deepCopy(obj) {
return JSON.parse(JSON.stringify(obj));
}

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import React from 'react';
import ReactDOM from 'react-dom';
import { BrowserRouter } from 'react-router-dom';
import App from './components/App';
import * as serviceWorker from './serviceWorker';
ReactDOM.render(
<BrowserRouter>
<App />
</BrowserRouter>,
document.getElementById('root')
);
// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
// Learn more about service workers: https://bit.ly/CRA-PWA
serviceWorker.unregister();
// enable hotswapping of modules
if (module.hot) module.hot.accept();

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import React, { useState, Fragment, forwardRef, useEffect } from 'react';
import {
withStyles,
Typography,
} from '@material-ui/core';
import { useParams } from 'react-router-dom';
// icons for material table
import AddBox from '@material-ui/icons/AddBox';
import ArrowDownward from '@material-ui/icons/ArrowDownward';
import Check from '@material-ui/icons/Check';
import ChevronLeft from '@material-ui/icons/ChevronLeft';
import ChevronRight from '@material-ui/icons/ChevronRight';
import Clear from '@material-ui/icons/Clear';
import DeleteOutline from '@material-ui/icons/DeleteOutline';
import Edit from '@material-ui/icons/Edit';
import FilterList from '@material-ui/icons/FilterList';
import FirstPage from '@material-ui/icons/FirstPage';
import LastPage from '@material-ui/icons/LastPage';
import Remove from '@material-ui/icons/Remove';
import SaveAlt from '@material-ui/icons/SaveAlt';
import Search from '@material-ui/icons/Search';
import ViewColumn from '@material-ui/icons/ViewColumn';
import MaterialTable from 'material-table'
import ErrorSnackbar from '../components/errorSnackbar';
import LoadingBar from '../components/loadingBar'
const API = window.env.BACKEND_URL;
// definition used for material table
const tableIcons = {
Add: forwardRef((props, ref) => <AddBox {...props} ref={ref} />),
Check: forwardRef((props, ref) => <Check {...props} ref={ref} />),
Clear: forwardRef((props, ref) => <Clear {...props} ref={ref} />),
Delete: forwardRef((props, ref) => <DeleteOutline {...props} ref={ref} />),
DetailPanel: forwardRef((props, ref) => <ChevronRight {...props} ref={ref} />),
Edit: forwardRef((props, ref) => <Edit {...props} ref={ref} />),
Export: forwardRef((props, ref) => <SaveAlt {...props} ref={ref} />),
Filter: forwardRef((props, ref) => <FilterList {...props} ref={ref} />),
FirstPage: forwardRef((props, ref) => <FirstPage {...props} ref={ref} />),
LastPage: forwardRef((props, ref) => <LastPage {...props} ref={ref} />),
NextPage: forwardRef((props, ref) => <ChevronRight {...props} ref={ref} />),
PreviousPage: forwardRef((props, ref) => <ChevronLeft {...props} ref={ref} />),
ResetSearch: forwardRef((props, ref) => <Clear {...props} ref={ref} />),
Search: forwardRef((props, ref) => <Search {...props} ref={ref} />),
SortArrow: forwardRef((props, ref) => <ArrowDownward {...props} ref={ref} />),
ThirdStateCheck: forwardRef((props, ref) => <Remove {...props} ref={ref} />),
ViewColumn: forwardRef((props, ref) => <ViewColumn {...props} ref={ref} />)
};
const styles = theme => ({
});
const getDateTime = () => {
const today = new Date();
const date = today.getFullYear() + '-' + (today.getMonth() + 1) + '-' + today.getDate();
const time = today.getHours() + "-" + today.getMinutes() + "-" + today.getSeconds();
return date + '_' + time;
}
function MeasurementView(props) {
const { id } = useParams();
const [useCase, setUseCase] = useState("");
const [measurements, setMeasurements] = useState([]);
const [tableOutput, setTableOutput] = useState([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState(null);
const title = "List measurements for " + useCase.name // define title of website
const exportFileName = "list_measurements_" + useCase.name + "_" + getDateTime() // define export file name
useEffect(() => {
getMeasurements();
}, [id]);
const custom_fetch = async (method, endpoint, body) => {
setLoading(true);
try {
const response = await fetch(`${API}/api${endpoint}`, {
method,
body: body && JSON.stringify(body),
headers: {
'content-type': 'application/json',
accept: 'application/json',
},
});
setLoading(false);
if (response.ok && (response.status === 201 || response.status === 200)) {
return await response.json();
} else {
console.error(response.status)
setError({ message: "Error when communicating with backend: " + response.statusText })
throw new Error("Error communicating with backend")
}
} catch (error) {
console.error(error);
setError(error)
setLoading(false);
}
}
const getMeasurements = async () => {
const useCaseId = id
// get use case and corresponding measurements
let useCase = (await custom_fetch('get', '/usecases/' + useCaseId + "/measurements")) || []
let measurements = useCase.Measurements
let tableOutput = []
if (measurements) {
measurements.forEach(measurement => {
tableOutput.push({
useCase: useCase.name,
groupName: measurement.groupName,
value: measurement.value,
timestamp: measurement.timestamp.split("+")[0]
})
})
setUseCase(useCase)
setMeasurements(tableOutput)
setTableOutput(tableOutput)
}
}
return (
<Fragment>
{measurements && measurements.length > 0 ? (
// data available, present table
<MaterialTable
icons={tableIcons}
title={title}
columns={[
{ title: 'Use case', field: 'useCase', },
{ title: 'Measurement group', field: 'groupName' },
{ title: 'Measurement value', field: 'value' },
{ title: 'Timestamp', field: 'timestamp' }
]}
data={tableOutput}
options={{
exportFileName: exportFileName,
exportButton: true,
exportAllData: true,
filtering: true,
search: false,
pageSize: 5,
pageSizeOptions: [5, 10, 20, 50],
}}
/>
) : (
// no data available
!loading && (
<Typography variant="subtitle1">So far no measurements have been recorded for use case {useCase.name}</Typography>
)
)}
{ /* Flag based display of error snackbar */}
{error && (
<ErrorSnackbar
onClose={() => setError(null)}
message={error.message}
/>
)}
{ /* Flag based display of loadingbar */}
{loading && (
<LoadingBar />
)}
</Fragment>
);
}
export default withStyles(styles)(MeasurementView);

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import React, { useEffect, useState, Fragment } from 'react';
import { Link } from 'react-router-dom';
import {
withStyles,
Typography,
Fab,
IconButton,
Paper,
List,
ListItem,
ListItemText,
ListItemSecondaryAction,
TextField
} from '@material-ui/core';
import { Delete as DeleteIcon, Create as CreateIcon, Add as AddIcon } from '@material-ui/icons';
import FileCopyIcon from '@material-ui/icons/FileCopy';
import moment from 'moment';
import { orderBy, filter } from 'lodash';
import UseCaseEditor from '../components/useCaseEditor';
import ErrorSnackbar from '../components/errorSnackbar';
import LoadingBar from '../components/loadingBar'
import InfoSnackbar from '../components/infoSnackbar'
const API = window.env.BACKEND_URL;
const styles = theme => ({
useCaseDiv: {
marginTop: theme.spacing(2),
outline: 0,
},
fab: {
position: 'absolute',
bottom: theme.spacing(3),
right: theme.spacing(3),
[theme.breakpoints.down('xs')]: {
bottom: theme.spacing(2),
right: theme.spacing(2),
}
},
serachDiv: {
marginBottom: theme.spacing(1)
},
searchInput: {
width: "100%",
}
});
function UseCaseManager(props) {
const { classes } = props;
// use case
const [query, setQuery] = useState("");
const [useCases, setUseCases] = useState([]);
const [useCasesFiltered, setUseCasesFiltered] = useState([]);
// use case editor
const [useCase, setUseCase] = useState(null);
const [useCaseEditorOpen, setUseCaseEditorOpen] = useState(false);
const [useCaseEditorMode, setUseCaseEditorMode] = useState("create");
// general
const [success, setSuccess] = useState(null);
const [error, setError] = useState(null);
const [loading, setLoading] = useState(false);
useEffect(() => {
getUseCases();
}, []);
useEffect(() => {
let filteredObjects = filter(useCases, function (obj) {
return obj.name.toUpperCase().includes(query.toUpperCase());
})
setUseCasesFiltered(filteredObjects);
}, [query, useCases]);
const custom_fetch = async (method, endpoint, body) => {
setLoading(true);
try {
const response = await fetch(`${API}/api${endpoint}`, {
method,
body: body && JSON.stringify(body),
headers: {
'content-type': 'application/json',
accept: 'application/json',
},
});
setLoading(false);
if (response.ok && (response.status === 201 || response.status === 200)) {
return await response.json();
} else {
console.error(response.status)
setError({ message: "Error when communicating with backend: " + response.statusText })
}
} catch (error) {
console.error(error);
setError(error)
setLoading(false);
}
}
const getUseCases = () => {
custom_fetch('get', '/useCases')
.then(useCases => {
setUseCases(useCases);
})
}
const onSaveUseCase = async (id, name, pinCode, measurementOptions) => {
const postData = {
name: name,
pinCode: pinCode,
measurementOptions: measurementOptions
}
if (id) {
await custom_fetch('put', `/useCases/${id}`, postData);
} else {
await custom_fetch('post', '/useCases', postData);
}
getUseCases()
if (error === null) {
setUseCaseEditorOpen(false);
}
}
const deleteUseCase = async (useCase) => {
if (window.confirm(`Are you sure you want to delete "${useCase.name}"`)) {
// delete also all measurements
let measurements = await custom_fetch('get', `/useCases/${useCase.id}/measurements`);
custom_fetch('delete', `/useCases/${useCase.id}`);
measurements.measurementOptions.forEach(function (element) {
custom_fetch('delete', `/measurements/${element.id}`);
})
if (error === null) {
setSuccess("Use case successfully deleted")
}
getUseCases();
}
}
const handleSearchChange = evt => {
setQuery(evt.target.value);
};
const handleEditorOpen = (useCase, mode) => {
setUseCase(useCase);
setUseCaseEditorMode(mode);
setUseCaseEditorOpen(true);
};
return (
<Fragment>
<Typography variant="h4">Use Cases</Typography>
{ /* use case area */}
{useCases && useCases.length > 0 ? (
// usecases available
<Paper elevation={1} className={classes.useCaseDiv}>
<div className={classes.serachDiv}>
<TextField
required
type="text"
key="inputQuery"
placeholder="Search"
label="Search"
className={classes.searchInput}
value={query}
onChange={handleSearchChange}
variant="outlined"
size="small"
autoFocus
/>
</div>
<List>
{orderBy(useCasesFiltered, ['updatedAt', 'name'], ['desc', 'asc']).map(useCase => (
<ListItem key={useCase.id} button component={Link} to={`/useCases/${useCase.id}/measurements`}>
<ListItemText
primary={useCase.name}
secondary={useCase.updatedAt && `Updated ${moment(useCase.updatedAt).fromNow()}`}
/>
<ListItemSecondaryAction>
<IconButton component={Link} onClick={() => handleEditorOpen(useCase, "copy")} color="inherit">
<FileCopyIcon />
</IconButton>
<IconButton component={Link} onClick={() => handleEditorOpen(useCase, "edit")} color="inherit">
<CreateIcon />
</IconButton>
<IconButton onClick={() => deleteUseCase(useCase)} color="inherit">
<DeleteIcon />
</IconButton>
</ListItemSecondaryAction>
</ListItem>
))}
</List>
</Paper>
) : (
// no usecases available
!loading && (
<Typography variant="subtitle1">So far no use cases have been created</Typography>
)
)}
<Fragment>
<Fab
color="secondary"
aria-label="add"
className={classes.fab}
component={Link}
onClick={() => { handleEditorOpen(null, 'create') }}
>
<AddIcon />
</Fab>
</Fragment>
{ /* Use Case Editor */}
{useCaseEditorOpen && (
<UseCaseEditor
useCase={useCase}
useCaseEditorMode={useCaseEditorMode}
errorMessage={error}
onSave={onSaveUseCase}
onClose={() => { setUseCaseEditorOpen(false) }}
/>
)}
{ /* Flag based display of loadingbar */}
{loading && (
<LoadingBar />
)}
{ /* Flag based display of error snackbar */}
{error && (
<ErrorSnackbar
onClose={() => setError(null)}
message={error.message}
/>
)}
{ /* Flag based display of info snackbar */}
{success && (
<InfoSnackbar
onClose={() => setSuccess(null)}
message={success}
/>
)}
</Fragment>
);
}
export default withStyles(styles)(UseCaseManager);

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import React, { useState, Fragment, useEffect } from 'react';
import {
withStyles,
Typography,
Grid
} from '@material-ui/core';
import { useParams, useLocation } from 'react-router-dom';
import ActionItems from '../components/actionItems';
import ErrorSnackbar from '../components/errorSnackbar';
import MeasurementButtons from '../components/measurementButton';
import InfoSnackbar from '..//components/infoSnackbar'
const API = window.env.BACKEND_URL;
const REXECUTION_TIMEOUT = 5000 // rexecution timeout for retry of the failed fetch calls
const styles = theme => ({
root: {
flexGrow: 1,
},
title: {
position: 'absolute',
top: theme.spacing(4.5),
left: theme.spacing(13.5),
color: 'white'
},
measurementGroupTitle: {
fontSize: "5vh"
}
});
function UseCaseMeasurement(props) {
const { classes } = props;
// use case
const [useCaseId, setUseCaseId] = useState("");
const [useCaseDetails, setUseCaseDetails] = useState('');
const [measurementsCount, setMeasurementsCount] = useState(0);
const [lastMeasurementId, setLastMeasurementId] = useState("");
const [pinCode, setPinCode] = useState(null);
// general
const [displayText, setDisplayText] = useState(true);
const [success, setSuccess] = useState(null);
const [error, setError] = useState(null);
const [loading, setLoading] = useState(false);
const [connectivityIssue, setConnectivityIssue] = useState(false);
const { id } = useParams();
const location = useLocation();
useEffect(() => {
const useCaseId = id;
let body = {
pinCode: pinCode
}
body.pinCode = new URLSearchParams(location).get("pinCode")
if (!body.pinCode) {
body.pinCode = prompt("Please provide the secure pincode of this use case to access the measurement area")
}
setPinCode(body.pinCode)
// check if correct pin has been provided
custom_fetch('post', '/useCases/' + useCaseId + '/authorize', body)
.then(response => {
// if succesfully set useCase ID and load cases, otherwise show error
setUseCaseId(useCaseId);
})
.catch(error => {
setError({ message: "Wrong pinCode provide there for no access granted" })
})
}, []);
useEffect(() => {
getUseCase()
}, [useCaseId]);
const custom_fetch = async (method, endpoint, body, surpressError) => {
setLoading(true);
try {
const response = await fetch(`${API}/api${endpoint}`, {
method,
body: body && JSON.stringify(body),
headers: {
'content-type': 'application/json',
accept: 'application/json',
},
});
setLoading(false);
if (response.ok && (response.status === 201 || response.status === 200)) {
return await response.json();
} else {
setError({ message: "Error when communicating with backend: " + response.statusText })
throw new Error("Error communicating with backend")
}
} catch (error) {
// used to surpress the error notifcation
if (!surpressError) {
setError(error)
setLoading(false);
}
throw new Error(error)
}
}
// recursive extension of the fetch method
// allows to reexecute failed fetch calls until they succeded
const fetch_retry = async (method, endpoint, body) => {
let error = null
try {
return await custom_fetch(method, endpoint, body, true)
}
catch (err) {
error = err
// retry after some wait period, and update state if not already done
if (!connectivityIssue) {
setConnectivityIssue(true)
setError({ message: "Error when communicating with backend. We are continuously trying it and will inform you as soon as the connection has ben reestablished. The measurements are still being saved locally and synchronized as soon as connection is present again." })
}
await sleep(REXECUTION_TIMEOUT)
return fetch_retry(method, endpoint, body)
}
finally {
// if err
if (!error && connectivityIssue) {
setConnectivityIssue(false)
setSuccess("Connection established again. Now syncing your measurements. Check the above measurement counter.")
}
}
}
// function which sleeps some defined milliseconds
const sleep = (ms) => {
return new Promise(resolve => setTimeout(resolve, ms))
}
const getMeasurementsCount = async () => {
let measurementsCount = []
if (useCaseId) measurementsCount = await custom_fetch('get', '/useCases/' + useCaseId + '/measurements/count')
setMeasurementsCount(measurementsCount)
}
const getUseCase = async () => {
setUseCaseDetails((await custom_fetch('get', '/useCases/' + useCaseId)) || [])
getMeasurementsCount()
}
const deleteLastMeasurement = async () => {
//only allowed to delete the last measurement by themselves
if (lastMeasurementId) {
await custom_fetch("DELETE", "/measurements/" + lastMeasurementId)
getMeasurementsCount()
setLastMeasurementId("")
setSuccess("Your last measurement was successfully deleted")
} else {
setError({ message: "You can only delete your own last measurement, please execute a measurement first" })
}
}
const saveMeasurement = async (groupName, buttonValue) => {
const postData = {
"useCase": useCaseId,
"groupName": groupName,
"timestamp": Date.now(), // set measurement time in frontend
"value": buttonValue
}
// post data as long till it is successfull
await fetch_retry('post', `/measurements/`, postData)
.then(response => {
setLastMeasurementId(response.id)
getMeasurementsCount()
})
}
// copy the direct link to a use case measurement to the clipboard
// the link includes the PIN code
const shareLink = () => {
let url = window.location.href + "?pinCode=" + pinCode
navigator.clipboard.writeText(url)
setSuccess("Direct link copied to clipboard")
}
// toogle if text should be displayed or not
const toogleIconView = () => {
setDisplayText(!displayText)
}
// toogle full screen
const toggleFullscreen = () => {
let elem = document.querySelector("body");
if (!document.fullscreenElement) {
elem.requestFullscreen().catch(err => {
alert(`Error attempting to enable full-screen mode: ${err.message} (${err.name})`);
});
} else {
document.exitFullscreen();
}
}
return (
<Fragment>
<Typography className={classes.title} variant="h6">Measurements {useCaseDetails.name} </Typography>
{ /* action items */}
<ActionItems
toggleFullscreen={toggleFullscreen}
toogleIconView={toogleIconView}
shareLink={shareLink}
deleteLastMeasurement={deleteLastMeasurement}
measurementsCount={measurementsCount}
useCaseId={useCaseId}
/>
{useCaseDetails && useCaseDetails.measurementOptions && useCaseDetails.measurementOptions.length > 0 ? (
// measurements present
useCaseDetails.measurementOptions.map(function (groupElement, groupIndex, groupArray) {
// iteration for groups
let buttons = groupElement.options.map(function (optionElement, opionIndex, optionsArray) {
// iteration for buttons
return (
<Grid item xs key={opionIndex}>
<MeasurementButtons
onClick={saveMeasurement}
key={`${opionIndex}-${optionElement.name}`}
groupName={groupElement.name}
buttonValue={optionElement.name}
length={optionsArray.length}
groupLength={groupArray.length}
displayText={displayText}
icon={optionElement.icon}
/>
</Grid>
)
})
return (
<div className={classes.root} key={`${groupIndex}buttonList`}>
<Typography className={classes.measurementGroupTitle}>{groupElement.name}</Typography>
<Grid container spacing={1}>
{buttons}
</Grid>
</div>
)
})
) : (
// no measurements could be found
!loading && (
<Typography variant="subtitle1">No measurements have been taken so far</Typography>
)
)}
{ /* Flag based display of error snackbar */}
{error && (
<ErrorSnackbar
onClose={() => setError(null)}
message={error.message}
/>
)}
{ /* Flag based display of info snackbar */}
{success && (
<InfoSnackbar
onClose={() => setSuccess(null)}
message={success}
/>
)}
</Fragment>
);
}
export default withStyles(styles)(UseCaseMeasurement);

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// This optional code is used to register a service worker.
// register() is not called by default.
// This lets the app load faster on subsequent visits in production, and gives
// it offline capabilities. However, it also means that developers (and users)
// will only see deployed updates on subsequent visits to a page, after all the
// existing tabs open on the page have been closed, since previously cached
// resources are updated in the background.
// To learn more about the benefits of this model and instructions on how to
// opt-in, read https://bit.ly/CRA-PWA
const isLocalhost = Boolean(
window.location.hostname === 'localhost' ||
// [::1] is the IPv6 localhost address.
window.location.hostname === '[::1]' ||
// 127.0.0.0/8 are considered localhost for IPv4.
window.location.hostname.match(
/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
)
);
export function register(config) {
if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
// The URL constructor is available in all browsers that support SW.
const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
if (publicUrl.origin !== window.location.origin) {
// Our service worker won't work if PUBLIC_URL is on a different origin
// from what our page is served on. This might happen if a CDN is used to
// serve assets; see https://github.com/facebook/create-react-app/issues/2374
return;
}
window.addEventListener('load', () => {
const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
if (isLocalhost) {
// This is running on localhost. Let's check if a service worker still exists or not.
checkValidServiceWorker(swUrl, config);
// Add some additional logging to localhost, pointing developers to the
// service worker/PWA documentation.
navigator.serviceWorker.ready.then(() => {
console.log(
'This web app is being served cache-first by a service ' +
'worker. To learn more, visit https://bit.ly/CRA-PWA'
);
});
} else {
// Is not localhost. Just register service worker
registerValidSW(swUrl, config);
}
});
}
}
function registerValidSW(swUrl, config) {
navigator.serviceWorker
.register(swUrl)
.then(registration => {
registration.onupdatefound = () => {
const installingWorker = registration.installing;
if (installingWorker == null) {
return;
}
installingWorker.onstatechange = () => {
if (installingWorker.state === 'installed') {
if (navigator.serviceWorker.controller) {
// At this point, the updated precached content has been fetched,
// but the previous service worker will still serve the older
// content until all client tabs are closed.
console.log(
'New content is available and will be used when all ' +
'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
);
// Execute callback
if (config && config.onUpdate) {
config.onUpdate(registration);
}
} else {
// At this point, everything has been precached.
// It's the perfect time to display a
// "Content is cached for offline use." message.
console.log('Content is cached for offline use.');
// Execute callback
if (config && config.onSuccess) {
config.onSuccess(registration);
}
}
}
};
};
})
.catch(error => {
console.error('Error during service worker registration:', error);
});
}
function checkValidServiceWorker(swUrl, config) {
// Check if the service worker can be found. If it can't reload the page.
fetch(swUrl, {
headers: { 'Service-Worker': 'script' },
})
.then(response => {
// Ensure service worker exists, and that we really are getting a JS file.
const contentType = response.headers.get('content-type');
if (
response.status === 404 ||
(contentType != null && contentType.indexOf('javascript') === -1)
) {
// No service worker found. Probably a different app. Reload the page.
navigator.serviceWorker.ready.then(registration => {
registration.unregister().then(() => {
window.location.reload();
});
});
} else {
// Service worker found. Proceed as normal.
registerValidSW(swUrl, config);
}
})
.catch(() => {
console.log(
'No internet connection found. App is running in offline mode.'
);
});
}
export function unregister() {
if ('serviceWorker' in navigator) {
navigator.serviceWorker.ready
.then(registration => {
registration.unregister();
})
.catch(error => {
console.error(error.message);
});
}
}

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// jest-dom adds custom jest matchers for asserting on DOM nodes.
// allows you to do things like:
// expect(element).toHaveTextContent(/react/i)
// learn more: https://github.com/testing-library/jest-dom
import '@testing-library/jest-dom/extend-expect';

25
deploy.sh Normal file
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#!/bin/bash
GITHUB_USERNAME="your_github_username"
VERSION="v1"
if [ "$GITHUB_USERNAME" == "your_github_username" ]; then
echo "you buffoon change your github username in the file."
exit 1
fi
replace_placeholders() {
sed -i "s|ghcr.io/informaticker/zli-counter-frontend:v1|ghcr.io/${GITHUB_USERNAME}/zli-counter-frontend:${VERSION}|g" deployment/frontend.yaml
sed -i "s|ghcr.io/informaticker/zli-counter-backend:v1|ghcr.io/${GITHUB_USERNAME}/zli-counter-backend:${VERSION}|g" deployment/backend.yaml
}
docker build -t ghcr.io/${GITHUB_USERNAME}/zli-counter-backend:${VERSION} counter_kand/backend
docker build -t ghcr.io/${GITHUB_USERNAME}/zli-counter-frontend:${VERSION} counter_kand/frontend
docker push ghcr.io/${GITHUB_USERNAME}/zli-counter-backend:${VERSION}
docker push ghcr.io/${GITHUB_USERNAME}/zli-counter-frontend:${VERSION}
replace_placeholders
oc apply -f deployment/configmap.yaml
oc apply -f deployment/secrets.yaml
oc apply -f deployment/database.yaml
oc apply -f deployment/backend.yaml
oc apply -f deployment/frontend.yaml
echo "Deployment completed successfully! ^w^"

76
deployment/backend.yaml Normal file
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---
apiVersion: apps/v1
kind: Deployment
metadata:
name: counter-backend
labels:
app: counter-backend
spec:
replicas: 1
selector:
matchLabels:
app: counter-backend
template:
metadata:
labels:
app: counter-backend
spec:
containers:
- name: counter-backend
image: ghcr.io/informaticker/zli-counter-backend:v1
ports:
- containerPort: 8080
env:
- name: DB_USER
valueFrom:
secretKeyRef:
name: counter-database
key: database-user
- name: DB_NAME
valueFrom:
secretKeyRef:
name: counter-database
key: database-name
- name: DB_PASSWORD
valueFrom:
secretKeyRef:
name: counter-database
key: database-password
- name: DB_HOST
valueFrom:
configMapKeyRef:
name: counter-config
key: DB_HOST
- name: PASSPHRASE
valueFrom:
secretKeyRef:
name: counter-secret
key: PASSPHRASE
- name: npm_config_cache
value: ./.npm-cache
---
apiVersion: v1
kind: Service
metadata:
name: counter-backend
spec:
selector:
app: counter-backend
ports:
- protocol: TCP
port: 8080
targetPort: 8080
---
apiVersion: route.openshift.io/v1
kind: Route
metadata:
name: counter-backend
spec:
to:
kind: Service
name: counter-backend
tls:
termination: edge
insecureEdgeTerminationPolicy: Redirect

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---
apiVersion: v1
kind: ConfigMap
metadata:
name: counter-config
data:
DB_HOST: counter-database
BACKEND_URL: https://counter-backend-computerficker-dev.apps.sandbox-m3.1530.p1.openshiftapps.com

50
deployment/database.yaml Normal file
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---
kind: Deployment
apiVersion: apps/v1
metadata:
name: counter-database
spec:
replicas: 1
selector:
matchLabels:
app: counter-database
template:
metadata:
labels:
app: counter-database
spec:
containers:
- name: counter-database
image: quay.io/centos7/postgresql-10-centos7:20221109
imagePullPolicy: Always
ports:
- containerPort: 5432
env:
- name: POSTGRESQL_USER
valueFrom:
secretKeyRef:
name: counter-database
key: database-user
- name: POSTGRESQL_PASSWORD
valueFrom:
secretKeyRef:
name: counter-database
key: database-password
- name: POSTGRESQL_DATABASE
valueFrom:
secretKeyRef:
name: counter-database
key: database-name
---
apiVersion: v1
kind: Service
metadata:
name: counter-database
spec:
selector:
app: counter-database
ports:
- protocol: TCP
port: 5432
targetPort: 5432

57
deployment/frontend.yaml Normal file
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---
apiVersion: apps/v1
kind: Deployment
metadata:
name: counter-frontend
labels:
app: counter-frontend
spec:
replicas: 1
selector:
matchLabels:
app: counter-frontend
template:
metadata:
labels:
app: counter-frontend
spec:
containers:
- name: counter-frontend
image: ghcr.io/informaticker/zli-counter-frontend:v1
ports:
- containerPort: 3000
env:
- name: BACKEND_URL
valueFrom:
configMapKeyRef:
name: counter-config
key: BACKEND_URL
- name: npm_config_cache
value: ./.npm-cache
---
apiVersion: v1
kind: Service
metadata:
name: counter-frontend
spec:
selector:
app: counter-frontend
ports:
- protocol: TCP
port: 3000
targetPort: 3000
---
apiVersion: route.openshift.io/v1
kind: Route
metadata:
name: counter-frontend
spec:
to:
kind: Service
name: counter-frontend
tls:
termination: edge
insecureEdgeTerminationPolicy: Redirect

18
deployment/secrets.yaml Normal file
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---
apiVersion: v1
kind: Secret
metadata:
name: counter-database
type: Opaque
stringData:
database-name: counter_db
database-user: counter_user
database-password: counter_password_bPqNMg33
---
apiVersion: v1
kind: Secret
metadata:
name: counter-secret
type: Opaque
stringData:
PASSPHRASE: supersecurephrase