invoicer initial version

Change-Id: Ib20a96c224f5c055874f72f8f9a04a4dc8bbbc24
2025-03-21 06:44:53 +00:00 · 2023-10-05 00:05:32 +02:00 · 2023-10-05 00:05:32 +02:00 · bdf2defc07
commit bdf2defc07
parent 2b27fa6a37
38 changed files with 20472 additions and 0 deletions
--- a/personal/arsenicum/invoicer/.gitignore
+++ b/personal/arsenicum/invoicer/.gitignore
@ -0,0 +1,109 @@
+out/
+.terraform
+# User-specific stuff:
+.idea
+*.iml
+*id_rsa*
+md5-file
+# Gradle:
+.idea/gradle.xml
+.idea/libraries
+
+# Mongo Explorer plugin:
+.idea/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+### Intellij Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+
+### Java ###
+*.class
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+
+### Gradle ###
+.gradle
+/build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties
+
+# End of https://www.gitignore.io/api/java,intellij,gradle
+
+.gradle/
+.idea/
+id-core.iml
+**/*.iml
+build/
+/.settings/
+/.classpath
+/.DS_Store
+/.project
+classes/
+/output/
+dump.rdb
+/libs
+*.DS_Store
+
+bin/
+.vscode
+
+application-scratch.yml
+
+api-doc/*0.yml
+
+*.generated*
+
+ignite/
+
+# Helm Charts
+/helm/*/charts/
+/helm/*/requirements.lock
+/helm/*/Chart.lock
--- a/personal/arsenicum/invoicer/frontend/.gitignore
+++ b/personal/arsenicum/invoicer/frontend/.gitignore
@ -0,0 +1,13 @@
+# binaries
+bin/
+dist/
+lib/
+
+# editors
+*.swp
+.idea/
+.vs/
+.vscode/
+.DS_Store
+
+node_modules
--- a/personal/arsenicum/invoicer/frontend/package-lock.json
+++ b/personal/arsenicum/invoicer/frontend/package-lock.json
--- a/personal/arsenicum/invoicer/frontend/package.json
+++ b/personal/arsenicum/invoicer/frontend/package.json
@ -0,0 +1,53 @@
+{
+  "name": "frontend",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/jest-dom": "^5.11.10",
+    "@testing-library/react": "^11.2.5",
+    "@testing-library/user-event": "^12.8.3",
+    "@testing-library/dom": "^7.21.4",
+    "@types/webpack": "^5.28.0",
+    "sockjs-client": "^1.4.0",
+    "type-fest": "^0.13.1",
+    "webpack-hot-middleware": "^2.25.1",
+    "webpack-plugin-serve": "^1.5.0",
+    "bootstrap": "^5.1",
+    "react": "^17.0.2",
+    "react-cookie": "^4.1.1",
+    "react-dom": "^17.0.2",
+    "react-router-dom": "^5.3.0",
+    "react-scripts": "5.0.1",
+    "reactstrap": "^8.10.0",
+    "web-vitals": "^1.1.1",
+    "@mui/material": "^5.14.10",
+    "@emotion/react": "^11.11.1",
+    "@emotion/styled": "^11.11.0",
+    "file-saver": "^2.0.5"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "proxy": "http://localhost:8080",
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}
--- a/personal/arsenicum/invoicer/frontend/public/favicon.ico
+++ b/personal/arsenicum/invoicer/frontend/public/favicon.ico
--- a/personal/arsenicum/invoicer/frontend/public/index.html
+++ b/personal/arsenicum/invoicer/frontend/public/index.html
@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <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" />
+    <link rel="preconnect" href="https://fonts.googleapis.com" />
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;600;700&display=swap" />
+    <meta name="viewport" content="initial-scale=1, width=device-width" />
+
+    <title>Invoicer</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+  </body>
+</html>
--- a/personal/arsenicum/invoicer/frontend/public/logo192.png
+++ b/personal/arsenicum/invoicer/frontend/public/logo192.png
--- a/personal/arsenicum/invoicer/frontend/public/logo512.png
+++ b/personal/arsenicum/invoicer/frontend/public/logo512.png
--- a/personal/arsenicum/invoicer/frontend/public/manifest.json
+++ b/personal/arsenicum/invoicer/frontend/public/manifest.json
@ -0,0 +1,25 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}
--- a/personal/arsenicum/invoicer/frontend/public/robots.txt
+++ b/personal/arsenicum/invoicer/frontend/public/robots.txt
@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:
--- a/personal/arsenicum/invoicer/frontend/src/App.css
+++ b/personal/arsenicum/invoicer/frontend/src/App.css
@ -0,0 +1,42 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+  pointer-events: none;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+.container, .container-fluid {
+  margin-top: 20px;
+}
--- a/personal/arsenicum/invoicer/frontend/src/App.js
+++ b/personal/arsenicum/invoicer/frontend/src/App.js
@ -0,0 +1,34 @@
+import React, { Component } from 'react';
+import Container from '@mui/material/Container';
+import Typography from '@mui/material/Typography';
+import Box from '@mui/material/Box';
+import './App.css';
+import Home from './Home';
+import { BrowserRouter as Router, Route, Switch } from 'react-router-dom';
+import ClientList from './ClientList';
+import InvoiceList from './InvoiceList';
+import ClientEdit from "./ClientEdit";
+
+class App extends Component {
+  render() {
+    return (
+    <Container maxWidth="sm">
+          <Box sx={{ my: 4 }}>
+            <Typography variant="h4" component="h1" gutterBottom>
+              Invoicer App
+            </Typography>
+            <Router>
+              <Switch>
+                <Route path='/' exact={true} component={Home}/>
+                <Route path='/invoices' exact={true} component={InvoiceList}/>
+                <Route path='/clients' exact={true} component={ClientList}/>
+                <Route path='/clients/:id' component={ClientEdit}/>
+              </Switch>
+            </Router>
+            </Box>
+        </Container>
+    )
+  }
+}
+
+export default App;
--- a/personal/arsenicum/invoicer/frontend/src/App.test.js
+++ b/personal/arsenicum/invoicer/frontend/src/App.test.js
@ -0,0 +1,8 @@
+import { render, screen } from '@testing-library/react';
+import App from './App';
+
+test('renders learn react link', () => {
+  render(<App />);
+  const linkElement = screen.getByText(/Clients/i);
+  expect(linkElement).toBeInTheDocument();
+});
--- a/personal/arsenicum/invoicer/frontend/src/AppNavbar.js
+++ b/personal/arsenicum/invoicer/frontend/src/AppNavbar.js
@ -0,0 +1,23 @@
+import React, {Component} from 'react';
+import {Navbar, NavbarBrand} from 'reactstrap';
+import {Link} from 'react-router-dom';
+
+export default class AppNavbar extends Component {
+    constructor(props) {
+        super(props);
+        this.state = {isOpen: false};
+        this.toggle = this.toggle.bind(this);
+    }
+
+    toggle() {
+        this.setState({
+            isOpen: !this.state.isOpen
+        });
+    }
+
+    render() {
+        return <Navbar color="dark" dark expand="md">
+            <NavbarBrand tag={Link} to="/">Home</NavbarBrand>
+        </Navbar>;
+    }
+}
--- a/personal/arsenicum/invoicer/frontend/src/ClientEdit.js
+++ b/personal/arsenicum/invoicer/frontend/src/ClientEdit.js
@ -0,0 +1,82 @@
+import React, { Component } from 'react';
+import { Link, withRouter } from 'react-router-dom';
+import { Button, Container, Form, FormGroup, Input, Label } from 'reactstrap';
+import AppNavbar from './AppNavbar';
+
+class ClientEdit extends Component {
+
+    emptyItem = {
+        name: '',
+        email: ''
+    };
+
+    constructor(props) {
+        super(props);
+        this.state = {
+            item: this.emptyItem
+        };
+        this.handleChange = this.handleChange.bind(this);
+        this.handleSubmit = this.handleSubmit.bind(this);
+    }
+
+    async componentDidMount() {
+        if (this.props.match.params.id !== 'new') {
+            const client = await (await fetch(`/clients/${this.props.match.params.id}`)).json();
+            this.setState({item: client});
+        }
+    }
+
+    handleChange(event) {
+        const target = event.target;
+        const value = target.value;
+        const name = target.name;
+        let item = {...this.state.item};
+        item[name] = value;
+        this.setState({item});
+    }
+
+async handleSubmit(event) {
+    event.preventDefault();
+    const {item} = this.state;
+
+    await fetch('/clients' + (item.id ? '/' + item.id : ''), {
+        method: (item.id) ? 'PUT' : 'POST',
+        headers: {
+            'Accept': 'application/json',
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify(item),
+    });
+    this.props.history.push('/clients');
+}
+
+    render() {
+        const {item} = this.state;
+        const title = <h2>{item.id ? 'Edit Client' : 'Add Client'}</h2>;
+
+        return <div>
+            <AppNavbar/>
+            <Container>
+                {title}
+                <Form onSubmit={this.handleSubmit}>
+                    <FormGroup>
+                        <Label for="name">Name</Label>
+                        <Input type="text" name="name" id="name" value={item.name || ''}
+                               onChange={this.handleChange} autoComplete="name"/>
+                    </FormGroup>
+                    <FormGroup>
+                        <Label for="email">Email</Label>
+                        <Input type="text" name="email" id="email" value={item.email || ''}
+                               onChange={this.handleChange} autoComplete="email"/>
+                    </FormGroup>
+                    <FormGroup>
+                        <Button color="primary" type="submit">Save</Button>{' '}
+                        <Button color="secondary" tag={Link} to="/clients">Cancel</Button>
+                    </FormGroup>
+                </Form>
+            </Container>
+        </div>
+    }
+}
+
+export default withRouter(ClientEdit);
--- a/personal/arsenicum/invoicer/frontend/src/ClientList.js
+++ b/personal/arsenicum/invoicer/frontend/src/ClientList.js
@ -0,0 +1,99 @@
+import React, {Component} from 'react';
+import {Button, ButtonGroup, Container, Table} from 'reactstrap';
+import AppNavbar from './AppNavbar';
+import {Link} from 'react-router-dom';
+import {saveAs} from 'file-saver';
+
+class ClientList extends Component {
+
+    constructor(props) {
+        super(props);
+        this.state = {clients: []};
+        this.remove = this.remove.bind(this);
+    }
+
+    componentDidMount() {
+        fetch('/clients')
+            .then(response => response.json())
+            .then(data => this.setState({clients: data}));
+    }
+
+    async remove(id) {
+        await fetch(`/clients/${id}`, {
+            method: 'DELETE',
+            headers: {
+                'Accept': 'application/json',
+                'Content-Type': 'application/json'
+            }
+        }).then(() => {
+            let updatedClients = [...this.state.clients].filter(i => i.id !== id);
+            this.setState({clients: updatedClients});
+        });
+    }
+
+    async generateInvoice(nip) {
+        fetch(`/invoices`, {
+            method: 'POST',
+            body: JSON.stringify({nip: `${nip}`, monthOfInvoice: 'a1'}),
+            headers: {
+                'Accept': 'application/pdf',
+                'Content-Type': 'application/json'
+            }
+        })
+            .then(response => {
+                if (response.status === 401 || response.status === 403) {
+                    alert("Error " + response.status);
+                    sessionStorage.clear();
+                    return;
+                }
+                const filename = response.headers.get("Content-Disposition").split("filename=")[1];
+                response.blob()
+                    .then(blob => saveAs(new Blob([blob]), filename));
+            });
+    }
+
+    render() {
+        const {clients} = this.state;
+
+        const clientList = clients.map(client => {
+            return <tr key={client.nip}>
+                <td style={{whiteSpace: 'nowrap'}}>{client.name}</td>
+                <td>{client.nip}</td>
+                <td>
+                    <ButtonGroup>
+                        <Button size="sm" color="primary" tag={Link} to={"/clients/" + client.nip}>Edit</Button>
+                        <Button size="sm" color="danger" onClick={() => this.remove(client.nip)}>Delete</Button>
+                        <Button size="sm" color="primary" onClick={() => this.generateInvoice(client.nip)}>Generate
+                            invoice</Button>
+                    </ButtonGroup>
+                </td>
+            </tr>
+        });
+
+        return (
+            <div>
+                <AppNavbar/>
+                <Container fluid>
+                    <div className="float-right">
+                        <Button color="success" tag={Link} to="/clients/new">Add Client</Button>
+                    </div>
+                    <h3>Clients</h3>
+                    <Table className="mt-4">
+                        <thead>
+                        <tr>
+                            <th width="30%">Name</th>
+                            <th width="30%">NIP</th>
+                            <th width="40%">Actions</th>
+                        </tr>
+                        </thead>
+                        <tbody>
+                        {clientList}
+                        </tbody>
+                    </Table>
+                </Container>
+            </div>
+        );
+    }
+}
+
+export default ClientList;
--- a/personal/arsenicum/invoicer/frontend/src/Home.js
+++ b/personal/arsenicum/invoicer/frontend/src/Home.js
@ -0,0 +1,21 @@
+import React, { Component } from 'react';
+import './App.css';
+import AppNavbar from './AppNavbar';
+import { Link } from 'react-router-dom';
+import { Button, Container } from 'reactstrap';
+
+class Home extends Component {
+    render() {
+        return (
+            <div>
+                <AppNavbar/>
+                <Container fluid>
+                    <Button color="link"><Link to="/clients">Clients</Link></Button>
+                    <Button color="link"><Link to="/invoices">Invoices</Link></Button>
+                </Container>
+            </div>
+        );
+    }
+}
+
+export default Home;
--- a/personal/arsenicum/invoicer/frontend/src/InvoiceList.js
+++ b/personal/arsenicum/invoicer/frontend/src/InvoiceList.js
@ -0,0 +1,75 @@
+import React, { Component } from 'react';
+import { Button, ButtonGroup, Container, Table } from 'reactstrap';
+import AppNavbar from './AppNavbar';
+import { Link } from 'react-router-dom';
+
+class InvoiceList extends Component {
+
+    constructor(props) {
+        super(props);
+        this.state = {invoices: []};
+        this.remove = this.remove.bind(this);
+    }
+
+    componentDidMount() {
+        fetch('/invoices')
+            .then(response => response.json())
+            .then(data => this.setState({invoices: data}));
+    }
+
+    async remove(id) {
+        await fetch(`/invoices/${id}`, {
+            method: 'DELETE',
+            headers: {
+                'Accept': 'application/json',
+                'Content-Type': 'application/json'
+            }
+        }).then(() => {
+            let updatedClients = [...this.state.invoices].filter(i => i.id !== id);
+            this.setState({invoices: updatedClients});
+        });
+    }
+
+    render() {
+        const {invoices} = this.state;
+
+        const clientList = invoices.map(invoice => {
+            return <tr key={invoice.id}>
+                <td style={{whiteSpace: 'nowrap'}}>{invoice.invoiceTitle}</td>
+                <td>{invoice.id}</td>
+                <td>
+                    <ButtonGroup>
+                        <Button size="sm" color="primary" tag={Link} to={"/invoices/" + invoice.id}>Edit</Button>
+                        <Button size="sm" color="danger" onClick={() => this.remove(invoice.id)}>Delete</Button>
+                    </ButtonGroup>
+                </td>
+            </tr>
+        });
+
+        return (
+            <div>
+                <AppNavbar/>
+                <Container fluid>
+                    <div className="float-right">
+                        <Button color="success" tag={Link} to="/invoices/new">Add Invoice</Button>
+                    </div>
+                    <h3>Clients</h3>
+                    <Table className="mt-4">
+                        <thead>
+                        <tr>
+                            <th width="30%">Id</th>
+                            <th width="30%">Invoice Title</th>
+                            <th width="40%">Actions</th>
+                        </tr>
+                        </thead>
+                        <tbody>
+                        {clientList}
+                        </tbody>
+                    </Table>
+                </Container>
+            </div>
+        );
+    }
+}
+
+export default InvoiceList;
--- a/personal/arsenicum/invoicer/frontend/src/index.css
+++ b/personal/arsenicum/invoicer/frontend/src/index.css
@ -0,0 +1,13 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}
--- a/personal/arsenicum/invoicer/frontend/src/index.js
+++ b/personal/arsenicum/invoicer/frontend/src/index.js
@ -0,0 +1,16 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import './index.css';
+import App from './App';
+import 'bootstrap/dist/css/bootstrap.min.css';
+
+
+
+ReactDOM.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+  ,
+  document.getElementById('root')
+);
+
--- a/personal/arsenicum/invoicer/frontend/src/logo.svg
+++ b/personal/arsenicum/invoicer/frontend/src/logo.svg
@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3"><g fill="#61DAFB"><path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/><circle cx="420.9" cy="296.5" r="45.7"/><path d="M520.5 78.1z"/></g></svg>
--- a/personal/arsenicum/invoicer/frontend/src/reportWebVitals.js
+++ b/personal/arsenicum/invoicer/frontend/src/reportWebVitals.js
@ -0,0 +1,13 @@
+const reportWebVitals = onPerfEntry => {
+  if (onPerfEntry && onPerfEntry instanceof Function) {
+    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
+      getCLS(onPerfEntry);
+      getFID(onPerfEntry);
+      getFCP(onPerfEntry);
+      getLCP(onPerfEntry);
+      getTTFB(onPerfEntry);
+    });
+  }
+};
+
+export default reportWebVitals;
--- a/personal/arsenicum/invoicer/frontend/src/setupTests.js
+++ b/personal/arsenicum/invoicer/frontend/src/setupTests.js
@ -0,0 +1,5 @@
+// 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';
--- a/personal/arsenicum/invoicer/pom.xml
+++ b/personal/arsenicum/invoicer/pom.xml
@ -0,0 +1,180 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>invoicer</artifactId>
+    <groupId>pl.hackerspace</groupId>
+    <version>1.0.0-SNAPSHOT</version>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-bom</artifactId>
+                <version>${log4j2.version}</version>
+                <scope>import</scope>
+                <type>pom</type>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring-boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>2.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.28</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jsoup</groupId>
+            <artifactId>jsoup</artifactId>
+            <version>1.16.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.xhtmlrenderer</groupId>
+            <artifactId>flying-saucer-pdf-openpdf</artifactId>
+            <version>9.1.22</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>3.1.0</version>
+                <configuration>
+                    <executable>maven</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.11.0</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <artifactId>maven-resources-plugin</artifactId>
+                <version>3.3.1</version>
+                <executions>
+                    <execution>
+                        <id>copy-resources</id>
+                        <phase>process-classes</phase>
+                        <goals>
+                            <goal>copy-resources</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>${basedir}/target/classes/static</outputDirectory>
+                            <resources>
+                                <resource>
+                                    <directory>frontend/build</directory>
+                                </resource>
+                            </resources>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>com.github.eirslett</groupId>
+                <artifactId>frontend-maven-plugin</artifactId>
+                <version>1.13.4</version>
+                <configuration>
+                    <workingDirectory>frontend</workingDirectory>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>install node</id>
+                        <goals>
+                            <goal>install-node-and-yarn</goal>
+                        </goals>
+                        <configuration>
+                            <nodeVersion>${node.version}</nodeVersion>
+                            <yarnVersion>${yarn.version}</yarnVersion>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>yarn install</id>
+                        <goals>
+                            <goal>yarn</goal>
+                        </goals>
+                        <phase>generate-resources</phase>
+                    </execution>
+                    <execution>
+                        <id>yarn test</id>
+                        <goals>
+                            <goal>yarn</goal>
+                        </goals>
+                        <phase>test</phase>
+                        <configuration>
+                            <arguments>test</arguments>
+                            <environmentVariables>
+                                <CI>true</CI>
+                            </environmentVariables>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>yarn build</id>
+                        <goals>
+                            <goal>yarn</goal>
+                        </goals>
+                        <phase>compile</phase>
+                        <configuration>
+                            <arguments>build</arguments>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>3.1.3</version>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <java.version>17</java.version>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <node.version>v14.18.0</node.version>
+        <yarn.version>v1.12.1</yarn.version>
+        <spring-boot.version>3.1.3</spring-boot.version>
+        <javafaker.version>1.0.2</javafaker.version>
+        <log4j2.version>2.17.1</log4j2.version>
+    </properties>
+
+</project>
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/BoostrapInitialData.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/BoostrapInitialData.java
@ -0,0 +1,49 @@
+package pl.hackerspace;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Component;
+import pl.hackerspace.domain.Client;
+import pl.hackerspace.domain.Invoice;
+import pl.hackerspace.repository.ClientRepository;
+import pl.hackerspace.repository.InvoiceRepository;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+@Component
+@Slf4j
+@RequiredArgsConstructor
+public class BoostrapInitialData implements CommandLineRunner {
+
+    private final ClientRepository clientRepository;
+    private final InvoiceRepository invoiceRepository;
+
+    @Override
+    public void run(String... args) {
+        log.info("Saving new clients");
+        Client client = Client.builder()
+                .price(BigDecimal.valueOf(200))
+                .nip("PL5252497215")
+                .name("Arseniy Sorokin")
+                .addressLine1("ul. Bródnowska 3/23")
+                .addressLine2("03-439 Warszawa, Polska")
+                .serviceName("Dostęp do Internetu - Umowa HSWAW/666 - Opłata abonamentowa %invoice_month_string%")
+                .email("arssorokin@gmail.com")
+                .build();
+        clientRepository.save(client);
+        clientRepository.save(Client.builder()
+                .price(BigDecimal.valueOf(100))
+                .nip("PL111")
+                .name("Pope Francis")
+                .addressLine1("St.Peter's square")
+                .addressLine2("Rome")
+                .serviceName("Dostęp do Internetu - Umowa HSWAW/2137 - Opłata abonamentowa %invoice_month_string%")
+                .email("pope@vatican.va")
+                .build());
+        log.info("Saving last invoice");
+        invoiceRepository.save(Invoice.builder().id(21196).invoiceTitle("FV21196").creationDate(LocalDateTime.now())
+                .client(client).pdfContent(new byte[]{}).build());
+    }
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/SpringBootReactApplication.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/SpringBootReactApplication.java
@ -0,0 +1,15 @@
+package pl.hackerspace;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+@SpringBootApplication
+@EnableJpaRepositories
+public class SpringBootReactApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootReactApplication.class, args);
+    }
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/controller/ClientsController.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/controller/ClientsController.java
@ -0,0 +1,54 @@
+package pl.hackerspace.controller;
+
+import pl.hackerspace.domain.Client;
+import pl.hackerspace.repository.ClientRepository;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.List;
+
+@RestController
+@RequestMapping("/clients")
+public class ClientsController {
+
+    private final ClientRepository clientRepository;
+
+    public ClientsController(ClientRepository clientRepository) {
+        this.clientRepository = clientRepository;
+    }
+
+    @GetMapping
+    public List<Client> getClients() {
+        return clientRepository.findAll();
+    }
+
+    @GetMapping("/{nip}")
+    public Client getClient(@PathVariable String nip) {
+        return clientRepository.findById(nip).orElseThrow(RuntimeException::new);
+    }
+
+    @PostMapping
+    public ResponseEntity<Client> createClient(@RequestBody Client client) throws URISyntaxException {
+        Client savedClient = clientRepository.save(client);
+        return ResponseEntity.created(new URI("/clients/" + savedClient.getNip())).body(savedClient);
+    }
+
+    @PutMapping("/{nip}")
+    public ResponseEntity<Client> updateClient(@PathVariable String nip, @RequestBody Client client) {
+        Client currentClient = clientRepository.findById(nip).orElseThrow(RuntimeException::new);
+        currentClient.setName(client.getName());
+        currentClient.setEmail(client.getEmail());
+        currentClient = clientRepository.save(client);
+
+        return ResponseEntity.ok(currentClient);
+    }
+
+    @DeleteMapping("/{nip}")
+    public ResponseEntity<Void> deleteClient(@PathVariable String nip) {
+        clientRepository.deleteById(nip);
+        return ResponseEntity.ok().build();
+    }
+
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/controller/InvoicesController.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/controller/InvoicesController.java
@ -0,0 +1,42 @@
+package pl.hackerspace.controller;
+
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.core.io.Resource;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import pl.hackerspace.domain.Client;
+import pl.hackerspace.domain.Invoice;
+import pl.hackerspace.dto.InvoiceGenerationDto;
+import pl.hackerspace.service.InvoiceService;
+
+import java.io.IOException;
+import java.util.List;
+
+@RestController
+@RequestMapping("/invoices")
+@RequiredArgsConstructor
+@CrossOrigin(value = {"*"}, exposedHeaders = {"Content-Disposition"})
+public class InvoicesController {
+
+    private final InvoiceService invoiceService;
+
+    @PostMapping
+    @ResponseBody
+    public ResponseEntity<Resource> generateSingleInvoice(@RequestBody InvoiceGenerationDto request)
+            throws IOException {
+        return invoiceService.generateNewInvoice(request);
+    }
+
+    @GetMapping("/all")
+    @ResponseBody
+    public void generateAllSubscriberInvoices(HttpServletResponse response, @RequestParam String monthOfInvoice)
+            throws IOException {
+        invoiceService.generateInvoicesForAllSubscribers(response, monthOfInvoice);
+    }
+
+    @GetMapping
+    public List<Invoice> getInvoices() {
+        return invoiceService.findAll();
+    }
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/domain/Client.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/domain/Client.java
@ -0,0 +1,69 @@
+package pl.hackerspace.domain;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.math.BigDecimal;
+import java.util.Set;
+
+@Entity
+@Table(name = "client")
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class Client {
+
+    @Id
+    private String nip;
+
+    @Column(nullable = false)
+    private String name;
+
+    @Column(nullable = false)
+    private String email;
+
+    private String addressLine1;
+    private String addressLine2;
+
+    @Column(nullable = false)
+    private String serviceName;
+
+    @Column(nullable = false)
+    private BigDecimal price;
+
+    @Builder.Default
+    @Column(nullable = false)
+    private BigDecimal amount = BigDecimal.valueOf(1);
+
+    @Builder.Default
+    @Column(nullable = false)
+    private BigDecimal vat = BigDecimal.valueOf(23);
+
+    @Builder.Default
+    @Column(nullable = false)
+    private int paymentOffsetDays = 14;
+
+    @Builder.Default
+    private boolean subscriber = true;
+
+    private boolean prepaid;
+
+    @OneToMany(mappedBy="client")
+    Set<Invoice> invoices;
+
+    public byte[] getInvoiceForSubscriptionMonth(String monthOfInvoice) {
+        return invoices.stream()
+                .filter(i -> monthOfInvoice.equals(i.getMonthOfSubscription()))
+                .map(Invoice::getPdfContent)
+                .findFirst()
+                .orElse(null);
+    }
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/domain/Invoice.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/domain/Invoice.java
@ -0,0 +1,41 @@
+package pl.hackerspace.domain;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "invoice")
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class Invoice {
+
+    @Id
+    private long id;
+
+    @Column(nullable = false)
+    private String invoiceTitle;
+
+    private String monthOfSubscription;
+
+    @Column(nullable = false)
+    private LocalDateTime creationDate;
+
+    @Column(columnDefinition = "VARBINARY(50000)", nullable = false)
+    private byte[] pdfContent;
+
+    @ManyToOne
+    @JoinColumn(nullable = false)
+    private Client client;
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/dto/CustomInvoiceDataDto.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/dto/CustomInvoiceDataDto.java
@ -0,0 +1,23 @@
+package pl.hackerspace.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.math.BigDecimal;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CustomInvoiceDataDto {
+
+    private String customServiceName;
+
+    private BigDecimal customPrice;
+
+    private BigDecimal customAmount = BigDecimal.valueOf(1);
+
+    private BigDecimal customVat = BigDecimal.valueOf(23);
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/dto/InvoiceGenerationDto.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/dto/InvoiceGenerationDto.java
@ -0,0 +1,22 @@
+package pl.hackerspace.dto;
+
+import jakarta.persistence.Column;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.math.BigDecimal;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class InvoiceGenerationDto {
+
+    private String nip;
+
+    private String monthOfInvoice;
+
+    private CustomInvoiceDataDto customInvoiceData;
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/repository/ClientRepository.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/repository/ClientRepository.java
@ -0,0 +1,12 @@
+package pl.hackerspace.repository;
+
+import org.springframework.stereotype.Repository;
+import pl.hackerspace.domain.Client;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+@Repository
+public interface ClientRepository extends JpaRepository<Client, String> {
+    List<Client> findBySubscriberTrue();
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/repository/InvoiceRepository.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/repository/InvoiceRepository.java
@ -0,0 +1,14 @@
+package pl.hackerspace.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+import pl.hackerspace.domain.Client;
+import pl.hackerspace.domain.Invoice;
+
+@Repository
+public interface InvoiceRepository extends JpaRepository<Invoice, String> {
+
+    @Query(value = "SELECT max(id) FROM Invoice")
+    long getMaxId();
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/service/InvoiceService.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/service/InvoiceService.java
@ -0,0 +1,143 @@
+package pl.hackerspace.service;
+
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.core.io.ByteArrayResource;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.core.io.Resource;
+import org.springframework.http.ContentDisposition;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StreamUtils;
+import pl.hackerspace.domain.Client;
+import pl.hackerspace.domain.Invoice;
+import pl.hackerspace.dto.CustomInvoiceDataDto;
+import pl.hackerspace.dto.InvoiceGenerationDto;
+import pl.hackerspace.repository.ClientRepository;
+import pl.hackerspace.repository.InvoiceRepository;
+
+import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+import static pl.hackerspace.service.TemplateService.withTemplate;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class InvoiceService {
+
+    private final ClientRepository clientRepository;
+
+    private final InvoiceRepository invoiceRepository;
+
+    @Transactional
+    public ResponseEntity<Resource> generateNewInvoice(InvoiceGenerationDto generationRequest) throws IOException {
+        Client client = clientRepository.findById(generationRequest.getNip()).orElseThrow(() -> new RuntimeException("Not found"));
+        return withTemplate(template -> {
+            byte[] invoice;
+            if (!client.isSubscriber() || generationRequest.getCustomInvoiceData() != null) {
+                invoice = createPdfInvoice(client, template, null, generationRequest.getCustomInvoiceData());
+            } else {
+                invoice = getOrCreateSubscriptionPdfInvoice(template, client, generationRequest.getMonthOfInvoice());
+            }
+            return ResponseEntity.ok()
+                    .headers(getHttpHeaders(client.getName() + " " + generationRequest.getMonthOfInvoice()))
+                    .contentLength(-1)
+                    .contentType(MediaType.APPLICATION_PDF)
+                    .body(new ByteArrayResource(invoice));
+        });
+    }
+
+
+    @Transactional
+    public void generateInvoicesForAllSubscribers(HttpServletResponse response, String monthOfInvoice) throws IOException {
+        setHeaders(response, "application/zip", LocalDate.now().format(DateTimeFormatter.ISO_LOCAL_DATE) + ".zip");
+        List<Client> subscribers = clientRepository.findBySubscriberTrue();
+        withTemplate(template -> {
+            try (ZipOutputStream zipOutputStream = new ZipOutputStream(response.getOutputStream())) {
+                for (Client client : subscribers) {
+                    try (InputStream inputStream = new ByteArrayInputStream(
+                            getOrCreateSubscriptionPdfInvoice(template, client, monthOfInvoice))) {
+                        zipOutputStream.putNextEntry(new ZipEntry(getPdfFilename(client.getName() + " "
+                                + monthOfInvoice)));
+                        StreamUtils.copy(inputStream, zipOutputStream);
+                        zipOutputStream.flush();
+                    }
+                }
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+            return null;
+        });
+    }
+
+    private byte[] getOrCreateSubscriptionPdfInvoice(String template, Client client, final String monthOfInvoice) {
+        byte[] invoice = client.getInvoiceForSubscriptionMonth(monthOfInvoice);
+        if (invoice == null) {
+            invoice = createPdfInvoice(client, template, monthOfInvoice, null);
+        }
+        return invoice;
+    }
+
+    private static void setHeaders(HttpServletResponse response, String contentType, String filename) {
+        response.setContentType(contentType);
+        response.setHeader(HttpHeaders.CONTENT_DISPOSITION, ContentDisposition.attachment()
+                .filename(filename, StandardCharsets.UTF_8)
+                .build()
+                .toString());
+    }
+
+    private byte[] createPdfInvoice(Client client, String template, String monthOfSubscription,
+                                    CustomInvoiceDataDto customInvoiceData) {
+        LocalDateTime creationDate = LocalDateTime.now();
+        Invoice newInvoice = createNewInvoice(client, creationDate, monthOfSubscription);
+        byte[] bytes = TemplateService.convertHtmlToPdf(template, client, creationDate,
+                newInvoice.getInvoiceTitle(), monthOfSubscription, customInvoiceData);
+        newInvoice.setPdfContent(bytes);
+        save(newInvoice);
+        return bytes;
+    }
+
+    private static HttpHeaders getHttpHeaders(final String filename) {
+        HttpHeaders headers = new HttpHeaders();
+        headers.add(HttpHeaders.ACCESS_CONTROL_EXPOSE_HEADERS, HttpHeaders.CONTENT_DISPOSITION);
+        headers.add(HttpHeaders.CONTENT_TYPE, "application/octet-stream");
+        headers.add(HttpHeaders.CONTENT_DISPOSITION, "inline; filename=" + getPdfFilename(filename));
+        return headers;
+    }
+
+    private static String getPdfFilename(String filename) {
+        return filename + ".pdf";
+    }
+
+    public Invoice createNewInvoice(Client client, final LocalDateTime creationDate, String monthOfSubscription) {
+        long nextInvoiceId = invoiceRepository.getMaxId() + 1;
+        return Invoice.builder().id(nextInvoiceId)
+                .invoiceTitle("FV" + nextInvoiceId)
+                .creationDate(creationDate)
+                .monthOfSubscription(monthOfSubscription)
+                .client(client)
+                .build();
+    }
+
+    public void save(Invoice newInvoice) {
+        invoiceRepository.save(newInvoice);
+    }
+
+    public List<Invoice> findAll() {
+        return invoiceRepository.findAll();
+    }
+}
--- a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/service/TemplateService.java
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/service/TemplateService.java
@ -0,0 +1,130 @@
+package pl.hackerspace.service;
+
+import com.lowagie.text.pdf.BaseFont;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.springframework.stereotype.Service;
+import org.xhtmlrenderer.layout.SharedContext;
+import org.xhtmlrenderer.pdf.ITextRenderer;
+import pl.hackerspace.domain.Client;
+import pl.hackerspace.dto.CustomInvoiceDataDto;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.text.DecimalFormat;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.HashSet;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+@Slf4j
+@Service
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class TemplateService {
+
+    public static final DecimalFormat MONEY_FORMAT = twoDecimalsFormatter();
+    public static final DateTimeFormatter MONTH_FORMATTER = DateTimeFormatter.ofPattern("yyyy/MM");
+    public static final String HTML_TEMPLATE_FILE = "invoiceTemplates/invoice_one_service.html";
+
+    public static <A> A withTemplate(Function<String, A> execute) throws IOException {
+        try (InputStream resourceAsStream = TemplateService.class.getClassLoader().getResourceAsStream(HTML_TEMPLATE_FILE)) {
+            String template = new String(resourceAsStream.readAllBytes());
+            return execute.apply(template);
+        }
+    }
+
+    static String populateTemplate(String unprocessedTemplate, Client client, final String subscriptionMonth,
+                                   final LocalDateTime invoiceCreationDate, final String invoiceTitle,
+                                   CustomInvoiceDataDto customInvoiceData) {
+        boolean isCustom = customInvoiceData != null;
+        BigDecimal price = isCustom ? customInvoiceData.getCustomPrice() : client.getPrice();
+        BigDecimal amount = isCustom ? customInvoiceData.getCustomAmount() : client.getAmount();
+        BigDecimal vat = isCustom ? customInvoiceData.getCustomVat() : client.getVat();
+        String serviceName = isCustom ? customInvoiceData.getCustomServiceName() : client.getServiceName();
+        BigDecimal totalNet = amount.multiply(price);
+        String processedHtml = unprocessedTemplate
+                .replace("%client_name%", client.getName())
+                .replace("%invoice_title%", invoiceTitle)
+                .replace("%client_price%", formatAsMoney(price))
+                .replace("%client_addressLine1%", client.getAddressLine1())
+                .replace("%client_addressLine2%", client.getAddressLine2())
+                .replace("%client_service_name%", serviceName)
+                .replace("%client_nip%", Optional.ofNullable(client.getNip()).map(nip -> "NIP: " + nip).orElse(""))
+                .replace("%client_total_net%", formatAsMoney(totalNet))
+                .replace("%client_total_gross%", formatAsMoney(totalNet.add(percentageValue(totalNet, vat))))
+                .replace("%client_amount%", formatAsMoney(amount))
+                .replace("%client_vat%", formatAsMoney(vat))
+                .replace("%client_total_tax%", formatAsMoney(percentageValue(totalNet, vat)))
+                .replace("%invoice_month_string%", subscriptionMonth)
+                .replace("%client_payment_date%", formatAsDate(invoiceCreationDate.plusDays(client.getPaymentOffsetDays())))
+                .replace("%invoice_date%", formatAsDate(invoiceCreationDate));
+        validateAllPlaceholdersSubstituted(processedHtml);
+        return processedHtml;
+    }
+
+    private static String formatAsMoney(BigDecimal totalNet) {
+        return MONEY_FORMAT.format(totalNet);
+    }
+
+    private static String formatAsDate(LocalDateTime invoiceCreationDate) {
+        return invoiceCreationDate.format(DateTimeFormatter.ISO_LOCAL_DATE);
+    }
+
+    private static void validateAllPlaceholdersSubstituted(String processed) {
+        Set<String> allMatches = new HashSet<>();
+        Matcher m = Pattern.compile("%(\\w*?)%").matcher(processed);
+        while (m.find()) {
+            allMatches.add(m.group());
+        }
+        if (!allMatches.isEmpty()) {
+            throw new IllegalStateException("There are unsubstituted placeholders in the template: " + allMatches);
+        }
+    }
+
+    private static DecimalFormat twoDecimalsFormatter() {
+        DecimalFormat df = new DecimalFormat();
+        df.setMaximumFractionDigits(2);
+        df.setMinimumFractionDigits(2);
+        df.setGroupingUsed(false);
+        return df;
+    }
+
+    public static BigDecimal percentageValue(BigDecimal base, BigDecimal pct) {
+        return base.multiply(pct).divide(new BigDecimal(100), 2, RoundingMode.HALF_UP);
+    }
+
+    static byte[] convertHtmlToPdf(String unprocessedTemplate, Client client, final LocalDateTime creationDate,
+                                   final String invoiceTitle, final String monthOfInvoice, CustomInvoiceDataDto customInvoiceData) {
+        String processedHtml = populateTemplate(unprocessedTemplate, client, monthOfInvoice, creationDate, invoiceTitle,
+                customInvoiceData);
+        try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
+            ITextRenderer renderer = new ITextRenderer();
+            SharedContext sharedContext = renderer.getSharedContext();
+            sharedContext.setPrint(true);
+            sharedContext.setInteractive(false);
+            renderer.getFontResolver().addFont("fonts/calibri.ttf", BaseFont.IDENTITY_H, true);
+            renderer.setDocumentFromString(htmlToXhtml(processedHtml));
+            renderer.layout();
+            renderer.createPDF(outputStream);
+            return outputStream.toByteArray();
+        } catch (IOException e) {
+            throw new RuntimeException("Exception during pdf conversion", e);
+        }
+    }
+
+    private static String htmlToXhtml(String html) {
+        Document document = Jsoup.parse(html);
+        document.outputSettings().syntax(Document.OutputSettings.Syntax.xml);
+        return document.html();
+    }
+}
--- a/personal/arsenicum/invoicer/src/main/resources/fonts/calibri.ttf
+++ b/personal/arsenicum/invoicer/src/main/resources/fonts/calibri.ttf
--- a/personal/arsenicum/invoicer/src/main/resources/invoiceTemplates/invoice_one_service.html
+++ b/personal/arsenicum/invoicer/src/main/resources/invoiceTemplates/invoice_one_service.html
@ -0,0 +1,102 @@
+<style type="text/css">
+    body {
+        font-family: Calibri, sans-serif;
+    }
+</style>
+
+<html lang="en">
+<head>
+    <meta http-equiv="Content-Language" content="pl">
+    <meta charset="UTF-8">
+</head>
+<body>
+<table style="width: 100%; border-collapse: collapse; height: 148px;" border="0">
+    <tbody>
+    <tr style="height: 18px;">
+        <td style="width: 50%; height: 18px;">
+            <h4><span style="font-size: 14px;">Sprzedawca (Seller):</span></h4>
+        </td>
+        <td style="width: 64%; text-align: right; height: 18px;">
+            <h4><span style="font-size: 14px;">Nabywca (Bill to)</span></h4>
+        </td>
+    </tr>
+    <tr style="height: 18px;">
+        <td style="width: 50%; height: 18px;"><span style="font-size: 14px;">Stowarzyszenie Warszawski Hackerspace</span>
+        </td>
+        <td style="width: 64%; text-align: right; height: 18px;"><span
+                style="font-size: 14px;">%client_name%</span></td>
+    </tr>
+    <tr style="height: 18px;">
+        <td style="width: 50%; height: 18px;"><span style="font-size: 12px;">ul. Wolność 2A</span></td>
+        <td style="width: 64%; text-align: right; height: 18px;"><span style="font-size: 12px;">%client_addressLine1%</span></td>
+    </tr>
+    <tr style="height: 18px;">
+        <td style="width: 50%; height: 18px;"><span style="font-size: 12px;">01-018 Warszawa</span></td>
+        <td style="width: 64%; text-align: right; height: 18px;"><span style="font-size: 12px;">%client_addressLine2%</span></td>
+    </tr>
+    <tr style="height: 18px;">
+        <td style="width: 50%; height: 18px;"><span style="font-size: 12px;">NIP: 525-25-40-655</span><span
+                style="font-size: 12px;"><br></span></td>
+        <td style="width: 64%; text-align: right; height: 18px;"><span style="font-size: 12px;">%client_nip%</span></td>
+    </tr>
+    <tr style="height: 18px;">
+        <td style="width: 50%; height: 18px;"><span style="font-size: 12px;">IBAN: PL 64 1950 0001 2006 0006 4889 0005</span><span
+                style="font-size: 12px;"><br></span></td>
+        <td style="width: 64%; height: 18px;"></td>
+    </tr>
+    <tr style="height: 18px;">
+        <td style="width: 50%; height: 18px;"><span style="font-size: 12px;">SWIFT/BIC: PKOPPLPW</span><span
+                style="font-size: 12px;"><br></span></td>
+        <td style="width: 64%; height: 18px;"></td>
+    </tr>
+    </tbody>
+</table>
+
+<h3><span style="font-size: 16px;">Faktura VAT nr / Invoice No.: %invoice_title%</span></h3>
+<p><span style="font-size: 16px;"><span style="font-size: 12px;">Data wystawienia: %invoice_date%<br>Termin płatności: %client_payment_date%</span></span>
+</p>
+<table style="border-collapse: collapse; width: 100%; height: 54px;" border="1">
+    <tbody>
+    <tr style="height: 36px;background-color: #e5e7e9">
+        <td style="width: 2%; height: 36px; text-align: center;"><span style="font-size: 14px;">Lp<br>No</span></td>
+        <td style="width: 40%; height: 36px; text-align: center;"><span style="font-size: 14px;">Nazwa<br>Description</span></td>
+        <td style="width: 2%; height: 36px; text-align: center;"><span style="font-size: 14px;">Ilość<br>Qt</span></td>
+        <td style="width: 14%; height: 36px; text-align: center;"><span style="font-size: 14px;">Cena netto<br>Unit price</span>
+        </td>
+        <td style="width: 14%; height: 36px; text-align: center;"><span style="font-size: 14px;">Stawka VAT, %<br>Tax Rate</span>
+        </td>
+        <td style="width: 14%; height: 36px; text-align: center;"><span
+                style="font-size: 14px;">Wartość netto<br>Total Excl. Tax</span></td>
+        <td style="width: 14%; height: 36px; text-align: center;"><span
+                style="font-size: 14px;">Wartość brutto<br>Total Incl. Tax</span></td>
+    </tr>
+    <tr style="height: 18px;">
+        <td style="width: 2%; height: 18px; text-align: center;"><span style="font-size: 14px;">1</span></td>
+        <td style="width: 40%; height: 18px;"><span style="font-size: 14px;">%client_service_name%</span></td>
+        <td style="width: 2%; height: 18px; text-align: center;"><span style="font-size: 14px;">%client_amount%</span></td>
+        <td style="width: 14%; height: 18px; text-align: center;"><span style="font-size: 14px;">%client_price%</span></td>
+        <td style="width: 14%; height: 18px; text-align: center;"><span style="font-size: 14px;">%client_vat%</span></td>
+        <td style="width: 14%; height: 18px; text-align: center;"><span style="font-size: 14px;">%client_total_net%</span></td>
+        <td style="width: 14%; height: 18px; text-align: center;"><span style="font-size: 14px;">%client_total_gross%</span></td>
+    </tr>
+    </tbody>
+</table>
+<br>
+<table style="width: 50%; border-collapse: collapse; height: 56px;" border="0">
+    <tbody>
+    <tr style="height: 18px;">
+        <td style="width: 65%; height: 18px; text-align: right;">Razem netto / Total Excl. Tax</td>
+        <td style="width: 35%; height: 18px; text-align: right;">%client_total_net%</td>
+    </tr>
+    <tr style="height: 18px;">
+        <td style="width: 65%; height: 18px; text-align: right;">VAT / Total tax</td>
+        <td style="width: 35%; height: 18px; text-align: right;">%client_total_tax%</td>
+    </tr>
+    <tr style="height: 20px;">
+        <td style="width: 65%; height: 20px; text-align: right;"><strong>Razem brutto / Total Incl. Tax</strong></td>
+        <td style="width: 35%; height: 20px; text-align: right;"><strong>%client_total_gross%</strong></td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
				`@ -0,0 +1 @@`
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