invoicer initial version

Change-Id: Ib20a96c224f5c055874f72f8f9a04a4dc8bbbc24
diff --git a/personal/arsenicum/invoicer/frontend/src/App.css b/personal/arsenicum/invoicer/frontend/src/App.css
new file mode 100644
index 0000000..9324b7c
--- /dev/null
+++ 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;
+}
\ No newline at end of file
diff --git a/personal/arsenicum/invoicer/frontend/src/App.js b/personal/arsenicum/invoicer/frontend/src/App.js
new file mode 100644
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--- /dev/null
+++ 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;
\ No newline at end of file
diff --git a/personal/arsenicum/invoicer/frontend/src/App.test.js b/personal/arsenicum/invoicer/frontend/src/App.test.js
new file mode 100644
index 0000000..ccf118f
--- /dev/null
+++ 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();
+});
diff --git a/personal/arsenicum/invoicer/frontend/src/AppNavbar.js b/personal/arsenicum/invoicer/frontend/src/AppNavbar.js
new file mode 100644
index 0000000..11a0833
--- /dev/null
+++ 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>;
+    }
+}
\ No newline at end of file
diff --git a/personal/arsenicum/invoicer/frontend/src/ClientEdit.js b/personal/arsenicum/invoicer/frontend/src/ClientEdit.js
new file mode 100644
index 0000000..6eafd20
--- /dev/null
+++ 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);
\ No newline at end of file
diff --git a/personal/arsenicum/invoicer/frontend/src/ClientList.js b/personal/arsenicum/invoicer/frontend/src/ClientList.js
new file mode 100644
index 0000000..a7b2946
--- /dev/null
+++ 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;
\ No newline at end of file
diff --git a/personal/arsenicum/invoicer/frontend/src/Home.js b/personal/arsenicum/invoicer/frontend/src/Home.js
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--- /dev/null
+++ 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;
\ No newline at end of file
diff --git a/personal/arsenicum/invoicer/frontend/src/InvoiceList.js b/personal/arsenicum/invoicer/frontend/src/InvoiceList.js
new file mode 100644
index 0000000..0b2a915
--- /dev/null
+++ 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;
\ No newline at end of file
diff --git a/personal/arsenicum/invoicer/frontend/src/index.css b/personal/arsenicum/invoicer/frontend/src/index.css
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--- /dev/null
+++ 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;
+}
diff --git a/personal/arsenicum/invoicer/frontend/src/index.js b/personal/arsenicum/invoicer/frontend/src/index.js
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--- /dev/null
+++ 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')
+);
+
diff --git a/personal/arsenicum/invoicer/frontend/src/logo.svg b/personal/arsenicum/invoicer/frontend/src/logo.svg
new file mode 100644
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--- /dev/null
+++ 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>
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diff --git a/personal/arsenicum/invoicer/frontend/src/reportWebVitals.js b/personal/arsenicum/invoicer/frontend/src/reportWebVitals.js
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index 0000000..5253d3a
--- /dev/null
+++ 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;
diff --git a/personal/arsenicum/invoicer/frontend/src/setupTests.js b/personal/arsenicum/invoicer/frontend/src/setupTests.js
new file mode 100644
index 0000000..8f2609b
--- /dev/null
+++ 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';