13 files changed, 588 insertions, 86 deletions
diff --git a/src/App.js b/src/App.js
index a7a2e5c..9fd5081 100644
--- a/src/App.js
+++ b/src/App.js
@@ -19,6 +19,8 @@ import { BrowserRouter, Route, Routes } from "react-router-dom";
 import './App.scss';
 import Navbar from './components/navbar/navbar';
 import HomePage from './views/homepage';
+import RegisterPage from './views/login/register';
+import LoginPage from './views/login/login';
 import NewInvoicePage from './views/invoice/new';
 import ManagementPage from './views/manage/manage';
 import ManageItemsPage from './views/manage/items';
@@ -33,6 +35,8 @@ const App = () => {
       <main>
         <Routes>
           <Route exact path="/" element={<HomePage/>}/>
+          <Route exact path="/login" element={<LoginPage/>}/>
+          <Route exact path="/register" element={<RegisterPage/>}/>
           <Route exact path="/invoice/new" element={<NewInvoicePage/>}/>
           <Route exact path="/manage/items" element={<ManageItemsPage/>}/>
           <Route exact path="/manage/clients" element={<ManageClientsPage/>}/>
diff --git a/src/App.scss b/src/App.scss
index 23ee270..1b37ffe 100644
--- a/src/App.scss
+++ b/src/App.scss
@@ -60,3 +60,29 @@ $selectionColor: rgba($primaryAccentColor, 0.9)
   color: $darkgray;
   background: $selectionColor;
 }
+
+.dropdown-icon {
+    transition: transform 0.4s;
+    &.open {
+        transform: rotate(-180deg);
+    }
+}
+
+.dropdown-div {
+    animation: dropdown ease 0.15s;
+}
+
+@keyframes dropdown {
+    0% {
+        opacity: 0;
+        transform: translateY(-100%)
+    }
+    50% {
+        opacity: 0;
+    }
+    100% {
+        opacity: 100;
+        transform: translateY(0px)
+    }
+}
+
diff --git a/src/classes/invoice.js b/src/classes/invoice.js
index 066cbc3..610b7d8 100644
--- a/src/classes/invoice.js
+++ b/src/classes/invoice.js
@@ -15,7 +15,6 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import { InvoiceItem } from "./item";
 import { Client, Address } from "./client";
 
 import axios from "axios";
diff --git a/src/classes/user.js b/src/classes/user.js
new file mode 100644
index 0000000..858d8d6
--- /dev/null
+++ b/src/classes/user.js
@@ -0,0 +1,71 @@
+/* OpenBills-web - Web based libre billing software
+ * Copyright (C) 2022  Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
+
+ * 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/>.
+ */
+
+import axios from "axios";
+
+export class User {
+  constructor() {
+    this.Id = null;
+    this.UserName = "";
+    this.Email = "";
+    this.Password = "";
+  }
+}
+
+export const validateUsername = username => {
+  if (username.length < 2) return false;
+  // username can't have spaces
+  if (username.includes(" ")) return false;
+  return true
+}
+
+export const validatePassword = password => {
+  if (password.length < 12) return false;
+  // TODO: add other validation
+
+  return true;
+}
+
+export const validateEmail = email => String(email)
+    .toLowerCase()
+    .match(
+      /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
+    ) ? true : false;
+
+export const login = (data, ok, fail) => {
+  axios.post("/auth/login", data)
+    .then(res => ok(res))
+    .catch(err => fail(err));
+}
+
+export const saveUser = (user, ok, fail) => {
+  axios.post("/user/new", user)
+    .then(res => ok(res))
+    .catch(err => fail(err));
+}
+
+export const deleteUser = (id, ok, fail) => {
+  axios.delete(`/user/${id}`)
+    .then(res => ok(res))
+    .catch(err => fail(err));
+}
+
+export const editUser = (user, ok, fail) => {
+  axios.put(`/user/${user.Id}`, user)
+    .then(res => ok(res))
+    .catch(err => fail(err));
+}
diff --git a/src/components/editors/invoice-headers-editor.js b/src/components/editors/invoice-headers-editor.js
index d099e59..dcbf9ca 100644
--- a/src/components/editors/invoice-headers-editor.js
+++ b/src/components/editors/invoice-headers-editor.js
@@ -18,8 +18,14 @@
 import './scss/invoice-headers.scss';
 
 import { useState, useEffect } from 'react';
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faChevronDown } from '@fortawesome/free-solid-svg-icons'
+
+const InvoiceHeadersEditor = ({roundOff, setRoundOff, transport, setTransport, invoiceNumber, setInvoiceNumber, date, setDate}) => {
+  // show transport details menu
+  const [showTPMenu, setShowTPMenu] = useState(false);
+  const [showAdditionalMenu, setShowAdditionalMenu] = useState(false);
 
-const InvoiceHeadersEditor = ({roundOff, setRoundOff, transport, setTransport}) => {
   const handleInput = e => {
     const { name, value } = e.target;
 
@@ -43,79 +49,123 @@ const InvoiceHeadersEditor = ({roundOff, setRoundOff, transport, setTransport})
   return (
     <div className={"invoice-headers-editor"}>
       <h1>Invoice Options:</h1>
-      <div>
-        <label className={"checkbox-label"}>
-          <input
-            type="checkbox"
-            onChange={() => setRoundOff(prev => !prev)}
-            checked={roundOff}/>
-          Round off the Total
-        </label>
-
-        <label>
-          Apply Discount On All Items:
-          <input
-            className={"small"}
-            type="number"
-            min="0"
-            max="100"
-            step="0.1" />
-        </label>
-
-        <p><strong>Transport Details</strong></p>
-
-        <label>
-          Vehicle Number:
-          <input
-            name="VehicleNum"
-            value={transport.VehicleNum}
-            onChange={handleInput}
-            type="text"/>
-        </label>
-
-        <label>
-          Transport Method:
-          <input
-            name="TransportMethod"
-            value={transport.TransportMethod}
-            onChange={handleInput}
-            type="text"/>
-        </label>
-
-        <label>
-          Transporter Name:
-          <input
-            name="Transporter.Name"
-            value={transport.Transporter.Name}
-            onChange={handleInput}
-            type="text"/>
-        </label>
-
-        <label>
-          Transporter GSTIN:
-          <input
-            name="Transporter.GSTIN"
-            value={transport.Transporter.GSTIN}
-            onChange={handleInput}
-            type="text"/>
-        </label>
-
-        <label>
-          Transporter ID:
-          <input
-            name="Transporter.TransporterId"
-            value={transport.Transporter.TransporterId}
-            onChange={handleInput}
-            type="text"/>
-        </label>
-
-        <label>
-          Delivery Note:
-          <textarea
-            name="Note"
-            value={transport.Note}
-            onChange={handleInput} />
-        </label>
+      <div className={"wrapper"}>
+        <div>
+          <label className={"checkbox-label"}>
+            <input
+              type="checkbox"
+              onChange={() => setRoundOff(prev => !prev)}
+              checked={roundOff}/>
+            Round off the Total
+          </label>
+
+          <label>
+            Apply Discount On All Items:
+            <input
+              className={"small"}
+              type="number"
+              min="0"
+              max="100"
+              step="0.1" />
+          </label>
+
+          <p onClick={() => setShowTPMenu(i => !i)}>
+            <strong>
+              Transport Details <FontAwesomeIcon
+                icon={faChevronDown}
+                className={`dropdown-icon ${showTPMenu ? "open" : "closed"}`} />
+            </strong>
+          </p>
+          <hr/>
+          {showTPMenu &&
+            <div className={"dropdown-div"}>
+              <label>
+                Vehicle Number:
+                <input
+                  name="VehicleNum"
+                  value={transport.VehicleNum}
+                  onChange={handleInput}
+                  type="text"/>
+              </label>
+
+              <label>
+                Transport Method:
+                <input
+                  name="TransportMethod"
+                  value={transport.TransportMethod}
+                  onChange={handleInput}
+                  type="text"/>
+              </label>
+
+              <label>
+                Transporter Name:
+                <input
+                  name="Transporter.Name"
+                  value={transport.Transporter.Name}
+                  onChange={handleInput}
+                  type="text"/>
+              </label>
+
+              <label>
+                Transporter GSTIN:
+                <input
+                  name="Transporter.GSTIN"
+                  value={transport.Transporter.GSTIN}
+                  onChange={handleInput}
+                  type="text"/>
+              </label>
+
+              <label>
+                Transporter ID:
+                <input
+                  name="Transporter.TransporterId"
+                  value={transport.Transporter.TransporterId}
+                  onChange={handleInput}
+                  type="text"/>
+              </label>
+
+              <label>
+                Delivery Note:
+                <textarea
+                  name="Note"
+                  value={transport.Note}
+                  onChange={handleInput} />
+              </label>
+            </div>
+          }
+          <p onClick={() => setShowAdditionalMenu(i => !i)}>
+            <strong>
+              Additional Details <FontAwesomeIcon
+                icon={faChevronDown}
+                className={`dropdown-icon ${showAdditionalMenu ? "open" : "closed"}`} />
+            </strong>
+          </p>
+          <hr/>
+          {showAdditionalMenu &&
+            <div className={"dropdown-div"}>
+              <label>
+                Placeholder:
+                <input
+                  //name="VehicleNum"
+                  //value={transport.VehicleNum}
+                  //onChange={handleInput}
+                  type="text"/>
+              </label>
+            </div>
+          }
+        </div>
+        <div>
+          <label>
+            Invoice Number:
+            <input
+              type="text"
+              value={invoiceNumber}
+              onChange={(e) => setInvoiceNumber(e.target.value)} />
+          </label>
+          <label>
+            Invoice Date:
+          </label>
+        </div>
       </div>
     </div>
   )
diff --git a/src/components/editors/scss/_editor.scss b/src/components/editors/scss/_editor.scss
index 1ca7067..6cd7c43 100644
--- a/src/components/editors/scss/_editor.scss
+++ b/src/components/editors/scss/_editor.scss
@@ -17,6 +17,22 @@
 
 @import "colors";
 
+@mixin button {
+    button, input[type=submit] {
+        padding: 0.2rem 0;
+        width: 4rem;
+        background-color: $inputBackgroundColor;
+        border: 1px solid $primaryAccentColor;
+        color: $fgColor;
+        border-radius: 4px;
+        transition: background-color 0.4s, color 0.4s;
+    }
+    button:hover, input[type=submit]:hover {
+        background-color: $primaryAccentColor;
+        color: $fgColorAlt;
+    }
+}
+
 @mixin label {
     label {
         display: flex;
diff --git a/src/components/editors/scss/invoice-headers.scss b/src/components/editors/scss/invoice-headers.scss
index ade428b..56055e7 100644
--- a/src/components/editors/scss/invoice-headers.scss
+++ b/src/components/editors/scss/invoice-headers.scss
@@ -42,6 +42,12 @@
         }
     }
 
+    .wrapper {
+        display: flex;
+        justify-content: space-between;
+        width: 44rem;
+    }
+
     // hide up/down arrows from number input
     input::-webkit-outer-spin-button,
     input::-webkit-inner-spin-button {
diff --git a/src/index.js b/src/index.js
index 593edf1..2a7a75d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,6 +1,65 @@
 import React from 'react';
 import ReactDOM from 'react-dom/client';
 import App from './App';
+import axios from 'axios';
+
+// For GET requests
+axios.interceptors.request.use(
+  config => {
+    const token = localStorage.getItem("accessToken");
+    if (token) config.headers.Authorization = token;
+    return config;
+  },
+  err => new Promise((resolve) => {
+    if (err.response && err.response.status === 401) {
+      err.config._retry = true;
+
+      const response = fetch("/auth/refresh", {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      })
+        .then((res) => res.json())
+        .then((res) => {
+          localStorage.setItem("accessToken", res.accessToken);
+          return axios(err.config);
+        })
+      resolve(response);
+    } else {
+      return Promise.reject(err);
+    }
+  })
+);
+
+// For POST requests
+axios.interceptors.response.use(
+  config => {
+    const token = localStorage.getItem("accessToken");
+    if (token) config.headers.Authorization = token;
+    return config;
+  },
+  err => new Promise((resolve) => {
+    if (err.response && err.response.status === 401 && err.config.url !== "/auth/login") {
+      err.config._retry = true;
+
+      const response = fetch("/auth/refresh", {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      })
+        .then((res) => res.json())
+        .then((res) => {
+          localStorage.setItem("accessToken", res.accessToken);
+          return axios(err.config);
+        })
+      resolve(response);
+    } else {
+      return Promise.reject(err);
+    }
+  })
+);
 
 const root = ReactDOM.createRoot(document.getElementById('root'));
 root.render(
diff --git a/src/views/invoice/new.js b/src/views/invoice/new.js
index 2d88e40..b1d601f 100644
--- a/src/views/invoice/new.js
+++ b/src/views/invoice/new.js
@@ -36,6 +36,8 @@ const NewInvoicePage = () => {
   const [roundOffTotal, setRoundOffTotal] = useState(true); //TODO: load from config
   //const [isInterstate, setIsInterstate] = useState(false);
   const [transport, setTransport] = useState(new Transport());
+  const [invoiceNumber, setInvoiceNumber] = useState("0"); // TODO: auto increment
+  const [invoiceDate, setInvoiceDate] = useState(new Date());
   const isInterstate = false; // temporary
   const [sum, setSum] = useState({
     GST: currency(0),
@@ -47,8 +49,8 @@ const NewInvoicePage = () => {
 
   const submitInvoice = () => {
     const invoice = new Invoice();
-    invoice.InvoiceNumber = 69; // TODO: set accordingly
-    invoice.CreatedAt = new Date();
+    invoice.InvoiceNumber = invoiceNumber;
+    invoice.CreatedAt = invoiceDate;
     invoice.TotalAmount = sum.Amount;
 
     const recipient = new Client();
@@ -67,7 +69,7 @@ const NewInvoicePage = () => {
     invoice.Note = ""; // TODO: set accordingly
     invoice.Draft = false; // TODO: set accordingly
 
-    saveInvoice(invoice, handleSuccess, handleFail)
+    saveInvoice(invoice, handleSuccess, handleFail);
   }
 
   const handleSuccess = () => {
@@ -102,7 +104,11 @@ const NewInvoicePage = () => {
           roundOff={roundOffTotal}
           setRoundOff={setRoundOffTotal}
           transport={transport}
-          setTransport={setTransport} />
+          setTransport={setTransport}
+          invoiceNumber={invoiceNumber}
+          setInvoiceNumber={setInvoiceNumber}
+          date={invoiceDate}
+          setDate={setInvoiceDate} />
         <div>
           <InvoiceSummary
             sum={sum}
diff --git a/src/views/login/login.js b/src/views/login/login.js
new file mode 100644
index 0000000..0283dc7
--- /dev/null
+++ b/src/views/login/login.js
@@ -0,0 +1,100 @@
+/* OpenBills-web - Web based libre billing software
+ * Copyright (C) 2022  Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
+
+ * 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/>.
+ */
+
+import './scss/login.scss';
+import { User, login } from '../../classes/user';
+
+import { Link, useNavigate } from 'react-router-dom';
+import { useState } from 'react';
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faEye } from '@fortawesome/free-solid-svg-icons'
+
+const LoginPage = () => {
+  const [user, setUser] = useState(new User());
+  const [showPassword, setShowPassword] = useState(false);
+  const navigate = useNavigate();
+
+  const validate = () => {
+    if (user.UserName.trim() === "") return false;
+    if (user.Password.length < 8) return false;
+    return true;
+  }
+
+  const handleInput = ({target: {name, value}}) =>
+    setUser(prev => ({...prev, [name]: value}));
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    login(user, handleSuccess, handleError);
+  }
+
+  const handleSuccess = (res) => {
+    localStorage.setItem("accessToken", res.data.accessToken)
+    navigate("/")
+  }
+
+  const handleError = (err) => {
+    console.log(err)
+    alert("fail")
+  }
+
+  return (
+    <div className={"login-page-wrapper"}>
+      <div className={"login-page"}>
+        <h1>Welcome To OpenBills!</h1>
+        <p>You are not logged in.</p>
+        <form onSubmit={handleSubmit}>
+          <label>
+            Username:
+            <input
+              className={"wider"}
+              name="UserName"
+              type="text"
+              value={user.UserName}
+              onChange={handleInput}/>
+          </label>
+          <label>
+            Password:
+            <span className={"input-with-icon"}>
+              <input
+                name="Password"
+                type={showPassword ? "text" : "password"}
+                value={user.Password}
+                onChange={handleInput} />
+              <FontAwesomeIcon
+                icon={faEye}
+                className={`icon ${showPassword ? "active" : ""}`}
+                onClick={(e) => {
+                  e.preventDefault();
+                  setShowPassword(i => !i);
+                }}/>
+            </span>
+          </label>
+          <hr/>
+          <div className={"buttons"}>
+            <Link to="/register">
+              <button>Create Account</button>
+            </Link>
+            <input type="submit" value="Log In" disabled={!validate()}/>
+          </div>
+        </form>
+      </div>
+    </div>
+  );
+}
+
+export default LoginPage;
diff --git a/src/views/login/register.js b/src/views/login/register.js
new file mode 100644
index 0000000..c747f59
--- /dev/null
+++ b/src/views/login/register.js
@@ -0,0 +1,104 @@
+/* OpenBills-web - Web based libre billing software
+ * Copyright (C) 2022  Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
+
+ * 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/>.
+ */
+
+import './scss/login.scss';
+import { User, validateEmail, validateUsername, validatePassword, saveUser } from '../../classes/user';
+
+import { Link } from 'react-router-dom';
+import { useState } from 'react';
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faEye } from '@fortawesome/free-solid-svg-icons'
+
+const RegisterPage = () => {
+  const [user, setUser] = useState(new User());
+  const [showPassword, setShowPassword] = useState(false);
+
+  const validate = () =>
+    validateUsername(user.UserName.trim()) &&
+    validateEmail(user.Email) &&
+    validatePassword(user.Password);
+
+  const handleInput = ({target: {name, value}}) =>
+    setUser(prev => ({...prev, [name]: value}));
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    saveUser(user, handleSuccess, handleError);
+  }
+
+  const handleSuccess = () => {
+    alert("yay")
+  }
+
+  const handleError = () => {
+    alert("fail")
+  }
+
+  return (
+    <div className={"register-page-wrapper"}>
+      <div className={"register-page"}>
+        <h1>Sign Up To OpenBills</h1>
+        <form onSubmit={handleSubmit}>
+          <label>
+            Username:
+            <input
+              className={"wider"}
+              name="UserName"
+              type="text"
+              value={user.UserName}
+              onChange={handleInput}/>
+          </label>
+          <label>
+            E-mail:
+            <input
+              className={"wider"}
+              name="Email"
+              type="text"
+              value={user.Email}
+              onChange={handleInput}/>
+          </label>
+          <label>
+            Password:
+            <span className={"input-with-icon"}>
+              <input
+                name="Password"
+                type={showPassword ? "text" : "password"}
+                value={user.Password}
+                onChange={handleInput} />
+              <FontAwesomeIcon
+                icon={faEye}
+                className={`icon ${showPassword ? "active" : ""}`}
+                onClick={(e) => {
+                  e.preventDefault();
+                  setShowPassword(i => !i);
+                }}/>
+            </span>
+          </label>
+          <hr/>
+          <div className={"buttons"}>
+            <Link to="/login">
+              <button>Log In Instead</button>
+            </Link>
+            <input type="submit" value="Sign Up" disabled={!validate()}/>
+          </div>
+        </form>
+      </div>
+    </div>
+  );
+}
+
+export default RegisterPage;
diff --git a/src/views/login/scss/login.scss b/src/views/login/scss/login.scss
new file mode 100644
index 0000000..1b2be62
--- /dev/null
+++ b/src/views/login/scss/login.scss
@@ -0,0 +1,67 @@
+@import "../../../colors";
+@import "../../../components/editors/scss/editor";
+
+.login-page-wrapper, .register-page-wrapper {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    width: 100%;
+    height: calc(100vh - 7rem);
+}
+
+.login-page, .register-page {
+    @include label;
+    @include button;
+    width: 95%;
+    max-width: 25rem;
+    margin-top: -6rem;
+    h1, p {
+        margin: 0.5rem 0;
+        text-align: center;
+    }
+
+    label {
+        margin: auto;
+        width: 98%;
+        max-width: none;
+    }
+
+    hr {
+        margin-top: 1rem;
+    }
+
+    .input-with-icon {
+        width: 100%;
+        max-width: 15rem;
+        input {
+            margin-right: 0.5rem;
+            width: 87%;
+        }
+        .icon {
+            cursor: pointer;
+            transition: color 0.2s;
+        }
+        .icon.active {color: $primaryAccentColor;}
+    }
+
+    input.wider {
+        max-width: 15rem;
+    }
+
+    .buttons {
+        margin: 1rem 0;
+        display: flex;
+        justify-content: center;
+        button {width: 10rem;}
+        button, input[type=submit] {
+            margin: 0 1rem;
+        }
+    }
+
+    input[type=submit]:disabled {
+        border-color: $warningColor;
+    }
+    input[type=submit]:disabled:hover {
+        background-color: $warningColor;
+    }
+}
diff --git a/src/views/manage/scss/management-page.scss b/src/views/manage/scss/management-page.scss
index f61b62d..85fbe7b 100644
--- a/src/views/manage/scss/management-page.scss
+++ b/src/views/manage/scss/management-page.scss
@@ -15,13 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-@import "../../../styles";
-
-@include floating-window;
-
-hr {
-  margin: 0.8rem auto 1rem auto;
-}
+@import "../../../colors";
 
 .manage-links {
   max-width: 40rem;