In progress: offline fuel record creation

.gitea/workflows/deploy.yaml

@@ -0,0 +1,36 @@
+name: Build and Deploy Zola Website
+
+on:
+  push:
+    branches:
+      - master
+env:
+  HOST: ${{ secrets.SERVER_IP }}
+  SSH_USERNAME: ${{ secrets.USERNAME }}
+  SSH_PRIVATE_KEY: ${{ secrets.DEPLOY_KEY }}
+  DEST_FOLDER: "/srv/www/cz/filiprojek/fuelstats"
+
+jobs:
+  build_and_deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Deploy
+        run: |
+          apt update -y && apt-get install -y --no-install-recommends rsync
+          eval "$(ssh-agent -s)"
+          ssh-add - <<< "${SSH_PRIVATE_KEY}"
+          mkdir -p ~/.ssh/
+          ssh-keyscan -H ${HOST} >> ~/.ssh/known_hosts
+          rsync -r --delete-after ./* "${SSH_USERNAME}@${HOST}:${{ env.DEST_FOLDER }}"
+
+      - name: Copy environment.php
+        run: |
+          eval "$(ssh-agent -s)"
+          ssh-add - <<< "${SSH_PRIVATE_KEY}"
+          mkdir -p ~/.ssh/
+          ssh-keyscan -H ${HOST} >> ~/.ssh/known_hosts
+          ssh ${SSH_USERNAME}@${HOST} "cp /var/websrvenv/environment.php /srv/www/cz/filiprojek/fuelstats/config/environment.php"

TODO.md

@@ -6,13 +6,10 @@
 - [ ] edit user data - change password, mail...
 
 ## Core of the app
-- [ ] header and navbar
-- [ ] dashboard
-  - [x] css
-  - [ ] its just plain
-  - [ ] graphs
-- [x] Habits list
-  - [ ] css
-- [ ] Habits create
-  - [ ] validate cron input
-- [ ] Habits track
+- [ ] intro tutorial when no car exist or just dont show anything
+- [ ] change/set default car
+- [ ] specific car view - charts, fuel records
+- [ ] remove/edit fuel record
+
+- [ ] IndexDB
+  - [ ] 

app/controllers/DashboardController.php

@@ -4,9 +4,35 @@ class DashboardController extends Controller {
         $vehicle = new Vehicle();
         $vehicles = $vehicle->getVehiclesByUser($_SESSION['user']['id']);
 
+        $default_car = $vehicle->getDefaultVehicle($_SESSION['user']['id']);
+
+        $refuel = new Refuel();
+        $data = [
+            "date" => [],
+            "price" => [],
+        ];
+        $raw_data = $refuel->latest_data($default_car['id'], 5);
+        foreach($raw_data as $one) {
+            array_push($data['date'], date('d. m.', strtotime($one['created_at'])));
+            array_push($data['price'], $one['price_per_liter']);
+        }
+
+        $latest_record = [
+            'name',
+            'liters',
+            'price_per_liter',
+            'total_price',
+            'created_at'
+        ];
+
+        $latest_record = $refuel->latest_one($_SESSION['user']['id'])[0];
+
         $this->view('dashboard/index', [
             'title' => 'Dashboard',
             'vehicles' => $vehicles,
+            'date_price_data' => $data,
+            'default_car' => $default_car,
+            'latest_record' => $latest_record,
         ]);
     }
 

app/controllers/RefuelController.php

@@ -0,0 +1,85 @@
+<?php
+
+class RefuelController extends Controller {
+    public function create() {
+        if($_SERVER['REQUEST_METHOD'] === 'GET'){
+            $vehicle = new Vehicle();
+            $vehicles = $vehicle->getVehiclesByUser($_SESSION['user']['id']);
+            $this->view('refuel/create', [
+                'title' => "New refuel record",
+                'vehicles' => $vehicles,
+            ]);
+            return;
+        }
+
+        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+            $vehicle_id = $_POST['vehicle'] ?? '';
+            $fuel_type = $_POST['fuel_type'] ?? '';
+            $liters = $_POST['liters'] ?? '';
+            $price_per_liter = $_POST['price_per_liter'] ?? '';
+            $total_price = $_POST['total_price'] ?? '';
+            $note = $_POST['note'] ?? '';
+
+            $validator = new Validator();
+            $validator->required('vehicle', $vehicle_id);
+            $validator->required('fuel_type', $fuel_type);
+            $validator->required('liters', $liters);
+            $validator->required('price_per_liter', $price_per_liter);
+            $validator->required('total_price', $total_price);
+            $validator->number('liters', $liters);
+            $validator->number('price_per_liter', $price_per_liter);
+            $validator->number('total_price', $total_price);
+
+            if (round($liters * $price_per_liter, 2) != $total_price) {
+                $validator->setErrors(["total_price" => "Price calculation is wrong"]);
+            }
+ 
+            if($note == "") $note = NULL;
+
+            if (!$validator->passes()) {
+                $vehicle = new Vehicle();
+                $vehicles = $vehicle->getVehiclesByUser($_SESSION['user']['id']);
+                $this->view('refuel/create', [
+                    'error' => 'Please correct the errors below.',
+                    'validationErrors' => $validator->errors() ?: [],
+                    'vehicles' => $vehicles,
+                    'title' => 'New refuel record',
+                ]);
+                return;
+            }
+
+            $record = new Refuel();
+            $result = $record->create([
+                'user_id' => $_SESSION['user']['id'],
+                'vehicle_id' => $vehicle_id,
+                'fuel_type' => $fuel_type,
+                'note' => $note,
+                'liters' => $liters,
+                'price_per_liter' => $price_per_liter,
+                'total_price' => $total_price,
+            ]);
+
+            if ($result === true) {
+                $this->redirect('/');
+            } else {
+                $vehicle = new Vehicle();
+                $vehicles = $vehicle->getVehiclesByUser($_SESSION['user']['id']);
+                $this->view('refuel/create', [
+                    'title' => 'New refuel record',
+                    'error' => $result,
+                    'validationErrors' => [],
+                    'vehicles' => $vehicles,
+                ]);
+            }
+            return;
+        }
+    }
+
+    public function edit() {
+        // Edit refuel record (to be implemented later)
+    }
+
+    public function delete() {
+        // Delete refuel record (to be implemented later)
+    }
+}

app/controllers/VehicleController.php

@@ -22,7 +22,7 @@ class VehicleController extends Controller {
             if($note == "") $note = NULL;
 
             if (!$validator->passes()) {
-                $this->view('vehicle/create', [
+                $this->view('vehicles/create', [
                     'error' => 'Please correct the errors below.',
                     'validationErrors' => $validator->errors() ?: [],
                 ]);

app/models/Refuel.php

@@ -0,0 +1,92 @@
+<?php
+
+class Refuel {
+    private $db;
+
+    public function __construct() {
+        $this->db = Database::getInstance()->getConnection();
+    }
+
+    public function create($data) {
+        try{
+            $stmt = $this->db->prepare("
+                INSERT INTO refueling_records (user_id, vehicle_id, fuel_type, note, liters, price_per_liter, total_price, created_at)
+                VALUES (?, ?, ?, ?, ?, ?, ?, NOW())
+            ");
+
+            $stmt->bind_param(
+                "iissddd",
+                $data['user_id'],
+                $data['vehicle_id'],
+                $data['fuel_type'],
+                $data['note'],
+                $data['liters'],
+                $data['price_per_liter'],
+                $data['total_price'],
+            );
+
+            if ($stmt->execute()) {
+                return true;
+            } else {
+                return "Error: " . $stmt->error;
+            }
+        } catch(mysqli_sql_exception $e) {
+            return $e->getMessage();
+        }
+    }
+
+    public function latest_data($vehicle_id, $record_count) {
+        try {
+            $stmt = $this->db->prepare("
+                SELECT `liters`, `price_per_liter`, `total_price`, `created_at`
+                FROM `refueling_records`
+                WHERE `vehicle_id` = ?
+                ORDER BY created_at DESC
+                LIMIT ?;
+            ");
+
+            $stmt->bind_param("ii", $vehicle_id, $record_count);
+            if ($stmt->execute()) {
+                $result = $stmt->get_result();
+                $data = $result->fetch_all(MYSQLI_ASSOC);
+                $stmt->close();
+                return array_reverse($data);
+            } else {
+                return "Error: " . $stmt->error;
+            }
+        } catch (mysqli_sql_exception $e) {
+            return $e->getMessage();
+        }
+    }
+
+    public function latest_one($user_id, $record_count = 1) {
+        try {
+            $stmt = $this->db->prepare("
+                SELECT 
+                    `r`.`vehicle_id`, 
+                    `v`.`name` AS `vehicle_name`, 
+                    `r`.`liters`, 
+                    `r`.`price_per_liter`, 
+                    `r`.`total_price`, 
+                    `r`.`created_at`
+                FROM `refueling_records` AS `r`
+                JOIN `vehicles` AS `v` ON `r`.`vehicle_id` = `v`.`id`
+                WHERE `r`.`user_id` = ?
+                ORDER BY `r`.`created_at` DESC
+                LIMIT ?;
+            ");
+
+            $stmt->bind_param("ii", $user_id, $record_count);
+            if ($stmt->execute()) {
+                $result = $stmt->get_result();
+                $data = $result->fetch_all(MYSQLI_ASSOC);
+                $stmt->close();
+                return array_reverse($data);
+            } else {
+                return "Error: " . $stmt->error;
+            }
+        } catch (mysqli_sql_exception $e) {
+            return $e->getMessage();
+        }
+    }
+}

app/models/Vehicle.php

@@ -33,9 +33,9 @@ class Vehicle {
         }
     }
 
-    public function getVehiclesByUser($userId) {
+    public function getVehiclesByUser($user_id) {
         $stmt = $this->db->prepare("SELECT id, name, registration_plate, fuel_type, note, created_at FROM vehicles WHERE user_id = ?");
-        $stmt->bind_param("i", $userId);
+        $stmt->bind_param("i", $user_id);
         $stmt->execute();
         $result = $stmt->get_result();
 
@@ -46,4 +46,18 @@ class Vehicle {
         
         return $vehicles;
     }
+
+    public function getDefaultVehicle($user_id) {
+        $stmt = $this->db->prepare("
+            SELECT id, name, registration_plate, fuel_type, note, is_default
+            FROM vehicles
+            WHERE user_id = ? AND is_default = TRUE
+            LIMIT 1
+        ");
+        $stmt->bind_param("i", $user_id);
+        $stmt->execute();
+        $result = $stmt->get_result();
+
+        return $result->fetch_assoc();
+    }
 }

app/views/dashboard/index.php

@@ -3,45 +3,62 @@
 <section class="dashboard">
     <h1>Welcome, <?= htmlspecialchars($_SESSION['user']['username']) ?>!</h1>
     <div>
-        <a href="/refuel/add" class="btn-green">Add new refuel record!</a>
+        <a href="/refuel/create" class="btn-green">Add new refuel record!</a>
         <a href="/vehicles" class="btn-primary">List all vehicles</a>
+        <button class="btn-primary" id="btn-offline-add">Add new refuel record OFFLINE</button>
     </div>
     <div class="card-wrapper">
-        <section class="card upcoming">
-            <h2>Upcoming</h2>
-            <div class="habit">
-                <b>Habit Title</b>
-                <p>Frequency</p>
-                <p>Reward points</p>
+        <section class="card latest">
+            <h2>Latest fuel record</h2>
+            <hr>
+            <div>
+                <b>Car:</b>
+                <p><?= $data['latest_record']['vehicle_name'] ?></p>
+                <b>Liters:</b>
+                <p><?= $data['latest_record']['liters'] ?> liters</p>
+                <b>Price per liter:</b>
+                <p><?= $data['latest_record']['price_per_liter'] ?>,-/liter</p>
+                <b>Total price:</b>
+                <p><?= $data['latest_record']['total_price'] ?>,-</p>
             </div>
         </section>
 
-        <section class="card recent">
-            <h2>Recent</h2>
-            <div class="habit">
-                <b>Habit Title</b>
-                <p>Frequency</p>
-                <p>Reward points</p>
-            </div>
-        </section>
-
-        <section class="card missed">
-            <h2>Missed</h2>
-            <div class="habit">
-                <b>Habit Title</b>
-                <p>Frequency</p>
-                <p>Reward points</p>
-            </div>
+        <section class="card">
+            <h2>Default car</h2>
+            <hr>
+            <b>Car</b>
+            <p><?= $data['default_car']['name'] ?></p>
+            <b>Registration plate</b>
+            <p><?= $data['default_car']['registration_plate'] ?></p>
+            <b>Fuel type</b>
+            <p><?= $data['default_car']['fuel_type'] ?></p>
+            <b>Note</b>
+            <p><?= $data['default_car']['note'] ?></p>
         </section>
 
         <section class="card history-graph">
-            <h2>Graph of History</h2>
-        </section>
-
-        <section class="card streak">
-            <h2>Streak</h2>
-            <p>You're current streak is 123 days</p>
-            <p>Good job!</p>
+            <h2>Chart of Gas price</h2>
+            <hr>
+            <p><?= $data['default_car']['name'] . " | " . $data['default_car']['registration_plate']?></p>
+            <canvas id="chart-gas-price"></canvas>
         </section>
     </div>
 </section>
+<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+<script>
+    const ctx = document.getElementById('chart-gas-price');
+    const data = <?= json_encode($data['date_price_data']); ?>;
+
+    new Chart(ctx, {
+        type: 'line',
+        data: {
+            labels: [...data['date']],
+            datasets: [{
+                label: 'Gas price history',
+                data: data['price'],
+                borderWidth: 1,
+            }]
+        },
+    });
+</script>
+<script defer src="/js/offline-records.js"></script>

app/views/layouts/base.php

@@ -6,7 +6,7 @@
     <meta name="author" content="Filip Rojek | http://filiprojek.cz">
     <meta name="email" content="webmaster(@)fofrweb.com">
     <meta name="copyright" content="(c) filiprojek.cz">
-    <title>Fuel Stats | <?= $data['title'] ?></title>
+    <title>Fuel Stats<?= isset($data['title']) ? " | " . $data['title'] : "" ?></title>
     <link rel="stylesheet" href="/css/main.css">
     <link rel="stylesheet" href="/css/global.css">
     <link rel="stylesheet" href="/css/vars.css">
@@ -17,7 +17,7 @@
     <header>
       <div id="hd-left">
         <a href="/"><img src="/img/logo.jpg" alt="home"></a>
-        <label><?= $data['title'] ?></label>
+        <label><?= isset($data['title']) ? $data['title'] : "" ?></label>
       </div>
       <div id="hd-right">
         <?php if (!isset($_SESSION['user'])): ?>

app/views/layouts/noheader.php

@@ -6,7 +6,7 @@
     <meta name="author" content="Filip Rojek | http://filiprojek.cz">
     <meta name="email" content="webmaster(@)fofrweb.com">
     <meta name="copyright" content="(c) filiprojek.cz">
-    <title>Fuel Stats | <?= $data['title'] ?></title>
+    <title>Fuel Stats<?= isset($data['title']) ? " | " . $data['title'] : "" ?></title>
     <link rel="stylesheet" href="/css/main.css">
     <link rel="stylesheet" href="/css/global.css">
     <link rel="stylesheet" href="/css/vars.css">

app/views/refuel/create.php

@@ -0,0 +1,119 @@
+<link rel="stylesheet" href="/css/form.css">
+<link rel="stylesheet" href="/css/vehicle_create.css">
+<section class="form">
+    <h1 class="header-form"><?= $this->get('title') ?></h1>
+
+    <?php if ($this->get('error')): ?>
+        <div class="error" style="color: red; margin-bottom: 1rem;">
+            <?= htmlspecialchars($this->get('error')) ?>
+        </div>
+    <?php endif; ?>
+
+    <form method="POST" action="/refuel/create">
+        <label for="vehicle">Vehicle</label>
+        <select name="vehicle" id="vehicle">
+        <?php foreach ($this->get('vehicles') as $vehicle): ?>
+            <option value="<?= $vehicle['id'] ?>"><?= $vehicle['name'] . " | " . $vehicle['registration_plate'] ?></option>
+        <?php endforeach; ?>
+        </select>
+        <?php if (isset($this->get('validationErrors')['vehicle'])): ?>
+            <small class="error"><?= $this->get('validationErrors')['vehicle'] ?></small>
+        <?php endif; ?>
+
+        <label for="fuel_type">Fuel type</label>
+        <select name="fuel_type" id="fuel_type">
+            <option value="Diesel">Diesel</option>
+            <option value="Gasoline 95">Gasoline 95</option>
+            <option value="Gasoline 98">Gasoline 98</option>
+            <option value="Premium Diesel">Premium Diesel</option>
+            <option value="Premium Gasoline 95">Premium Gasoline 95</option>
+            <option value="Premium Gasoline 98">Premium Gasoline 98</option>
+            <option value="Other">Other</option>
+        </select>
+        <?php if (isset($this->get('validationErrors')['fuel_type'])): ?>
+            <small class="error"><?= $this->get('validationErrors')['fuel_type'] ?></small>
+        <?php endif; ?>
+
+        <label for="liters">Liters</label>
+        <input type="number" name="liters" id="liters" min="0" step=".01" value="<?= htmlspecialchars($_POST['liters'] ?? '0.0') ?>">
+        <?php if (isset($this->get('validationErrors')['liters'])): ?>
+            <small class="error"><?= $this->get('validationErrors')['liters'] ?></small>
+        <?php endif; ?>
+
+        <label for="price_per_liter">Price per liter</label>
+        <input type="number" name="price_per_liter" id="price_per_liter" min="0" step=".01" value="<?= htmlspecialchars($_POST['price_per_liter'] ?? '0.0') ?>">
+        <?php if (isset($this->get('validationErrors')['price_per_liter'])): ?>
+            <small class="error"><?= $this->get('validationErrors')['price_per_liter'] ?></small>
+        <?php endif; ?>
+
+        <label for="total_price">Total price</label>
+        <input type="number" name="total_price" id="total_price" min="0" step=".01" value="<?= htmlspecialchars($_POST['total_price'] ?? '0.0') ?>">
+        <?php if (isset($this->get('validationErrors')['total_price'])): ?>
+            <small class="error"><?= $this->get('validationErrors')['total_price'] ?></small>
+        <?php endif; ?>
+
+        <label for="note">Note</label>
+        <input type="text" name="note" id="note" value="<?= htmlspecialchars($_POST['note'] ?? '') ?>">
+        <?php if (isset($this->get('validationErrors')['note'])): ?>
+            <small class="error"><?= $this->get('validationErrors')['note'] ?></small>
+        <?php endif; ?>
+
+        <input type="submit" value="Create fuel record">
+    </form>
+</section>
+
+<script>
+    const inp_lit = document.querySelector("input#liters") 
+    const inp_ppl = document.querySelector("input#price_per_liter")
+    const inp_tot = document.querySelector("input#total_price")
+
+    const rnd = (num) => Math.round((num + Number.EPSILON) * 100) / 100
+
+    function calculate(){
+        let liters = Number(inp_lit.value)
+        let price_per_liter = Number(inp_ppl.value)
+        let total_price = Number(inp_tot.value)
+
+        if(price_per_liter > 0 && liters > 0) {
+            total_price = rnd(liters * price_per_liter)
+        }
+
+        if(price_per_liter > 0 && total_price > 0) {
+            liters = rnd(total_price / price_per_liter)
+        }
+
+        if(liters > 0 && total_price > 0) {
+            price_per_liter = rnd(total_price / liters)
+        }
+
+        inp_lit.value = liters
+        inp_ppl.value = price_per_liter
+        inp_tot.value = total_price
+    }
+
+    [inp_lit, inp_ppl, inp_tot].forEach(inp => {
+        inp.addEventListener("change", () => {
+            calculate()
+        })
+    })
+
+    const vehicles = <?= json_encode($data['vehicles']); ?>;
+    const fuel_sel = document.querySelector("#fuel_type")
+    const vehic_sel = document.querySelector("#vehicle")
+
+    function selectFuel() {
+        const veh_id = vehic_sel.value
+        vehicles.forEach(el => {
+            if(el.id == veh_id) {
+                fuel_sel.value = el.fuel_type
+                return
+            }
+        })
+    }
+
+    selectFuel()
+
+    vehic_sel.addEventListener("change", () => {
+        selectFuel()
+    })
+</script>

app/views/vehicles/create.php

@@ -9,7 +9,7 @@
         </div>
     <?php endif; ?>
 
-    <form method="POST" action="/vehicles/add">
+    <form method="POST" action="/vehicles/create">
         <label for="name">Vehicle name</label>
         <input type="text" name="name" id="name" required value="<?= htmlspecialchars($_POST['name'] ?? '') ?>">
 

app/views/vehicles/index.php

@@ -1,19 +1,24 @@
 <link rel="stylesheet" href="/css/vehicles.css">
 <section class="vehicles">
     <?php if (empty($this->get('vehicles'))): ?>
-        <p>No vehicles yet. <a href="/vehicles/add">Add your first vehicle</a>.</p>
+        <p>No vehicles yet. <a href="/vehicles/create">Add your first vehicle</a>.</p>
     <?php else: ?>
+        <div class="btn-wrapper">
+            <a href="/vehicles/create" class="btn-green">Add new vehicle!</a>
+        </div>
         <div class="vehicle-wrapper">
         <?php foreach ($this->get('vehicles') as $vehicle): ?>
             <div class="vehicle bordered">
                 <b><?= htmlspecialchars($vehicle['name']) ?></b>
-                <a href="/vehicles/edit?id=<?= $vehicle['id'] ?>">Edit</a> |
-                <a href="/vehicles/delete?id=<?= $vehicle['id'] ?>" onclick="return confirm('Are you sure you want to delete this habit?')">Delete</a>
+                <p><?= htmlspecialchars($vehicle['registration_plate']) ?></p>
+                <p><?= htmlspecialchars($vehicle['fuel_type']) ?></p>
+                <p><?= htmlspecialchars($vehicle['note'] ?? "") ?></p>
+                <div class="actions">
+                    <a href="/vehicles/edit?id=<?= $vehicle['id'] ?>">Edit</a>
+                    <a href="/vehicles/delete?id=<?= $vehicle['id'] ?>" onclick="return confirm('Are you sure you want to delete this habit?')">Delete</a>
+                </div>
             </div>
         <?php endforeach; ?>
         </div>
-
-        <br>
-        <a href="/vehicles/create" class="btn-green">Add new vehicle!</a>
     <?php endif; ?>
 </section>

core/Database.php

@@ -79,6 +79,7 @@ class Database {
                 registration_plate VARCHAR(50) NOT NULL UNIQUE,
                 fuel_type ENUM('Diesel', 'Gasoline 95', 'Gasoline 98', 'Premium Diesel', 'Premium Gasoline 95', 'Premium Gasoline 98', 'Other') NOT NULL,
                 note VARCHAR(150) NULL,
+                is_default BOOLEAN DEFAULT FALSE NOT NULL,
                 created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
                 FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
             ) ENGINE=InnoDB;
@@ -91,13 +92,16 @@ class Database {
         $refuelingTableQuery = "
             CREATE TABLE IF NOT EXISTS refueling_records (
                 id INT AUTO_INCREMENT PRIMARY KEY,
+                user_id INT NOT NULL,
                 vehicle_id INT NOT NULL,
                 fuel_type ENUM('Diesel', 'Gasoline 95', 'Gasoline 98', 'Premium Diesel', 'Premium Gasoline 95', 'Premium Gasoline 98', 'Other') NOT NULL,
-                liters DECIMAL(10, 2) NOT NULL,
-                price_per_liter DECIMAL(10, 2) NOT NULL,
-                total_price DECIMAL(10, 2) NOT NULL,
+                note VARCHAR(150) NULL,
+                liters DOUBLE(10, 2) NOT NULL,
+                price_per_liter DOUBLE(10, 2) NOT NULL,
+                total_price DOUBLE(10, 2) NOT NULL,
                 created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-                FOREIGN KEY (vehicle_id) REFERENCES vehicles(id) ON DELETE CASCADE
+                FOREIGN KEY (vehicle_id) REFERENCES vehicles(id) ON DELETE CASCADE,
+                FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
             ) ENGINE=InnoDB;
         ";
 

core/Validator.php

@@ -12,6 +12,15 @@ class Validator {
         }
     }
 
+    /**
+     * Check if a field contains numbers
+     */
+    public function number($field, $value, $message = null) {
+        if(!is_numeric($value)) {
+            $this->errors[$field] = $message ?? "$field must be an number";
+        }
+    }
+
     /**
      * Check if a field meets minimum length
      */
@@ -46,6 +55,10 @@ class Validator {
         return $this->errors;
     }
 
+    public function setErrors($errors) {
+        $this->errors = $errors;
+    }
+
     /**
      * Check if validation passed
      */

public/css/dashboard.css

@@ -16,6 +16,6 @@
   background-color: var(--clr-secondary);
   border-radius: var(--border-radious);
   border: var(--borderWidth-thin) solid var(--clr-border);
-  min-width: 17rem;
+  width: 18rem;
   padding: 1rem;
 }

public/css/global.css

@@ -27,6 +27,7 @@ h1 {
 	cursor: pointer;
 	border-radius: var(--border-radious);
 	border: var(--borderWidth-thin) solid var(--clr-border);
+	color: white;
 }
 
 .btn-secondary {

public/css/habits_dashboard.css

@@ -1,15 +0,0 @@
-.habits-wrapper {
-  display: flex;
-  gap: 1rem;
-  flex-wrap: wrap;
-  justify-content: center;
-}
-
-.habits .bordered {
-  border-radius: var(--border-radious);
-  border: var(--borderWidth-thin) solid var(--clr-border);
-  width: 17rem;
-  padding: 1rem;
-  margin-top: 1rem;
-  text-align: center;
-}

public/css/vehicles.css

@@ -0,0 +1,29 @@
+.vehicle-wrapper {
+	align-items: center;
+	display: flex;
+	flex-wrap: wrap;
+	gap: 1rem;
+	justify-content: center;
+}
+
+.vehicle {
+	display: flex;
+	flex-direction: column;
+	align-items: center;
+	justify-content: center;
+	background-color: var(--clr-secondary);
+	border-radius: var(--border-radious);
+	border: var(--borderWidth-thin) solid var(--clr-border);
+	width: 17rem;
+	padding: 1rem;
+	margin-top: 1rem;
+	text-align: center;
+	min-height: 8rem;
+}
+
+.btn-wrapper {
+	display: flex;
+	justify-content: center;
+	align-items: center;
+	margin-bottom: 1rem;
+}

public/index.php

@@ -21,7 +21,7 @@ require_once '../core/middlewares/RequireAuth.php';
 
 require_once models . 'User.php';
 require_once models . 'Vehicle.php';
-#require_once models . 'Refueling.php';
+require_once models . 'Refuel.php';
 
 // Initialize router
 $router = new Router();
@@ -41,12 +41,16 @@ $router->group('/auth', [], function ($router) {
 // dashboard route
 $router->add('/dashboard', 'DashboardController@index', ['RequireAuth']);
 
-// habits routes
+// vehicle routes
 $router->group('/vehicles', ['RequireAuth'], function ($router) {
     $router->add('', 'VehicleController@index');
-    $router->add('/add', 'VehicleController@create');
+    $router->add('/create', 'VehicleController@create');
     $router->add('/edit/{id}', 'VehicleController@edit');
     $router->add('/delete/{id}', 'VehicleController@delete');
 });
 
+$router->group('/refuel', ['RequireAuth'], function ($router) {
+    $router->add('/create', 'RefuelController@create');
+});
+
 $router->dispatch();

public/js/offline-records.js

@@ -0,0 +1,98 @@
+async function checkOnline() {
+	if (!navigator.onLine) {
+		console.log("Offline (no network connection)");
+		return false;
+	}
+
+	try {
+		const response = await fetch(
+			"https://www.google.com/favicon.ico?" + new Date().getTime(),
+			{
+				mode: "no-cors",
+			},
+		);
+		return true;
+	} catch (error) {
+		console.log("Connected to network but no internet access");
+		return false;
+	}
+}
+
+setInterval(async () => {
+	const isOnline = await checkOnline();
+	if (!isOnline) {
+		console.log("OFFLINE!!!");
+	}
+}, 5000);
+
+const offbtn = document.querySelector("#btn-offline-add");
+offbtn.addEventListener("click", (e) => {
+	e.preventDefault();
+	document.querySelector("section.dashboard").style.display = "none";
+	const offline = document.createElement("div");
+	offline.classList.add("offline");
+	offline.innerHTML = `
+    <b>You're Offline</b>
+    <p>You can create an fuel record locally on your device and sync it later</p>
+    <section class="form">
+        <h1 class="header-form"><?= $this->get('title') ?></h1>
+        <!-- <?php if ($this->get('error')): ?> -->
+        <!--     <div class="error" style="color: red; margin-bottom: 1rem;"> -->
+        <!--         <?= htmlspecialchars($this->get('error')) ?> -->
+        <!--     </div> -->
+        <!-- <?php endif; ?> -->
+        <form method="POST" action="/refuel/create">
+            <label for="vehicle">Vehicle</label>
+            <select name="vehicle" id="vehicle">
+            <!-- <?php foreach ($this->get('vehicles') as $vehicle): ?> -->
+            <!--     <option value="<?= $vehicle['id'] ?>"><?= $vehicle['name'] . " | " . $vehicle['registration_plate'] ?></option> -->
+            <!-- <?php endforeach; ?> -->
+            </select>
+            <!-- <?php if (isset($this->get('validationErrors')['vehicle'])): ?> -->
+            <!--     <small class="error"><?= $this->get('validationErrors')['vehicle'] ?></small> -->
+            <!-- <?php endif; ?> -->
+
+            <label for="fuel_type">Fuel type</label>
+            <select name="fuel_type" id="fuel_type">
+                <option value="Diesel">Diesel</option>
+                <option value="Gasoline 95">Gasoline 95</option>
+                <option value="Gasoline 98">Gasoline 98</option>
+                <option value="Premium Diesel">Premium Diesel</option>
+                <option value="Premium Gasoline 95">Premium Gasoline 95</option>
+                <option value="Premium Gasoline 98">Premium Gasoline 98</option>
+                <option value="Other">Other</option>
+            </select>
+            <!-- <?php if (isset($this->get('validationErrors')['fuel_type'])): ?> -->
+            <!--     <small class="error"><?= $this->get('validationErrors')['fuel_type'] ?></small> -->
+            <!-- <?php endif; ?> -->
+
+            <label for="liters">Liters</label>
+            <input type="number" name="liters" id="liters" min="0" step=".01" value="<?= htmlspecialchars($_POST['liters'] ?? '0.0') ?>">
+            <!-- <?php if (isset($this->get('validationErrors')['liters'])): ?> -->
+            <!--     <small class="error"><?= $this->get('validationErrors')['liters'] ?></small> -->
+            <!-- <?php endif; ?> -->
+
+            <label for="price_per_liter">Price per liter</label>
+            <input type="number" name="price_per_liter" id="price_per_liter" min="0" step=".01" value="<?= htmlspecialchars($_POST['price_per_liter'] ?? '0.0') ?>">
+            <!-- <?php if (isset($this->get('validationErrors')['price_per_liter'])): ?> -->
+            <!--     <small class="error"><?= $this->get('validationErrors')['price_per_liter'] ?></small> -->
+            <!-- <?php endif; ?> -->
+
+            <label for="total_price">Total price</label>
+            <input type="number" name="total_price" id="total_price" min="0" step=".01" value="<?= htmlspecialchars($_POST['total_price'] ?? '0.0') ?>">
+            <!-- <?php if (isset($this->get('validationErrors')['total_price'])): ?> -->
+            <!--     <small class="error"><?= $this->get('validationErrors')['total_price'] ?></small> -->
+            <!-- <?php endif; ?> -->
+
+            <label for="note">Note</label>
+            <input type="text" name="note" id="note" value="<?= htmlspecialchars($_POST['note'] ?? '') ?>">
+            <!-- <?php if (isset($this->get('validationErrors')['note'])): ?> -->
+            <!--     <small class="error"><?= $this->get('validationErrors')['note'] ?></small> -->
+            <!-- <?php endif; ?> -->
+
+            <input type="submit" value="Create fuel record">
+        </form>
+    </section>
+  `;
+	document.querySelector("main").appendChild(offline);
+});