Added: Stats in dashboard

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/models/Refuel.php

@@ -34,4 +34,59 @@ class Refuel {
             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

@@ -7,41 +7,56 @@
         <a href="/vehicles" class="btn-primary">List all vehicles</a>
     </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>

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;

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;
 }