Added price tracking cards

src/filamentTracker/getFilamentPrices.php

@@ -4,31 +4,32 @@ require '../db.php';
 require_once '../envLoader.php';
 loadEnv(__DIR__ . '/../../.env');
 
-// Check if the user is logged in
-if (!isset($_SESSION['userId'])) {
-    echo json_encode(['status' => 'error', 'message' => 'User not authenticated.']);
-    exit;
-}
+include '../src/session_check.php';
 
 header('Content-Type: application/json');
 
-// Fetch all filament prices from the database
 try {
+    // Fetch all filament prices with a limit of 180 entries per filament using JOIN
     $stmt = $pdo->query("
-        SELECT 
-            ft.filamentName, 
-            ft.brand,
-            ft.material,
-            ft.color,
-            fp.price,
-            fp.recordedAt
-        FROM 
-            filamentTracker ft
-        JOIN 
-            filamentPriceHistory fp ON ft.id = fp.filamentId
-        ORDER BY 
-            ft.filamentName, 
-            fp.recordedAt ASC
+        SELECT ft.filamentName, 
+               ft.brand,
+               ft.material,
+               ft.color,
+               ft.amazonUrl,
+               fp.price,
+               fp.recordedAt
+        FROM filamentTracker ft
+        JOIN filamentPriceHistory fp ON ft.id = fp.filamentId
+        JOIN (
+            SELECT filamentId, recordedAt
+            FROM (
+                SELECT filamentId, recordedAt,
+                    ROW_NUMBER() OVER (PARTITION BY filamentId ORDER BY recordedAt DESC) as rn
+                FROM filamentPriceHistory
+            ) ranked
+            WHERE rn <= 180
+        ) filtered ON fp.filamentId = filtered.filamentId AND fp.recordedAt = filtered.recordedAt
+        ORDER BY ft.filamentName, fp.recordedAt ASC
     ");
     
     $filaments = $stmt->fetchAll(PDO::FETCH_ASSOC);
@@ -44,6 +45,7 @@ try {
                 'brand' => $filament['brand'],
                 'material' => $filament['material'],
                 'color' => $filament['color'],
+                'amazonUrl' => $filament['amazonUrl'],
                 'prices' => []
             ];
         }