feat: implement core backend API structure and frontend service layer for case management and authentication

backend/routes/dashboard.py

@@ -0,0 +1,51 @@
+from flask import Blueprint, jsonify
+from ..db import get_db_connection, release_db_connection
+from ..middleware import token_required
+
+dashboard_blueprint = Blueprint('dashboard', __name__)
+
+@dashboard_blueprint.route('/dashboard/stats', methods=['GET'])
+@token_required
+def get_stats(current_user_id):
+    conn = get_db_connection()
+    cur = conn.cursor()
+    
+    # 1. Total cases
+    cur.execute("SELECT COUNT(*) FROM cases WHERE user_id = %s", (current_user_id,))
+    total_cases = cur.fetchone()[0]
+    
+    # 2. Cases by status
+    cur.execute("SELECT status, COUNT(*) FROM cases WHERE user_id = %s GROUP BY status", (current_user_id,))
+    status_rows = cur.fetchall()
+    cases_by_status = {row[0]: row[1] for row in status_rows}
+    
+    # 3. Total active integrations
+    cur.execute("SELECT COUNT(*) FROM credentials WHERE user_id = %s", (current_user_id,))
+    total_integrations = cur.fetchone()[0]
+    
+    # 4. List of connected platforms
+    cur.execute("SELECT platform FROM credentials WHERE user_id = %s", (current_user_id,))
+    platforms = [row[0] for row in cur.fetchall()]
+    
+    # 5. Recent activity (last 5 cases)
+    cur.execute("SELECT id, platform, violator_article, status, created_at FROM cases WHERE user_id = %s ORDER BY created_at DESC LIMIT 5", (current_user_id,))
+    recent_rows = cur.fetchall()
+    recent_activity = [
+        {
+            "id": r[0],
+            "platform": r[1],
+            "article": r[2],
+            "status": r[3],
+            "date": r[4].isoformat() if r[4] else None
+        } for r in recent_rows
+    ]
+    
+    release_db_connection(conn)
+    
+    return jsonify({
+        "total_cases": total_cases,
+        "cases_by_status": cases_by_status,
+        "total_integrations": total_integrations,
+        "platforms": platforms,
+        "recent_activity": recent_activity
+    })