feat: add referral

app/Http/Controllers/BreathingExerciseController.php

@@ -148,8 +148,8 @@ public function completeSession(Request $request)
             'duration' => $data['duration'] ?? $template->duration,
         ]);
 
-        // Increase XP
+        // Increase XP (also credits the referrer's 10% share)
-        auth()->user()->increment('xp', 10);
+        auth()->user()->awardXp(10);
 
         return response()->json(['message' => 'Session completed', 'session' => $session]);
     }

app/Http/Controllers/MoodController.php

@@ -35,7 +35,7 @@ public function storeUserMood(Request $request)
             );
         }
       
-            $user->increment('xp', 10);
+            $user->awardXp(10);
       
         return response()->json([
             'message' => 'Mood saved successfully',

app/Http/Controllers/UserController.php

@@ -61,9 +61,10 @@ public function loginV2(Request $request)
             'identifier' => $response['uuid'] ?? null,
             'password' => config('app.default_password'),
             // 'name' => trim(($response['first_name'] ?? '') . ' ' . ($response['last_name'] ?? '')),
-            'mobile' => $mobile, 
+            'mobile' => $mobile,
             'first_name' => $response['first_name'] ?? null,
-            'last_name' => $response['last_name'] ?? null
+            'last_name' => $response['last_name'] ?? null,
+            'referral_code' => $response['referral_code'] ?? null,
         ]);
     } else {
         // Only update name and mobile for existing user
@@ -71,10 +72,13 @@ public function loginV2(Request $request)
         $user->last_name = $response['last_name'] ?? $user->last_name;
         // $user->name = trim(($response['first_name'] ?? '') . ' ' . ($response['last_name'] ?? ''));
         $user->mobile = $mobile ?? $user->mobile;
+        $user->referral_code = $response['referral_code'] ?? $user->referral_code;
         $user->save();
     }
 
-    
+        // Link the referral relationship and reward the referrer (کد معرف)
+        $this->linkReferral($user, $response);
+
         $access_token = $user->createToken('user')->plainTextToken;
     
         return [
@@ -111,6 +115,7 @@ private function syncUserFromStatus(array $response, ?User $user = null): User
             'mobile' => $mobile,
             'first_name' => $response['first_name'] ?? null,
             'last_name' => $response['last_name'] ?? null,
+            'referral_code' => $response['referral_code'] ?? null,
             'email_verified_at' => $response['email_verified_at'] ?? null
         ]);
     } else {
@@ -118,13 +123,68 @@ private function syncUserFromStatus(array $response, ?User $user = null): User
         $user->first_name = $response['first_name'] ?? $user->first_name;
         $user->last_name  = $response['last_name'] ?? $user->last_name;
         $user->mobile     = $mobile ?? $user->mobile;
+        $user->referral_code = $response['referral_code'] ?? $user->referral_code;
         $user->email_verified_at = $response['email_verified_at'] ?? $user->email_verified_at;
         $user->save();
     }
 
+    // Link the referral relationship and reward the referrer (کد معرف)
+    $this->linkReferral($user, $response);
+
     return $user;
 }
 
+    /**
+     * Resolve the approagency referrer (by uuid/identifier) to a local
+     * meditation user, record the relationship once, and grant the referrer
+     * their per-invite points. The free-month subscription milestone is
+     * handled in approagency, where products/plans/transactions are managed.
+     */
+    private function linkReferral(User $user, array $response): void
+    {
+        if ($user->referred_by) {
+            return; // already linked — never reward twice
+        }
+
+        $referrerUuid = $response['referrer_uuid'] ?? null;
+        if (!$referrerUuid) {
+            return;
+        }
+
+        $referrer = User::where('identifier', $referrerUuid)->first();
+        if (!$referrer || $referrer->id === $user->id) {
+            return;
+        }
+
+        $user->referred_by = $referrer->id;
+        $user->save();
+
+        // 100 points per successful invite
+        $referrer->increment('referral_points', User::REFERRAL_POINTS_PER_INVITE);
+    }
+
+    /**
+     * Referral dashboard data (دعوت دوستان page).
+     */
+    public function referral(Request $request)
+    {
+        $user = auth()->user();
+        $invites = $user->referrals()->count();
+        $target = User::REFERRAL_SUBSCRIPTION_TARGET;
+
+        return response()->json([
+            'referral_code' => $user->referral_code,
+            'referral_points' => (int) $user->referral_points,
+            'successful_invites' => $invites,
+            'subscription_target' => $target,
+            'remaining_to_subscription' => max(0, $target - $invites),
+            'rewards' => [
+                'points_per_invite' => User::REFERRAL_POINTS_PER_INVITE,
+                'friend_points_share_percent' => (int) (User::REFERRAL_SHARE * 100),
+                'subscription_invite_target' => $target,
+            ],
+        ]);
+    }
 
     public function loginForeginer(Request $request)
     {

app/Models/User.php

@@ -18,6 +18,12 @@ class User extends Authenticatable
         'male' => 1,
         'female' => 2,
     ];
+
+    // Referral program (کد معرف)
+    const REFERRAL_POINTS_PER_INVITE = 100;   // points granted to the referrer per successful invite
+    const REFERRAL_SHARE = 0.10;              // referrer keeps 10% of each friend's earned xp, forever
+    const REFERRAL_SUBSCRIPTION_TARGET = 10;  // successful invites needed for the free-month milestone
+
     /**
      * The attributes that are mass assignable.
      *
@@ -69,6 +75,32 @@ public function otpTokens()
         return $this->hasMany(OtpTokens::class);
     }
 
+    public function referrer()
+    {
+        return $this->belongsTo(User::class, 'referred_by');
+    }
+
+    public function referrals()
+    {
+        return $this->hasMany(User::class, 'referred_by');
+    }
+
+    /**
+     * Award xp to this user and, if they were referred, credit the
+     * referrer their permanent 10% share of the earned points.
+     */
+    public function awardXp(int $amount): void
+    {
+        $this->increment('xp', $amount);
+
+        if ($this->referred_by) {
+            $share = (int) floor($amount * self::REFERRAL_SHARE);
+            if ($share > 0) {
+                self::where('id', $this->referred_by)->increment('referral_points', $share);
+            }
+        }
+    }
+
     public function transactions()
     {
         return $this->hasMany(Transaction::class);

database/migrations/2026_06_06_000000_add_referral_code_to_users_table.php

@@ -0,0 +1,42 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            // Own shareable code, mirrored from approagency (source of truth).
+            if (!Schema::hasColumn('users', 'referral_code')) {
+                $table->string('referral_code', 12)->nullable()->after('identifier');
+            }
+            // Local meditation user who referred this user (resolved from approagency's referrer_uuid).
+            if (!Schema::hasColumn('users', 'referred_by')) {
+                $table->foreignId('referred_by')->nullable()->after('referral_code')
+                    ->constrained('users')->nullOnDelete();
+            }
+            // Points earned through referrals (100 per invite + 10% of friends' xp).
+            if (!Schema::hasColumn('users', 'referral_points')) {
+                $table->unsignedInteger('referral_points')->default(0)->after('referred_by');
+            }
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            if (Schema::hasColumn('users', 'referred_by')) {
+                $table->dropForeign(['referred_by']);
+                $table->dropColumn('referred_by');
+            }
+            foreach (['referral_code', 'referral_points'] as $column) {
+                if (Schema::hasColumn('users', $column)) {
+                    $table->dropColumn($column);
+                }
+            }
+        });
+    }
+};

routes/api.php

@@ -78,9 +78,12 @@
    Route::post('/profile', [UserController::class, 'updateProfile']);
    Route::get('/profile', [UserController::class, 'profile']);
    
-   ////-- leader board 
+   ////-- leader board
    Route::get('/leader-board', [UserController::class, 'leaderBoard']);
 
+   ////-- referral (دعوت دوستان)
+   Route::get('/referral', [UserController::class, 'referral']);
+
     ///--  mood routes
 
      Route::post('/moods/today', [MoodController::class, 'storeUserMood']);