Add Language Management Module: Created Language resource with CRUD pages, schemas, and models to support the universal translation system. Implemented localization for English and Turkish, ensuring consistent user experience. Added necessary policies and seeder for initial language data, enhancing the overall language management functionality.

app/Models/User.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 // use Illuminate\Contracts\Auth\MustVerifyEmail;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 use Spatie\Permission\Traits\HasRoles;
@@ -46,4 +47,128 @@ class User extends Authenticatable
             'password' => 'hashed',
         ];
     }
+
+    /**
+     * Relationships
+     */
+    public function userLanguages(): HasMany
+    {
+        return $this->hasMany(UserLanguage::class);
+    }
+
+    public function languages()
+    {
+        return $this->belongsToMany(Language::class, 'user_languages', 'user_id', 'language_code', 'id', 'code')
+            ->withPivot(['can_create', 'can_edit', 'can_approve', 'can_publish'])
+            ->withTimestamps();
+    }
+
+    /**
+     * Language Management Methods
+     */
+    public function canManageLanguage(string $languageCode): bool
+    {
+        // Super admin can manage all languages
+        if ($this->hasRole('super_admin')) {
+            return true;
+        }
+
+        return $this->userLanguages()
+            ->where('language_code', $languageCode)
+            ->where(function ($query) {
+                $query->where('can_create', true)
+                    ->orWhere('can_edit', true)
+                    ->orWhere('can_approve', true)
+                    ->orWhere('can_publish', true);
+            })
+            ->exists();
+    }
+
+    public function canCreateInLanguage(string $languageCode): bool
+    {
+        if ($this->hasRole('super_admin')) {
+            return true;
+        }
+
+        return $this->userLanguages()
+            ->where('language_code', $languageCode)
+            ->where('can_create', true)
+            ->exists();
+    }
+
+    public function canEditInLanguage(string $languageCode): bool
+    {
+        if ($this->hasRole('super_admin')) {
+            return true;
+        }
+
+        return $this->userLanguages()
+            ->where('language_code', $languageCode)
+            ->where('can_edit', true)
+            ->exists();
+    }
+
+    public function canApproveInLanguage(string $languageCode): bool
+    {
+        if ($this->hasRole('super_admin')) {
+            return true;
+        }
+
+        return $this->userLanguages()
+            ->where('language_code', $languageCode)
+            ->where('can_approve', true)
+            ->exists();
+    }
+
+    public function canPublishInLanguage(string $languageCode): bool
+    {
+        if ($this->hasRole('super_admin')) {
+            return true;
+        }
+
+        return $this->userLanguages()
+            ->where('language_code', $languageCode)
+            ->where('can_publish', true)
+            ->exists();
+    }
+
+    public function getManagedLanguages(): \Illuminate\Support\Collection
+    {
+        return $this->userLanguages()
+            ->with('language')
+            ->get()
+            ->pluck('language');
+    }
+
+    public function getManagedLanguageCodes(): array
+    {
+        return $this->userLanguages()
+            ->pluck('language_code')
+            ->toArray();
+    }
+
+    public function assignLanguage(
+        string $languageCode, 
+        bool $canCreate = true, 
+        bool $canEdit = true, 
+        bool $canApprove = false, 
+        bool $canPublish = false
+    ): UserLanguage {
+        return $this->userLanguages()->updateOrCreate(
+            ['language_code' => $languageCode],
+            [
+                'can_create' => $canCreate,
+                'can_edit' => $canEdit,
+                'can_approve' => $canApprove,
+                'can_publish' => $canPublish,
+            ]
+        );
+    }
+
+    public function removeLanguage(string $languageCode): bool
+    {
+        return $this->userLanguages()
+            ->where('language_code', $languageCode)
+            ->delete() > 0;
+    }
 }