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/UserLanguage.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class UserLanguage extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'user_id',
+        'language_code',
+        'can_create',
+        'can_edit',
+        'can_approve',
+        'can_publish',
+    ];
+
+    protected $casts = [
+        'can_create' => 'boolean',
+        'can_edit' => 'boolean',
+        'can_approve' => 'boolean',
+        'can_publish' => 'boolean',
+    ];
+
+    /**
+     * Relationships
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function language(): BelongsTo
+    {
+        return $this->belongsTo(Language::class, 'language_code', 'code');
+    }
+
+    /**
+     * Scopes
+     */
+    public function scopeForUser($query, int $userId)
+    {
+        return $query->where('user_id', $userId);
+    }
+
+    public function scopeForLanguage($query, string $languageCode)
+    {
+        return $query->where('language_code', $languageCode);
+    }
+
+    public function scopeCanCreate($query)
+    {
+        return $query->where('can_create', true);
+    }
+
+    public function scopeCanEdit($query)
+    {
+        return $query->where('can_edit', true);
+    }
+
+    public function scopeCanApprove($query)
+    {
+        return $query->where('can_approve', true);
+    }
+
+    public function scopeCanPublish($query)
+    {
+        return $query->where('can_publish', true);
+    }
+
+    /**
+     * Helper Methods
+     */
+    public function hasFullAccess(): bool
+    {
+        return $this->can_create && $this->can_edit && $this->can_approve && $this->can_publish;
+    }
+
+    public function hasNoAccess(): bool
+    {
+        return !$this->can_create && !$this->can_edit && !$this->can_approve && !$this->can_publish;
+    }
+
+    public function grantFullAccess(): bool
+    {
+        $this->can_create = true;
+        $this->can_edit = true;
+        $this->can_approve = true;
+        $this->can_publish = true;
+        return $this->save();
+    }
+
+    public function revokeAllAccess(): bool
+    {
+        $this->can_create = false;
+        $this->can_edit = false;
+        $this->can_approve = false;
+        $this->can_publish = false;
+        return $this->save();
+    }
+}