adding functionality

Author: subhobiswas

src/Models/Permission.php

@@ -6,8 +6,8 @@
 
 class Permission extends Model
 {
-    protected $guarded = [];
-
+    protected $fillable = ['name'];
+    
     public function roles()
     {
         return $this->belongsToMany(Role::class);

src/Models/Role.php

@@ -6,7 +6,7 @@
 
 class Role extends Model
 {
-    protected $guarded = [];
+    protected $fillable = ['name'];
 
     public function permissions()
     {

src/Traits/HasRoleAndPermissions.php

@@ -0,0 +1,93 @@
+<?php
+namespace Lazycode\Permissions\Traits;
+
+use Lazycode\Permissions\Models\Permission;
+use Lazycode\Permissions\Models\Role;
+
+trait HasRolesAndPermissions
+{
+    // Assign a role by name (one role per user)
+    public function assignRoleByName(string $roleName)
+    {
+        $role = Role::where('name', $roleName)->first();
+
+        if ($role) {
+            // Ensure the user only has one role
+            $this->role()->associate($role);
+            $this->save();
+        }
+
+        return $this;
+    }
+
+    // Get the user's role
+    public function getRole()
+    {
+        return $this->role;
+    }
+
+    // Disassociate (remove) the current role from the user
+    public function removeRole()
+    {
+        if ($this->role) {
+            $this->role()->dissociate();
+            $this->save();
+        }
+
+        return $this;
+    }
+
+    // Check if the user has a specific permission
+    public function hasPermission(string $permissionName)
+    {
+        $role = $this->role;
+
+        if ($role) {
+            return $role->permissions()->where('name', $permissionName)->exists();
+        }
+
+        return false;
+    }
+
+    // Assign a permission to the role by permission name
+    public function assignPermissionToRole(string $permissionName)
+    {
+        $role = $this->role;
+        if ($role) {
+            $permission = Permission::where('name', $permissionName)->first();
+
+            if ($permission) {
+                $role->permissions()->syncWithoutDetaching([$permission->id]);
+            }
+        }
+
+        return $this;
+    }
+
+    // Remove a permission from the role by permission name
+    public function removePermissionFromRole(string $permissionName)
+    {
+        $role = $this->role;
+        if ($role) {
+            $permission = Permission::where('name', $permissionName)->first();
+
+            if ($permission) {
+                $role->permissions()->detach($permission->id);
+            }
+        }
+
+        return $this;
+    }
+
+    // Check if the user has the specified role
+    public function hasRole(string $roleName)
+    {
+        return $this->role && $this->role->name === $roleName;
+    }
+
+    // Relationship for user role (one-to-one)
+    public function role()
+    {
+        return $this->belongsTo(Role::class);
+    }
+}

src/database/migrations/create_permission_tables.php

@@ -31,12 +31,22 @@ public function up()
                 $table->foreignId('permission_id')->constrained()->onDelete('cascade');
             });
         }
+
+        if (!Schema::hasTable('users')) {
+            Schema::table('users', function (Blueprint $table) {
+                $table->foreignId('role_id')->nullable()->constrained('roles')->onDelete('set null');
+            });
+        }
+
     }
 
     public function down()
     {
         Schema::dropIfExists('role_permission');
         Schema::dropIfExists('permissions');
         Schema::dropIfExists('roles');
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropForeign(['role_id']);
+        });
     }
 };