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<?php |
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namespace Yajra\Acl\Traits; |
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use Yajra\Acl\Models\Permission; |
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trait HasPermission |
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{ |
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/** |
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* Assigns the given permission to the role. |
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* |
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* @param int $permissionId |
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* @return bool |
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*/ |
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public function assignPermission($permissionId = null) |
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{ |
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$permissions = $this->permissions; |
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if (! $permissions->contains($permissionId)) { |
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$this->permissions()->attach($permissionId); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Get related permissions. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\BelongsToMany |
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*/ |
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public function permissions() |
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{ |
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return $this->belongsToMany(config('acl.permission', Permission::class))->withTimestamps(); |
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} |
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/** |
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* Revokes the given permission from the role. |
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* |
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* @param int|null $permissionId |
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* @return bool |
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*/ |
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public function revokePermission($permissionId = null) |
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{ |
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return $this->permissions()->detach($permissionId); |
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} |
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/** |
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* Syncs the given permission(s) with the role. |
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* |
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* @param array $permissionIds |
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* @return array|bool |
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*/ |
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public function syncPermissions(array $permissionIds = []) |
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{ |
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return $this->permissions()->sync($permissionIds); |
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} |
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/** |
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* Revokes all permissions from the role. |
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* |
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* @return bool |
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*/ |
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public function revokeAllPermissions() |
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{ |
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return $this->permissions()->detach(); |
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} |
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/** |
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* Checks if the role has the given permission. |
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* |
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* @param string $permission |
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* @return bool |
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*/ |
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public function can($permission) |
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{ |
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$permissions = $this->getPermissions(); |
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if (is_array($permission)) { |
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$permissionCount = count($permission); |
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$intersection = array_intersect($permissions, $permission); |
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$intersectionCount = count($intersection); |
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return ($permissionCount == $intersectionCount) ? true : false; |
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} else { |
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return in_array($permission, $permissions); |
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} |
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} |
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/** |
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* Get list of permissions slug. |
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* |
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* @return array |
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*/ |
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public function getPermissions() |
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{ |
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return $this->permissions->pluck('slug')->toArray(); |
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} |
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/** |
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* Check if the role has at least one of the given permissions. |
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* |
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* @param array $permission |
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* @return bool |
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*/ |
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public function canAtLeast(array $permission = []) |
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{ |
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$permissions = $this->getPermissions(); |
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$intersection = array_intersect($permissions, $permission); |
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$intersectionCount = count($intersection); |
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return ($intersectionCount > 0) ? true : false; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: