first commit

common/Auth/Permissions/Permission.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace Common\Auth\Permissions;
+
+use Arr;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Collection;
+
+class Permission extends Model
+{
+    protected $guarded = ['id'];
+
+    protected $casts = [
+        'id' => 'integer',
+        'advanced' => 'integer',
+    ];
+
+    protected $hidden = ['pivot', 'permissionable_type'];
+
+    const MODEL_TYPE = 'permission';
+
+    public static function getModelTypeAttribute(): string
+    {
+        return self::MODEL_TYPE;
+    }
+
+    /**
+     * @param string|array $value
+     * @return Collection
+     */
+    public function getRestrictionsAttribute($value)
+    {
+        // if loading permissions via parent (user, role, plan) return restrictions
+        // stored on pivot table, otherwise return restrictions stored on permission itself
+        $value = $this->pivot ? $this->pivot->restrictions : $value;
+        if ( ! $value) $value = [];
+        return collect(is_string($value) ? json_decode($value, true) : $value)->values();
+    }
+
+    public function setRestrictionsAttribute($value)
+    {
+        if ($value && is_array($value)) {
+            $this->attributes['restrictions'] = json_encode(array_values($value));
+        }
+    }
+
+    public function getRestrictionValue(string $name): int | bool | null
+    {
+        $restriction = $this->restrictions->first(function($restriction) use($name) {
+            return $restriction['name'] === $name;
+        });
+
+        return Arr::get($restriction, 'value') ?? null;
+    }
+
+    /**
+     * Merge restrictions from specified permission into this permission.
+     */
+    public function mergeRestrictions(Permission $permission = null): self
+    {
+        if ($permission) {
+            $permission->restrictions->each(function($restriction) {
+                $exists = $this->restrictions->first(function($r) use($restriction) {
+                    return $r['name'] === $restriction['name'];
+                });
+                if ( ! $exists) {
+                    $this->restrictions->push($restriction);
+                }
+            });
+        }
+        return $this;
+    }
+}