Add initial project files

apps/backend/app/base_modules/Permission/policy/permission_policy.ts

@@ -0,0 +1,36 @@
+import { BasePolicy } from '@adonisjs/bouncer'
+import type { AuthorizerResponse } from '@adonisjs/bouncer/types'
+import Admins from '#base_modules/Admin/model/admin'
+import { getAdminPermissionSlugs } from '#services/permission_service'
+
+export default class PermissionPolicy extends BasePolicy {
+  async permissionList(user: Admins): Promise<AuthorizerResponse> {
+    if (!user) return false
+    const perms = await getAdminPermissionSlugs(user)
+    return perms.has('permission.view')
+  }
+
+  async viewPermission(user: Admins): Promise<AuthorizerResponse> {
+    if (!user) return false
+    const perms = await getAdminPermissionSlugs(user)
+    return perms.has('permission.view')
+  }
+
+  async createPermission(user: Admins): Promise<AuthorizerResponse> {
+    if (!user) return false
+    const perms = await getAdminPermissionSlugs(user)
+    return perms.has('permission.create')
+  }
+
+  async updatePermission(user: Admins): Promise<AuthorizerResponse> {
+    if (!user) return false
+    const perms = await getAdminPermissionSlugs(user)
+    return perms.has('permission.update')
+  }
+
+  async deletePermission(user: Admins): Promise<AuthorizerResponse> {
+    if (!user) return false
+    const perms = await getAdminPermissionSlugs(user)
+    return perms.has('permission.delete')
+  }
+}