Filter groups given a member (#5034)

* feat: filter groups given a member

* Revert "feat: filter groups given a member"

This reverts commit 7dac8bb38de1fdaf661c636c5d1b13e4112fd8fd.

* fix: make it work via db query

server/models/Group.ts

@@ -9,6 +9,7 @@ import {
   BelongsToMany,
   DefaultScope,
   DataType,
+  Scopes,
 } from "sequelize-typescript";
 import CollectionGroup from "./CollectionGroup";
 import GroupUser from "./GroupUser";
@@ -27,6 +28,23 @@ import NotContainsUrl from "./validators/NotContainsUrl";
     },
   ],
 }))
+@Scopes(() => ({
+  withMember: (memberId: string) => ({
+    include: [
+      {
+        association: "groupMemberships",
+        required: true,
+      },
+      {
+        association: "members",
+        required: true,
+        where: {
+          userId: memberId,
+        },
+      },
+    ],
+  }),
+}))
 @Table({
   tableName: "groups",
   modelName: "group",
@@ -76,9 +94,16 @@ class Group extends ParanoidModel {
     });
   }
 
+  static filterByMember(memberId: string | undefined) {
+    return memberId
+      ? this.scope({ method: ["withMember", memberId] })
+      : this.scope("defaultScope");
+  }
+
   // associations
 
   @HasMany(() => GroupUser, "groupId")
+  @HasMany(() => GroupUser, { as: "members", foreignKey: "groupId" })
   groupMemberships: GroupUser[];
 
   @HasMany(() => CollectionGroup, "groupId")