refactor: add server-side validation schema for events (#4622)

* refactor: move files to subfolder

* refactor: schema for events.list

* refactor: update nullable fields in Event model

* fix: event actor not nullable

* fix: team not nullable

server/models/Event.ts

@@ -25,7 +25,7 @@ import Fix from "./decorators/Fix";
 class Event extends IdModel {
   @IsUUID(4)
   @Column(DataType.UUID)
-  modelId: string;
+  modelId: string | null;
 
   @Length({
     max: 255,
@@ -39,7 +39,7 @@ class Event extends IdModel {
   ip: string | null;
 
   @Column(DataType.JSONB)
-  data: Record<string, any>;
+  data: Record<string, any> | null;
 
   // hooks
 
@@ -63,18 +63,18 @@ class Event extends IdModel {
   // associations
 
   @BelongsTo(() => User, "userId")
-  user: User;
+  user: User | null;
 
   @ForeignKey(() => User)
   @Column(DataType.UUID)
-  userId: string;
+  userId: string | null;
 
   @BelongsTo(() => Document, "documentId")
-  document: Document;
+  document: Document | null;
 
   @ForeignKey(() => Document)
   @Column(DataType.UUID)
-  documentId: string;
+  documentId: string | null;
 
   @BelongsTo(() => User, "actorId")
   actor: User;
@@ -84,11 +84,11 @@ class Event extends IdModel {
   actorId: string;
 
   @BelongsTo(() => Collection, "collectionId")
-  collection: Collection;
+  collection: Collection | null;
 
   @ForeignKey(() => Collection)
   @Column(DataType.UUID)
-  collectionId: string;
+  collectionId: string | null;
 
   @BelongsTo(() => Team, "teamId")
   team: Team;

server/routes/api/events/events.ts

@@ -0,0 +1,102 @@
+import Router from "koa-router";
+import { Op, WhereOptions } from "sequelize";
+import auth from "@server/middlewares/authentication";
+import validate from "@server/middlewares/validate";
+import { Event, User, Collection } from "@server/models";
+import { authorize } from "@server/policies";
+import { presentEvent } from "@server/presenters";
+import { APIContext } from "@server/types";
+import pagination from "../middlewares/pagination";
+import * as T from "./schema";
+
+const router = new Router();
+
+router.post(
+  "events.list",
+  auth(),
+  pagination(),
+  validate(T.EventsListSchema),
+  async (ctx: APIContext<T.EventsListReq>) => {
+    const { user } = ctx.state;
+    const {
+      sort,
+      direction,
+      actorId,
+      documentId,
+      collectionId,
+      name,
+      auditLog,
+    } = ctx.input;
+
+    let where: WhereOptions<Event> = {
+      name: Event.ACTIVITY_EVENTS,
+      teamId: user.teamId,
+    };
+
+    if (actorId) {
+      where = { ...where, actorId };
+    }
+
+    if (documentId) {
+      where = { ...where, documentId };
+    }
+
+    if (auditLog) {
+      authorize(user, "manage", user.team);
+      where.name = Event.AUDIT_EVENTS;
+    }
+
+    if (name && (where.name as string[]).includes(name)) {
+      where.name = name;
+    }
+
+    if (collectionId) {
+      where = { ...where, collectionId };
+
+      const collection = await Collection.scope({
+        method: ["withMembership", user.id],
+      }).findByPk(collectionId);
+      authorize(user, "read", collection);
+    } else {
+      const collectionIds = await user.collectionIds({
+        paranoid: false,
+      });
+      where = {
+        ...where,
+        [Op.or]: [
+          {
+            collectionId: collectionIds,
+          },
+          {
+            collectionId: {
+              [Op.is]: null,
+            },
+          },
+        ],
+      };
+    }
+
+    const events = await Event.findAll({
+      where,
+      order: [[sort, direction]],
+      include: [
+        {
+          model: User,
+          as: "actor",
+          paranoid: false,
+        },
+      ],
+      offset: ctx.state.pagination.offset,
+      limit: ctx.state.pagination.limit,
+    });
+
+    ctx.body = {
+      pagination: ctx.state.pagination,
+      data: await Promise.all(
+        events.map((event) => presentEvent(event, auditLog))
+      ),
+    };
+  }
+);
+
+export default router;

server/routes/api/events/index.ts

@@ -0,0 +1 @@
+export { default } from "./events";

server/routes/api/events/schema.ts

@@ -0,0 +1,32 @@
+import { z } from "zod";
+
+export const EventsListSchema = z.object({
+  /** Id of the user who performed the action */
+  actorId: z.string().uuid().optional(),
+
+  /** Id of the document to filter the events for */
+  documentId: z.string().uuid().optional(),
+
+  /** Id of the collection to filter the events for */
+  collectionId: z.string().uuid().optional(),
+
+  /** Whether to include audit events */
+  auditLog: z.boolean().default(false),
+
+  /** Name of the event to retrieve */
+  name: z.string().optional(),
+
+  /** The attribute to sort the events by */
+  sort: z
+    .string()
+    .refine((val) => ["name", "createdAt"].includes(val))
+    .default("createdAt"),
+
+  /** The direction to sort the events */
+  direction: z
+    .string()
+    .optional()
+    .transform((val) => (val !== "ASC" ? "DESC" : val)),
+});
+
+export type EventsListReq = z.infer<typeof EventsListSchema>;