feat: Adds support for the Todoist activity logs API endpoint

src/TodoistApi.activities.test.ts

@@ -0,0 +1,165 @@
+import { TodoistApi, type ActivityEvent } from '.'
+import { DEFAULT_AUTH_TOKEN } from './testUtils/testDefaults'
+import { getSyncBaseUri, ENDPOINT_REST_ACTIVITIES } from './consts/endpoints'
+import { setupRestClientMock } from './testUtils/mocks'
+
+function getTarget(baseUrl = 'https://api.todoist.com') {
+    return new TodoistApi(DEFAULT_AUTH_TOKEN, baseUrl)
+}
+
+const DEFAULT_ACTIVITY_RESPONSE: ActivityEvent[] = [
+    {
+        id: '1',
+        objectType: 'item',
+        objectId: '123456',
+        eventType: 'added',
+        eventDate: '2025-01-10T10:00:00Z',
+        parentProjectId: '789',
+        parentItemId: null,
+        initiatorId: 'user123',
+        extraData: {
+            content: 'Test task',
+            client: 'web',
+        },
+    },
+    {
+        id: '2',
+        objectType: 'project',
+        objectId: '789',
+        eventType: 'updated',
+        eventDate: '2025-01-10T11:00:00Z',
+        parentProjectId: null,
+        parentItemId: null,
+        initiatorId: 'user123',
+        extraData: {
+            name: 'Updated Project',
+            last_name: 'Old Project',
+        },
+    },
+]
+
+const ACTIVITY_WITH_UNKNOWN_FIELDS: ActivityEvent[] = [
+    {
+        id: '3',
+        objectType: 'future_type',
+        objectId: '999',
+        eventType: 'new_event_type',
+        eventDate: '2025-01-10T12:00:00Z',
+        parentProjectId: null,
+        parentItemId: null,
+        initiatorId: null,
+        extraData: {
+            future_field: 'some value',
+            another_unknown: 123,
+        },
+        unknownField1: 'should not crash',
+        unknownField2: { nested: 'object' },
+    } as ActivityEvent,
+]
+
+describe('TodoistApi activity endpoints', () => {
+    describe('getActivityLogs', () => {
+        test('calls get on restClient with expected parameters', async () => {
+            const requestMock = setupRestClientMock({
+                results: DEFAULT_ACTIVITY_RESPONSE,
+                nextCursor: null,
+            })
+            const api = getTarget()
+
+            await api.getActivityLogs()
+
+            expect(requestMock).toHaveBeenCalledTimes(1)
+            expect(requestMock).toHaveBeenCalledWith(
+                'GET',
+                getSyncBaseUri(),
+                ENDPOINT_REST_ACTIVITIES,
+                DEFAULT_AUTH_TOKEN,
+                {},
+            )
+        })
+
+        test('returns activity events from response', async () => {
+            setupRestClientMock({
+                results: DEFAULT_ACTIVITY_RESPONSE,
+                nextCursor: null,
+            })
+            const api = getTarget()
+
+            const result = await api.getActivityLogs()
+
+            expect(result.results).toHaveLength(2)
+            expect(result.results[0].objectType).toBe('item')
+            expect(result.results[0].eventType).toBe('added')
+            expect(result.nextCursor).toBeNull()
+        })
+
+        test('handles pagination with cursor and limit', async () => {
+            const requestMock = setupRestClientMock({
+                results: DEFAULT_ACTIVITY_RESPONSE,
+                nextCursor: 'next_cursor_token',
+            })
+            const api = getTarget()
+
+            const result = await api.getActivityLogs({
+                cursor: 'prev_cursor',
+                limit: 10,
+            })
+
+            expect(requestMock).toHaveBeenCalledWith(
+                'GET',
+                getSyncBaseUri(),
+                ENDPOINT_REST_ACTIVITIES,
+                DEFAULT_AUTH_TOKEN,
+                {
+                    cursor: 'prev_cursor',
+                    limit: 10,
+                },
+            )
+            expect(result.nextCursor).toBe('next_cursor_token')
+        })
+
+        test('handles filter parameters', async () => {
+            const requestMock = setupRestClientMock({
+                results: DEFAULT_ACTIVITY_RESPONSE,
+                nextCursor: null,
+            })
+            const api = getTarget()
+
+            await api.getActivityLogs({
+                objectType: 'item',
+                eventType: 'completed',
+                parentProjectId: '789',
+            })
+
+            expect(requestMock).toHaveBeenCalledWith(
+                'GET',
+                getSyncBaseUri(),
+                ENDPOINT_REST_ACTIVITIES,
+                DEFAULT_AUTH_TOKEN,
+                {
+                    objectType: 'item',
+                    eventType: 'completed',
+                    parentProjectId: '789',
+                },
+            )
+        })
+
+        test('handles unknown event types and fields without crashing', async () => {
+            setupRestClientMock({
+                results: ACTIVITY_WITH_UNKNOWN_FIELDS,
+                nextCursor: null,
+            })
+            const api = getTarget()
+
+            const result = await api.getActivityLogs()
+
+            expect(result.results).toHaveLength(1)
+            expect(result.results[0].objectType).toBe('future_type')
+            expect(result.results[0].eventType).toBe('new_event_type')
+            expect(result.results[0].extraData).toEqual({
+                future_field: 'some value',
+                another_unknown: 123,
+            })
+        })
+    })
+})

src/TodoistApi.ts

@@ -45,6 +45,8 @@ import {
     GetArchivedProjectsArgs,
     GetArchivedProjectsResponse,
     SearchCompletedTasksArgs,
+    GetActivityLogsArgs,
+    GetActivityLogsResponse,
 } from './types/requests'
 import { request, isSuccess } from './restClient'
 import {
@@ -71,6 +73,7 @@ import {
     ENDPOINT_REST_PROJECTS_ARCHIVED,
     ENDPOINT_REST_USER,
     ENDPOINT_REST_PRODUCTIVITY,
+    ENDPOINT_REST_ACTIVITIES,
 } from './consts/endpoints'
 import {
     validateComment,
@@ -86,6 +89,7 @@ import {
     validateTaskArray,
     validateUserArray,
     validateProductivityStats,
+    validateActivityEventArray,
 } from './utils/validators'
 import { z } from 'zod'
 
@@ -1060,4 +1064,27 @@ export class TodoistApi {
         )
         return validateProductivityStats(response.data)
     }
+
+    /**
+     * Retrieves activity logs with optional filters.
+     *
+     * @param args - Optional filter parameters for activity logs.
+     * @returns A promise that resolves to a paginated response of activity events.
+     */
+    async getActivityLogs(args: GetActivityLogsArgs = {}): Promise<GetActivityLogsResponse> {
+        const {
+            data: { results, nextCursor },
+        } = await request<GetActivityLogsResponse>(
+            'GET',
+            this.syncApiBase,
+            ENDPOINT_REST_ACTIVITIES,
+            this.authToken,
+            args,
+        )
+
+        return {
+            results: validateActivityEventArray(results),
+            nextCursor,
+        }
+    }
 }

src/consts/endpoints.ts

@@ -37,6 +37,7 @@ export const ENDPOINT_REST_PROJECTS_ARCHIVED = ENDPOINT_REST_PROJECTS + '/archiv
 export const ENDPOINT_REST_PROJECT_COLLABORATORS = 'collaborators'
 export const ENDPOINT_REST_USER = 'user'
 export const ENDPOINT_REST_PRODUCTIVITY = ENDPOINT_REST_TASKS + '/completed/stats'
+export const ENDPOINT_REST_ACTIVITIES = 'activities'
 export const PROJECT_ARCHIVE = 'archive'
 export const PROJECT_UNARCHIVE = 'unarchive'
 

src/types/entities.ts

@@ -401,3 +401,52 @@ export const ColorSchema = z.object({
  * @see https://todoist.com/api/v1/docs#tag/Colors
  */
 export type Color = z.infer<typeof ColorSchema>
+
+/**
+ * Type hints for known object types. Accepts any string for forward compatibility.
+ */
+export type ActivityObjectType = 'item' | 'note' | 'project' | (string & Record<string, never>)
+
+/**
+ * Type hints for known event types. Accepts any string for forward compatibility.
+ */
+export type ActivityEventType =
+    | 'added'
+    | 'updated'
+    | 'deleted'
+    | 'completed'
+    | 'uncompleted'
+    | 'archived'
+    | 'unarchived'
+    | 'shared'
+    | 'left'
+    | (string & Record<string, never>)
+
+/**
+ * Flexible object containing event-specific data.
+ * Uses z.record to accept any properties for forward compatibility.
+ */
+export const ActivityEventExtraDataSchema = z.record(z.string(), z.any()).nullable()
+export type ActivityEventExtraData = z.infer<typeof ActivityEventExtraDataSchema>
+
+/**
+ * Activity log event schema. Accepts unknown fields for forward compatibility.
+ */
+export const ActivityEventSchema = z
+    .object({
+        objectType: z.string(),
+        objectId: z.string(),
+        eventType: z.string(),
+        eventDate: z.string(),
+        id: z.string().nullable(),
+        parentProjectId: z.string().nullable(),
+        parentItemId: z.string().nullable(),
+        initiatorId: z.string().nullable(),
+        extraData: ActivityEventExtraDataSchema,
+    })
+    .catchall(z.any())
+
+/**
+ * Represents an activity log event in Todoist.
+ */
+export type ActivityEvent = z.infer<typeof ActivityEventSchema>

src/types/requests.ts

@@ -1,5 +1,6 @@
 import type { RequireAllOrNone, RequireOneOrNone, RequireExactlyOne } from 'type-fest'
 import type {
+    ActivityEvent,
     Comment,
     Duration,
     Label,
@@ -430,3 +431,33 @@ export type AddCommentArgs = {
 export type UpdateCommentArgs = {
     content: string
 }
+
+/**
+ * Arguments for retrieving activity logs.
+ */
+export type GetActivityLogsArgs = {
+    objectType?: string
+    eventType?: string
+    objectId?: string
+    parentProjectId?: string
+    parentItemId?: string
+    includeParentObject?: boolean
+    includeChildObjects?: boolean
+    initiatorId?: string
+    initiatorIdNull?: boolean | null
+    ensureLastState?: boolean
+    annotateNotes?: boolean
+    annotateParents?: boolean
+    since?: string
+    until?: string
+    cursor?: string | null
+    limit?: number
+}
+
+/**
+ * Response from retrieving activity logs.
+ */
+export type GetActivityLogsResponse = {
+    results: ActivityEvent[]
+    nextCursor: string | null
+}

src/utils/validators.ts

@@ -17,6 +17,8 @@ import {
     type WorkspaceProject,
     type PersonalProject,
     ProductivityStatsSchema,
+    ActivityEventSchema,
+    type ActivityEvent,
 } from '../types/entities'
 
 export function validateTask(input: unknown): Task {
@@ -104,3 +106,11 @@ export function validateProductivityStats(input: unknown): ProductivityStats {
 export function validateCurrentUser(input: unknown): CurrentUser {
     return CurrentUserSchema.parse(input)
 }
+
+export function validateActivityEvent(input: unknown): ActivityEvent {
+    return ActivityEventSchema.parse(input)
+}
+
+export function validateActivityEventArray(input: unknown[]): ActivityEvent[] {
+    return input.map(validateActivityEvent)
+}