#81 Expose new recent activity feature via graphql

src/activity/activity.gql.ts

@@ -0,0 +1,12 @@
+import { QuizlordContext } from '..';
+import { authorisationService, activityService } from '../service.locator';
+
+async function activityFeed(_: unknown, _params: Record<string, never>, context: QuizlordContext) {
+  authorisationService.requireUserRole(context, 'USER');
+
+  return activityService.getRecentActivity();
+}
+
+export const activityQueries = {
+  activityFeed,
+};

src/gql.ts

@@ -128,6 +128,17 @@ const typeDefs = gql`
     averageScorePercentage: Float!
   }
 
+  type RecentActivityAction {
+    name: String!
+    link: String!
+  }
+
+  type RecentActivityItem {
+    date: Date!
+    text: String!
+    action: RecentActivityAction
+  }
+
   "Available filters for the quizzes query"
   input QuizFilters {
     """
@@ -166,6 +177,11 @@ const typeDefs = gql`
       "The sorting option to use"
       sortedBy: IndividualUserStatisticsSortOption
     ): [IndividualUserStatistic]
+
+    """
+    Get the most recent activities.
+    """
+    activityFeed: [RecentActivityItem]
   }
 
   type Mutation {

src/index.ts

@@ -12,6 +12,7 @@ import { authenticationService, prismaService, queueService, userService } from
 import config from './config/config';
 import typeDefs from './gql';
 import { userQueries } from './user/user.gql';
+import { activityQueries } from './activity/activity.gql';
 import { quizMutations, quizQueries } from './quiz/quiz.gql';
 import { Role } from './user/user.dto';
 import { statisticsQueries } from './statistics/statistics.gql';
@@ -41,6 +42,7 @@ const resolvers = {
     ...quizQueries,
     ...userQueries,
     ...statisticsQueries,
+    ...activityQueries,
   },
   Mutation: {
     ...quizMutations,

src/service.locator.ts

@@ -1,3 +1,4 @@
+import { ActivityService } from './activity/activity.service';
 import { AuthenticationService } from './auth/authentication.service';
 import { AuthorisationService } from './auth/authorisation.service';
 import { PrismaService } from './database/prisma.service';
@@ -37,3 +38,6 @@ export const queueService = new SQSQueueService(quizService);
 
 // statistics
 export const statisticsService = new StatisticsService(userService, quizService, memoryCache);
+
+// activity
+export const activityService = new ActivityService(quizService);