feat: teamCollection module added

packages/hoppscotch-backend/src/team-collection/guards/gql-collection-team-member.guard.ts

@@ -0,0 +1,51 @@
+import { CanActivate, ExecutionContext, Injectable } from '@nestjs/common';
+import { Reflector } from '@nestjs/core';
+import { GqlExecutionContext } from '@nestjs/graphql';
+import { User } from '../../user/user.model';
+import { TeamCollectionService } from '../team-collection.service';
+import { TeamService } from '../../team/team.service';
+import { TeamMemberRole } from '../../team/team.model';
+import {
+  BUG_TEAM_NO_REQUIRE_TEAM_ROLE,
+  BUG_AUTH_NO_USER_CTX,
+  BUG_TEAM_COLL_NO_COLL_ID,
+  TEAM_INVALID_COLL_ID,
+  TEAM_REQ_NOT_MEMBER,
+} from 'src/errors';
+
+@Injectable()
+export class GqlCollectionTeamMemberGuard implements CanActivate {
+  constructor(
+    private readonly reflector: Reflector,
+    private readonly teamService: TeamService,
+    private readonly teamCollectionService: TeamCollectionService,
+  ) {}
+
+  async canActivate(context: ExecutionContext): Promise<boolean> {
+    const requireRoles = this.reflector.get<TeamMemberRole[]>(
+      'requiresTeamRole',
+      context.getHandler(),
+    );
+    if (!requireRoles) throw new Error(BUG_TEAM_NO_REQUIRE_TEAM_ROLE);
+
+    const gqlExecCtx = GqlExecutionContext.create(context);
+    const { user } = gqlExecCtx.getContext().req;
+    if (user == undefined) throw new Error(BUG_AUTH_NO_USER_CTX);
+
+    const { collectionID } = gqlExecCtx.getArgs<{ collectionID: string }>();
+    if (!collectionID) throw new Error(BUG_TEAM_COLL_NO_COLL_ID);
+
+    const collection = await this.teamCollectionService.getCollection(
+      collectionID,
+    );
+    if (!collection) throw new Error(TEAM_INVALID_COLL_ID);
+
+    const member = await this.teamService.getTeamMember(
+      collection.teamID,
+      user.uid,
+    );
+    if (!member) throw new Error(TEAM_REQ_NOT_MEMBER);
+
+    return requireRoles.includes(member.role);
+  }
+}