feat: team module added

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

@@ -0,0 +1,47 @@
+import { CanActivate, ExecutionContext, Injectable } from '@nestjs/common';
+import { Reflector } from '@nestjs/core';
+import { TeamService } from '../team.service';
+import { TeamMemberRole } from '../team.model';
+import { GqlExecutionContext } from '@nestjs/graphql';
+import { User } from '../../user/user.model';
+import {
+  TEAM_NOT_REQUIRED_ROLE,
+  BUG_AUTH_NO_USER_CTX,
+  BUG_TEAM_NO_REQUIRE_TEAM_ROLE,
+  BUG_TEAM_NO_TEAM_ID,
+} from 'src/errors';
+
+@Injectable()
+export class GqlTeamMemberGuard implements CanActivate {
+  constructor(
+    private readonly reflector: Reflector,
+    private readonly teamService: TeamService,
+  ) {}
+
+  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 { teamID } = gqlExecCtx.getArgs<{ teamID: string }>();
+
+    if (!teamID) throw new Error(BUG_TEAM_NO_TEAM_ID);
+
+    const status = await this.teamService.getTeamMember(teamID, user.uid);
+
+    if (!status) throw new Error('team/member_not_found');
+
+    if (requireRoles.includes(status.role)) return true;
+
+    throw new Error(TEAM_NOT_REQUIRED_ROLE);
+  }
+}