Teams leave

serverless.ts

@@ -27,6 +27,7 @@ import declineInvitation from '@functions/teams/decline-invite';
 import teamsJoin from '@functions/teams/join';
 import teamsRead from '@functions/teams/read';
 import disband from '@functions/teams/disband';
+import teamLeave from '@functions/teams/leave';
 
 import * as path from 'path';
 import * as dotenv from 'dotenv';
@@ -80,6 +81,7 @@ const serverlessConfiguration: AWS = {
     teamsJoin,
     teamsRead,
     disband,
+    teamLeave,
   },
   package: { individually: true, patterns: ['!.env*', '.env.vault'] },
   custom: {

src/functions/teams/leave/handler.ts

@@ -0,0 +1,123 @@
+import type { ValidatedEventAPIGatewayProxyEvent } from '@libs/api-gateway';
+import { middyfy } from '@libs/lambda';
+import schema from './schema';
+import { UserDocument, TeamDocument } from '../../../types';
+import { MongoDB, validateToken, disbandTeam } from '../../../util'; //change to actual disband
+import * as path from 'path';
+import * as dotenv from 'dotenv';
+
+//import fetch from 'node-fetch';
+
+dotenv.config({ path: path.resolve(process.cwd(), '.env') });
+
+const teamLeave: ValidatedEventAPIGatewayProxyEvent<typeof schema> = async (event) => {
+  try {
+    const { auth_token: authToken, auth_email: authEmail, team_id: teamId } = event.body;
+
+    // 1. Validate auth token
+    const tokenValid = validateToken(authToken, process.env.JWT_SECRET, authEmail);
+    if (!tokenValid) {
+      return {
+        statusCode: 401,
+        body: JSON.stringify({ statusCode: 401, message: 'Unauthorized' }),
+      };
+    }
+
+    // 2. connect to mongoDB
+    const db = MongoDB.getInstance(process.env.MONGO_URI);
+    await db.connect();
+    const users = db.getCollection<UserDocument>('users');
+    const teams = db.getCollection<TeamDocument>('teams');
+
+    // 3. check if user exisits
+    const authUser = await users.findOne({ email: authEmail });
+    if (!authUser) {
+      return {
+        statusCode: 404,
+        body: JSON.stringify({ statusCode: 404, message: 'Auth user not found' }),
+      };
+    }
+
+    // 4. check if team exisits
+    const team = await teams.findOne({ team_id: teamId });
+    if (!team) {
+      return {
+        statusCode: 404,
+        body: JSON.stringify({ statusCode: 404, message: 'Team not found' }),
+      };
+    }
+
+    // 5. Check if team is disbanded
+    if (team.status == 'Disbanded') {
+      return {
+        statusCode: 400,
+        body: JSON.stringify({ statusCode: 400, message: 'Team already disbanded' }),
+      };
+    }
+
+    // 6. No team members
+    if (team.members.length + 1 == 0) {
+      return {
+        statusCode: 400,
+        body: JSON.stringify({ statusCode: 400, message: 'Empty team member list' }),
+      };
+    }
+
+    // 7. Check if user is in team
+    if (!team.members.includes(authEmail) && team.leader_email !== authEmail) {
+      return {
+        statusCode: 400,
+        body: JSON.stringify({ statusCode: 400, message: 'User not in team' }),
+      };
+    }
+
+    //grabs team info object
+    const teamInfo = authUser.team_info;
+
+    // 8. Check if user is team lead
+    if (teamInfo.role == 'leader') return await disbandTeam(authToken, authEmail, teamId);
+
+    // 9. Remove user from team
+    await teams.updateOne(
+      { team_id: teamId, members: authUser.email },
+      {
+        $pull: {
+          members: authUser.email,
+        },
+      }
+    );
+
+    // 10. clear team_info and set confirmed_team
+
+    authUser.confirmed_team = false;
+    authUser.team_info = {
+      team_id: '',
+      role: null,
+      pending_invites: [],
+    };
+
+    // 11. update the MongoDB user
+    await users.updateOne(
+      { email: authEmail },
+      {
+        $set: {
+          confirmed_team: authUser.confirmed_team,
+          team_info: authUser.team_info,
+        },
+      }
+    );
+
+    return {
+      statusCode: 200,
+      body: JSON.stringify({ message: 'Successfully left team' }),
+    };
+  } catch (error) {
+    console.error('Error deleting team member:', error);
+    return {
+      statusCode: 500,
+      body: JSON.stringify({ statusCode: 500, message: 'Internal server error' }),
+    };
+  }
+};
+
+export const main = middyfy(teamLeave);

src/functions/teams/leave/index.ts

@@ -0,0 +1,20 @@
+import { handlerPath } from '@libs/handler-resolver';
+import schema from './schema';
+
+export default {
+  handler: `${handlerPath(__dirname)}/handler.main`,
+  events: [
+    {
+      http: {
+        method: 'post',
+        path: 'teams/leave',
+        cors: true,
+        request: {
+          schemas: {
+            'application/json': schema,
+          },
+        },
+      },
+    },
+  ],
+};

src/functions/teams/leave/schema.ts

@@ -0,0 +1,9 @@
+export default {
+  type: 'object',
+  properties: {
+    auth_token: { type: 'string' },
+    auth_email: { type: 'string', format: 'email' },
+    team_id: { type: 'string' },
+  },
+  required: ['auth_token', 'auth_email', 'team_id'],
+} as const;