Wire Frontend with Backend

apps/backend/db/db_setup.sql

@@ -94,9 +94,12 @@ INSERT INTO project_memberships (project_id, user_id, role, start_date, hours) V
 (2, 3, 'Staff', '2025-03-15', 60.00);
 
 INSERT INTO expenditures (project_id, entered_by, amount, category, description, spent_on) VALUES
-(1, 1, 5000, 'Travel', 'Conference attendance', '2025-02-10'),
-(2, 2, 3000, 'Equipment', 'Purchase of recording devices', '2025-04-05'),
-(3, 3, 2500, 'Supplies', 'Educational materials', '2025-07-12');
+(1, 1, 5000, 'Travel', 'Domestic conference attendance', '2025-02-10'),
+(1, 1, 4200, 'Travel Foreign', 'International collaborator meeting in London', '2025-03-22'),
+(2, 2, 3000, 'General', 'Recording device supplies', '2025-04-05'),
+(2, 2, 1500, 'Visitor / Honorarium', 'Guest lecturer honorarium', '2025-05-18'),
+(3, 3, 2500, 'General', 'Educational materials', '2025-07-12'),
+(3, 3, 1800, 'Travel', 'Local outreach travel', '2025-08-03');
 
 INSERT INTO reports (project_id, object_url) VALUES
 (1, 'https://s3.amazonaws.com/branch-reports/clinician_communication_study_report.pdf'),

apps/backend/docker-compose.yml

@@ -74,6 +74,8 @@ services:
       DB_USER: ${DB_USER:-branch_dev}
       DB_PASSWORD: ${DB_PASSWORD:-password}
       DB_NAME: ${DB_NAME:-branch_db}
+      COGNITO_USER_POOL_ID: ${COGNITO_USER_POOL_ID}
+      COGNITO_APP_CLIENT_ID: ${COGNITO_CLIENT_ID}
     ports:
       - '3003:3000'
     depends_on:
@@ -93,6 +95,8 @@ services:
       DB_USER: ${DB_USER:-branch_dev}
       DB_PASSWORD: ${DB_PASSWORD:-password}
       DB_NAME: ${DB_NAME:-branch_db}
+      COGNITO_USER_POOL_ID: ${COGNITO_USER_POOL_ID}
+      COGNITO_CLIENT_ID: ${COGNITO_CLIENT_ID}
     ports:
       - '3004:3000'
     depends_on:

apps/backend/lambdas/donors/README.md

@@ -10,7 +10,8 @@ Lambda for managing donors.
 |--------|------|-------------|
 | GET | /health | Health check |
 | GET | /donors |  |
-| GET | /donations |  |
+| POST | /donations |  |
+| POST | /donors |  |
 
 ## Setup
 

apps/backend/lambdas/donors/handler.ts

@@ -11,6 +11,11 @@ export const handler = async (event: any): Promise<APIGatewayProxyResult> => {
     const normalizedPath = rawPath.replace(/\/$/, '');
     const method = (event.requestContext?.http?.method || event.httpMethod || 'GET').toUpperCase();
 
+    // CORS preflight
+    if (method === 'OPTIONS') {
+      return json(200, {});
+    }
+
     // Health check
     if ((normalizedPath.endsWith('/health') || normalizedPath === '/health') && method === 'GET') {
       return json(200, { ok: true, timestamp: new Date().toISOString() });
@@ -126,6 +131,13 @@ export const handler = async (event: any): Promise<APIGatewayProxyResult> => {
         .execute();
       return json(200, { data: donations });
     }
+
+    // POST /donors
+    if (normalizedPath === '/donors' && method === 'POST') {
+      const body = event.body ? JSON.parse(event.body) as Record<string, unknown> : {};
+      // TODO: Add your business logic here
+      return json(201, { ok: true, route: 'POST /donors', body });
+    }
     // <<< ROUTES-END
 
     return json(404, { message: 'Not Found', path: normalizedPath, method });

apps/backend/lambdas/donors/openapi.yaml

@@ -25,3 +25,43 @@ paths:
       responses:
         '200':
           description: OK
+
+  /donors:
+    post:
+      summary: POST /donors
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                organization:
+                  type: string
+                contact_name:
+                  type: string
+                contact_email:
+                  type: string
+      responses:
+        '201':
+          description: Success
+
+  /donations:
+    post:
+      summary: POST /donations
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                donor_id:
+                  type: integer
+                project_id:
+                  type: integer
+                amount:
+                  type: number
+      responses:
+        '201':
+          description: Success

apps/backend/lambdas/expenditures/handler.ts

@@ -12,6 +12,11 @@ export const handler = async (event: any): Promise<APIGatewayProxyResult> => {
     const normalizedPath = rawPath.replace(/\/$/, '');
     const method = (event.requestContext?.http?.method || event.httpMethod || 'GET').toUpperCase();
 
+    // CORS preflight
+    if (method === 'OPTIONS') {
+      return json(200, {});
+    }
+
     // Health check
     if ((normalizedPath.endsWith('/health') || normalizedPath === '/health') && method === 'GET') {
       return json(200, { ok: true, timestamp: new Date().toISOString() });

apps/backend/lambdas/expenditures/test/expenditures.e2e.test.ts

@@ -224,7 +224,7 @@ describe('Expenditures integration tests', () => {
       expect(res.statusCode).toBe(200);
       const body = JSON.parse(res.body);
       expect(Array.isArray(body.data)).toBe(true);
-      expect(body.data.length).toBe(3);
+      expect(body.data.length).toBe(6);
       expect(body.pagination).toBeUndefined();
     });
 
@@ -233,8 +233,9 @@ describe('Expenditures integration tests', () => {
       const res = await handler(getEvent('/'));
       const body = JSON.parse(res.body);
       const dates = body.data.map((e: any) => new Date(e.spent_on).getTime());
-      expect(dates[0]).toBeGreaterThanOrEqual(dates[1]);
-      expect(dates[1]).toBeGreaterThanOrEqual(dates[2]);
+      for (let i = 0; i < dates.length - 1; i++) {
+        expect(dates[i]).toBeGreaterThanOrEqual(dates[i + 1]);
+      }
     });
 
     test('200: paginated response with page and limit', async () => {
@@ -246,8 +247,8 @@ describe('Expenditures integration tests', () => {
       expect(body.pagination).toBeDefined();
       expect(body.pagination.page).toBe(1);
       expect(body.pagination.limit).toBe(1);
-      expect(body.pagination.totalItems).toBe(3);
-      expect(body.pagination.totalPages).toBe(3);
+      expect(body.pagination.totalItems).toBe(6);
+      expect(body.pagination.totalPages).toBe(6);
     });
 
     test('200: page 2 returns second item', async () => {
@@ -264,8 +265,8 @@ describe('Expenditures integration tests', () => {
       const res = await handler(getEvent('/', { page: '1', limit: '100' }));
       const body = JSON.parse(res.body);
       expect(res.statusCode).toBe(200);
-      expect(body.data.length).toBe(3);
-      expect(body.pagination.totalItems).toBe(3);
+      expect(body.data.length).toBe(6);
+      expect(body.pagination.totalItems).toBe(6);
       expect(body.pagination.totalPages).toBe(1);
     });
 
@@ -275,7 +276,7 @@ describe('Expenditures integration tests', () => {
       const body = JSON.parse(res.body);
       expect(res.statusCode).toBe(200);
       expect(body.pagination).toBeUndefined();
-      expect(body.data.length).toBe(3);
+      expect(body.data.length).toBe(6);
     });
 
     test('200: only limit provided returns all without pagination', async () => {
@@ -284,7 +285,7 @@ describe('Expenditures integration tests', () => {
       const body = JSON.parse(res.body);
       expect(res.statusCode).toBe(200);
       expect(body.pagination).toBeUndefined();
-      expect(body.data.length).toBe(3);
+      expect(body.data.length).toBe(6);
     });
 
     test('200: filter by projectId returns only matching expenditures', async () => {
@@ -300,7 +301,7 @@ describe('Expenditures integration tests', () => {
       const res = await handler(getEvent('/', { projectId: '1', page: '1', limit: '10' }));
       const body = JSON.parse(res.body);
       expect(res.statusCode).toBe(200);
-      expect(body.pagination.totalItems).toBe(1);
+      expect(body.pagination.totalItems).toBe(2);
       expect(body.data.every((e: any) => e.project_id === 1)).toBe(true);
     });