hello

lesson-1-refactoring-from-a-monolith/udacredit-monolith/api1/Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.7-slim
+RUN mkdir /backend
+WORKDIR /backend
+COPY requirements.txt /backend/requirements.txt
+RUN pip install --upgrade pip && \
+    pip install -r requirements.txt
+COPY . .

lesson-1-refactoring-from-a-monolith/udacredit-monolith/api1/app.py

@@ -0,0 +1,59 @@
+from flask import Flask, jsonify, make_response
+
+from .services.customers import get_customers
+from .services.employees import get_employees
+from .services.notifications import send_notifications
+
+app = Flask(__name__)
+
+# Mozilla provides good references for Access Control at:
+# https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS
+# https://developer.mozilla.org/en-US/docs/Web/HTTP/Server-Side_Access_Control
+
+@app.route('/api/customers', methods=['GET'])
+def customers():
+    """Return a JSON response for all customers."""
+    sample_response = {
+        "customers": get_customers()
+    }
+    # JSONify response
+    response = make_response(jsonify(sample_response))
+
+    # Add Access-Control-Allow-Origin header to allow cross-site request
+    response.headers['Access-Control-Allow-Origin'] = 'http://localhost:3000'
+
+    return response
+
+
+@app.route('/api/employees', methods=['GET'])
+def employees():
+    """Return a JSON response for all employees."""
+    sample_response = {
+        "employees": get_employees()
+    }
+    # JSONify response
+    response = make_response(jsonify(sample_response))
+
+    # Add Access-Control-Allow-Origin header to allow cross-site request
+    response.headers['Access-Control-Allow-Origin'] = 'http://localhost:3000'
+
+    return response
+
+
+@app.route('/api/employees/notifications', methods=['POST'])
+def notifications():
+    # Notifications service can be used to remind employees to fill out their timecards
+    employee_emails = [employee.get('email') for employee in get_employees()]
+    send_notifications(employee_emails)
+
+    sample_response = {
+        "recipients": employee_emails
+    }
+
+    # JSONify response
+    response = make_response(jsonify(sample_response))
+
+    # Add Access-Control-Allow-Origin header to allow cross-site request
+    response.headers['Access-Control-Allow-Origin'] = 'http://localhost:3000'
+
+    return response

lesson-1-refactoring-from-a-monolith/udacredit-monolith/api1/requirements.txt

@@ -0,0 +1 @@
+Flask==1.1.2

lesson-1-refactoring-from-a-monolith/udacredit-monolith/api1/services/customers.py

@@ -0,0 +1,7 @@
+def get_customers():
+    return [
+        {"id": 1, "name": "John Smith", "balance": "$2000"},
+        {"id": 2, "name": "Ronald Alberts", "balance": "$500"},
+        {"id": 3, "name": "Raymond Sparks", "balance": "$250"},
+        {"id": 4, "name": "Amy Salvador", "balance": "$890"}
+    ]

lesson-1-refactoring-from-a-monolith/udacredit-monolith/api1/services/employees.py

@@ -0,0 +1,7 @@
+def get_employees():
+    return [
+        {"id": 1, "name": "Faye Solomon", "email": "fsolomon@udacredit.com"},
+        {"id": 2, "name": "Frank Chang", "email": "fchang@udacredit.com"},
+        {"id": 3, "name": "Cullen Ocean", "email": "cocean@udacredit.com"},
+        {"id": 4, "name": "Arvind Patel", "email": "apatel@udacredit.com"}
+    ]

lesson-1-refactoring-from-a-monolith/udacredit-monolith/api1/services/notifications.py

@@ -0,0 +1,3 @@
+def send_notifications(recipients):
+    # this method is stubbed -- we don't want to send anything!
+    return

lesson-1-refactoring-from-a-monolith/udacredit-monolith/docker-compose.yml

@@ -12,6 +12,17 @@ services:
     ports:
       - "5000:5000"
 
+  api1:
+    build: api1
+    command: ["flask", "run", "--host=0.0.0.0"]
+    volumes:
+      - ./api:/backend
+    environment:
+      - FLASK_ENV=development
+      - FLASK_APP=app.py
+    ports:
+      - "5001:5000"
+
   client:
     tty: true
     build: client