Get classes route and small changes

models/classroom.py

@@ -1,5 +1,7 @@
+from datetime import datetime
 from .base import Base
-from sqlalchemy import Column, String, Integer, ForeignKey, UniqueConstraint
+from sqlalchemy import (Column, String, Integer, ForeignKey, UniqueConstraint,
+                        DateTime)
 from sqlalchemy.orm import relationship
 
 
@@ -11,6 +13,8 @@ class Class(Base):
     owner = Column(String, ForeignKey('users.email'))
     name = Column(String, nullable=False)
     invite_token = Column(String, nullable=False)
+    created_at = Column(DateTime, default=datetime.utcnow,
+                        nullable=False)
     students = relationship("User", secondary='users_classes_association',
                             back_populates="classes")
     tracks = relationship("Track", secondary='tracks_classes_association',

models/user.py

@@ -10,7 +10,7 @@ class User(Base):
     email = Column(String, primary_key=True)
     name = Column(String, nullable=False)
     nickname = Column(String, nullable=False)
-    is_teacher = Column(Boolean, default=False)
+    is_teacher = Column(Boolean, default=True)
     token = Column(String, nullable=False)
     github_token = Column(String, nullable=False)
     avatar_url = Column(String, nullable=True)

server/templates/index.html

@@ -19,14 +19,14 @@
 	};
       </script>
       {% if debug %}
-    
+
       <script src="http://localhost:3000/static/js/bundle.js""></script>
       <script src="http://localhost:3000/static/js/main.chunk.js"></script>
       <script src="http://localhost:3000/static/js/0.chunk.js"></script>
       {% else %}
       <script type="text/javascript" src="static/js/runtime-main.dee1a991.js"></script>
-      <script type="text/javascript" src="/static/js/2.c9ea58f0.chunk.js"></script>
-      <script type="text/javascript" src="static/js/main.d13865bf.chunk.js"></script>
+      <script type="text/javascript" src="static/js/2.ee937940.chunk.js"></script>
+      <script type="text/javascript" src="static/js/main.5369998a.chunk.js"></script>
       {% endif %}
   </body>
-</html>
+  </html>

server/views/classes.py

@@ -1,12 +1,41 @@
-from flask import Blueprint, Response
+from flask import Blueprint, Response, jsonify
 from models import Class, Track
 from server.utils import extract_token, extract_user, handle_validation_error
 from uuid import uuid4
 
 
+def extract_class_data(classroom):
+    return {
+        "name": classroom.name,
+        "created_at": classroom.created_at.isoformat(),
+        "members": len(classroom.students),
+        "tracks": len(classroom.tracks_classes),
+    }
+
+
 def create_classes_blueprint(db_session, request):
     classes = Blueprint('classes', __name__)
 
+    @classes.route('/', methods=['GET'])
+    @handle_validation_error
+    def get_all_classes():
+        token = extract_token(request)
+        user = extract_user(db_session, token)
+
+        if not user.is_teacher:
+            return Response(response="Only teachers can see classes.",
+                            status=403)
+
+        existing_classes = db_session\
+            .query(Class)\
+            .filter_by(owner=user.email)\
+            .all()
+
+        classes_data = [extract_class_data(classroom)
+                        for classroom in existing_classes]
+
+        return jsonify(classes_data)
+
     @classes.route('/<name>', methods=['POST'])
     @handle_validation_error
     def create_class(name):