Added examples of reading and writing to the database

app.py

@@ -5,11 +5,37 @@ from firebase_admin import credentials
 from firebase_admin import firestore
 
 app = Flask(__name__)
+firebase = firebase_admin.initialize_app(credentials.Certificate('firebase-key.json'))
 
 @app.route('/')
 def hello_world():  # put application's code here
     return 'Hello World! I am the dog you tracked with the amazing sensor from LEG industries...kidding this is just the home page :)'
 
+# An example of reading data from Firebase
+# Taken from Firebase documentation
+@app.route('/example/read', methods=['GET'])
+def exampleRead():
+    doc_ref = firestore.client().collection(u'cities').document(u'LA')
+    doc = doc_ref.get()
+    if doc.exists:
+        return f'Document data: {doc.to_dict()}'
+    else:
+        return u'No such document!'
+
+# An example of saving data to Firebase
+# Taken from Firebase documentation
+# This should be a POST method...will change later
+@app.route('/example/write', methods=['GET'])
+def examnpleWrite():
+    data = {
+        u'name': u'Los Angeles',
+        u'state': u'CA',
+        u'country': u'USA'
+    }
+
+    # Add a new doc in collection 'cities' with ID 'LA'
+    firestore.client().collection(u'cities').document(u'LA').set(data)
+    return 'Saved to Firebase'
+
 if __name__ == '__main__':
-    firebase_admin.initialize_app(credentials.Certificate('firebase-key.json'))
     app.run()