create django proxi service of backend apis

Author: jcob

server/djangoapp/.env

@@ -1,2 +1,2 @@
 backend_url =https://jolaya32-3030.theiadockernext-1-labs-prod-theiak8s-4-tor01.proxy.cognitiveclass.ai
-sentiment_analyzer_url=your code engine deployment url
+sentiment_analyzer_url=https://sentianalyzer.1yqx09tnj90k.us-south.codeengine.appdomain.cloud/analyze/Fantastic%20services%20t

server/djangoapp/restapis.py

@@ -28,9 +28,21 @@ def get_request(endpoint, **kwargs):
         # If any error occurs
         print("Network exception occurred")
 
-# def analyze_review_sentiments(text):
-# request_url = sentiment_analyzer_url+"analyze/"+text
-# Add code for retrieving sentiments
+def analyze_review_sentiments(text):
+    request_url = sentiment_analyzer_url+"analyze/"+text
+    try:
+        # Call get method of requests library with URL and parameters
+        response = requests.get(request_url)
+        return response.json()
+    except Exception as err:
+        print(f"Unexpected {err=}, {type(err)=}")
+        print("Network exception occurred")
 
-# def post_review(data_dict):
-# Add code for posting review
+def post_review(data_dict):
+    request_url = backend_url+"/insert_review"
+    try:
+        response = requests.post(request_url,json=data_dict)
+        print(response.json())
+        return response.json()
+    except:
+        print("Network exception occurred")

server/djangoapp/urls.py

@@ -15,7 +15,11 @@
     path(route='get_cars', view=views.get_cars, name ='getcars'),
 
     # path for dealer reviews view
+    path(route='get_dealers', view=views.get_dealerships, name='get_dealers'),
+    path(route='get_dealers/<str:state>', view=views.get_dealerships, name='get_dealers_by_state'),
+    path(route='dealer/<int:dealer_id>', view=views.get_dealer_details, name='dealer_details'),
 
     # path for add a review view
+    path(route='add_review', view=views.add_review, name='add_review'),
 
 ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

server/djangoapp/views.py

@@ -16,6 +16,7 @@
 from .populate import initiate
 
 from .models import CarMake, CarModel
+from .restapis import get_request, analyze_review_sentiments, post_review
 
 # Get an instance of a logger
 logger = logging.getLogger(__name__)
@@ -91,17 +92,46 @@ def registration(request):
 
 # # Update the `get_dealerships` view to render the index page with
 # a list of dealerships
-# def get_dealerships(request):
-# ...
+#Update the `get_dealerships` render list of dealerships all by default, particular state if state is passed
+def get_dealerships(request, state="All"):
+    if(state == "All"):
+        endpoint = "/fetchDealers"
+    else:
+        endpoint = "/fetchDealers/"+state
+    dealerships = get_request(endpoint)
+    return JsonResponse({"status":200,"dealers":dealerships})
 
 # Create a `get_dealer_reviews` view to render the reviews of a dealer
-# def get_dealer_reviews(request,dealer_id):
-# ...
+def get_dealer_reviews(request, dealer_id):
+    # if dealer id has been provided
+    if(dealer_id):
+        endpoint = "/fetchReviews/dealer/"+str(dealer_id)
+        reviews = get_request(endpoint)
+        for review_detail in reviews:
+            response = analyze_review_sentiments(review_detail['review'])
+            print(response)
+            review_detail['sentiment'] = response['sentiment']
+        return JsonResponse({"status":200,"reviews":reviews})
+    else:
+        return JsonResponse({"status":400,"message":"Bad Request"})
 
 # Create a `get_dealer_details` view to render the dealer details
-# def get_dealer_details(request, dealer_id):
-# ...
+def get_dealer_details(request, dealer_id):
+    if(dealer_id):
+        endpoint = "/fetchDealer/"+str(dealer_id)
+        dealership = get_request(endpoint)
+        return JsonResponse({"status":200,"dealer":dealership})
+    else:
+        return JsonResponse({"status":400,"message":"Bad Request"})
 
 # Create a `add_review` view to submit a review
-# def add_review(request):
-# ...
+def add_review(request):
+    if(request.user.is_anonymous == False):
+        data = json.loads(request.body)
+        try:
+            response = post_review(data)
+            return JsonResponse({"status":200})
+        except:
+            return JsonResponse({"status":401,"message":"Error in posting review"})
+    else:
+        return JsonResponse({"status":403,"message":"Unauthorized"})