Add API support for restaurant,food and drink views, restaurant rating

UI/Database API/hyrieus/flavoursAPI/hyrieus/migrations/0002_auto_20190110_2042.py

@@ -0,0 +1,25 @@
+# Generated by Django 2.1.4 on 2019-01-10 20:42
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hyrieus', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='userratesrestaurant',
+            name='rating_date',
+            field=models.DateField(auto_now=True),
+        ),
+        migrations.AlterField(
+            model_name='userratesrestaurant',
+            name='user',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.DO_NOTHING, to=settings.AUTH_USER_MODEL),
+        ),
+    ]

UI/Database API/hyrieus/flavoursAPI/hyrieus/models.py

@@ -175,11 +175,11 @@ class UserRatesFood(models.Model):
 
 
 class UserRatesRestaurant(models.Model):
-    user = models.ForeignKey(settings.AUTH_USER_MODEL, models.DO_NOTHING)
+    user = models.ForeignKey(settings.AUTH_USER_MODEL, models.DO_NOTHING, blank=True, null=True)
     restaurant = models.ForeignKey(Restaurant, models.DO_NOTHING)
     diet = models.ForeignKey(Diet, models.DO_NOTHING, blank=True, null=True)
     rating_grade = models.IntegerField()
-    rating_date = models.DateField()
+    rating_date = models.DateField(auto_now=True)
     rating_text = models.CharField(max_length=700, blank=True, null=True)
     rating_accessibility = models.CharField(max_length=8, blank=True, null=True)
 

UI/Database API/hyrieus/flavoursAPI/hyrieus/urls.py

@@ -6,7 +6,8 @@ from flavoursAPI.hyrieus.views import (DietViewSet, DietProhibitsIngredientViewS
     IngredientViewSet, PermissionViewSet, RestaurantViewSet, RoleViewSet,
     RoleHasPermissionViewSet, UserViewSet, UserFollowsDietViewSet,
     UserProhibitsIngredientViewSet, UserRatesDrinkViewSet, UserRatesFoodViewSet,
-	UserRatesRestaurantViewSet, UserSetBirthDay,
+    UserRatesRestaurantViewSet, UserSetBirthDay, RestaurantUserView, UserDiets,
+    FoodUserView, DrinkUserView,
 )
 
 router = routers.DefaultRouter()
@@ -31,6 +32,10 @@ router.register(r'userratesrestaurant', UserRatesRestaurantViewSet)
 urlpatterns = [
     # url(r'signup', Signup.as_view()),
     path('setUserBirthday/<int:pk>/', UserSetBirthDay.as_view(), name='setUserBirthday'),
+    path('restaurantUserView/<int:restaurant>/', RestaurantUserView.as_view(), name='restaurantUserView'),
+    path('foodUserView/<int:food>/', FoodUserView.as_view(), name='foodUserView'),
+    path('drinkUserView/<int:drink>/', DrinkUserView.as_view(), name='drinkUserView'),
+    path('userDiets/', UserDiets.as_view(), name='userDiets'),
     path('rest-auth/', include('rest_auth.urls')),
     url(r'^rest-auth/registration/', include('rest_auth.registration.urls'))
 ]

UI/Database API/hyrieus/flavoursAPI/hyrieus/views.py

@@ -1,6 +1,7 @@
 from django.shortcuts import render
+from django.http import Http404
 from decimal import Decimal
-from django.db.models import F, ExpressionWrapper, FloatField
+from django.db.models import F, ExpressionWrapper, FloatField, Avg, Prefetch
 from rest_framework.views import APIView
 from rest_framework import viewsets
 from rest_framework.authentication import SessionAuthentication, BasicAuthentication
@@ -297,6 +298,19 @@ class UserRatesRestaurantViewSet(viewsets.ModelViewSet):
 	authentication_classes = (SessionAuthentication, BasicAuthentication)
 	permission_classes = (IsAuthenticated,)
 
+	def perform_create(self, serializer):
+		user = self.request.user
+
+		try:
+			restaurant = Restaurant.objects.get(pk=self.request._data.get('restaurant'))
+		except Restaurant.DoesNotExist:
+			raise Http404
+
+		if restaurant.restaurant_is_approved == 0:
+			raise PermissionDenied({"message":"You don't have permission to access"})
+
+		serializer.save(user=user)
+
 	def get(self, request, format=None):
 		content = {
 			'user': unicode(request.user),
@@ -314,7 +328,7 @@ class UserSetBirthDay(APIView):
 	def put(self, request, pk, format=None):
 		try:
 			user = User.objects.get(pk=pk)
-		except Snippet.DoesNotExist:
+		except User.DoesNotExist:
 			raise Http404
 
 		if not request.user == user:
@@ -325,3 +339,132 @@ class UserSetBirthDay(APIView):
 			serializer.save()
 			return Response(serializer.data)
 		return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+class RestaurantUserView(APIView):
+	authentication_classes = (SessionAuthentication, BasicAuthentication)
+	permission_classes = (IsAuthenticated,)
+
+	def get(self, request, restaurant, format=None):
+		try:
+			restaurant = Restaurant.objects.get(restaurant_id=restaurant)
+		except Restaurant.DoesNotExist:
+			raise Http404
+
+		user = request.user
+
+		if (not user.role.role_id == 1) and (restaurant.restaurant_is_approved == 0):
+			raise PermissionDenied({"message":"You don't have permission to access"})
+
+		userDiets = UserFollowsDiet.objects.all().filter(user=user).only('diet')
+		restaurantRatings = UserRatesRestaurant.objects.filter(restaurant=restaurant) \
+		.prefetch_related('user')
+
+		averageRating = restaurantRatings.aggregate(Avg('rating_grade'))
+
+		ratingsPerDiet = restaurantRatings.prefetch_related('diet') \
+		.values('diet').filter(diet__in=[ud.diet for ud in userDiets]) \
+		.annotate(average_rating = Avg('rating_grade')) \
+		.annotate(diet_name = F('diet__diet_name'))
+
+		restaurantRatings = restaurantRatings.annotate(username = F('user__username')).values()
+
+		restaurantFoods = Food.objects.all().filter(restaurant=restaurant)
+		restaurantDrinks = Drink.objects.all().filter(restaurant=restaurant)
+		foods = [FoodSerializer(food).data for food in list(restaurantFoods)]
+		drinks = [DrinkSerializer(drink).data for drink in list(restaurantDrinks)]
+
+		data = {'restaurantInfo': RestaurantSerializer(restaurant).data,
+		'averageRating': averageRating,
+		'avgRatingPerDiet': ratingsPerDiet,
+		'foods': foods,
+		'drinks': drinks,
+		'ratings': restaurantRatings}
+
+		return Response(data)
+
+class UserDiets(APIView):
+	authentication_classes = (SessionAuthentication, BasicAuthentication)
+	permission_classes = (IsAuthenticated,)
+
+	def get(self, request, format=None):
+		user = request.user
+
+		userDiets = UserFollowsDiet.objects.all().filter(user=user).prefetch_related('diet')
+		userDiets = Diet.objects.filter(diet_id__in = userDiets.values('diet')) \
+		.values('diet_id', 'diet_name')
+
+		return Response(userDiets)
+
+class FoodUserView(APIView):
+	authentication_classes = (SessionAuthentication, BasicAuthentication)
+	permission_classes = (IsAuthenticated,)
+
+	def get(self, request, food, format=None):
+		try:
+			food = Food.objects.get(food_id=food)
+		except Food.DoesNotExist:
+			raise Http404
+
+		user = request.user
+
+		if (not user.role.role_id == 1) and (food.food_is_approved == 0):
+			raise PermissionDenied({"message":"You don't have permission to access"})
+
+		servingRestaurant = food.restaurant.restaurant_name
+
+		foodRatings = UserRatesFood.objects.filter(food=food).prefetch_related('user')
+
+		averageRating = foodRatings.aggregate(Avg('rating_grade'))
+
+		foodRatings = foodRatings.annotate(username = F('user__username')).values()
+
+		foodIngredients = FoodHasIngredient.objects.filter(food=food).prefetch_related('ingredient_name')
+		foodIngredients = Ingredient.objects.filter(ingredient_name__in = foodIngredients.values('ingredient_name'))
+		foodIngredients = [IngredientSerializer(ingredient).data for ingredient in list(foodIngredients)]
+
+		data = {'foodInfo': FoodSerializer(food).data,
+		'restaurantName': servingRestaurant,
+		'averageRating': averageRating,
+		'ingredients': foodIngredients,
+		'ratings': foodRatings}
+
+		return Response(data)
+
+class DrinkUserView(APIView):
+	authentication_classes = (SessionAuthentication, BasicAuthentication)
+	permission_classes = (IsAuthenticated,)
+
+	def get(self, request, drink, format=None):
+		try:
+			drink = Drink.objects.get(drink_id=drink)
+		except Drink.DoesNotExist:
+			raise Http404
+
+		user = request.user
+
+		if (not user.role.role_id == 1) and (drink.drink_is_approved == 0):
+			raise PermissionDenied({"message":"You don't have permission to access"})
+
+		servingRestaurant = drink.restaurant.restaurant_name
+
+		drinkRatings = UserRatesDrink.objects.filter(drink=drink).prefetch_related('user')
+
+		averageRating = drinkRatings.aggregate(Avg('rating_grade'))
+
+		drinkRatings = drinkRatings.annotate(username = F('user__username')).values()
+
+		drinkIngredients = DrinkHasIngredient.objects.filter(drink=drink).prefetch_related('ingredient_name')
+		drinkIngredients = Ingredient.objects.filter(ingredient_name__in = drinkIngredients.values('ingredient_name'))
+
+		drinkHasAlcohol = drinkIngredients.filter(ingredient_has_alcohol=True).count()
+		drinkIngredients = [IngredientSerializer(ingredient).data for ingredient in list(drinkIngredients)]
+
+
+		data = {'drinkInfo': DrinkSerializer(drink).data,
+		'restaurantName': servingRestaurant,
+		'averageRating': averageRating,
+		'drinkHasAlcohol': True if drinkHasAlcohol>0 else False,
+		'ingredients': drinkIngredients,
+		'ratings': drinkRatings}
+
+		return Response(data)