added user rating

ofu_app/apps/food/admin.py

@@ -2,10 +2,11 @@
 from __future__ import unicode_literals
 
 from django.contrib import admin
-from apps.food.models import SingleFood, Menu, HappyHour
+from apps.food.models import SingleFood, Menu, HappyHour, UserRating
 
 # Register your models here.
 admin.site.register(SingleFood)
 admin.site.register(Menu)
 admin.site.register(HappyHour)
+admin.site.register(UserRating)
 

ofu_app/apps/food/migrations/0002_userrating.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.2 on 2017-10-29 22:35
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('food', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UserRating',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('rating', models.FloatField(default=0)),
+                ('food', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='food.SingleFood')),
+                ('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

ofu_app/apps/food/migrations/0003_auto_20171029_2341.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.2 on 2017-10-29 22:41
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('food', '0002_userrating'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='userrating',
+            name='id',
+            field=models.AutoField(primary_key=True, serialize=False),
+        ),
+    ]

ofu_app/apps/food/migrations/0004_auto_20171029_2343.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.2 on 2017-10-29 22:43
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('food', '0003_auto_20171029_2341'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='userrating',
+            name='food',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='food.SingleFood'),
+        ),
+        migrations.AlterField(
+            model_name='userrating',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
+        ),
+    ]

ofu_app/apps/food/migrations/0005_auto_20171030_0023.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.2 on 2017-10-29 23:23
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('food', '0004_auto_20171029_2343'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='singlefood',
+            name='fifth_star',
+        ),
+        migrations.RemoveField(
+            model_name='singlefood',
+            name='first_star',
+        ),
+        migrations.RemoveField(
+            model_name='singlefood',
+            name='fourth_star',
+        ),
+        migrations.RemoveField(
+            model_name='singlefood',
+            name='second_star',
+        ),
+        migrations.RemoveField(
+            model_name='singlefood',
+            name='third_star',
+        ),
+    ]

ofu_app/apps/food/models.py

@@ -2,6 +2,7 @@
 from __future__ import unicode_literals
 from django.utils import timezone
 from django.db import models
+from django.contrib.auth.models import User
 
 MAX_LENGTH = 60
 
@@ -28,11 +29,6 @@ class SingleFood(models.Model):
     price_guest = models.CharField(max_length=10, blank=True, null=True)
     image = models.ImageField(upload_to='food/%Y/%m/', blank=True)
     rating = models.FloatField(default=0)
-    first_star = models.SmallIntegerField(default=0)
-    second_star = models.SmallIntegerField(default=0)
-    third_star = models.SmallIntegerField(default=0)
-    fourth_star = models.SmallIntegerField(default=0)
-    fifth_star = models.SmallIntegerField(default=0)
     allergens = models.ManyToManyField("Allergene", blank=True)
 
     def __str__(self):
@@ -60,3 +56,13 @@ class HappyHour(models.Model):
 
     def __str__(self):
         return "Date: %s, Location: %s" % (self.date.strftime("%Y.%m.%d"), self.location)
+
+
+class UserRating(models.Model):
+    id = models.AutoField(primary_key=True)
+    user = models.ForeignKey(User, on_delete=models.CASCADE, unique=False)
+    food = models.ForeignKey(SingleFood)
+    rating = models.FloatField(default=0)
+
+    def __str__(self):
+        return "User: %s - Rating: %s" % (self.user.username, self.rating)

ofu_app/apps/food/views.py

@@ -5,7 +5,7 @@ import datetime
 
 from django.shortcuts import render
 
-from apps.food.models import Menu, HappyHour, SingleFood
+from apps.food.models import Menu, HappyHour, SingleFood, UserRating
 from django.http import HttpResponse
 from rest_framework import viewsets, generics
 from rest_framework import status
@@ -80,29 +80,27 @@ def food(request):
 
 
 def food_rating(request):
-    food_id = request.GET.get('food_id', None)
-    rating = request.GET.get('rating', None)
-    if food_id and rating:
-        print("ID: %s, RATING: %s" % (food_id, rating))
-        food = SingleFood.objects.get(id=food_id)
-        if rating == str(1):
-            food.first_star = food.first_star + 1
-        if rating == str(2):
-            food.second_star += 1
-        if rating == str(3):
-            food.third_star += 1
-        if rating == str(4):
-            food.fourth_star += 1
-        if rating == str(5):
-            food.fifth_star += 1
-        global_count = food.first_star + food.second_star + food.third_star + food.fourth_star + food.fifth_star
-        sum = food.first_star * 1 + food.second_star * 2 + food.third_star * 3 + food.fourth_star * 4 + food.fifth_star * 5
-        food.rating = sum / global_count
-        print("SUMME: " + str(sum / global_count))
-        food.save()
-        return HttpResponse(status=200)
+    if (request.user.is_authenticated):
+        food_id = request.GET.get('food_id', None)
+        rating = request.GET.get('rating', None)
+        if food_id and rating:
+            food = SingleFood.objects.get(id=food_id)
+            user_rating, created = UserRating.objects.get_or_create(user=request.user,
+                                                                    food=food)
+            user_rating.rating = rating
+            user_rating.save()
 
-    return HttpResponse(status=404)
+            food_user_ratings = UserRating.objects.all().filter(food=food)
+            sum = 0
+            for food_user_rating in food_user_ratings:
+                sum += food_user_rating.rating
+
+            food.rating = sum / food_user_ratings.count()
+            food.save()
+            return HttpResponse(status=200)
+        return HttpResponse(status=404)
+
+    return HttpResponse(status=403)
 
 
 def food_image(request):

ofu_app/static/js/food/rating.js

@@ -25,6 +25,7 @@ function add_Stars() {
         var rating = $(this).data('rating');
         console.log("ITEM: " + $(this) + " FOOD-ID: " + food + " FOOD-RATING: " + rating);
         for (var i = 0; i < 5; i++) {
+            $(this).find('.rating-wrapper').addClass('food-' + food);
             $(this).find('.rating-wrapper').append('<i class="star-' + (i + 1) + '-' + food + ' fa fa-star-o star" aria-hidden="true"></i>');
         }
         buildRating(food, rating);
@@ -78,9 +79,22 @@ function sendRating(obj) {
     var xhttp = new XMLHttpRequest();
     xhttp.onreadystatechange = function () {
         if (this.readyState == 4 && this.status == 200) {
+            console.log("sent");
+        }
+        if (this.readyState == 4 && this.status == 403) {
+            console.log("ERROR");
+            ratingError('food-' + food_id);
         }
     };
     console.log(url + "?rating=" + rating + "&food_id=" + food_id);
     xhttp.open("GET", url + "?rating=" + rating + "&food_id=" + food_id, true);
     xhttp.send();
+}
+
+function ratingError(obj) {
+    console.log("Show in " + obj);
+    $('.' + obj).append('<p class="rating-error">Please Log in to use the Rating function</p>');
+    setTimeout(function () {
+        $('.rating-error').remove();
+    }, 1500);
 }