from django.conf import settings
from django.db import models
from django.contrib.auth.models import User
class Product(models.Model):
    name = models.CharField(max_length=100)
    photo = models.ImageField(upload_to='photo/', default="photo/index.jpg")
    description = models.CharField(max_length=500)
    def __unicode__(self):
        return '{0} {1}'.format( self.name, self.description)
class Rate(models.Model):
    user = models.ForeignKey(User, related_name='rates_by_user')
    product = models.ForeignKey(Product)
    rate = models.IntegerField(default=0)
    def __unicode__(self):
        return '{0} {1}'.format( self.user, self.product)
class Comment(models.Model):
    user = models.ForeignKey(User)
    product = models.ForeignKey(Product)
    text = models.CharField(max_length=500)
    date = models.DateTimeField(auto_now_add=True)
    def __unicode__(self):
        return '{0} {1}'.format( self.text, self.date)

<div ng-controller="ProductIdController">

    <img width="150px" height="150px" ng-src="{{ product.photo }}" />

    <div class="form-group ">
    	<label for="name"> Name:</label>
        {{product.name}}
    </div>

    <div class="form-group">
        <label for="description">Description:</label>
        {{product.description}}
    </div>



    <div  ng-repeat="c in comment" class="bg-info">
        {{c.user.username}}<br>
       <p class=" pull-right"> {{c.date | date:'dd-MM-yyyy HH:mm:ss'}}</p><br>
        <p>{{c.text}}</p>


    </div>

    <div>

        <label for="comment_content" >Add new comment:</label>
         <textarea class="form-control" id="id_text" name="content" rows=1  width="50px" ng-model="selected_description">
         </textarea>

        <button class="btn btn-default" ng-click="submitComment(selected_description)">Submit</button>
    </div>
    <div ng-if="error">
        <div class="alert alert-warning norecordsL" role="alert">{{error}}</div>
    </div>

<div>

 //product detail
productApp.controller('ProductIdController',
	function ($location, $route, $scope, $http, $routeParams, ProductIdService, CommentIdService) {
		ProductIdService.get({pk: $route.current.params.pk}, function (result) {
			$scope.product = result;
		});
		CommentIdService.query({pk: $route.current.params.pk}, function (result) {
			$scope.comment = result;
//			console.log($scope.comment);
		});
		$scope.submitComment = function(){
			var data= {description: $scope.selected_description,
		 			   product:$scope.product.pk,
		 			}
		 	$http({
   				method: 'POST',
    			url: '/api/comment/',
    			data: {
    					text: $scope.selected_description,
		 			   product:$scope.product.pk,
		 			},
			}).success(function (response) {
				console.log(response.user);
			}).error(function (e) {
				console.log(e);
				if (e.user!=undefined){
						$scope.error = 'You must be logged'
					}
//					else{
//						$scope.error = 'Enter text comment'
//					}
			});
//			console.log(data);
			$scope.comment.push(
			CommentIdService.query({pk: $route.current.params.pk}, function (result) {
				$scope.comment = result;
				})
			);
		};
});

def get_last_rate(self):
    try:
        return Rate.objects.filter(user=self.user, product=self.product).order_by('-id')[:1].get()
    except Rate.DoesNotExist:
        return None

{id: 23, name: "Подушка-пердушка", price: 1000, comments: [{user: "FishHook", rate: 5, comment: "jmsdf ksdkln asdvklnasd vklnasdvklnasdv klnasdvklnasdv klnasdvkln asdvkln"},
{user: "babay", rate: 1, comment: "Shit"}
]
}