[PROJECT] 술담화 프로젝트_2 (Product views)

☄️ 현재까지 프로젝트 진행 순서(Backend)

1. Django 초기세팅
2. ERD
3. models.py 작성후 migration (User, Product)
4. views.py (Signup, Login, Productlist, Productdetail)

signup, login view는 instagram clone project에서 해봤기 때문에 수월하게 진행 되었는데, Product 관련 view는 처음이다보니 시간도 걸리고 모델링 수정도 많이 하게 되었다.

🙋‍♀️ Productlist, Productdetail

첫 번째 도전의! 코드!

import json

from django.views     import View
from django.http      import JsonResponse

from products.models  import Product, ProductImage, Category, CategoryImage, Comment, AlcoholType, FingerFood, FingerFoodImage, Taste

class ProductListView(View):
    def get(self, request):
        category   = request.GET.get('category', None)
        searching  = request.GET.get('name', None)

        products = Product.objects.all()
        products = Product.objects.filter(name__icontains=searching) if searching else products

        product_list = [{
                    'id'              : product.id,
                    'name'            : product.name,
                    'price'           : product.price,
                    'product_image'   : productimage.image_url,
                    'description_tag' : product.description_tag,
                    }]
                    
        except ValueError:
            return JsonResponse({'message': 'VALUE_ERROR'}, status = 400)
        return JsonResponse({'message': 'SUCCESS', 'product_list': product_list}, status = 200)

class ProductDetailView(View):
    def get(self, request, product_id):
        try:
            product = Product.objects.select_related('category', 'alcohol_type').get(id=product_id)

            product_detail = {
                'id'                 : product.id,
                'size'               : product.size,
                'name'               : product.name,
                'description_detail' : product.description_detail,
                'description_tag'    : product.description_tag,
                'price'              : product.price,
                'alcohol_percentage' : product.alcohol_percentage,
                'category'           : product.category.name,
                'alcohol_type'       : product.alcohol_type.type,
                'product_image'      : productimage.image_url,
                'comment'            : comment.content,
                'taste'              : taste.type,
                'finger_food'        : fingerfood.name,
                'finger_food_image'  : fingerfoodimage.image_url,
                }

        except Product.DoesNotExist:
            return JsonResponse({'message': 'PRODUCT_NOT_FOUND'}, status = 404)
        return JsonResponse({'message': 'SUCCESS', 'product_detail': product_detail}, status = 200)

🙋‍♀️ Detailview만 첫번째 통신 성공!

(통신만을 위한 코드 / 주석처리하고 FE와 통신만 맞춰보았다.)

class ProductDetailView(View):
    def get(self, request):
        try:
            products          = Product.objects.all()
            # products_images   = ProductImage.objects.all()
            # categories        = Category.objects.all()
            # tastes            = Taste.objects.all()
            # comments          = Comment.objects.all()
            # finger_food       = FingerFood.objects.all()
            # finger_food_image = FingerFoodImage.objects.all()
            product_detail=[]
            for product in products:
                product_detail.append({
                    'id'                 : product.id,
                    'size'               : product.size,
                    'name'               : product.name,
                    'description_detail' : product.description_detail,
                    'description_tag'    : product.description_tag,
                    'price'              : product.price,
                    'alcohol_percentage' : product.alcohol_percentage
                    })
            # for j in categories:
            #     product_detail.append({
            #         'category'           : categories.category
            #         })
            # for k in products_images:
            #     product_detail.append({
            #         'product_image'      : products_images.image_url
            #     })
            # for l in comments:
            #     product_detail.append({
            #         'comment'            : comments.content
            #     })
            # for m in tastes:
            #     product_detail.append({
            #         'taste'              : tastes.type
            #     })
            # for n in finger_food:
            #     product_detail.append({
            #         'finger_food'        : finger_food.name
            #     })
            # for o in finger_food_image:
            #     product_detail.append({
            #     'finger_food_image'  : finger_food_image.image_url
            # })

        except Product.DoesNotExist:
            return JsonResponse({'message': 'PRODUCT_NOT_FOUND'}, status = 404)
        return JsonResponse({
            "message": 'SUCCESS', 
            'product_detail': product_detail}, 
            status = 200)

🤔 product category 카테고리

필요한 페이지라고 생각해 view를 짰는데 .. 착각했던 페이지였다.
FE 와의 소통이 매우 중요하다는 것을 다시 한 번 느꼈다.

class MainCategoryListView(View):
    def get(self, request, product_id):
        try:
            product        = Product.objects.select_related('category', 'alcohol_type').get(id=product_id)
            category       = Category.objects.all()
            alcohol_types  = AlcoholType.objects.all()
            category_image = CategoryImage.objects.all()
            products_image = ProductImage.objects.all()
            category_list  = [{
                'category_image' : category_image.image_url,
                'category'       : category.name
            }]
            product_list = [{
                        'id'              : products.id,
                        'name'            : products.name,
                        'price'           : products.price,
                        'alcohol_type'    : alcohol_types.type,
                        'product_image'   : products_image.image_url,
                        'description_tag' : products.description_tag,
                        }]

        except ValueError:
            return JsonResponse({'message': 'VALUE_ERROR'}, status = 400)
        return JsonResponse({
            'message': 'SUCCESS','category_list': category_list,'product_list': product_list}, status = 200)

🙋‍♀️ 코드 리뷰 후 코드

import json, re, random

from django.shortcuts import render
from django.views     import View
from django.http      import JsonResponse
from django.db.models import Q

from products.models  import Category, Product

'''
http로 통신이 된다면?

            #http://localhost:8000/products?categoryId=1
            #http://localhost:8000/products?offset=0&limit=12
            {"categoryId" : 1}
'''

class ProductListView(View):
    def get(self, request):
        try:
            category_id = request.GET.get('categoryId', None)
            searching   = request.GET.get('productName', None)
            offset      = request.GET.get('offset', 0)
            limit       = request.GET.get('limit', 30)

            #category_list = []
            #categories    = Category.objects.all()
            #for category in categories:
            #    category_list.append({
            #    'category'       : category.id,
            #    'category_image' : category.categoryimage_set.first().image_url,
            #    })

#Q를 사용해 if문 두 개를 한번에 묶어 주었다.
            filter_condition = Q()

            if category_id:
                filter_condition &= Q(category_id=category_id)

            if searching:
                filter_condition &= Q(name__icontains=searching)

            products = Product.objects.filter(filter_condition).order_by('?')[offset:offset+limit]

            product_list = [{
                #'category_id'     : product.category.id,
                'product_id'      : product.id,
                'name'            : product.name,
                'price'           : product.price,
                'description_tag' : product.description_tag,
                'products_image'  : product.productimage_set.first().image_url,
            } for product in products]

            return JsonResponse({'product_list' : product_list}, status = 200)

        except ValueError:
            return JsonResponse({'message':'VALUE_ERROR'}, status = 400)