def save_model(self, request, obj, form, change):
# 数据保存
obj.save()
# 附加逻辑:发出重新生成静态详情页面的任务消息
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.id)
def update(self, instance, validated_data):
# 根据传入的specs规格和选项信息插入中间表数据
specs = validated_data.pop('specs')
with transaction.atomic():
save_id = transaction.savepoint()
try:
# 更新主表数据
SKU.objects.filter(pk=instance.id).update(**validated_data)
# 更新中间数据
# 1、删除原有的中间表数据
SKUSpecification.objects.filter(sku_id=instance.id).delete()
# 2、插入新的中间表数据
for temp in specs:
# temp: {spec_id: "4", option_id: 8}
temp['sku_id'] = instance.id
SKUSpecification.objects.create(**temp)
except Exception as e:
transaction.savepoint_rollback(save_id)
raise e
transaction.savepoint_commit(save_id)
generate_static_sku_detail_html.delay(instance.id)
return instance
def delete_model(self, request, obj):
"""admin后台删除了数据时调用"""
sku_id = obj.sku.id
obj.delete()
# 生成静态页面 -- sku详情页面
generate_static_sku_detail_html.delay(sku_id)
def save_model(self, request, obj, form, change):
# 当新增、修改对象时，这个方法会执行
super().save_model(request, obj, form, change)
print(1)
#生成静态文件
generate_static_sku_detail_html.delay(obj.id)
print(2)
def create(self, validated_data):
# 1,获取用户对象
code = validated_data['img'].replace('data:image/jpeg;base64,', '').replace('data:image/png;base64,','')
imgData = base64.b64decode(code)
url = storage(imgData)
del validated_data['img']
blog = super().create(validated_data)
blog.user_id = 12
blog.img = 'http://pps8t245f.bkt.clouddn.com/'+url
# 获取当前时间
time_now = int(time.time())
# 转换成localtime
time_local = time.localtime(time_now)
# 转换成新的时间格式(2016-05-09 18:59:20)
dt = time.strftime("%Y-%m-%d", time_local)
blog.time = dt
blog.save()
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(blog.id)
return blog
def save_model(self, request, obj, form, change):
obj.save()
sku= obj.sku # 获取图片所对应的sku
if sku.default_image_url == None: # 如果当前sku没有默认的图片
sku.default_image_url = obj.image.url # 把当前的图片路径设置到sku中
generate_static_sku_detail_html.delay(sku.id)
def save_models(self):
"""admin后台新增或修改了数据时调用"""
obj = self.new_obj
obj.save()
# 生成静态页面 -- sku详情页面
generate_static_sku_detail_html.delay(obj.id)
def delete_model(self, request, obj):
sku_id = obj.sku.id
obj.delete()
# 补充操作: 发送重新生成对应商品详情页面的任务消息
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(sku_id)
def save_models(self):
# 保存数据对象
obj = self.new_obj
obj.save()
# 补充自定义行为
generate_static_sku_detail_html.delay(obj.sku.id)
def delete_model(self):
obj = self.obj
sku_id = obj.sku.id
obj.delete()
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(sku_id)
def delete_models(self):
"""admin后台删除了数据时调用"""
obj = self.obj
sku_id = obj.sku.id
obj.delete()
generate_static_sku_detail_html.delay(sku_id)
def save_models(self):
# 保存数据对象
obj = self.new_obj
obj.save()
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.sku.id)
def update(self, instance, validated_data):
specs = validated_data.get('specs')
if 'specs' in validated_data:
del validated_data['specs']
with transaction.atomic():
save_point = transaction.savepoint()
try:
# instance = super().update(instance, validated_data)
SKU.objects.filter(id=instance.id).update(**validated_data)
for item in specs:
SKUSpecification.objects.filter(
sku_id=instance.id,
spec_id=item.get('spec_id')).update(
option_id=item.get('option_id'))
except Exception:
transaction.savepoint_rollback(save_point)
raise serializers.ValidationError('更新失败')
else:
transaction.savepoint_commit(save_point)
# 生成详情页面
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(instance.id)
return instance
def save_model(self, request, obj, form, change):
# 进行数据保存
obj.save()
# 附加操作: 发送重新生成指定商品详情页面任务
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.id)
def create(self, validated_data):
# 1.写入sku
# specs = [OrderedDict([('spec_id', 4), ('option_id', 8)]), OrderedDict([('spec_id', 5), ('option_id', 12)])]
if validated_data['specs']:
specs = validated_data.get('specs')
del validated_data['specs']
from django.db import transaction
with transaction.atomic():
save_id = transaction.savepoint()
try:
sku = SKU.objects.create(**validated_data)
# 2.写入sku对应的规格选项信息
for spec in specs:
SKUSpecification.objects.create(
sku=sku,
spec_id=spec.get('spec_id'),
option_id=spec.get('option_id'))
# 调用异步方法之前,自己添加一个默认图片
sku.default_image = 'group1/M00/00/02/CtM3BVrRdssdhfjDFGhfweu00672544'
sku.save()
except Exception as e:
transaction.savepoint_rollback(save_id)
else:
transaction.savepoint_commit(save_id)
# 触发一个异步任务
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(sku.id)
return sku
def save_models(self):
"""保存数据对象"""
obj = self.new_obj
obj.save()
# 补充自定义的异步任务
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.sku.id)
def delete_model(self, request, obj):
# 数据保存
sku_id = obj.sku.id
obj.delete()
# 附加逻辑：发出重新生成静态详情页面的任务消息
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(sku_id)
def delete_model(self):
# 删除数据对象
obj = self.obj
sku_id = obj.sku.id
obj.delete()
# 补充自定义行为
generate_static_sku_detail_html.delay(sku_id)
def delete_model(self, request, obj):
# 数据删除
sku_id = obj.sku.id
obj.delete()
# 发出任务消息
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(sku_id)
def save_models(self):
# 获取保存数据对象
obj = self.new_obj
obj.save()
# 附加操作: 发出重新生成指定商品的详情页面的任务消息
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.sku.id)
def save_model(self, request, obj, form, change):
obj.save()
generate_static_sku_detail_html.delay(obj.sku.id)
sku=obj.sku
if not sku.default_image_url:
sku.default_image_url=obj.image.url
sku.save()
def save_models(self):
# 数据保存
obj = self.new_obj
obj.save()
# 附加逻辑：发出重新生成静态详情页面的任务消息
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.sku.id)
def delete_model(self, request, obj):
obj.delete()
sku = obj.sku # 获取到图片模型对象关联的sku模型
# 重新生成新的列表静态界面
generate_static_sku_detail_html.delay(sku.id)
def save_model(self, request, obj, form, change):
"""数据保存时调用(更新&新增)"""
# 数据保存
obj.save()
# 补充操作: 发送重新生成对应商品详情页面的任务消息
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.id)
def save_models(self):
obj = self.new_obj
obj.save()
sku = obj.sku # 获取图片所对应的sku
if sku.default_image_url == None: # 如果当前sku没有默认的图片
sku.default_image_url = obj.image.url # 把当前的图片路径设置到sku中
generate_static_sku_detail_html.delay(sku.id)
def save_model(self, request, obj, form, change):
obj.save()
# 获取sku
sku = obj.sku # 获取sku所对应的图片
if not sku.default_image_url: # 如果sku没有默认图片
sku.default_image_url = obj.image.url # 把当前的图片路径设置到sku中
generate_static_sku_detail_html.delay(sku.id)
def save_models(self):
obj = self.new_obj
obj.save()
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.id)
sku = obj.sku
# 设置默认图片
if not sku.default_image_url:
sku.default_image_url = obj.image.url
def delete_model(self):
# 获取删除数据对象
obj = self.obj
sku_id = obj.sku.id
obj.delete()
# 附加操作: 发出重新生成指定商品的详情页面的任务消息
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(sku_id)
def save_model(self, request, obj, form, change):
obj.save()
from celery_tasks.html.tasks import generate_static_sku_detail_html
generate_static_sku_detail_html.delay(obj.sku.id)
# 设置SKU默认图片
sku = obj.sku
if not sku.default_image_url:
sku.default_image_url = obj.image.url
sku.save()
def delete_model(self, request, obj):
"""
监听事件
:param request:
:param obj:
:return:
"""
obj.delete()
generate_static_sku_detail_html.delay(obj.id)