def post(self, request, *args, **kwargs):
if not request.user.is_authenticated:
return JsonResponse({'status': 'fail', 'msg': '用户未登录'})
user_fav_form = UserFavForm(request.POST)
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data['fav_id']
fav_type = user_fav_form.cleaned_data['fav_type']
existed_records = UserFavorite.objects.filter(user=request.user,
fav_id=fav_id,
fav_type=fav_type)
if existed_records:
existed_records.delete()
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_nums -= 1
course.save()
elif fav_type == 2:
course_org = CourseOrg.objects.get(id=fav_id)
course_org.fav_nums -= 1
course_org.save()
elif fav_type == 3:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums -= 1
teacher.save()
return JsonResponse({'status': 'success', 'msg': '收藏'})
else:
user_fav = UserFavorite()
user_fav.user = request.user
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.save()
return JsonResponse({'status': 'success', 'msg': '已收藏'})
else:
return JsonResponse({'status': 'fail', 'msg': '参数错误'})
def post(self, request, *args, **kwargs):
# 如果未登录,封装数据告诉ajax,ajax会返回登录页面
# status和msg,一定要和前端的ajax一致,否则ajax处理不了
if not request.user.is_authenticated:
return JsonResponse({
"status": "fail",
"msg": "用户未登录",
})
# 拿到数据给modelForm验证
user_fav_form = UserFavForm(request.POST)
# 字段检验通过
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data['fav_id']
fav_type = user_fav_form.cleaned_data['fav_type']
# 是否已经收藏
existed_records = UserFavorite.objects.filter(user=request.user,
fav_id=fav_id,
fav_type=fav_type)
# 如果已经收藏,删除当前收藏记录,其对应的收藏数量-1
if existed_records:
existed_records.delete()
if fav_type == 1:
course = Courses.objects.get(id=fav_id)
course.fav_nums -= 1
course.save()
elif fav_type == 2:
course_org = CourseOrg.objects.get(id=fav_id)
course_org.fav_nums -= 1
course_org.save()
elif fav_type == 3:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums -= 1
teacher.save()
return JsonResponse({
"status": "success",
"msg": "收藏",
})
# 如果没有收藏,自己新建一个收藏对象,
else:
user_fav = UserFavorite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
# 这一步非常重要,user作为外键,是必填字段,这里只能手动添加
user_fav.user = request.user
user_fav.save()
return JsonResponse({
"status": "success",
"msg": "已收藏",
})
# 字段检验不通过
else:
return JsonResponse({
"status": "fail",
"msg": "参数格式错误",
})
def post(self, request, *args, **kwargs):
"""
用户收藏，取消收藏
"""
# 如果用户未登录,就给前端返回对应的js数据
# is_authenticated
if not request.user.is_authenticated:
return JsonResponse({"status": "fail", "msg": "用户未登录"})
# 先表单验证
user_fav_form = UserFavForm(request.POST)
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data["fav_id"]
fav_type = user_fav_form.cleaned_data["fav_type"]
# 判断是否已经收藏,对数据库进行查询筛选
existed_records = UserFavorite.objects.filter(user=request.user,
fav_id=fav_id,
fav_type=fav_type)
if existed_records:
# 已经收藏，本次操作是取消收藏
existed_records.delete()
"""
收藏人数变化
"""
if fav_type == 1:
# 这是收藏课程,通过id找到
course = Course.objects.get(id=fav_id)
course.fav_nums -= 1 # 取消收藏，人数减一
course.save()
elif fav_type == 2:
# 这是收藏课程机构,通过id找到
course_org = CourseOrg.objects.get(id=fav_id)
course_org.fav_nums -= 1 # 取消收藏，人数减一
course_org.save()
elif fav_type == 3:
# 这是收藏讲师,通过id找到
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums -= 1 # 取消收藏，人数减一
teacher.save()
# 返回数据给前端
return JsonResponse({"status": "success", "msg": "收藏"})
# 用户收藏
else:
user_fav = UserFavorite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.user = request.user
user_fav.save()
# 返回数据给前端
return JsonResponse({"status": "success", "msg": "已收藏"})
# 表单验证失败
else:
# 返回数据给前端
return JsonResponse({"status": "fail", "msg": "参数错误"})
def post(self, request, *args, **kwargs):
"""
用户收藏，取消收藏
"""
# 先判断用户是否登录
if not request.user.is_authenticated:
return JsonResponse({"status": "fail", "msg": "用户未登录"})
user_fav_form = UserFavForm(request.POST)
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data["fav_id"]
fav_type = user_fav_form.cleaned_data["fav_type"]
if (fav_type == 2) & (int(request.user.id) == int(fav_id)):
return JsonResponse({"status": "fail", "msg": "请不要收藏自己"})
if fav_type == 1:
music = Music.objects.filter(id=int(fav_id))
if music:
music = music.first()
if music.owner == request.user:
return JsonResponse({
"status": "fail",
"msg": "请不要收藏自己的作品"
})
# 是否已经收藏
existed_records = UserFavorite.objects.filter(user=request.user,
fav_id=fav_id,
fav_type=fav_type)
if existed_records:
existed_records.delete()
if fav_type == 1:
music = Music.objects.get(id=fav_id)
music.fav_nums = F('fav_nums') - 1
music.save()
elif fav_type == 2:
user = UserProfile.objects.get(id=fav_id)
user.fav_nums = F('fav_nums') - 1
user.save()
return JsonResponse({"status": "success", "msg": "收藏"})
else:
user_fav = UserFavorite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.user = request.user
user_fav.save()
if fav_type == 1:
music = Music.objects.get(id=fav_id)
music.fav_nums = F('fav_nums') + 1
music.save()
elif fav_type == 2:
user = UserProfile.objects.get(id=fav_id)
user.fav_nums = F('fav_nums') + 1
user.save()
return JsonResponse({"status": "success", "msg": "已收藏"})
else:
return JsonResponse({"status": "fail", "msg": "参数错误"})
def post(self, request, *args, **kwargs):
"""
用户收藏，取消收藏
"""
#如果用户未登陆
if not request.user.is_authenticated:
#把这些数据返回给前端
return JsonResponse({"status": "fail", "msg": "用户未登录"})
user_fav_form = UserFavForm(request.POST)
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data["fav_id"] #前端返回的用户收藏ID
fav_type = user_fav_form.cleaned_data["fav_type"]
#是否已经收藏
existed_records = UserFavorite.objects.filter(user=request.user,
fav_id=fav_id,
fav_type=fav_type)
#已经收藏则取消收藏
if existed_records:
existed_records.delete()
#收藏分三类
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_nums -= 1
course.save()
elif fav_type == 2:
course_org = CourseOrg.objects.get(id=fav_id)
course_org.fav_nums -= 1
course_org.save()
elif fav_type == 3:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums -= 1
teacher.save()
return JsonResponse({
"status": "success",
"msg": "收藏",
})
#未收藏则保存该收藏
else:
user_fav = UserFavorite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.user = request.user
user_fav.save()
return JsonResponse({
"status": "success",
"msg": "已收藏",
})
else:
return JsonResponse({"status": "fail", "msg": "参数错误"})
def post(self, request, *args, **kwargs):
'''
用户收藏，用户取消收藏
'''
# request.user.is_authenticated:用来判断用户是否登陆
if not request.user.is_authenticated:
return JsonResponse({
"status": "fail",
"msg": "用户未登录",
})
user_fav_form = UserFavForm(request.POST)
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data['fav_id']
fav_type = user_fav_form.cleaned_data['fav_type']
# 该数据是否收藏过
existed_records = UserFavorite.objects.filter(user=request.user,
fav_id=fav_id,
fav_type=fav_type)
if existed_records:
existed_records.delete()
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_nums -= 1
course.save()
elif fav_type == 2:
course_org = CourseOrg.objects.get(id=fav_id)
course_org.fav_nums -= 1
course_org.save()
elif fav_type == 3:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums -= 1
teacher.save()
return JsonResponse({
"status": "success",
"msg": "收藏",
})
else:
user_fav = UserFavorite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.user = request.user
user_fav.save()
return JsonResponse({
"status": "success",
"msg": "已收藏",
})
else:
return JsonResponse({
"status": "fail",
"msg": "参数错误",
})
def post(self, request, *args, **kwargs):
# check if user logged in
if not request.user.is_authenticated:
return JsonResponse({
"status": "fail",
"msg": "user not logged in."
})
userfav_form = UserFavForm(request.POST)
if userfav_form.is_valid():
fav_id = userfav_form.cleaned_data["fav_id"]
fav_type = userfav_form.cleaned_data["fav_type"]
# check if already favorite
existed_records = UserFavorite.objects.filter(user=request.user, fav_id=fav_id, fav_type=fav_type)
if existed_records:
existed_records.delete()
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_num -= 1
course.save()
elif fav_type == 2:
org = CourseOrg.objects.get(id=fav_id)
org.fav_nums -= 1
org.save()
else:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums -= 1
teacher.save()
return JsonResponse({
"status": "success",
"msg": "Favorite"
})
else:
userfav = UserFavorite.objects.create(user=request.user, fav_id=fav_id, fav_type=fav_type)
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_num += 1
course.save()
elif fav_type == 2:
org = CourseOrg.objects.get(id=fav_id)
org.fav_nums += 1
org.save()
else:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums += 1
teacher.save()
return JsonResponse({
"status": "success",
"msg": "Favorited"
})
else:
return JsonResponse({
"status": "fail",
"msg": "parameter error."
})
def post(self, request, *args, **kwargs):
"""
用户收藏，取消收藏
"""
#先判断用户是否登录
if not request.user.is_authenticated:
return JsonResponse({
"status":"fail",
"msg":"用户未登录"
})
user_fav_form = UserFavForm(request.POST)
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data["fav_id"]
fav_type = user_fav_form.cleaned_data["fav_type"]
#是否已经收藏
existed_records = UserFavorite.objects.filter(user=request.user, fav_id=fav_id, fav_type=fav_type)
if existed_records:
existed_records.delete()
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_nums -= 1
course.save()
elif fav_type == 2:
course_org = CourseOrg.objects.get(id=fav_id)
course_org.fav_nums -= 1
course_org.save()
return JsonResponse({
"status": "success",
"msg": "收藏"
})
else:
user_fav = UserFavorite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.user = request.user
user_fav.save()
return JsonResponse({
"status": "success",
"msg": "已收藏"
})
else:
return JsonResponse({
"status": "fail",
"msg": "参数错误"
})
def post(self, request, *args, **kwargs):
# 用户收藏/取消收藏
# 首先判断用户是否登陆
if not request.user.is_authenticated:
return JsonResponse({"status": "fail", "msg": "用户未登录"})
user_fav_form = UserFavForm(request.POST)
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data["fav_id"]
fav_type = user_fav_form.cleaned_data["fav_type"]
#判断是否已经收藏
existed_records = UserFavorite.objects.filter(user=request.user,
fav_id=fav_id,
fav_type=fav_type)
#已经收藏就删除
if existed_records:
existed_records.delete()
#1---course;2---teacher
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_nums += 1
course.save()
elif fav_type == 2:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums += 1
teacher.save()
return JsonResponse({"status": "success", "msg": "收藏"})
else:
user_fav = UserFavorite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.user = request.user
user_fav.save()
return JsonResponse({"status": "success", "msg": "已收藏"})
else:
return JsonResponse({"status": "fail", "msg": "参数错误"})
def post(self, request, *args, **kwargs):
"""
取消收藏,收藏
:param request:
:param args:
:param kwargs:
:return:
"""
# 判断用户是否登陆
if not request.user.is_authenticated:
return JsonResponse({
"status": "fail",
"msg": "用户未登陆"
})
# 表单验证
fav_form = UserFavForm(request.POST)
if fav_form.is_valid():
fav_id = fav_form.cleaned_data["fav_id"]
fav_type = fav_form.cleaned_data["fav_type"]
# 判断数据是否被收藏
existed_records = UserFavorite.objects.filter(user=request.user, fav_id=fav_id, fav_type=fav_type)
# 如果已经被收藏
if existed_records:
# 删除数据
existed_records.delete()
if fav_type == 1: # 课程
course = Course.objects.get(id=fav_id)
course.fav_num -= 1
course.save()
elif fav_type == 2: # 机构
course = CourseOrg.objects.get(id=fav_id)
course.fav_num -= 1
course.save()
elif fav_type == 3: # 教师
course = Teacher.objects.get(id=fav_id)
course.fav_num -= 1
course.save()
return JsonResponse({
"status": "success",
"msg": "收藏",
})
else:
user_fav = UserFavorite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.user = request.user
user_fav.save()
return JsonResponse({
"status": "success",
"msg": "已收藏",
})
else:
# 添加数据
return JsonResponse({
"status": "fail",
"msg": "参数错误",
})
def post(self, request, *args, **kwargs):
if not request.user.is_authenticated:
messages.error(request, "用户未登录！")
return JsonResponse({"status": "fail", "msg": "用户未登录"})
user_fav_form = UserFavForm(request.POST)
if user_fav_form.is_valid():
fav_id = user_fav_form.cleaned_data["fav_id"]
fav_type = user_fav_form.cleaned_data["fav_type"]
existed_record = UserFavourite.objects.filter(user=request.user,
fav_id=fav_id,
fav_type=fav_type)
if existed_record:
existed_record.delete()
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_num -= 1
course.save()
elif fav_type == 2:
courseorg = CourseOrg.objects.get(id=fav_id)
courseorg.fav_nums -= 1
courseorg.save()
else:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums -= 1
teacher.save()
message = UserMessage()
message.user = request.user
message.messgae = "取消收藏成功！"
message.has_read = False
message.save()
return JsonResponse({"status": "success", "msg": "收藏"})
else:
user_fav = UserFavourite()
user_fav.fav_id = fav_id
user_fav.fav_type = fav_type
user_fav.user = request.user
user_fav.save()
if fav_type == 1:
course = Course.objects.get(id=fav_id)
course.fav_num += 1
course.save()
elif fav_type == 2:
courseorg = CourseOrg.objects.get(id=fav_id)
courseorg.fav_nums += 1
courseorg.save()
else:
teacher = Teacher.objects.get(id=fav_id)
teacher.fav_nums += 1
teacher.save()
message = UserMessage()
message.user = request.user
message.messgae = "收藏成功！"
message.has_read = False
message.save()
return JsonResponse({"status": "success", "msg": "已收藏"})
else:
return JsonResponse({"status": "fail", "msg": "参数错误"})