def addLike(request):
post_pk = request.POST.get('post_pk')
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user)
like.save()
result = 1
except Exception as e:
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request):
post_pk = request.POST.get('post_pk') # 先拿到被like了的post的pk
post = Post.objects.get(pk=post_pk) # 由pk找到Post中那个object
try:
like = Like(post=post, user=request.user) # 用当前的post和user创建一个like的对象
like.save() # 把刚刚创建的对象存入数据库中；如果这个对象已经存在，跳到下面的exception
result = 1
except Exception as e: # 已经点过的like再被点，说明要取消这个like，所以从数据库中删除
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request):
post_pk = request.POST.get('post_pk')
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user)
# save function may fail since we have defined unique_together in Like Model(models.py)
like.save()
result = 1
except Exception as e:
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request):
post_pk = request.POST.get('post_pk')
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user)
like.save()
result = 1
# because the existing of like, it now cancelles previous likes
except Exception as e:
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request):
post_pk = request.POST.get('post_pk')
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user)
# save the like into the database
like.save()
result = 1
except Exception as e:
# if the like already exist, delete this action
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
# return json with result
return {'result': result, 'post_pk': post_pk}
def addLike(request):
#拿到post_id，post_pk是从index.js中传过来的key
post_pk = request.POST.get('post_pk')
#根据post_id拿到post
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user) #创建一个新的Like的object
like.save()
result = 1
except Exception as e:
like = Like.objects.get(post=post, user=request.user) #如果已经存在了一个like
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request):
post_pk = request.POST.get('post_pk')
post = Post.objects.get(pk=post_pk)
try:
# It's about how to add data to Django database
like = Like(post=post, user=request.user)
like.save()
result = 1
except Exception as e:
# One user can not like the post twice
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request):
post_pk = request.POST.get("post_pk")
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user)
like.save()
result = 1
except Exception as e:
# An exception upon save() means that the like already exists
# The user wants to cancel the like instead
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {"result": result, "post_pk": post_pk}
def toggleLike(request):
'''come from index.js in static/js'''
post_pk = request.POST.get('post_pk')
# find the current post
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user)
like.save(
) # might throws Exception if there is already a like with the same post and user
result = 1
except Exception as e:
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request):
post_pk = request.POST.get('post_pk')
post = Post.objects.get(pk=post_pk) # pylint: disable=maybe-no-member
try:
like = Like(post=post, user=request.user)
like.save()
result = 1
except Exception as e:
like = Like.objects.get(post=post, user=request.user) # pylint: disable=maybe-no-member
like.delete()
result = 0
return {
'result': result,
'post_pk': post_pk
}
def addLike(request):
post_pk = request.POST.get('post_pk')
# which post i click like?
post = Post.objects.get(pk=post_pk)
try:
# Like is a contstructor
like = Like(post=post, user=request.user)
# save like object to db, if i found same like has already exist in the db
like.save()
result = 1
except Exception as e:
# delete like
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request): #传入的request，request里面的data的value是post.pk
post_pk = request.POST.get('post_pk')
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user) #创建一个Like的object，需要提供Like的2个attributes
like.save() #把这个object存在db里面, 如果db已经存在了一个这个object，user已经点过赞了
#因为是1 user 只能点一个post ，如果存在了就调到exception, 就是取消
result = 1
except Exception as e:
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {
'result': result,
'post_pk': post_pk
}
def addLike(request):
# get pk from AJAX request
post_pk = request.POST.get('post_pk')
# get the post object by id
post = Post.objects.get(pk=post_pk)
try:
# create a like object
like = Like(post=post, user=request.user)
# it's possible that the like alreay exists
like.save()
result = 1
except Exception as e:
# get the like object by post, user (unique)
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
# return Json data
return {'result': result, 'post_pk': post_pk}
def addLike(request):
# post_pk get from index.js
post_pk = request.POST.get('post_pk')
post = Post.objects.get(pk=post_pk)
# if this user did not like this post before
try:
# Create Like object using contructor
like = Like(post=post, user=request.user)
# Upload Like object to database
like.save()
result = 1
# if this user liked this post before --> cancel like
except Exception as e:
like = Like.objects.get(post=post, user=request.user)
like.delete()
result = 0
return {'result': result, 'post_pk': post_pk}
def addLike(request):
post_pk = request.POST.get('post_pk')
print(post_pk)
post = Post.objects.get(pk=post_pk)
try:
like = Like(post=post, user=request.user)
#save to database, will have exception if this user already liked the post (bcz we set unique-together in models.py)
like.save()
result = 1
except Exception as e:
#handle exception, which means remove like
like = Like.objects.get(post=post, user=request.user)
like.delete()
#result 0 or 1 tells if it's remove like or add like
result = 0
#ajax return type is json, return to index.js
return {'result': result, 'post_pk': post_pk}