def put(self, request, id):
tweet = self.get_object(id)
serialize = TweetSerializer(tweet, data=request.data)
if serialize.is_valid():
serialize.save()
return Response(serialize.data)
return Response(serialize.errors, status=status.HTTP_400_BAD_REQUEST)
def post(self, request):
request.data["created_by"] = request.user.id
serialize = TweetSerializer(data=request.data)
if serialize.is_valid():
serialize.save()
return Response(serialize.data, status=status.HTTP_201_CREATED)
return Response(serialize.errors, status=status.HTTP_400_BAD_REQUEST)
def tweet_action_view(request, *args, **kwargs):
''' The actions are: like, unlike, and retweet. ID is required'''
# print(request.POST, request.data)
serializer = TweetActionSerializer(data=request.data)
if serializer.is_valid(raise_exception=True):
data = serializer.validated_data
tweet_id = data.get("id")
action = data.get("action")
content = data.get("content")
qs = Tweet.objects.filter(id=tweet_id)
if not qs.exists():
return Response({}, status=404)
obj = qs.first()
if action == "like":
obj.likes.add(request.user)
serializer = TweetSerializer(obj)
return Response(serializer.data, status=200)
elif action == "unlike":
obj.likes.remove(request.user)
serializer = TweetSerializer(obj)
return Response(serializer.data, status=200)
elif action == "retweet":
parent_obj = obj
new_tweet = Tweet.objects.create(user=request.user,
parent=parent_obj,
content=content)
serializer = TweetSerializer(new_tweet)
return Response(serializer.data, status=201)
return Response({"message": "Action Happened"}, status=200)
def get_tweetsSearch(self, request, pk=None):
user = request.user
search = request.data['search']
tweets = Tweet.objects.exclude(user=user.id).filter(
content__icontains=search)
retweets = Retweet.objects.exclude(user=user.id).filter(
content__icontains=search)
#Se unen los querySets
results_list = list(chain(tweets, retweets))
#Se filtran por fechas
sorted_list = sorted(results_list,
key=lambda instance: instance.date,
reverse=True)
# Build the list with items based on the FeedItemSerializer fields
results = list()
for entry in sorted_list:
item_type = entry.__class__.__name__.lower()
if isinstance(entry, Tweet):
serializer = TweetSerializer(entry,
context={'request': request})
results.append({
'id':
item_type + '-' + str(serializer.data['id']),
'itemType':
item_type,
'data':
serializer.data,
'user_retweet':
None,
'retweet_id':
None
})
if isinstance(entry, Retweet):
serializer = TweetSerializer(entry.originalTweet,
context={'request': request})
retweetSerializer = RetweetSerializer(
entry, context={'request': request})
userSerializer = UserSerializer(entry.user,
context={'request': request})
results.append({
'id':
item_type + '-' + str(retweetSerializer.data['id']),
'itemType':
item_type,
'data':
serializer.data,
'user_retweet':
userSerializer.data,
'retweet_id':
retweetSerializer.data['id']
})
return (Response(results))
def get_savedTweets(self, request, pk=None):
user = self.get_object()
#Se consultan los tweets y retweets de todos los usuarios en la lista
tweets = Tweet.objects.filter(id__in=SavedTweet.objects.filter(
user=user.id).order_by('date').values('tweet'))
retweets = Retweet.objects.filter(id__in=SavedTweet.objects.filter(
user=user.id).order_by('date').values('retweet'))
#Se unen los querySets
results_list = list(chain(tweets, retweets))
#Se filtran por fechas
sorted_list = sorted(results_list,
key=lambda instance: instance.date,
reverse=True)
# Build the list with items based on the FeedItemSerializer fields
results = list()
for entry in sorted_list:
item_type = entry.__class__.__name__.lower()
if isinstance(entry, Tweet):
serializer = TweetSerializer(entry,
context={'request': request})
results.append({
'id':
item_type + '-' + str(serializer.data['id']),
'itemType':
item_type,
'data':
serializer.data,
'user_retweet':
None,
'retweet_id':
None
})
if isinstance(entry, Retweet):
serializer = TweetSerializer(entry.originalTweet,
context={'request': request})
retweetSerializer = RetweetSerializer(
entry, context={'request': request})
userSerializer = UserSerializer(entry.user,
context={'request': request})
results.append({
'id':
item_type + '-' + str(retweetSerializer.data['id']),
'itemType':
item_type,
'data':
serializer.data,
'user_retweet':
userSerializer.data,
'retweet_id':
retweetSerializer.data['id']
})
return (Response(results))
def get_tweets(query):
r = api_request().get('https://api.twitter.com/1.1/search/tweets.json' +
query,
headers={'Authorization': 'Bearer ' + token()})
for status in r.json().get('statuses'):
serializer = TweetSerializer(data=parse(status))
if serializer.is_valid():
serializer.save()
next_query = r.json().get('search_metadata').get('next_results')
if next_query:
get_tweets.delay(next_query)
def tweet_detail_view(request, tweet_id, *args, **kwargs):
qs = Tweet.objects.filter(id=tweet_id)
if not qs.exists():
return Response({}, status=404)
obj = qs.first()
serializer = TweetSerializer(obj)
return Response(serializer.data, status=200)
def tweet_detail_view(request, tweet_id, *args, **kwargs):
query_set = Tweet.objects.filter(id=tweet_id)
if not query_set:
return Response({}, status=404)
tweet = query_set.first()
serializer = TweetSerializer(tweet)
return Response(serializer.data, status=200)
def tweet_action_view(request, *args, **kwargs):
serializer = TweetActionSerializer(data=request.data)
if serializer.is_valid(raise_exception=True):
data = serializer.validated_data
tweet_id = data.get('id')
action = data.get('action')
content = data.get('content')
query_set = Tweet.objects.filter(id=tweet_id)
if not query_set:
return Response({}, status=404)
tweet = query_set.first()
if action == 'like':
tweet.likes.add(request.user)
status = 200
elif action == 'unlike':
tweet.likes.remove(request.user)
status = 200
elif action == 'retweet':
tweet = Tweet.objects.create(user=request.user,
parent=tweet,
content=content)
status = 201
serializer = TweetSerializer(tweet)
return Response(serializer.data, status=status)
return Response({}, status=200)
def to_representation(self, instance):
data = super().to_representation(instance)
request = self.context.get("request")
data['originalTweet'] = TweetSerializer(
Tweet.objects.get(pk=data['originalTweet']),context={'request':request}).data
data['user'] = UserSerializer(
User.objects.get(pk=data['user']),context={'request':request}).data
return data
def bookmakrs(request):
bookmakrs = []
for v in request.data['user_bookmarks']:
tweet = Tweet.objects.get(id=v['tweet_id'])
bookmakrs.append(tweet)
print(bookmakrs)
serializer = TweetSerializer(bookmakrs, many=True)
return Response(serializer.data)
def get_paginated_queryset_response(qs, request):
paginator = PageNumberPagination()
paginator.page_size = 20
paginated_qs = paginator.paginate_queryset(qs, request)
serializer = TweetSerializer(paginated_qs,
many=True,
context={"request": request})
return paginator.get_paginated_response(
serializer.data) # Response( serializer.data, status=200)
def to_representation(self, instance):
data = super().to_representation(instance)
data['user'] = UserSerializer(User.objects.get(pk=data['user'])).data
if (data['tweet']):
data['tweet'] = TweetSerializer(
Tweet.objects.get(pk=data['tweet'])).data
if (data['retweet']):
data['retweet'] = RetweetSerializer(
Retweet.objects.get(pk=data['retweet'])).data
return data
def test_get_all_tweet(self):
"""Test retrieve all tweets created till now"""
Tweet.objects.create(**self.tweet_data)
Tweet.objects.create(user=self.user, context='another tweet')
response = self.client.get(TWEET_URL)
self.assertEqual(response.status_code, status.HTTP_200_OK)
tweets = Tweet.objects.all()
serializer = TweetSerializer(tweets, many=True)
self.assertEqual(serializer.data, response.data)
def following(request):
following = []
for v in request.data['userTo']:
tweets = Tweet.objects.all().filter(user_id=v['user_to'])
for v in tweets:
following.append(v)
serializer = TweetSerializer(following, many=True)
return Response(serializer.data)
class UserSerializered(serializers.ModelSerializer):
tweets = TweetSerializer(many=True, read_only=True)
user_comments = CommentSerializer(many=True, read_only=True)
user_likes = LikeSerializer(many=True, read_only=True)
userFrom = FollowerSerializer(many=True, read_only=True)
userTo = FollowerSerializer(many=True, read_only=True)
user_bookmarks = FavouriteSerializer(many=True, read_only=True)
class Meta:
model = User
fields = ('id', 'email', 'name', 'image', 'tweets', 'user_comments',
'user_likes', 'userFrom', 'userTo', 'user_bookmarks')
def tweets(self, request, *args, **kwargs):
"""List of tweets"""
user = self.get_object()
queryset = Tweet.objects.filter(user=user)
page = self.paginate_queryset(queryset)
context = self.get_serializer_context()
serializer = TweetSerializer(page, many=True, context=context)
result = self.get_paginated_response(serializer.data)
data = result.data
return Response(data, status=status.HTTP_200_OK)
def tweet_feed_view(request, *args, **kwargs):
panigator = PageNumberPagination()
panigator.page_size = 20
user = request.user
profiles = user.following.all()
followed_users_id = []
if profiles.exists():
followed_users_id = [x.user.id for x in profiles]
followed_users_id.append(user.id)
qs = Tweet.objects.filter(user__id__in=followed_users_id)
panigator_qs = panigator.paginate_queryset(qs, request)
serializer = TweetSerializer(panigator_qs, many=True)
return panigator.get_paginated_response(serializer.data)
def get_tweet_view(request):
try:
tweets_list = get_tweet()
# Shuffle tweets
random.shuffle(tweets_list)
except Tweet.DoesNotExist:
return Response(status=status.HTTP_404_NOT_FOUND)
if request.method == "GET":
serializers = TweetSerializer(tweets_list, many=True)
return Response(serializers.data)
def tweet_action_view(request, *args, **kwargs):
'''
id is required.
Action options are: like, unlike, retweet
'''
print(
f"\nTWEET Action View request {request} \nargs -> {args} kwargs -> {kwargs}"
)
serializer = TweetActionSerializer(data=request.data)
if serializer.is_valid(raise_exception=True):
data = serializer.validated_data
tweet_id = data.get("id")
action = data.get("action")
content = data.get("content")
qs = Tweet.objects.filter(id=tweet_id)
print(
f"\nserializer {serializer} \ndata -> {data} tweet_id -> {tweet_id} \naction {action} content {content} "
)
if not qs.exists():
return Response({}, status=404)
obj = qs.first()
if action == "like":
obj.likes.add(request.user)
serializer = TweetSerializer(obj)
return Response(serializer.data, status=200)
elif action == "unlike":
obj.likes.remove(request.user)
serializer = TweetSerializer(obj)
return Response(serializer.data, status=200)
elif action == "retweet":
new_tweet = Tweet.objects.create(user=request.user,
parent=obj,
content=content)
serializer = TweetSerializer(new_tweet)
return Response(serializer.data, status=201)
return Response({}, status=200)
def tweet_detail(request, tid, format=None):
"""
Retrieve, update or delete a tweet instance.
"""
try:
tweet = Tweet.objects.get(id=tid)
except Tweet.DoesNotExist:
return Response(status=status.HTTP_404_NOT_FOUND)
if request.method == 'GET':
serializer = TweetSerializer(tweet)
return Response(serializer.data)
elif request.method == 'DELETE':
tweet.delete()
return Response(status=status.HTTP_204_NO_CONTENT)
def tweet_list(request, format=None):
"""
List all tweets, or create a new tweet.
"""
if request.method == 'GET':
tweets = Tweet.objects.all()
serializer = TweetSerializer(tweets, many=True)
return Response(serializer.data)
elif request.method == 'POST':
serializer = TweetSerializer(data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def get(self, request, format=None):
week_previous = timezone.now() - timedelta(days=7)
tweets_by_hour = Tweet.objects.filter(created_at__gte=week_previous) \
.annotate(hour=TruncHour('created_at')) \
.values('hour').annotate(count=Count('id')) \
.values('hour', 'count').order_by('hour')
most_retweeted = Tweet.objects.raw("""
select distinct on (date(created_at at time zone 'US/Central')) *
from tweets_tweet where created_at > NOW() - INTERVAL '7 days'
order by (date(created_at at time zone 'US/Central')), retweet_count desc;
""")
most_retweeted_by_day = []
for record in most_retweeted:
most_retweeted_by_day.append(TweetSerializer(record).data)
return Response({
'tweets_by_hour': tweets_by_hour,
'most_retweeted_by_day': most_retweeted_by_day
})
def get_paginated_queryset_response(queryset, request):
paginator = PageNumberPagination()
paginator.page_size = 10
paginated_queryset = paginator.paginate_queryset(queryset, request)
serializer = TweetSerializer(paginated_queryset, many=True)
return paginator.get_paginated_response(serializer.data)
def details(request):
tweet = Tweet.objects.get(id=request.data['id'])
serializer = TweetSerializer(tweet, many=False)
return Response(serializer.data)
def get(self, request):
tweets = Tweet.objects.filter(created_by=request.user)
serialize = TweetSerializer(tweets, many=True)
return Response(serialize.data)
def get(self, request, id):
tweet = self.get_object(id)
serialize = TweetSerializer(tweet)
return Response(serialize.data)
def get_followingTweets(self, request, pk=None):
user = self.get_object()
#Se guardan los ids de los usuarios que sigue el usuario
following = Follower.objects.filter(userFollower=user.id)
usersFollowing = [userF.userFollowing.id for userF in following]
#Se consultan los tweets y retweets de todos los usuarios en la lista
#Se agrega el id del usuario
usersFollowing.append(user.id)
tweets = Tweet.objects.filter(user__in=usersFollowing)
retweets = Retweet.objects.exclude(originalTweet__in=tweets).exclude(
user=user.id).filter(user__in=usersFollowing)
#Se unen los querySets
results_list = list(chain(tweets, retweets))
#Se filtran por fechas
sorted_list = sorted(results_list,
key=lambda instance: instance.date,
reverse=True)
# Build the list with items based on the FeedItemSerializer fields
results = list()
for entry in sorted_list:
item_type = entry.__class__.__name__.lower()
if isinstance(entry, Tweet):
serializer = TweetSerializer(entry,
context={'request': request})
results.append({
'id':
item_type + '-' + str(serializer.data['id']),
'itemType':
item_type,
'data':
serializer.data,
'user_retweet':
None,
'retweet_id':
None
})
if isinstance(entry, Retweet):
serializer = TweetSerializer(entry.originalTweet,
context={'request': request})
retweetSerializer = RetweetSerializer(
entry, context={'request': request})
userSerializer = UserSerializer(entry.user,
context={'request': request})
results.append({
'id':
item_type + '-' + str(retweetSerializer.data['id']),
'itemType':
item_type,
'data':
serializer.data,
'user_retweet':
userSerializer.data,
'retweet_id':
retweetSerializer.data['id']
})
return (Response(results))
def tweet_list_view(request, *args, **kwargs):
qs = Tweet.objects.all()
username = request.GET.get('username') # ?username=Justin
if username != None:
#qs = qs.by_username(username)
qs = qs.filter(user__username=username)
serializer = TweetSerializer(qs, many=True, context={"request": request})
#return get_paginated_queryset_response(qs, request)
return Response(serializer.data, status=200)
# def tweet_create_view_pure_django(request, *args, **kwargs):
# '''
# REST API Create View -> DRF
# '''
# user = request.user
# if not request.user.is_authenticated:
# user = None
# if request.is_ajax():
# return JsonResponse({}, status=401)
# return redirect(settings.LOGIN_URL)
# form = TweetForm(request.POST or None)
# next_url = request.POST.get("next") or None
# if form.is_valid():
# obj = form.save(commit=False)
# # do other form related logic
# obj.user = user
# obj.save()
# if request.is_ajax():
# return JsonResponse(obj.serialize(), status=201) # 201 == created items
# if next_url != None and is_safe_url(next_url, ALLOWED_HOSTS):
# return redirect(next_url)
# form = TweetForm()
# if form.errors:
# if request.is_ajax():
# return JsonResponse(form.errors, status=400)
# return render(request, 'components/form.html', context={"form": form})
# def tweet_list_view_pure_django(request, *args, **kwargs):
# """
# REST API VIEW
# Consume by JavaScript or Swift/Java/iOS/Andriod
# return json data
# """
# qs = Tweet.objects.all()
# tweets_list = [x.serialize() for x in qs]
# data = {
# "isUser": False,
# "response": tweets_list
# }
# return JsonResponse(data)
# def tweet_detail_view_pure_django(request, tweet_id, *args, **kwargs):
# """
# REST API VIEW
# Consume by JavaScript or Swift/Java/iOS/Andriod
# return json data
# """
# data = {
# "id": tweet_id,
# }
# status = 200
# try:
# obj = Tweet.objects.get(id=tweet_id)
# data['content'] = obj.content
# except:
# data['message'] = "Not found"
# status = 404
# return JsonResponse(data, status=status) # json.dumps content_type='application/json'
def details(request):
tweeeeeets = Tweet.objects.get(pk=request.data['pk'])
# console.log('dssss', myaccount)
serializer = TweetSerializer(tweeeeeets, many=False)
return Response(serializer.data)
