def seed_postLikes():
postLike1 = PostLike(userId=1, postId=2)
postLike2 = PostLike(userId=2, postId=3)
postLike3 = PostLike(userId=2, postId=4)
postLike4 = PostLike(userId=1, postId=5)
postLike5 = PostLike(userId=5, postId=6)
postLike6 = PostLike(userId=3, postId=2)
postLike7 = PostLike(userId=4, postId=3)
postLike8 = PostLike(userId=1, postId=4)
postLike9 = PostLike(userId=2, postId=5)
postLike10 = PostLike(userId=3, postId=6)
db.session.add(postLike1)
db.session.add(postLike2)
db.session.add(postLike3)
db.session.add(postLike4)
db.session.add(postLike5)
db.session.add(postLike6)
db.session.add(postLike7)
db.session.add(postLike8)
db.session.add(postLike9)
db.session.add(postLike10)
db.session.commit()
def createlike(current_user, id):
like = PostLike(
post_liker=current_user,
post_id=id,
)
db.session.add(like)
db.session.commit()
likesList = list(PostLike.query.filter(PostLike.post_id == id).all())
returnList = [like.user_id for like in likesList]
return {"data": returnList}
def handleLike(request):
user_id = request.data.get("userId")
post_id = request.data.get("postId")
data = ''
row = PostLike.objects.filter(post_id=post_id, user_id=user_id)
if row.exists():
row.delete()
Post.objects.filter(id=request.data.get("postId")).update(likes=F('likes') - 1)
data = False
else:
p = PostLike(post_id=request.data.get("postId"), user_id=request.data.get("userId"))
p.save()
Post.objects.filter(id=request.data.get("postId")).update(likes=F('likes') + 1)
data = True
# trending algorithm =======================================================
item = Post.objects.get(id=post_id)
post_uploaded_timestamp = float(item.date)
now_timestamp = float(datetime.datetime.now().timestamp())
one_day_timestamp = 86400
time_elapsed = now_timestamp - post_uploaded_timestamp
if item.isBusiness and time_elapsed <= one_day_timestamp:
like_count = item.likes
comment_count = item.comments
view_count = item.viewCount
point = (view_count + (like_count * 1.25) + (comment_count * 1.50)) / time_elapsed
# trending_count = Trending.objects.all().count()
# if trending_count > 50:
# Trending.objects.all().aggregate(Max('point')).delete()
row = Trending.objects.filter(post_id=item.id)
if row.exists():
row.update(point=point)
else:
trending = Trending(point=point, post_id=item.id)
trending.save()
# end of trending algorithm
return Response({"data": data}, status=HTTP_200_OK)
def seed_postLikes():
likes = []
for i in range(80):
users = randomUserSet()
for user in users:
likes.append(PostLike(userId=user, postId=(i+1)))
for like in likes:
db.session.add(like)
db.session.commit()
def like_post():
liked_post_id = request.json["post_id"]
existing_like = PostLike.query.filter(
PostLike.post_id == liked_post_id,
PostLike.user_id == current_user.id).first()
if existing_like:
return {"message": "like exists"}, 500
like = PostLike(user_id=current_user.id, post_id=liked_post_id)
db.session.add(like)
db.session.commit()
return {"post_id": like.post_id}
def like_a_post():
liked_post = request.json['post_id']
old_like = PostLike.query.filter(
PostLike.post_id == liked_post.id,
PostLike.user_id == current_user.id).first()
if old_like:
return
new_like = PostLike.post(user_id=current_user.id, post_id=liked_post.id)
db.session.add(new_like)
db.session.commit()
return
def postLike():
likes = PostLike.query.all()
newLike = request.get_json()
userId = newLike['userId']
postId = newLike['postId']
for like in likes:
if int(like.userId) == int(userId) and int(like.postId) == int(postId):
db.session.delete(like)
db.session.commit()
return ({"userId": like.userId, "postId": like.postId})
new_postLike = PostLike(userId=userId, postId=postId)
db.session.add(new_postLike)
db.session.commit()
return (newLike)
def likePost(id):
post = Post.query.filter(Post.id == id).one()
newLike = PostLike(userId=current_user.id, postId=id)
db.session.add(newLike)
db.session.commit()
return {"success": True}
def seed_post_likes():
for num in range(300):
post_like = PostLike(user_id=random.randrange(1, 6),
post_id=random.randrange(1, 14))
db.session.add(post_like)
db.session.commit()
poster=user3,
)
post8 = Post(
image=
'https://res.cloudinary.com/dgzcv1mcs/image/upload/v1591832876/Instantelegram/venice-3118803_960_720_eslila.jpg',
caption='Venice Palace',
poster=user3,
)
post9 = Post(
image=
'https://res.cloudinary.com/dgzcv1mcs/image/upload/v1591832876/Instantelegram/sea-5237374_960_720_vikixv.jpg',
caption='Beautiful Ocean',
poster=user3,
)
like1 = PostLike(
post_liked=post6,
post_liker=user1,
)
like2 = PostLike(
post_liked=post7,
post_liker=user1,
)
like3 = PostLike(
post_liked=post8,
post_liker=user1,
)
like4 = PostLike(
post_liked=post9,
post_liker=user1,
)
comment1 = Comment(post_cmnt=post7,
commenter=user2,
def save_unlike(post_id):
post = Post.query.get(post_id)
post_unlike = PostLike(like=False, liked_post=post, liked_by=current_user)
db.session.add(post_unlike)
db.session.commit()
return redirect(url_for('index'))
{
"title": "Post 9",
"body": 'Content of Post 9',
"publication_day": now,
"author": kate
},
{
"title": "Post 10",
"body": 'Content of Post 10',
"publication_day": now,
"author": kate
},
]
# putting posts and likes into db
for post in kate_posts:
# new post
new_post = Post(title=post["title"],
body=post["body"],
publication_day=post["publication_day"],
author=post["author"])
db.session.add(new_post)
db.session.commit()
# new like
is_like = random.choices([True, False], weights=(80, 20))
new_post_like = PostLike(like=is_like[0],
liked_post=new_post,
liked_by=mike,
date=post["publication_day"])
db.session.add(new_post_like)
db.session.commit()