public async Task RetweetHandler(int id)
{
ClaimsPrincipal user = _iHttpContextAccessor.HttpContext.User;
int userID = int.Parse(ClaimExtensions.GetUserId(user));
var tweet = await _dbContext.Tweets.Where(p => p.Id == id).Select(p =>
new TweetEntity()
{
Id = p.Id,
Content = p.Content,
CreatedAt = p.CreatedAt,
CreatorId = p.CreatorId,
LikeCount = p.LikeCount,
RetweetCount = p.RetweetCount,
IsRetweet = p.IsRetweet,
}).SingleOrDefaultAsync();
if (tweet is null)
{
throw new TwitterApiException(400, "Invalid tweet id");
}
tweet.RetweetCount++;
_dbContext.Tweets.Update(tweet);
await _dbContext.SaveChangesAsync();
var relation = new UserTweetRelationEntity();
relation.TweetId = tweet.Id;
relation.UserId = userID;
await _dbContext.UserTweetRelations.AddRangeAsync(relation);
await _dbContext.SaveChangesAsync();
var relationn = new TweetRetweeterRelationEntity();
relationn.TweetId = tweet.Id;
relationn.RetweeterId = userID;
await _dbContext.TweetRetweeterRelations.AddRangeAsync(relationn);
await _dbContext.SaveChangesAsync();
var activityLog = new ActivityLogEntity()
{
ActorId = userID,
ActorName = user.Identity.Name,
ActionTypeId = (int)ActionLogEnums.Retweet,
ActionTypeName = "Retweet",
TargetTweetId = tweet.Id,
TargetUserId = tweet.CreatorId,
Date = DateTime.Now,
};
await _dbContext.ActivityLogs.AddAsync(activityLog);
await _dbContext.SaveChangesAsync();
}
public async Task AddTweetHandler(AddTweetDto request)
{
ClaimsPrincipal user = _iHttpContextAccessor.HttpContext.User;
int creatorID = int.Parse(ClaimExtensions.GetUserId(user));
var newTweet = new TweetEntity()
{
Content = request.Content,
CreatedAt = DateTime.Now,
CreatorId = creatorID,
LikeCount = 0,
RetweetCount = 0,
IsRetweet = false,
};
await _dbContext.Tweets.AddAsync(newTweet);
await _dbContext.SaveChangesAsync();
if (request.HashTags != null && request.HashTags.Count > 0)
{
var list = new List <TweetHashtagRelationEntity>();
foreach (var hashtag in request.HashTags)
{
var tag = await searchHashtag(hashtag);
if (tag is null)
{
tag = new HashtagEntity();
tag.Content = hashtag.Content.ToLower();
tag.UsageCount = 1;
await _dbContext.Hashtags.AddAsync(tag);
await _dbContext.SaveChangesAsync();
}
else
{
tag.UsageCount++;
_dbContext.Hashtags.Update(tag);
await _dbContext.SaveChangesAsync();
}
var relationht = new HashtagTweetRelationEntity();
relationht.HashtagId = tag.Id;
relationht.TweetId = newTweet.Id;
await _dbContext.HashtagTweetRelations.AddAsync(relationht);
await _dbContext.SaveChangesAsync();
list.Add(new TweetHashtagRelationEntity()
{
TweetId = newTweet.Id,
HashtagId = tag.Id,
});
}
await _dbContext.TweetHashtagRelations.AddRangeAsync(list);
}
await _dbContext.SaveChangesAsync();
var relationtu = new UserTweetRelationEntity();
relationtu.TweetId = newTweet.Id;
relationtu.UserId = creatorID;
await _dbContext.UserTweetRelations.AddRangeAsync(relationtu);
await _dbContext.SaveChangesAsync();
}