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purge cache when TL retrieval fails, fix #79

This commit is contained in:
Nicolas Constant 2021-02-01 20:07:53 -05:00
parent 52e2868deb
commit ec420346b6
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GPG Key ID: 1E9F677FB01A5688
3 changed files with 51 additions and 33 deletions
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31
src/BirdsiteLive.Pipeline/Processors/RetrieveTweetsProcessor.cs
View File

@ -9,6 +9,7 @@ using BirdsiteLive.Pipeline.Contracts;
using BirdsiteLive.Pipeline.Models;
using BirdsiteLive.Twitter;
using BirdsiteLive.Twitter.Models;
using Microsoft.Extensions.Logging;
using Tweetinvi.Models;
namespace BirdsiteLive.Pipeline.Processors
@ -16,13 +17,17 @@ namespace BirdsiteLive.Pipeline.Processors
public class RetrieveTweetsProcessor : IRetrieveTweetsProcessor
{
private readonly ITwitterTweetsService _twitterTweetsService;
private readonly ITwitterUserService _twitterUserService;
private readonly ITwitterUserDal _twitterUserDal;
private readonly ILogger<RetrieveTweetsProcessor> _logger;
#region Ctor
public RetrieveTweetsProcessor(ITwitterTweetsService twitterTweetsService, ITwitterUserDal twitterUserDal)
public RetrieveTweetsProcessor(ITwitterTweetsService twitterTweetsService, ITwitterUserDal twitterUserDal, ITwitterUserService twitterUserService, ILogger<RetrieveTweetsProcessor> logger)
{
_twitterTweetsService = twitterTweetsService;
_twitterUserDal = twitterUserDal;
_twitterUserService = twitterUserService;
_logger = logger;
}
#endregion
@ -61,11 +66,25 @@ namespace BirdsiteLive.Pipeline.Processors
private ExtractedTweet[] RetrieveNewTweets(SyncTwitterUser user)
{
ExtractedTweet[] tweets;
if (user.LastTweetPostedId == -1)
tweets = _twitterTweetsService.GetTimeline(user.Acct, 1);
else
tweets = _twitterTweetsService.GetTimeline(user.Acct, 200, user.LastTweetSynchronizedForAllFollowersId);
var tweets = new ExtractedTweet[0];
try
{
if (user.LastTweetPostedId == -1)
tweets = _twitterTweetsService.GetTimeline(user.Acct, 1);
else
tweets = _twitterTweetsService.GetTimeline(user.Acct, 200, user.LastTweetSynchronizedForAllFollowersId);
}
catch (Exception e)
{
_logger.LogError(e, "Error retrieving TL of {Username} from {LastTweetPostedId}", user.Acct, user.LastTweetPostedId);
if (_twitterUserService is CachedTwitterUserService service)
{
_logger.LogInformation("Purge {Username} from cache", user.Acct);
service.PurgeUser(user.Acct);
}
}
return tweets;
}

5
src/BirdsiteLive.Twitter/CachedTwitterService.cs
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@ -38,5 +38,10 @@ namespace BirdsiteLive.Twitter
return user;
}
public void PurgeUser(string username)
{
_userCache.Remove(username);
}
}
}

48
src/BirdsiteLive.Twitter/TwitterTweetsService.cs
View File

@ -61,36 +61,30 @@ namespace BirdsiteLive.Twitter
public ExtractedTweet[] GetTimeline(string username, int nberTweets, long fromTweetId = -1)
{
var tweets = new List<ITweet>();
try
_twitterAuthenticationInitializer.EnsureAuthenticationIsInitialized();
ExceptionHandler.SwallowWebExceptions = false;
TweetinviConfig.CurrentThreadSettings.TweetMode = TweetMode.Extended;
var user = _twitterUserService.GetUser(username);
if (user == null || user.Protected) return new ExtractedTweet[0];
if (fromTweetId == -1)
{
_twitterAuthenticationInitializer.EnsureAuthenticationIsInitialized();
ExceptionHandler.SwallowWebExceptions = false;
TweetinviConfig.CurrentThreadSettings.TweetMode = TweetMode.Extended;
var user = _twitterUserService.GetUser(username);
if (user == null || user.Protected) return new ExtractedTweet[0];
if (fromTweetId == -1)
{
var timeline = Timeline.GetUserTimeline(user.Id, nberTweets);
_statisticsHandler.CalledTimelineApi();
if (timeline != null) tweets.AddRange(timeline);
}
else
{
var timelineRequestParameters = new UserTimelineParameters
{
SinceId = fromTweetId,
MaximumNumberOfTweetsToRetrieve = nberTweets
};
var timeline = Timeline.GetUserTimeline(user.Id, timelineRequestParameters);
_statisticsHandler.CalledTimelineApi();
if (timeline != null) tweets.AddRange(timeline);
}
var timeline = Timeline.GetUserTimeline(user.Id, nberTweets);
_statisticsHandler.CalledTimelineApi();
if (timeline != null) tweets.AddRange(timeline);
}
catch (Exception e)
else
{
_logger.LogError(e, "Error retrieving timeline from {Username}, from {TweetId}", username, fromTweetId);
var timelineRequestParameters = new UserTimelineParameters
{
SinceId = fromTweetId,
MaximumNumberOfTweetsToRetrieve = nberTweets
};
var timeline = Timeline.GetUserTimeline(user.Id, timelineRequestParameters);
_statisticsHandler.CalledTimelineApi();
if (timeline != null) tweets.AddRange(timeline);
}
return tweets.Select(_tweetExtractor.Extract).ToArray();