44 lines
1.4 KiB
C#
44 lines
1.4 KiB
C#
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using System.Linq;
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using System.Threading.Tasks;
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using BirdsiteLive.DAL.Contracts;
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using BirdsiteLive.DAL.Models;
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namespace BirdsiteLive.Moderation.Actions
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{
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public interface IRemoveFollowerAction
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{
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Task ProcessAsync(Follower follower);
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}
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public class RemoveFollowerAction : IRemoveFollowerAction
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{
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private readonly IFollowersDal _followersDal;
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private readonly ITwitterUserDal _twitterUserDal;
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#region Ctor
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public RemoveFollowerAction(IFollowersDal followersDal, ITwitterUserDal twitterUserDal)
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{
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_followersDal = followersDal;
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_twitterUserDal = twitterUserDal;
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}
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#endregion
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public async Task ProcessAsync(Follower follower)
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{
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// Perform undo following to user instance
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// TODO: Insert ActivityPub magic here
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// Remove twitter users if no more followers
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var followings = follower.Followings;
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foreach (var following in followings)
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{
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var followers = await _followersDal.GetFollowersAsync(following);
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if (followers.Length == 1 && followers.First().Id == follower.Id)
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await _twitterUserDal.DeleteTwitterUserAsync(following);
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}
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// Remove follower from DB
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await _followersDal.DeleteFollowerAsync(follower.Id);
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}
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}
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}
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