private async Task InitializeCollection()
{
Task <IEnumerable <long> > reader;
switch (_type)
{
case RelationDataType.Following:
reader = UserProxy.GetFollowingsAsync(_parent.AccountId);
break;
case RelationDataType.Follower:
reader = UserProxy.GetFollowersAsync(_parent.AccountId);
break;
case RelationDataType.Blocking:
reader = UserProxy.GetBlockingsAsync(_parent.AccountId);
break;
case RelationDataType.NoRetweets:
reader = UserProxy.GetNoRetweetsAsync(_parent.AccountId);
break;
case RelationDataType.Mutes:
reader = UserProxy.GetMutesAsync(_parent.AccountId);
break;
default:
throw new ArgumentOutOfRangeException();
}
await AddAsync(await reader.ConfigureAwait(false)).ConfigureAwait(false);
}
/// <summary>
/// Initialize account data info
/// </summary>
/// <param name="accountId">bound account id</param>
public AccountRelationData(long accountId)
{
this._accountId = accountId;
// load data from db
InitializeCollection(() => UserProxy.GetFollowingsAsync(accountId),
_followingLocker, _followings.Add,
id => this.OnAccountDataUpdated(id, true, RelationDataChange.Following));
InitializeCollection(() => UserProxy.GetFollowersAsync(accountId),
_followersLocker, _followers.Add,
id => this.OnAccountDataUpdated(id, true, RelationDataChange.Follower));
InitializeCollection(() => UserProxy.GetBlockingsAsync(accountId),
_blockingsLocker, _blockings.Add,
id => this.OnAccountDataUpdated(id, true, RelationDataChange.Blocking));
InitializeCollection(() => UserProxy.GetNoRetweetsAsync(accountId),
_noRetweetsLocker, _noRetweets.Add,
id => this.OnAccountDataUpdated(id, true, RelationDataChange.NoRetweets));
}