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Generalized Download list functions.

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This commit is contained in:
Petr Houška 2016-08-23 19:13:11 +02:00
parent 0fb4a5ba16
commit 9952f3e939
1 changed files with 23 additions and 19 deletions
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42
SpotifyAPI/Web/SpotifyWebAPI.cs
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@ -718,7 +718,7 @@ namespace SpotifyAPI.Web
throw new InvalidOperationException("Auth is required for IsFollowing"); throw new InvalidOperationException("Auth is required for IsFollowing");
var url = _builder.IsFollowing(followType, ids); var url = _builder.IsFollowing(followType, ids);
return DownloadDataAltAndExtract(url); return DownloadList<bool>(url);
} }
@ -736,7 +736,7 @@ namespace SpotifyAPI.Web
throw new InvalidOperationException("Auth is required for IsFollowing"); throw new InvalidOperationException("Auth is required for IsFollowing");
var url = _builder.IsFollowing(followType, ids); var url = _builder.IsFollowing(followType, ids);
return await DownloadDataAltAndExtractAsync(url); return await DownloadListAsync<bool>(url);
} }
/// <summary> /// <summary>
@ -847,7 +847,7 @@ namespace SpotifyAPI.Web
throw new InvalidOperationException("Auth is required for IsFollowingPlaylist"); throw new InvalidOperationException("Auth is required for IsFollowingPlaylist");
var url = _builder.IsFollowingPlaylist(ownerId, playlistId, ids); var url = _builder.IsFollowingPlaylist(ownerId, playlistId, ids);
return DownloadDataAltAndExtract(url); return DownloadList<bool>(url);
} }
/// <summary> /// <summary>
@ -864,7 +864,7 @@ namespace SpotifyAPI.Web
throw new InvalidOperationException("Auth is required for IsFollowingPlaylist"); throw new InvalidOperationException("Auth is required for IsFollowingPlaylist");
var url = _builder.IsFollowingPlaylist(ownerId, playlistId, ids); var url = _builder.IsFollowingPlaylist(ownerId, playlistId, ids);
return await DownloadDataAltAndExtractAsync(url); return await DownloadListAsync<bool>(url);
} }
/// <summary> /// <summary>
@ -1009,7 +1009,7 @@ namespace SpotifyAPI.Web
throw new InvalidOperationException("Auth is required for CheckSavedTracks"); throw new InvalidOperationException("Auth is required for CheckSavedTracks");
var url = _builder.CheckSavedTracks(ids); var url = _builder.CheckSavedTracks(ids);
return DownloadDataAltAndExtract(url); return DownloadList<bool>(url);
} }
/// <summary> /// <summary>
@ -1023,7 +1023,7 @@ namespace SpotifyAPI.Web
if (!UseAuth) if (!UseAuth)
throw new InvalidOperationException("Auth is required for CheckSavedTracks"); throw new InvalidOperationException("Auth is required for CheckSavedTracks");
var url = _builder.CheckSavedTracks(ids); var url = _builder.CheckSavedTracks(ids);
return await DownloadDataAltAndExtractAsync(url); return await DownloadListAsync<bool>(url);
} }
/// <summary> /// <summary>
@ -1138,7 +1138,7 @@ namespace SpotifyAPI.Web
throw new InvalidOperationException("Auth is required for CheckSavedTracks"); throw new InvalidOperationException("Auth is required for CheckSavedTracks");
var url = _builder.CheckSavedAlbums(ids); var url = _builder.CheckSavedAlbums(ids);
return DownloadDataAltAndExtract(url); return DownloadList<bool>(url);
} }
/// <summary> /// <summary>
@ -1152,7 +1152,7 @@ namespace SpotifyAPI.Web
if (!UseAuth) if (!UseAuth)
throw new InvalidOperationException("Auth is required for CheckSavedAlbumsAsync"); throw new InvalidOperationException("Auth is required for CheckSavedAlbumsAsync");
var url = _builder.CheckSavedAlbums(ids); var url = _builder.CheckSavedAlbums(ids);
return await DownloadDataAltAndExtractAsync(url); return await DownloadListAsync<bool>(url);
} }
#endregion Library #endregion Library
@ -1826,17 +1826,17 @@ namespace SpotifyAPI.Web
return await GetPreviousPageAsync<Paging<T>, T>(paging); return await GetPreviousPageAsync<Paging<T>, T>(paging);
} }
private ListResponse<bool> DownloadDataAltAndExtract(string url) private ListResponse<T> DownloadList<T>(string url)
{ {
int triesLeft = RetryTimes + 1; int triesLeft = RetryTimes + 1;
Error lastError = null; Error lastError = null;
ListResponse<bool> data = null; ListResponse<T> data = null;
do do
{ {
if (data != null) { System.Threading.Thread.Sleep(RetryAfter); } if (data != null) { System.Threading.Thread.Sleep(RetryAfter); }
Tuple<ResponseInfo, JToken> res = DownloadDataAlt<JToken>(url); Tuple<ResponseInfo, JToken> res = DownloadDataAlt<JToken>(url);
data = ExtractDataFromAltDownload(res); data = ExtractDataToListResponse<T>(res);
lastError = data.Error; lastError = data.Error;
@ -1847,17 +1847,17 @@ namespace SpotifyAPI.Web
return data; return data;
} }
private async Task<ListResponse<bool>> DownloadDataAltAndExtractAsync(string url) private async Task<ListResponse<T>> DownloadListAsync<T>(string url)
{ {
int triesLeft = RetryTimes + 1; int triesLeft = RetryTimes + 1;
Error lastError = null; Error lastError = null;
ListResponse<bool> data = null; ListResponse<T> data = null;
do do
{ {
if (data != null) { await Task.Delay(RetryAfter); } if (data != null) { await Task.Delay(RetryAfter); }
Tuple<ResponseInfo, JToken> res = await DownloadDataAltAsync<JToken>(url); Tuple<ResponseInfo, JToken> res = await DownloadDataAltAsync<JToken>(url);
data = ExtractDataFromAltDownload(res); data = ExtractDataToListResponse<T>(res);
lastError = data.Error; lastError = data.Error;
@ -1868,21 +1868,25 @@ namespace SpotifyAPI.Web
return data; return data;
} }
private static ListResponse<bool> ExtractDataFromAltDownload(Tuple<ResponseInfo, JToken> res) private static ListResponse<T> ExtractDataToListResponse<T>(Tuple<ResponseInfo, JToken> res)
{ {
ListResponse<bool> ret = null; ListResponse<T> ret = null;
if (res.Item2 is JArray) if (res.Item2 is JArray)
ret = new ListResponse<bool> {
ret = new ListResponse<T>
{ {
List = res.Item2.ToObject<List<bool>>(), List = res.Item2.ToObject<List<T>>(),
Error = null Error = null
}; };
}
else else
ret = new ListResponse<bool> {
ret = new ListResponse<T>
{ {
List = null, List = null,
Error = res.Item2["error"].ToObject<Error>() Error = res.Item2["error"].ToObject<Error>()
}; };
}
ret.AddResponseInfo(res.Item1); ret.AddResponseInfo(res.Item1);
return ret; return ret;
} }