public async Task <UrlEntity> GetEntity(string id)
{
UrlEntityInternal entityInternal = null;
if (Cache != null && Cache.Contains(id))
{
entityInternal = Cache[id] as UrlEntityInternal;
}
else
{
var tableRef = GetTableRefFromId(id);
if (tableRef == null)
{
return(null);
}
entityInternal = await GetEntity(id, null, tableRef);
}
return(new UrlEntity()
{
Expires = entityInternal.Expires,
BlockiFrame = entityInternal.BlockiFrame,
AccessToken = entityInternal.AccessToken,
Url = entityInternal.Url,
Id = entityInternal.Id,
Prefix = entityInternal.Prefix,
PermanentRedirect = entityInternal.PermanentRedirect,
UpdateLog = entityInternal.UpdateLog
});
}
public async Task Update(string id, string AccessToken, string url, DateTime?Expires = null, bool BlockiFrame = false, string prefix = null)
{
var tableRef = GetTableRefFromId(id);
UrlEntityInternal entity = await GetEntity(id, AccessToken, tableRef);
if (Expires.HasValue)
{
entity.Expires = Expires;
}
entity.BlockiFrame = BlockiFrame;
if (!string.IsNullOrWhiteSpace(prefix))
{
entity.Prefix = prefix;
}
entity.ETag = "*";
if (!string.IsNullOrWhiteSpace(url))
{
if (!string.IsNullOrWhiteSpace(entity.Url))
{
entity.UpdateLog += (!string.IsNullOrWhiteSpace(entity.UpdateLog) ? "," : "") + entity.Url;
}
if (Encoding.UTF8.GetByteCount(entity.UpdateLog) > 64000)
{
entity.UpdateLog = entity.Url;
}
entity.Url = url;
}
if (Cache != null && Cache.Contains(id))
{
Cache[id] = entity;
}
await tableRef.ExecuteAsync(TableOperation.Merge(entity));
}
public async Task <UrlEntity> GetEntityUpdateLog(string id, string AccessToken)
{
var tableRef = GetTableRefFromId(id);
if (tableRef == null)
{
return(null);
}
UrlEntityInternal entityInternal = await GetEntity(id, AccessToken, tableRef);
return(new UrlEntity()
{
Expires = entityInternal.Expires,
BlockiFrame = entityInternal.BlockiFrame,
AccessToken = entityInternal.AccessToken,
Url = entityInternal.Url,
Id = entityInternal.Id,
Prefix = entityInternal.Prefix,
PermanentRedirect = entityInternal.PermanentRedirect,
UpdateLog = entityInternal.UpdateLog
});
}
public async Task <UrlEntityResponse> Create(string url, DateTime?Expires = null, bool BlockiFrame = false, bool permanentRedirect = false, string prefix = null, string accessToken = null)
{
UrlEntityInternal newEntityInternal = new UrlEntityInternal()
{
Url = url,
Expires = Expires,
BlockiFrame = BlockiFrame,
AccessToken = string.IsNullOrWhiteSpace(accessToken) ? randomStringGenerator.GetRandomStringAlfaNumeric(12):accessToken,
PartitionKey = randomStringGenerator.GetRandomStringAlfa(3),
RowKey = randomStringGenerator.GetRandomStringAlfaNumeric(rnd.Next(3, 6)),
PermanentRedirect = permanentRedirect,
Prefix = prefix,
};
TableOperation op = TableOperation.Insert(newEntityInternal);
var randomTable = Table;
string id = string.Format("{0}{1}", randomTable.Name, newEntityInternal.Id);
string shortUrl = string.IsNullOrWhiteSpace(prefix) ? string.Format("{0}{1}", baseUrl, id): string.Format("{0}{1}/{2}", baseUrl, prefix, id);
if (url.Contains("http://"))
{
shortUrl = shortUrl.Replace("https://", "http://");
}
try
{
await randomTable.ExecuteAsync(op);
if (Cache != null)
{
DateTimeOffset cacheExpires = DateTimeOffset.UtcNow.AddDays(1);
if (Expires < DateTime.UtcNow.AddDays(1))
{
cacheExpires = Expires.Value;
}
Cache.Add(id, newEntityInternal, cacheExpires);
}
return(new UrlEntityResponse()
{
AccessToken = newEntityInternal.AccessToken,
ShortUrl = shortUrl,
Id = id
});
}
catch (Microsoft.WindowsAzure.Storage.StorageException e)
{
if (e.RequestInformation.ExtendedErrorInformation.ErrorCode.Contains(Microsoft.WindowsAzure.Storage.Table.Protocol.TableErrorCodeStrings.EntityAlreadyExists) ||
e.RequestInformation.ExtendedErrorInformation.ErrorMessage.ToLowerInvariant().Contains("already exists"))
{
return(await Create(url, Expires, BlockiFrame));
}
else
{
throw e;
}
}
catch (Exception e)
{
throw e;
}
}
public async Task<UrlEntityResponse> Create(string url, DateTime? Expires = null, bool BlockiFrame = false, bool permanentRedirect = false, string prefix = null, string accessToken = null)
{
UrlEntityInternal newEntityInternal=new UrlEntityInternal()
{
Url = url,
Expires = Expires,
BlockiFrame = BlockiFrame,
AccessToken =string.IsNullOrWhiteSpace( accessToken) ? randomStringGenerator.GetRandomStringAlfaNumeric(12):accessToken,
PartitionKey = randomStringGenerator.GetRandomStringAlfa(3),
RowKey = randomStringGenerator.GetRandomStringAlfaNumeric(rnd.Next(3,6)),
PermanentRedirect = permanentRedirect,
Prefix = prefix,
};
TableOperation op = TableOperation.Insert(newEntityInternal);
var randomTable = Table;
string id = string.Format("{0}{1}", randomTable.Name, newEntityInternal.Id);
string shortUrl =string.IsNullOrWhiteSpace(prefix) ? string.Format("{0}{1}", baseUrl,id): string.Format("{0}{1}/{2}", baseUrl,prefix, id);
if (url.Contains("http://"))
shortUrl = shortUrl.Replace("https://", "http://");
try
{
await randomTable.ExecuteAsync(op);
if (Cache != null)
{
DateTimeOffset cacheExpires = DateTimeOffset.UtcNow.AddDays(1);
if (Expires < DateTime.UtcNow.AddDays(1))
{
cacheExpires = Expires.Value;
}
Cache.Add(id, newEntityInternal, cacheExpires);
}
return new UrlEntityResponse()
{
AccessToken = newEntityInternal.AccessToken,
ShortUrl = shortUrl,
Id = id
};
}
catch (Microsoft.WindowsAzure.Storage.StorageException e)
{
if (e.RequestInformation.ExtendedErrorInformation.ErrorCode.Contains(Microsoft.WindowsAzure.Storage.Table.Protocol.TableErrorCodeStrings.EntityAlreadyExists)
|| e.RequestInformation.ExtendedErrorInformation.ErrorMessage.ToLowerInvariant().Contains("already exists"))
{
return await Create(url,Expires,BlockiFrame);
}
else
{
throw e;
}
}
catch (Exception e)
{
throw e;
}
}
