public static string ShortenUrl(ShortenUrlServiceProvider provider, IEnumerable<string> words, string text, string username, string password, string apiKey)
{
if(provider.RequiresAuthentication(true) && (username.IsNullOrBlank() || password.IsNullOrBlank()))
{
throw new TweetSharpException("Expected credentials for the shortening service {0}".FormatWith(provider));
}
var hasAuth = provider.RequiresAuthentication(false) && (!username.IsNullOrBlank() && !password.IsNullOrBlank());
var hasApiKey = provider.RequiresApiKey() && (!apiKey.IsNullOrBlank());
var scheme = provider.GetScheme();
switch (provider)
{
case ShortenUrlServiceProvider.Tomato:
text = ExecuteGet(text, words, "http://to.m8.to/api/shortenLink?url={0}");
break;
case ShortenUrlServiceProvider.Trim:
{
var result = text;
var function = new Func<string, string, string>((response, word) =>
{
var data = new {url = String.Empty};
data = JsonConvert.DeserializeAnonymousType(response, data);
if (!data.url.IsNullOrBlank())
{
result = result.Replace(word, data.url);
}
return result;
});
text = hasApiKey
? ExecuteGet(text, words, "http://tr.im/api/trim_url.json?api_key={0}&url={{0}}".FormatWith(apiKey), function)
: hasAuth
? ExecuteGet(text, words, "http://tr.im/api/trim_url.json?url={0}", function, username, password, scheme)
: ExecuteGet(text, words, "http://tr.im/api/trim_url.json?url={0}", function);
break;
}
case ShortenUrlServiceProvider.Bitly:
{
/* {
"errorCode": 0,
"errorMessage": "",
"results": {
"http://www.dimebrain.com": {
"hash": "wzJq",
"shortKeywordUrl": "",
"shortUrl": "http://bit.ly/5Dch",
"userHash": "5Dch"
}
},
"statusCode": "OK"
}*/
var result = text;
var function = new Func<string, string, string>((response, word) =>
{
response = response.Replace("\"", "");
response = response.Replace(word, "");
response = response.Replace(",", "");
var url = word;
foreach (var token in response.Split(' '))
{
if (!token.IsValidUrl())
{
continue;
}
url = token;
break;
}
if (!url.IsNullOrBlank())
{
result = result.Replace(word, url);
}
return result;
});
text = ExecuteGet(text, words,
"http://api.bit.ly/shorten?version=2.0.1&longUrl={0}&login={1}&apiKey={2}",
function, username, password, scheme);
break;
}
case ShortenUrlServiceProvider.IsGd:
{
text = ExecuteGet(text, words, "http://is.gd/api.php?longurl={0}");
break;
}
case ShortenUrlServiceProvider.TinyUrl:
{
text = ExecuteGet(text, words, "http://tinyurl.com/api-create.php?url={0}");
break;
}
default:
throw new TweetSharpException("Unknown service provider for URL shortening");
}
return text;
}