public static Tpl <Urls, Future <Either <ConfigFetchError, WWWWithHeaders> > > withTimeout(
this Tpl <Urls, Future <Either <ConfigFetchError, WWWWithHeaders> > > tpl,
Duration timeout, ITimeContext timeContext = default(ITimeContext)
)
{
timeContext = timeContext.orDefault();
return(tpl.map2((urls, future) =>
future
.timeout(timeout, () => (ConfigFetchError) new ConfigTimeoutError(urls, timeout), timeContext)
.map(e => e.flatten())
));
}
public static Tpl <Urls, Future <Either <ConfigFetchError, WWWWithHeaders> > > checkingContentType(
this Tpl <Urls, Future <Either <ConfigFetchError, WWWWithHeaders> > > tpl,
string expectedContentType = "application/json"
) => tpl.map2((urls, future) =>
future.map(wwwE => wwwE.flatMapRight(headers => {
var contentType = headers["CONTENT-TYPE"].getOrElse("undefined");
// Sometimes we get redirected to internet paygate, which returns HTML
// instead of our content.
if (contentType != expectedContentType)
{
return(Either <ConfigFetchError, WWWWithHeaders> .Left(
new ConfigWrongContentType(urls, expectedContentType, contentType)
));
}
return(wwwE);
}))
);
public static Tpl <Urls, Future <Either <ConfigFetchError, WWWWithHeaders> > > checkingServerHeader(
this Tpl <Urls, Future <Either <ConfigFetchError, WWWWithHeaders> > > tpl,
string headerName, string expectedValue
) => tpl.map2((urls, future) =>
future.map(wwwE => {
var headersOpt = wwwE.fold(
err => F.opt(err as ConfigWWWError).map(_ => _.wwwWithHeaders),
_ => _.some()
);
return(headersOpt.fold(
wwwE,
headers => {
var actual = headers[headerName];
return actual.exists(expectedValue)
? wwwE
: Either <ConfigFetchError, WWWWithHeaders> .Left(new ConfigServerCheckFailed(
urls, headerName, expectedValue, actual
));
}
));
})
);
