public async Task <SourceServerResponseDTO> GetPackages(
string sourceName,
string url,
string arch,
string model,
VersionDTO versionDto,
bool isBeta,
string customUserAgent,
bool isSearch,
string keyword = null,
bool useGetMethod = false)
{
Stopwatch stopwatch = new Stopwatch();
string errorMessage;
ResultFrom resultFrom;
double? cacheOld = null;
ParametersDTO parameters = new ParametersDTO(sourceName, model, versionDto, isBeta, keyword);
SearchLogEntryDTO logEntry = new SearchLogEntryDTO(parameters);
logEntry.RequestType = isSearch ? RequestType.Search : RequestType.Browse;
logEntry.LogType = LogType.Parameters;
logger.LogInformation(Utils.GetSearchLogEntryString(logEntry));
logEntry.LogType = LogType.Result;
stopwatch.Start();
var cacheResult = await cacheService.GetSpkResponseFromCache(sourceName, arch, model, versionDto.Build.ToString(), isBeta);
SpkResult result;
if (!cacheResult.HasValidCache)
{
string unique = $"synology_{arch}_{model}"; //TODO: DSM provide model without leading "DS" or "RS", so we should do the same some day.
var parametersRequest = PrepareParametersForRequest(arch, unique, versionDto, isBeta, customUserAgent, out var userAgent);
IDownloadService downloadService = downloadFactory.GetDefaultDownloadService();
var response = await downloadService.Execute(url, parametersRequest, userAgent, useGetMethod);
if (response.Success)
{
try
{
result = ParseResponse(sourceName, url, arch, model, versionDto, isBeta, response.Content);
resultFrom = ResultFrom.Server;
}
catch (Exception ex)
{
logger.LogError(ex, $"Unable to parse response from {url}: {response.Content}");
if (cacheResult.Cache != null)
{
logger.LogInformation("Returning data from cache");
result = cacheResult.Cache.SpkResult;
resultFrom = ResultFrom.Cache;
cacheOld = cacheResult.Cache.CacheOld;
}
else
{
logger.LogError($"Error getting response for url: {url}. No cache available.");
return(new SourceServerResponseDTO(false, "No data from source server. No cache available", parameters, null, ResultFrom.NotSpecified, null));
}
}
}
else if (cacheResult.Cache != null)
{
logger.LogError($"Error getting response for url: {url}: {response.ErrorMessage}");
result = cacheResult.Cache.SpkResult;
resultFrom = ResultFrom.ExpiredCache;
cacheOld = cacheResult.Cache.CacheOld;
}
else //no cache && no server response
{
errorMessage = $"{response.ErrorMessage}";
logger.LogError($"Error getting response for url: {url}: {errorMessage}");
return(new SourceServerResponseDTO(false, errorMessage, parameters, null, ResultFrom.NotSpecified, null));
}
}
else // get data from Valid cache
{
result = cacheResult.Cache.SpkResult;
resultFrom = ResultFrom.Cache;
cacheOld = cacheResult.Cache.CacheOld;
}
if (result != null)
{
var finalResult = await GenerateResult(sourceName, keyword, parameters, result, resultFrom, cacheOld);
stopwatch.Stop();
logEntry.ResultFrom = resultFrom;
logEntry.CacheOld = cacheOld;
logEntry.ExecutionTime = stopwatch.ElapsedMilliseconds;
logger.LogInformation(Utils.GetSearchLogEntryString(logEntry));
return(finalResult);
}
else
{
errorMessage = "Spk result is empty";
stopwatch.Stop();
logEntry.ResultFrom = ResultFrom.NotSpecified;
logEntry.CacheOld = null;
logEntry.ExecutionTime = stopwatch.ElapsedMilliseconds;
logger.LogWarning("Spk result is empty {0}", Utils.GetSearchLogEntryString(logEntry));
return(new SourceServerResponseDTO(false, errorMessage, parameters, null, resultFrom, cacheOld));
}
}
public async Task <RawSpkResultDto> GetRawPackages(
string sourceName,
string url,
string arch,
string unique,
VersionDTO versionDto,
bool isBeta,
string customUserAgent,
bool isSearch,
string keyword = null,
bool useGetMethod = false
)
{
RawSpkResultDto result;
ParametersDTO parameters = new ParametersDTO(sourceName, unique, versionDto, isBeta, keyword);
SearchLogEntryDTO logEntry = new SearchLogEntryDTO(parameters);
logEntry.RequestType = isSearch ? RequestType.Search : RequestType.Browse;
logEntry.LogType = LogType.Parameters;
logger.LogInformation(Utils.GetSearchLogEntryString(logEntry));
logEntry.LogType = LogType.Result;
var stopwatch = Stopwatch.StartNew();
var cacheResult = await cacheService.GetSpkResponseForRepositoryFromCache(sourceName, arch, versionDto.Build.ToString(), isBeta);
if (!cacheResult.HasValidCache)
{
var parametersRequest = PrepareParametersForRequest(arch, unique, versionDto, isBeta, customUserAgent, out var userAgent);
IDownloadService downloadService = downloadFactory.GetDefaultDownloadService();
var response = await downloadService.Execute(url, parametersRequest, userAgent, useGetMethod);
if (response.Success)
{
logEntry.ResultFrom = ResultFrom.Server;
try
{
var rawResponse = ParseResponse(sourceName, url, arch, unique, versionDto, isBeta, response.Content);
result = new RawSpkResultDto(rawResponse, null);
}
catch (Exception ex)
{
logger.LogError(ex, $"Could not parse response from server {url}");
result = new RawSpkResultDto(null, ex.Message);
}
}
else
{
logger.LogError($"Could not get any data from the server {url}");
result = new RawSpkResultDto(null, $"Could not get any data from the server {url}");
}
}
else //return response from valid cache
{
result = new RawSpkResultDto(cacheResult.Cache?.SpkResult, null);
logEntry.CacheOld = cacheResult.Cache.CacheOld;
logEntry.LogType = LogType.Result;
logEntry.ResultFrom = ResultFrom.Cache;
}
stopwatch.Stop();
logEntry.ExecutionTime = stopwatch.ElapsedMilliseconds;
logger.LogInformation(Utils.GetSearchLogEntryString(logEntry));
return(result);
}