public IActionResult CreateArticle([FromBody] ArticleDto model)
{
if (!ModelState.IsValid)
return BadRequest(ModelState);
model.ArticleId = model.ArticleLicenseDto.ArticleId = DateTime.UtcNow.Ticks;
model.AttachedAssetsInCloudStorageId = Guid.NewGuid();
int inMemoryCachyExpireDays = Convert.ToInt32(_configuration["InMemoryCacheDays"]);
if (inMemoryCachyExpireDays <= 0) throw new ArgumentOutOfRangeException(nameof(inMemoryCachyExpireDays));
string htmlFileName = _configuration["ArticleHtmlTemplateFileNameWithExt"];
if (string.IsNullOrWhiteSpace(htmlFileName)) throw new ArgumentNullException(nameof(htmlFileName));
string googleStorageBucketName = _configuration["ArticleBucketNameInGoogleCloudStorage"];
if (string.IsNullOrWhiteSpace(googleStorageBucketName)) throw new ArgumentOutOfRangeException(nameof(googleStorageBucketName));
GoogleStorageArticleFileDto fileModel = model.GoogleStorageArticleFileDto;
fileModel.CacheExpiryDateTimeForHtmlTemplate = DateTime.UtcNow.AddDays(Convert.ToDouble(inMemoryCachyExpireDays));
fileModel.HtmlFileTemplateFullPathWithExt = Path.Combine(Directory.GetCurrentDirectory(), htmlFileName);
fileModel.GoogleStorageBucketName = googleStorageBucketName;
fileModel.CACHE_KEY = Constants.Article_HTML_FILE_TEMPLATE;
fileModel.GoogleStorageObjectNameWithExt = string.Format("{0}{1}", model.AttachedAssetsInCloudStorageId.ToString("N"), Path.GetExtension(htmlFileName));
fileModel.ContentType = Utility.GetMimeTypes()[Path.GetExtension(htmlFileName)];
model.ArticleLicenseDto.ArticleLicenseId = DateTime.UtcNow.Ticks;
if (!string.IsNullOrWhiteSpace(model.ArticleLicenseDto.License)) model.ArticleLicenseDto.LicensedDate = DateTime.UtcNow;
ArticleDto articleDto = _articleService.CreateArticle(model);
return Ok(articleDto);
}
private void UploadObjectInGoogleStorage(GoogleStorageArticleFileDto model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(GoogleStorageArticleFileDto));
}
if (model.ArticleAnonymousDataObjectForHtmlTemplate == null)
{
throw new ArgumentNullException(nameof(model.ArticleAnonymousDataObjectForHtmlTemplate));
}
string content = _cacheService.Get <string>(model.CACHE_KEY);
if (string.IsNullOrWhiteSpace(content))
{
content = System.IO.File.ReadAllText(model.HtmlFileTemplateFullPathWithExt);
if (string.IsNullOrEmpty(content))
{
throw new Exception(nameof(content));
}
content = _cacheService.GetOrAdd <string>(model.CACHE_KEY, () => content, model.CacheExpiryDateTimeForHtmlTemplate);
if (string.IsNullOrEmpty(content))
{
throw new Exception(nameof(content));
}
}
content = _fileReadService.FillContent(content, model.ArticleAnonymousDataObjectForHtmlTemplate);
if (string.IsNullOrEmpty(content))
{
throw new Exception(nameof(content));
}
Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(content));
if (stream == null || stream.Length <= 0)
{
throw new Exception(nameof(stream));
}
_googleStorage.UploadObject(model.GoogleStorageBucketName, stream, model.GoogleStorageObjectNameWithExt, model.ContentType);
}
