public static ScopusResponse ToScopusResponse(string json)
{
ScopusResponse response = JsonConvert.DeserializeObject <ScopusResponse>(json);
List <List <string> > responseAuthorsList = new List <List <string> >();
if (response?.entry != null)
{
for (int i = 0; i < response.entry.Count; ++i)
{
ScopusArticle article = response.entry[i];
List <string> responseAuthors = new List <string>();
JArray authorsList = article?.authorsList?.author as JArray;
if (authorsList != null)
{
List <ScopusArticleAuthorElement> authors = JsonConvert.DeserializeObject <List <ScopusArticleAuthorElement> >(authorsList.ToString());
response.entry[i].authors = authors.Select(x => x.author).ToList();
}
else if (article.authorsList != null && article.authorsList.author != null)
{
response.entry[i].authors = new List <string>
{
article.authorsList.author.ToString()
};
}
else
{
response.entry[i].authors = new List <string>();
}
}
}
return(response);
}
public static BaseResponse GetArticlesScopus(BaseRequest request)
{
if (request == null)
{
throw new ArgumentException($"{nameof(BaseRequest)} is null");
}
string doi = string.Empty;
string query = string.Empty;
ScopusRequest scopusRequest = RequestHelper.ToScopusRequest(request);
if (request.filter != null)
{
scopusRequest.query = new FilterService(request.filter).FilterScopusRequest(scopusRequest.query);
}
else
{
scopusRequest.query = $"all( {scopusRequest.query} )";
}
scopusRequest.query = scopusRequest.query
.Replace("(", "%28")
.Replace(")", "%29");
BaseResponse articlesResponse = new BaseResponse();
List <ScopusArticle> data = new List <ScopusArticle>();
int previousDataCount;
int currentDataCount;
string responseJson = string.Empty;
do
{
string queryJson = $"&start={(scopusRequest.start - 1) * scopusRequest.count}&count={scopusRequest.count}&query={scopusRequest.query}";
responseJson = ApiService.ExecuteScopusSearchApiRequest(queryJson);
if (responseJson != string.Empty)
{
ScopusResponse scopusResponse = ResponseHelper.ToScopusResponse(responseJson);
previousDataCount = data.Count;
currentDataCount = scopusResponse?.entry?.Count(x => string.IsNullOrEmpty(x.error)) ?? 0;
if (scopusResponse != null)
{
scopusResponse.entry = scopusResponse.entry?.Where(x => !string.IsNullOrEmpty(x?.doi))?.ToList();
}
data.AddRange(scopusResponse?.entry ?? new List <ScopusArticle>());
data = data?.GroupBy(x => x.doi)?.Select(x => x.First())?.ToList() ?? new List <ScopusArticle>();
if (request.limit.Value <= data.Count || currentDataCount == 0)
{
scopusResponse.entry = currentDataCount == 0 ? data : data.GetRange(0, request.limit.Value);
for (int i = 0; i < scopusResponse.entry.Count; i++)
{
ScopusArticle article = scopusResponse.entry[i];
scopusResponse.entry[i].downloadUrl = ApiService.BuildScopusDownloadRequestUrl(article.doi);
}
articlesResponse = ResponseHelper.ToBaseResponse(scopusResponse);
break;
}
else
{
scopusRequest.start++;
}
}
}while (responseJson != string.Empty);
articlesResponse.request = request;
return(articlesResponse);
}
