/// <summary>
/// Get embeds of all documents. Max pagesize is 100. If there are more elements,additional request is needed.
/// Requests are allowed at rate 1 request/second for free account
/// <see cref="http://developers.issuu.com/api/limits.html"/>.
/// This method takes first embed of all documents,because of dataConfigId for dropdown.
/// </summary>
/// <param name="docDict">
/// Dictionary with common-documents.
/// </param>
/// <returns>
/// The
/// <see>
/// <cref>Dictionary</cref>
/// </see>
/// .
/// </returns>
public Dictionary<string, DocumentEmbed> GetEmbedsOfDocuments(Dictionary<string, DocumentCommon> docDict)
{
if (docDict == null)
{
throw new ArgumentException(TextResources.IssuDocument_Core_Exception_MissingArgument_DocumentCommon_Message, "docDict");
}
Dictionary<string, DocumentEmbed> resultDict = new Dictionary<string, DocumentEmbed>();
bool more;
int counter = 0;
int startIndex = 0;
do
{
// prepare parameters
Dictionary<RequestParameters.RequestParamters, string> paramDict = new Dictionary<RequestParameters.RequestParamters, string>
{
{ RequestParameters.RequestParamters.action, IssuuListEmbedsActionParameterValue },
{ RequestParameters.RequestParamters.apiKey, _issuuConfig.APIKey },
{ RequestParameters.RequestParamters.pageSize, PageSize.ToString(CultureInfo.InvariantCulture) },
{ RequestParameters.RequestParamters.startIndex, startIndex.ToString(CultureInfo.InvariantCulture) }
};
// build request
string response = DoHttpRequest(paramDict);
// parse xml to get data
XDocument parsedDoc = XDocument.Parse(response);
IEnumerable<XElement> result = parsedDoc.Descendants("rsp").Descendants("result");
// is the pagesize big enough or there are more elements
more = bool.Parse(result.First().Attribute("more").Value);
IEnumerable<XElement> docsElements = parsedDoc.Descendants("rsp").Descendants("result").Descendants("documentEmbed");
// try to get embed of document
foreach (XElement docsElement in docsElements)
{
// deleted embeds don't have documentId -> find first one with id
string docId = docsElement.Attribute("documentId") != null ? docsElement.Attribute("documentId").Value : null;
if (docId == null)
{
continue;
}
if (docDict.ContainsKey(docId))
{
DocumentEmbed docEmbed = new DocumentEmbed(docDict[docId]);
docDict.Remove(docId);
docEmbed.EmbedId = docsElement.Attribute("id").Value;
docEmbed.Height = docsElement.Attribute("height").Value;
docEmbed.Width = docsElement.Attribute("width").Value;
docEmbed.Created = docsElement.Attribute("created").Value;
docEmbed.DataConfigId = docsElement.Attribute("dataConfigId").Value;
resultDict.Add(docEmbed.DataConfigId, docEmbed);
}
}
// if there's no embed found,check if there are more embedds and get them
if (more)
{
// prepare parameters for next iterations
// with premium licences,limits are 2 requests/sec or 3 requests/sec-> wait time needs to be adjusted (http://developers.issuu.com/api/limits.html)
int requestsProSecond = int.Parse(IssuuDocumentConfigurationFacade.Configuration.RequestsProSecond, CultureInfo.InvariantCulture);
int sleepTime = (int)Math.Floor((decimal)(1000.0 / requestsProSecond));
Thread.Sleep(sleepTime + 1);
counter++;
startIndex = counter * PageSize;
}
}
while (more);
// if there are still unprocessed documents (without embedds),create embed for them
if (docDict.Any())
{
foreach (KeyValuePair<string, DocumentCommon> documentCommonKeyValue in docDict)
{
DocumentEmbed newDocEmbed = CreateEmbedForDocument(documentCommonKeyValue.Value);
resultDict.Add(newDocEmbed.DataConfigId, newDocEmbed);
int requestsProSecond = int.Parse(IssuuDocumentConfigurationFacade.Configuration.RequestsProSecond, CultureInfo.InvariantCulture);
int sleepTime = (int)Math.Floor((decimal)(1000.0 / requestsProSecond));
Thread.Sleep(sleepTime + 1);
}
}
return resultDict;
}
/// <summary>
/// Create embed for documents without embeds to have an dataConfigId (embed).
/// </summary>
/// <param name="document">
/// Common documents for embed.
/// </param>
/// <returns>
/// The <see cref="DocumentEmbed"/>.
/// </returns>
private DocumentEmbed CreateEmbedForDocument(DocumentCommon document)
{
// prepare parameters
Dictionary<RequestParameters.RequestParamters, string> paramDict = new Dictionary<RequestParameters.RequestParamters, string>
{
{ RequestParameters.RequestParamters.action, IssuuAddActionParameterValue },
{ RequestParameters.RequestParamters.apiKey, _issuuConfig.APIKey },
{ RequestParameters.RequestParamters.documentId, document.DocumentId },
{ RequestParameters.RequestParamters.readerStartPage, "1" },
{ RequestParameters.RequestParamters.width, Width.ToString(CultureInfo.InvariantCulture) },
{ RequestParameters.RequestParamters.height, Height.ToString(CultureInfo.InvariantCulture) },
};
// build request
string response = DoHttpRequest(paramDict);
// parse xml to get data
XDocument parsedDoc = XDocument.Parse(response);
IEnumerable<XElement> docsElements = parsedDoc.Descendants("rsp").Descendants("documentEmbed");
// dictionary with embedId as key,and documents as value,in this case,there should be only one documentEmbed
foreach (XElement docsElement in docsElements)
{
// existing documents
string docId = docsElement.Attribute("documentId") != null ? docsElement.Attribute("documentId").Value : null;
if (docId == null)
{
continue;
}
DocumentEmbed docEmbed = new DocumentEmbed(document);
docEmbed.EmbedId = docsElement.Attribute("id").Value;
docEmbed.Height = docsElement.Attribute("height").Value;
docEmbed.Width = docsElement.Attribute("width").Value;
docEmbed.Created = docsElement.Attribute("created").Value;
docEmbed.DataConfigId = docsElement.Attribute("dataConfigId").Value;
return docEmbed;
}
return null;
}
