public static int Delete(Models.DocumentLibrary library)
{
using (var db = new Context.SqlContext())
{
db.Entry(library).State = library.DocumentLibraryId.Equals(0) ? EntityState.Unchanged : EntityState.Deleted;
var ret = db.SaveChanges();
return(ret);
}
}
public static long Save(Models.DocumentLibrary library)
{
using (var db = new Context.SqlContext())
{
db.Entry(library).State = library.DocumentLibraryId.Equals(0) ? EntityState.Added : EntityState.Modified;
var ret = db.SaveChanges();
return(library.DocumentLibraryId);
}
}
public async Task <ActionResult> SyncDocumentLibrary(string documentlibraryid)
{
try
{
if (documentlibraryid != null)
{
Models.DocumentLibrary docLib = Repository.DocumentLibrary.Get(Convert.ToInt64(documentlibraryid));
// delete files from Azure
AzureBlobStorage azureStorage = new AzureBlobStorage();
string error = await azureStorage.DeleteDocumentLibraryDocumentsAsync(documentlibraryid, false);
// delete documents for this document library from db
List <Models.Document> documents = Repository.Documents.GetAllFromDocumentLibrary(Convert.ToInt64(documentlibraryid));
foreach (Document d in documents)
{
var retVal = Repository.Documents.Delete(d);
}
// download documents from SharePoint to Azure Storage... this might take a while if files are large in size or number
SharePoint sp = new SharePoint();
List <Document> syncedDocuments = await sp.DownloadFilesToAzure(docLib);
// Save documents that were downloaded from SharePoint and saved to Azure Blob Storage to SQL db
foreach (Document d in syncedDocuments)
{
long docId = Repository.Documents.Save(d);
}
// return successful response
return(Json(new
{
Success = true,
DocumentLibraryId = Convert.ToInt64(documentlibraryid)
}, JsonRequestBehavior.AllowGet));
}
}
catch (Exception ex)
{
return(Json(new
{
Success = false,
message = "An internal error occurred - please try again. If this error persists, please contact your system administrator."
}, JsonRequestBehavior.AllowGet));
}
return(Json(new
{
Success = false,
message = "documentlibraryid is required."
}, JsonRequestBehavior.AllowGet));
}
public async Task <List <Models.Document> > DownloadFilesToAzure(Models.DocumentLibrary docLib)
{
List <Models.Document> documentsSaved = new List <Models.Document>();
try
{
using (ClientContext context = new ClientContext(docLib.SiteUrl))
{
ListItemCollection items = GetFilesRecursively(context, docLib);
// For each file returned, download the file
foreach (var item in items)
{
// Pull file information from SharePoint
string fileRef = (string)item["FileRef"];
var fileName = System.IO.Path.GetFileName(fileRef);
var fileInfo = Microsoft.SharePoint.Client.File.OpenBinaryDirect(context, fileRef);
// Construct the document object to save to the db
Models.Document newDocument = new Models.Document();
newDocument.Name = fileName;
newDocument.Extension = Path.GetExtension(fileName);
newDocument.DocumentLibraryId = docLib.DocumentLibraryId;
newDocument.AudienceId = docLib.AudienceId;
//Console.WriteLine("File name => " + fileName);
//Console.WriteLine("Mime Type => " + MIMEAssistant.GetMIMEType(fileName));
//ClientResult<Stream> fileStream = file.OpenBinaryStream();
//Microsoft.SharePoint.Client.File.OpenBinaryDirect(context, fileRef);
// Save to Azure
AzureBlobStorage azureStorage = new AzureBlobStorage();
AzureFile azureFile = await azureStorage.UploadDocumentAsync(fileInfo.Stream, newDocument, docLib, fileName, MIMEAssistant.GetMIMEType(fileName));
// Set url to document object to save to db
newDocument.Url = azureFile.Document.Url;
newDocument.Uploaded = DateTime.UtcNow;
documentsSaved.Add(newDocument);
}
}
return(documentsSaved);
}
catch (Exception e)
{
// TODO: add error handling here...
Console.WriteLine("SharePoint.DownloadFilesToAzure debug, " + e.Message);
return(null);
}
}
public async Task <ActionResult> RemoveDocumentLibrary(string documentlibraryid)
{
try
{
if (documentlibraryid != null)
{
Models.DocumentLibrary lib = new Models.DocumentLibrary()
{
DocumentLibraryId = Convert.ToInt64(documentlibraryid)
};
// delete files from Azure
AzureBlobStorage azureStorage = new AzureBlobStorage();
string error = await azureStorage.DeleteDocumentLibraryDocumentsAsync(documentlibraryid, true);
// delete documents for this document library from db
List <Models.Document> documents = Repository.Documents.GetAllFromDocumentLibrary(Convert.ToInt64(documentlibraryid));
foreach (Document d in documents)
{
var retVal = Repository.Documents.Delete(d);
}
// delete document library from db
long libId = Repository.DocumentLibrary.Delete(lib);
// return successful response
return(Json(new
{
Success = true,
DocumentLibraryId = Convert.ToInt64(documentlibraryid)
}, JsonRequestBehavior.AllowGet));
}
}
catch (Exception ex)
{
return(Json(new
{
Success = false,
message = "An internal error occurred - please try again. If this error persists, please contact your system administrator."
}, JsonRequestBehavior.AllowGet));
}
return(Json(new
{
Success = false,
message = "documentlibraryid is required."
}, JsonRequestBehavior.AllowGet));
}
/// <summary>
/// Upload document from a document library
/// </summary>
/// <param name="fileStream"></param>
/// <param name="document"></param>
/// <param name="SPDocLibrary"></param>
/// <param name="fileName"></param>
/// <param name="contentType"></param>
/// <returns></returns>
public async Task <AzureFile> UploadDocumentAsync(Stream fileStream, Models.Document document, Models.DocumentLibrary SPDocLibrary, string fileName, string contentType)
{
string fileFullPath = null;
string blobContainerName = _DefaultAzureContainer;
try
{
// NOTE: Azure Blob container names must be all lowercase and cannot start with numbers
if (SPDocLibrary != null && SPDocLibrary.DocumentLibraryId != 0)
{
blobContainerName = _SharePointDocLibPrefix + SPDocLibrary.DocumentLibraryId.ToString();
}
fileFullPath = await SaveAzureDocumentBlob(contentType, fileName, blobContainerName, fileStream);
}
catch (Exception ex)
{
// TODO: handle this exception and bubble up to the interface??
return(new AzureFile(document, false, ex.Message));
}
document.Url = fileFullPath;
document.Uploaded = DateTime.UtcNow;
return(new AzureFile(document, true, null));
}
