public static async Task <NewRequest <SmartDoc> > CreateNewRequest(
string ownerId,
bool isAsync,
IFormFile doc,
ClassificationType docType,
IStorageRepository storageRepository,
IDocumentDBRepository <SmartDoc> docRepository,
IDocumentDBRepository <User> userRepository)
{
if (doc == null || doc.Length == 0)
{
throw new InvalidOperationException("No file was selected");
}
var owner = await userRepository.GetItemAsync(ownerId);
if (owner == null)
{
throw new InvalidOperationException("Invalid request");
}
long size = doc.Length;
// To hold the Url for the uploaded document
string docName = "NA";
string docUri = null;
//Upload the submitted document to Azure Storage
if (size > 0)
{
using (var stream = doc.OpenReadStream())
{
var docExtention = doc.FileName.Substring(doc.FileName.LastIndexOf('.'));
var docId = Guid.NewGuid();
docName = $"{docType}-{docId}{docExtention}";
docUri = await storageRepository.CreateFile(docName, stream);
}
}
// process uploaded files by creating a new SmartDoc record with the details and save it to CosmosDB
var newDoc = new SmartDoc
{
Id = Guid.NewGuid().ToString(),
OwnerId = ownerId,
DocType = docType,
CreatedAt = DateTime.UtcNow,
IsDeleted = false,
DocName = docName,
DocUrl = docUri,
Status = SmartDocStatus.Created.ToString(),
Origin = docRepository.Origin
};
await docRepository.CreateItemAsync(newDoc);
//Prepare the new request that will hold the document along with the processing instructions by the Cognitive Pipeline
var newReq = new NewRequest <SmartDoc>
{
CreatedAt = DateTime.UtcNow,
Id = Guid.NewGuid().ToString(),
OwnerId = ownerId,
IsDeleted = false,
Instructions = DocumentInstructionsProcessor.GetInstructions(docType),
ItemReferenceId = newDoc.Id,
RequestItem = newDoc,
Status = SmartDocStatus.Created.ToString(),
Origin = docRepository.Origin,
IsAsync = isAsync
};
return(newReq);
}
public async Task <IActionResult> SubmitDoc(string ownerId, string docType, bool isAsync, IFormFile doc)
{
// TODO: Introduce another parameter to identify the needed classification services (like classification, OCR,...)
if (doc == null || doc.Length == 0)
{
return(BadRequest("file not selected"));
}
var owner = await userRepository.GetItemAsync(ownerId);
if (owner == null)
{
return(BadRequest("Invalid request"));
}
var proposedDocType = ClassificationType.Unidentified;
var isValidType = Enum.TryParse <ClassificationType>(docType, out proposedDocType);
if (!isValidType)
{
return(BadRequest("Invalid document type"));
}
long size = doc.Length;
// full path to file in temp location
string docName = "NA";
string docUri = null;
if (size > 0)
{
using (var stream = doc.OpenReadStream())
{
var docExtention = doc.FileName.Substring(doc.FileName.LastIndexOf('.'));
var docId = Guid.NewGuid();
docName = $"{proposedDocType}-{docId}{docExtention}";
docUri = await storageRepository.CreateFile(docName, stream);
}
//Sample to upload to local temp storage
//var tempFolder = Path.GetTempPath();
//var fileName = Path.GetRandomFileName();
//var filePath = Path.Combine(tempFolder, fileName);
//using (var stream = new FileStream(filePath, FileMode.Create))
//{
// await doc.CopyToAsync(stream);
//}
}
// process uploaded files
// Don't rely on or trust the FileName property without validation.
var newDoc = new SmartDoc
{
Id = Guid.NewGuid().ToString(),
OwnerId = ownerId,
DocType = proposedDocType,
CreatedAt = DateTime.UtcNow,
IsDeleted = false,
DocName = docName,
DocUrl = docUri,
Status = SmartDocStatus.Created.ToString(),
Origin = docRepository.Origin
};
await docRepository.CreateItemAsync(newDoc);
//Call NewReq function background service to start processing the new doc
var newReq = new NewRequest <SmartDoc>
{
CreatedAt = DateTime.UtcNow,
Id = Guid.NewGuid().ToString(),
OwnerId = ownerId,
IsDeleted = false,
Instructions = DocumentInstructionsProcessor.GetInstructions(proposedDocType),
ItemReferenceId = newDoc.Id,
RequestItem = newDoc,
Status = SmartDocStatus.Created.ToString(),
Origin = docRepository.Origin,
IsAsync = isAsync
};
var result = await newReqService.SendNewRequest(newReq, newDoc.Id, isAsync);
return(Ok(result));
}