/// <summary>
/// This method will send data to the API for storage in the database
/// </summary>
/// <param name="productList">List of products with their image url</param>
/// <returns></returns>
private async Task <bool> SendDataToAPI(List <Products> productList)
{
try
{
var serverDetails = new SettingsService().LoadSettings();
var productData = new ProductData
{
Username = serverDetails.Username,
Password = serverDetails.Password,
Products = productList
};
var data = JsonConvert.SerializeObject(productData);
var result = await HttpService.PostModelLinks(productData, serverDetails.ServerURL);
if (result.Status.ToLowerInvariant().Equals("success"))
{
return(true);
}
else
{
ProcessingException?.Invoke("Could not save data to Server due to following reason. Reason:" + result.Message);
return(false);
}
}
catch (Exception ex)
{
ProcessingException?.Invoke("There was an error while sending the data to the server. Exception: " + ex.Message);
return(false);
}
}
private async Task ProcessQueueAsync(
ChannelReader <TrackInfo> queueReader,
CancellationToken cancellationToken = default)
{
while (await queueReader.WaitToReadAsync(cancellationToken)
.ConfigureAwait(false))
{
var info = await queueReader.ReadAsync(cancellationToken);
_logger.LogInformation("Playing {title} ({url})",
info.TrackName, info.OriginalLocation);
CurrentTrack = info;
try
{
await ProcessQueueItemAsync(info, cancellationToken);
}
catch (OperationCanceledException)
when(!cancellationToken.IsCancellationRequested)
{ /* expected for unsupported tracks */
}
catch (Exception e)
{
if (!(e is AggregateException aggregate))
{
aggregate = new AggregateException(e);
}
var args = new UnobservedTaskExceptionEventArgs(aggregate);
ProcessingException?.Invoke(this, args);
if (!args.Observed)
{
_logger.LogError(aggregate,
"Unhandled exception occured while processing " +
"queue. Track {url} may be skipped.",
info.OriginalLocation);
}
}
}
}
/// <summary>
/// This method will store the data locally in the JSON file at the destination location
/// </summary>
/// <param name="productList">List of products</param>
/// <param name="destinationLocation">Destination location path</param>
private bool StoreDataLocally(List <Products> productList, string destinationLocation)
{
try
{
// Combine all the processed textfile in 1 Json file and place in the destiantion folder
var destinationFile = Path.Combine(destinationLocation, "ParameterizedData.json");
using (StreamWriter file = File.CreateText(destinationFile))
{
JsonSerializer serializer = new JsonSerializer();
serializer.Serialize(file, productList);
}
return(true);
}
catch (Exception ex)
{
ProcessingException?.Invoke("There was an error while storing the data at local destination. Exception: " + ex.Message);
return(false);
}
}
/// <summary>
/// Method to start converting the ifc files in to the GLTF format
/// </summary>
/// <param name="sourceLocation">Source location path</param>
/// <param name="destinationLocation">Destination location path</param>
/// <param name="destinationType">Type of destination, such as server, local or both</param>
/// <returns>IFC convert Status to update the UI</returns>
public async Task <IFCConvertStatus> ConvertFiles(string sourceLocation, string destinationLocation, DestinationLocationType destinationType)
{
try
{
return(await Task.Run(async() =>
{
// Check if destination folder exist
if (!Directory.Exists(destinationLocation))
{
ProcessingException?.Invoke("The destination folder does not exist. Please specify the correct folder");
return IFCConvertStatus.Error;
}
// get all file names from the source location
var allFilenames = Directory.EnumerateFiles(sourceLocation).Select(p => Path.GetFileName(p));
// Get all filenames that have a .ifc extension
var files = allFilenames.Where(fn => Path.GetExtension(fn) == ".ifc");
// If there are no files, then return to notify the user
if (files == null || files.Count() == 0)
{
return IFCConvertStatus.NoFiles;
}
// Get total number of files, (need it for the progress bar)
var totalFiles = files.Count();
// Send the total count of the files to the viewmodel for update on UI
TotalFiles?.Invoke(totalFiles.ToString());
// Process each file and convert it
foreach (var file in files)
{
var sourceFile = Path.Combine(sourceLocation, file);
var filePathWithGLTFExtentsion = Path.ChangeExtension(file, ".glb");
var destinationFile = Path.Combine(destinationLocation, filePathWithGLTFExtentsion);
IFCConvert.Convert(sourceFile, destinationFile);
totalFiles--;
// Send message to UI to update progress bar
RemainingFiles?.Invoke((totalFiles).ToString());
}
// Send a call to the S3 bucket to upload data and the API
if (destinationType == DestinationLocationType.Both)
{
var productList = UploadModels(files, sourceLocation, destinationLocation);
if (productList != null)
{
var result = await SendDataToAPI(productList);
if (!result)
{
return IFCConvertStatus.Error;
}
}
else
{
return IFCConvertStatus.Error;
}
}
// Return success message
return IFCConvertStatus.Done;
}));
}
catch (Exception ex)
{
ProcessingException?.Invoke("There was an error while converting the IFC files. Exception: " + ex.Message);
return(IFCConvertStatus.Error);
}
}
/// <summary>
/// This method will utilize the S3UploadService to upload the converted models to the S3 bucket.
/// </summary>
/// <param name="files">List of files that need to be uploaded</param>
/// <param name="sourceLocation"></param>
/// <param name="destinationLocation"></param>
/// <returns>Return list of products or null</returns>
private List <Products> UploadModels(IEnumerable <string> files, string sourceLocation, string destinationLocation)
{
try
{
// Get the AWS details from the settings
var awsDetails = new SettingsService().LoadSettings();
// Initialization
var uploader = new S3UploadService(awsDetails.BucketName, awsDetails.AccessKey, awsDetails.SecretKey);
var sourceFiles = new List <string>();
var productUrls = new List <Products>();
// Create 3dModel Folder on AWS to upload the models
uploader.CreateFolder();
// Get the List of all 3D Models
foreach (var file in files)
{
var sourceFile = Path.Combine(sourceLocation, file);
var filePathWithGLTFExtentsion = Path.ChangeExtension(file, ".glb");
var sourceFilePath = Path.Combine(destinationLocation, filePathWithGLTFExtentsion);
sourceFiles.Add(sourceFilePath);
}
// Model Count for Progress bar
var totalModels = files.Count();
var uploaded = 0;
// Create separate threads to upload files on the AWS.
Parallel.ForEach(sourceFiles, currentFile =>
{
// Call a method to see if the file is created at the location or not before accessing it.
var fileFound = WaitForFile(currentFile);
string filename = Path.GetFileName(currentFile);
// If file is found, then start uploading process
// else send a message to the user with the issue related to filename.
if (fileFound)
{
var product = new Products
{
Code = Path.GetFileNameWithoutExtension(currentFile),
ModelURL = uploader.UploadFile(currentFile, filename),
ProductParameters = null
};
productUrls.Add(product);
uploaded++;
RemainingModels?.Invoke((totalModels - uploaded).ToString());
}
else
{
ProcessingException?.Invoke("The file: " + filename + " could not be found in the destination folder for uploading");
}
});
// Return list of all the urls for the uploaded objects
return(productUrls);
}
catch (Exception ex)
{
ProcessingException?.Invoke("There was an exeception while uploading the files to S3 bucket. Exception: " + ex.Message);
return(null);
}
}
/// <summary>
/// Method to process the text file and generate JSON files
/// </summary>
/// <param name="sourceLocation">Source location path</param>
/// <param name="destinationLocation">Destination location path</param>
/// <returns>Textfile processing Status to update the UI</returns>
public async Task <TextfileProcessingStatus> ProcessFiles(string sourceLocation, string destinationLocation, DestinationLocationType destinationType)
{
try
{
return(await Task.Run(async() =>
{
// get all file names from the source location
var allFilenames = Directory.EnumerateFiles(sourceLocation).Select(p => Path.GetFileName(p));
// Get all filenames that have a .txt extension
var files = allFilenames.Where(fn => Path.GetExtension(fn) == ".txt");
// If there are no files, then return to notify the user
if (files == null || files.Count() == 0)
{
return TextfileProcessingStatus.NoFiles;
}
// Get total number of files, (need it for the progress bar)
var totalFiles = files.Count();
// Send the total count of the files to the viewmodel for update on UI
TotalFiles?.Invoke(totalFiles.ToString());
// List for all the products with their key value pairs of data. This list will be serialzied and sent to the API
var productList = new List <Products>();
// Process each file and convert it
foreach (var file in files)
{
// Get the path for the source file
var sourceFile = Path.Combine(sourceLocation, file);
// Read all the lines of the file
var lines = File.ReadAllLines(sourceFile).ToArray();
// Final Heading Tokens after being cleaned and formatted would be stored in this list
var finalHeadings = ProcessHeaderString(lines[0]);
// Loop over rest of the lines apart from the heading line
foreach (var line in lines.Skip(1))
{
// Will contain the values from the CSV file
var content = ProcessData(line);
// Time to process the strings and convert to Json
// However, if this condition is not satisfied, that means there is something wrong with the file. We need to alert the user.
if (content != null && finalHeadings != null && content.Count() > 0 && finalHeadings.Count > 0 && finalHeadings.Count == content.Count)
{
var product = new Products
{
ProductParameters = new List <ProductParameters>(),
};
// Now make the key value pairs of the tokenized strings
for (var i = 0; i < finalHeadings.Count; i++)
{
// add a check to fill out the product code if the token is "Product Code". Then we need to update the product code
// otherwise, fill out key value pairs
if (finalHeadings[i].ToLowerInvariant().Equals("product code"))
{
product.Code = content[i];
}
else
{
var productParam = new ProductParameters
{
Key = finalHeadings[i],
Value = content[i]
};
product.ProductParameters.Add(productParam);
}
}
productList.Add(product);
}
else
{
ColumnMismatch?.Invoke("A mismatch between heading and content columns occured in file: " + Path.GetFileNameWithoutExtension(file));
}
}
totalFiles--;
// Send message to UI to update progress bar
RemainingFiles?.Invoke((totalFiles).ToString());
}
// check user's preference and save or send the file accordingly.
if (destinationType == DestinationLocationType.Local)
{
var result = StoreDataLocally(productList, destinationLocation);
return result ? TextfileProcessingStatus.Done : TextfileProcessingStatus.Error;
}
else if (destinationType == DestinationLocationType.Server)
{
var result = await SendDataToAPI(productList);
return result ? TextfileProcessingStatus.Done : TextfileProcessingStatus.Error;
}
else if (destinationType == DestinationLocationType.Both)
{
var localStorageResult = StoreDataLocally(productList, destinationLocation);
var serverStorageResult = await SendDataToAPI(productList);
return (localStorageResult && serverStorageResult) ? TextfileProcessingStatus.Done : TextfileProcessingStatus.PartialSuccess;
}
// Return success message
return TextfileProcessingStatus.Done;
}));
}
catch (Exception ex)
{
ProcessingException?.Invoke("There was an error while processing the textfiles. Exception: " + ex.Message);
return(TextfileProcessingStatus.Error);
}
}