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using DWSIM.Simulate365.Models;
using DWSIM.UI.Web.Settings;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
namespace DWSIM.Simulate365.Services
{
public class FileDownloadService
{
public static Stream GetFileBySimulatePath(string simulatePath)
{
if (simulatePath.StartsWith("//Simulate 365 Dashboard/"))
simulatePath = simulatePath.Substring(24);
var token = UserService.GetInstance().GetUserToken();
var client = GetDashboardClient(token);
// Get drive item
var stream = Task.Run(async () => await client.GetStreamAsync($"/api/files/download-by-path?filePath={simulatePath}")).Result;
return stream;
}
public static bool FileExistsByPath(string simulatePath)
{
if (simulatePath.StartsWith("//Simulate 365 Dashboard/"))
simulatePath = simulatePath.Substring(24);
var token = UserService.GetInstance().GetUserToken();
var client = GetDashboardClient(token);
var contentJson = JsonConvert.SerializeObject(new FileExistsByPathPostModel { FilePath = simulatePath });
var content = new StringContent(contentJson, Encoding.UTF8, "application/json");
try
{
var result = Task.Run(async () => await client.PostAsync("/api/files/file-exists-by-path", content)).Result;
if (!result.IsSuccessStatusCode)
{
var errorMessage = Task.Run(async () => await result.Content.ReadAsStringAsync()).Result;
throw new Exception($"An error occurred while checking if file exists by file path. Response status:{result.StatusCode}. Error message: {errorMessage}");
}
var resultJson = Task.Run(async () => await result.Content.ReadAsStringAsync()).Result;
if (string.IsNullOrEmpty(resultJson))
throw new Exception("An error occurred while checking if file exists by file path. File response message was empty.");
var responseModel = JsonConvert.DeserializeObject<FileExistsResponseModel>(resultJson);
return responseModel?.Exists ?? false;
}
catch (Exception ex)
{
throw new Exception("An error occurred during the file existence check", ex);
}
}
private static HttpClient GetDashboardClient(string token)
{
var client = new HttpClient();
client.BaseAddress = new Uri(DashboardSettings.DashboardServiceUrl);
client.DefaultRequestHeaders.Add("Authorization", $"Bearer {token}");
return client;
}
}
}
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