142 lines
5.2 KiB
C#
142 lines
5.2 KiB
C#
using System.Collections.Generic;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Routing;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.Extensions.Logging;
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using AyaNova.Models;
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using AyaNova.Api.ControllerHelpers;
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using AyaNova.Biz;
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using AyaNova.Util;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using System.IO;
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using System.IO.Compression;
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using ChoETL;
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namespace AyaNova.Api.Controllers
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{
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[ApiController]
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[ApiVersion("8.0")]
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[Route("api/v{version:apiVersion}/import")]
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[Produces("application/json")]
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[Authorize]
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public class ImportController : ControllerBase
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{
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private readonly AyContext ct;
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private readonly ILogger<ImportController> log;
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private readonly ApiServerState serverState;
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/// <summary>
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/// ctor
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/// </summary>
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/// <param name="dbcontext"></param>
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/// <param name="logger"></param>
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/// <param name="apiServerState"></param>
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public ImportController(AyContext dbcontext, ILogger<ImportController> logger, ApiServerState apiServerState)
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{
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ct = dbcontext;
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log = logger;
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serverState = apiServerState;
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}
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/// <summary>
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/// Upload and import file
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/// Max 100mb total
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/// </summary>
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/// <returns>Accepted</returns>
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[Authorize]
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[HttpPost("upload")]
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[DisableFormValueModelBinding]
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[RequestSizeLimit(100000000)]//100mb limit https://github.com/aspnet/Announcements/issues/267
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public async Task<IActionResult> UploadAsync()
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{
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//Adapted from the example found here: https://docs.microsoft.com/en-us/aspnet/core/mvc/models/file-uploads#uploading-large-files-with-streaming
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if (!serverState.IsOpen)
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return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
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// AyaTypeId attachToObject = null;
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ApiUploadProcessor.ApiUploadedFilesResult uploadFormData = null;
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try
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{
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if (!MultipartRequestHelper.IsMultipartContentType(Request.ContentType))
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return BadRequest(new ApiErrorResponse(ApiErrorCode.INVALID_OPERATION, null, $"Expected a multipart request, but got {Request.ContentType}"));
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//Save uploads to disk under temporary file names until we decide how to handle them
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uploadFormData = await ApiUploadProcessor.ProcessUploadAsync(HttpContext);
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bool badRequest = false;
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string UploadObjectType = string.Empty;
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string errorMessage = string.Empty;
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string Notes = string.Empty;
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List<UploadFileData> FileData = new List<UploadFileData>();
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if (
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!uploadFormData.FormFieldData.ContainsKey("FileData"))//only filedata is required
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{
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badRequest = true;
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errorMessage = "Missing required FormFieldData value: FileData";
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}
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if (!badRequest)
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{
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if (uploadFormData.FormFieldData.ContainsKey("ObjectType"))
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UploadObjectType = uploadFormData.FormFieldData["ObjectType"].ToString();
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//fileData in JSON stringify format which contains the actual last modified dates etc
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//"[{\"name\":\"Client.csv\",\"lastModified\":1582822079618},{\"name\":\"wmi4fu06nrs41.jpg\",\"lastModified\":1586900220990}]"
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FileData = Newtonsoft.Json.JsonConvert.DeserializeObject<List<UploadFileData>>(uploadFormData.FormFieldData["FileData"].ToString());
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}
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//Instantiate the business object handler
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AyaType TheType = System.Enum.Parse<AyaType>(UploadObjectType, true);
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log.LogDebug($"Instantiating biz object handler for {TheType}");
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var biz = BizObjectFactory.GetBizObject(TheType, ct);
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//We have our files now can parse and insert into db
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if (uploadFormData.UploadedFiles.Count > 0)
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{
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//deserialize each file and import
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foreach (UploadedFileInfo a in uploadFormData.UploadedFiles)
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{
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JArray ja = JArray.Parse(System.IO.File.ReadAllText(a.InitialUploadedPathName));
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await ((IImportAbleObject)biz).ImportData(ja);
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}
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}
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}
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catch (System.IO.InvalidDataException ex)
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{
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return BadRequest(new ApiErrorResponse(ApiErrorCode.INVALID_OPERATION, null, ex.Message));
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}
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finally
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{
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//delete all the files temporarily uploaded and return bad request
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ApiUploadProcessor.DeleteTempUploadFile(uploadFormData);
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}
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//TODO: Return results of operation here
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return Accepted();
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}
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//-----------------------------------------
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}//eoc
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}//eons |