179 lines
6.6 KiB
C#
179 lines
6.6 KiB
C#
using System;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Collections.Generic;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Options;
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using DigitalData.Modules.Interfaces;
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using DigitalData.Modules.Logging;
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using static DigitalData.Modules.Interfaces.Exceptions;
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using static DigitalData.Modules.Interfaces.ZUGFeRDInterface;
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namespace ZUGFeRDRESTService.Controllers
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{
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[Route("api/[controller]")]
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[ApiController]
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public class ValidationController : ControllerBase
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{
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public static string RESPONSE_OK = "OK";
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public static string RESPONSE_ERROR = "ERROR";
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private readonly ZUGFeRDInterface _zugferd;
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private readonly IDatabase _database;
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private readonly DigitalData.Modules.Logging.LogConfig _logConfig;
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private readonly DigitalData.Modules.Logging.Logger _logger;
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private readonly PropertyValues _props;
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private readonly Dictionary<String, XmlItemProperty> _propertyMap;
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public class ValidationResponse
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{
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public string status;
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public string message;
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public List<string> errors;
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public ValidationResponse()
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{
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status = RESPONSE_OK;
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message = string.Empty;
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errors = new List<string>();
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}
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public ValidationResponse(string Status, string Message)
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{
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status = Status;
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message = Message;
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errors = new List<string>();
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}
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public ValidationResponse(string Status, string Message, List<String> Errors)
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{
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status = Status;
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message = Message;
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errors = Errors;
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}
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}
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public ValidationController(ILogging logging, IDatabase database)
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{
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_logConfig = logging.LogConfig;
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_logger = _logConfig.GetLogger();
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_logger.Debug("Validation Controller initializing");
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_database = database;
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var oGDPictureKey = database.GetGDPictureKey();
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var oPropertyMap = database.GetPropertyMap();
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_propertyMap = oPropertyMap;
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_zugferd = new ZUGFeRDInterface(_logConfig, oGDPictureKey);
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_props = new PropertyValues(_logConfig);
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_logger.Debug("Validation Controller initialized!");
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}
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/// <summary>
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/// POST: /api/validation
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/// </summary>
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/// <param name="files">This parameter's name needs to correspond to the html form's file-input name</param>
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[HttpPost]
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public async Task<ValidationResponse> Post(IFormFile file, string user_id)
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{
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_logger.Debug("Start processing request to ValidationController");
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object oDocument;
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PropertyValues.CheckPropertyValuesResult oResult = new PropertyValues.CheckPropertyValuesResult();
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try
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{
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using Stream oStream = file.OpenReadStream();
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{
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_logger.Debug("Extracting ZUGFeRD Data from file [{0}]", file.FileName);
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oDocument = _zugferd.ExtractZUGFeRDFileWithGDPicture(oStream);
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_logger.Debug("Checking ZUGFeRD Data against the database");
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oResult = _props.CheckPropertyValues(oDocument, _propertyMap, "MESSAGEID");
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var oRequiredProperties = _propertyMap.
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Where(prop => {return prop.Value.IsRequired == true;}).
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Select(prop => { return prop.Value.Description; })
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.ToList();
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_logger.Debug("Found [{0}] required properties", oRequiredProperties.Count);
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_logger.Debug(String.Join(",", oRequiredProperties.ToArray()));
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_logger.Debug("Result of checking against the database: {0} valid properties, {1} missing properties",
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oResult.ValidProperties.Count, oResult.MissingProperties.Count);
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if (oResult.MissingProperties.Count > 0)
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{
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throw new ZUGFeRDExecption(ZUGFeRDInterface.ErrorType.MissingProperties,
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"Die hochgeladene Datei ist eine gültige ZUGFeRD-Rechnung, allerdings fehlen benötigte Daten.");
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}
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string oMessage = "Die hochgeladene Datei ist eine gültige-ZUGFeRD Rechnung";
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_logger.Debug($"Replying with: [{oMessage}]");
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return new ValidationResponse()
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{
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status = RESPONSE_OK,
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message = oMessage
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};
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};
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}
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catch (ZUGFeRDExecption ex)
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{
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_logger.Error(ex);
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// Determine which message should be sent in the response
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string oMessage = ex.ErrorType switch
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{
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ErrorType.NoValidFile => "Die hochgeladene Datei ist keine gültige Datei.",
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ErrorType.NoZugferd => "Die hochgeladene Datei ist keine ZUGFeRD-Rechnung.",
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ErrorType.NoValidZugferd => "Die hochgeladene Datei ist keine gültige ZUGFeRD-Rechnung.",
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ErrorType.MissingProperties => "Die hochgeladene Datei ist keine gültige ZUGFeRD-Rechnung, es fehlen einige Metadaten",
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_ => "Die hochgeladene Datei kann nicht validiert werden.",
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};
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// Determine if any errors should be sent in the response
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List<string> oErrors = ex.ErrorType switch
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{
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// Errors contains the list of missing fields
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ErrorType.MissingProperties => oResult.MissingProperties,
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_ => new List<string>()
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};
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_logger.Debug($"Replying with: [{oMessage}]");
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return new ValidationResponse()
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{
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status = RESPONSE_ERROR,
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message = oMessage,
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errors = oErrors
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};
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}
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catch (Exception ex)
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{
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_logger.Error(ex);
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string oMessage = "Die hochgeladene Datei kann nicht validiert werden, weil ein unbekannter Fehler aufgetreten ist.";
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_logger.Debug($"Replying with: [{oMessage}]");
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return new ValidationResponse()
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{
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status = RESPONSE_ERROR,
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message = oMessage
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};
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}
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}
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}
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}
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