forked from FarmMaps/FarmMapsApiClient
288 lines
13 KiB
C#
288 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Threading.Tasks;
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using FarmmapsApi;
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using FarmmapsApi.Models;
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using FarmmapsApi.Services;
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using FarmmapsDataDownload.Models;
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using Microsoft.Extensions.Logging;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using static FarmmapsApiSamples.Constants;
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namespace FarmmapsDataDownload
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{
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public class DataDownloadApplication : IApplication
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{
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//private const string DownloadFolder = "Downloads";
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private const string SettingsFile = "settings.json";
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private readonly ILogger<DataDownloadApplication> _logger;
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private readonly FarmmapsApiService _farmmapsApiService;
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private readonly DataDownloadService _dataDownloadService;
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private readonly GeneralService _generalService;
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private Settings _settings;
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public DataDownloadApplication(ILogger<DataDownloadApplication> logger, FarmmapsApiService farmmapsApiService,
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GeneralService generalService, DataDownloadService dataDownloadService)
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{
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_logger = logger;
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_farmmapsApiService = farmmapsApiService;
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_generalService = generalService;
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_dataDownloadService = dataDownloadService;
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}
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public async Task RunAsync()
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{
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var fieldsInputJson = File.ReadAllText("DataDownloadInput.json");
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List<DataDownloadInput> fieldsInputs = JsonConvert.DeserializeObject<List<DataDownloadInput>>(fieldsInputJson);
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// !! this call is needed the first time an api is called with a fresh clientid and secret !!
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await _farmmapsApiService.GetCurrentUserCodeAsync();
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var roots = await _farmmapsApiService.GetCurrentUserRootsAsync();
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foreach (var input in fieldsInputs)
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{
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try
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{
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await Process(roots, input);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex.Message);
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}
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}
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}
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private async Task Process(List<UserRoot> roots, DataDownloadInput input)
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{
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string downloadFolder = input.DownloadFolder;
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if (string.IsNullOrEmpty(downloadFolder)) {
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downloadFolder = "Downloads";
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}
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if (!Directory.Exists(downloadFolder))
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Directory.CreateDirectory(downloadFolder);
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// !!specify if you are using an already created cropfield:
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bool useCreatedCropfield = input.UseCreatedCropfield;
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var cropYear = input.CropYear;
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var fieldName = input.fieldName;
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bool storeSatelliteStatistics = input.StoreSatelliteStatisticsSingleImage;
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bool storeSatelliteStatisticsCropYear = input.StoreSatelliteStatisticsCropYear;
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List<string> SatelliteBands = new List<string>(1) { input.SatelliteBand };
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string headerLineStats = $"FieldName,satelliteDate,satelliteBand,max,min,mean,mode,median,stddev,minPlus,curtosis,maxMinus,skewness,variance,populationCount,variationCoefficient,confidenceIntervalLow, confidenceIntervalHigh,confidenceIntervalErrorMargin" + Environment.NewLine;
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string settingsfile = $"Settings_{fieldName}.json";
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LoadSettings(settingsfile);
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var uploadedRoot = roots.SingleOrDefault(r => r.Name == "Uploaded");
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if (uploadedRoot == null)
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{
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_logger.LogError("Could not find a needed root item");
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return;
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}
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var myDriveRoot = roots.SingleOrDefault(r => r.Name == "My drive");
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if (myDriveRoot == null)
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{
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_logger.LogError("Could not find a needed root item");
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return;
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}
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// Use already created cropfield or create new one
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Item cropfieldItem;
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if (useCreatedCropfield == false || string.IsNullOrEmpty(_settings.CropfieldItemCode))
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{
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_logger.LogInformation("Creating cropfield");
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cropfieldItem = await _generalService.CreateCropfieldItemAsync(myDriveRoot.Code,
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$"DataCropfield {input.OutputFileName}", cropYear, input.GeometryJson.ToString(Formatting.None));
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_settings.CropfieldItemCode = cropfieldItem.Code;
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SaveSettings(settingsfile);
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}
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else
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{
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_logger.LogInformation("Cropfield already exists, trying to get it");
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cropfieldItem = await _farmmapsApiService.GetItemAsync(_settings.CropfieldItemCode);
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}
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//Get croprecordings
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if (input.GetCropRecordings)
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{
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var crprecItem = input.CrprecItem;
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//Item cropfieldItem = ;
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_logger.LogInformation($"Trying to get crop recordings of croprecording: {crprecItem}");
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var cropRec = await _farmmapsApiService.GetItemChildrenAsync(crprecItem, CROPREC_ITEMTYPE);
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if (cropRec == null)
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{
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_logger.LogError("Something went wrong while obtaining the croprecordings");
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return;
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}
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var cropRecPath = Path.Combine(downloadFolder, $"croprecordings_{crprecItem}.json");
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_logger.LogInformation($"Found {cropRec.Count} crop recordings");
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var count = 0;
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TimeSpan.FromSeconds(0.5);
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foreach (var item in cropRec)
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{
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Console.WriteLine($"Crop recording #{count}: {item.Name}");
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File.AppendAllText(cropRecPath, item.Data +Environment.NewLine);
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count++;
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}
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_logger.LogInformation($"Downloaded file {cropRecPath}");
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}
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// Get shadow data
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if (input.GetShadowData)
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{
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_logger.LogInformation("Calculate shadow map for field");
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var shadowItem = await _generalService.RunShadowTask(cropfieldItem);
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if (shadowItem == null)
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{
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_logger.LogError("Something went wrong while obtaining the shadow map");
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return;
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}
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_logger.LogInformation("Downloading shadow map");
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await _farmmapsApiService.DownloadItemAsync(shadowItem.Code,
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Path.Combine(downloadFolder, $"{input.OutputFileName}_shadow.zip"));
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}
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// Get satellite data
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if (input.GetSatelliteData)
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{
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// check if satellite task not yet done, do here and save taskcode
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if (useCreatedCropfield == false || string.IsNullOrEmpty(_settings.SatelliteTaskCode))
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{
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var satelliteTaskCode = await _generalService.RunSatelliteTask(cropfieldItem);
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_settings.SatelliteTaskCode = satelliteTaskCode;
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SaveSettings(settingsfile);
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}
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// Select all satellite items
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List<Item> satelliteItemsCropYear = await _generalService.FindSatelliteItems(cropfieldItem, _settings.SatelliteTaskCode);
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satelliteItemsCropYear = satelliteItemsCropYear.OrderBy(x => x.DataDate).ToList();
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if (input.StoreSatelliteStatisticsSingleImage == true) {
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_logger.LogInformation("Available satellite images:");
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var count = 0;
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TimeSpan.FromSeconds(0.5);
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foreach (var item in satelliteItemsCropYear)
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{
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Console.WriteLine($"Satellite image #{count}: {item.DataDate}");
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count++;
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}
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_logger.LogInformation("Enter satellite image number");
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int element = Int32.Parse(Console.ReadLine());
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var selectedSatelliteItem = satelliteItemsCropYear[element];
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var SatelliteDate = selectedSatelliteItem.DataDate.Value.ToString("yyyyMMdd");
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string fileName = string.Format($"satelliteGeotiff_{fieldName}_{SatelliteDate}"); // no need to add satelliteBand in the name because the tif contains all bands
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string fileNameZip = string.Format($"{fileName}.zip");
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string fileNameGeotiff = string.Format($"{fileName}.tif");
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await _farmmapsApiService.DownloadItemAsync(selectedSatelliteItem.Code, Path.Combine(downloadFolder, fileNameZip));
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// Download a csv file with stats
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List<Item> selectedSatalliteItems = new List<Item>(1) { selectedSatelliteItem };
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string fileNameStats = Path.Combine(downloadFolder, string.Format($"satelliteStats_{fieldName}_{SatelliteDate}.csv"));
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string downloadedStats = await _generalService.DownloadSatelliteStats(selectedSatalliteItems, fieldName, SatelliteBands, downloadFolder);
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//rename the csv file with stats
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File.Delete(fileNameStats);
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File.Move(downloadedStats, fileNameStats);
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// wenr.tif. Contains 5 layers: (1) ndvi, (2) wdvi, (3) Red, (4) Green and (5) Blue
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// download the geotiffs. Returns a zip file with always these three files:
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// data.dat.aux.xml
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// thumbnail.jpg
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// wenr.tif. Contains 5 layers: (1) ndvi, (2) wdvi, (3) Red, (4) Green and (5) Blue
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if (true)
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{
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// Extract the file "wenr.tif" from zip, rename it to fileNameGeotiff
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ZipFile.ExtractToDirectory(Path.Combine(downloadFolder, fileNameZip), downloadFolder, true);
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File.Delete(Path.Combine(downloadFolder, fileNameGeotiff)); // Delete the fileNameGeotiff file if exists
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File.Move(Path.Combine(downloadFolder, "wenr.tif"), Path.Combine(downloadFolder, fileNameGeotiff)); // Rename the oldFileName into newFileName
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// Cleanup
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string[] filesToDelete = new string[] { fileNameZip, "wenr.tif", "thumbnail.jpg", "data.dat.aux.xml" };
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foreach (string f in filesToDelete)
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{
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File.Delete(Path.Combine(downloadFolder, f));
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}
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}
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_logger.LogInformation($"Downloaded files {fileNameGeotiff} and {fileNameStats} to {downloadFolder}");
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}
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if (input.StoreSatelliteStatisticsCropYear == true) {
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string fileNameStats = Path.Combine(downloadFolder, string.Format($"satelliteStats_{fieldName}_{cropYear}.csv"));
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File.Delete(fileNameStats);
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string downloadedStats = await _generalService.DownloadSatelliteStats(satelliteItemsCropYear, fieldName, SatelliteBands, downloadFolder);
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File.Move(downloadedStats, fileNameStats);
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_logger.LogInformation($"Downloaded file {fileNameStats} with stats for field '{fieldName}', cropyear {cropYear}");
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}
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}
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// Get vanDerSat data
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if (input.GetVanDerSatData)
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{
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// check if satellite task not yet done, do here and save taskcode
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if (useCreatedCropfield == false || string.IsNullOrEmpty(_settings.VanDerSatTaskCode))
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{
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var vanDerSatTaskCode = await _generalService.RunVanDerSatTask(cropfieldItem);
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_settings.VanDerSatTaskCode = vanDerSatTaskCode;
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SaveSettings(settingsfile);
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}
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// Select a particular satellite item from satelliteTask
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Item vanDerSatItem = await _generalService.FindVanDerSatItem(cropfieldItem, _settings.VanDerSatTaskCode, fieldName, input.StoreVanDerSatStatistics);
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}
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}
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// Functions to save previously created cropfields
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private void LoadSettings(string file)
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{
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if (File.Exists(file))
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{
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var jsonText = File.ReadAllText(file);
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_settings = JsonConvert.DeserializeObject<Settings>(jsonText);
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}
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else
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{
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_settings = new Settings();
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}
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}
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private void SaveSettings(string file)
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{
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if (_settings == null)
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return;
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var json = JsonConvert.SerializeObject(_settings);
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File.WriteAllText(file, json);
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}
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private void SaveInfo(string file)
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{
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if (_settings == null)
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return;
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var json = JsonConvert.SerializeObject(_settings);
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File.WriteAllText(file, json);
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}
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}
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}
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