FarmMapsApiClient/FarmmapsZonering/ZoneringApplication.cs
2020-11-12 22:12:31 +01:00

125 lines
4.9 KiB
C#

using System.IO;
using System.Linq;
using System.Threading.Tasks;
using FarmmapsApi;
using FarmmapsApi.Models;
using FarmmapsApi.Services;
using FarmmapsHaulmkilling.Models;
using FarmmapsZonering.Models;
using FarmmapsZonering.Services;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using static FarmmapsApiSamples.Constants;
namespace FarmmapsZonering
{
public class ZoneringApplication : IApplication
{
private const string DownloadFolder = "Downloads";
private const string SettingsFile = "settings.json";
private readonly ILogger<ZoneringApplication> _logger;
private readonly FarmmapsApiService _farmmapsApiService;
private readonly GeneralService _generalService;
private readonly ZoneringService _zoneringService;
private Settings _settings;
public ZoneringApplication(ILogger<ZoneringApplication> logger, FarmmapsApiService farmmapsApiService,
GeneralService generalService, ZoneringService zoneringService)
{
_logger = logger;
_farmmapsApiService = farmmapsApiService;
_generalService = generalService;
_zoneringService = zoneringService;
}
public async Task RunAsync()
{
if (!Directory.Exists(DownloadFolder))
Directory.CreateDirectory(DownloadFolder);
LoadSettings();
// !! this call is needed the first time an api is called with a fresh clientid and secret !!
await _farmmapsApiService.GetCurrentUserCodeAsync();
var roots = await _farmmapsApiService.GetCurrentUserRootsAsync();
var myDrive = roots.SingleOrDefault(r => r.Name == "My drive");
if (myDrive == null)
{
_logger.LogError("Could not find a needed root item");
return;
}
var uploadedRoot = roots.SingleOrDefault(r => r.Name == "Uploaded");
if (uploadedRoot == null)
{
_logger.LogError("Could not find a needed root item");
return;
}
Item cropfieldItem;
if (string.IsNullOrEmpty(_settings.CropfieldItemCode))
{
_logger.LogInformation("Creating cropfield");
cropfieldItem = await _generalService.CreateCropfieldItemAsync(myDrive.Code, "Cropfield VRA Zonering", 2020,
@"{ ""type"": ""Polygon"", ""coordinates"": [ [ [ 5.670991253771027, 52.796788997702613 ], [ 5.671526456638633, 52.797291618546666 ], [ 5.671275936147413, 52.797422436717852 ], [ 5.671959173850738, 52.798269302728798 ], [ 5.670649634919365, 52.798778791408822 ], [ 5.671503682048522, 52.799591206957416 ], [ 5.675159003761311, 52.798193567415474 ], [ 5.673029579585948, 52.796024727480535 ], [ 5.670991253771027, 52.796788997702613 ] ] ] }");
_settings.CropfieldItemCode = cropfieldItem.Code;
SaveSettings();
}
else
{
_logger.LogInformation("Cropfield already exists trying to get");
cropfieldItem = await _farmmapsApiService.GetItemAsync(_settings.CropfieldItemCode);
}
var inputFileName = "neo_ndvi-reglone-low-weed.tif";
var dataPath = Path.Combine("Data", inputFileName);
var geotiffItem = await _generalService.UploadDataAsync(uploadedRoot, GEOTIFF_PROCESSED_ITEMTYPE, dataPath,
Path.GetFileNameWithoutExtension(inputFileName));
if (geotiffItem == null) {
_logger.LogError("Could not find item for uploaded data");
return;
}
var outputItem = await _zoneringService.CreateApplicationMapAsync(cropfieldItem, "[0] * 2", new Output()
{
Name = "times_2_zonering",
Unit = "n/kg",
Quantity = "Nitrogen"
}, new InputParameter()
{
ItemCode = geotiffItem.Code,
LayerName = geotiffItem.Data["layers"][0]["name"].ToString()
});
_logger.LogInformation("Downloading output");
await _farmmapsApiService.DownloadItemAsync(outputItem.Code,
Path.Combine(DownloadFolder, $"times_2_zonering.zip"));
}
private void LoadSettings()
{
if (File.Exists(SettingsFile))
{
var jsonText = File.ReadAllText(SettingsFile);
_settings = JsonConvert.DeserializeObject<Settings>(jsonText);
}
else
{
_settings = new Settings();
}
}
private void SaveSettings()
{
if (_settings == null)
return;
var json = JsonConvert.SerializeObject(_settings);
File.WriteAllText(SettingsFile, json);
}
}
}