FarmMapsApiClient/FarmmapsApi/Services/GeneralService.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using FarmmapsApi.Models;
using Google.Apis.Upload;
using Microsoft.Extensions.Logging;
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using Newtonsoft.Json.Linq;
using static FarmmapsApi.Extensions;
using static FarmmapsApiSamples.Constants;
namespace FarmmapsApi.Services
{
public class GeneralService
{
private readonly ILogger<GeneralService> _logger;
private readonly FarmmapsApiService _farmmapsApiService;
private readonly string _downloadFolder = "Downloads";
public GeneralService(ILogger<GeneralService> logger, FarmmapsApiService farmmapsApiService)
{
_logger = logger;
_farmmapsApiService = farmmapsApiService;
}
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public async Task<Item> CreateCropfieldItemAsync(string parentItemCode, string name, int year, string fieldGeomJson)
{
var currentYear = new DateTime(year, 1, 1);
var cropfieldItemRequest = new ItemRequest()
{
ParentCode = parentItemCode,
ItemType = CROPFIELD_ITEMTYPE,
Name = name,
DataDate = currentYear,
DataEndDate = currentYear.AddYears(1).AddDays(-1),
Data = JObject.Parse("{}"),
Geometry = JObject.Parse(fieldGeomJson)
};
return await _farmmapsApiService.CreateItemAsync(cropfieldItemRequest);
}
public async Task<Item> UploadDataAsync(UserRoot root, string itemType, string filePath, string itemName)
{
var startUpload = DateTime.UtcNow;
var result = await _farmmapsApiService.UploadFile(filePath, root.Code,
progress => _logger.LogInformation($"Status: {progress.Status} - BytesSent: {progress.BytesSent}"));
if (result.Progress.Status == UploadStatus.Failed)
return null;
return await FindChildItemAsync(root.Code, itemType, itemName,
i => i.Created >= startUpload &&
i.Name.ToLower().Contains(itemName.ToLower()));
}
public async Task<Item> UploadZipWithShapeAsync(UserRoot root, string filePath, string itemName)
{
var startUpload = DateTime.UtcNow;
var result = await _farmmapsApiService.UploadFile(filePath, root.Code,
progress => _logger.LogInformation($"Status: {progress.Status} - BytesSent: {progress.BytesSent}"));
if (result.Progress.Status == UploadStatus.Failed)
return null;
var zipName = Path.GetFileName(filePath);
Item shapeItem = null;
await PollTask(TimeSpan.FromSeconds(3), async source =>
{
_logger.LogInformation($"Searching for {itemName} item");
var uploadedFilesChildren = await _farmmapsApiService.GetItemChildrenAsync(root.Code);
var zipItems = uploadedFilesChildren.Where(i => i.Name.Contains(zipName));
foreach (var zipItem in zipItems)
{
List<Item> items = await _farmmapsApiService.GetItemChildrenAsync(zipItem.Code,
SHAPE_PROCESSED_ITEMTYPE);
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items = items.Where(i => i.Created >= startUpload).OrderByDescending(i => i.Created).ToList();
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if (items.Any())
{
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shapeItem = items.First(i => i.Name.Contains(itemName));
if(shapeItem != null)
{
source.Cancel();
break;
}
}
}
});
return shapeItem;
}
public async Task<Item> ShapeToGeotiff(Item shapeItem)
{
var shapeToGeotiffRequest = new TaskRequest()
{
TaskType = "vnd.farmmaps.task.shapetogeotiff"
};
var taskCode = await _farmmapsApiService.QueueTaskAsync(shapeItem.Code, shapeToGeotiffRequest);
await PollTask(TimeSpan.FromSeconds(3), async (tokenSource) =>
{
_logger.LogInformation("Checking shapetogeotiff task status");
var itemTaskStatus = await _farmmapsApiService.GetTaskStatusAsync(shapeItem.Code, taskCode);
if (itemTaskStatus.IsFinished)
tokenSource.Cancel();
});
_logger.LogInformation("Data shape converted to geotiff");
// the parent of the shape item is now the tiff item
shapeItem = await _farmmapsApiService.GetItemAsync(shapeItem.Code);
return await _farmmapsApiService.GetItemAsync(shapeItem.ParentCode);
}
public async Task<Item> FindChildItemAsync(string parentCode, string itemType, string containsName,
Func<Item, bool> filter = null, int maxTries = 10)
{
Item dataItem = null;
int tries = 0;
await PollTask(TimeSpan.FromSeconds(3), async source =>
{
_logger.LogInformation($"Trying to get {containsName} data");
var uploadedFilesChildren = await _farmmapsApiService.GetItemChildrenAsync(parentCode, itemType);
if (uploadedFilesChildren.Count > 0)
{
Func<Item, bool> func = filter ?? (i => i.Name.ToLower().Contains(containsName.ToLower()));
dataItem = uploadedFilesChildren.FirstOrDefault(func);
source.Cancel();
}
else if (tries == maxTries)
{
source.Cancel();
}
tries++;
});
if (dataItem == null)
{
_logger.LogError("dataItem not found");
return null;
}
_logger.LogInformation($"Found {containsName} item");
return dataItem;
}
}
}