Fixed getting isaria data. Fixed cropfield creation.

FarmmapsApiSamples/NitrogenService.cs

@@ -1,5 +1,7 @@
 using System;
+using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using FarmmapsApi.Models;
@@ -21,6 +23,63 @@ namespace FarmmapsApiSamples
             _farmmapsApiService = farmmapsApiService;
         }
 
+        public async Task<Item> ProcessIsaria(string parentCode, string zipName)
+        {
+            // get processed isaria data (this can end in an infinite loop...)
+            // need better way of getting new items processed in a context...
+            Item isariaShapeItem = null;
+            await PollTask(TimeSpan.FromSeconds(3), async source =>
+            {
+                _logger.LogInformation("Trying to get isaria data");
+                var uploadedFilesChildren = await _farmmapsApiService.GetItemChildrenAsync(parentCode);
+
+                var zipItems = uploadedFilesChildren.Where(i => i.Name == zipName);
+                var isariaTasks = new List<Task<List<Item>>>();
+                foreach (var zipItem in zipItems)
+                {
+                    isariaTasks.Add(_farmmapsApiService.GetItemChildrenAsync(zipItem.Code,
+                        SHAPE_PROCESSED_ITEMTYPE));
+                }
+
+                List<Item>[] items = await Task.WhenAll(isariaTasks);
+                if (items.Length > 0)
+                {
+                    var nameWithoutExtension = Path.GetFileNameWithoutExtension(zipName);
+                    var flatItems = items.SelectMany(i => i).Where(i => i.Name.Contains(nameWithoutExtension)).ToList();
+                    if (flatItems.Count > 0)
+                    {
+                        isariaShapeItem = flatItems.OrderByDescending(i => i.Created).First();
+                        source.Cancel();
+                    }
+                }
+            });
+            
+            _logger.LogInformation("Found isaria data");
+            _logger.LogInformation("Converting shape to geotiff");
+
+            // need to transform shape data to geotiff
+            var shapeToGeotiffRequest = new TaskRequest()
+            {
+                TaskType = "vnd.farmmaps.task.shapetogeotiff"
+            };
+            var taskCode = await _farmmapsApiService.QueueTaskAsync(isariaShapeItem.Code, shapeToGeotiffRequest);
+                    
+            await PollTask(TimeSpan.FromSeconds(3), async (tokenSource) =>
+            {
+                _logger.LogInformation("Checking shapetogeotiff task status");
+                var itemTaskStatus = await _farmmapsApiService.GetTaskStatusAsync(isariaShapeItem.Code, taskCode);
+                if (itemTaskStatus.State != ItemTaskState.Processing && itemTaskStatus.State != ItemTaskState.Scheduled)
+                    tokenSource.Cancel();
+            });
+            
+            _logger.LogInformation("Isaria shape converted to geotiff");
+            
+            // the parent of the shape item is now the tiff isaria item
+            isariaShapeItem = await _farmmapsApiService.GetItemAsync(isariaShapeItem.Code);
+
+            return await _farmmapsApiService.GetItemAsync(isariaShapeItem.ParentCode); ;
+        }
+
         /// <summary>
         /// Calculates TargetN, makes the assumption the cropfield and user.input(targetn) item have the same parent
         /// </summary>