Finding satellite items.

added process satellite to haulmkilling.

FarmmapsApi/Constants.cs

@@ -3,11 +3,16 @@ namespace FarmmapsApiSamples
     public static class Constants
     {
         public const string USERINPUT_ITEMTYPE = "vnd.farmmaps.itemtype.user.input";
+        public const string TEMPORAL_ITEMTYPE = "vnd.farmmaps.itemtype.temporal";
         public const string GEOTIFF_ITEMTYPE = "vnd.farmmaps.itemtype.geotiff";
         public const string GEOTIFF_PROCESSED_ITEMTYPE = "vnd.farmmaps.itemtype.geotiff.processed";
         public const string CROPFIELD_ITEMTYPE = "vnd.farmmaps.itemtype.cropfield";
         public const string SHAPE_PROCESSED_ITEMTYPE = "vnd.farmmaps.itemtype.shape.processed";
         public const string SHAPE_ITEMTYPE = "vnd.farmmaps.itemtype.shape";
+        
         public const string VRANBS_TASK = "vnd.farmmaps.task.vranbs";
+        public const string VRAHERBICIDE_TASK = "vnd.farmmaps.task.vraherbicide";
+        public const string VRAHAULMKILLING_TASK = "vnd.farmmaps.task.vrahaulmkilling";
+        public const string SATELLITE_TASK = "vnd.farmmaps.task.satellite";
     }
 }

FarmmapsApi/Services/GeneralService.cs

@@ -96,27 +96,37 @@ namespace FarmmapsApi.Services
 
         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");
+            await RunAndWaitForTask(shapeItem, "vnd.farmmaps.task.shapetogeotiff");
 
             // 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<ItemTaskStatus> RunAndWaitForTask(Item subjectItem, string taskIdentifier, 
+            Action<TaskRequest> configureCallback = null, int retrySeconds = 3)
+        {
+            var taskRequest = new TaskRequest()
+            {
+                TaskType = taskIdentifier
+            };
+            configureCallback?.Invoke(taskRequest);
+            
+            var taskCode = await _farmmapsApiService.QueueTaskAsync(subjectItem.Code, taskRequest);
+
+            await PollTask(TimeSpan.FromSeconds(retrySeconds), async (tokenSource) =>
+            {
+                _logger.LogInformation($"Checking {taskIdentifier} task status");
+                var itemTaskStatus = await _farmmapsApiService.GetTaskStatusAsync(subjectItem.Code, taskCode);
+                if (itemTaskStatus.IsFinished)
+                    tokenSource.Cancel();
+            });
+            
+            _logger.LogInformation($"{taskIdentifier} finished");
+            
+            return await _farmmapsApiService.GetTaskStatusAsync(subjectItem.Code, taskCode);
+        }
+
         public async Task<Item> FindChildItemAsync(string parentCode, string itemType, string containsName,
             Func<Item, bool> filter = null, int maxTries = 10)
         {

FarmmapsHaulmkilling/HaulmkillingApplication.cs

@@ -2,19 +2,27 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using FarmmapsApi;
+using FarmmapsApi.Models;
 using FarmmapsApi.Services;
+using FarmmapsHaulmkilling.Models;
 using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+
+using static FarmmapsApiSamples.Constants;
 
 namespace FarmmapsHaulmkilling
 {
     public class HaulmkillingApplication : IApplication
     {
         private const string DownloadFolder = "Downloads";
+        private const string SettingsFile = "settings.json";
 
         private readonly ILogger<HaulmkillingApplication> _logger;
         private readonly FarmmapsApiService _farmmapsApiService;
         private readonly HaulmkillingService _haulmkillingService;
         private readonly GeneralService _generalService;
+
+        private Settings _settings;
         
         public HaulmkillingApplication(ILogger<HaulmkillingApplication> logger, FarmmapsApiService farmmapsApiService,
             GeneralService generalService, HaulmkillingService haulmkillingService)
@@ -29,6 +37,8 @@ namespace FarmmapsHaulmkilling
         {
             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();
@@ -55,15 +65,88 @@ namespace FarmmapsHaulmkilling
                 return;
             }
 
-            // save cropfield item and check if already exists and created (this to not have to run satellite everytime)
-            _logger.LogInformation("Creating cropfield");
-            var cropfieldItem = await _generalService.CreateCropfieldItemAsync(myDrive.Code, "Cropfield VRA Haulmkilling", 2020, 
-                @"{""type"":""Polygon"",""coordinates"":[[[4.617786844284247,52.22533706956424],[4.618642601314543,52.225938364585989],[4.6192153806397,52.22563988897754],[4.619192414656403,52.2256242822442],[4.620306732153958,52.225031745661528],[4.620542019225217,52.22519855319158],[4.621157509147853,52.22487436515405],[4.623387917230182,52.22367660757213],[4.624563444939009,52.22304740241544],[4.624562779355982,52.223046635247019],[4.624534908813479,52.22302596787506],[4.627873021330343,52.221240670658399],[4.627504935938338,52.220104419135129],[4.627324878706837,52.22020569669098],[4.627320696113512,52.22020660117888],[4.626707169518044,52.22053923770041],[4.624700376420229,52.221619047547488],[4.623471571183885,52.22227447969577],[4.623471511010673,52.22227500174403],[4.623468838689317,52.22228052566992],[4.617786844284247,52.22533706956424]]]}");
+            Item cropfieldItem;
+            if (string.IsNullOrEmpty(_settings.CropfieldItemCode))
+            {
+                _logger.LogInformation("Creating cropfield");
+                cropfieldItem = await _generalService.CreateCropfieldItemAsync(myDrive.Code, "Cropfield VRA Haulmkilling", 2020, 
+                    @"{""type"":""Polygon"",""coordinates"":[[[4.617786844284247,52.22533706956424],[4.618642601314543,52.225938364585989],[4.6192153806397,52.22563988897754],[4.619192414656403,52.2256242822442],[4.620306732153958,52.225031745661528],[4.620542019225217,52.22519855319158],[4.621157509147853,52.22487436515405],[4.623387917230182,52.22367660757213],[4.624563444939009,52.22304740241544],[4.624562779355982,52.223046635247019],[4.624534908813479,52.22302596787506],[4.627873021330343,52.221240670658399],[4.627504935938338,52.220104419135129],[4.627324878706837,52.22020569669098],[4.627320696113512,52.22020660117888],[4.626707169518044,52.22053923770041],[4.624700376420229,52.221619047547488],[4.623471571183885,52.22227447969577],[4.623471511010673,52.22227500174403],[4.623468838689317,52.22228052566992],[4.617786844284247,52.22533706956424]]]}");
+                _settings.CropfieldItemCode = cropfieldItem.Code;
+                SaveSettings();
+            }
+            else
+            {
+                _logger.LogInformation("Cropfield already exists trying to get");
+                cropfieldItem = await _farmmapsApiService.GetItemAsync(_settings.CropfieldItemCode);
+            }
+
+            ItemTaskStatus taskStatus;
+            if (!string.IsNullOrEmpty(_settings.SatelliteTaskCode))
+            {
+                _logger.LogInformation("Gathering satellite information for cropfield, this might take a while!");
+                taskStatus = await _generalService.RunAndWaitForTask(cropfieldItem, SATELLITE_TASK, null, 20);
+
+                if (taskStatus.State == ItemTaskState.Error)
+                {
+                    _logger.LogError($"Something went wrong when trying to process satellite data; {taskStatus.Message}");
+                    return;
+                }
+
+                _settings.SatelliteTaskCode = taskStatus.Code;
+                SaveSettings();
+
+            }
+            else
+            {
+                taskStatus = await _farmmapsApiService.GetTaskStatusAsync(_settings.CropfieldItemCode, _settings.SatelliteTaskCode);
+            }
 
-            // run satellite task on just added cropfield
-            
-            
             // find ndvi or wdvi satellite data geotiffs
+            var temporalITem = await _generalService.FindChildItemAsync(cropfieldItem.Code, TEMPORAL_ITEMTYPE,
+                "Cropfield VRA Haulmkilling, Satellite", item => item.SourceTask == SATELLITE_TASK && 
+                                                                 taskStatus.Finished >= item.Created && 
+                                                                 taskStatus.Finished <= item.Created.Value.AddHours(1));
+            
+            if (temporalITem == null)
+            {
+                _logger.LogError($"Temporal item not found");
+                return;
+            }
+
+            var satelliteTiffs = await _farmmapsApiService.GetItemChildrenAsync(temporalITem.Code);
+            var firstSatelliteItem = satelliteTiffs.FirstOrDefault();
+
+            if (firstSatelliteItem == null)
+            {
+                _logger.LogError($"Satellite item not found");
+                return;
+            }
+
+            // create haulmkilling application map
+
+            // download application map
+        }
+
+        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);
         }
     }
 }

FarmmapsHaulmkilling/Models/Settings.cs

@@ -0,0 +1,8 @@
+namespace FarmmapsHaulmkilling.Models
+{
+    public class Settings
+    {
+        public string CropfieldItemCode { get; set; }
+        public string SatelliteTaskCode { get; set; }
+    }
+}