FarmMapsApiClient_KB34_MAST/FarmmapsKPI/KPIApplication.cs

444 lines
23 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Threading.Tasks;
using FarmmapsApi;
using FarmmapsApi.Models;
using FarmmapsApi.Services;
using FarmmapsKPI.Models;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using static FarmmapsApiSamples.Constants;
namespace FarmmapsKPI
{
public class KPIApplication : IApplication
{
//private const string DownloadFolder = "Downloads";
private const string SettingsFile = "settings.json";
private readonly ILogger<KPIApplication> _logger;
private readonly FarmmapsApiService _farmmapsApiService;
private readonly KPIService _kpiService;
private readonly GeneralService _generalService;
private Settings _settings;
public KPIApplication(ILogger<KPIApplication> logger, FarmmapsApiService farmmapsApiService,
GeneralService generalService, KPIService kpiService)
{
_logger = logger;
_farmmapsApiService = farmmapsApiService;
_generalService = generalService;
_kpiService = kpiService;
}
public async Task RunAsync()
{
KPIInput input;
string fnKPIinput;
Console.WriteLine("Type name of input json file. Example: KPIinput.json (in same directory as FarmmapsKPI.exe) or C:/temp/KPIinputChemieTmp.json");
fnKPIinput = Console.ReadLine();
if (string.IsNullOrEmpty(fnKPIinput))
{
fnKPIinput = "KPIinput.json";
}
var fieldsInputJson = File.ReadAllText(fnKPIinput);
List<KPIInput> fieldsInputs = JsonConvert.DeserializeObject<List<KPIInput>>(fieldsInputJson);
// !! 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();
//Where to write the output
string downloadFolder = fieldsInputs[0].DownloadFolder;
if (string.IsNullOrEmpty(downloadFolder))
{
downloadFolder = "Downloads";
}
if (!Directory.Exists(downloadFolder))
Directory.CreateDirectory(downloadFolder);
//Write the same info to a single csv file. Note this means existing file will be overwritten!
StreamWriter sw;
string KPIItemCsv = Path.GetFileNameWithoutExtension(fnKPIinput) + "_Items.csv";
string KPIItemPathCsv = Path.Combine(downloadFolder, KPIItemCsv);
List<string> headerList = new List<string> { "parentName", "area_ha", "cropTypeCode", "cropTypeName", "KPIid", "KPIvariable", "KPIvalue", "KPIunit", "KPItargetvalue", "KPIthresholdValue" };
//Create a new csv file. Means if existing then overwritten !!!
sw = new StreamWriter(KPIItemPathCsv);
sw.WriteLine($"FarmmapsKPI backend calculations on input file '{fnKPIinput}' downloaded on {DateTime.Now} with the FarmmapsKPI application in the FarmmapsApSamples.sln");
sw.WriteLine();
sw.WriteLine(string.Join(",", headerList));
// For each input download all KPI's. Keep track to time, important when doing bulk calculations
var watch = System.Diagnostics.Stopwatch.StartNew();
TimeSpan tsSofar = new TimeSpan();
TimeSpan tsRemaining;
TimeSpan tsTotalEstimated;
for (int i = 0; i < fieldsInputs.Count; i++)
{
watch.Restart();
input = fieldsInputs[i];
_logger.LogInformation(string.Format($"// FarmmapsKPI: Downloading KPI's for field {i + 1} out of {fieldsInputs.Count} to single csv file {KPIItemPathCsv}"));
try
{
await Process(roots, input, sw);
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
watch.Stop();
tsSofar = tsSofar + watch.Elapsed;
tsTotalEstimated = tsSofar / (i + 1) * fieldsInputs.Count;
tsRemaining = tsTotalEstimated - tsSofar;
_logger.LogInformation(string.Format($"// Time (hh:mm:ss): this field: {strTime(watch.Elapsed)}. Sofar: {strTime(tsSofar)}. Estimated total: {strTime(tsTotalEstimated)}. Remaining: {strTime(tsRemaining)}"));
}
//Close the csv file, write message to screen
sw.Close();
_logger.LogInformation(string.Format($"// FarmmapsKPI:"));
_logger.LogInformation($"Done! Written all KPI for all fields in '{fnKPIinput}' to output file '{KPIItemPathCsv}'");
}
private async Task Process(List<UserRoot> roots, KPIInput input, StreamWriter sw)
{
KPIOutput kpio;
KPIOutput kpioPrevious = new KPIOutput(); //creates a new empty
string downloadFolder = input.DownloadFolder;
if (string.IsNullOrEmpty(downloadFolder)) {
downloadFolder = "Downloads";
}
if (!Directory.Exists(downloadFolder))
Directory.CreateDirectory(downloadFolder);
// !!specify if you are using an already created cropfield:
bool useExistingCropfieldWithChildren = input.UseExistingCropfieldWithChildren;
int cropYear = input.CropYear;
string fieldName = input.fieldName;
string fieldGeom = input.GeometryJson.ToString(Formatting.None);
//Settings
string settingsfile = $"Settings_{fieldName}.json";
LoadSettings(settingsfile);
var uploadedRoot = roots.SingleOrDefault(r => r.Name == "USER_IN");
if (uploadedRoot == null)
{
_logger.LogError("Could not find a needed root item");
return;
}
var myDriveRoot = roots.SingleOrDefault(r => r.Name == "USER_FILES");
if (myDriveRoot == null)
{
_logger.LogError("Could not find a needed root item");
return;
}
// Use already created cropfield or create new one, added a Data input, with field specific data for the KPI calculation
Item cropfieldItem;
//1 useExistingCropfieldWithChildren = false -> create new
//2 useExistingCropfieldWithChildren = true && input.CropfieldItemCode = "" or absent -> read from settings json
//3 useExistingCropfieldWithChildren = true && input.CropfieldItemCode like "deb48a74c5b54299bb852f17288010e9" in KPIinput -> use this one
if (useExistingCropfieldWithChildren == false)
{
_logger.LogInformation($"Creating cropfield with name '{fieldName}'");
cropfieldItem = await _generalService.CreateCropfieldItemAsync(myDriveRoot.Code,
$"{fieldName}", cropYear, input.GeometryJson.ToString(Formatting.None), input.DataCropfield.ToString(Formatting.None), input.StartDate, input.EndDate);
_settings.CropfieldItemCode = cropfieldItem.Code;
SaveSettings(settingsfile);
}
else if (string.IsNullOrEmpty(input.CropfieldItemCode))
{
_logger.LogInformation("reading CropfieldItemCode from settings file");
cropfieldItem = await _farmmapsApiService.GetItemAsync(_settings.CropfieldItemCode);
}
else
{
_logger.LogInformation("reading CropfieldItemCode from KPIinput json");
cropfieldItem = await _farmmapsApiService.GetItemAsync(input.CropfieldItemCode);
SaveSettings(settingsfile);
}
// The cropfieldCharacteristicItem is used to enter crop yields
Item cropfieldCharacteristicItem;
//1 useExistingCropfieldWithChildren = false -> create new
//2 useExistingCropfieldWithChildren = true && input.CropfieldCharacteristicItemCode = "" or absent -> read from settings json
//3 useExistingCropfieldWithChildren = true && input.CropfieldCharacteristicItemCode like "deb48a74c5b54299bb852f17288010e9" in KPIinput -> use this one
if (useExistingCropfieldWithChildren == false)
{
_logger.LogInformation("CreateCropfieldCharacteristicItemAsync ...");
cropfieldCharacteristicItem = await _generalService.CreateCropfieldCharacteristicItemAsync(cropfieldItem.Code, cropYear, fieldGeom, input.DataCropfieldCharacteristic.ToString(Formatting.None));
_settings.CropfieldCharacteristicItemCode = cropfieldCharacteristicItem.Code;
SaveSettings(settingsfile);
}
else if (string.IsNullOrEmpty(input.CropfieldItemCode))
{
_logger.LogInformation("reading OperationItemCode from settings file");
cropfieldCharacteristicItem = await _farmmapsApiService.GetItemAsync(_settings.CropfieldCharacteristicItemCode);
}
else
{
_logger.LogInformation("reading CropfieldCharacteristicItemCode from KPIinput json");
cropfieldCharacteristicItem = await _farmmapsApiService.GetItemAsync(input.CropfieldCharacteristicItemCode);
SaveSettings(settingsfile);
}
// Now we can do a first KPI calculation and get the polygon area from the KPI output (where it is based on geometry)
// We need that because for operations, you need to provide the area on which the operation was applied
// And if we put that to the crop area, then we neatly get everything on a per ha basis
_logger.LogInformation($"Getting polygon area (ha))");
List<Item> KPIItems = await _generalService.GetKpiItemsForCropField(cropfieldItem);
_logger.LogInformation($"Found {KPIItems.Count} KPI items");
kpio = JsonConvert.DeserializeObject<KPIOutput>(KPIItems[0].Data.ToString());
string area_ha = kpio.data.area;
// turn the area into a JObject for later merging with operation data;
string strJarea = JsonConvert.SerializeObject(new { area = area_ha });
JObject Jarea = JObject.Parse(strJarea);
// A cropfield has 1 crop recording and the crop recording has 0:many operations
//So first at the crop recording
Item crprecItem;
//1 useExistingCropfieldWithChildren = false -> create new
//2 useExistingCropfieldWithChildren = true && input.CropRecordingItemCode = "" or absent -> read from settings json
//3 useExistingCropfieldWithChildren = true && input.CropRecordingItemCode like "deb48a74c5b54299bb852f17288010e9" in KPIinput -> use this one
if (useExistingCropfieldWithChildren == false)
{
_logger.LogInformation("RunCropRecordingTask ...");
crprecItem = await _generalService.RunCropRecordingTask(cropfieldItem);
_settings.CropRecordingItemCode = crprecItem.Code;
SaveSettings(settingsfile);
}
else if (string.IsNullOrEmpty(input.CropfieldItemCode))
{
_logger.LogInformation("reading CropRecordingItemCode from settings file");
crprecItem = await _farmmapsApiService.GetItemAsync(_settings.CropRecordingItemCode);
}
else
{
_logger.LogInformation("reading CropRecordingItemCode from KPIinput json");
crprecItem = await _farmmapsApiService.GetItemAsync(input.CropRecordingItemCode);
SaveSettings(settingsfile);
}
// Now add the operations
List<Item> crpOperationItems = new List<Item> { };
List<string> crpOperationItemCodes = new List<string> { };
Item crpOperationItem;
string dataOperation;
string codeOperation;
//1 useExistingCropfieldWithChildren = false -> create new
//2 useExistingCropfieldWithChildren = true && input.OperationItemCode = "" or absent -> read from settings json
//3 useExistingCropfieldWithChildren = true && input.OperationItemCode like "deb48a74c5b54299bb852f17288010e9" in KPIinput -> use this one
if (useExistingCropfieldWithChildren == false)
{
for (int i = 0; i < input.DataOperations.Length; i++)
{
dataOperation = input.DataOperations[i].ToString(Formatting.None);
dynamic data = JObject.Parse(dataOperation);
_logger.LogInformation($"CreateOperationItemAsync ... for operation {i}: '{data.name}', on date '{data.from}'");
// Now check if the operation has a field called area
string? opArea = data["area"];
if (string.IsNullOrEmpty(opArea))
{
// if not having field area: add it to dataOperation ...
input.DataOperations[i].Merge(Jarea);
// ... and update the string
dataOperation = input.DataOperations[i].ToString(Formatting.None);
}
else
{
// if yes having field area: compare with polygon area. If not the same, throw warning
if (data.area != area_ha)
{
double differencePercent = 100.0*(Convert.ToDouble(area_ha) / Convert.ToDouble(data.area) - 1.0);
_logger.LogWarning($"cropfield has area {area_ha}, but operation has area {data.area}" +
$" Difference is {area_ha} / {data.area} - 100% = {differencePercent}%." +
$" Is that correct? Example if operation was applied in part of field, e.g. in case of variable rate (VRA) application." +
$" Or did you accidentally fill in area in the KPIinput json? To use cropfield area, omit field 'area' from json" +
$" then the KPI applicataion will fill in area calculated from geometry");
}
}
//Now after optionally adding the area, add the Operation to the crop recording
crpOperationItem = await _generalService.CreateOperationItemAsync(crprecItem.Code, cropYear, fieldGeom, dataOperation);
crpOperationItems.Add(crpOperationItem);
crpOperationItemCodes.Add(crpOperationItem.Code);
}
_settings.OperationItemCodes = crpOperationItemCodes.ToArray();
SaveSettings(settingsfile);
}
else if (string.IsNullOrEmpty(input.CropfieldItemCode))
{
_logger.LogInformation("reading OperationItemCode from settings file");
for (int i = 0; i < _settings.OperationItemCodes.Length; i++)
{
codeOperation = _settings.OperationItemCodes[i];
crpOperationItem = await _farmmapsApiService.GetItemAsync(codeOperation);
crpOperationItems.Add(crpOperationItem);
crpOperationItemCodes.Add(crpOperationItem.Code);
}
}
else
{
_logger.LogInformation("reading OperationItemCodes from KPIinput json");
for (int i = 0; i < input.OperationItemCodes.Length; i++)
{
codeOperation = input.OperationItemCodes[i];
crpOperationItem = await _farmmapsApiService.GetItemAsync(codeOperation);
crpOperationItems.Add(crpOperationItem);
crpOperationItemCodes.Add(crpOperationItem.Code);
}
_settings.OperationItemCodes = crpOperationItemCodes.ToArray();
SaveSettings(settingsfile);
}
// Inspect the children and grandchildren. If all is well, cropfield will have:
// one crprec, with 0-many operations as children. And the Data of an operation will have specification of how much fertilizer / cropprotection agent was applied
// one edicrop.characteristic (with yield in the data)
var cropfieldChildren = await _farmmapsApiService.GetItemChildrenAsync(cropfieldItem.Code);
var crprecChildren = await _farmmapsApiService.GetItemChildrenAsync(crprecItem.Code);
//Now get the KPIs for this cropfield, mounted with operations & cropyield
// Get KPI data for saving it in a file, here the generalsedrvice is called to get the KPI data
_logger.LogInformation($"GetKpiItemsForCropField('{cropfieldItem.Code}')");
KPIItems = await _generalService.GetKpiItemsForCropField(cropfieldItem);
_logger.LogInformation($"Found {KPIItems.Count} KPI items");
//Download KPI's into a json output file for this specific cropfield (with unique cropfieldItem.Code)
string KPIItemPathJson = Path.Combine(downloadFolder, $"KPIItems_{cropfieldItem.Code}.json");
var count = 0;
foreach (Item item in KPIItems)
{
//Console.WriteLine($"KPI item #{count}: {item.Name}");
File.AppendAllText(KPIItemPathJson, item.Data + Environment.NewLine);
count++;
}
_logger.LogInformation($"Downloaded file {KPIItemPathJson}");
//Write to the csv file that collects all KPI's for all the crop fields
List<string> dataList;
foreach (Item item in KPIItems)
{
dataList = new List<string> { };
kpio = JsonConvert.DeserializeObject<KPIOutput>(item.Data.ToString());
//Seems sometimes duplicate KPI items are returned. So check that here and only write if this kpio is different from previous
if (kpio.id != null)
{
if (kpio.id != kpioPrevious.id)
{
dataList.Add(kpio.parentName);
dataList.Add(kpio.data.area);
dataList.Add(kpio.data.cropTypeCode);
dataList.Add(kpio.data.cropTypeName);
dataList.Add(kpio.id);
dataList.Add(kpio.quantity);
dataList.Add(kpio.value);
dataList.Add(kpio.unit);
dataList.Add(kpio.targetValue);
dataList.Add(kpio.thresholdValue);
sw.WriteLine(string.Join(",", dataList));
}
}
kpioPrevious = kpio;
}
//Total N applied
double totalNapplied = 0.0;
double operationNapplied;
for (int i = 0; i < crpOperationItemCodes.Count; i++)
{
codeOperation = crpOperationItemCodes[i];
crpOperationItem = await _farmmapsApiService.GetItemAsync(codeOperation);
dynamic data = JObject.Parse(crpOperationItem.Data.ToString(Formatting.None));
if (data.n != null)
{
operationNapplied = crpOperationItem.Data.GetValue("n").ToObject<double>();
totalNapplied = totalNapplied + operationNapplied;
}
}
//Also add totalNapplied to the csv
dataList = new List<string> { };
//Seems sometimes duplicate KPI items are returned. So check that here and only write if this kpio is different from previous
dataList.Add(kpioPrevious.parentName);
try { dataList.Add(kpioPrevious.data.area); } catch { dataList.Add(""); };
try { dataList.Add(kpioPrevious.data.cropTypeCode); } catch { dataList.Add(""); };
try { dataList.Add(kpioPrevious.data.cropTypeName); } catch { dataList.Add(""); };
dataList.Add("");
dataList.Add("totalNapplied");
dataList.Add(totalNapplied.ToString());
dataList.Add("kg/ha");
dataList.Add("");
dataList.Add("");
sw.WriteLine(string.Join(",", dataList));
//Clean up. Only newly created fields
//Look up instruction in Swagger / api / v1 / items /{ code}
if (useExistingCropfieldWithChildren == false && input.DeleteNewlyCreatedAfterCalc == true)
{
// Tested and found that if I delete the parent (cropfieldItem) then
// automatically deletes children (crprecItem, cropfieldCharacteristicItem, KPIcontainer)
// and automatically deletes grand children (crprecItem: operations, KPIcontainer: KPI items)
await _farmmapsApiService.DeleteItemAsync(cropfieldItem.Code);
//Do we need to wait here for the task to be completed? Or does it continue in the background?
//await Task.Delay(60000); // wait 60 secs for task to be completed
//Before the GetItem you will see cropfieldItem, crprecItem etc exist (with data).
//After the GetItem these cropfieldItem, crprecItem etc are null which means they have been succesfully deleted.
//// Check if below works, i.e. is item really deleted?
//cropfieldItem = await _farmmapsApiService.GetItemAsync(cropfieldItem.Code);
//// Check if croprecording has also been deleted. If not also delete it
//crprecItem = await _farmmapsApiService.GetItemAsync(crprecItem.Code);
//// Check if 1 operation has also been deleted. If not also delete it
//crpOperationItem = await _farmmapsApiService.GetItemAsync(crpOperationItemCodes[0]);
//// Check if 1 cropfieldCharacteristicItem has also been deleted. If not also delete it
//cropfieldCharacteristicItem = await _farmmapsApiService.GetItemAsync(cropfieldCharacteristicItem.Code);
}
}
// Functions to save previously created cropfields
private void LoadSettings(string file)
{
if (File.Exists(file))
{
var jsonText = File.ReadAllText(file);
_settings = JsonConvert.DeserializeObject<Settings>(jsonText);
}
else
{
_settings = new Settings();
}
}
private void SaveSettings(string file)
{
if (_settings == null)
return;
var json = JsonConvert.SerializeObject(_settings);
File.WriteAllText(file, json);
}
private void SaveInfo(string file)
{
if (_settings == null)
return;
var json = JsonConvert.SerializeObject(_settings);
File.WriteAllText(file, json);
}
private string strTime(TimeSpan ts)
{
return String.Format("{0:00}:{1:00}:{2:00}", ts.Hours, ts.Minutes, ts.Seconds);
}
}
}