add WorkModeling lab6

Pizzeria/PizzeriaBusinessLogic/BusinessLogic/WorkModeling.cs

@@ -0,0 +1,134 @@
+using Microsoft.Extensions.Logging;
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.BusinessLogicsContracts;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Enums;
+
+namespace PizzeriaBusinessLogic.BusinessLogic
+{
+    public class WorkModeling : IWorkProcess
+    {
+        private readonly ILogger _logger;
+
+        private readonly Random _rnd;
+
+        private IOrderLogic? _orderLogic;
+
+        public WorkModeling(ILogger<WorkModeling> logger)
+        {
+            _logger = logger;
+            _rnd = new Random(1000);
+        }
+
+        public void DoWork(IImplementerLogic implementerLogic, IOrderLogic orderLogic)
+        {
+            _orderLogic = orderLogic;
+            var implementers = implementerLogic.ReadList(null);
+            if (implementers == null)
+            {
+                _logger.LogWarning("DoWork. Implementers is null");
+                return;
+            }
+            var orders = _orderLogic.ReadList(new OrderSearchModel { Status = OrderStatus.Принят });
+            if (orders == null || orders.Count == 0)
+            {
+                _logger.LogWarning("DoWork. Orders is null or empty");
+                return;
+            }
+            _logger.LogDebug("DoWork for {Count} orders", orders.Count);
+            foreach (var implementer in implementers)
+            {
+                Task.Run(() => WorkerWorkAsync(implementer, orders));
+            }
+        }
+
+        private async Task WorkerWorkAsync(ImplementerViewModel implementer, List<OrderViewModel> orders)
+        {
+            if (_orderLogic == null || implementer == null)
+            {
+                return;
+            }
+            await RunOrderInWork(implementer);
+
+            await Task.Run(() =>
+            {
+                foreach (var order in orders)
+                {
+                    try
+                    {
+                        _logger.LogDebug("DoWork. Worker {Id} try get order {Order}", implementer.Id, order.Id);
+                        // пытаемся назначить заказ на исполнителя
+                        _orderLogic.TakeOrderInWork(new OrderBindingModel
+                        {
+                            Id = order.Id,
+                            ImplementerId = implementer.Id
+                        });
+                        // делаем работу
+                        Thread.Sleep(implementer.WorkExperience * _rnd.Next(100, 1000) * order.Count);
+                        _logger.LogDebug("DoWork. Worker {Id} finish order {Order}", implementer.Id, order.Id);
+                        _orderLogic.FinishOrder(new OrderBindingModel
+                        {
+                            Id = order.Id
+                        });
+                    }
+                    // кто-то мог уже перехватить заказ, игнорируем ошибку
+                    catch (InvalidOperationException ex)
+                    {
+                        _logger.LogWarning(ex, "Error try get work");
+                    }
+                    // заканчиваем выполнение имитации в случае иной ошибки
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Error while do work");
+                        throw;
+                    }
+                    // отдыхаем
+                    Thread.Sleep(implementer.Qualification * _rnd.Next(10, 100));
+                }
+            });
+        }
+
+        private async Task RunOrderInWork(ImplementerViewModel implementer)
+        {
+            if (_orderLogic == null || implementer == null)
+            {
+                return;
+            }
+            try
+            {
+                var runOrder = await Task.Run(() => _orderLogic.ReadElement(new OrderSearchModel
+                {
+                    ImplementerId = implementer.Id,
+                    Status = OrderStatus.Выполняется
+                }));
+                if (runOrder == null)
+                {
+                    return;
+                }
+
+                _logger.LogDebug("DoWork. Worker {Id} back to order {Order}", implementer.Id, runOrder.Id);
+                // доделываем работу
+                Thread.Sleep(implementer.WorkExperience * _rnd.Next(100, 300) * runOrder.Count);
+                _logger.LogDebug("DoWork. Worker {Id} finish order {Order}", implementer.Id, runOrder.Id);
+                _orderLogic.FinishOrder(new OrderBindingModel
+                {
+                    Id = runOrder.Id
+                });
+                // отдыхаем
+                Thread.Sleep(implementer.Qualification * _rnd.Next(10, 100));
+            }
+            // заказа может не быть, просто игнорируем ошибку
+            catch (InvalidOperationException ex)
+            {
+                _logger.LogWarning(ex, "Error try get work");
+            }
+            // а может возникнуть иная ошибка, тогда просто заканчиваем выполнение имитации
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error while do work");
+                throw;
+            }
+        }
+    }
+}