Развитие системы растений

Assets/Code/Calendar/DataStructures/TaskService.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using Code.Infrastructure.EventBus;
+using Cysharp.Threading.Tasks;
+using Newtonsoft.Json;
+using UnityEngine;
+
+namespace Code.Calendar.DataStructures
+{
+    public interface ITaskService
+    {
+        void AddTask(Task task);
+        void DeleteTask(Task task);
+        List<Task> GetByPlant(Guid plantId);
+        List<Task> GetTasks();
+        List<Task> GetByDate(DateTime date);
+        void EditTask(Guid guid, Task newTask);
+    }
+
+    public class TaskService : IDisposable, ITaskService
+    {
+        private readonly EventBus _eventBus;
+
+        private List<Task> _tasks;
+
+        public TaskService(EventBus eventBus)
+        {
+            _eventBus = eventBus;
+
+            LoadJsonTasks().Forget();
+        }
+
+        private async UniTaskVoid LoadJsonTasks()
+        {
+            var path = Path.Combine(Application.persistentDataPath, "Tasks.json");
+
+            if (File.Exists(path))
+            {
+                using StreamReader reader = new(path);
+
+                _tasks = JsonConvert.DeserializeObject<List<Task>>(await reader.ReadToEndAsync()) ?? new List<Task>();
+            }
+            else
+            {
+                await using (File.Create(path)) { }
+            }
+
+            _eventBus.RaiseEvent<ITaskServiceHandle>(x => x.TasksLoaded());
+        }
+
+        private bool _inAction, _reUseRequest;
+
+        private async UniTaskVoid SaveJsonTasks()
+        {
+            if (_inAction)
+            {
+                _reUseRequest = true;
+                return;
+            }
+
+            _inAction = true;
+
+            var json = JsonConvert.SerializeObject(_tasks, Formatting.Indented);
+
+            await using StreamWriter writer = new(Path.Combine(Application.persistentDataPath, "Tasks.json"));
+
+            await writer.WriteAsync(json).AsUniTask();
+
+            _inAction = false;
+
+            if (!_reUseRequest) _eventBus.RaiseEvent<ITaskServiceHandle>(x => x.TasksSaved());
+            else SaveJsonTasks().Forget();
+        }
+
+        public void AddTask(Task task)
+        {
+            _tasks.Add(task);
+
+            task.Id = Guid.NewGuid();
+
+            SaveJsonTasks().Forget();
+        }
+
+        public void EditTask(Guid guid, Task newTask)
+        {
+            _tasks[_tasks.FindIndex(x => x.Id == guid)] = newTask;
+
+            SaveJsonTasks().Forget();
+        }
+
+        public void DeleteTask(Task task)
+        {
+            _tasks.Remove(task);
+            SaveJsonTasks().Forget();
+        }
+
+        public List<Task> GetByPlant(Guid plantId) => _tasks.Where(x => x.PlantId == plantId).ToList();
+
+        public List<Task> GetByDate(DateTime date)
+        {
+            var byDay = _tasks
+                .Where(x => x.Date.Day == date.Day)
+                .ToList();
+
+            var periodicOnes = _tasks
+                .Where(x => x.IsPeriodic && x.Date.Day + new TimeSpan(0, x.PeriodicInterval, 0).Days == date.Day)
+                .ToList();
+
+            byDay.AddRange(periodicOnes);
+
+            return byDay;
+        }
+
+        public List<Task> GetTasks() => _tasks;
+
+        public void Dispose()
+        {
+            SaveJsonTasks().Forget();
+        }
+    }
+
+    public interface ITaskServiceHandle : IGlobalSubscriber
+    {
+        void TasksLoaded();
+        void TasksSaved();
+    }
+}