125 lines
4.8 KiB
C#
125 lines
4.8 KiB
C#
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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using PARR.BLL.Contracts.Interfaces;
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using PARR.Common.Domain;
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using PARR.DAL.Contracts;
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using PARR.DAL.Models.TaskModels;
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using PARR.DAL.Services.Interfaces.TaskServices;
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using System.Text.Encodings.Web;
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using System.Text.Json;
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namespace PARR.DAL.TaskServices
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{
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internal class TaskManagementService : ITaskManagementService
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{
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private readonly ILogger<TaskManagementService> logger;
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private readonly ITaskTypeService taskTypeService;
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private readonly ITaskService taskService;
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public TaskManagementService(
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ILogger<TaskManagementService> logger,
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ITaskTypeService taskTypeService,
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ITaskService taskService
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)
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{
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this.logger = logger;
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this.taskTypeService = taskTypeService;
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this.taskService = taskService;
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}
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public async Task<Guid> CreateTaskAsync<T>(TaskTypeEnum typeCode, T payload, IHistoryInitiator initiator, IMqSettings mqSettings)
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{
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var taskType = await taskTypeService.Get().AsNoTracking().FirstOrDefaultAsync(t => t.Code == typeCode);
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if (taskType == null)
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{
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logger.LogError("Тип задачи {TypeCode} не найден в БД", typeCode);
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throw new InvalidOperationException($"Тип задачи typeCode не найден в БД");
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}
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// Проверка IsSingleton: если задача уже активна — возвращаем её
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if (taskType.IsSingleton)
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{
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var existingTask = await GetActiveSingletonTaskAsync(typeCode);
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if (existingTask != null)
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{
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logger.LogInformation(
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"Задача типа {TypeCode} уже активна (id: {ExistingId}). Возвращаем существующую.",
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typeCode, existingTask.Id);
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return existingTask.Id;
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}
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}
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var payloadStr = PayloadToString(payload);
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// Создаем новую запись задачи
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var task = new TaskItem
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{
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Id = Guid.NewGuid(),
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TypeCode = typeCode,
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StatusCode = TaskItemStatusEnum.Pending,
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Payload = payloadStr,
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RetryCount = 0,
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ProcessedAt = null,
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InitiatorIp = initiator.InitiatorIp,
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InitiatorParrComponentId = initiator.InitiatorParrComponentId,
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InitiatorComment = initiator.InitiatorComment
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};
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if (!await taskService.CreateAsync(task) || !await taskService.CommitAsync())
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{
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logger.LogError("Ошибка при сохранении задачи в БД");
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return default;
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}
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logger.LogInformation("Задача {TaskId} типа {TypeCode} сохранена в БД со статусом Pending", task.Id, typeCode);
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// Публикуме задачу в очередь. Если вдруг даже не получится,
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// задача останется в БД со статусом pending, и Reconciliation Task позже ее возмет в работу
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// todo: опубликовать в очередь
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// вопросы, зачем scoped? может можно AddTransient?
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// нужно придумать шаблонную модель для очереди
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return task.Id;
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}
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/// <summary>
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/// Получить активную singleton задачу указанного типа
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/// </summary>
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/// <param name="typeCode"></param>
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/// <returns></returns>
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private async Task<TaskItem?> GetActiveSingletonTaskAsync(TaskTypeEnum typeCode)
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{
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return await taskService.Get().AsNoTracking()
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.FirstOrDefaultAsync(t => t.TypeCode == typeCode && (
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t.StatusCode == TaskItemStatusEnum.Pending
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|| t.StatusCode == TaskItemStatusEnum.Processing
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));
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}
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/// <summary>
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/// Payload конвертировать в string
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="payload"></param>
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/// <returns></returns>
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private string PayloadToString<T>(T payload)
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{
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var jsonOptions = new JsonSerializerOptions
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{
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Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
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};
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return JsonSerializer.Serialize(payload, jsonOptions);
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}
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}
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}
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