parr_api/PARR.API/Controllers/V1/Statistics/StatHostController.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using PARR.API.Contracts.V1;
using PARR.API.Contracts.V1.Responses.Base;
using PARR.API.Contracts.V1.Responses.Statistics;
using PARR.API.Controllers.V1.Base;
using PARR.Constants;
using PARR.DAL.Services.Interfaces;

namespace PARR.API.Controllers.V1.Statistics
{
    /// <summary>
    /// Статистика по хостам
    /// </summary>
    [Authorize(Roles = ParrRoles.Administrator.Role)]
    public class StatHostController : BaseApiController
    {
        private readonly IHostService hostService;

        public StatHostController(IHostService hostService)
        {
            this.hostService = hostService;
        }

        /// <summary>
        /// Статистика синхронизации хостов с АИХИТ за последние сутки
        /// </summary>
        /// <returns></returns>
        [HttpGet(ApiRoutes.StatHost.Get)]
        public async Task<IActionResult> Get()
        {
            var queryDate = DateTimeOffset.UtcNow.AddDays(-1);

            var response = new StatHostResponse
            {
                AllHosts = await hostService.Get().CountAsync(),
                CreatedLastDay = await hostService.Get().CountAsync(t => t.DateCreated >= queryDate),
                UpdatedLastDay = await hostService.Get().CountAsync(t => t.DateModified.HasValue && t.DateModified.Value >= queryDate)
            };

            return Ok(new Response<StatHostResponse>(response, true));
        }


        /// <summary>
        /// Количество хостов в шаблонах
        /// </summary>
        /// <returns></returns>
        [HttpGet(ApiRoutes.StatHost.GetWithTemplates)]
        public async Task<IActionResult> GetWithTemplates()
        {
            //считаем именно хосты в шаблонах, т е один хост может быть в нескольких шаблонах

            var response = new StatHostTemplateResponse
            {
                AllHosts = await hostService.Get().CountAsync(),
                HostsInTemplates = await hostService.Get().Include(t => t.Templates).CountAsync(t =>t.Templates.Any())
            };

            return Ok(new Response<StatHostTemplateResponse>(response, true));
        }
    }
}