feat(api, bll): StatHostController, StatApplicationController добавлена статистика за период. ICalendarService - публичный метод для получения списка дат, метод получения даты с учетом часового пояса.

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

@@ -2,9 +2,11 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using PARR.API.Contracts.V1;
+using PARR.API.Contracts.V1.Requests.BaseRequests;
 using PARR.API.Contracts.V1.Responses.Base;
 using PARR.API.Contracts.V1.Responses.Statistics;
 using PARR.API.Controllers.V1.Base;
+using PARR.BLL.Services.Interfaces;
 using PARR.Constants;
 using PARR.DAL.Services.Interfaces;
 
@@ -17,10 +19,12 @@ namespace PARR.API.Controllers.V1.Statistics
     public class StatHostController : BaseApiController
     {
         private readonly IHostService hostService;
+        private readonly ICalendarService calendarService;
 
-        public StatHostController(IHostService hostService)
+        public StatHostController(IHostService hostService, ICalendarService calendarService)
         {
             this.hostService = hostService;
+            this.calendarService = calendarService;
         }
 
         /// <summary>
@@ -43,6 +47,48 @@ namespace PARR.API.Controllers.V1.Statistics
         }
 
 
+        /// <summary>
+        /// Получить статистику за период
+        /// </summary>
+        /// <param name="timeZoneQuery"></param>
+        /// <param name="startPeriodDays"></param>
+        /// <returns></returns>
+        [HttpGet(ApiRoutes.StatHost.GetForPeriod)]
+        public async Task<IActionResult> GetForPeriod([FromQuery] TimeZoneOffsetClient timeZoneQuery, [FromQuery] int startPeriodDays = 3)
+        {
+            var endPeriod = calendarService.GetDateWithTimeZoneOffset(DateTimeOffset.UtcNow, timeZoneQuery.TimeZoneOffsetHours);
+            var startPeriod = endPeriod.AddDays(-startPeriodDays);
+
+            var query = hostService.Get()
+                .Where(t => t.DateCreated.DateTime.Date >= startPeriod.Date && t.DateCreated.DateTime.Date <= endPeriod.Date)
+                .GroupBy(t => t.DateCreated.Date)
+                .Select(t => new
+                {
+                    Date = t.Key,
+                    HostCount = t.Count()
+                });
+
+            var result = await query.ToListAsync();
+
+            var daysList = calendarService.GetDatesForPeriod(startPeriod, endPeriod);
+
+            var response = new List<StatHostPeriodResponse>();
+
+            daysList.ForEach(date =>
+            {
+                response.Add(new StatHostPeriodResponse
+                {
+                    Date = date,
+                    CreatedHostsCount = result.FirstOrDefault(t => DateOnly.FromDateTime(t.Date) == date)?.HostCount ?? 0
+                });
+            });
+
+            response = response.OrderBy(t => t.Date).ToList();
+
+            return Ok(new Response<List<StatHostPeriodResponse>>(response, true));
+        }
+
+
         /// <summary>
         /// Количество хостов в шаблонах
         /// </summary>
@@ -55,7 +101,7 @@ namespace PARR.API.Controllers.V1.Statistics
             var response = new StatHostTemplateResponse
             {
                 AllHosts = await hostService.Get().CountAsync(),
-                HostsInTemplates = await hostService.Get().Include(t => t.Templates).CountAsync(t =>t.Templates.Any())
+                HostsInTemplates = await hostService.Get().Include(t => t.Templates).CountAsync(t => t.Templates.Any())
             };
 
             return Ok(new Response<StatHostTemplateResponse>(response, true));