CS2-10: Добавлен поиск по имеющимся отчетам, которые удовлетворяют заданным параметрам

AsbCloudApp/Services/IReportService.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using AsbCloudApp.Data;
 
 namespace AsbCloudApp.Services
@@ -9,6 +10,7 @@ namespace AsbCloudApp.Services
         int CreateReport(int wellId, int stepSeconds, int format, DateTime begin, DateTime end, 
             Action<float, string, int > handleReportProgress);
         int GetReportPagesCount(int wellId, DateTime begin, DateTime end, int stepSeconds, int format);
+        IEnumerable<string> GetExistingReportNames(int wellId, DateTime begin, DateTime end, int stepSeconds, int format);
         DatesRangeDto GetReportsDatesRange(int wellId);
     }
 }

AsbCloudDb/Model/IAsbCloudDbContext.cs

@@ -19,6 +19,7 @@ namespace AsbCloudDb.Model
         DbSet<User> Users { get; set; }
         DbSet<Well> Wells { get; set; }
         DbSet<UserRole> UserRoles { get; set; }
+        DbSet<Report> Reports { get; set; }
 
         int SaveChanges();
         int SaveChanges(bool acceptAllChangesOnSuccess);

AsbCloudDb/Model/Report.cs

@@ -6,13 +6,13 @@ using System.ComponentModel.DataAnnotations.Schema;
 namespace AsbCloudDb.Model
 {
     [Table("t_report"), Comment("Отчеты с данными по буровым")]
-    public class Report : IId, IIdTelemetryDate
+    public class Report : IId
     {
         [Key]
         [Column("id")]
         public int Id { get; set; }
-        [Column("id_telemetry")]
-        public int IdTelemetry { get; set; }
+        [Column("name"), Comment("Название отчета (файла)")]
+        public string Name { get; set; }
         [Column("id_well"), Comment("id скважины")]
         public int WellId { get; set; }
         [Column("date", TypeName = "timestamp with time zone")]

AsbCloudInfrastructure/Services/ReportService.cs

@@ -2,6 +2,8 @@
 using AsbCloudApp.Data;
 using AsbCloudDb.Model;
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.IO;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
@@ -39,7 +41,22 @@ namespace AsbCloudInfrastructure.Services
                 {
                     var generator = GetReportGenerator(wellId, begin, end, stepSeconds, format, context);
                     generator.OnProgress += (s,e) => progressHandler.Invoke(e.progress, e.operation, id);
-                    generator.Make();
+                    var newReportName = generator.Make();
+                    if(newReportName is not null)
+                    {
+                        var newReportProperties = new Report
+                        {
+                            Name = newReportName,
+                            WellId = wellId,
+                            Date = DateTime.Now,
+                            Begin = begin,
+                            End = end,
+                            Step = stepSeconds,
+                            Format = format
+                        };
+                        context.Reports.Add(newReportProperties);
+                        db.SaveChanges();
+                    }
                 }
             });
             return newReportId;
@@ -52,6 +69,19 @@ namespace AsbCloudInfrastructure.Services
             return generator.GetPagesCount();
         }
 
+        public IEnumerable<string> GetExistingReportNames(int wellId, DateTime begin, DateTime end, int stepSeconds, int format)
+        {
+            var suitableReportsFromDb = GetSuitableReportNamesFromDb(wellId, begin, end, stepSeconds, format);
+
+            var reportsFolder = Path.Combine(RootPath, $"{wellId}");
+
+            var suitableReportNames = Directory.GetFiles(reportsFolder)
+                                             .Select(Path.GetFileName)
+                                             .Where(name => suitableReportsFromDb.Contains(name));
+
+            return suitableReportNames;
+        }
+
         public DatesRangeDto GetReportsDatesRange(int wellId)
         {
             var telemetry = telemetryService.GetTelemetryByWellId(wellId);
@@ -59,9 +89,25 @@ namespace AsbCloudInfrastructure.Services
             if (telemetry is null)
                 return null;
 
-            var (From, To) = db.GetDatesRange<Report>(telemetry.Id);
+            // Убран общий с другими сущностями интерфейс IIdTelemetryDate,
+            // т.к. у Report нет IdTelemetry. GetDatesRange() уже не работает для Report.
+            // Будет исправлено следом за этим коммитом
+            //var (From, To) = db.GetDatesRange<Report>(telemetry.Id);
 
-            return new DatesRangeDto { From = From, To = To };
+            return new DatesRangeDto { 
+                From = DateTime.MinValue, 
+                To = DateTime.MaxValue 
+            };
+        }
+
+        private IEnumerable<string> GetSuitableReportNamesFromDb(int wellId, DateTime begin, DateTime end, int stepSeconds, int format)
+        {
+            var suitableReportsNames = (from r in db.Reports
+                                        where r.WellId == wellId && r.Begin == begin
+                                        && r.End == end && r.Step == stepSeconds
+                                        && r.Format == format
+                                        select r.Name).ToList();
+            return suitableReportsNames;
         }
 
         private IReportGenerator GetReportGenerator(int wellId, DateTime begin, DateTime end, int stepSeconds, int format, AsbCloudDbContext context)

AsbCloudWebApi/Controllers/ReportController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using Microsoft.AspNetCore.Mvc;
 using AsbCloudApp.Data;
@@ -41,7 +42,7 @@ namespace AsbCloudWebApi.Controllers
         /// <returns>id фоновой задачи формирования отчета</returns>
         [HttpPost]
         [Route("{wellId}/report")]
-        [ProducesResponseType(typeof(string), (int)System.Net.HttpStatusCode.OK)]
+        [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
         public IActionResult CreateReport(int wellId, int stepSeconds, int format, 
             DateTime begin = default, DateTime end = default)
         {            
@@ -87,6 +88,26 @@ namespace AsbCloudWebApi.Controllers
             }
         }
 
+        /// <summary>
+        /// Возвращает имена отчетов, хранящихся на диске, 
+        /// которые подходят под указанные параметры
+        /// </summary>
+        /// <param name="wellId">id скважины</param>
+        /// <param name="stepSeconds">шаг интервала</param>
+        /// <param name="format">формат отчета (0-PDF, 1-LASS)</param>
+        /// <param name="begin">дата начала интервала</param>
+        /// <param name="end">дата окончания интервала</param>
+        /// <returns>Список имен существующих отчетов (отчетов)</returns>
+        [HttpGet]
+        [Route("{wellId}/suitableReports")]
+        [ProducesResponseType(typeof(IEnumerable<string>), (int)System.Net.HttpStatusCode.OK)]
+        public IActionResult GetSuitableReportsNames(int wellId, int stepSeconds, int format,
+            DateTime begin = default, DateTime end = default)
+        {
+            var suitableReportsNames = reportService.GetExistingReportNames(wellId, begin, end, stepSeconds, format);
+            return Ok(suitableReportsNames);
+        }
+
         /// <summary>
         /// Возвращает прогнозируемое количество страниц будущего отчета
         /// </summary>