little style fix

Author: semrosin

HwProj.CoursesService/HwProj.CoursesService.API/Controllers/CourseGroupsController.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Linq;
+using System.Linq;
 using System.Threading.Tasks;
 using AutoMapper;
 using HwProj.CoursesService.API.Filters;

HwProj.CoursesService/HwProj.CoursesService.API/Services/GroupsService.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Linq;
+using System.Linq;
 using System.Threading.Tasks;
 using AutoMapper;
 using HwProj.CoursesService.API.Models;
@@ -67,8 +66,7 @@ public async Task DeleteGroupAsync(long groupId)
 
         public async Task UpdateAsync(long groupId, Group updated)
         {
-            var group = (await _groupsRepository.GetGroupsWithGroupMatesAsync(new[] { groupId }))
-                .FirstOrDefault() ?? throw new InvalidOperationException($"Group with id {groupId} not found");
+            var group = (await _groupsRepository.GetGroupsWithGroupMatesAsync(new[] { groupId })).FirstOrDefault();
 
             foreach (var groupMate in group.GroupMates.ToList())
             {

HwProj.CoursesService/HwProj.CoursesService.API/Services/HomeworksService.cs

@@ -138,9 +138,7 @@ public async Task<Homework> UpdateHomeworkAsync(long homeworkId, CreateHomeworkV
             }
 
             if (options.SendNotification && update.PublicationDate <= DateTime.UtcNow)
-            {
                 _eventBus.Publish(new UpdateHomeworkEvent(update.Title, course.Id, course.Name, notificationStudentIds));
-            }
 
             await _homeworksRepository.UpdateAsync(homeworkId, hw => new Homework()
             {
@@ -151,7 +149,7 @@ public async Task<Homework> UpdateHomeworkAsync(long homeworkId, CreateHomeworkV
                 PublicationDate = update.PublicationDate,
                 IsDeadlineStrict = update.IsDeadlineStrict,
                 Tags = update.Tags,
-                GroupId = update.GroupId
+                GroupId = update.GroupId,
             });
 
             var updatedHomework = await _homeworksRepository.GetWithTasksAsync(homeworkId);
@@ -167,10 +165,9 @@ private async Task UpdateGroupFilters(long courseId, long homeworkId, List<Group
             if (globalFilter != null)
             {
                 var filter = globalFilter.Filter;
+
                 if (!filter.HomeworkIds.Contains(homeworkId))
-                {
                     filter.HomeworkIds.Add(homeworkId);
-                }
 
                 await _courseFilterRepository.UpdateAsync(globalFilter.Id, f =>
                     new CourseFilter
@@ -199,9 +196,7 @@ await _courseFilterRepository.UpdateAsync(globalFilter.Id, f =>
                 {
                     var filter = studentFilter.Filter;
                     if (!filter.HomeworkIds.Contains(homeworkId))
-                    {
                         filter.HomeworkIds.Add(homeworkId);
-                    }
 
                     await _courseFilterRepository.UpdateAsync(studentFilter.Id, f =>
                         new CourseFilter