Save AddOrEdit Jobs to group

CompanyManagment.EFCore/Repository/ClassificationGroupRepository.cs

@@ -224,5 +224,73 @@ public class ClassificationGroupRepository : RepositoryBase<long, Classification
         return await _context.ClassificationEmployees.AnyAsync(x =>
             x.ClassificationGroupJobId == id && x.ClassificationGroupId == groupId);
     }
+
+
+    public async Task<bool> SaveJobsToGroup(AddOrEditJobInGroupDto command)
+    {
+        var newJoblist = new List<ClassificationGroupJob>();
+        var alreadyExitjobs = new List<ClassificationGroupJob>();
+        var alreadyAdded = await _context.ClassificationGroups.Where(x => x.id == command.GroupId)
+            .Include(x => x.ClassificationGroupJobs).FirstOrDefaultAsync();
+        if (command.AddJobListDto.Count > 0)
+        {
+            var addedJobsIds = command.AddJobListDto.Where(x => x.JobId > 0).Select(x => x.JobId).ToList();
+            var getJobs = _context.Jobs.Where(x => addedJobsIds.Contains(x.id));
+
+            foreach (var item in getJobs)
+            {
+
+                var newJob = new ClassificationGroupJob(item.id, item.JobName, item.JobCode, command.GroupId,
+                    $"{command.GroupNoInt}");
+
+                if (alreadyAdded.ClassificationGroupJobs.Any(x => x.JobId == item.id))
+                {
+                    alreadyExitjobs.Add(newJob);
+                }
+                else
+                {
+                    newJoblist.Add(newJob);
+                }
+               
+            }
+        }
+      
+       
+        if (alreadyAdded.ClassificationGroupJobs.Count == 0)
+        {
+       
+            if (command.AddJobListDto.Count > 0)
+            {
+
+                await _context.ClassificationGroupJobs.AddRangeAsync(newJoblist);
+                await _context.SaveChangesAsync();
+            }
+        }
+        else
+        {
+
+      
+            
+            var alreadyExitJobsIds = alreadyExitjobs.Select(x => x.JobId).ToList();
+           
+                var toBeRemove = alreadyAdded.ClassificationGroupJobs.Where(x => !alreadyExitJobsIds.Contains(x.JobId))
+                    .ToList();
+                if (toBeRemove.Count > 0)
+                {
+                    _context.ClassificationGroupJobs.RemoveRange(toBeRemove);
+                    await _context.SaveChangesAsync();
+                }
+           
+
+            if (newJoblist.Count > 0)
+            {
+                await _context.ClassificationGroupJobs.AddRangeAsync(newJoblist);
+                await _context.SaveChangesAsync();
+            }
+
+        }
+
+        return true;
+    }
     #endregion
 }