refactor GetProjectsListQueryHandler to improve task and phase status aggregation logic

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/Projects/Queries/GetProjectsList/GetProjectsListQueryHandler.cs

@@ -228,28 +228,30 @@ public class GetProjectsListQueryHandler : IBaseQueryHandler<GetProjectsListQuer
         // For projects: gather all phases, then tasks, then sections
         var phases = await _context.ProjectPhases
             .Where(ph => projectIds.Contains(ph.ProjectId))
-            .Select(ph => ph.Id)
+            .Select(ph => new { ph.Id, ph.ProjectId })
             .ToListAsync(cancellationToken);
+        var phaseIds = phases.Select(ph => ph.Id).ToList();
         var tasks = await _context.ProjectTasks
-            .Where(t => phases.Contains(t.PhaseId))
-            .Select(t => t.Id)
+            .Where(t => phaseIds.Contains(t.PhaseId))
+            .Select(t => new { t.Id, t.PhaseId })
             .ToListAsync(cancellationToken);
+        var taskIds = tasks.Select(t => t.Id).ToList();
         var sections = await _context.TaskSections
             .Include(s => s.Skill)
-            .Where(s => tasks.Contains(s.TaskId))
+            .Where(s => taskIds.Contains(s.TaskId))
             .ToListAsync(cancellationToken);
 
+        // Convert to tuple list for AggregatePhaseStatuses
+        var tasksList = tasks.Select(t => (t.Id, t.PhaseId)).ToList();
+
         foreach (var item in items)
         {
-            var relatedPhases = phases; // used for filtering tasks by project
-            var relatedTasks = await _context.ProjectTasks
-                .Where(t => t.PhaseId != Guid.Empty && relatedPhases.Contains(t.PhaseId))
-                .Select(t => t.Id)
-                .ToListAsync(cancellationToken);
-            var itemSections = sections.Where(s => relatedTasks.Contains(s.TaskId));
-            item.Backend = GetAssignmentStatus(itemSections.FirstOrDefault(x => x.Skill?.Name == "Backend"));
-            item.Front = GetAssignmentStatus(itemSections.FirstOrDefault(x => x.Skill?.Name == "Frontend"));
-            item.Design = GetAssignmentStatus(itemSections.FirstOrDefault(x => x.Skill?.Name == "UI/UX Design"));
+            var projectPhaseIds = phases.Where(ph => ph.ProjectId == item.Id).Select(ph => ph.Id).ToList();
+            
+            // برای هر Skill، وضعیت‌های تمام Phases را تجمیع کنیم
+            item.Backend = AggregatePhaseStatuses(projectPhaseIds, tasksList, sections, "Backend");
+            item.Front = AggregatePhaseStatuses(projectPhaseIds, tasksList, sections, "Frontend");
+            item.Design = AggregatePhaseStatuses(projectPhaseIds, tasksList, sections, "UI/UX Design");
         }
     }
 
@@ -259,24 +261,22 @@ public class GetProjectsListQueryHandler : IBaseQueryHandler<GetProjectsListQuer
         // For phases: gather tasks, then sections
         var tasks = await _context.ProjectTasks
             .Where(t => phaseIds.Contains(t.PhaseId))
-            .Select(t => t.Id)
+            .Select(t => new { t.Id, t.PhaseId })
             .ToListAsync(cancellationToken);
+        var taskIds = tasks.Select(t => t.Id).ToList();
         var sections = await _context.TaskSections
             .Include(s => s.Skill)
-            .Where(s => tasks.Contains(s.TaskId))
+            .Where(s => taskIds.Contains(s.TaskId))
             .ToListAsync(cancellationToken);
 
         foreach (var item in items)
         {
-            // Filter tasks for this phase
-            var phaseTaskIds = await _context.ProjectTasks
-                .Where(t => t.PhaseId == item.Id)
-                .Select(t => t.Id)
-                .ToListAsync(cancellationToken);
+            var phaseTaskIds = tasks.Where(t => t.PhaseId == item.Id).Select(t => t.Id).ToList();
             var itemSections = sections.Where(s => phaseTaskIds.Contains(s.TaskId));
-            item.Backend = GetAssignmentStatus(itemSections.FirstOrDefault(x => x.Skill?.Name == "Backend"));
-            item.Front = GetAssignmentStatus(itemSections.FirstOrDefault(x => x.Skill?.Name == "Frontend"));
-            item.Design = GetAssignmentStatus(itemSections.FirstOrDefault(x => x.Skill?.Name == "UI/UX Design"));
+
+            item.Backend = AggregateAssignmentStatus(itemSections.Where(x => x.Skill?.Name == "Backend"));
+            item.Front = AggregateAssignmentStatus(itemSections.Where(x => x.Skill?.Name == "Frontend"));
+            item.Design = AggregateAssignmentStatus(itemSections.Where(x => x.Skill?.Name == "UI/UX Design"));
         }
     }
 
@@ -380,4 +380,57 @@ public class GetProjectsListQueryHandler : IBaseQueryHandler<GetProjectsListQuer
         // تعیین تکلیف نشده: نه user دارد نه time
         return AssignmentStatus.Unassigned;
     }
+
+    private static AssignmentStatus AggregatePhaseStatuses(
+        List<Guid> phaseIds,
+        List<(Guid Id, Guid PhaseId)> tasks,
+        List<TaskSection> sections,
+        string skillName)
+    {
+        var phaseStatuses = new List<AssignmentStatus>();
+        
+        foreach (var phaseId in phaseIds)
+        {
+            var phaseTaskIds = tasks.Where(t => t.PhaseId == phaseId).Select(t => t.Id).ToList();
+            var phaseSections = sections.Where(s => phaseTaskIds.Contains(s.TaskId) && s.Skill?.Name == skillName);
+            var phaseStatus = AggregateAssignmentStatus(phaseSections);
+            phaseStatuses.Add(phaseStatus);
         }
+
+        // الآن تجمیع وضعیت‌های Phases
+        if (!phaseStatuses.Any())
+            return AssignmentStatus.Unassigned;
+
+        // اگر هر یکی Unassigned باشد → Unassigned
+        if (phaseStatuses.Any(s => s == AssignmentStatus.Unassigned))
+            return AssignmentStatus.Unassigned;
+        
+        // اگر Unassigned نیست و هر یکی UserOnly باشد → UserOnly
+        if (phaseStatuses.Any(s => s == AssignmentStatus.UserOnly))
+            return AssignmentStatus.UserOnly;
+        
+        // فقط اگر همه Assigned باشند → Assigned
+        return AssignmentStatus.Assigned;
+    }
+
+    private static AssignmentStatus AggregateAssignmentStatus(IEnumerable<TaskSection> sections)
+    {
+        var sectionList = sections.ToList();
+        if (!sectionList.Any())
+            return AssignmentStatus.Unassigned;
+
+        var statuses = sectionList.Select(GetAssignmentStatus).ToList();
+        
+        // اگر هر یکی Unassigned باشد → Unassigned (بدترین وضعیت)
+        if (statuses.Any(s => s == AssignmentStatus.Unassigned))
+            return AssignmentStatus.Unassigned;
+        
+        // اگر Unassigned نیست و هر یکی UserOnly باشد → UserOnly (وضعیت متوسط)
+        if (statuses.Any(s => s == AssignmentStatus.UserOnly))
+            return AssignmentStatus.UserOnly;
+        
+        // فقط اگر همه Assigned باشند → Assigned (بهترین وضعیت)
+        return AssignmentStatus.Assigned;
+    }
+}
+