feat(back): Timeline service add last modified.

1 files changed, 41 insertions, 14 deletions

diff --git a/Timeline/Services/TimelineService.cs b/Timeline/Services/TimelineService.cs
index ba5576d1..6c1e91c6 100644
--- a/Timeline/Services/TimelineService.cs
+++ b/Timeline/Services/TimelineService.cs
@@ -15,6 +15,23 @@ using static Timeline.Resources.Services.TimelineService;
 

 namespace Timeline.Services

 {

+    public static class TimelineHelper

+    {

+        public static string ExtractTimelineName(string name, out bool isPersonal)

+        {

+            if (name.StartsWith("@", StringComparison.OrdinalIgnoreCase))

+            {

+                isPersonal = true;

+                return name.Substring(1);

+            }

+            else

+            {

+                isPersonal = false;

+                return name;

+            }

+        }

+    }

+

     public enum TimelineUserRelationshipType

     {

         Own = 0b1,

@@ -383,19 +400,7 @@ namespace Timeline.Services
             };

         }

 

-        private static string ExtractTimelineName(string name, out bool isPersonal)

-        {

-            if (name.StartsWith("@", StringComparison.OrdinalIgnoreCase))

-            {

-                isPersonal = true;

-                return name.Substring(1);

-            }

-            else

-            {

-                isPersonal = false;

-                return name;

-            }

-        }

+

 

         // Get timeline id by name. If it is a personal timeline and it does not exist, it will be created.

         //

@@ -407,7 +412,7 @@ namespace Timeline.Services
         // It follows all timeline-related function common interface contracts.

         private async Task<long> FindTimelineId(string timelineName)

         {

-            timelineName = ExtractTimelineName(timelineName, out var isPersonal);

+            timelineName = TimelineHelper.ExtractTimelineName(timelineName, out var isPersonal);

 

             if (isPersonal)

             {

@@ -713,16 +718,26 @@ namespace Timeline.Services
 

             var timelineEntity = await _database.Timelines.Where(t => t.Id == timelineId).SingleAsync();

 

+            var changed = false;

+

             if (newProperties.Description != null)

             {

+                changed = true;

                 timelineEntity.Description = newProperties.Description;

             }

 

             if (newProperties.Visibility.HasValue)

             {

+                changed = true;

                 timelineEntity.Visibility = newProperties.Visibility.Value;

             }

 

+            if (changed)

+            {

+                var currentTime = _clock.GetCurrentTime();

+                timelineEntity.LastModified = currentTime;

+            }

+

             await _database.SaveChangesAsync();

         }

 

@@ -768,8 +783,17 @@ namespace Timeline.Services
                     simplifiedAdd.Remove(u);

                     simplifiedRemove.Remove(u);

                 }

+

+                if (simplifiedAdd.Count == 0)

+                    simplifiedAdd = null;

+

+                if (simplifiedRemove.Count == 0)

+                    simplifiedRemove = null;

             }

 

+            if (simplifiedAdd == null && simplifiedRemove == null)

+                return;

+

             var timelineId = await FindTimelineId(timelineName);

 

             async Task<List<long>?> CheckExistenceAndGetId(List<string>? list)

@@ -799,6 +823,9 @@ namespace Timeline.Services
                 _database.TimelineMembers.RemoveRange(membersToRemove);

             }

 

+            var timelineEntity = await _database.Timelines.Where(t => t.Id == timelineId).SingleAsync();

+            timelineEntity.LastModified = _clock.GetCurrentTime();

+

             await _database.SaveChangesAsync();

         }