diff options
| -rw-r--r-- | Timeline.Tests/Services/TimelineServiceTest.cs | 19 | ||||
| -rw-r--r-- | Timeline/Services/TimelineService.cs | 50 |
2 files changed, 69 insertions, 0 deletions
diff --git a/Timeline.Tests/Services/TimelineServiceTest.cs b/Timeline.Tests/Services/TimelineServiceTest.cs index 558ec597..3883cda9 100644 --- a/Timeline.Tests/Services/TimelineServiceTest.cs +++ b/Timeline.Tests/Services/TimelineServiceTest.cs @@ -298,5 +298,24 @@ namespace Timeline.Tests.Services timeline.Title.Should().Be("atitle");
}
}
+
+ [Fact]
+ public async Task ChangeName()
+ {
+ _clock.ForwardCurrentTime();
+
+ await _timelineService.CreateTimeline("tl", await _userService.GetUserIdByUsername("user"));
+
+ var time = _clock.ForwardCurrentTime();
+
+ await _timelineService.ChangeTimelineName("tl", "newtl");
+
+ {
+ var timeline = await _timelineService.GetTimeline("newtl");
+ timeline.Name.Should().Be("newtl");
+ timeline.LastModified.Should().Be(time);
+ timeline.NameLastModified.Should().Be(time);
+ }
+ }
}
}
diff --git a/Timeline/Services/TimelineService.cs b/Timeline/Services/TimelineService.cs index 2f0bf2c5..0a3a2076 100644 --- a/Timeline/Services/TimelineService.cs +++ b/Timeline/Services/TimelineService.cs @@ -5,6 +5,7 @@ using System; using System.Collections.Generic;
using System.Globalization;
using System.Linq;
+using System.Threading;
using System.Threading.Tasks;
using Timeline.Entities;
using Timeline.Helpers;
@@ -357,6 +358,21 @@ namespace Timeline.Services /// <exception cref="ArgumentException">Thrown when timeline name is invalid.</exception>
/// <exception cref="TimelineNotExistException">Thrown when the timeline does not exist.</exception>
Task DeleteTimeline(string timelineName);
+
+ /// <summary>
+ /// Change name of a timeline.
+ /// </summary>
+ /// <param name="oldTimelineName">The old timeline name.</param>
+ /// <param name="newTimelineName">The new timeline name.</param>
+ /// <returns>The new timeline info.</returns>
+ /// <exception cref="ArgumentNullException">Thrown when <paramref name="oldTimelineName"/> or <paramref name="newTimelineName"/> is null.</exception>
+ /// <exception cref="ArgumentException">Thrown when <paramref name="oldTimelineName"/> or <paramref name="newTimelineName"/> is of invalid format.</exception>
+ /// <exception cref="TimelineNotExistException">Thrown when timeline does not exist.</exception>
+ /// <exception cref="EntityAlreadyExistException">Thrown when a timeline with new name already exists.</exception>
+ /// <remarks>
+ /// You can only change name of general timeline.
+ /// </remarks>
+ Task<Models.Timeline> ChangeTimelineName(string oldTimelineName, string newTimelineName);
}
public class TimelineService : ITimelineService
@@ -1111,5 +1127,39 @@ namespace Timeline.Services _database.Timelines.Remove(entity);
await _database.SaveChangesAsync();
}
+
+ public async Task<Models.Timeline> ChangeTimelineName(string oldTimelineName, string newTimelineName)
+ {
+ if (oldTimelineName == null)
+ throw new ArgumentNullException(nameof(oldTimelineName));
+ if (newTimelineName == null)
+ throw new ArgumentNullException(nameof(newTimelineName));
+
+ ValidateTimelineName(oldTimelineName, nameof(oldTimelineName));
+ ValidateTimelineName(newTimelineName, nameof(newTimelineName));
+
+ var entity = await _database.Timelines.Where(t => t.Name == oldTimelineName).SingleOrDefaultAsync();
+
+ if (entity == null)
+ throw new TimelineNotExistException(oldTimelineName);
+
+ if (oldTimelineName == newTimelineName)
+ return await MapTimelineFromEntity(entity);
+
+ var conflict = await _database.Timelines.AnyAsync(t => t.Name == newTimelineName);
+
+ if (conflict)
+ throw new EntityAlreadyExistException(EntityNames.Timeline, null, ExceptionTimelineNameConflict);
+
+ var now = _clock.GetCurrentTime();
+
+ entity.Name = newTimelineName;
+ entity.NameLastModified = now;
+ entity.LastModified = now;
+
+ await _database.SaveChangesAsync();
+
+ return await MapTimelineFromEntity(entity);
+ }
}
}
|