Merge pull request #61 from crupest/devv0.1.0-alpha

Add delete timeline feature.

1 files changed, 25 insertions, 0 deletions

diff --git a/Timeline/Services/TimelineService.cs b/Timeline/Services/TimelineService.cs
index 76acc7d7..f12a7fcc 100644
--- a/Timeline/Services/TimelineService.cs
+++ b/Timeline/Services/TimelineService.cs
@@ -269,6 +269,15 @@ namespace Timeline.Services
         /// <exception cref="ConflictException">Thrown when the timeline already exists.</exception>

         /// <exception cref="UserNotExistException">Thrown when the owner user does not exist.</exception>

         Task<TimelineInfo> CreateTimeline(string name, long owner);

+

+        /// <summary>

+        /// Delete a timeline.

+        /// </summary>

+        /// <param name="name">The name of the timeline.</param>

+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="name"/> is null.</exception>

+        /// <exception cref="ArgumentException">Thrown when timeline name is invalid.</exception>

+        /// <exception cref="TimelineNotExistException">Thrown when the timeline does not exist.</exception>

+        Task DeleteTimeline(string name);

     }

 

     public interface IPersonalTimelineService : IBaseTimelineService

@@ -733,6 +742,22 @@ namespace Timeline.Services
                 Members = new List<UserInfo>()

             };

         }

+

+        public async Task DeleteTimeline(string name)

+        {

+            if (name == null)

+                throw new ArgumentNullException(nameof(name));

+

+            ValidateTimelineName(name, nameof(name));

+

+            var entity = await Database.Timelines.Where(t => t.Name == name).SingleOrDefaultAsync();

+

+            if (entity == null)

+                throw new TimelineNotExistException(name);

+

+            Database.Timelines.Remove(entity);

+            await Database.SaveChangesAsync();

+        }

     }

 

     public class PersonalTimelineService : BaseTimelineService, IPersonalTimelineService