...

1 files changed, 0 insertions, 193 deletions

diff --git a/BackEnd/Timeline/Services/HighlightTimelineService.cs b/BackEnd/Timeline/Services/HighlightTimelineService.cs
deleted file mode 100644
index 557478c7..00000000
--- a/BackEnd/Timeline/Services/HighlightTimelineService.cs
+++ /dev/null
@@ -1,193 +0,0 @@
-using Microsoft.EntityFrameworkCore;

-using System;

-using System.Collections.Generic;

-using System.Linq;

-using System.Threading.Tasks;

-using Timeline.Entities;

-using Timeline.Services.Exceptions;

-

-namespace Timeline.Services

-{

-

-    [Serializable]

-    public class InvalidHighlightTimelineException : Exception

-    {

-        public InvalidHighlightTimelineException() { }

-        public InvalidHighlightTimelineException(string message) : base(message) { }

-        public InvalidHighlightTimelineException(string message, Exception inner) : base(message, inner) { }

-        protected InvalidHighlightTimelineException(

-          System.Runtime.Serialization.SerializationInfo info,

-          System.Runtime.Serialization.StreamingContext context) : base(info, context) { }

-    }

-

-    /// <summary>

-    /// Service that controls highlight timeline.

-    /// </summary>

-    public interface IHighlightTimelineService

-    {

-        /// <summary>

-        /// Get all highlight timelines in order.

-        /// </summary>

-        /// <returns>Id list of all highlight timelines.</returns>

-        Task<List<long>> GetHighlightTimelines();

-

-        /// <summary>

-        /// Check if a timeline is highlight timeline.

-        /// </summary>

-        /// <param name="timelineId">Timeline id.</param>

-        /// <param name="checkTimelineExistence">If true it will throw if timeline does not exist.</param>

-        /// <returns>True if timeline is highlight. Otherwise false.</returns>

-        /// <exception cref="TimelineNotExistException">Thrown when timeline does not exist and <paramref name="checkTimelineExistence"/> is true.</exception>

-        Task<bool> IsHighlightTimeline(long timelineId, bool checkTimelineExistence = true);

-

-        /// <summary>

-        /// Add a timeline to highlight list.

-        /// </summary>

-        /// <param name="timelineId">The timeline id.</param>

-        /// <param name="operatorId">The user id of operator.</param>

-        /// <returns>True if timeline is actually added to highligh. False if it already is.</returns>

-        /// <exception cref="TimelineNotExistException">Thrown when timeline with given id does not exist.</exception>

-        /// <exception cref="UserNotExistException">Thrown when user with given operator id does not exist.</exception>

-        Task<bool> AddHighlightTimeline(long timelineId, long? operatorId);

-

-        /// <summary>

-        /// Remove a timeline from highlight list.

-        /// </summary>

-        /// <param name="timelineId">The timeline id.</param>

-        /// <param name="operatorId">The user id of operator.</param>

-        /// <returns>True if deletion is actually performed. Otherwise false (timeline was not in the list).</returns>

-        /// <exception cref="TimelineNotExistException">Thrown when timeline with given id does not exist.</exception>

-        /// <exception cref="UserNotExistException">Thrown when user with given operator id does not exist.</exception>

-        Task<bool> RemoveHighlightTimeline(long timelineId, long? operatorId);

-

-        /// <summary>

-        /// Move a highlight timeline to a new position.

-        /// </summary>

-        /// <param name="timelineId">The timeline name.</param>

-        /// <param name="newPosition">The new position. Starts at 1.</param>

-        /// <exception cref="TimelineNotExistException">Thrown when timeline with given id does not exist.</exception>

-        /// <exception cref="InvalidHighlightTimelineException">Thrown when given timeline is not a highlight timeline.</exception>

-        /// <remarks>

-        /// If <paramref name="newPosition"/> is smaller than 1. Then move the timeline to head.

-        /// If <paramref name="newPosition"/> is bigger than total count. Then move the timeline to tail.

-        /// </remarks>

-        Task MoveHighlightTimeline(long timelineId, long newPosition);

-    }

-

-    public class HighlightTimelineService : IHighlightTimelineService

-    {

-        private readonly DatabaseContext _database;

-        private readonly IBasicUserService _userService;

-        private readonly IBasicTimelineService _timelineService;

-        private readonly IClock _clock;

-

-        public HighlightTimelineService(DatabaseContext database, IBasicUserService userService, IBasicTimelineService timelineService, IClock clock)

-        {

-            _database = database;

-            _userService = userService;

-            _timelineService = timelineService;

-            _clock = clock;

-        }

-

-        public async Task<bool> AddHighlightTimeline(long timelineId, long? operatorId)

-        {

-            if (!await _timelineService.CheckExistence(timelineId))

-                throw new TimelineNotExistException(timelineId);

-

-            if (operatorId.HasValue && !await _userService.CheckUserExistence(operatorId.Value))

-            {

-                throw new UserNotExistException(null, operatorId.Value, "User with given operator id does not exist.", null);

-            }

-

-            var alreadyIs = await _database.HighlightTimelines.AnyAsync(t => t.TimelineId == timelineId);

-

-            if (alreadyIs) return false;

-

-            _database.HighlightTimelines.Add(new HighlightTimelineEntity { TimelineId = timelineId, OperatorId = operatorId, AddTime = _clock.GetCurrentTime(), Order = await _database.HighlightTimelines.CountAsync() + 1 });

-            await _database.SaveChangesAsync();

-            return true;

-        }

-

-        public async Task<List<long>> GetHighlightTimelines()

-        {

-            var entities = await _database.HighlightTimelines.OrderBy(t => t.Order).Select(t => new { t.TimelineId }).ToListAsync();

-

-            return entities.Select(e => e.TimelineId).ToList();

-        }

-

-        public async Task<bool> RemoveHighlightTimeline(long timelineId, long? operatorId)

-        {

-            if (!await _timelineService.CheckExistence(timelineId))

-                throw new TimelineNotExistException(timelineId);

-

-            if (operatorId.HasValue && !await _userService.CheckUserExistence(operatorId.Value))

-            {

-                throw new UserNotExistException(null, operatorId.Value, "User with given operator id does not exist.", null);

-            }

-

-            var entity = await _database.HighlightTimelines.SingleOrDefaultAsync(t => t.TimelineId == timelineId);

-

-            if (entity == null) return false;

-

-            await using var transaction = await _database.Database.BeginTransactionAsync();

-

-            var order = entity.Order;

-

-            _database.HighlightTimelines.Remove(entity);

-            await _database.SaveChangesAsync();

-

-            await _database.Database.ExecuteSqlRawAsync("UPDATE highlight_timelines SET `order` = `order` - 1 WHERE `order` > {0}", order);

-

-            await transaction.CommitAsync();

-

-            return true;

-        }

-

-        public async Task MoveHighlightTimeline(long timelineId, long newPosition)

-        {

-            if (!await _timelineService.CheckExistence(timelineId))

-                throw new TimelineNotExistException(timelineId);

-

-            var entity = await _database.HighlightTimelines.SingleOrDefaultAsync(t => t.TimelineId == timelineId);

-

-            if (entity == null) throw new InvalidHighlightTimelineException("You can't move a non-highlight timeline.");

-

-            var oldPosition = entity.Order;

-

-            if (newPosition < 1)

-            {

-                newPosition = 1;

-            }

-            else

-            {

-                var totalCount = await _database.HighlightTimelines.CountAsync();

-                if (newPosition > totalCount) newPosition = totalCount;

-            }

-

-            if (oldPosition == newPosition) return;

-

-            await using var transaction = await _database.Database.BeginTransactionAsync();

-

-            if (newPosition > oldPosition)

-            {

-                await _database.Database.ExecuteSqlRawAsync("UPDATE highlight_timelines SET `order` = `order` - 1 WHERE `order` BETWEEN {0} AND {1}", oldPosition + 1, newPosition);

-                await _database.Database.ExecuteSqlRawAsync("UPDATE highlight_timelines SET `order` = {0} WHERE id = {1}", newPosition, entity.Id);

-            }

-            else

-            {

-                await _database.Database.ExecuteSqlRawAsync("UPDATE highlight_timelines SET `order` = `order` + 1 WHERE `order` BETWEEN {0} AND {1}", newPosition, oldPosition - 1);

-                await _database.Database.ExecuteSqlRawAsync("UPDATE highlight_timelines SET `order` = {0} WHERE id = {1}", newPosition, entity.Id);

-            }

-

-            await transaction.CommitAsync();

-        }

-

-        public async Task<bool> IsHighlightTimeline(long timelineId, bool checkTimelineExistence = true)

-        {

-            if (checkTimelineExistence && !await _timelineService.CheckExistence(timelineId))

-                throw new TimelineNotExistException(timelineId);

-

-            return await _database.HighlightTimelines.AnyAsync(t => t.TimelineId == timelineId);

-        }

-    }

-}