diff options
Diffstat (limited to 'Timeline')
| -rw-r--r-- | Timeline/Controllers/TimelineController.cs | 47 | ||||
| -rw-r--r-- | Timeline/Services/TimelineService.cs | 50 |
2 files changed, 93 insertions, 4 deletions
diff --git a/Timeline/Controllers/TimelineController.cs b/Timeline/Controllers/TimelineController.cs index 2330698f..72404ea3 100644 --- a/Timeline/Controllers/TimelineController.cs +++ b/Timeline/Controllers/TimelineController.cs @@ -94,11 +94,50 @@ namespace Timeline.Controllers }
[HttpGet("timelines/{name}")]
- public async Task<ActionResult<TimelineInfo>> TimelineGet([FromRoute][GeneralTimelineName] string name)
+ public async Task<ActionResult<TimelineInfo>> TimelineGet([FromRoute][GeneralTimelineName] string name, [FromQuery] string? checkUniqueId, [FromQuery(Name = "ifModifiedSince")] DateTime? queryIfModifiedSince, [FromHeader(Name = "If-Modified-Since")] DateTime? headerIfModifiedSince)
{
- var timeline = await _service.GetTimeline(name);
- var result = _mapper.Map<TimelineInfo>(timeline);
- return result;
+ DateTime? ifModifiedSince = null;
+ if (queryIfModifiedSince.HasValue)
+ {
+ ifModifiedSince = queryIfModifiedSince.Value;
+ }
+ else if (headerIfModifiedSince != null)
+ {
+ ifModifiedSince = headerIfModifiedSince.Value;
+ }
+
+ bool returnNotModified = false;
+
+ if (ifModifiedSince.HasValue)
+ {
+ var lastModified = await _service.GetTimelineLastModifiedTime(name);
+ if (lastModified < ifModifiedSince.Value)
+ {
+ if (checkUniqueId != null)
+ {
+ var uniqueId = await _service.GetTimelineUniqueId(name);
+ if (uniqueId == checkUniqueId)
+ {
+ returnNotModified = true;
+ }
+ }
+ else
+ {
+ returnNotModified = true;
+ }
+ }
+ }
+
+ if (returnNotModified)
+ {
+ return StatusCode(StatusCodes.Status304NotModified);
+ }
+ else
+ {
+ var timeline = await _service.GetTimeline(name);
+ var result = _mapper.Map<TimelineInfo>(timeline);
+ return result;
+ }
}
[HttpGet("timelines/{name}/posts")]
diff --git a/Timeline/Services/TimelineService.cs b/Timeline/Services/TimelineService.cs index a0d72ad3..eafb0088 100644 --- a/Timeline/Services/TimelineService.cs +++ b/Timeline/Services/TimelineService.cs @@ -67,6 +67,32 @@ namespace Timeline.Services public interface ITimelineService
{
/// <summary>
+ /// Get the timeline last modified time (not include name change).
+ /// </summary>
+ /// <param name="timelineName">The name of the timeline.</param>
+ /// <returns>The timeline info.</returns>
+ /// <exception cref="ArgumentNullException">Thrown when <paramref name="timelineName"/> is null.</exception>
+ /// <exception cref="ArgumentException">Throw when <paramref name="timelineName"/> is of bad format.</exception>
+ /// <exception cref="TimelineNotExistException">
+ /// Thrown when timeline with name <paramref name="timelineName"/> does not exist.
+ /// If it is a personal timeline, then inner exception is <see cref="UserNotExistException"/>.
+ /// </exception>
+ Task<DateTime> GetTimelineLastModifiedTime(string timelineName);
+
+ /// <summary>
+ /// Get the timeline unique id.
+ /// </summary>
+ /// <param name="timelineName">The name of the timeline.</param>
+ /// <returns>The timeline info.</returns>
+ /// <exception cref="ArgumentNullException">Thrown when <paramref name="timelineName"/> is null.</exception>
+ /// <exception cref="ArgumentException">Throw when <paramref name="timelineName"/> is of bad format.</exception>
+ /// <exception cref="TimelineNotExistException">
+ /// Thrown when timeline with name <paramref name="timelineName"/> does not exist.
+ /// If it is a personal timeline, then inner exception is <see cref="UserNotExistException"/>.
+ /// </exception>
+ Task<string> GetTimelineUniqueId(string timelineName);
+
+ /// <summary>
/// Get the timeline info.
/// </summary>
/// <param name="timelineName">The name of the timeline.</param>
@@ -497,6 +523,30 @@ namespace Timeline.Services }
}
+ public async Task<DateTime> GetTimelineLastModifiedTime(string timelineName)
+ {
+ if (timelineName == null)
+ throw new ArgumentNullException(nameof(timelineName));
+
+ var timelineId = await FindTimelineId(timelineName);
+
+ var timelineEntity = await _database.Timelines.Where(t => t.Id == timelineId).Select(t => new { t.LastModified }).SingleAsync();
+
+ return timelineEntity.LastModified;
+ }
+
+ public async Task<string> GetTimelineUniqueId(string timelineName)
+ {
+ if (timelineName == null)
+ throw new ArgumentNullException(nameof(timelineName));
+
+ var timelineId = await FindTimelineId(timelineName);
+
+ var timelineEntity = await _database.Timelines.Where(t => t.Id == timelineId).Select(t => new { t.UniqueId }).SingleAsync();
+
+ return timelineEntity.UniqueId;
+ }
+
public async Task<Models.Timeline> GetTimeline(string timelineName)
{
if (timelineName == null)
|