filler rework (#449)

* add chapter statistics and new filler options * refactor playout builder * more refactor prep for filler * rewrite schedulers * refactor collectionkey * add tail filler kind * migrate tail filler to filler preset * optionally show filler * fix playout detail row count * remove duration tail filler options * implement tail and fallback in flood scheduler * implement tail and fallback in one scheduler * implement tail and fallback in multiple scheduler * implement looping fallback filler * more duration tests * start to add post-roll filler to flood * rework playoutitem filler tagging * rework scheduler logging * calculate whether configured filler will fit * implement pre-roll and post-roll duration and count filler * improve duration filler calculation * add minutes to search index * update channel guide to work with new filler * add mid-roll filler * don't clone enumerators for filler calculations * support pre-roll and post-roll pad filler * implement mid-roll pad filler * allow clearing filler selections in schedule editor * fix tests * filler config validation * use consistent time zone for tests
2021-10-21 20:23:14 -05:00
parent f4a63a1a1a
commit 6d147de2f3
133 changed files with 54673 additions and 990 deletions
@@ -0,0 +1,108 @@
+using System;
+using System.Collections.Generic;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Domain.Filler;
+using ErsatzTV.Core.Interfaces.Scheduling;
+using Microsoft.Extensions.Logging;
+using static LanguageExt.Prelude;
+
+namespace ErsatzTV.Core.Scheduling
+{
+    public class PlayoutModeSchedulerOne : PlayoutModeSchedulerBase<ProgramScheduleItemOne>
+    {
+        public PlayoutModeSchedulerOne(ILogger logger) : base(logger)
+        {
+        }
+
+        public override Tuple<PlayoutBuilderState, List<PlayoutItem>> Schedule(
+            PlayoutBuilderState playoutBuilderState,
+            Dictionary<CollectionKey, IMediaCollectionEnumerator> collectionEnumerators,
+            ProgramScheduleItemOne scheduleItem,
+            ProgramScheduleItem nextScheduleItem,
+            DateTimeOffset hardStop)
+        {
+            IMediaCollectionEnumerator contentEnumerator =
+                collectionEnumerators[CollectionKey.ForScheduleItem(scheduleItem)];
+            foreach (MediaItem mediaItem in contentEnumerator.Current)
+            {
+                // find when we should start this item, based on the current time
+                DateTimeOffset itemStartTime = GetStartTimeAfter(
+                    playoutBuilderState,
+                    scheduleItem);
+
+                TimeSpan itemDuration = DurationForMediaItem(mediaItem);
+                List<MediaChapter> itemChapters = ChaptersForMediaItem(mediaItem);
+
+                var playoutItem = new PlayoutItem
+                {
+                    MediaItemId = mediaItem.Id,
+                    Start = itemStartTime.UtcDateTime,
+                    Finish = itemStartTime.UtcDateTime + itemDuration,
+                    InPoint = TimeSpan.Zero,
+                    OutPoint = itemDuration,
+                    GuideGroup = playoutBuilderState.NextGuideGroup,
+                    FillerKind = scheduleItem.GuideMode == GuideMode.Filler
+                        ? FillerKind.Tail
+                        : FillerKind.None
+                };
+
+                DateTimeOffset itemEndTimeWithFiller = CalculateEndTimeWithFiller(
+                    collectionEnumerators,
+                    scheduleItem,
+                    itemStartTime,
+                    itemDuration,
+                    itemChapters);
+
+                List<PlayoutItem> playoutItems = AddFiller(
+                    playoutBuilderState,
+                    collectionEnumerators,
+                    scheduleItem,
+                    playoutItem,
+                    itemChapters);
+
+                // only play one item from collection, so always advance to the next item
+                // _logger.LogDebug(
+                //     "Advancing to next schedule item after playout mode {PlayoutMode}",
+                //     "One");
+
+                PlayoutBuilderState nextState = playoutBuilderState with
+                {
+                    CurrentTime = itemEndTimeWithFiller,
+                    ScheduleItemIndex = playoutBuilderState.ScheduleItemIndex + 1
+                };
+
+                contentEnumerator.MoveNext();
+
+                // LogScheduledItem(scheduleItem, mediaItem, itemStartTime);
+
+                DateTimeOffset nextItemStart = GetStartTimeAfter(nextState, nextScheduleItem);
+
+                if (scheduleItem.TailFiller != null)
+                {
+                    (nextState, playoutItems) = AddTailFiller(
+                        nextState,
+                        collectionEnumerators,
+                        scheduleItem,
+                        playoutItems,
+                        nextItemStart);
+                }
+
+                if (scheduleItem.FallbackFiller != null)
+                {
+                    (nextState, playoutItems) = AddFallbackFiller(
+                        nextState,
+                        collectionEnumerators,
+                        scheduleItem,
+                        playoutItems,
+                        nextItemStart);
+                }
+
+                nextState = nextState with { NextGuideGroup = nextState.IncrementGuideGroup };
+
+                return Tuple(nextState, playoutItems);
+            }
+            
+            return Tuple(playoutBuilderState, new List<PlayoutItem>());
+        }
+    }
+}