evenly divide epg time for schedule blocks (#1607)

* add checkbox to include block items in program guide

* evenly divide epg time for schedule blocks

ErsatzTV.Core/Scheduling/BlockScheduling/BlockPlayoutBuilder.cs

@@ -32,8 +32,6 @@ public class BlockPlayoutBuilder(
             playout.Channel.Number,
             playout.Channel.Name);
 
-        var random = new Random();
-
         List<PlaybackOrder> allowedPlaybackOrders =
         [
             PlaybackOrder.Chronological,
@@ -149,14 +147,16 @@ public class BlockPlayoutBuilder(
                         Finish = currentTime.UtcDateTime + itemDuration,
                         InPoint = TimeSpan.Zero,
                         OutPoint = itemDuration,
-                        FillerKind = FillerKind.None,
+                        FillerKind = blockItem.IncludeInProgramGuide ? FillerKind.None : FillerKind.GuideMode,
                         //CustomTitle = scheduleItem.CustomTitle,
                         //WatermarkId = scheduleItem.WatermarkId,
                         //PreferredAudioLanguageCode = scheduleItem.PreferredAudioLanguageCode,
                         //PreferredAudioTitle = scheduleItem.PreferredAudioTitle,
                         //PreferredSubtitleLanguageCode = scheduleItem.PreferredSubtitleLanguageCode,
                         //SubtitleMode = scheduleItem.SubtitleMode
-                        GuideGroup = random.Next(),
+                        GuideGroup = effectiveBlock.TemplateItemId,
+                        GuideStart = effectiveBlock.Start.UtcDateTime,
+                        GuideFinish = blockFinish.UtcDateTime,
                         BlockKey = JsonConvert.SerializeObject(effectiveBlock.BlockKey),
                         CollectionKey = JsonConvert.SerializeObject(collectionKey, JsonSettings),
                         CollectionEtag = collectionEtags[collectionKey]

ErsatzTV.Core/Scheduling/BlockScheduling/EffectiveBlock.cs

@@ -2,7 +2,7 @@ using ErsatzTV.Core.Domain.Scheduling;
 
 namespace ErsatzTV.Core.Scheduling.BlockScheduling;
 
-internal record EffectiveBlock(Block Block, BlockKey BlockKey, DateTimeOffset Start)
+internal record EffectiveBlock(Block Block, BlockKey BlockKey, DateTimeOffset Start, int TemplateItemId)
 {
     public static List<EffectiveBlock> GetEffectiveBlocks(
         ICollection<PlayoutTemplate> templates,
@@ -27,6 +27,7 @@ internal record EffectiveBlock(Block Block, BlockKey BlockKey, DateTimeOffset St
                 
                 var newBlocks = playoutTemplate.Template.Items
                     .Map(i => ToEffectiveBlock(playoutTemplate, i, today, start))
+                    .Map(NormalizeGuideMode)
                     .ToList();
 
                 effectiveBlocks.AddRange(newBlocks);
@@ -56,5 +57,20 @@ internal record EffectiveBlock(Block Block, BlockKey BlockKey, DateTimeOffset St
                 templateItem.StartTime.Hours,
                 templateItem.StartTime.Minutes,
                 0,
-                start.Offset));
+                start.Offset),
+            templateItem.Id);
+
+    private static EffectiveBlock NormalizeGuideMode(EffectiveBlock effectiveBlock)
+    {
+        if (effectiveBlock.Block.Items is not null &&
+            effectiveBlock.Block.Items.All(bi => bi.IncludeInProgramGuide == false))
+        {
+            foreach (BlockItem blockItem in effectiveBlock.Block.Items)
+            {
+                blockItem.IncludeInProgramGuide = true;
+            }
+        }
+
+        return effectiveBlock;
+    }
 }