import multiple games into study - closes #6842

modules/study/src/main/ChapterMaker.scala

@@ -211,7 +211,17 @@ private[study] object ChapterMaker {
       orientation: String = "white",
       mode: String = ChapterMaker.Mode.Normal.key,
       initial: Boolean = false
-  ) extends ChapterData
+  ) extends ChapterData {
+
+    def manyGames =
+      game
+        .??(_.linesIterator.take(Study.maxChapters).toList)
+        .map(_.trim)
+        .filter(_.nonEmpty)
+        .map { g => copy(game = g.some) }
+        .some
+        .filter(_.size > 1)
+  }
 
   case class EditData(
       id: Chapter.Id,

modules/study/src/main/StudyApi.scala

@@ -569,27 +569,34 @@ final class StudyApi(
         }
     }
 
-  def addChapter(studyId: Study.Id, data: ChapterMaker.Data, sticky: Boolean)(who: Who) =
-    sequenceStudy(studyId) { study =>
-      Contribute(who.u, study) {
-        chapterRepo.countByStudyId(study.id) flatMap { count =>
-          if (count >= Study.maxChapters) funit
-          else
-            chapterRepo.nextOrderByStudy(study.id) flatMap { order =>
-              chapterMaker(study, data, order, who.u) flatMap { chapter =>
-                data.initial ?? {
-                  chapterRepo.firstByStudy(study.id) flatMap {
-                    _.filter(_.isEmptyInitial) ?? chapterRepo.delete
-                  }
-                } >> doAddChapter(study, chapter, sticky, who)
-              } addFailureEffect {
-                case ChapterMaker.ValidationException(error) =>
-                  sendTo(study.id)(_.validationError(error, who.sri))
-                case u => println(u)
-              }
-            }
+  def addChapter(studyId: Study.Id, data: ChapterMaker.Data, sticky: Boolean)(who: Who): Funit =
+    data.manyGames match {
+      case Some(datas) =>
+        lila.common.Future.applySequentially(datas) { data =>
+          addChapter(studyId, data, sticky)(who)
+        }
+      case _ =>
+        sequenceStudy(studyId) { study =>
+          Contribute(who.u, study) {
+            chapterRepo.countByStudyId(study.id) flatMap { count =>
+              if (count >= Study.maxChapters) funit
+              else
+                chapterRepo.nextOrderByStudy(study.id) flatMap { order =>
+                  chapterMaker(study, data, order, who.u) flatMap { chapter =>
+                    data.initial ?? {
+                      chapterRepo.firstByStudy(study.id) flatMap {
+                        _.filter(_.isEmptyInitial) ?? chapterRepo.delete
+                      }
+                    } >> doAddChapter(study, chapter, sticky, who)
+                  } addFailureEffect {
+                    case ChapterMaker.ValidationException(error) =>
+                      sendTo(study.id)(_.validationError(error, who.sri))
+                    case u => println(u)
+                  }
+                }
+            }
+          }
         }
-      }
     }
 
   def importPgns(studyId: Study.Id, datas: List[ChapterMaker.Data], sticky: Boolean)(who: Who) =

translation/source/study.xml

@@ -94,16 +94,16 @@
   <string name="startFromInitialPosition">Start from initial position</string>
   <string name="editor">Editor</string>
   <string name="startFromCustomPosition">Start from custom position</string>
-  <string name="loadAGameByUrl">Load a game by URL</string>
+  <string name="loadAGameByUrl">Load games by URLs</string>
   <string name="loadAPositionFromFen">Load a position from FEN</string>
-  <string name="loadAGameFromPgn">Load a game from PGN</string>
+  <string name="loadAGameFromPgn">Load games from PGN</string>
   <string name="automatic">Automatic</string>
   <plurals name="pasteYourPgnTextHereUpToNbGames">
     <item quantity="one">Paste your PGN text here, up to %s game</item>
     <item quantity="other">Paste your PGN text here, up to %s games</item>
   </plurals>
-  <string name="urlOfTheGame">URL of the game</string>
-  <string name="loadAGameFromXOrY">Load a game from %1$s or %2$s</string>
+  <string name="urlOfTheGame">URL of the games, one per line</string>
+  <string name="loadAGameFromXOrY">Load games from %1$s or %2$s</string>
   <string name="createChapter">Create chapter</string>
   <string name="configureLiveBroadcast">Configure live broadcast</string>
   <string name="createStudy">Create study</string>

ui/analyse/src/study/chapterNewForm.ts

@@ -196,7 +196,7 @@ export function view(ctrl: StudyChapterNewFormCtrl): VNode {
           h('label.form-label', {
             attrs: { 'for': 'chapter-game' }
           }, trans('loadAGameFromXOrY', 'lichess.org', 'chessgames.com')),
-          h('input#chapter-game.form-control', {
+          h('textarea#chapter-game.form-control', {
             attrs: { placeholder: noarg('urlOfTheGame') }
           })
         ]) : null,