First version of metadata on field level, probably not the final implementation

gameyfin/src/main/kotlin/de/grimsi/gameyfin/games/GameService.kt

@@ -2,6 +2,7 @@ package de.grimsi.gameyfin.games
 
 import de.grimsi.gameyfin.core.plugins.management.PluginManagementService
 import de.grimsi.gameyfin.games.dto.GameDto
+import de.grimsi.gameyfin.games.dto.GameMetadataDto
 import de.grimsi.gameyfin.games.entities.*
 import de.grimsi.gameyfin.games.repositories.CompanyRepository
 import de.grimsi.gameyfin.games.repositories.GameRepository
@@ -102,11 +103,24 @@ class GameService(
             perspectives = game.perspectives.map { it.name },
             imageIds = game.images.mapNotNull { it.id },
             videoUrls = game.videoUrls.map { it.toString() },
-            source = game.source.pluginId
+            metadata = toDto(game.metadata)
+        )
+    }
+
+    private fun toDto(metadata: Map<String, FieldMetadata>): Map<String, GameMetadataDto> {
+        return metadata.mapValues { toDto(it.value) }
+    }
+
+    private fun toDto(metadata: FieldMetadata): GameMetadataDto {
+        return GameMetadataDto(
+            source = metadata.source.pluginId,
+            lastUpdated = metadata.lastUpdated
         )
     }
 
     private fun toEntity(metadata: GameMetadata, path: Path, source: GameMetadataProvider): Game {
+        val sourcePlugin = pluginManagementService.getPluginManagementEntry(source.javaClass)
+
         return Game(
             title = metadata.title,
             summary = metadata.description,
@@ -122,7 +136,7 @@ class GameService(
             images = metadata.screenshotUrls.map { downloadAndPersist(it, ImageType.SCREENSHOT) }.toSet(),
             videoUrls = metadata.videoUrls,
             path = path.toString(),
-            source = pluginManagementService.getPluginManagementEntry(source.javaClass)
+            metadata = mapOf("title" to FieldMetadata(sourcePlugin))
         )
     }
 

gameyfin/src/main/kotlin/de/grimsi/gameyfin/games/dto/GameDto.kt

@@ -18,5 +18,5 @@ class GameDto(
     val perspectives: List<String>?,
     val imageIds: List<Long>?,
     val videoUrls: List<String>?,
-    val source: String?
+    val metadata: Map<String, GameMetadataDto>
 )

gameyfin/src/main/kotlin/de/grimsi/gameyfin/games/dto/GameMetadataDto.kt

@@ -0,0 +1,8 @@
+package de.grimsi.gameyfin.games.dto
+
+import java.time.Instant
+
+class GameMetadataDto(
+    val source: String,
+    val lastUpdated: Instant
+)

gameyfin/src/main/kotlin/de/grimsi/gameyfin/games/entities/FieldMetadata.kt

@@ -0,0 +1,19 @@
+package de.grimsi.gameyfin.games.entities
+
+import de.grimsi.gameyfin.core.plugins.management.PluginManagementEntry
+import jakarta.persistence.*
+import java.time.Instant
+
+@Entity
+class FieldMetadata(
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    var id: Long? = null,
+
+    @ManyToOne
+    val source: PluginManagementEntry,
+
+    val lastUpdated: Instant
+) {
+    constructor(source: PluginManagementEntry) : this(null, source, Instant.now())
+}

gameyfin/src/main/kotlin/de/grimsi/gameyfin/games/entities/Game.kt

@@ -1,6 +1,5 @@
 package de.grimsi.gameyfin.games.entities
 
-import de.grimsi.gameyfin.core.plugins.management.PluginManagementEntry
 import de.grimsi.gameyfin.pluginapi.gamemetadata.GameFeature
 import de.grimsi.gameyfin.pluginapi.gamemetadata.Genre
 import de.grimsi.gameyfin.pluginapi.gamemetadata.PlayerPerspective
@@ -60,6 +59,6 @@ class Game(
     @Column(unique = true)
     val path: String,
 
-    @ManyToOne
-    val source: PluginManagementEntry
+    @OneToMany(cascade = [CascadeType.ALL], orphanRemoval = true)
+    val metadata: Map<String, FieldMetadata>
 )

gameyfin/src/main/kotlin/de/grimsi/gameyfin/games/repositories/FieldMetadataRepository.kt

@@ -0,0 +1,6 @@
+package de.grimsi.gameyfin.games.repositories
+
+import de.grimsi.gameyfin.games.entities.FieldMetadata
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface FieldMetadataRepository : JpaRepository<FieldMetadata, Long>

gameyfin/src/main/resources/application-dev.yml

@@ -0,0 +1,2 @@
+logging.level.org.hibernate.SQL: DEBUG
+logging.level.org.hibernate.type: TRACE