Implement automatic "mark as fulfilled" for requests

app/src/main/kotlin/org/gameyfin/app/games/entities/GameEntityListener.kt

@@ -8,12 +8,33 @@ import org.gameyfin.app.games.dto.GameAdminEvent
 import org.gameyfin.app.games.dto.GameUserEvent
 import org.gameyfin.app.games.extensions.toAdminDto
 import org.gameyfin.app.games.extensions.toUserDto
+import org.gameyfin.app.requests.GameRequestService
+import org.springframework.context.ApplicationContext
+import org.springframework.context.ApplicationContextAware
+import org.springframework.stereotype.Component
+
+@Component
+class GameEntityListener : ApplicationContextAware {
+
+    companion object {
+        private lateinit var applicationContext: ApplicationContext
+    }
+
+    override fun setApplicationContext(context: ApplicationContext) {
+        applicationContext = context
+    }
+
+    private fun getGameRequestService(): GameRequestService {
+        return applicationContext.getBean(GameRequestService::class.java)
+    }
 
-class GameEntityListener {
     @PostPersist
     fun created(game: Game) {
         GameService.emitUser(GameUserEvent.Created(game.toUserDto()))
         GameService.emitAdmin(GameAdminEvent.Created(game.toAdminDto()))
+
+        // After a game is created, mark any matching game requests as FULFILLED
+        getGameRequestService().completeMatchingRequests(game)
     }
 
     @PostUpdate

app/src/main/kotlin/org/gameyfin/app/requests/GameRequestRepository.kt

@@ -2,5 +2,13 @@ package org.gameyfin.app.requests
 
 import org.gameyfin.app.requests.entities.GameRequest
 import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.data.jpa.repository.Query
+import org.springframework.data.repository.query.Param
+import java.time.Instant
 
-interface GameRequestRepository : JpaRepository<GameRequest, Long>
+interface GameRequestRepository : JpaRepository<GameRequest, Long> {
+    fun findByTitleAndRelease(title: String, release: Instant): List<GameRequest>
+
+    @Query("SELECT g FROM GameRequest g WHERE g.title = :title AND YEAR(g.release) = YEAR(:release)")
+    fun findByTitleAndReleaseYear(@Param("title") title: String, @Param("release") release: Instant): List<GameRequest>
+}

app/src/main/kotlin/org/gameyfin/app/requests/GameRequestService.kt

@@ -2,10 +2,12 @@ package org.gameyfin.app.requests
 
 import io.github.oshai.kotlinlogging.KotlinLogging
 import org.gameyfin.app.core.security.getCurrentAuth
+import org.gameyfin.app.games.entities.Game
 import org.gameyfin.app.requests.dto.GameRequestCreationDto
 import org.gameyfin.app.requests.dto.GameRequestDto
 import org.gameyfin.app.requests.dto.GameRequestEvent
 import org.gameyfin.app.requests.entities.GameRequest
+import org.gameyfin.app.requests.extensions.toDto
 import org.gameyfin.app.requests.extensions.toDtos
 import org.gameyfin.app.requests.status.GameRequestStatus
 import org.gameyfin.app.users.UserService
@@ -94,4 +96,31 @@ class GameRequestService(
 
         gameRequestRepository.save(gameRequest)
     }
+
+    fun completeMatchingRequests(game: Game) {
+        val gameTitle = game.title
+        val gameRelease = game.release
+
+        if (gameTitle == null || gameRelease == null) {
+            log.debug { "Game '${game.id}' is missing title and/or release date, cannot complete matching requests" }
+            return
+        }
+
+        // First match by exact title and release date, if not result could be found then by title and release year only
+        val matchingRequestsByExactRelease = gameRequestRepository.findByTitleAndRelease(gameTitle, gameRelease)
+        val matchingRequestsByReleaseYear = matchingRequestsByExactRelease.ifEmpty {
+            gameRequestRepository.findByTitleAndReleaseYear(
+                gameTitle,
+                gameRelease
+            )
+        }
+
+        matchingRequestsByReleaseYear.forEach { request ->
+            request.status = GameRequestStatus.FULFILLED
+            request.linkedGameId = game.id
+            val persistedRequest = gameRequestRepository.save(request)
+            emit(GameRequestEvent.Updated(persistedRequest.toDto()))
+            log.info { "Marked game request '${request.title}' (${request.release}) as FULFILLED because game is now available" }
+        }
+    }
 }

app/src/main/kotlin/org/gameyfin/app/requests/dto/GameRequestEvent.kt

@@ -3,7 +3,7 @@ package org.gameyfin.app.requests.dto
 sealed class GameRequestEvent {
     abstract val type: String
 
-    data class Created(val game: GameRequestDto, override val type: String = "created") : GameRequestEvent()
-    data class Updated(val game: GameRequestDto, override val type: String = "updated") : GameRequestEvent()
+    data class Created(val gameRequest: GameRequestDto, override val type: String = "created") : GameRequestEvent()
+    data class Updated(val gameRequest: GameRequestDto, override val type: String = "updated") : GameRequestEvent()
     data class Deleted(val gameRequestId: Long, override val type: String = "deleted") : GameRequestEvent()
 }

app/src/main/kotlin/org/gameyfin/app/requests/entities/GameRequest.kt

@@ -35,6 +35,8 @@ class GameRequest(
     @OneToMany
     var voters: MutableList<User> = mutableListOf(),
 
+    var linkedGameId: Long? = null,
+
     @CreationTimestamp
     @Column(nullable = false, updatable = false)
     var createdAt: Instant? = null,