findUserTravelsAsTraveler por JPA

src/main/kotlin/eu/fosil/okupamicoche/entities/Travel.kt

@@ -5,9 +5,14 @@ import javax.persistence.*
 @Entity
 class Travel(
     @Id @GeneratedValue var id: Long? = null,
-    @OneToOne
+    @ManyToOne
     var driver: User,
-    @OneToMany
+    @ManyToMany
+//    @JoinTable(
+//        name = "travel_travelers",
+//        joinColumns = [JoinColumn(name = "travel_id")],
+//        inverseJoinColumns = [JoinColumn(name = "user_id")]
+//    )
     var travelers: MutableList<User>,
     var departureDate: String,
     var origin: String,

src/main/kotlin/eu/fosil/okupamicoche/entities/User.kt

@@ -1,13 +1,15 @@
 package eu.fosil.okupamicoche.entities
 
-import javax.persistence.Entity
-import javax.persistence.GeneratedValue
-import javax.persistence.Id
+import javax.persistence.*
 
 @Entity
 class User(
     @Id @GeneratedValue var id: Long? = null,
     var matrixId: String,
     var name: String,
-    var email: String
+    var email: String,
+    @OneToMany(mappedBy = "driver")
+    var travelsAsDriver: List<Travel>,
+    @ManyToMany(mappedBy = "travelers")
+    var travelsAsTraveler: List<Travel>
 )

src/main/kotlin/eu/fosil/okupamicoche/repositories/TravelRepository.kt

@@ -1,6 +1,10 @@
 package eu.fosil.okupamicoche.repositories
 
 import eu.fosil.okupamicoche.entities.Travel
+import org.springframework.data.jpa.repository.Query
 import org.springframework.data.repository.CrudRepository
 
-interface TravelRepository : CrudRepository<Travel, Long>
+interface TravelRepository : CrudRepository<Travel, Long> {
+    @Query("SELECT t FROM Travel t JOIN t.travelers u ON t.id=u.id WHERE t.id = ?1")
+    fun findUserTravelsAsTraveler(userId: Long): List<Travel>
+}

src/main/kotlin/eu/fosil/okupamicoche/usecases/travel/AddTraveler.kt

@@ -6,7 +6,7 @@ import eu.fosil.okupamicoche.repositories.TravelRepository
 
 class AddTraveler(private val travelRepository: TravelRepository) {
     fun addTraveler(travel: Travel, user: User) {
-        if (travel.travelers.none { u -> u.id == user.id })
+        if (!travel.travelers.contains(user))
             travel.travelers.add(user)
         travelRepository.save(travel)
     }

src/main/kotlin/eu/fosil/okupamicoche/usecases/travel/ListUserTravels.kt

@@ -6,7 +6,9 @@ import eu.fosil.okupamicoche.repositories.TravelRepository
 
 class ListUserTravels(private val travelRepository: TravelRepository) {
     fun listUserTravels(user: User): List<Travel> {
-        val travels: List<Travel> = travelRepository.findAll().toList()
-        return travels.filter { travel -> travel.travelers.contains(user) }
+        user.id?.let {
+            return travelRepository.findUserTravelsAsTraveler(it)
+        }
+        return listOf()
     }
 }