implement find all locations

application/src/main/kotlin/com/threedays/application/user/port/inbound/QueryLocation.kt

@@ -0,0 +1,9 @@
+package com.threedays.application.user.port.inbound
+
+import com.threedays.domain.user.entity.Location
+
+interface QueryLocation {
+
+    fun findAll(): List<Location>
+
+}

application/src/main/kotlin/com/threedays/application/user/service/LocationService.kt

@@ -0,0 +1,17 @@
+package com.threedays.application.user.service
+
+import com.threedays.application.user.port.inbound.QueryLocation
+import com.threedays.domain.user.entity.Location
+import com.threedays.domain.user.repository.LocationQueryRepository
+import org.springframework.stereotype.Service
+
+@Service
+class LocationService(
+    private val locationQueryRepository: LocationQueryRepository,
+) : QueryLocation {
+
+    override fun findAll(): List<Location> {
+        return locationQueryRepository.findAll()
+    }
+
+}

bootstrap/api/src/main/kotlin/com/threedays/bootstrap/api/location/LocationsController.kt

@@ -0,0 +1,25 @@
+package com.threedays.bootstrap.api.location
+
+import com.threedays.application.user.port.inbound.QueryLocation
+import com.threedays.oas.api.LocationsApi
+import com.threedays.oas.model.Location
+import com.threedays.oas.model.OSType
+import org.springframework.http.ResponseEntity
+import org.springframework.stereotype.Controller
+
+@Controller
+class LocationsController(
+    private val queryLocation: QueryLocation,
+) : LocationsApi {
+    override fun locationsGet(xOSType: OSType): ResponseEntity<List<Location>> {
+        val locations = queryLocation.findAll().map {
+            Location(
+                id = it.id.value,
+                region = it.region.value,
+                subRegion = it.subRegion.value,
+            )
+        }.toList()
+        return ResponseEntity.ok(locations)
+    }
+
+}

domain/src/main/kotlin/com/threedays/domain/user/repository/LocationRepository.kt → domain/src/main/kotlin/com/threedays/domain/user/repository/LocationQueryRepository.kt

@@ -4,4 +4,8 @@ import com.threedays.domain.user.entity.Location
 import com.threedays.domain.user.vo.LocationId
 import com.threedays.support.common.base.domain.QueryRepository
 
-interface LocationRepository: QueryRepository<Location, LocationId>
+interface LocationQueryRepository: QueryRepository<Location, LocationId> {
+
+    fun findAll(): List<Location>
+
+}

infrastructure/persistence/src/main/kotlin/com/threedays/persistence/user/adapter/LocationQueryPersistenceAdapter.kt

@@ -0,0 +1,29 @@
+package com.threedays.persistence.user.adapter
+
+import com.threedays.domain.user.entity.Location
+import com.threedays.domain.user.repository.LocationQueryRepository
+import com.threedays.domain.user.vo.LocationId
+import com.threedays.persistence.user.entity.LocationEntity
+import org.jetbrains.exposed.sql.ResultRow
+import org.jetbrains.exposed.sql.selectAll
+import org.springframework.stereotype.Repository
+
+@Repository
+class LocationQueryPersistenceAdapter : LocationQueryRepository {
+    override fun findAll(): List<Location> = LocationEntity
+        .selectAll()
+        .toList()
+        .map { it.toLocation() }
+
+    override fun find(id: LocationId): Location? = LocationEntity
+        .selectAll()
+        .where { LocationEntity.id eq id.value }
+        .singleOrNull()
+        ?.toLocation()
+}
+
+private fun ResultRow.toLocation() = Location(
+    id = LocationId(this[LocationEntity.id].value),
+    region = Location.Region(this[LocationEntity.region]),
+    subRegion = Location.SubRegion(this[LocationEntity.subRegion]),
+)