feat: タイムラインが表示されない問題を修正

src/main/kotlin/dev/usbharu/hideout/config/SecurityConfig.kt

@@ -1,5 +1,6 @@
 package dev.usbharu.hideout.config
 
+import com.fasterxml.jackson.annotation.JsonInclude
 import com.nimbusds.jose.jwk.JWKSet
 import com.nimbusds.jose.jwk.RSAKey
 import com.nimbusds.jose.jwk.source.ImmutableJWKSet
@@ -8,12 +9,16 @@ import com.nimbusds.jose.proc.SecurityContext
 import dev.usbharu.hideout.domain.model.UserDetailsImpl
 import dev.usbharu.hideout.util.RsaUtil
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty
+import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer
 import org.springframework.boot.autoconfigure.security.servlet.PathRequest
 import org.springframework.boot.context.properties.ConfigurationProperties
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
+import org.springframework.context.annotation.Primary
 import org.springframework.core.annotation.Order
 import org.springframework.http.HttpMethod
+import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter
 import org.springframework.security.config.Customizer
 import org.springframework.security.config.annotation.web.builders.HttpSecurity
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity
@@ -35,6 +40,7 @@ import java.security.interfaces.RSAPrivateKey
 import java.security.interfaces.RSAPublicKey
 import java.util.*
 
+
 @EnableWebSecurity(debug = false)
 @Configuration
 class SecurityConfig {
@@ -155,6 +161,21 @@ class SecurityConfig {
             }
         }
     }
+
+    @Bean
+    @Primary
+    fun jackson2ObjectMapperBuilderCustomizer(): Jackson2ObjectMapperBuilderCustomizer {
+        return Jackson2ObjectMapperBuilderCustomizer {
+            it.serializationInclusion(JsonInclude.Include.ALWAYS).serializers()
+        }
+    }
+
+    @Bean
+    fun mappingJackson2HttpMessageConverter(): MappingJackson2HttpMessageConverter {
+        val builder = Jackson2ObjectMapperBuilder()
+            .serializationInclusion(JsonInclude.Include.NON_NULL)
+        return MappingJackson2HttpMessageConverter(builder.build())
+    }
 }
 
 @ConfigurationProperties("hideout.security.jwt")

src/main/kotlin/dev/usbharu/hideout/query/mastodon/StatusQueryServiceImpl.kt

@@ -50,16 +50,16 @@ class StatusQueryServiceImpl : StatusQueryService {
     @Suppress("FunctionMaxLength")
     private suspend fun findByPostIdsWithMediaAttachments(ids: List<Long>): List<Status> {
         val pairs = Posts
-            .innerJoin(PostsMedia, onColumn = { Posts.id }, otherColumn = { PostsMedia.postId })
+            .leftJoin(PostsMedia)
-            .innerJoin(Users, onColumn = { Posts.userId }, otherColumn = { id })
+            .leftJoin(Users)
-            .innerJoin(Media, onColumn = { PostsMedia.mediaId }, otherColumn = { id })
+            .leftJoin(Media)
             .select { Posts.id inList ids }
             .groupBy { it[Posts.id] }
             .map { it.value }
             .map {
                 toStatus(it.first()).copy(
-                    mediaAttachments = it.map {
+                    mediaAttachments = it.mapNotNull {
-                        it.toMedia().let {
+                        it.toMediaOrNull()?.let {
                             MediaAttachment(
                                 id = it.id.toString(),
                                 type = when (it.type) {
@@ -132,7 +132,7 @@ private fun toStatus(it: ResultRow) = Status(
     favouritesCount = 0,
     repliesCount = 0,
     url = it[Posts.apId],
-    inReplyToId = it[Posts.replyId].toString(),
+    inReplyToId = it[Posts.replyId]?.toString(),
     inReplyToAccountId = null,
     language = null,
     text = it[Posts.text],

src/main/kotlin/dev/usbharu/hideout/repository/MediaRepositoryImpl.kt

@@ -69,6 +69,18 @@ fun ResultRow.toMedia(): EntityMedia {
     )
 }
 
+fun ResultRow.toMediaOrNull(): EntityMedia? {
+    return EntityMedia(
+        id = this.getOrNull(Media.id) ?: return null,
+        name = this.getOrNull(Media.name) ?: return null,
+        url = this.getOrNull(Media.url) ?: return null,
+        remoteUrl = this[Media.remoteUrl],
+        thumbnailUrl = this[Media.thumbnailUrl],
+        type = FileType.values().first { it.ordinal == this.getOrNull(Media.type) },
+        blurHash = this[Media.blurhash],
+    )
+}
+
 object Media : Table("media") {
     val id = long("id")
     val name = varchar("name", 255)

src/main/resources/application.yml

@@ -16,6 +16,7 @@ spring:
   jackson:
     serialization:
       WRITE_DATES_AS_TIMESTAMPS: false
+    default-property-inclusion: always
   datasource:
     driver-class-name: org.h2.Driver
     url: "jdbc:h2:./test-dev2;MODE=POSTGRESQL"