Merge pull request #197 from usbharu/feature/mastodon-follow-api

Feature/mastodon follow api

src/intTest/kotlin/mastodon/account/AccountApiTest.kt

@@ -1,8 +1,10 @@
 package mastodon.account
 
 import dev.usbharu.hideout.SpringApplication
+import dev.usbharu.hideout.core.infrastructure.exposedquery.FollowerQueryServiceImpl
 import dev.usbharu.hideout.core.infrastructure.exposedquery.UserQueryServiceImpl
 import kotlinx.coroutines.test.runTest
+import org.assertj.core.api.Assertions.assertThat
 import org.flywaydb.core.Flyway
 import org.junit.jupiter.api.AfterAll
 import org.junit.jupiter.api.BeforeEach
@@ -14,6 +16,7 @@ import org.springframework.http.MediaType
 import org.springframework.security.core.authority.SimpleGrantedAuthority
 import org.springframework.security.test.context.support.WithAnonymousUser
 import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors
+import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.csrf
 import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.jwt
 import org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity
 import org.springframework.test.context.jdbc.Sql
@@ -29,11 +32,16 @@ import org.springframework.web.context.WebApplicationContext
 @AutoConfigureMockMvc
 @Transactional
 @Sql("/sql/test-user.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_CLASS)
+@Sql("/sql/test-user2.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_CLASS)
 class AccountApiTest {
 
+    @Autowired
+    private lateinit var followerQueryServiceImpl: FollowerQueryServiceImpl
+
     @Autowired
     private lateinit var userQueryServiceImpl: UserQueryServiceImpl
 
+
     @Autowired
     private lateinit var context: WebApplicationContext
 
@@ -92,7 +100,7 @@ class AccountApiTest {
             .asyncDispatch()
             .andExpect { status { isFound() } }
 
-        userQueryServiceImpl.findByNameAndDomain("api-test-user-1", "localhost")
+        userQueryServiceImpl.findByNameAndDomain("api-test-user-1", "example.com")
     }
 
     @Test
@@ -108,7 +116,7 @@ class AccountApiTest {
             .asyncDispatch()
             .andExpect { status { isFound() } }
 
-        userQueryServiceImpl.findByNameAndDomain("api-test-user-2", "localhost")
+        userQueryServiceImpl.findByNameAndDomain("api-test-user-2", "example.com")
     }
 
     @Test
@@ -159,6 +167,120 @@ class AccountApiTest {
             .andExpect { status { isForbidden() } }
     }
 
+    @Test
+    @WithAnonymousUser
+    fun `apiV1AccountsIdGet 匿名でアカウント情報を取得できる`() {
+        mockMvc
+            .get("/api/v1/accounts/1")
+            .asyncDispatch()
+            .andExpect { status { isOk() } }
+    }
+
+    @Test
+    fun `apiV1AccountsIdFollowPost write_follows権限でPOSTでフォローできる`() {
+        mockMvc
+            .post("/api/v1/accounts/2/follow") {
+                contentType = MediaType.APPLICATION_JSON
+                with(jwt().jwt { it.claim("uid", "1") }.authorities(SimpleGrantedAuthority("SCOPE_write:follows")))
+            }
+            .asyncDispatch()
+            .andExpect { status { isOk() } }
+    }
+
+    @Test
+    fun `apiV1AccountsIdFollowPost write権限でPOSTでフォローできる`() {
+        mockMvc
+            .post("/api/v1/accounts/2/follow") {
+                contentType = MediaType.APPLICATION_JSON
+                with(jwt().jwt { it.claim("uid", "1") }.authorities(SimpleGrantedAuthority("SCOPE_write")))
+            }
+            .asyncDispatch()
+            .andExpect { status { isOk() } }
+    }
+
+    @Test
+    fun `apiV1AccountsIdFollowPost read権限でだと403`() {
+        mockMvc
+            .post("/api/v1/accounts/2/follow") {
+                contentType = MediaType.APPLICATION_JSON
+                with(jwt().jwt { it.claim("uid", "1") }.authorities(SimpleGrantedAuthority("SCOPE_read")))
+            }
+            .andExpect { status { isForbidden() } }
+    }
+
+    @Test
+    @WithAnonymousUser
+    fun `apiV1AAccountsIdFollowPost 匿名だと401`() {
+        mockMvc
+            .post("/api/v1/accounts/2/follow") {
+                contentType = MediaType.APPLICATION_JSON
+                with(csrf())
+            }
+            .andExpect { status { isUnauthorized() } }
+    }
+
+    @Test
+    @WithAnonymousUser
+    fun `apiV1AAccountsIdFollowPost 匿名の場合通常csrfトークンは持ってないので403`() {
+        mockMvc
+            .post("/api/v1/accounts/2/follow") {
+                contentType = MediaType.APPLICATION_JSON
+            }
+            .andExpect { status { isForbidden() } }
+    }
+
+    @Test
+    fun `apiV1AccountsRelationshipsGet 匿名だと401`() {
+        mockMvc
+            .get("/api/v1/accounts/relationships")
+            .andExpect { status { isUnauthorized() } }
+    }
+
+    @Test
+    fun `apiV1AccountsRelationshipsGet read_follows権限を持っていたら取得できる`() {
+        mockMvc
+            .get("/api/v1/accounts/relationships") {
+                with(jwt().jwt { it.claim("uid", "1") }.authorities(SimpleGrantedAuthority("SCOPE_read:follows")))
+            }
+            .asyncDispatch()
+            .andExpect { status { isOk() } }
+    }
+
+    @Test
+    fun `apiV1AccountsRelationshipsGet read権限を持っていたら取得できる`() {
+        mockMvc
+            .get("/api/v1/accounts/relationships") {
+                with(jwt().jwt { it.claim("uid", "1") }.authorities(SimpleGrantedAuthority("SCOPE_read")))
+            }
+            .asyncDispatch()
+            .andExpect { status { isOk() } }
+    }
+
+    @Test
+    fun `apiV1AccountsRelationshipsGet write権限だと403`() {
+        mockMvc
+            .get("/api/v1/accounts/relationships") {
+                with(jwt().jwt { it.claim("uid", "1") }.authorities(SimpleGrantedAuthority("SCOPE_write")))
+            }
+            .andExpect { status { isForbidden() } }
+    }
+
+    @Test
+    @Sql("/sql/accounts/apiV1AccountsIdFollowPost フォローできる.sql")
+    fun `apiV1AccountsIdFollowPost フォローできる`() = runTest {
+        mockMvc
+            .post("/api/v1/accounts/3733363/follow") {
+                contentType = MediaType.APPLICATION_JSON
+                with(jwt().jwt { it.claim("uid", "37335363") }.authorities(SimpleGrantedAuthority("SCOPE_write")))
+            }
+            .asyncDispatch()
+            .andExpect { status { isOk() } }
+
+        val alreadyFollow = followerQueryServiceImpl.alreadyFollow(3733363, 37335363)
+
+        assertThat(alreadyFollow).isTrue()
+    }
+
     companion object {
         @JvmStatic
         @AfterAll

src/intTest/resources/application.yml

@@ -1,5 +1,5 @@
 hideout:
-  url: "https://localhost:8080"
+  url: "https://example.com"
   use-mongodb: true
   security:
     jwt:

src/intTest/resources/sql/accounts/apiV1AccountsIdFollowPost フォローできる.sql

@@ -0,0 +1,18 @@
+insert into "USERS" (id, name, domain, screen_name, description, password, inbox, outbox, url, public_key, private_key,
+                     created_at, key_id, following, followers, instance)
+VALUES (3733363, 'follow-test-user-1', 'example.com', 'follow-test-user-1-name', '',
+        '5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8',
+        'https://example.com/users/follow-test-user-1/inbox',
+        'https://example.com/users/follow-test-user-1/outbox', 'https://example.com/users/follow-test-user-1',
+        '-----BEGIN PUBLIC KEY-----...-----END PUBLIC KEY-----',
+        '-----BEGIN PRIVATE KEY-----...-----END PRIVATE KEY-----', 12345678,
+        'https://example.com/users/follow-test-user-1#pubkey', 'https://example.com/users/follow-test-user-1/following',
+        'https://example.com/users/follow-test-user-1/followers', null),
+       (37335363, 'follow-test-user-2', 'example.com', 'follow-test-user-2-name', '',
+        '5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8',
+        'https://example.com/users/follow-test-user-2/inbox',
+        'https://example.com/users/follow-test-user-2/outbox', 'https://example.com/users/follow-test-user-2',
+        '-----BEGIN PUBLIC KEY-----...-----END PUBLIC KEY-----',
+        '-----BEGIN PRIVATE KEY-----...-----END PRIVATE KEY-----', 12345678,
+        'https://example.com/users/follow-test-user-2#pubkey', 'https://example.com/users/follow-test-user-2/following',
+        'https://example.com/users/follow-test-user-2/followers', null);

src/intTest/resources/sql/test-user2.sql

@@ -0,0 +1,10 @@
+insert into "USERS" (ID, NAME, DOMAIN, SCREEN_NAME, DESCRIPTION, PASSWORD, INBOX, OUTBOX, URL, PUBLIC_KEY, PRIVATE_KEY,
+                     CREATED_AT, KEY_ID, FOLLOWING, FOLLOWERS, INSTANCE)
+VALUES (2, 'test-user2', 'example.com', 'Im test user.', 'THis account is test user.',
+        '5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8',
+        'https://example.com/users/test-user2/inbox',
+        'https://example.com/users/test-user2/outbox', 'https://example.com/users/test-user2',
+        '-----BEGIN PUBLIC KEY-----...-----END PUBLIC KEY-----',
+        '-----BEGIN PRIVATE KEY-----...-----END PRIVATE KEY-----', 12345678,
+        'https://example.com/users/test-user2#pubkey', 'https://example.com/users/test-user2/following',
+        'https://example.com/users/test-user2s/followers', null);

src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/Document.kt

@@ -1,9 +1,12 @@
 package dev.usbharu.hideout.activitypub.domain.model
 
+import com.fasterxml.jackson.annotation.JsonSetter
+import com.fasterxml.jackson.annotation.Nulls
 import dev.usbharu.hideout.activitypub.domain.model.objects.Object
 
 open class Document(
     type: List<String> = emptyList(),
+    @JsonSetter(nulls = Nulls.AS_EMPTY)
     override val name: String = "",
     val mediaType: String,
     val url: String

src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/Image.kt

@@ -4,12 +4,11 @@ import dev.usbharu.hideout.activitypub.domain.model.objects.Object
 
 open class Image(
     type: List<String> = emptyList(),
-    val mediaType: String,
+    val mediaType: String? = null,
     val url: String
 ) : Object(
     add(type, "Image")
 ) {
-
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (javaClass != other?.javaClass) return false
@@ -25,10 +24,16 @@ open class Image(
 
     override fun hashCode(): Int {
         var result = super.hashCode()
-        result = 31 * result + mediaType.hashCode()
+        result = 31 * result + (mediaType?.hashCode() ?: 0)
         result = 31 * result + url.hashCode()
         return result
     }
 
-    override fun toString(): String = "Image(mediaType=$mediaType, url=$url) ${super.toString()}"
+    override fun toString(): String {
+        return "Image(" +
+            "mediaType=$mediaType, " +
+            "url='$url'" +
+            ")" +
+            " ${super.toString()}"
+    }
 }

src/main/kotlin/dev/usbharu/hideout/activitypub/service/common/APRequestServiceImpl.kt

@@ -84,7 +84,7 @@ class APRequestServiceImpl(
                 headers {
                     appendAll(headers)
                     append("Signature", sign.signatureHeader)
-                    remove("Host")
+//                    remove("Host")
                 }
             }
             contentType(Activity)
@@ -173,7 +173,7 @@ class APRequestServiceImpl(
             append("Accept", Activity)
             append("Date", date)
             append("Host", u.host)
-            append("Digest", "sha-256=$digest")
+            append("Digest", "SHA-256=$digest")
         }
 
         val sign = httpSignatureSigner.sign(
@@ -193,7 +193,7 @@ class APRequestServiceImpl(
             headers {
                 appendAll(headers)
                 append("Signature", sign.signatureHeader)
-                remove("Host")
+//                remove("Host")
             }
             setBody(requestBody)
             contentType(Activity)

src/main/kotlin/dev/usbharu/hideout/activitypub/service/inbox/InboxJobProcessor.kt

@@ -99,7 +99,6 @@ class InboxJobProcessor(
 
         val verify = signature?.let { verifyHttpSignature(httpRequest, it, transaction) } ?: false
 
-        transaction.transaction {
         logger.debug("Is verifying success? {}", verify)
 
         val activityPubProcessor =
@@ -115,7 +114,6 @@ class InboxJobProcessor(
 
         logger.info("SUCCESS Process inbox. type: {}", param.type)
     }
-    }
 
     override fun job(): InboxJob = InboxJob
 

src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/user/APUserService.kt

@@ -58,8 +58,8 @@ class APUserServiceImpl(
             url = userUrl,
             icon = Image(
                 type = emptyList(),
-                mediaType = "image/png",
+                mediaType = "image/jpeg",
-                url = "$userUrl/icon.png"
+                url = "$userUrl/icon.jpg"
             ),
             publicKey = Key(
                 id = userEntity.keyId,
@@ -124,8 +124,8 @@ class APUserServiceImpl(
         url = id,
         icon = Image(
             type = emptyList(),
-            mediaType = "image/png",
+            mediaType = "image/jpeg",
-            url = "$id/icon.png"
+            url = "$id/icon.jpg"
         ),
         publicKey = Key(
             id = userEntity.keyId,

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

@@ -180,17 +180,23 @@ class SecurityConfig {
 
                 authorize(POST, "/inbox", permitAll)
                 authorize(POST, "/users/*/inbox", permitAll)
+                authorize(GET, "/users/*", permitAll)
+                authorize(GET, "/users/*/posts/*", permitAll)
 
                 authorize(POST, "/api/v1/apps", permitAll)
                 authorize(GET, "/api/v1/instance/**", permitAll)
                 authorize(POST, "/api/v1/accounts", permitAll)
 
                 authorize("/auth/sign_up", hasRole("ANONYMOUS"))
-                authorize(GET, "/files", permitAll)
+                authorize(GET, "/files/*", permitAll)
                 authorize(GET, "/users/*/icon.jpg", permitAll)
                 authorize(GET, "/users/*/header.jpg", permitAll)
 
                 authorize(GET, "/api/v1/accounts/verify_credentials", hasAnyScope("read", "read:accounts"))
+                authorize(GET, "/api/v1/accounts/relationships", hasAnyScope("read", "read:follows"))
+                authorize(GET, "/api/v1/accounts/*", permitAll)
+                authorize(GET, "/api/v1/accounts/*/statuses", permitAll)
+                authorize(POST, "/api/v1/accounts/*/follow", hasAnyScope("write", "write:follows"))
 
                 authorize(POST, "/api/v1/media", hasAnyScope("write", "write:media"))
                 authorize(POST, "/api/v1/statuses", hasAnyScope("write", "write:statuses"))

src/main/kotlin/dev/usbharu/hideout/application/infrastructure/exposed/ExposedTransaction.kt

@@ -2,19 +2,24 @@ package dev.usbharu.hideout.application.infrastructure.exposed
 
 import dev.usbharu.hideout.application.external.Transaction
 import kotlinx.coroutines.slf4j.MDCContext
+import org.jetbrains.exposed.sql.StdOutSqlLogger
+import org.jetbrains.exposed.sql.addLogger
 import org.jetbrains.exposed.sql.transactions.experimental.newSuspendedTransaction
 import org.springframework.stereotype.Service
+import java.sql.Connection
 
 @Service
 class ExposedTransaction : Transaction {
     override suspend fun <T> transaction(block: suspend () -> T): T {
-        return newSuspendedTransaction(MDCContext()) {
+        return newSuspendedTransaction(MDCContext(), transactionIsolation = Connection.TRANSACTION_SERIALIZABLE) {
+            addLogger(StdOutSqlLogger)
             block()
         }
     }
 
     override suspend fun <T> transaction(transactionLevel: Int, block: suspend () -> T): T {
         return newSuspendedTransaction(MDCContext(), transactionIsolation = transactionLevel) {
+            addLogger(StdOutSqlLogger)
             block()
         }
     }

src/main/kotlin/dev/usbharu/hideout/core/infrastructure/kjobexposed/KJobJobQueueWorkerService.kt

@@ -8,6 +8,7 @@ import kjob.core.dsl.JobRegisterContext
 import kjob.core.dsl.KJobFunctions
 import kjob.core.kjob
 import org.jetbrains.exposed.sql.transactions.TransactionManager
+import org.slf4j.MDC
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty
 import org.springframework.stereotype.Service
 
@@ -35,8 +36,13 @@ class KJobJobQueueWorkerService(private val jobQueueProcessorList: List<JobProce
         for (jobProcessor in jobQueueProcessorList) {
             kjob.register(jobProcessor.job()) {
                 execute {
+                    try {
+                        MDC.put("x-job-id", this.jobId)
                         val param = it.convertUnsafe(props)
                         jobProcessor.process(param)
+                    } finally {
+                        MDC.remove("x-job-id")
+                    }
                 }
             }
         }

src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/httpsignature/HttpSignatureFilter.kt

@@ -8,9 +8,7 @@ import jakarta.servlet.http.HttpServletRequest
 import org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter
 import java.net.URL
 
-class HttpSignatureFilter(
+class HttpSignatureFilter(private val httpSignatureHeaderParser: SignatureHeaderParser) :
-    private val httpSignatureHeaderParser: SignatureHeaderParser
-) :
     AbstractPreAuthenticatedProcessingFilter() {
     override fun getPreAuthenticatedPrincipal(request: HttpServletRequest?): Any? {
         val headersList = request?.headerNames?.toList().orEmpty()

src/main/kotlin/dev/usbharu/hideout/core/service/user/UserServiceImpl.kt

@@ -114,10 +114,13 @@ class UserServiceImpl(
     }
 
     override suspend fun follow(id: Long, followerId: Long) {
+        logger.debug("START Follow id: {} → target: {}", followerId, id)
         followerQueryService.appendFollower(id, followerId)
         if (userRepository.findFollowRequestsById(id, followerId)) {
+            logger.debug("Follow request is accepted! ")
             userRepository.deleteFollowRequest(id, followerId)
         }
+        logger.debug("SUCCESS Follow id: {} → target: {}", followerId, id)
     }
 
     override suspend fun unfollow(id: Long, followerId: Long): Boolean {

src/main/kotlin/dev/usbharu/hideout/mastodon/infrastructure/exposedquery/StatusQueryServiceImpl.kt

@@ -4,9 +4,11 @@ import dev.usbharu.hideout.core.domain.model.media.toMediaAttachments
 import dev.usbharu.hideout.core.infrastructure.exposedrepository.*
 import dev.usbharu.hideout.domain.mastodon.model.generated.Account
 import dev.usbharu.hideout.domain.mastodon.model.generated.Status
+import dev.usbharu.hideout.domain.mastodon.model.generated.Status.Visibility.*
 import dev.usbharu.hideout.mastodon.interfaces.api.status.StatusQuery
 import dev.usbharu.hideout.mastodon.query.StatusQueryService
 import org.jetbrains.exposed.sql.ResultRow
+import org.jetbrains.exposed.sql.andWhere
 import org.jetbrains.exposed.sql.select
 import org.springframework.stereotype.Repository
 import java.time.Instant
@@ -40,6 +42,62 @@ class StatusQueryServiceImpl : StatusQueryService {
         }
     }
 
+    override suspend fun accountsStatus(
+        accountId: Long,
+        maxId: Long?,
+        sinceId: Long?,
+        minId: Long?,
+        limit: Int,
+        onlyMedia: Boolean,
+        excludeReplies: Boolean,
+        excludeReblogs: Boolean,
+        pinned: Boolean,
+        tagged: String?,
+        includeFollowers: Boolean
+    ): List<Status> {
+        val query = Posts
+            .leftJoin(PostsMedia)
+            .leftJoin(Users)
+            .leftJoin(Media)
+            .select { Posts.userId eq accountId }.limit(20)
+
+        if (maxId != null) {
+            query.andWhere { Posts.id eq maxId }
+        }
+        if (sinceId != null) {
+            query.andWhere { Posts.id eq sinceId }
+        }
+        if (minId != null) {
+            query.andWhere { Posts.id eq minId }
+        }
+        if (onlyMedia) {
+            query.andWhere { PostsMedia.mediaId.isNotNull() }
+        }
+        if (excludeReplies) {
+            query.andWhere { Posts.replyId.isNotNull() }
+        }
+        if (excludeReblogs) {
+            query.andWhere { Posts.repostId.isNotNull() }
+        }
+        if (includeFollowers) {
+            query.andWhere { Posts.visibility inList listOf(public.ordinal, unlisted.ordinal, private.ordinal) }
+        } else {
+            query.andWhere { Posts.visibility inList listOf(public.ordinal, unlisted.ordinal) }
+        }
+
+        val pairs = query.groupBy { it[Posts.id] }
+            .map { it.value }
+            .map {
+                toStatus(it.first()).copy(
+                    mediaAttachments = it.mapNotNull { resultRow ->
+                        resultRow.toMediaOrNull()?.toMediaAttachments()
+                    }
+                ) to it.first()[Posts.repostId]
+            }
+
+        return resolveReplyAndRepost(pairs)
+    }
+
     private fun resolveReplyAndRepost(pairs: List<Pair<Status, Long?>>): List<Status> {
         val statuses = pairs.map { it.first }
         return pairs
@@ -111,11 +169,11 @@ private fun toStatus(it: ResultRow) = Status(
     ),
     content = it[Posts.text],
     visibility = when (it[Posts.visibility]) {
-        0 -> Status.Visibility.public
+        0 -> public
-        1 -> Status.Visibility.unlisted
+        1 -> unlisted
-        2 -> Status.Visibility.private
+        2 -> private
-        3 -> Status.Visibility.direct
+        3 -> direct
-        else -> Status.Visibility.public
+        else -> public
     },
     sensitive = it[Posts.sensitive],
     spoilerText = it[Posts.overview].orEmpty(),

src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/account/MastodonAccountApiController.kt

@@ -3,8 +3,11 @@ package dev.usbharu.hideout.mastodon.interfaces.api.account
 import dev.usbharu.hideout.application.external.Transaction
 import dev.usbharu.hideout.controller.mastodon.generated.AccountApi
 import dev.usbharu.hideout.core.service.user.UserCreateDto
-import dev.usbharu.hideout.domain.mastodon.model.generated.CredentialAccount
+import dev.usbharu.hideout.domain.mastodon.model.generated.*
 import dev.usbharu.hideout.mastodon.service.account.AccountApiService
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.asFlow
+import kotlinx.coroutines.runBlocking
 import org.springframework.http.HttpHeaders
 import org.springframework.http.HttpStatus
 import org.springframework.http.ResponseEntity
@@ -18,6 +21,19 @@ class MastodonAccountApiController(
     private val accountApiService: AccountApiService,
     private val transaction: Transaction
 ) : AccountApi {
+
+    override suspend fun apiV1AccountsIdFollowPost(
+        id: String,
+        followRequestBody: FollowRequestBody?
+    ): ResponseEntity<Relationship> {
+        val principal = SecurityContextHolder.getContext().getAuthentication().principal as Jwt
+
+        return ResponseEntity.ok(accountApiService.follow(principal.getClaim<String>("uid").toLong(), id.toLong()))
+    }
+
+    override suspend fun apiV1AccountsIdGet(id: String): ResponseEntity<Account> =
+        ResponseEntity.ok(accountApiService.account(id.toLong()))
+
     override suspend fun apiV1AccountsVerifyCredentialsGet(): ResponseEntity<CredentialAccount> {
         val principal = SecurityContextHolder.getContext().getAuthentication().principal as Jwt
 
@@ -42,4 +58,49 @@ class MastodonAccountApiController(
         httpHeaders.location = URI("/users/$username")
         return ResponseEntity(Unit, httpHeaders, HttpStatus.FOUND)
     }
+
+    override fun apiV1AccountsIdStatusesGet(
+        id: String,
+        maxId: String?,
+        sinceId: String?,
+        minId: String?,
+        limit: Int,
+        onlyMedia: Boolean,
+        excludeReplies: Boolean,
+        excludeReblogs: Boolean,
+        pinned: Boolean,
+        tagged: String?
+    ): ResponseEntity<Flow<Status>> = runBlocking {
+        val principal = SecurityContextHolder.getContext().getAuthentication().principal as Jwt
+
+        val userid = principal.getClaim<String>("uid").toLong()
+        val statusFlow = accountApiService.accountsStatuses(
+            id.toLong(),
+            maxId?.toLongOrNull(),
+            sinceId?.toLongOrNull(),
+            minId?.toLongOrNull(),
+            limit,
+            onlyMedia,
+            excludeReplies,
+            excludeReblogs,
+            pinned,
+            tagged,
+            userid
+        ).asFlow()
+        ResponseEntity.ok(statusFlow)
+    }
+
+    override fun apiV1AccountsRelationshipsGet(
+        id: List<String>?,
+        withSuspended: Boolean
+    ): ResponseEntity<Flow<Relationship>> = runBlocking {
+        val principal = SecurityContextHolder.getContext().getAuthentication().principal as Jwt
+
+        val userid = principal.getClaim<String>("uid").toLong()
+
+        ResponseEntity.ok(
+            accountApiService.relationships(userid, id.orEmpty().mapNotNull { it.toLongOrNull() }, withSuspended)
+                .asFlow()
+        )
+    }
 }

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

@@ -6,4 +6,34 @@ import dev.usbharu.hideout.mastodon.interfaces.api.status.StatusQuery
 interface StatusQueryService {
     suspend fun findByPostIds(ids: List<Long>): List<Status>
     suspend fun findByPostIdsWithMediaIds(statusQueries: List<StatusQuery>): List<Status>
+
+    /**
+     * アカウントの投稿一覧を取得します
+     *
+     * @param accountId 対象アカウントのid
+     * @param maxId 投稿の最大id
+     * @param sinceId 投稿の最小id
+     * @param minId 不明
+     * @param limit 投稿の最大件数
+     * @param onlyMedia メディア付き投稿のみ
+     * @param excludeReplies 返信を除外
+     * @param excludeReblogs リブログを除外
+     * @param pinned ピン止め投稿のみ
+     * @param tagged タグ付き?
+     * @param includeFollowers フォロワー限定投稿を含める
+     */
+    @Suppress("LongParameterList")
+    suspend fun accountsStatus(
+        accountId: Long,
+        maxId: Long? = null,
+        sinceId: Long? = null,
+        minId: Long? = null,
+        limit: Int,
+        onlyMedia: Boolean = false,
+        excludeReplies: Boolean = false,
+        excludeReblogs: Boolean = false,
+        pinned: Boolean = false,
+        tagged: String? = null,
+        includeFollowers: Boolean = false
+    ): List<Status>
 }

src/main/kotlin/dev/usbharu/hideout/mastodon/service/account/AccountApiService.kt

@@ -1,27 +1,87 @@
 package dev.usbharu.hideout.mastodon.service.account
 
 import dev.usbharu.hideout.application.external.Transaction
+import dev.usbharu.hideout.core.domain.model.user.UserRepository
+import dev.usbharu.hideout.core.query.FollowerQueryService
 import dev.usbharu.hideout.core.service.user.UserCreateDto
 import dev.usbharu.hideout.core.service.user.UserService
-import dev.usbharu.hideout.domain.mastodon.model.generated.Account
+import dev.usbharu.hideout.domain.mastodon.model.generated.*
-import dev.usbharu.hideout.domain.mastodon.model.generated.CredentialAccount
+import dev.usbharu.hideout.mastodon.query.StatusQueryService
-import dev.usbharu.hideout.domain.mastodon.model.generated.CredentialAccountSource
+import org.slf4j.LoggerFactory
-import dev.usbharu.hideout.domain.mastodon.model.generated.Role
 import org.springframework.stereotype.Service
+import kotlin.math.min
 
 @Service
 interface AccountApiService {
+    suspend fun accountsStatuses(
+        userid: Long,
+        maxId: Long?,
+        sinceId: Long?,
+        minId: Long?,
+        limit: Int,
+        onlyMedia: Boolean,
+        excludeReplies: Boolean,
+        excludeReblogs: Boolean,
+        pinned: Boolean,
+        tagged: String?,
+        loginUser: Long?
+    ): List<Status>
+
     suspend fun verifyCredentials(userid: Long): CredentialAccount
     suspend fun registerAccount(userCreateDto: UserCreateDto): Unit
+    suspend fun follow(userid: Long, followeeId: Long): Relationship
+    suspend fun account(id: Long): Account
+    suspend fun relationships(userid: Long, id: List<Long>, withSuspended: Boolean): List<Relationship>
 }
 
 @Service
 class AccountApiServiceImpl(
     private val accountService: AccountService,
     private val transaction: Transaction,
-    private val userService: UserService
+    private val userService: UserService,
+    private val followerQueryService: FollowerQueryService,
+    private val userRepository: UserRepository,
+    private val statusQueryService: StatusQueryService
 ) :
     AccountApiService {
+    override suspend fun accountsStatuses(
+        userid: Long,
+        maxId: Long?,
+        sinceId: Long?,
+        minId: Long?,
+        limit: Int,
+        onlyMedia: Boolean,
+        excludeReplies: Boolean,
+        excludeReblogs: Boolean,
+        pinned: Boolean,
+        tagged: String?,
+        loginUser: Long?
+    ): List<Status> {
+        val canViewFollowers = if (loginUser == null) {
+            false
+        } else {
+            transaction.transaction {
+                followerQueryService.alreadyFollow(userid, loginUser)
+            }
+        }
+
+        return transaction.transaction {
+            statusQueryService.accountsStatus(
+                userid,
+                maxId,
+                sinceId,
+                minId,
+                limit,
+                onlyMedia,
+                excludeReplies,
+                excludeReblogs,
+                pinned,
+                tagged,
+                canViewFollowers
+            )
+        }
+    }
+
     override suspend fun verifyCredentials(userid: Long): CredentialAccount = transaction.transaction {
         val account = accountService.findById(userid)
         from(account)
@@ -31,6 +91,75 @@ class AccountApiServiceImpl(
         userService.createLocalUser(UserCreateDto(userCreateDto.name, userCreateDto.name, "", userCreateDto.password))
     }
 
+    override suspend fun follow(userid: Long, followeeId: Long): Relationship = transaction.transaction {
+        val alreadyFollow = followerQueryService.alreadyFollow(followeeId, userid)
+
+        val followRequest = if (alreadyFollow) {
+            true
+        } else {
+            userService.followRequest(followeeId, userid)
+        }
+
+        val alreadyFollow1 = followerQueryService.alreadyFollow(userid, followeeId)
+
+        val followRequestsById = userRepository.findFollowRequestsById(followeeId, userid)
+
+        return@transaction Relationship(
+            followeeId.toString(),
+            followRequest,
+            true,
+            false,
+            alreadyFollow1,
+            false,
+            false,
+            false,
+            false,
+            followRequestsById,
+            false,
+            false,
+            ""
+        )
+    }
+
+    override suspend fun account(id: Long): Account = transaction.transaction {
+        return@transaction accountService.findById(id)
+    }
+
+    override suspend fun relationships(userid: Long, id: List<Long>, withSuspended: Boolean): List<Relationship> =
+        transaction.transaction {
+            if (id.isEmpty()) {
+                return@transaction emptyList()
+            }
+
+            logger.warn("id is too long! ({}) truncate to 20", id.size)
+
+            val subList = id.subList(0, min(id.size, 20))
+
+            return@transaction subList.map {
+                val alreadyFollow = followerQueryService.alreadyFollow(userid, it)
+
+                val followed = followerQueryService.alreadyFollow(it, userid)
+
+                val requested = userRepository.findFollowRequestsById(it, userid)
+
+                Relationship(
+                    id = it.toString(),
+                    following = alreadyFollow,
+                    showingReblogs = true,
+                    notifying = false,
+                    followedBy = followed,
+                    blocking = false,
+                    blockedBy = false,
+                    muting = false,
+                    mutingNotifications = false,
+                    requested = requested,
+                    domainBlocking = false,
+                    endorsed = false,
+                    note = ""
+                )
+            }
+        }
+
     private fun from(account: Account): CredentialAccount {
         return CredentialAccount(
             id = account.id,
@@ -68,4 +197,8 @@ class AccountApiServiceImpl(
             role = Role(0, "Admin", "", 32)
         )
     }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(AccountApiServiceImpl::class.java)
+    }
 }

src/main/kotlin/dev/usbharu/hideout/mastodon/service/account/AccountService.kt

@@ -1,5 +1,6 @@
 package dev.usbharu.hideout.mastodon.service.account
 
+import dev.usbharu.hideout.application.config.ApplicationConfig
 import dev.usbharu.hideout.core.query.UserQueryService
 import dev.usbharu.hideout.domain.mastodon.model.generated.Account
 import org.springframework.stereotype.Service
@@ -10,9 +11,14 @@ interface AccountService {
 }
 
 @Service
-class AccountServiceImpl(private val userQueryService: UserQueryService) : AccountService {
+class AccountServiceImpl(
+    private val userQueryService: UserQueryService,
+    private val applicationConfig: ApplicationConfig
+) : AccountService {
     override suspend fun findById(id: Long): Account {
         val findById = userQueryService.findById(id)
+        val userUrl = applicationConfig.url.toString() + "/users/" + findById.id.toString()
+
         return Account(
             id = findById.id.toString(),
             username = findById.name,
@@ -20,10 +26,10 @@ class AccountServiceImpl(private val userQueryService: UserQueryService) : Accou
             url = findById.url,
             displayName = findById.screenName,
             note = findById.description,
-            avatar = findById.url + "/icon.jpg",
+            avatar = "$userUrl/icon.jpg",
-            avatarStatic = findById.url + "/icon.jpg",
+            avatarStatic = "$userUrl/icon.jpg",
-            header = findById.url + "/header.jpg",
+            header = "$userUrl/header.jpg",
-            headerStatic = findById.url + "/header.jpg",
+            headerStatic = "$userUrl/header.jpg",
             locked = false,
             fields = emptyList(),
             emojis = emptyList(),

src/main/kotlin/dev/usbharu/hideout/mastodon/service/app/AppApiService.kt

@@ -13,7 +13,6 @@ import org.springframework.security.oauth2.server.authorization.settings.ClientS
 import org.springframework.security.oauth2.server.authorization.settings.TokenSettings
 import org.springframework.stereotype.Service
 import java.time.Duration
-import java.time.Instant
 import java.util.*
 
 @Service
@@ -46,7 +45,7 @@ class AppApiServiceImpl(
                 .tokenSettings(
                     TokenSettings.builder()
                         .accessTokenTimeToLive(
-                            Duration.ofSeconds((Instant.MAX.epochSecond - Instant.now().epochSecond - 10000) / 1000)
+                            Duration.ofSeconds(31536000000)
                         )
                         .build()
                 )
@@ -60,7 +59,8 @@ class AppApiServiceImpl(
                 "invalid-vapid-key",
                 appsRequest.website,
                 id,
-                clientSecret
+                clientSecret,
+                appsRequest.redirectUris
             )
         }
     }

src/main/resources/application.yml

@@ -36,7 +36,7 @@ spring:
       max-request-size: 40MB
   h2:
     console:
-      enabled: false
+      enabled: true
 server:
   tomcat:
     basedir: tomcat

src/main/resources/db/migration/V1__Init_DB.sql

@@ -31,7 +31,7 @@ create table if not exists users
     "following" varchar(1000)  null,
     followers   varchar(1000)  null,
     "instance"  bigint         null,
-    unique (name, domain),
+    unique ("name", "domain"),
     constraint fk_users_instance__id foreign key ("instance") references instance (id) on delete restrict on update restrict
 );
 create table if not exists follow_requests

src/main/resources/logback.xml

@@ -4,7 +4,7 @@
             <pattern>%d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level [%X{x-request-id}] %logger{36} - %msg%n</pattern>
         </encoder>
     </appender>
-    <root level="INFO">
+    <root level="DEBUG">
         <appender-ref ref="STDOUT"/>
     </root>
     <logger name="org.eclipse.jetty" level="INFO"/>
@@ -12,7 +12,7 @@
     <logger name="kjob.core.internal.scheduler.JobServiceImpl" level="INFO"/>
     <logger name="Exposed" level="INFO"/>
     <logger name="io.ktor.server.plugins.contentnegotiation" level="INFO"/>
-    <logger name="org.springframework.web.filter.CommonsRequestLoggingFilter" level="INFO"/>
+    <logger name="org.springframework.web.filter.CommonsRequestLoggingFilter" level="DEBUG"/>
     <logger name="org.mongodb.driver.protocol.command" level="INFO"/>
     <logger name="dev.usbharu" level="TRACE"/>
 </configuration>

src/main/resources/openapi/mastodon.yaml

@@ -206,6 +206,161 @@ paths:
         200:
           description: 成功
 
+  /api/v1/accounts/relationships:
+    get:
+      tags:
+        - account
+      security:
+        - OAuth2:
+            - "read:follows"
+      parameters:
+        - in: query
+          name: id[]
+          required: false
+          schema:
+            type: array
+            items:
+              type: string
+        - in: query
+          name: with_suspended
+          required: false
+          schema:
+            type: boolean
+            default: false
+      responses:
+        200:
+          description: 成功
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/Relationship"
+
+  /api/v1/accounts/{id}:
+    get:
+      tags:
+        - account
+      security:
+        - { }
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema:
+            type: string
+      responses:
+        200:
+          description: 成功
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Account"
+
+  /api/v1/accounts/{id}/follow:
+    post:
+      tags:
+        - account
+      security:
+        - OAuth2:
+            - "write:follows"
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: false
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/FollowRequestBody"
+          application/x-www-form-urlencoded:
+            schema:
+              $ref: "#/components/schemas/FollowRequestBody"
+      responses:
+        200:
+          description: 成功
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Relationship"
+
+  /api/v1/accounts/{id}/statuses:
+    get:
+      tags:
+        - account
+      security:
+        - OAuth2:
+            - "read:statuses"
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema:
+            type: string
+        - in: query
+          name: max_id
+          required: false
+          schema:
+            type: string
+        - in: query
+          name: since_id
+          required: false
+          schema:
+            type: string
+        - in: query
+          name: min_id
+          required: false
+          schema:
+            type: string
+        - in: query
+          name: limit
+          required: false
+          schema:
+            type: integer
+            default: 20
+        - in: query
+          name: only_media
+          required: false
+          schema:
+            type: boolean
+            default: false
+        - in: query
+          name: exclude_replies
+          required: false
+          schema:
+            type: boolean
+            default: false
+        - in: query
+          name: exclude_reblogs
+          required: false
+          schema:
+            type: boolean
+            default: false
+        - in: query
+          name: pinned
+          required: false
+          schema:
+            type: boolean
+            default: false
+        - in: query
+          required: false
+          name: tagged
+          schema:
+            type: string
+
+      responses:
+        200:
+          description: 成功
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: "#/components/schemas/Status"
+
   /api/v1/timelines/public:
     get:
       tags:
@@ -1314,6 +1469,8 @@ components:
           type: string
         client_secret:
           type: string
+        redirect_uri:
+          type: string
       required:
         - name
         - vapid_key
@@ -1333,6 +1490,65 @@ components:
         - client_name
         - redirect_uris
 
+    Relationship:
+      type: object
+      properties:
+        id:
+          type: string
+        following:
+          type: boolean
+        showing_reblogs:
+          type: boolean
+        notifying:
+          type: boolean
+        followed_by:
+          type: boolean
+        blocking:
+          type: boolean
+        blocked_by:
+          type: boolean
+        muting:
+          type: boolean
+        muting_notifications:
+          type: boolean
+        requested:
+          type: boolean
+        domain_blocking:
+          type: boolean
+        endorsed:
+          type: boolean
+        note:
+          type: string
+      required:
+        - id
+        - following
+        - showing_reblogs
+        - notifying
+        - followed_by
+        - blocking
+        - blocked_by
+        - muting
+        - muting_notifications
+        - requested
+        - domain_blocking
+        - endorsed
+        - note
+
+
+    FollowRequestBody:
+      type: object
+      properties:
+        reblogs:
+          type: boolean
+          default: true
+        notify:
+          type: boolean
+          default: false
+        languages:
+          type: array
+          items:
+            type: string
+
   securitySchemes:
     OAuth2:
       type: oauth2

src/test/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/account/MastodonAccountApiControllerTest.kt

@@ -125,4 +125,20 @@ class MastodonAccountApiControllerTest {
             .andExpect { header { string("location", "/users/hoge") } }
             .andExpect { status { isFound() } }
     }
+
+    @Test
+    fun `apiV1AccountsIdFollowPost フォロー成功時は200が返ってくる`() {
+        val createEmptyContext = SecurityContextHolder.createEmptyContext()
+        createEmptyContext.authentication = JwtAuthenticationToken(
+            Jwt.withTokenValue("a").header("alg", "RS236").claim("uid", "1234").build()
+        )
+        SecurityContextHolder.setContext(createEmptyContext)
+        mockMvc
+            .post("/api/v1/accounts/1/follow") {
+                contentType = MediaType.APPLICATION_JSON
+            }
+            .asyncDispatch()
+            .andExpect { status { isOk() } }
+
+    }
 }

src/test/kotlin/dev/usbharu/hideout/mastodon/service/account/AccountApiServiceImplTest.kt

@@ -0,0 +1,330 @@
+package dev.usbharu.hideout.mastodon.service.account
+
+import dev.usbharu.hideout.application.external.Transaction
+import dev.usbharu.hideout.core.domain.model.user.UserRepository
+import dev.usbharu.hideout.core.query.FollowerQueryService
+import dev.usbharu.hideout.core.service.user.UserService
+import dev.usbharu.hideout.domain.mastodon.model.generated.Account
+import dev.usbharu.hideout.domain.mastodon.model.generated.Relationship
+import dev.usbharu.hideout.domain.mastodon.model.generated.Status
+import dev.usbharu.hideout.mastodon.query.StatusQueryService
+import kotlinx.coroutines.test.runTest
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.mockito.InjectMocks
+import org.mockito.Mock
+import org.mockito.Spy
+import org.mockito.junit.jupiter.MockitoExtension
+import org.mockito.kotlin.*
+import utils.TestTransaction
+
+@ExtendWith(MockitoExtension::class)
+class AccountApiServiceImplTest {
+
+    @Mock
+    private lateinit var accountService: AccountService
+
+    @Mock
+    private lateinit var userService: UserService
+
+    @Mock
+    private lateinit var userRepository: UserRepository
+
+    @Mock
+    private lateinit var followerQueryService: FollowerQueryService
+
+    @Mock
+    private lateinit var statusQueryService: StatusQueryService
+
+    @Spy
+    private val transaction: Transaction = TestTransaction
+
+    @InjectMocks
+    private lateinit var accountApiServiceImpl: AccountApiServiceImpl
+
+    private val statusList = listOf(
+        Status(
+            id = "",
+            uri = "",
+            createdAt = "",
+            account = Account(
+                id = "",
+                username = "",
+                acct = "",
+                url = "",
+                displayName = "",
+                note = "",
+                avatar = "",
+                avatarStatic = "",
+                header = "",
+                headerStatic = "",
+                locked = false,
+                fields = emptyList(),
+                emojis = emptyList(),
+                bot = false,
+                group = false,
+                discoverable = true,
+                createdAt = "",
+                lastStatusAt = "",
+                statusesCount = 0,
+                followersCount = 0,
+                noindex = false,
+                moved = false,
+                suspendex = false,
+                limited = false,
+                followingCount = 0
+            ),
+            content = "",
+            visibility = Status.Visibility.public,
+            sensitive = false,
+            spoilerText = "",
+            mediaAttachments = emptyList(),
+            mentions = emptyList(),
+            tags = emptyList(),
+            emojis = emptyList(),
+            reblogsCount = 0,
+            favouritesCount = 0,
+            repliesCount = 0,
+            url = "https://example.com",
+            inReplyToId = null,
+            inReplyToAccountId = null,
+            language = "ja_JP",
+            text = "Test",
+            editedAt = null
+        )
+    )
+
+    @Test
+    fun `accountsStatuses 非ログイン時は非公開投稿を見れない`() = runTest {
+        val userId = 1234L
+
+        whenever(
+            statusQueryService.accountsStatus(
+                accountId = eq(userId),
+                maxId = isNull(),
+                sinceId = isNull(),
+                minId = isNull(),
+                limit = eq(20),
+                onlyMedia = eq(false),
+                excludeReplies = eq(false),
+                excludeReblogs = eq(false),
+                pinned = eq(false),
+                tagged = isNull(),
+                includeFollowers = eq(false)
+            )
+        ).doReturn(
+            statusList
+        )
+
+
+        val accountsStatuses = accountApiServiceImpl.accountsStatuses(
+            userid = userId,
+            maxId = null,
+            sinceId = null,
+            minId = null,
+            limit = 20,
+            onlyMedia = false,
+            excludeReplies = false,
+            excludeReblogs = false,
+            pinned = false,
+            tagged = null,
+            loginUser = null
+        )
+
+        assertThat(accountsStatuses).hasSize(1)
+
+        verify(followerQueryService, never()).alreadyFollow(any(), any())
+    }
+
+    @Test
+    fun `accountsStatuses ログイン時フォロワーじゃない場合は非公開投稿を見れない`() = runTest {
+        val userId = 1234L
+        val loginUser = 1L
+        whenever(
+            statusQueryService.accountsStatus(
+                accountId = eq(userId),
+                maxId = isNull(),
+                sinceId = isNull(),
+                minId = isNull(),
+                limit = eq(20),
+                onlyMedia = eq(false),
+                excludeReplies = eq(false),
+                excludeReblogs = eq(false),
+                pinned = eq(false),
+                tagged = isNull(),
+                includeFollowers = eq(false)
+            )
+        ).doReturn(statusList)
+
+        whenever(followerQueryService.alreadyFollow(eq(userId), eq(loginUser))).doReturn(false)
+
+
+        val accountsStatuses = accountApiServiceImpl.accountsStatuses(
+            userid = userId,
+            maxId = null,
+            sinceId = null,
+            minId = null,
+            limit = 20,
+            onlyMedia = false,
+            excludeReplies = false,
+            excludeReblogs = false,
+            pinned = false,
+            tagged = null,
+            loginUser = loginUser
+        )
+
+        assertThat(accountsStatuses).hasSize(1)
+    }
+
+    @Test
+    fun `accountsStatuses ログイン時フォロワーの場合は非公開投稿を見れる`() = runTest {
+        val userId = 1234L
+        val loginUser = 2L
+        whenever(
+            statusQueryService.accountsStatus(
+                accountId = eq(userId),
+                maxId = isNull(),
+                sinceId = isNull(),
+                minId = isNull(),
+                limit = eq(20),
+                onlyMedia = eq(false),
+                excludeReplies = eq(false),
+                excludeReblogs = eq(false),
+                pinned = eq(false),
+                tagged = isNull(),
+                includeFollowers = eq(true)
+            )
+        ).doReturn(statusList)
+
+        whenever(followerQueryService.alreadyFollow(eq(userId), eq(loginUser))).doReturn(true)
+
+
+        val accountsStatuses = accountApiServiceImpl.accountsStatuses(
+            userid = userId,
+            maxId = null,
+            sinceId = null,
+            minId = null,
+            limit = 20,
+            onlyMedia = false,
+            excludeReplies = false,
+            excludeReblogs = false,
+            pinned = false,
+            tagged = null,
+            loginUser = loginUser
+        )
+
+        assertThat(accountsStatuses).hasSize(1)
+    }
+
+    @Test
+    fun `follow 既にフォローしている場合は何もしない`() = runTest {
+        val userId = 1234L
+        val followeeId = 1L
+
+        whenever(followerQueryService.alreadyFollow(eq(followeeId), eq(userId))).doReturn(true)
+
+        whenever(followerQueryService.alreadyFollow(eq(userId), eq(followeeId))).doReturn(true)
+
+        whenever(userRepository.findFollowRequestsById(eq(followeeId), eq(userId))).doReturn(false)
+
+        val follow = accountApiServiceImpl.follow(userId, followeeId)
+
+        val expected = Relationship(
+            id = followeeId.toString(),
+            following = true,
+            showingReblogs = true,
+            notifying = false,
+            followedBy = true,
+            blocking = false,
+            blockedBy = false,
+            muting = false,
+            mutingNotifications = false,
+            requested = false,
+            domainBlocking = false,
+            endorsed = false,
+            note = ""
+        )
+        assertThat(follow).isEqualTo(expected)
+
+        verify(userService, never()).followRequest(any(), any())
+    }
+
+    @Test
+    fun `follow 未フォローの場合フォローリクエストが発生する`() = runTest {
+        val userId = 1234L
+        val followeeId = 1L
+
+        whenever(followerQueryService.alreadyFollow(eq(followeeId), eq(userId))).doReturn(false)
+
+        whenever(userService.followRequest(eq(followeeId), eq(userId))).doReturn(true)
+
+        whenever(followerQueryService.alreadyFollow(eq(userId), eq(followeeId))).doReturn(true)
+
+        whenever(userRepository.findFollowRequestsById(eq(followeeId), eq(userId))).doReturn(false)
+
+        val follow = accountApiServiceImpl.follow(userId, followeeId)
+
+        val expected = Relationship(
+            id = followeeId.toString(),
+            following = true,
+            showingReblogs = true,
+            notifying = false,
+            followedBy = true,
+            blocking = false,
+            blockedBy = false,
+            muting = false,
+            mutingNotifications = false,
+            requested = false,
+            domainBlocking = false,
+            endorsed = false,
+            note = ""
+        )
+        assertThat(follow).isEqualTo(expected)
+
+        verify(userService, times(1)).followRequest(eq(followeeId), eq(userId))
+    }
+
+    @Test
+    fun `relationships idが長すぎたら省略する`() = runTest {
+        whenever(followerQueryService.alreadyFollow(any(), any())).doReturn(true)
+
+        whenever(userRepository.findFollowRequestsById(any(), any())).doReturn(true)
+
+        val relationships = accountApiServiceImpl.relationships(
+            userid = 1234L,
+            id = (1..30L).toList(),
+            withSuspended = false
+        )
+
+        assertThat(relationships).hasSizeLessThanOrEqualTo(20)
+    }
+
+    @Test
+    fun `relationships id0の場合即時return`() = runTest {
+        val relationships = accountApiServiceImpl.relationships(
+            userid = 1234L,
+            id = emptyList(),
+            withSuspended = false
+        )
+
+        assertThat(relationships).hasSize(0)
+        verify(followerQueryService, never()).alreadyFollow(any(), any())
+        verify(userRepository, never()).findFollowRequestsById(any(), any())
+    }
+
+    @Test
+    fun `relationships idに指定されたアカウントの関係を取得する`() = runTest {
+        whenever(followerQueryService.alreadyFollow(any(), any())).doReturn(true)
+
+        whenever(userRepository.findFollowRequestsById(any(), any())).doReturn(true)
+
+        val relationships = accountApiServiceImpl.relationships(
+            userid = 1234L,
+            id = (1..15L).toList(),
+            withSuspended = false
+        )
+
+        assertThat(relationships).hasSize(15)
+    }
+}