feat: stargazers 조회 api를 추가한다

build.gradle

@@ -23,7 +23,7 @@ test {
 }
 
 application {
-    mainClassName = 'org.gitanimals.render.Application'
+    mainClassName = 'org.gitanimals.Application'
 }
 
 sentry {

src/main/kotlin/org/gitanimals/render/Application.kt → src/main/kotlin/org/gitanimals/Application.kt

@@ -1,4 +1,4 @@
-package org.gitanimals.render
+package org.gitanimals
 
 import org.rooftop.netx.meta.EnableSaga
 import org.springframework.boot.SpringApplication

src/main/kotlin/org/gitanimals/star/controller/StargazerController.kt

@@ -0,0 +1,19 @@
+package org.gitanimals.star.controller
+
+import org.gitanimals.star.domain.StargazerService
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+class StargazerController(
+    private val stargazerService: StargazerService,
+) {
+
+    @GetMapping("/stargazers/{login}/press")
+    fun isPressStar(@PathVariable("login") login: String): Map<String, Boolean> {
+        val isPressStar = stargazerService.existsByLogin(login)
+
+        return mapOf("isPressStar" to isPressStar)
+    }
+}

src/main/kotlin/org/gitanimals/star/domain/Stargazer.kt

@@ -0,0 +1,12 @@
+package org.gitanimals.star.domain
+
+import jakarta.persistence.Column
+import jakarta.persistence.Entity
+import jakarta.persistence.Id
+
+@Entity
+class Stargazer(
+    @Id
+    @Column(name = "login")
+    val login: String,
+)

src/main/kotlin/org/gitanimals/star/domain/StargazerService.kt

@@ -0,0 +1,26 @@
+package org.gitanimals.star.domain
+
+import jakarta.persistence.EntityManager
+import org.springframework.cache.annotation.Cacheable
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+@Transactional(readOnly = true)
+class StargazerService(
+    private val stargazersRepository: StargazersRepository,
+    private val entityManager: EntityManager,
+) {
+
+    @Cacheable(value = ["exists_by_login_cache"])
+    fun existsByLogin(login: String): Boolean = stargazersRepository.existsById(login)
+
+    @Transactional
+    fun updateAll(logins: List<String>) {
+        stargazersRepository.deleteAllInBatch()
+
+        logins.map { entityManager.persist(Stargazer(it)) }
+        entityManager.flush()
+        entityManager.clear()
+    }
+}

src/main/kotlin/org/gitanimals/star/domain/StargazersRepository.kt

@@ -0,0 +1,5 @@
+package org.gitanimals.star.domain
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface StargazersRepository : JpaRepository<Stargazer, String>

src/main/kotlin/org/gitanimals/star/infra/GithubStargazerApi.kt

@@ -0,0 +1,92 @@
+package org.gitanimals.star.infra
+
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.core.io.ClassPathResource
+import org.springframework.http.HttpHeaders
+import org.springframework.stereotype.Component
+import org.springframework.web.client.RestClient
+import java.nio.charset.Charset
+
+@Component
+class GithubStargazerApi(
+    @Value("\${github.token}") private val token: String,
+) {
+
+    private val restClient = RestClient.create("https://api.github.com/graphql")
+
+    fun getStargazers(): List<StargazersResponse> {
+        val stargazers = mutableListOf(getStargazer(""))
+
+        while (stargazers.last().pageInfo.hasNextPage) {
+            val stargazer = getStargazer(stargazers.last().pageInfo.endCursor)
+            stargazers.add(stargazer)
+        }
+
+        return stargazers
+    }
+
+    private fun getStargazer(endCursor: String): StargazersResponse {
+        return restClient.post()
+            .header(HttpHeaders.AUTHORIZATION, "Bearer $token")
+            .body(
+                mapOf(
+                    "query" to stargazerQuery.replaceFirst("*{endCursor}", endCursor)
+                )
+            ).exchange { _, response ->
+                assertIsSuccess(response)
+
+                response.bodyTo(GithubStargazerGraphqlResponse::class.java)!!
+                    .data
+                    .repository
+                    .stargazers
+            }
+    }
+
+    private fun assertIsSuccess(response: RestClient.RequestHeadersSpec.ConvertibleClientHttpResponse) {
+        require(response.statusCode.is2xxSuccessful) {
+            "Bad request cause status : \"${response.statusText}\" message : \"${
+                response.bodyTo(
+                    String::class.java
+                )
+            }\""
+        }
+    }
+
+    companion object {
+        private val stargazerQuery: String =
+            ClassPathResource("github-graphql/stargazer.graphql")
+                .getContentAsString(Charset.defaultCharset())
+    }
+}
+
+data class GithubStargazerGraphqlResponse(
+    val data: Data,
+) {
+    data class Data(
+        val repository: Repository,
+    ) {
+        data class Repository(
+            val stargazers: StargazersResponse,
+        )
+    }
+}
+
+data class StargazersResponse(
+    val edges: List<StarPushedPeople>,
+    val pageInfo: PageInfo,
+) {
+
+    data class StarPushedPeople(
+        val starredAt: String,
+        val node: Node,
+    ) {
+        data class Node(
+            val login: String,
+        )
+    }
+
+    data class PageInfo(
+        val endCursor: String,
+        val hasNextPage: Boolean,
+    )
+}

src/main/kotlin/org/gitanimals/star/infra/StargazerBatchJob.kt

@@ -0,0 +1,36 @@
+package org.gitanimals.star.infra
+
+import org.gitanimals.star.domain.StargazerService
+import org.springframework.boot.context.event.ApplicationStartedEvent
+import org.springframework.context.event.EventListener
+import org.springframework.scheduling.annotation.Scheduled
+import org.springframework.stereotype.Service
+
+@Service
+class StargazerBatchJob(
+    private val githubStargazerApi: GithubStargazerApi,
+    private val stargazerService: StargazerService,
+) {
+
+    @EventListener(ApplicationStartedEvent::class)
+    fun initStargazer() {
+        updateStargazer()
+    }
+
+    @Scheduled(cron = EVERY_DAY)
+    fun updateStargazer() {
+        val stargazers = githubStargazerApi.getStargazers()
+        stargazerService.updateAll(
+            stargazers.flatMap { stargazer ->
+                stargazer.edges.map { edge ->
+                    edge.node.login
+                }
+            }
+        )
+    }
+
+
+    companion object {
+        private const val EVERY_DAY = "0 0 * * * ?"
+    }
+}

src/main/resources/github-graphql/stargazer.graphql

@@ -0,0 +1,18 @@
+query {
+    repository(owner: "git-goods", name: "gitanimals") {
+        stargazers(first: 100, after: "*{endCursor}") {
+            edges {
+                starredAt
+                node {
+                    login
+                    name
+                    url
+                }
+            }
+            pageInfo {
+                endCursor
+                hasNextPage
+            }
+        }
+    }
+}

src/test/kotlin/org/gitanimals/render/app/UserStatisticScheduleTest.kt

@@ -2,7 +2,7 @@ package org.gitanimals.render.app
 
 import io.kotest.assertions.nondeterministic.eventually
 import io.kotest.core.spec.style.DescribeSpec
-import org.gitanimals.render.Application
+import org.gitanimals.Application
 import org.gitanimals.render.supports.RedisContainer
 import org.gitanimals.render.supports.SagaCapture
 import org.springframework.boot.test.context.SpringBootTest