[feat #71] 알림 기초 작업 (#73)

* chore : Firebase 라이브러리 추가

* feat : Alert 도메인모델, 엔티티

* feat : 알림 전송 로직 구현

* remove : 기존에 있던 파베 설정클래스 제거

* edit : Content 응답 통일 (categpry 관련)

* feat : CategoryInfo 생성

adapters/in-web/src/main/kotlin/com/pokit/content/dto/response/ContentsResponse.kt

@@ -1,5 +1,6 @@
 package com.pokit.content.dto.response
 
+
 import com.pokit.category.model.RemindCategory
 import java.time.format.DateTimeFormatter
 

adapters/out-persistence/src/main/kotlin/com/pokit/out/persistence/alert/persist/AlertEntity.kt

@@ -0,0 +1,52 @@
+package com.pokit.out.persistence.alert.persist
+
+import com.pokit.alert.model.Alert
+import com.pokit.content.model.ContentInfo
+import com.pokit.out.persistence.BaseEntity
+import jakarta.persistence.*
+
+@Table(name = "ALERT")
+@Entity
+class AlertEntity(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "id")
+    val id: Long = 0L,
+
+    @Column(name = "user_id")
+    val userId: Long,
+
+    @Column(name = "content_id")
+    val contentId: Long,
+
+    @Column(name = "content_thumb_nail")
+    val contentThumbNail: String,
+
+    @Column(name = "title")
+    val title: String,
+
+    @Column(name = "body")
+    val body: String,
+
+    @Column(name = "is_deleted")
+    val deleted: Boolean = false
+
+) : BaseEntity() {
+    companion object {
+        fun of(alert: Alert) = AlertEntity(
+            userId = alert.userId,
+            contentId = alert.content.contentId,
+            contentThumbNail = alert.content.contentThumbNail,
+            title = alert.title,
+            body = alert.body,
+        )
+    }
+}
+
+fun AlertEntity.toDomain() = Alert(
+    id = this.id,
+    userId = this.userId,
+    content = ContentInfo(this.contentId, this.contentThumbNail),
+    title = this.title,
+    body = this.body,
+)

adapters/out-web/build.gradle.kts

@@ -20,6 +20,7 @@ dependencies {
     runtimeOnly("io.jsonwebtoken:jjwt-jackson:0.12.5")
     implementation("org.bouncycastle:bcpkix-jdk15on:1.69")
     implementation("org.springframework.cloud:spring-cloud-starter-openfeign:4.1.3")
+    implementation("com.google.firebase:firebase-admin:8.1.0")
 
 }
 

adapters/out-web/src/main/kotlin/com/pokit/auth/common/config/FirebaseConfig.kt → adapters/out-web/src/main/kotlin/com/pokit/alert/common/config/FirebaseConfig.kt

@@ -1,4 +1,4 @@
-package com.pokit.auth.common.config
+package com.pokit.alert.common.config
 
 import com.google.auth.oauth2.GoogleCredentials
 import com.google.firebase.FirebaseApp
@@ -15,10 +15,9 @@ class FirebaseConfig {
         val resource = ClassPathResource("google-services.json")
         val serviceAccount = resource.inputStream
 
-        val options =
-            FirebaseOptions.builder()
-                .setCredentials(GoogleCredentials.fromStream(serviceAccount))
-                .build()
+        val options = FirebaseOptions.builder()
+            .setCredentials(GoogleCredentials.fromStream(serviceAccount))
+            .build()
 
         return FirebaseApp.initializeApp(options)
     }

adapters/out-web/src/main/kotlin/com/pokit/alert/impl/FcmSender.kt

@@ -0,0 +1,42 @@
+package com.pokit.alert.impl
+
+import com.google.firebase.messaging.FirebaseMessaging
+import com.google.firebase.messaging.FirebaseMessagingException
+import com.google.firebase.messaging.Message
+import com.google.firebase.messaging.Notification
+import com.pokit.alert.model.Alert
+import com.pokit.alert.port.out.AlertSender
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.stereotype.Component
+
+@Component
+class FcmSender : AlertSender {
+    private val logger = KotlinLogging.logger { }
+
+    companion object {
+        const val IMAGE_PATH = "https://pokit-storage.s3.ap-northeast-2.amazonaws.com/logo/pokit.png" // 앱 로고
+    }
+
+    override fun sendMessage(tokens: List<String>, alert: Alert) {
+        val notification = Notification.builder()
+            .setTitle(alert.title)
+            .setBody(alert.body)
+            .setImage(IMAGE_PATH)
+            .build()
+
+        val messages = tokens.map {
+            Message.builder()
+                .setNotification(notification)
+                .setToken(it)
+                .build()
+        }
+
+        try {
+            messages.forEach {
+                FirebaseMessaging.getInstance().sendAsync(it)
+            }
+        } catch (e: FirebaseMessagingException) {
+            logger.warn { "Failed To Send Message : ${e.message}" }
+        }
+    }
+}

application/src/main/kotlin/com/pokit/alert/port/out/AlertSender.kt

@@ -0,0 +1,7 @@
+package com.pokit.alert.port.out
+
+import com.pokit.alert.model.Alert
+
+interface AlertSender {
+    fun sendMessage(tokens: List<String>, alert: Alert)
+}

domain/src/main/kotlin/com/pokit/alert/model/Alert.kt

@@ -0,0 +1,11 @@
+package com.pokit.alert.model
+
+import com.pokit.content.model.ContentInfo
+
+data class Alert(
+    val id: Long,
+    val userId: Long,
+    val content: ContentInfo,
+    val title: String,
+    val body: String
+)

domain/src/main/kotlin/com/pokit/content/dto/response/ContentsResult.kt

@@ -2,6 +2,7 @@ package com.pokit.content.dto.response
 
 import com.pokit.category.model.RemindCategory
 import com.pokit.content.model.Content
+import com.pokit.content.model.CategoryInfo
 import java.time.LocalDateTime
 
 data class ContentsResult(

domain/src/main/kotlin/com/pokit/content/model/Content.kt

@@ -14,7 +14,8 @@ data class Content(
     var memo: String,
     var alertYn: String,
     val createdAt: LocalDateTime = LocalDateTime.now(),
-    var domain: String = data
+    var domain: String = data,
+    val thumbNail: String = "https://pokit-storage.s3.ap-northeast-2.amazonaws.com/category-image/-3+1.png"
 ) {
     fun modify(contentCommand: ContentCommand) {
         this.categoryId = contentCommand.categoryId
@@ -36,3 +37,13 @@ data class Content(
         }
     }
 }
+
+data class ContentInfo(
+    val contentId: Long,
+    val contentThumbNail: String
+)
+
+data class CategoryInfo(
+    val categoryId: Long,
+    val categoryName: String
+)