6주차 미션 / 안드로이드 1조 안현지

app/build.gradle.kts

@@ -1,3 +1,5 @@
+import java.util.Properties
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
@@ -18,6 +20,13 @@ android {
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
 
+        val properties = Properties()
+        val localPropertiesFile = rootProject.file("local.properties")
+        if (localPropertiesFile.exists()) {
+            properties.load(localPropertiesFile.inputStream())
+        }
+        val baseUrl = properties.getProperty("BASE_URL")
+        buildConfigField("String", "BASE_URL", "\"$baseUrl\"")
     }
 
     buildTypes {
@@ -38,6 +47,7 @@ android {
     }
     buildFeatures {
         compose = true
+        buildConfig = true
     }
 }
 
@@ -68,10 +78,16 @@ dependencies {
 
     // Coroutines
     implementation(libs.kotlinx.coroutines.android)
+    implementation(libs.adapter.guava)
 
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
     debugImplementation(libs.androidx.compose.ui.tooling)
     debugImplementation(libs.androidx.compose.ui.test.manifest)
-}
+
+    implementation(libs.retrofit)
+    implementation(libs.retrofit.converter.gson)
+    implementation(libs.okhttp)
+    implementation(libs.okhttp.logging.interceptor)
+}

app/src/main/java/com/example/kuit6_android_api/MainActivity.kt

@@ -1,16 +1,22 @@
 package com.example.kuit6_android_api
 
 import android.Manifest
+import android.annotation.SuppressLint
 import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Bundle
 import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Surface
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.core.content.ContextCompat
 import androidx.navigation.compose.rememberNavController
@@ -32,6 +38,7 @@ class MainActivity : ComponentActivity() {
         }
     }
 
+    @SuppressLint("UnusedMaterial3ScaffoldPaddingParameter")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -40,15 +47,24 @@ class MainActivity : ComponentActivity() {
 
         setContent {
             KUIT6_Android_APITheme {
-                Surface(
-                    modifier = Modifier.fillMaxSize(),
-                    color = MaterialTheme.colorScheme.background
+
+                val snackBarState = remember { SnackbarHostState() }
+
+                Scaffold (
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .background(MaterialTheme.colorScheme.background),
+                    snackbarHost = {
+                        SnackbarHost(snackBarState)
+                    }
                 ) {
                     val navController = rememberNavController()
 
+                    //얘한테 넘겨주면 내부 그래프에서 스크린에서 snackbar를 넘겨줌
                     NavGraph(
                         navController = navController,
-                        startDestination = PostListRoute
+                        startDestination = PostListRoute,
+                        snackBarState = snackBarState
                     )
                 }
             }

app/src/main/java/com/example/kuit6_android_api/data/api/ApiService.kt

@@ -0,0 +1,40 @@
+package com.example.kuit6_android_api.data.api
+
+import com.example.kuit6_android_api.data.model.request.PostCreateRequest
+import com.example.kuit6_android_api.data.model.response.BaseResponse
+import com.example.kuit6_android_api.data.model.response.PostResponse
+import retrofit2.http.GET
+import retrofit2.http.POST
+import retrofit2.http.Body
+import retrofit2.http.DELETE
+import retrofit2.http.PUT
+import retrofit2.http.Path
+import retrofit2.http.Query
+
+//file 들어가서 project structure 에서 retrofit2 추가 해야된
+interface ApiService {
+    @GET(value = "/api/posts")
+    suspend fun getPosts(): BaseResponse<List<PostResponse>>
+
+    @POST("/api/posts")
+    suspend fun createPost(
+        @Query("author") author: String = "규빈",
+        @Body request: PostCreateRequest
+    ): BaseResponse<PostResponse>//반환 값
+
+    @GET(value = "/api/posts/{id}")
+    suspend fun getPostDetail(
+        @Path("id") id: Long
+    ): BaseResponse<PostResponse>
+
+    @DELETE("/api/posts/{id}")
+    suspend fun deletePost(
+        @Path("id") id: Long
+    ): BaseResponse<PostResponse>
+
+    @PUT("/api/posts/{id}")
+    suspend fun editPost(
+        @Path("id") id: Long,
+        @Body request: PostCreateRequest
+    ): BaseResponse<PostResponse>
+}

app/src/main/java/com/example/kuit6_android_api/data/api/RetrofitClient.kt

@@ -0,0 +1,32 @@
+package com.example.kuit6_android_api.data.api
+
+import com.example.kuit6_android_api.BuildConfig
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import java.util.concurrent.TimeUnit
+
+object RetrofitClient {
+
+    //로그캣을 사용해서 어떤 통신이 오고가는지 확인 가능
+    private val loggingInterceptor = HttpLoggingInterceptor().apply {
+        level = HttpLoggingInterceptor.Level.BODY
+    }
+
+    private val okHttpClient = OkHttpClient.Builder()
+        .addInterceptor(loggingInterceptor)
+        .connectTimeout(30, TimeUnit.SECONDS)
+        .readTimeout(30, TimeUnit.SECONDS)
+        .writeTimeout(30, TimeUnit.SECONDS)
+        .build()
+
+    private val retrofit: Retrofit = Retrofit.Builder()
+        .baseUrl(BuildConfig.BASE_URL)
+        .client(okHttpClient)
+        .addConverterFactory(GsonConverterFactory.create())
+        .build()
+
+
+    val apiService: ApiService = retrofit.create(ApiService::class.java)
+}

app/src/main/java/com/example/kuit6_android_api/data/model/request/PostCreateRequest.kt

@@ -0,0 +1,9 @@
+package com.example.kuit6_android_api.data.model.request
+
+import kotlinx.serialization.SerialName
+
+data class PostCreateRequest(
+    @SerialName( value = "title" ) val title: String,
+    @SerialName( value = "content" ) val content: String,
+    @SerialName(value = "imageUrl" ) val imageUrl: String?
+)

app/src/main/java/com/example/kuit6_android_api/data/model/response/AuthorResponse.kt

@@ -0,0 +1,9 @@
+package com.example.kuit6_android_api.data.model.response
+
+import kotlinx.serialization.SerialName
+
+data class AuthorResponse(
+    @SerialName(value = "id") val id: Long,
+    @SerialName(value = "username") val username: String,
+    @SerialName(value = "profileImageUrl") val profileImageUrl: String?
+)

app/src/main/java/com/example/kuit6_android_api/data/model/response/BaseResponse.kt

@@ -0,0 +1,10 @@
+package com.example.kuit6_android_api.data.model.response
+
+import kotlinx.serialization.SerialName
+
+data class BaseResponse<T>(
+    @SerialName(value = "success")  val success: Boolean,
+    @SerialName(value = "message")  val message: String?,
+    @SerialName(value = "data")  val data: T?,//데이터가 안 올 수도 ?
+    @SerialName(value = "timestamp")  val timestamp: String
+)

app/src/main/java/com/example/kuit6_android_api/data/model/response/PostResponse.kt

@@ -0,0 +1,13 @@
+package com.example.kuit6_android_api.data.model.response
+
+import kotlinx.serialization.SerialName
+
+data class PostResponse(
+    @SerialName(value = "id")  val id: Long,
+    @SerialName(value = "title") val title: String,
+    @SerialName(value = "content") val content: String,
+    @SerialName(value = "imageUrl") val imageUrl: String?,
+    @SerialName(value = "author") val author: AuthorResponse,
+    @SerialName(value = "createdAt") val createdAt: String,
+    @SerialName(value = "updatedAt") val updatedAt: String
+)