[Android] Network 관련 코드 분리 및 레포지토리 이름 변경 (#45)

* refact: 네트워크 관련 코드 분리

History뿐 아니라 Todo에서도 네트워크를 사용해야 함으로 공통으로 쓸 수 있도록 분리

* refact: HistoryRepository를 공용으로 사용할 수 있도록 위치 및 파일명 변경

Android/app/src/main/java/com/example/todo_list/MainActivity.kt

@@ -11,7 +11,7 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import com.example.todo_list.databinding.ActivityMainBinding
 import com.example.todo_list.history.HistoryAdapter
 import com.example.todo_list.history.HistoryViewModel
-import com.example.todo_list.history.data.HistoryRepository
+import com.example.todo_list.data.TasksRepository
 import com.google.android.material.navigation.NavigationView
 
 class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener {
@@ -22,7 +22,7 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
         super.onCreate(savedInstanceState)
         binding = DataBindingUtil.setContentView(this, R.layout.activity_main)
 
-        historyViewModel = ViewModelProvider(this, ViewModelFactory(HistoryRepository())).get(HistoryViewModel::class.java)
+        historyViewModel = ViewModelProvider(this, ViewModelFactory(TasksRepository())).get(HistoryViewModel::class.java)
 
         val adapter = HistoryAdapter()
         binding.recyclerviewHistory.adapter = adapter

Android/app/src/main/java/com/example/todo_list/ViewModelFactory.kt

@@ -2,6 +2,7 @@ package com.example.todo_list
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
+import com.example.todo_list.data.Repository
 import com.example.todo_list.history.HistoryViewModel
 
 class ViewModelFactory(private val repository: Repository) : ViewModelProvider.Factory {

Android/app/src/main/java/com/example/todo_list/Repository.kt → Android/app/src/main/java/com/example/todo_list/data/Repository.kt

@@ -1,4 +1,4 @@
-package com.example.todo_list
+package com.example.todo_list.data
 
 import com.example.todo_list.history.data.HistoryCard
 import retrofit2.Response

Android/app/src/main/java/com/example/todo_list/data/TasksRepository.kt

@@ -0,0 +1,13 @@
+package com.example.todo_list.data
+
+import com.example.todo_list.history.data.HistoryCard
+import com.example.todo_list.network.NetworkModule
+import retrofit2.Response
+
+class TasksRepository : Repository {
+    private val network = NetworkModule.service
+
+    override suspend fun getHistories(): Response<List<HistoryCard>> {
+        return network.getHistories("histories")
+    }
+}

Android/app/src/main/java/com/example/todo_list/history/HistoryViewModel.kt

@@ -4,7 +4,7 @@ import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import com.example.todo_list.Repository
+import com.example.todo_list.data.Repository
 import com.example.todo_list.history.data.HistoryCard
 import kotlinx.coroutines.launch
 

Android/app/src/main/java/com/example/todo_list/network/NetworkModule.kt

@@ -0,0 +1,17 @@
+package com.example.todo_list.network
+
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+
+class NetworkModule {
+    companion object RetrofitApiObject {
+        private const val BASE_URL = "https://f278a12c-c825-466b-aa01-65337bbdf28a.mock.pstmn.io/"
+
+        private val retrofit =
+            Retrofit.Builder()
+                .baseUrl(BASE_URL)
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+        val service: TodoService = retrofit.create(TodoService::class.java)
+    }
+}

Android/app/src/main/java/com/example/todo_list/network/TodoService.kt

@@ -0,0 +1,14 @@
+package com.example.todo_list.network
+
+import com.example.todo_list.history.data.HistoryCard
+import retrofit2.Response
+import retrofit2.http.GET
+import retrofit2.http.Path
+
+interface TodoService {
+
+    @GET("api/{histories}")
+    suspend fun getHistories(
+        @Path("histories") variable: String
+    ): Response<List<HistoryCard>>
+}