add usecase to set external camera ip [#55]

data/src/main/java/com/foke/together/data/datasource/local/datastore/AppPreferencesSerializer.kt

@@ -3,6 +3,7 @@ package com.foke.together.data.datasource.local.datastore
 import androidx.datastore.core.Serializer
 import com.foke.together.AppPreferences
 import com.foke.together.util.AppLog
+import com.foke.together.util.AppPolicy
 import java.io.InputStream
 import java.io.OutputStream
 import javax.inject.Inject
@@ -13,7 +14,8 @@ class AppPreferencesSerializer @Inject constructor(): Serializer<AppPreferences>
             // Add proto datastore default value here.
             // You need to check default value of each types from link below
             // https://protobuf.dev/programming-guides/proto3/
-            // ex> isDebugMode = true
+            // e.g. isDebugMode = true
+            externalCameraIp = AppPolicy.DEFAULT_EXTERNAL_CAMERA_IP
             build()
         }
 

data/src/main/java/com/foke/together/data/repository/AppPreferencesRepository.kt

@@ -4,6 +4,7 @@ import androidx.datastore.core.DataStore
 import com.foke.together.AppPreferences
 import com.foke.together.CameraSource
 import com.foke.together.domain.interactor.entity.CameraSourceType
+import com.foke.together.domain.interactor.entity.ExternalCameraIP
 import com.foke.together.domain.output.AppPreferenceInterface
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
@@ -39,6 +40,19 @@ class AppPreferencesRepository @Inject constructor(
         }
     }
 
+    override fun getExternalCameraIP(): Flow<ExternalCameraIP> =
+        appPreferencesFlow.map {
+            ExternalCameraIP(it.externalCameraIp)
+        }
+
+    override suspend fun setExternalCameraIP(ip: ExternalCameraIP) {
+        appPreferences.updateData {
+            it.toBuilder()
+                .setExternalCameraIp(ip.address)
+                .build()
+        }
+    }
+
     override suspend fun clearAll() {
         appPreferences.updateData {
             it.toBuilder().clear().build()

data/src/main/proto/app_preferences.proto

@@ -13,6 +13,7 @@ message AppPreferences {
     // * Max size of field number is 536870911
 
     CameraSource camera_source = 10;
+    string external_camera_ip = 11;
 
     // TODO: sample code. remove later.
     string sample_id = 999997;

domain/src/main/java/com/foke/together/domain/input/GetExternalCameraIPInterface.kt

@@ -0,0 +1,8 @@
+package com.foke.together.domain.input
+
+import com.foke.together.domain.interactor.entity.ExternalCameraIP
+import kotlinx.coroutines.flow.Flow
+
+interface GetExternalCameraIPInterface {
+    operator fun invoke(): Flow<ExternalCameraIP>
+}

domain/src/main/java/com/foke/together/domain/interactor/GetExternalCameraIPUseCase.kt

@@ -0,0 +1,18 @@
+package com.foke.together.domain.interactor
+
+
+import com.foke.together.domain.input.GetExternalCameraIPInterface
+import com.foke.together.domain.interactor.entity.ExternalCameraIP
+import com.foke.together.domain.output.AppPreferenceInterface
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+class GetExternalCameraIPUseCase @Inject constructor(
+    private val appPreference: AppPreferenceInterface
+): GetExternalCameraIPInterface {
+    override fun invoke(): Flow<ExternalCameraIP> =
+        appPreference.getExternalCameraIP().map { it }
+}
+
+

domain/src/main/java/com/foke/together/domain/interactor/entity/ExternalCameraIP.kt

@@ -0,0 +1,5 @@
+package com.foke.together.domain.interactor.entity
+
+data class ExternalCameraIP (
+    val address: String,
+)

domain/src/main/java/com/foke/together/domain/output/AppPreferenceInterface.kt

@@ -1,11 +1,15 @@
 package com.foke.together.domain.output
 
 import com.foke.together.domain.interactor.entity.CameraSourceType
+import com.foke.together.domain.interactor.entity.ExternalCameraIP
 import kotlinx.coroutines.flow.Flow
 
 interface AppPreferenceInterface {
     fun getCameraSourceType(): Flow<CameraSourceType>
     suspend fun setCameraSourceType(type: CameraSourceType)
 
+    fun getExternalCameraIP(): Flow<ExternalCameraIP>
+    suspend fun setExternalCameraIP(ip: ExternalCameraIP)
+
     suspend fun clearAll()
 }

presenter/src/main/java/com/foke/together/presenter/theme/Shape.kt

@@ -1,4 +1,4 @@
 package com.foke.together.presenter.theme
 
 // Defines commonly used or recycled values
-// ex> https://github.com/android/compose-samples/blob/main/JetNews/app/src/main/java/com/example/jetnews/ui/theme/Shape.kt
+// e.g. https://github.com/android/compose-samples/blob/main/JetNews/app/src/main/java/com/example/jetnews/ui/theme/Shape.kt

util/src/main/java/com/foke/together/util/AppPolicy.kt

@@ -0,0 +1,5 @@
+package com.foke.together.util
+
+object AppPolicy {
+    const val DEFAULT_EXTERNAL_CAMERA_IP = "0.0.0.0"
+}