From 605659a224c6e4e39e6e10f5a691e98fe396b7b6 Mon Sep 17 00:00:00 2001
From: Eric Ampire <ericampire.top@gmail.com>
Date: Mon, 6 Sep 2021 22:59:40 +0200
Subject: [PATCH] User domain logic

---
 .../datasource/user/LocalUserDataSource.kt    | 22 +++++++++++++++++++
 .../data/datasource/user/UserDataSource.kt    | 10 +++++++++
 .../data/repository/UserRepositoryImpl.kt     | 20 +++++++++++++++++
 .../androidstudycase/data/room/UserDao.kt     | 17 ++++++++++++++
 .../androidstudycase/domain/entity/User.kt    | 12 ++++++++++
 .../domain/repository/UserRepository.kt       | 10 +++++++++
 .../domain/usecase/FindUsersUseCaseTest.kt    |  3 +++
 7 files changed, 94 insertions(+)
 create mode 100644 data/src/main/java/com/ericampire/android/androidstudycase/data/datasource/user/LocalUserDataSource.kt
 create mode 100644 data/src/main/java/com/ericampire/android/androidstudycase/data/datasource/user/UserDataSource.kt
 create mode 100644 data/src/main/java/com/ericampire/android/androidstudycase/data/repository/UserRepositoryImpl.kt
 create mode 100644 data/src/main/java/com/ericampire/android/androidstudycase/data/room/UserDao.kt
 create mode 100644 domain/src/main/java/com/ericampire/android/androidstudycase/domain/entity/User.kt
 create mode 100644 domain/src/main/java/com/ericampire/android/androidstudycase/domain/repository/UserRepository.kt
 create mode 100644 domain/src/test/java/com/ericampire/android/androidstudycase/domain/usecase/FindUsersUseCaseTest.kt

diff --git a/data/src/main/java/com/ericampire/android/androidstudycase/data/datasource/user/LocalUserDataSource.kt b/data/src/main/java/com/ericampire/android/androidstudycase/data/datasource/user/LocalUserDataSource.kt
new file mode 100644
index 0000000..aea8b1e
--- /dev/null
+++ b/data/src/main/java/com/ericampire/android/androidstudycase/data/datasource/user/LocalUserDataSource.kt
@@ -0,0 +1,22 @@
+package com.ericampire.android.androidstudycase.data.datasource.user
+
+import com.ericampire.android.androidstudycase.data.room.UserDao
+import com.ericampire.android.androidstudycase.domain.entity.User
+import com.ericampire.android.androidstudycase.util.Result
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+class LocalUserDataSource @Inject constructor(
+  private val dao: UserDao
+) : UserDataSource {
+  override suspend fun save(user: User) {
+    dao.save(user)
+  }
+
+  override fun findAll(): Flow<Result<List<User>>> {
+    return dao.findAll().map {
+      Result.Success(it)
+    }
+  }
+}
\ No newline at end of file
diff --git a/data/src/main/java/com/ericampire/android/androidstudycase/data/datasource/user/UserDataSource.kt b/data/src/main/java/com/ericampire/android/androidstudycase/data/datasource/user/UserDataSource.kt
new file mode 100644
index 0000000..742756a
--- /dev/null
+++ b/data/src/main/java/com/ericampire/android/androidstudycase/data/datasource/user/UserDataSource.kt
@@ -0,0 +1,10 @@
+package com.ericampire.android.androidstudycase.data.datasource.user
+
+import com.ericampire.android.androidstudycase.domain.entity.User
+import com.ericampire.android.androidstudycase.util.Result
+import kotlinx.coroutines.flow.Flow
+
+interface UserDataSource {
+  suspend fun save(user: User)
+  fun findAll(): Flow<Result<List<User>>>
+}
\ No newline at end of file
diff --git a/data/src/main/java/com/ericampire/android/androidstudycase/data/repository/UserRepositoryImpl.kt b/data/src/main/java/com/ericampire/android/androidstudycase/data/repository/UserRepositoryImpl.kt
new file mode 100644
index 0000000..dec088b
--- /dev/null
+++ b/data/src/main/java/com/ericampire/android/androidstudycase/data/repository/UserRepositoryImpl.kt
@@ -0,0 +1,20 @@
+package com.ericampire.android.androidstudycase.data.repository
+
+import com.ericampire.android.androidstudycase.data.datasource.user.UserDataSource
+import com.ericampire.android.androidstudycase.domain.entity.User
+import com.ericampire.android.androidstudycase.domain.repository.UserRepository
+import com.ericampire.android.androidstudycase.util.Result
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+class UserRepositoryImpl @Inject constructor(
+  private val localDataSource: UserDataSource
+) : UserRepository {
+  override suspend fun save(user: User) {
+    return localDataSource.save(user)
+  }
+
+  override fun findAll(): Flow<Result<List<User>>> {
+    return localDataSource.findAll()
+  }
+}
\ No newline at end of file
diff --git a/data/src/main/java/com/ericampire/android/androidstudycase/data/room/UserDao.kt b/data/src/main/java/com/ericampire/android/androidstudycase/data/room/UserDao.kt
new file mode 100644
index 0000000..c31c836
--- /dev/null
+++ b/data/src/main/java/com/ericampire/android/androidstudycase/data/room/UserDao.kt
@@ -0,0 +1,17 @@
+package com.ericampire.android.androidstudycase.data.room
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.Query
+import com.ericampire.android.androidstudycase.domain.entity.User
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface UserDao {
+
+  @Insert
+  fun save(user: User)
+
+  @Query("SELECT * FROM User")
+  fun findAll(): Flow<List<User>>
+}
\ No newline at end of file
diff --git a/domain/src/main/java/com/ericampire/android/androidstudycase/domain/entity/User.kt b/domain/src/main/java/com/ericampire/android/androidstudycase/domain/entity/User.kt
new file mode 100644
index 0000000..12ff8f3
--- /dev/null
+++ b/domain/src/main/java/com/ericampire/android/androidstudycase/domain/entity/User.kt
@@ -0,0 +1,12 @@
+package com.ericampire.android.androidstudycase.domain.entity
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class User(
+  @PrimaryKey
+  val id: Long? = null,
+  val displayName: String,
+  val imageUrl: String,
+)
diff --git a/domain/src/main/java/com/ericampire/android/androidstudycase/domain/repository/UserRepository.kt b/domain/src/main/java/com/ericampire/android/androidstudycase/domain/repository/UserRepository.kt
new file mode 100644
index 0000000..01213a3
--- /dev/null
+++ b/domain/src/main/java/com/ericampire/android/androidstudycase/domain/repository/UserRepository.kt
@@ -0,0 +1,10 @@
+package com.ericampire.android.androidstudycase.domain.repository
+
+import com.ericampire.android.androidstudycase.domain.entity.User
+import com.ericampire.android.androidstudycase.util.Result
+import kotlinx.coroutines.flow.Flow
+
+interface UserRepository {
+  suspend fun save(user: User)
+  fun findAll(): Flow<Result<List<User>>>
+}
\ No newline at end of file
diff --git a/domain/src/test/java/com/ericampire/android/androidstudycase/domain/usecase/FindUsersUseCaseTest.kt b/domain/src/test/java/com/ericampire/android/androidstudycase/domain/usecase/FindUsersUseCaseTest.kt
new file mode 100644
index 0000000..7e47939
--- /dev/null
+++ b/domain/src/test/java/com/ericampire/android/androidstudycase/domain/usecase/FindUsersUseCaseTest.kt
@@ -0,0 +1,3 @@
+package com.ericampire.android.androidstudycase.domain.usecase
+
+internal class FindUsersUseCaseTest
\ No newline at end of file