[FEATURE] #15 : 사용자 등록 / 사용자 조회 로직 구현

core/data/src/main/java/com/wap/wapp/core/data/repository/user/UserRepository.kt

@@ -0,0 +1,14 @@
+package com.wap.wapp.core.data.repository.user
+
+import com.wap.wapp.core.model.user.UserProfile
+
+interface UserRepository {
+    suspend fun getUserProfile(userId: String): Result<UserProfile>
+
+    suspend fun postUserProfile(
+        userId: String,
+        userName: String,
+        studentId: String,
+        registeredAt: String,
+    ): Result<Unit>
+}

core/data/src/main/java/com/wap/wapp/core/data/repository/user/UserRepositoryImpl.kt

@@ -0,0 +1,32 @@
+package com.wap.wapp.core.data.repository.user
+
+import com.wap.wapp.core.model.user.UserProfile
+import com.wap.wapp.core.network.model.user.UserProfileRequest
+import com.wap.wapp.core.network.source.user.UserDataSource
+import javax.inject.Inject
+
+class UserRepositoryImpl @Inject constructor(
+    private val userDataSource: UserDataSource,
+) : UserRepository {
+    override suspend fun getUserProfile(userId: String): Result<UserProfile> {
+        return userDataSource.getUserProfile(userId).mapCatching { response ->
+            response.toDomain()
+        }
+    }
+
+    override suspend fun postUserProfile(
+        userId: String,
+        userName: String,
+        studentId: String,
+        registeredAt: String,
+    ): Result<Unit> {
+        return userDataSource.postUserProfile(
+            UserProfileRequest(
+                userId = userId,
+                userName = userName,
+                studentId = studentId,
+                registeredAt = registeredAt,
+            ),
+        )
+    }
+}

core/network/src/main/java/com/wap/wapp/core/network/source/user/UserDataSource.kt

@@ -1,7 +1,10 @@
 package com.wap.wapp.core.network.source.user
 
+import com.wap.wapp.core.network.model.user.UserProfileRequest
 import com.wap.wapp.core.network.model.user.UserProfileResponse
 
 interface UserDataSource {
+    suspend fun postUserProfile(userProfileRequest: UserProfileRequest): Result<Unit>
+
     suspend fun getUserProfile(userId: String): Result<UserProfileResponse>
 }

core/network/src/main/java/com/wap/wapp/core/network/source/user/UserDataSourceImpl.kt

@@ -1,3 +1,44 @@
 package com.wap.wapp.core.network.source.user
 
-class UserDataSourceImpl
+import com.google.firebase.firestore.FirebaseFirestore
+import com.google.firebase.firestore.SetOptions
+import com.wap.wapp.core.network.constant.USER_COLLECTION
+import com.wap.wapp.core.network.model.user.UserProfileRequest
+import com.wap.wapp.core.network.model.user.UserProfileResponse
+import com.wap.wapp.core.network.utils.await
+import javax.inject.Inject
+
+class UserDataSourceImpl @Inject constructor(
+    private val firebaseFirestore: FirebaseFirestore,
+) : UserDataSource {
+    override suspend fun postUserProfile(
+        userProfileRequest: UserProfileRequest,
+    ): Result<Unit> {
+        return runCatching {
+            val userId = userProfileRequest.userId
+            val setOption = SetOptions.merge()
+
+            firebaseFirestore.collection(USER_COLLECTION)
+                .document(userId)
+                .set(
+                    userProfileRequest,
+                    setOption,
+                )
+                .await()
+        }
+    }
+
+    override suspend fun getUserProfile(
+        userId: String,
+    ): Result<UserProfileResponse> {
+        return runCatching {
+            val result = firebaseFirestore.collection(USER_COLLECTION)
+                .document(userId)
+                .get()
+                .await()
+
+            val userProfile = result.toObject(UserProfileResponse::class.java)
+            checkNotNull(userProfile)
+        }
+    }
+}