chore: Implement functionality of the data module

core/data/src/main/java/com/wei/picquest/core/data/model/SearchImages.kt

@@ -0,0 +1,67 @@
+package com.wei.picquest.core.data.model
+
+import com.wei.picquest.core.network.model.NetworkSearchImages
+
+data class SearchImages(
+    val total: Int,
+    val totalHits: Int,
+    val images: List<ImageDetail>
+)
+
+data class ImageDetail(
+    val id: Int,
+    val pageURL: String,
+    val type: String,
+    val tags: String,
+    val previewURL: String,
+    val previewWidth: Int,
+    val previewHeight: Int,
+    val webformatURL: String,
+    val webformatWidth: Int,
+    val webformatHeight: Int,
+    val largeImageURL: String,
+    val fullHDURL: String,
+    val imageURL: String,
+    val imageWidth: Int,
+    val imageHeight: Int,
+    val imageSize: Long,
+    val views: Int,
+    val downloads: Int,
+    val likes: Int,
+    val comments: Int,
+    val userId: Int,
+    val user: String,
+    val userImageURL: String
+)
+
+fun NetworkSearchImages.asExternalModel() = SearchImages(
+    total = this.total,
+    totalHits = this.totalHits,
+    images = this.hits.map { networkImageDetail ->
+        ImageDetail(
+            id = networkImageDetail.id,
+            pageURL = networkImageDetail.pageURL,
+            type = networkImageDetail.type,
+            tags = networkImageDetail.tags,
+            previewURL = networkImageDetail.previewURL,
+            previewWidth = networkImageDetail.previewWidth,
+            previewHeight = networkImageDetail.previewHeight,
+            webformatURL = networkImageDetail.webformatURL,
+            webformatWidth = networkImageDetail.webformatWidth,
+            webformatHeight = networkImageDetail.webformatHeight,
+            largeImageURL = networkImageDetail.largeImageURL,
+            fullHDURL = networkImageDetail.fullHDURL,
+            imageURL = networkImageDetail.imageURL,
+            imageWidth = networkImageDetail.imageWidth,
+            imageHeight = networkImageDetail.imageHeight,
+            imageSize = networkImageDetail.imageSize,
+            views = networkImageDetail.views,
+            downloads = networkImageDetail.downloads,
+            likes = networkImageDetail.likes,
+            comments = networkImageDetail.comments,
+            userId = networkImageDetail.userId,
+            user = networkImageDetail.user,
+            userImageURL = networkImageDetail.userImageURL
+        )
+    }
+)

core/data/src/main/java/com/wei/picquest/core/data/repository/DefaultSearchImagesRepository.kt

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+package com.wei.picquest.core.data.repository
+
+import com.wei.picquest.core.network.Dispatcher
+import com.wei.picquest.core.network.PqDispatchers
+import com.wei.picquest.core.network.PqNetworkDataSource
+import com.wei.picquest.core.network.model.NetworkSearchImages
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.withContext
+import java.io.PrintWriter
+import javax.inject.Inject
+
+
+/**
+ * Implementation of the [SearchImagesRepository].
+ * @param ioDispatcher 用於執行 IO 相關操作的 CoroutineDispatcher。
+ * @param network 數據源的網路接口。
+ */
+class DefaultSearchImagesRepository @Inject constructor(
+    @Dispatcher(PqDispatchers.IO) private val ioDispatcher: CoroutineDispatcher,
+    private val network: PqNetworkDataSource,
+) : SearchImagesRepository {
+
+    /**
+     * @param query。A URL encoded search term. If omitted, all images are returned. This value may not exceed 100 characters.
+     * Example: "yellow+flower"
+     * @return 一個 Flow，內容為 Search Images 的數據。
+     */
+    override suspend fun getSearchImages(
+        query: String
+    ): Flow<NetworkSearchImages> = withContext(ioDispatcher) {
+        flow {
+            emit(network.searchImages(query))
+        }
+    }
+}

core/data/src/main/java/com/wei/picquest/core/data/repository/SearchImagesRepository.kt

@@ -0,0 +1,10 @@
+package com.wei.picquest.core.data.repository
+
+import com.wei.picquest.core.network.model.NetworkSearchImages
+import kotlinx.coroutines.flow.Flow
+
+
+interface SearchImagesRepository {
+
+    suspend fun getSearchImages(query: String): Flow<NetworkSearchImages>
+}