feat(network): Create Repository and Integrate Caching Logic

Author: menny

network/build.gradle.kts

@@ -30,6 +30,7 @@ android {
 }
 
 dependencies {
+    implementation(project(":database"))
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
     implementation(libs.com.google.android.material)

network/src/main/java/com/anysoftkeyboard/janus/network/TranslationRepository.kt

@@ -0,0 +1,43 @@
+package com.anysoftkeyboard.janus.network
+
+import com.anysoftkeyboard.janus.database.TranslationDao
+import com.anysoftkeyboard.janus.database.Translation
+
+class TranslationRepository(private val wikipediaApi: WikipediaApi, private val translationDao: TranslationDao) {
+
+    suspend fun getTranslation(sourceWord: String, sourceLang: String, targetLang: String): Translation? {
+        // First, try to get the translation from the database
+        val cachedTranslation = translationDao.findTranslation(sourceWord, sourceLang, targetLang)
+        if (cachedTranslation != null) {
+            return cachedTranslation
+        }
+
+        // If not found in the database, fetch from the network
+        return try {
+            val searchResponse = wikipediaApi.search(sourceWord)
+            val searchResult = searchResponse.query.search.firstOrNull()
+
+            if (searchResult != null) {
+                val newTranslation = Translation(
+                    sourceWord = sourceWord,
+                    sourceLangCode = sourceLang,
+                    sourceArticleUrl = "https://en.wikipedia.org/wiki/${searchResult.title}",
+                    sourceShortDescription = searchResult.snippet,
+                    sourceSummary = null, // Wikipedia search API does not provide full summary
+                    translatedWord = searchResult.title, // For now, assume translated word is the article title
+                    targetLangCode = targetLang,
+                    targetArticleUrl = "https://en.wikipedia.org/wiki/${searchResult.title}",
+                    targetShortDescription = searchResult.snippet,
+                    targetSummary = null
+                )
+                translationDao.insertTranslation(newTranslation)
+                newTranslation
+            } else {
+                null
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+            null
+        }
+    }
+}