Updated on 2026-08-14

core/datasource/src/main/java/com/tangem/datasource/di/NewsStoreModule.kt

@@ -0,0 +1,29 @@
+package com.tangem.datasource.di
+
+import com.tangem.datasource.local.datastore.RuntimeSharedStore
+import com.tangem.datasource.local.news.details.DefaultNewsDetailsStore
+import com.tangem.datasource.local.news.details.NewsDetailsStore
+import com.tangem.datasource.local.news.trending.DefaultTrendingNewsStore
+import com.tangem.datasource.local.news.trending.TrendingNewsStore
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+internal object NewsStoreModule {
+
+    @Provides
+    @Singleton
+    fun provideNewsDetailsStore(): NewsDetailsStore {
+        return DefaultNewsDetailsStore(store = RuntimeSharedStore())
+    }
+
+    @Provides
+    @Singleton
+    fun provideTrendingNewsStore(): TrendingNewsStore {
+        return DefaultTrendingNewsStore(store = RuntimeSharedStore())
+    }
+}

core/datasource/src/main/java/com/tangem/datasource/local/datastore/core/StringKeyDataStore.kt

@@ -1,3 +1,7 @@
 package com.tangem.datasource.local.datastore.core
 
+@Deprecated(
+    message = "Use RuntimeSharedStore instead",
+    replaceWith = ReplaceWith("RuntimeSharedStore"),
+)
 internal interface StringKeyDataStore<Value : Any> : DataStore<String, Value>

core/datasource/src/main/java/com/tangem/datasource/local/news/details/DefaultNewsDetailsStore.kt

@@ -0,0 +1,37 @@
+package com.tangem.datasource.local.news.details
+
+import com.tangem.datasource.local.datastore.RuntimeSharedStore
+import com.tangem.domain.models.news.DetailedArticle
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+internal class DefaultNewsDetailsStore(
+    private val store: RuntimeSharedStore<Map<Int, DetailedArticle>>,
+) : NewsDetailsStore {
+
+    override fun getAll(): Flow<List<DetailedArticle>> {
+        return store.get().map { it.values.toList() }
+    }
+
+    override suspend fun getSyncOrNull(id: Int): DetailedArticle? {
+        return store.getSyncOrNull()?.get(id)
+    }
+
+    override suspend fun store(id: Int, article: DetailedArticle) {
+        store.update(emptyMap()) { current ->
+            current + (id to article)
+        }
+    }
+
+    override suspend fun store(articles: Map<Int, DetailedArticle>) {
+        if (articles.isEmpty()) return
+
+        store.update(emptyMap()) { current ->
+            current + articles
+        }
+    }
+
+    override suspend fun clear() {
+        store.store(emptyMap())
+    }
+}

core/datasource/src/main/java/com/tangem/datasource/local/news/details/NewsDetailsStore.kt

@@ -0,0 +1,17 @@
+package com.tangem.datasource.local.news.details
+
+import com.tangem.domain.models.news.DetailedArticle
+import kotlinx.coroutines.flow.Flow
+
+interface NewsDetailsStore {
+
+    fun getAll(): Flow<List<DetailedArticle>>
+
+    suspend fun getSyncOrNull(id: Int): DetailedArticle?
+
+    suspend fun store(id: Int, article: DetailedArticle)
+
+    suspend fun store(articles: Map<Int, DetailedArticle>)
+
+    suspend fun clear()
+}

core/datasource/src/main/java/com/tangem/datasource/local/news/trending/DefaultTrendingNewsStore.kt

@@ -0,0 +1,31 @@
+package com.tangem.datasource.local.news.trending
+
+import com.tangem.datasource.local.datastore.RuntimeSharedStore
+import com.tangem.domain.models.news.ShortArticle
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+private typealias TrendingCache = Map<String, List<ShortArticle>>
+
+internal class DefaultTrendingNewsStore(
+    private val store: RuntimeSharedStore<TrendingCache>,
+) : TrendingNewsStore {
+
+    override fun get(key: String): Flow<List<ShortArticle>> {
+        return store.get().map { it[key].orEmpty() }
+    }
+
+    override suspend fun getSyncOrNull(key: String): List<ShortArticle>? {
+        return store.getSyncOrNull()?.get(key)
+    }
+
+    override suspend fun store(key: String, value: List<ShortArticle>) {
+        store.update(emptyMap()) { current ->
+            current + (key to value)
+        }
+    }
+
+    override suspend fun clear() {
+        store.store(emptyMap())
+    }
+}

core/datasource/src/main/java/com/tangem/datasource/local/news/trending/TrendingNewsStore.kt

@@ -0,0 +1,15 @@
+package com.tangem.datasource.local.news.trending
+
+import com.tangem.domain.models.news.ShortArticle
+import kotlinx.coroutines.flow.Flow
+
+interface TrendingNewsStore {
+
+    fun get(key: String): Flow<List<ShortArticle>>
+
+    suspend fun getSyncOrNull(key: String): List<ShortArticle>?
+
+    suspend fun store(key: String, value: List<ShortArticle>)
+
+    suspend fun clear()
+}