drop local cache item implemented

beaverlib/src/main/java/com/raqun/beaverlib/Beaver.kt

@@ -51,7 +51,7 @@ object Beaver {
         forceLocal: Boolean = false
     ): Deferred<MetaData?> {
         assertIsInitialized()
-        return metaDataRepository!!.getMetaData(url, forceRefresh)
+        return metaDataRepository!!.getMetaData(url, forceRefresh, forceLocal)
     }
 
     fun dropBeaverCache() {
@@ -65,9 +65,9 @@ object Beaver {
         metaDataRepository = null
     }
 
-    fun dropBeaverLocalCache() {
+    fun dropBeaverLocalCache(url: String? = null) {
         assertIsInitialized()
-        metaDataRepository!!.dropLocalCache()
+        metaDataRepository!!.dropLocalCache(url)
     }
 
     fun isBeaverInitialized() = metaDataRepository != null

beaverlib/src/main/java/com/raqun/beaverlib/data/DataSource.kt

@@ -11,6 +11,8 @@ interface DataSource {
 
         fun put(key: KEY, data: VALUE): Boolean
 
+        fun remove(key: KEY): Boolean
+
         fun clear()
     }
 

beaverlib/src/main/java/com/raqun/beaverlib/data/MetaDataRepository.kt

@@ -12,7 +12,7 @@ interface MetaDataRepository {
 
     fun dropCache()
 
-    fun dropLocalCache()
+    fun dropLocalCache(url: String? = null)
 
     fun drop()
 }

beaverlib/src/main/java/com/raqun/beaverlib/data/MetaDataRepositoryImpl.kt

@@ -54,8 +54,13 @@ class MetaDataRepositoryImpl(
     }
 
     @Synchronized
-    override fun dropLocalCache() {
-        metaDataLocalDataSource?.clear()
+    override fun dropLocalCache(url: String?) {
+        if (metaDataLocalDataSource == null) return
+        if (url == null) {
+            metaDataLocalDataSource.clear()
+        } else {
+            metaDataLocalDataSource.remove(url)
+        }
     }
 
     @Synchronized

beaverlib/src/main/java/com/raqun/beaverlib/data/local/MetaDataDao.kt

@@ -14,6 +14,9 @@ interface MetaDataDao {
     @Query("SELECT * FROM metadata WHERE raw_url = :rawUrl")
     fun getMetaData(rawUrl: String): List<MetaDataEntity>
 
+    @Query("DELETE FROM metadata WHERE raw_url = :rawUrl")
+    fun deletMetaData(rawUrl: String)
+
     @Query("DELETE FROM metadata")
     fun nukeTable()
 }

beaverlib/src/main/java/com/raqun/beaverlib/data/local/MetaDataLocalDataSource.kt

@@ -21,6 +21,11 @@ class MetaDataLocalDataSource(private val db: BeaverDb) : DataSource.Local<Strin
         return db.metaDataDao().addMetaData(metadataEntity) > 0
     }
 
+    override fun remove(key: String): Boolean {
+        db.metaDataDao().deletMetaData(key)
+        return true
+    }
+
     override fun clear() {
         db.metaDataDao().nukeTable()
     }