complete bookmark toggle features

src/profile/bookmark/database.rs

@@ -51,6 +51,23 @@ impl Database {
             Err(_) => Err(()), // @TODO
         }
     }
+
+    pub fn delete(&self, request: &str) -> Result<(), ()> {
+        // Begin new transaction
+        let mut writable = self.connection.write().unwrap();
+        let tx = writable.transaction().unwrap();
+
+        // Delete records match request
+        for record in select(&tx, self.profile_id, Some(request)).unwrap() {
+            let _ = delete(&tx, record.id);
+        }
+
+        // Done
+        match tx.commit() {
+            Ok(_) => Ok(()),
+            Err(_) => Err(()),
+        } // @TODO handle result
+    }
 }
 
 // Low-level DB API

src/profile/bookmark/memory.rs

@@ -33,6 +33,17 @@ impl Memory {
         index.insert(request, time);
     }
 
+    /// Check request exist in memory index
+    pub fn delete(&self, request: &str) {
+        // Borrow index to update
+        let mut index = self.index.borrow_mut();
+
+        // Delete record (if exist)
+        if index.get(request).is_some() {
+            index.remove(request);
+        }
+    }
+
     /// Check request exist in memory index
     pub fn is_exist(&self, request: &str) -> bool {
         self.index.borrow().get(request).is_some()