1 files changed, 39 insertions, 0 deletions
diff --git a/src/main/scala/reading/component/index/FilterUtils.scala b/src/main/scala/reading/component/index/FilterUtils.scala
new file mode 100644
index 0000000..d4b24e4
--- /dev/null
+++ b/src/main/scala/reading/component/index/FilterUtils.scala
@@ -0,0 +1,39 @@
+package reading.component.index
+
+import rx._
+
+import reading.models._
+import reading.Route
+
+object FilterUtils {
+  def remove(
+    filters: Var[Seq[Filter]],
+    search: Var[String],
+    filter: Filter
+  ): Unit = {
+    val newFilters = Filter.remove(filters.now, filter)
+    filters() = newFilters
+    search() = ""
+    Route.push(Route.Books(newFilters))
+  }
+
+  def removeAll(
+    filters: Var[Seq[Filter]],
+    search: Var[String]
+  ): Unit = {
+    filters() = Nil
+    search() = ""
+    Route.push(Route.Books(Nil))
+  }
+
+  def add(
+    filters: Var[Seq[Filter]],
+    search: Var[String],
+    filter: Filter
+  ): Unit = {
+    val newFilters = filter +: filters.now
+    filters() = newFilters
+    search() = ""
+    Route.push(Route.Books(newFilters))
+  }
+}