Added arn to the main repository

arn/KitsuMappings.go

@@ -0,0 +1,38 @@
+package arn
+
+import (
+	"github.com/aerogo/nano"
+	"github.com/animenotifier/kitsu"
+)
+
+// StreamKitsuMappings returns a stream of all Kitsu mappings.
+func StreamKitsuMappings() <-chan *kitsu.Mapping {
+	channel := make(chan *kitsu.Mapping, nano.ChannelBufferSize)
+
+	go func() {
+		for obj := range Kitsu.All("Mapping") {
+			channel <- obj.(*kitsu.Mapping)
+		}
+
+		close(channel)
+	}()
+
+	return channel
+}
+
+// FilterKitsuMappings filters all Kitsu mappings by a custom function.
+func FilterKitsuMappings(filter func(*kitsu.Mapping) bool) []*kitsu.Mapping {
+	var filtered []*kitsu.Mapping
+
+	channel := Kitsu.All("Mapping")
+
+	for obj := range channel {
+		realObject := obj.(*kitsu.Mapping)
+
+		if filter(realObject) {
+			filtered = append(filtered, realObject)
+		}
+	}
+
+	return filtered
+}