Create Interpreter.go

behavioral/interpreter/Interpreter.go

@@ -0,0 +1,62 @@
+/**
+ * @author  : Jagepard <jagepard@yandex.ru>
+ * @license https://mit-license.org/ MIT
+ */
+
+package main
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// Interpreter is ...
+type Interpreter struct {
+	registry map[int]Album
+}
+
+var i int = 1
+
+func (interpreter *Interpreter) addAlbumToRegistry(album Album) {
+	interpreter.registry[i] = album
+	i++
+}
+
+func (interpreter *Interpreter) interpret(input string) {
+	var exploded = strings.Split(input, " ")
+
+	for i := range exploded {
+		if interpreter.isNumeric(exploded[i]) {
+			number, err := strconv.Atoi(exploded[i])
+			if err != nil {
+				fmt.Println(err)
+			}
+
+			interpreter.getDataFromRegistry(exploded, interpreter.registry[number])
+		}
+	}
+}
+
+func (interpreter *Interpreter) getDataFromRegistry(exploded []string, album Album) {
+	var output strings.Builder
+
+	for i := range exploded {
+		if exploded[i] == "author" {
+			output.WriteString(album.author)
+			output.WriteString(" ")
+		}
+
+		if exploded[i] == "album" {
+			output.WriteString(album.name)
+			output.WriteString(" ")
+		}
+	}
+
+	fmt.Println(output.String())
+}
+
+func (interpreter *Interpreter) isNumeric(s string) bool {
+	_, err := strconv.ParseFloat(s, 64)
+	return err == nil
+}