experiment (#12)

Reviewed-on: #12
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

util/util.go

@@ -1,11 +1,14 @@
 package util
 
-import "encoding/json"
-import "fmt"
-import "os"
-import "strings"
-
 import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+
+	"git.kundeng.us/phoenix/textsender-models/pkg/contact"
+	"git.kundeng.us/phoenix/textsender-models/pkg/message"
+
 	"git.kundeng.us/phoenix/sender/models"
 )
 
@@ -64,3 +67,39 @@ func ParseMessage(filepath string) (message models.Message) {
 
 	return
 }
+
+func Convert(data interface{}, msgOrNumber int) (interface{}, error) {
+	switch msgOrNumber {
+	case 0:
+		{
+			if msg, ok := data.(models.Message); ok {
+				return message.Message{Content: msg.Text}, nil
+			} else {
+				return nil, fmt.Errorf("Could not resolve value")
+			}
+		}
+	case 1:
+		{
+			var items []contact.Contact
+
+			switch nbrs := data.(type) {
+			case []models.Number:
+				for _, number := range nbrs {
+					if !number.IsEmpty() {
+						items = append(items, contact.Contact{PhoneNumber: number.PhoneNumber})
+					}
+				}
+			default:
+				return nil, fmt.Errorf("Unrecognized type")
+			}
+
+			if len(items) == 0 {
+				return nil, fmt.Errorf("Failure converting")
+			} else {
+				return items, nil
+			}
+		}
+	default:
+		return nil, fmt.Errorf("Invalid msgOrNumber")
+	}
+}