master > master: code go - entwicklung für interaktiven Modus gestartet

code/golang/internal/menus/menus_prompt.go

@@ -0,0 +1,91 @@
+package menus
+
+/* ---------------------------------------------------------------- *
+ * IMPORTS
+ * ---------------------------------------------------------------- */
+
+import (
+	"fmt"
+	"reflect"
+
+	"ads/internal/core/logging"
+	"ads/internal/core/utils"
+)
+
+/* ---------------------------------------------------------------- *
+ * METHOD prompt options
+ * ---------------------------------------------------------------- */
+
+// Zeigt Prompt mit Liste von Optionen an
+func PromptListOfOptions(messages []string, options [][2]string, breaks []int, defaultChoice string) (string, bool) {
+	var n = len(options)
+	var (
+		choice string
+		cancel bool
+		err    error
+	)
+	var lines []interface{}
+	var optionsMap = map[string]string{}
+
+	// Erzeuge Messages
+	lines = []interface{}{}
+	for _, message := range messages {
+		lines = append(lines, message)
+	}
+	lines = append(lines, "")
+	for i, obj := range options {
+		key := obj[0]
+		label := obj[1]
+		optionsMap[key] = label
+		if key == defaultChoice {
+			lines = append(lines, fmt.Sprintf("\033[91m*\033[0m\033[93;1m%v)\033[0m %v", key, label))
+		} else {
+			lines = append(lines, fmt.Sprintf(" \033[93;1m%v)\033[0m %v", key, label))
+		}
+		if i < n-1 && utils.ArrayContains(breaks, i) {
+			lines = append(lines, " \033[93m--------\033[0m")
+		}
+		i++
+	}
+	if !(defaultChoice == "" || defaultChoice == "-1") {
+		lines = append(lines, "")
+		lines = append(lines, "\033[91;2m*\033[0m\033[2m = Default\033[0m")
+	}
+
+	// Wiederhole Prompt, bis gültige Eingabe erreicht
+	for {
+		choice, cancel, err = logging.Prompt(lines...)
+		if cancel {
+			return "", true
+		}
+		if err != nil {
+			logging.ClearScreen()
+			logging.LogError(err)
+			continue
+		}
+		if choice == "" {
+			choice = defaultChoice
+			break
+		}
+		if _, ok := optionsMap[choice]; !ok {
+			logging.ClearScreen()
+			logging.LogError("Ungültige eingabe")
+			continue
+		}
+		break
+	}
+	return choice, false
+}
+
+/* ---------------------------------------------------------------- *
+ * METHOD prompt values
+ * ---------------------------------------------------------------- */
+
+func PromptValue(varname string, typename string, example string, t reflect.Type) (bool, error) {
+	_, cancel, err := logging.Prompt(
+		fmt.Sprintf("Bitte den Wert von \033[1m%s\033[0m als \033[1m%s\033[0m eingeben.", varname, typename),
+		example,
+	)
+	// TODO: input parsen
+	return cancel, err
+}