feat: reastructure and create commands

internal/ask/ask.go

@@ -0,0 +1,93 @@
+package ask
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+func raw[T any](query string, to byte, validate func(string) (v T, msg string)) T {
+	fmt.Println(query)
+	reader := bufio.NewReader(os.Stdin)
+	for {
+		text, _ := reader.ReadString(to)
+		v, msg := validate(strings.TrimSpace(text[:len(text)-1]))
+
+		if msg == "" {
+			return v
+		}
+		fmt.Println(msg)
+	}
+}
+
+func String(query string, min, max int) string {
+	return raw(query, '\n', func(s string) (v string, msg string) {
+		v = s
+
+		if min >= 0 && len(v) < min {
+			msg = fmt.Sprintf("your input is to short. Minimum length is %d", min)
+			return v, msg
+		}
+		if max >= 0 && len(v) > max {
+			msg = fmt.Sprintf("your input is to long. Maximum length is %d", min)
+			return v, msg
+		}
+		return v, msg
+	})
+}
+
+func StringSlice(query string, min, max, smin, smax int) []string {
+	return raw(query, ';', func(s string) (v []string, msg string) {
+		splits := strings.Split(s, ",")
+		v = make([]string, 0, len(splits))
+		for _, split := range splits {
+			v = append(v, strings.TrimSpace(split))
+		}
+
+		if min >= 0 && len(v) < min {
+			msg = fmt.Sprintf("your input is to short. Minimum length is %d", min)
+		}
+		if max >= 0 && len(v) > max {
+			msg = fmt.Sprintf("your input is to long. Maximum length is %d", max)
+		}
+		for i, s := range v {
+			if smin >= 0 && len(s) < smin {
+				msg = fmt.Sprintf("your is value at index %d is to short. Minimum length is %d", i, smin)
+			}
+			if smax >= 0 && len(s) > smax {
+				msg = fmt.Sprintf("your is value at index %d is to long. Maximum length is %d", i, smax)
+			}
+		}
+
+		return v, msg
+	})
+}
+
+func Boolean(query string, def bool) bool {
+	if def {
+		query += " (Y/n)"
+	} else {
+		query += " (y/N)"
+	}
+	return raw(query, '\n', func(s string) (v bool, msg string) {
+		s = strings.ToLower(s)
+
+		if s == "" {
+			v = def
+			return v, msg
+		}
+
+		if s == "y" {
+			v = true
+			return v, msg
+		}
+		if s == "n" {
+			v = false
+			return v, msg
+		}
+
+		msg = `your answer must be "y" "n" or enter for default`
+		return v, msg
+	})
+}

internal/ask/duration.go

@@ -0,0 +1,25 @@
+package ask
+
+import (
+	"fmt"
+	"time"
+)
+
+func Duration(query string, min, max time.Duration) time.Duration {
+	return raw(query, '\n', func(s string) (v time.Duration, msg string) {
+		v, err := time.ParseDuration(s)
+		if err != nil {
+			msg = "please enter a number"
+			return v, msg
+		}
+		if min >= 0 && v < min {
+			msg = fmt.Sprintf("your number must be bigger than %d", min)
+			return v, msg
+		}
+		if max >= 0 && v > max {
+			msg = fmt.Sprintf("your number must be smaller than %d", min)
+			return v, msg
+		}
+		return v, msg
+	})
+}

internal/ask/number.go

@@ -0,0 +1,44 @@
+package ask
+
+import (
+	"fmt"
+	"strconv"
+)
+
+func Int(query string, min, max int) int {
+	return raw(query, '\n', func(s string) (v int, msg string) {
+		v, err := strconv.Atoi(s)
+		if err != nil {
+			msg = "please enter a number"
+			return v, msg
+		}
+		if min >= 0 && v < min {
+			msg = fmt.Sprintf("your number must be bigger than %d", min)
+			return v, msg
+		}
+		if max >= 0 && v > max {
+			msg = fmt.Sprintf("your number must be smaller than %d", max)
+			return v, msg
+		}
+		return v, msg
+	})
+}
+
+func Float64(query string, min, max float64) float64 {
+	return raw(query, '\n', func(s string) (v float64, msg string) {
+		v, err := strconv.ParseFloat(s, 64)
+		if err != nil {
+			msg = "please enter a number"
+			return v, msg
+		}
+		if min >= 0 && v < min {
+			msg = fmt.Sprintf("your number must be bigger than %g", min)
+			return v, msg
+		}
+		if max >= 0 && v > max {
+			msg = fmt.Sprintf("your number must be smaller than %g", max)
+			return v, msg
+		}
+		return v, msg
+	})
+}