first commit

internal/utils/filesystem.go

@@ -0,0 +1,60 @@
+package utils
+
+import (
+	"bytes"
+	"os"
+)
+
+func SaveStaticFile(path string, data []byte) error {
+	return os.WriteFile(path, data, 0644)
+}
+
+func CreateDir(path string) error {
+	return os.Mkdir(path, 0755)
+}
+
+func CreateDirIfNotExists(path string) error {
+	exists, err := IsExistsDir(path)
+	if err != nil {
+		return err
+	}
+
+	if !exists {
+		if err = CreateDir(path); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func IsExistsDir(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}
+
+func RemoveFile(path string) error {
+	return os.Remove(path)
+}
+
+func WriteStringFile(path string, data string) error {
+	buffer := &bytes.Buffer{}
+	buffer.WriteString(data)
+
+	return os.WriteFile(path, buffer.Bytes(), 0644)
+}
+
+func ReadStringFile(path string) (string, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return "", err
+	}
+
+	return string(data), nil
+}

internal/utils/logger/logger.go

@@ -0,0 +1,39 @@
+package logger
+
+import "fmt"
+
+type LogVerbose uint8
+
+const (
+	Warning LogVerbose = 0
+	Info               = 1
+	Debug              = 2
+	Trace              = 3
+)
+
+type Logger struct {
+	// Уровень логирования
+	Verbose LogVerbose
+}
+
+func (log *Logger) Warn(message string) {
+	fmt.Printf("[warning] %s\n", message)
+}
+
+func (log *Logger) Info(message string) {
+	if log.Verbose >= Info {
+		fmt.Printf("[info] %s\n", message)
+	}
+}
+
+func (log *Logger) Debug(message string) {
+	if log.Verbose >= Debug {
+		fmt.Printf("[debug] %s\n", message)
+	}
+}
+
+func (log *Logger) Trace(message string) {
+	if log.Verbose >= Trace {
+		fmt.Printf("[trace] %s\n", message)
+	}
+}

internal/utils/yaml_utils.go

@@ -0,0 +1,36 @@
+package utils
+
+import (
+	"bytes"
+	"gopkg.in/yaml.v3"
+	"os"
+)
+
+func YamlHeader() string {
+	return "# vi: set tabstop=2 shiftwidth=2 expandtab :\n---\n"
+}
+
+func WriteYaml(data interface{}, yamlFile string) error {
+	buffer := &bytes.Buffer{}
+	buffer.WriteString(YamlHeader())
+
+	yamlEncoder := yaml.NewEncoder(buffer)
+	yamlEncoder.SetIndent(2)
+
+	if err := yamlEncoder.Encode(data); err != nil {
+		return err
+	}
+
+	if err := os.WriteFile(yamlFile, buffer.Bytes(), 0644); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func WriteEmptyYaml(yamlFile string) error {
+	buffer := &bytes.Buffer{}
+	buffer.WriteString(YamlHeader())
+
+	return os.WriteFile(yamlFile, buffer.Bytes(), 0644)
+}