init

config/config.go

@@ -0,0 +1,56 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+type Config struct {
+	Host  string
+	Debug bool
+}
+
+// Load is opinionated by the default location of the config file.
+// This location is the root of the project.
+// Ff you want to change the location then you can use the env var TUUKOTI_CONFIG.
+func Load(path string) (*Config, error) {
+	f, err := os.ReadFile(path)
+	if err != nil {
+		return nil, &ErrMissingConfigFile{
+			Path: path,
+			Err:  err,
+		}
+	}
+
+	cfg := &Config{}
+
+	err = yaml.Unmarshal(f, cfg)
+	if err != nil {
+		return nil, &ErrInvalidConfig{
+			Path: path,
+			Err:  err,
+		}
+	}
+
+	return nil, nil
+}
+
+type ErrMissingConfigFile struct {
+	Path string
+	Err  error
+}
+
+func (e *ErrMissingConfigFile) Error() string {
+	return fmt.Sprintf("unable to location config file: %s, | err: %s", e.Path, e.Err.Error())
+}
+
+type ErrInvalidConfig struct {
+	Path string
+	Err  error
+}
+
+func (e *ErrInvalidConfig) Error() string {
+	return fmt.Sprintf("invalid config file: %s, | err: %s", e.Path, e.Err.Error())
+}