#1

.gitignore

@@ -0,0 +1 @@
+.idea

go.mod

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+module github.com/rdarius/boot-dev-blog-aggregator
+
+go 1.23.6

internal/config/config.go

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+package config
+
+import (
+	"encoding/json"
+	"os"
+	"os/user"
+)
+
+const configFileName = ".gatorconfig.json"
+
+type Config struct {
+	DbUrl           string `json:"db_url"`
+	CurrentUserName string `json:"current_user_name"`
+}
+
+func Read() (Config, error) {
+	filePath, err := getConfigFilePath()
+	if err != nil {
+		return Config{}, err
+	}
+
+	// read file
+	data, err := os.ReadFile(filePath)
+	if err != nil {
+		return Config{}, err
+	}
+
+	cfg := Config{}
+	err = json.Unmarshal(data, &cfg)
+	return cfg, nil
+
+}
+
+func (config Config) SetUser() error {
+	usr, err := user.Current()
+
+	if err != nil {
+		return err
+	}
+
+	config.CurrentUserName = usr.Username
+
+	err = write(config)
+	if err != nil {
+		return err
+	}
+
+	return nil
+
+}
+
+func getConfigFilePath() (string, error) {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return "", err
+	}
+	return homeDir + "/" + configFileName, nil
+}
+
+func write(cfg Config) error {
+
+	filePath, err := getConfigFilePath()
+	if err != nil {
+		return err
+	}
+
+	file, err := os.Create(filePath)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	encoder := json.NewEncoder(file)
+	encoder.SetIndent("", "  ") // For pretty printing
+	err = encoder.Encode(cfg)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

main.go

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+package main
+
+import (
+	"fmt"
+	"github.com/rdarius/boot-dev-blog-aggregator/internal/config"
+	"log"
+)
+
+func main() {
+
+	cfg, err := config.Read()
+	if err != nil {
+		log.Fatal(err)
+	}
+	cfg.SetUser()
+
+	cfg2, err := config.Read()
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("%v\n", cfg2)
+
+}