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/
config.go
102 lines (85 loc) · 2.19 KB
/
config.go
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package main
import (
"encoding/json"
"log"
"os"
"os/user"
)
//Configuration is a struct that contains all configuration fields
type Configuration struct {
Username string `json:"username"`
Password string `json:"password"`
MessageDefault bool `json:"messagedefault"`
Messages int `json:"messages"`
}
// Config is the global configuration of discord-cli
var Config Configuration
//GetConfig retrieves configuration file from ~./config/discord-cli, if it doesn't exist it calls CreateConfig()
func GetConfig() {
//Get User
usr, err := user.Current()
if err != nil {
log.Fatal(err)
}
//Get File
file, err := os.Open(usr.HomeDir + "/.config/discord-cli/config.json")
if err != nil {
log.Println(err)
CreateConfig()
log.Fatalln("Created new config file, please edit contents!")
}
//Decode File
decoder := json.NewDecoder(file)
err = decoder.Decode(&Config)
if err != nil {
log.Println("Failed to decode configuration file")
log.Fatalf("Error: %s", err)
}
}
//CreateConfig creates folder inside $HOME and makes a new empty configuration file
func CreateConfig() {
//Get User
usr, err := user.Current()
if err != nil {
log.Fatal(err)
}
var EmptyStruct Configuration
//Set Default values
EmptyStruct.Messages = 10
EmptyStruct.MessageDefault = true
//Create Folder
err = os.MkdirAll(usr.HomeDir+"/.config/discord-cli/", os.ModePerm)
if err != nil {
log.Fatalln(err)
}
//Create File
file, err := os.Create(usr.HomeDir + "/.config/discord-cli/config.json")
if err != nil {
log.Fatalln(err)
}
//Marshall EmptyStruct
raw, err := json.Marshal(EmptyStruct)
if err != nil {
log.Fatalln(err)
}
//PrintToFile
_, err = file.Write(raw)
if err != nil {
log.Fatalln(err)
}
file.Close()
}
//CheckState checks the current state for essential missing information, errors will fail the program
func CheckState() {
//Get User
usr, err := user.Current()
if err != nil {
log.Fatal(err)
}
if Config.Username == "" {
log.Fatalln("No Username Specified, please edit " + usr.HomeDir + "/.config/discord-cli/config.json")
}
if Config.Password == "" {
log.Fatalln("No Password Specified, please edit " + usr.HomeDir + "/.config/discord-cli/config.json")
}
}