refactored out global. long live AppState

global/config.go

@@ -1,105 +0,0 @@
-package global
-
-import (
-	"errors"
-	"fmt"
-	"os"
-	"strconv"
-
-	"github.com/jmoiron/sqlx"
-	"github.com/pelletier/go-toml/v2"
-)
-
-type (
-    dbConfig struct {
-        Host string `toml:"host"`
-        Port int64  `toml:"port"`
-        Name string `toml:"name"`
-        User string `toml:"user"`
-        Pass string `toml:"pass"`
-    }
-
-    discordConfig struct {
-        AdminID string `toml:"admin_id" comment:"NOTE: admin_id to be deprecated in favour of local accounts and SSO."`
-        ClientID string `toml:"client_id"`
-        Secret string `toml:"secret"`
-    }
-
-    config struct {
-        BaseUrl string `toml:"base_url" comment:"Used for OAuth redirects."`
-        Port int64 `toml:"port"`
-        DataDirectory string `toml:"data_dir"`
-        DB dbConfig `toml:"db"`
-        Discord discordConfig `toml:"discord"`
-    }
-)
-
-var Config = func() config {
-    configFile := os.Getenv("ARIMELODY_CONFIG")
-    if configFile == "" {
-        configFile = "config.toml"
-    }
-
-    config := config{
-        BaseUrl: "https://arimelody.me",
-        Port: 8080,
-        DB: dbConfig{
-            Host: "127.0.0.1",
-            Port: 5432,
-            User: "arimelody",
-            Name: "arimelody",
-        },
-    }
-
-    data, err := os.ReadFile(configFile)
-    if err != nil {
-        configOut, _ := toml.Marshal(&config)
-        os.WriteFile(configFile, configOut, os.ModePerm)
-        fmt.Printf(
-            "A default config.toml has been created. " +
-            "Please configure before running again!\n")
-        os.Exit(0)
-    }
-
-    err = toml.Unmarshal([]byte(data), &config)
-    if err != nil {
-        fmt.Fprintf(os.Stderr, "FATAL: Failed to parse configuration file: %v\n", err)
-        os.Exit(1)
-    }
-
-    err = handleConfigOverrides(&config)
-    if err != nil {
-        fmt.Fprintf(os.Stderr, "FATAL: Failed to parse environment variable %v\n", err)
-        os.Exit(1)
-    }
-
-    return config
-}()
-
-func handleConfigOverrides(config *config) error {
-    var err error
-
-    if env, has := os.LookupEnv("ARIMELODY_BASE_URL"); has { config.BaseUrl = env }
-    if env, has := os.LookupEnv("ARIMELODY_PORT"); has {
-        config.Port, err = strconv.ParseInt(env, 10, 0)
-        if err != nil { return errors.New("ARIMELODY_PORT: " + err.Error()) }
-    }
-    if env, has := os.LookupEnv("ARIMELODY_DATA_DIR"); has { config.DataDirectory = env }
-
-    if env, has := os.LookupEnv("ARIMELODY_DB_HOST"); has { config.DB.Host = env }
-    if env, has := os.LookupEnv("ARIMELODY_DB_PORT"); has {
-        config.DB.Port, err = strconv.ParseInt(env, 10, 0)
-        if err != nil { return errors.New("ARIMELODY_DB_PORT: " + err.Error()) }
-    }
-    if env, has := os.LookupEnv("ARIMELODY_DB_NAME"); has { config.DB.Name = env }
-    if env, has := os.LookupEnv("ARIMELODY_DB_USER"); has { config.DB.User = env }
-    if env, has := os.LookupEnv("ARIMELODY_DB_PASS"); has { config.DB.Pass = env }
-
-    if env, has := os.LookupEnv("ARIMELODY_DISCORD_ADMIN_ID"); has { config.Discord.AdminID = env }
-    if env, has := os.LookupEnv("ARIMELODY_DISCORD_CLIENT_ID"); has { config.Discord.ClientID = env }
-    if env, has := os.LookupEnv("ARIMELODY_DISCORD_SECRET"); has { config.Discord.Secret = env }
-
-    return nil
-}
-
-var DB *sqlx.DB