Rip options out into separate file

.env.example

@@ -2,4 +2,5 @@ DB_PATH=db.sqlite
 ESI_CLIENT_ID=your-client-id
 ESI_REDIRECT_URI=http://localhost:3000/callback
 ESI_SCOPES=esi-planets.manage_planets.v1
-HTTP_SERVER_PORT=3000
+HTTP_SERVER_PORT=3000
+ESI_REFRESH_INTERVAL=P10M

main.go

@@ -3,40 +3,20 @@ package main
 import (
 	"context"
 	"flag"
-	"fmt"
 	"os"
 	"os/signal"
-	"strings"
 
 	logger "git.site.quack-lab.dev/dave/cylogger"
 
 	"github.com/fasthttp/router"
-	"github.com/joho/godotenv"
 	"github.com/valyala/fasthttp"
 )
 
-type Options struct {
-	ClientID    string
-	RedirectURI string
-	Scopes      []string
-	DBPath      string
-	Port        string
-}
-
-var options Options
-
 func main() {
 	flag.Parse()
 	logger.InitFlag()
 	logger.Info("Starting Eve PI")
 
-	var err error
-	options, err = LoadOptions()
-	if err != nil {
-		logger.Error("Failed to load options %v", err)
-		return
-	}
-
 	// Create SSO instance
 	sso, err := NewSSO(
 		options.ClientID,
@@ -97,40 +77,3 @@ func main() {
 	logger.Info("SIGINT received, shutting down web server gracefully...")
 	logger.Info("Web server shut down cleanly")
 }
-
-func LoadOptions() (Options, error) {
-	// Load environment variables strictly from .env file (fail if there's an error loading)
-	if err := godotenv.Load(); err != nil {
-		return Options{}, fmt.Errorf("error loading .env file: %w", err)
-	}
-
-	clientID := os.Getenv("ESI_CLIENT_ID")
-	if clientID == "" {
-		return Options{}, fmt.Errorf("ESI_CLIENT_ID is required in .env file")
-	}
-	redirectURI := os.Getenv("ESI_REDIRECT_URI")
-	if redirectURI == "" {
-		return Options{}, fmt.Errorf("ESI_REDIRECT_URI is required in .env file")
-	}
-	rawScopes := os.Getenv("ESI_SCOPES")
-	if rawScopes == "" {
-		return Options{}, fmt.Errorf("ESI_SCOPES is required in .env file")
-	}
-	scopes := strings.Fields(rawScopes)
-	dbPath := os.Getenv("DB_PATH")
-	if dbPath == "" {
-		return Options{}, fmt.Errorf("DB_PATH is required in .env file")
-	}
-	port := os.Getenv("HTTP_SERVER_PORT")
-	if port == "" {
-		return Options{}, fmt.Errorf("HTTP_SERVER_PORT is required in .env file")
-	}
-
-	return Options{
-		ClientID:    clientID,
-		RedirectURI: redirectURI,
-		Scopes:      scopes,
-		DBPath:      dbPath,
-		Port:        port,
-	}, nil
-}

options.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	logger "git.site.quack-lab.dev/dave/cylogger"
+	"github.com/joho/godotenv"
+)
+
+var options Options
+
+func init() {
+	var err error
+	options, err = LoadOptions()
+	if err != nil {
+		logger.Error("Failed to load options %v", err)
+		return
+	}
+}
+
+type Options struct {
+	ClientID    string
+	RedirectURI string
+	Scopes      []string
+	DBPath      string
+	Port        string
+}
+
+func LoadOptions() (Options, error) {
+	// Load environment variables strictly from .env file (fail if there's an error loading)
+	if err := godotenv.Load(); err != nil {
+		return Options{}, fmt.Errorf("error loading .env file: %w", err)
+	}
+
+	clientID := os.Getenv("ESI_CLIENT_ID")
+	if clientID == "" {
+		return Options{}, fmt.Errorf("ESI_CLIENT_ID is required in .env file")
+	}
+	redirectURI := os.Getenv("ESI_REDIRECT_URI")
+	if redirectURI == "" {
+		return Options{}, fmt.Errorf("ESI_REDIRECT_URI is required in .env file")
+	}
+	rawScopes := os.Getenv("ESI_SCOPES")
+	if rawScopes == "" {
+		return Options{}, fmt.Errorf("ESI_SCOPES is required in .env file")
+	}
+	scopes := strings.Fields(rawScopes)
+	dbPath := os.Getenv("DB_PATH")
+	if dbPath == "" {
+		return Options{}, fmt.Errorf("DB_PATH is required in .env file")
+	}
+	port := os.Getenv("HTTP_SERVER_PORT")
+	if port == "" {
+		return Options{}, fmt.Errorf("HTTP_SERVER_PORT is required in .env file")
+	}
+
+	return Options{
+		ClientID:    clientID,
+		RedirectURI: redirectURI,
+		Scopes:      scopes,
+		DBPath:      dbPath,
+		Port:        port,
+	}, nil
+}