factor out logging

src/config/config.go

@@ -1,6 +1,9 @@
 package config
 
-import "embed"
+import (
+	"embed"
+	"errors"
+)
 
 var Core embed.FS
 var Port *int
@@ -13,3 +16,5 @@ type MyConfig struct {
 		Authors []string `toml:"authors"`
 	} `toml:"app"`
 }
+
+var ErrRouteMiss = errors.New("not found")

src/server/server.go

@@ -2,6 +2,7 @@ package server
 
 import (
 	"fmt"
+	"html/template"
 	"io/fs"
 	"net/http"
 	"os"
@@ -13,13 +14,13 @@ import (
 	"time"
 
 	"fes/src/config"
-	"github.com/fatih/color"
+	"fes/src/ui"
+
 	"github.com/gomarkdown/markdown"
 	"github.com/gomarkdown/markdown/html"
 	"github.com/gomarkdown/markdown/parser"
 	"github.com/pelletier/go-toml/v2"
 	lua "github.com/yuin/gopher-lua"
-	"html/template"
 )
 
 type reqData struct {
@@ -352,18 +353,18 @@ func generateArchiveIndex(fsPath string, urlPath string) (string, error) {
 
 func Start(dir string) error {
 	if err := os.Chdir(dir); err != nil {
-		return fmt.Errorf("failed to change directory to %s: %w", dir, err)
+		return ui.Error(fmt.Sprintf("failed to change directory to %s", dir), err)
 	}
 	dir = "."
 
 	tomlDocument, err := os.ReadFile("Fes.toml")
 	if err != nil {
-		return fmt.Errorf("failed to read Fes.toml: %w", err)
+		return ui.Error("failed to read Fes.toml", err)
 	}
 	docStr := fixMalformedToml(string(tomlDocument))
 	var cfg config.MyConfig
 	if err := toml.Unmarshal([]byte(docStr), &cfg); err != nil {
-		fmt.Printf("Warning: failed to parse Fes.toml: %v\n", err)
+		ui.Warning("failed to parse Fes.toml", err)
 		cfg.App.Authors = []string{"unknown"}
 		cfg.App.Name = "unknown"
 		cfg.App.Version = "unknown"
@@ -391,26 +392,28 @@ func Start(dir string) error {
 	routes := make(map[string]string)
 	if entries, err := os.ReadDir("www"); err == nil {
 		if err := handleDir(entries, "www", routes, "", false); err != nil {
-			fmt.Printf("Warning: failed to handle www directory: %v\n", err)
+			ui.Warning("failed to handle www directory", err)
 		}
 	}
 
 	if entries, err := os.ReadDir("static"); err == nil {
 		if err := handleDir(entries, "static", routes, "/static", true); err != nil {
-			fmt.Printf("Warning: failed to handle static directory: %v\n", err)
+			ui.Warning("failed to handle static directory", err)
 		}
 	}
 
 	if entries, err := os.ReadDir("archive"); err == nil {
 		if err := handleDir(entries, "archive", routes, "/archive", true); err != nil {
-			fmt.Printf("Warning: failed to handle archive directory: %v\n", err)
+			ui.Warning("failed to handle archive directory", err)
 		}
 	}
 
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		path := r.URL.Path
-		p, ok := routes[path]
-		fmt.Printf("> %s ", basePath(filepath.Base(p)))
+		route, ok := routes[path]
+		var status error = nil
+
+		route = basePath(route)
 
 		if !ok && strings.HasPrefix(path, "/archive") {
 			fsPath := "." + path
@@ -421,12 +424,11 @@ func Start(dir string) error {
 					return
 				}
 			}
-		}
-
-		if !ok {
+		} else if !ok {
 			w.WriteHeader(http.StatusNotFound)
 			w.Write([]byte(notFoundData))
-			color.Yellow("not found")
+
+			ui.Path(path, config.ErrRouteMiss)
 			return
 		}
 
@@ -443,27 +445,26 @@ func Start(dir string) error {
 		}
 
 		var data []byte
-		var err error
 
-		if strings.HasSuffix(p, ".lua") {
+		if strings.HasSuffix(route, ".lua") {
 			var b string
-			b, err = loadLua(dir, p, &cfg, req)
+			b, err = loadLua(dir, route, &cfg, req)
 			data = []byte(b)
-		} else if strings.HasSuffix(p, ".md") {
-			data, err = os.ReadFile(p)
+		} else if strings.HasSuffix(route, ".md") {
+			data, err = os.ReadFile(route)
 			data = []byte(markdownToHTML(string(data)))
 		} else {
-			data, err = os.ReadFile(p)
+			data, err = os.ReadFile(route)
 		}
 
 		if err != nil {
 			http.Error(w, fmt.Sprintf("Error loading page: %v", err), http.StatusInternalServerError)
-			color.Red("bad")
+			status = err
 			return
 		}
 
 		w.Write(data)
-		color.Green("ok")
+		ui.Path(path, status)
 	})
 
 	fmt.Printf("Server is running on http://localhost:%d\n", *config.Port)

src/ui/ui.go

@@ -0,0 +1,55 @@
+package ui
+
+import (
+	"errors"
+	"fes/src/config"
+	"fmt"
+	"strings"
+
+	"github.com/fatih/color"
+)
+
+func Path(path string, err error) {
+	path = strings.TrimPrefix(path, "/")
+
+	if path == "" {
+		path = "/"
+	}
+
+	fmt.Printf("> %s ", path)
+	if err == nil {
+		OK("ok")
+		return
+	} else if errors.Is(err, config.ErrRouteMiss) {
+		WARN(config.ErrRouteMiss.Error())
+	} else {
+		ERROR("bad")
+	}
+}
+
+func Warning(msg string, err error) error {
+	fmt.Printf("fes: %s: %v\n", color.MagentaString("warning"), err)
+	return err
+}
+
+func Error(msg string, err error) error {
+	fmt.Printf("fes: %s: %v\n", color.RedString("error"), err)
+	return err
+}
+
+func Fatal(msg string, err error) error {
+	fmt.Printf("fes: %s: %v\n", color.RedString("fatal"), err)
+	panic(err)
+}
+
+func OK(msg string) {
+	color.Green(msg)
+}
+
+func WARN(msg string) {
+	color.Magenta(msg)
+}
+
+func ERROR(msg string) {
+	color.Red(msg)
+}