small refactor

handler/util.go

@@ -2,20 +2,15 @@ package handler
 
 import (
 	"crypto/rand"
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
 	"io"
-	"net/http"
-	"strings"
-
-	"github.com/a-h/templ"
-	"github.com/alecthomas/chroma/v2"
-	"github.com/alecthomas/chroma/v2/formatters/html"
-	"github.com/alecthomas/chroma/v2/lexers"
-	"github.com/alecthomas/chroma/v2/styles"
+	"time"
 )
 
 const charset = "abcdefghijklmnopqrstuvwxyz0123456789"
 
-// generateId generates a random 10-character alphanumeric string.
 func generateId() (string, error) {
 	bytes := make([]byte, 10)
 	if _, err := io.ReadFull(rand.Reader, bytes); err != nil {
@@ -28,50 +23,24 @@ func generateId() (string, error) {
 	return string(bytes), nil
 }
 
-// highlight highlights the given content using the specified file extension and theme.
-func highlight(content, ext, theme string) (string, error) {
-	var lexer chroma.Lexer
+func TimeAgo(t time.Time) string {
+	ago := time.Since(t)
+	seconds := int(ago.Seconds())
 
-	if ext != "" {
-		lexer = lexers.Get(ext)
-		if lexer != nil && lexer.Config().Name == "plaintext" {
-			analysedLexer := lexers.Analyse(content)
-			if analysedLexer != nil {
-				lexer = analysedLexer
-			}
-		}
-	}
-
-	if lexer == nil {
-		lexer = lexers.Fallback
-	}
-	lexer = chroma.Coalesce(lexer)
-
-	formatter := html.New(
-		html.WithLineNumbers(true),
-		html.TabWidth(4),
-	)
-
-	style := styles.Get(theme)
-	if style == nil {
-		style = styles.Fallback
-	}
-
-	iterator, err := lexer.Tokenise(nil, content)
-	if err != nil {
-		return "", err
-	}
-
-	var buf strings.Builder
-	if err := formatter.Format(&buf, style, iterator); err != nil {
-		return "", err
-	}
-	return buf.String(), nil
-}
-
-// render renders the given component to the response writer, handling any errors.
-func render(component templ.Component, w http.ResponseWriter, r *http.Request) {
-	if err := component.Render(r.Context(), w); err != nil {
-		internal("could not render template", err, w, r)
+	switch {
+	case seconds < 60:
+		return fmt.Sprintf("%ds ago", seconds)
+	case seconds < 3600:
+		return fmt.Sprintf("%dm ago", seconds/60)
+	case seconds < 86400:
+		return fmt.Sprintf("%dh ago", seconds/3600)
+	default:
+		return fmt.Sprintf("%dd ago", seconds/86400)
 	}
 }
+
+func hash(content string) string {
+	h := sha256.New()
+	h.Write([]byte(content))
+	return hex.EncodeToString(h.Sum(nil))
+}