everybody loves a refactor

internal/respond/error.go

@@ -0,0 +1,36 @@
+// Package respond provides utilities for raw HTTP responses that don't fit into the throw or notify categories
+package respond
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+func OK(w http.ResponseWriter) {
+	w.WriteHeader(http.StatusOK)
+}
+
+func BadRequest(w http.ResponseWriter, err error) {
+	respondError(w, http.StatusBadRequest, err)
+}
+
+func NotFound(w http.ResponseWriter, err error) {
+	respondError(w, http.StatusNotFound, err)
+}
+
+func Conflict(w http.ResponseWriter, err error) {
+	respondError(w, http.StatusConflict, err)
+}
+
+func respondError(w http.ResponseWriter, statusCode int, err error) {
+	details := map[string]any{
+		"error":   statusCode,
+		"details": fmt.Sprintf("%s", err),
+	}
+	resp, err := json.Marshal(details)
+	w.WriteHeader(statusCode)
+	if err == nil {
+		_, _ = w.Write(resp)
+	}
+}

internal/respond/headers.go

@@ -0,0 +1,39 @@
+package respond
+
+import (
+	"fmt"
+	"net/http"
+	"path/filepath"
+)
+
+func HXRedirect(w http.ResponseWriter, format string, a ...any) {
+	w.Header().Set("HX-Redirect", fmt.Sprintf(format, a...))
+	w.WriteHeader(http.StatusOK)
+}
+
+func ContentType(w http.ResponseWriter, r *http.Request) {
+	ext := filepath.Ext(r.URL.Path)
+	if contentType := mimeTypes[ext]; contentType != "" {
+		w.Header().Set("Content-Type", contentType)
+	}
+}
+
+// Common MIME types for static files
+var mimeTypes = map[string]string{
+	".html":  "text/html; charset=utf-8",
+	".css":   "text/css; charset=utf-8",
+	".js":    "application/javascript; charset=utf-8",
+	".json":  "application/json; charset=utf-8",
+	".xml":   "application/xml; charset=utf-8",
+	".png":   "image/png",
+	".jpg":   "image/jpeg",
+	".jpeg":  "image/jpeg",
+	".gif":   "image/gif",
+	".svg":   "image/svg+xml",
+	".ico":   "image/x-icon",
+	".webp":  "image/webp",
+	".woff":  "font/woff",
+	".woff2": "font/woff2",
+	".ttf":   "font/ttf",
+	".eot":   "application/vnd.ms-fontobject",
+}