update layout, pdf export for headeranalyzer needs fixing layout

parser/handler.go

@@ -0,0 +1,86 @@
+package parser
+
+import (
+	"embed"
+	"html/template"
+	"net/http"
+	"strings"
+)
+
+type Handler struct {
+	templates *template.Template
+}
+
+func NewHandler(embeddedFiles embed.FS) *Handler {
+	tmpl := template.Must(template.New("").Funcs(template.FuncMap{
+		"splitString": func(s, delimiter string) []string {
+			return strings.Split(s, delimiter)
+		},
+		"contains": func(s, substr string) bool {
+			return strings.Contains(s, substr)
+		},
+		"add": func(a, b int) int {
+			return a + b
+		},
+		"ge": func(a, b int) bool {
+			return a >= b
+		},
+		"gt": func(a, b int) bool {
+			return a > b
+		},
+		"eq": func(a, b interface{}) bool {
+			return a == b
+		},
+		"index": func(slice []string, i int) string {
+			if i >= 0 && i < len(slice) {
+				return slice[i]
+			}
+			return ""
+		},
+		"len": func(v interface{}) int {
+			switch s := v.(type) {
+			case []string:
+				return len(s)
+			case map[string]string:
+				return len(s)
+			case string:
+				return len(s)
+			default:
+				return 0
+			}
+		},
+		"ne": func(a, b interface{}) bool {
+			return a != b
+		},
+	}).ParseFS(embeddedFiles, "web/base.html", "web/headeranalyzer.html"))
+
+	return &Handler{
+		templates: tmpl,
+	}
+}
+
+func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if r.Method == http.MethodPost {
+		headers := r.FormValue("headers")
+		report := Analyze(headers)
+		// Create a wrapper struct to include current page info
+		data := struct {
+			*Report
+			CurrentPage string
+		}{
+			Report:      report,
+			CurrentPage: "home",
+		}
+		h.templates.ExecuteTemplate(w, "headeranalyzer.html", data)
+		return
+	}
+	// For GET requests, create an empty report so template conditions work
+	data := struct {
+		*Report
+		CurrentPage string
+	}{
+		Report:      &Report{}, // Empty report so .From will be empty string
+		CurrentPage: "home",
+	}
+	h.templates.ExecuteTemplate(w, "headeranalyzer.html", data)
+}