update

examples/app/server.go

@@ -5,55 +5,10 @@ import (
 	"net/http"
 	"os"
 	"strings"
-	"sync"
 
-	"github.com/oarkflow/jsonschema"
 	"github.com/oarkflow/mq/renderer"
 )
 
-type RequestSchemaTemplate struct {
-	Schema   *jsonschema.Schema           `json:"schema"`
-	Renderer *renderer.JSONSchemaRenderer `json:"template"`
-}
-
-var cache = make(map[string]*RequestSchemaTemplate)
-var mu = &sync.Mutex{}
-
-func getCachedRenderer(schemaPath, template string) (*renderer.JSONSchemaRenderer, error) {
-	mu.Lock()
-	defer mu.Unlock()
-	path := fmt.Sprintf("%s:%s", schemaPath, template)
-	if cached, exists := cache[path]; exists {
-		return cached.Renderer, nil
-	}
-
-	schemaContent, err := os.ReadFile(schemaPath)
-	if err != nil {
-		return nil, fmt.Errorf("error reading schema file: %w", err)
-	}
-
-	compiler := jsonschema.NewCompiler()
-	schema, err := compiler.Compile(schemaContent)
-	if err != nil {
-		return nil, fmt.Errorf("error compiling schema: %w", err)
-	}
-
-	templatePath := fmt.Sprintf("templates/%s.html", template)
-	htmlLayout, err := os.ReadFile(templatePath)
-	if err != nil {
-		return nil, fmt.Errorf("failed to load template: %w", err)
-	}
-
-	renderer := renderer.NewJSONSchemaRenderer(schema, string(htmlLayout))
-	cachedTemplate := &RequestSchemaTemplate{
-		Schema:   schema,
-		Renderer: renderer,
-	}
-	cache[path] = cachedTemplate
-
-	return cachedTemplate.Renderer, nil
-}
-
 func main() {
 	http.Handle("/form.css", http.FileServer(http.Dir("templates")))
 	http.HandleFunc("/render", func(w http.ResponseWriter, r *http.Request) {
@@ -69,7 +24,7 @@ func main() {
 		if !strings.Contains(schemaHTML, ".json") {
 			schemaHTML = fmt.Sprintf("%s.json", schemaHTML)
 		}
-		renderer, err := getCachedRenderer(schemaHTML, templateName)
+		renderer, err := renderer.Get(schemaHTML, templateName)
 		if err != nil {
 			http.Error(w, fmt.Sprintf("Failed to get cached template: %v", err), http.StatusInternalServerError)
 			return

renderer/schema.go

@@ -4,8 +4,10 @@ import (
 	"bytes"
 	"fmt"
 	"html/template"
+	"os"
 	"sort"
 	"strings"
+	"sync"
 
 	"github.com/oarkflow/jsonschema"
 )
@@ -827,3 +829,46 @@ func renderButtonFromConfig(config map[string]interface{}, defaultType string) s
 	return fmt.Sprintf(`<button %s>%s</button>`,
 		strings.Join(attributes, " "), content)
 }
+
+type RequestSchemaTemplate struct {
+	Schema   *jsonschema.Schema  `json:"schema"`
+	Renderer *JSONSchemaRenderer `json:"template"`
+}
+
+var cache = make(map[string]*RequestSchemaTemplate)
+var mu = &sync.Mutex{}
+
+func Get(schemaPath, template string) (*JSONSchemaRenderer, error) {
+	mu.Lock()
+	defer mu.Unlock()
+	path := fmt.Sprintf("%s:%s", schemaPath, template)
+	if cached, exists := cache[path]; exists {
+		return cached.Renderer, nil
+	}
+
+	schemaContent, err := os.ReadFile(schemaPath)
+	if err != nil {
+		return nil, fmt.Errorf("error reading schema file: %w", err)
+	}
+
+	compiler := jsonschema.NewCompiler()
+	schema, err := compiler.Compile(schemaContent)
+	if err != nil {
+		return nil, fmt.Errorf("error compiling schema: %w", err)
+	}
+
+	templatePath := fmt.Sprintf("templates/%s.html", template)
+	htmlLayout, err := os.ReadFile(templatePath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load template: %w", err)
+	}
+
+	renderer := NewJSONSchemaRenderer(schema, string(htmlLayout))
+	cachedTemplate := &RequestSchemaTemplate{
+		Schema:   schema,
+		Renderer: renderer,
+	}
+	cache[path] = cachedTemplate
+
+	return cachedTemplate.Renderer, nil
+}