refactor: templates api logic

internal/template/middleware.go

@@ -0,0 +1,45 @@
+package template
+
+import (
+	"net/http"
+	"tesseract/internal/service"
+
+	"github.com/labstack/echo/v4"
+)
+
+func newTemplateManagerMiddleware(service service.Services) echo.MiddlewareFunc {
+	mgr := templateManager{
+		db:           service.Database,
+		dockerClient: service.DockerClient,
+	}
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			c.Set("templateManager", &mgr)
+			return next(c)
+		}
+	}
+}
+
+func validateTemplateName(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		templateName := c.Param("templateName")
+		if templateName == "" || !templateNameRegex.MatchString(templateName) {
+			return echo.NewHTTPError(http.StatusNotFound)
+		}
+		return next(c)
+	}
+}
+
+func validateTemplateFilePath(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		filePath := c.Param("filePath")
+		if filePath == "" {
+			return echo.NewHTTPError(http.StatusNotFound)
+		}
+		return next(c)
+	}
+}
+
+func templateManagerFrom(c echo.Context) *templateManager {
+	return c.Get("templateManager").(*templateManager)
+}