1 files changed, 26 insertions, 0 deletions
diff --git a/cmd/web/helpers.go b/cmd/web/helpers.go
new file mode 100644
index 0000000..ea09979
--- /dev/null
+++ b/cmd/web/helpers.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+    "log"
+    "runtime/debug"
+	"net/http"
+)
+
+func (app *application) serverError(w http.ResponseWriter, r *http.Request, err error) {
+	var (
+		method = r.Method
+		uri    = r.URL.RequestURI()
+		trace  = string(debug.Stack())
+	)
+
+	app.logger.Error(err.Error(), "method", method, "uri", uri, "trace", trace)
+	log.Printf("Crash! %s %s %s", method, uri, trace)
+	http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+}
+
+// The clientError helper sends a specific status code and corresponding description
+// to the user. We'll use this later in the book to send responses like 400 "Bad
+// Request" when there's a problem with the request that the user sent.
+func (app *application) clientError(w http.ResponseWriter, status int) {
+    http.Error(w, http.StatusText(status), status)
+}