Fix for flashes not clearing bug

themes/bootstrap/templates/_base.html

@@ -69,9 +69,9 @@
     </nav>
 
     <div class="container">
-      {{with .ctx.Session.Flashes "errors"}}
+      {{with .errorFlash}}
       <div class="alert alert-danger">
-        <p>Please fix the following errors and resubmit:<p>
+        <p>Please fix the following errors and try again:<p>
         <ul>
           {{range .}}
           <li>{{.}}</li>

themes/bootstrap/templates/mailbox/index.html

@@ -64,16 +64,6 @@ $(document).ready(function() {
   </div>
 </div>
 <div id="message-container" class="col-md-9">
-  {{with .ctx.Session.Flashes "errors"}}
-  <div class="errors">
-    <p>Please fix the following errors and resubmit:<p>
-    <ul>
-      {{range .}}
-      <li>{{.}}</li>
-      {{end}}
-    </ul>
-  </div>
-  {{end}}
   <div id="message-content">
     <p>Select a message at left, or enter a different username into the box on upper right.</p>
   </div>

webui/mailbox_controller.go

@@ -17,14 +17,12 @@ func MailboxIndex(w http.ResponseWriter, req *http.Request, ctx *httpd.Context)
 	// Form values must be validated manually
 	name := req.FormValue("name")
 	selected := req.FormValue("id")
-
 	if len(name) == 0 {
 		ctx.Session.AddFlash("Account name is required", "errors")
 		_ = ctx.Session.Save(req, w)
 		http.Redirect(w, req, httpd.Reverse("RootIndex"), http.StatusSeeOther)
 		return nil
 	}
-
 	name, err = smtpd.ParseMailboxName(name)
 	if err != nil {
 		ctx.Session.AddFlash(err.Error(), "errors")
@@ -32,15 +30,17 @@ func MailboxIndex(w http.ResponseWriter, req *http.Request, ctx *httpd.Context)
 		http.Redirect(w, req, httpd.Reverse("RootIndex"), http.StatusSeeOther)
 		return nil
 	}
-
 	// Remember this mailbox was visited
 	RememberMailbox(ctx, name)
+	// Get flash messages, save session
+	errorFlash := ctx.Session.Flashes("errors")
 	if err = ctx.Session.Save(req, w); err != nil {
 		return err
 	}
-
+	// Render template
 	return httpd.RenderTemplate("mailbox/index.html", w, map[string]interface{}{
 		"ctx":        ctx,
+		"errorFlash": errorFlash,
 		"name":       name,
 		"selected":   selected,
 	})
@@ -57,7 +57,7 @@ func MailboxLink(w http.ResponseWriter, req *http.Request, ctx *httpd.Context) (
 		http.Redirect(w, req, httpd.Reverse("RootIndex"), http.StatusSeeOther)
 		return nil
 	}
-
+	// Build redirect
 	uri := fmt.Sprintf("%s?name=%s&id=%s", httpd.Reverse("MailboxIndex"), name, id)
 	http.Redirect(w, req, uri, http.StatusSeeOther)
 	return nil
@@ -81,7 +81,7 @@ func MailboxList(w http.ResponseWriter, req *http.Request, ctx *httpd.Context) (
 		return fmt.Errorf("Failed to get messages for %v: %v", name, err)
 	}
 	log.Tracef("Got %v messsages", len(messages))
-
+	// Render partial template
 	return httpd.RenderPartial("mailbox/_list.html", w, map[string]interface{}{
 		"ctx":      ctx,
 		"name":     name,
@@ -115,10 +115,9 @@ func MailboxShow(w http.ResponseWriter, req *http.Request, ctx *httpd.Context) (
 	if err != nil {
 		return fmt.Errorf("ReadBody(%q) failed: %v", id, err)
 	}
-
 	body := template.HTML(httpd.TextToHTML(mime.Text))
 	htmlAvailable := mime.HTML != ""
-
+	// Render partial template
 	return httpd.RenderPartial("mailbox/_show.html", w, map[string]interface{}{
 		"ctx":           ctx,
 		"name":          name,
@@ -156,7 +155,7 @@ func MailboxHTML(w http.ResponseWriter, req *http.Request, ctx *httpd.Context) (
 	if err != nil {
 		return fmt.Errorf("ReadBody(%q) failed: %v", id, err)
 	}
-
+	// Render partial template
 	w.Header().Set("Content-Type", "text/html; charset=UTF-8")
 	return httpd.RenderPartial("mailbox/_html.html", w, map[string]interface{}{
 		"ctx":     ctx,
@@ -193,7 +192,7 @@ func MailboxSource(w http.ResponseWriter, req *http.Request, ctx *httpd.Context)
 	if err != nil {
 		return fmt.Errorf("ReadRaw(%q) failed: %v", id, err)
 	}
-
+	// Output message source
 	w.Header().Set("Content-Type", "text/plain")
 	if _, err := io.WriteString(w, *raw); err != nil {
 		return err
@@ -221,7 +220,6 @@ func MailboxDownloadAttach(w http.ResponseWriter, req *http.Request, ctx *httpd.
 		http.Redirect(w, req, httpd.Reverse("RootIndex"), http.StatusSeeOther)
 		return nil
 	}
-
 	mb, err := ctx.DataStore.MailboxFor(name)
 	if err != nil {
 		// This doesn't indicate not found, likely an IO error
@@ -247,7 +245,7 @@ func MailboxDownloadAttach(w http.ResponseWriter, req *http.Request, ctx *httpd.
 		return nil
 	}
 	part := body.Attachments[num]
-
+	// Output attachment
 	w.Header().Set("Content-Type", "application/octet-stream")
 	w.Header().Set("Content-Disposition", "attachment")
 	if _, err := io.Copy(w, part); err != nil {
@@ -275,7 +273,6 @@ func MailboxViewAttach(w http.ResponseWriter, req *http.Request, ctx *httpd.Cont
 		http.Redirect(w, req, httpd.Reverse("RootIndex"), http.StatusSeeOther)
 		return nil
 	}
-
 	mb, err := ctx.DataStore.MailboxFor(name)
 	if err != nil {
 		// This doesn't indicate not found, likely an IO error
@@ -301,7 +298,7 @@ func MailboxViewAttach(w http.ResponseWriter, req *http.Request, ctx *httpd.Cont
 		return nil
 	}
 	part := body.Attachments[num]
-
+	// Output attachment
 	w.Header().Set("Content-Type", part.ContentType)
 	if _, err := io.Copy(w, part); err != nil {
 		return err

webui/root_controller.go

@@ -16,17 +16,30 @@ func RootIndex(w http.ResponseWriter, req *http.Request, ctx *httpd.Context) (er
 	if err != nil {
 		return fmt.Errorf("Failed to load greeting: %v", err)
 	}
-
+	// Get flash messages, save session
+	errorFlash := ctx.Session.Flashes("errors")
+	if err = ctx.Session.Save(req, w); err != nil {
+		return err
+	}
+	// Render template
 	return httpd.RenderTemplate("root/index.html", w, map[string]interface{}{
 		"ctx":        ctx,
+		"errorFlash": errorFlash,
 		"greeting":   template.HTML(string(greeting)),
 	})
 }
 
 // RootMonitor serves the Inbucket monitor page
 func RootMonitor(w http.ResponseWriter, req *http.Request, ctx *httpd.Context) (err error) {
+	// Get flash messages, save session
+	errorFlash := ctx.Session.Flashes("errors")
+	if err = ctx.Session.Save(req, w); err != nil {
+		return err
+	}
+	// Render template
 	return httpd.RenderTemplate("root/monitor.html", w, map[string]interface{}{
 		"ctx":        ctx,
+		"errorFlash": errorFlash,
 	})
 }
 
@@ -38,8 +51,15 @@ func RootStatus(w http.ResponseWriter, req *http.Request, ctx *httpd.Context) (e
 		config.GetPOP3Config().IP4port)
 	webListener := fmt.Sprintf("%s:%d", config.GetWebConfig().IP4address.String(),
 		config.GetWebConfig().IP4port)
+	// Get flash messages, save session
+	errorFlash := ctx.Session.Flashes("errors")
+	if err = ctx.Session.Save(req, w); err != nil {
+		return err
+	}
+	// Render template
 	return httpd.RenderTemplate("root/status.html", w, map[string]interface{}{
 		"ctx":             ctx,
+		"errorFlash":      errorFlash,
 		"version":         config.Version,
 		"buildDate":       config.BuildDate,
 		"smtpListener":    smtpListener,