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forgejo/modules/web/middleware/flash.go
wxiaoguang 5d77691d42
Improve template system and panic recovery (#24461)
Partially for #24457

Major changes:

1. The old `signedUserNameStringPointerKey` is quite hacky, use
`ctx.Data[SignedUser]` instead
2. Move duplicate code from `Contexter` to `CommonTemplateContextData`
3. Remove incorrect copying&pasting code `ctx.Data["Err_Password"] =
true` in API handlers
4. Use one unique `RenderPanicErrorPage` for panic error page rendering
5. Move `stripSlashesMiddleware` to be the first middleware
6. Install global panic recovery handler, it works for both `install`
and `web`
7. Make `500.tmpl` only depend minimal template functions/variables,
avoid triggering new panics

Screenshot:

<details>

![image](https://user-images.githubusercontent.com/2114189/235444895-cecbabb8-e7dc-4360-a31c-b982d11946a7.png)

</details>
2023-05-04 14:36:34 +08:00

65 lines
1.4 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package middleware
import "net/url"
// flashes enumerates all the flash types
const (
SuccessFlash = "SuccessMsg"
ErrorFlash = "ErrorMsg"
WarnFlash = "WarningMsg"
InfoFlash = "InfoMsg"
)
// FlashNow FIXME:
var FlashNow bool
// Flash represents a one time data transfer between two requests.
type Flash struct {
DataStore ContextDataStore
url.Values
ErrorMsg, WarningMsg, InfoMsg, SuccessMsg string
}
func (f *Flash) set(name, msg string, current ...bool) {
if f.Values == nil {
f.Values = make(map[string][]string)
}
isShow := false
if (len(current) == 0 && FlashNow) ||
(len(current) > 0 && current[0]) {
isShow = true
}
if isShow {
f.DataStore.GetData()["Flash"] = f
} else {
f.Set(name, msg)
}
}
// Error sets error message
func (f *Flash) Error(msg string, current ...bool) {
f.ErrorMsg = msg
f.set("error", msg, current...)
}
// Warning sets warning message
func (f *Flash) Warning(msg string, current ...bool) {
f.WarningMsg = msg
f.set("warning", msg, current...)
}
// Info sets info message
func (f *Flash) Info(msg string, current ...bool) {
f.InfoMsg = msg
f.set("info", msg, current...)
}
// Success sets success message
func (f *Flash) Success(msg string, current ...bool) {
f.SuccessMsg = msg
f.set("success", msg, current...)
}