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gitea/modules/web/middleware/flash.go

52 lines
1.3 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package middleware
import "net/url"
// 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)
}
showInCurrentPage := len(current) > 0 && current[0]
if showInCurrentPage {
// assign it to the context data, then the template can use ".Flash.XxxMsg" to render the message
f.DataStore.GetData()["Flash"] = f
} else {
// the message map will be saved into the cookie and be shown in next response (a new page response which decodes the cookie)
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...)
}