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package Messages
import (
"github.com/gorilla/context"
"fmt"
"net/http"
)
const MessagesKey = "messages"
type Messages struct {
Errors map[string][]string
Infos map[string][]string
r *http.Request
}
func GetMessages(r *http.Request) *Messages {
if rv := context.Get(r, MessagesKey); rv != nil {
return rv.(*Messages)
} else {
context.Set(r, MessagesKey, &Messages{})
return &Messages{make(map[string][]string),make(map[string][]string), r}
}
}
func (mes *Messages) AddError(name string, msg string) {
if (mes.Errors == nil) {
mes.Errors = make(map[string][]string)
}
mes.Errors[name] = append(mes.Errors[name], msg)
mes.setMessagesInContext()
}
func (mes *Messages) AddErrorf( name string, msg string, args ...interface{}) {
mes.AddError(name, fmt.Sprintf(msg, args...))
}
func (mes *Messages) ImportFromError(name string, err error) {
mes.AddError(name, err.Error())
}
func (mes *Messages) AddInfo(name string, msg string) {
if (mes.Infos == nil) {
mes.Infos = make(map[string][]string)
}
mes.Infos[name] = append(mes.Infos[name], msg)
mes.setMessagesInContext()
}
func (mes *Messages) AddInfof(name string, msg string, args ...interface{}) {
mes.AddInfo(name, fmt.Sprintf(msg, args...))
}
func (mes *Messages) ClearErrors() {
mes.Infos = nil
mes.setMessagesInContext()
}
func (mes *Messages) ClearInfos() {
mes.Errors = nil
mes.setMessagesInContext()
}
func (mes *Messages) GetAllErrors() map[string][]string {
mes = GetMessages(mes.r) // We need to look if any new errors from other functions has updated context
return mes.Errors
}
func (mes *Messages) GetErrors(name string) []string {
mes = GetMessages(mes.r) // We need to look if any new errors from other functions has updated context
return mes.Errors[name]
}
func (mes *Messages) GetAllInfos() map[string][]string {
mes = GetMessages(mes.r) // We need to look if any new errors from other functions has updated context
return mes.Infos
}
func (mes *Messages) GetInfos(name string) []string {
mes = GetMessages(mes.r) // We need to look if any new errors from other functions has updated context
return mes.Infos[name]
}
func (mes *Messages) HasErrors() bool {
mes = GetMessages(mes.r) // We need to look if any new errors from other functions has updated context
return len(mes.Errors) > 0
}
func (mes *Messages) HasInfos() bool {
mes = GetMessages(mes.r) // We need to look if any new errors from other functions has updated context
return len(mes.Infos) > 0
}
func (mes *Messages) setMessagesInContext() {
context.Set(mes.r, MessagesKey, mes)
}
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