forgejo/modules/middleware/context.go
2014-03-16 00:14:26 +08:00

110 lines
2.5 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package middleware
import (
"fmt"
"net/http"
"github.com/codegangsta/martini"
"github.com/martini-contrib/render"
"github.com/martini-contrib/sessions"
"github.com/gogits/gogs/models"
"github.com/gogits/gogs/modules/auth"
"github.com/gogits/gogs/modules/base"
"github.com/gogits/gogs/modules/log"
)
// Context represents context of a request.
type Context struct {
c martini.Context
p martini.Params
Req *http.Request
Res http.ResponseWriter
Session sessions.Session
Data base.TmplData
Render render.Render
User *models.User
IsSigned bool
Repo struct {
IsValid bool
IsOwner bool
Repository *models.Repository
Owner *models.User
}
}
// Query querys form parameter.
func (ctx *Context) Query(name string) string {
ctx.Req.ParseForm()
return ctx.Req.Form.Get(name)
}
// func (ctx *Context) Param(name string) string {
// return ctx.p[name]
// }
// HasError returns true if error occurs in form validation.
func (ctx *Context) HasError() bool {
hasErr, ok := ctx.Data["HasError"]
if !ok {
return false
}
return hasErr.(bool)
}
// RenderWithErr used for page has form validation but need to prompt error to users.
func (ctx *Context) RenderWithErr(msg, tpl string, form auth.Form) {
ctx.Data["HasError"] = true
ctx.Data["ErrorMsg"] = msg
auth.AssignForm(form, ctx.Data)
ctx.Render.HTML(200, tpl, ctx.Data)
}
// Handle handles and logs error by given status.
func (ctx *Context) Handle(status int, title string, err error) {
ctx.Data["ErrorMsg"] = err
log.Error("%s: %v", title, err)
ctx.Render.HTML(status, fmt.Sprintf("status/%d", status), ctx.Data)
}
// InitContext initializes a classic context for a request.
func InitContext() martini.Handler {
return func(res http.ResponseWriter, r *http.Request, c martini.Context,
session sessions.Session, rd render.Render) {
data := base.TmplData{}
ctx := &Context{
c: c,
// p: p,
Req: r,
Res: res,
Session: session,
Data: data,
Render: rd,
}
// Get user from session if logined.
user := auth.SignedInUser(session)
ctx.User = user
ctx.IsSigned = user != nil
data["IsSigned"] = ctx.IsSigned
if user != nil {
data["SignedUser"] = user
data["SignedUserId"] = user.Id
data["SignedUserName"] = user.LowerName
}
c.Map(ctx)
c.Map(data)
c.Next()
}
}