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Beego/pkg/adapter/router.go
2020-09-06 10:39:20 +00:00

283 lines
9.3 KiB
Go

// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package adapter
import (
"net/http"
"time"
beecontext "github.com/astaxie/beego/pkg/adapter/context"
"github.com/astaxie/beego/pkg/server/web/context"
"github.com/astaxie/beego/pkg/server/web"
)
// default filter execution points
const (
BeforeStatic = web.BeforeStatic
BeforeRouter = web.BeforeRouter
BeforeExec = web.BeforeExec
AfterExec = web.AfterExec
FinishRouter = web.FinishRouter
)
var (
// HTTPMETHOD list the supported http methods.
HTTPMETHOD = web.HTTPMETHOD
// DefaultAccessLogFilter will skip the accesslog if return true
DefaultAccessLogFilter FilterHandler = &newToOldFtHdlAdapter{
delegate: web.DefaultAccessLogFilter,
}
)
// FilterHandler is an interface for
type FilterHandler interface {
Filter(*beecontext.Context) bool
}
type newToOldFtHdlAdapter struct {
delegate web.FilterHandler
}
func (n *newToOldFtHdlAdapter) Filter(ctx *beecontext.Context) bool {
return n.delegate.Filter((*context.Context)(ctx))
}
// ExceptMethodAppend to append a slice's value into "exceptMethod", for controller's methods shouldn't reflect to AutoRouter
func ExceptMethodAppend(action string) {
web.ExceptMethodAppend(action)
}
// ControllerInfo holds information about the controller.
type ControllerInfo web.ControllerInfo
func (c *ControllerInfo) GetPattern() string {
return (*web.ControllerInfo)(c).GetPattern()
}
// ControllerRegister containers registered router rules, controller handlers and filters.
type ControllerRegister web.ControllerRegister
// NewControllerRegister returns a new ControllerRegister.
func NewControllerRegister() *ControllerRegister {
return (*ControllerRegister)(web.NewControllerRegister())
}
// Add controller handler and pattern rules to ControllerRegister.
// usage:
// default methods is the same name as method
// Add("/user",&UserController{})
// Add("/api/list",&RestController{},"*:ListFood")
// Add("/api/create",&RestController{},"post:CreateFood")
// Add("/api/update",&RestController{},"put:UpdateFood")
// Add("/api/delete",&RestController{},"delete:DeleteFood")
// Add("/api",&RestController{},"get,post:ApiFunc"
// Add("/simple",&SimpleController{},"get:GetFunc;post:PostFunc")
func (p *ControllerRegister) Add(pattern string, c ControllerInterface, mappingMethods ...string) {
(*web.ControllerRegister)(p).Add(pattern, c, mappingMethods...)
}
// Include only when the Runmode is dev will generate router file in the router/auto.go from the controller
// Include(&BankAccount{}, &OrderController{},&RefundController{},&ReceiptController{})
func (p *ControllerRegister) Include(cList ...ControllerInterface) {
nls := oldToNewCtrlIntfs(cList)
(*web.ControllerRegister)(p).Include(nls...)
}
// GetContext returns a context from pool, so usually you should remember to call Reset function to clean the context
// And don't forget to give back context to pool
// example:
// ctx := p.GetContext()
// ctx.Reset(w, q)
// defer p.GiveBackContext(ctx)
func (p *ControllerRegister) GetContext() *beecontext.Context {
return (*beecontext.Context)((*web.ControllerRegister)(p).GetContext())
}
// GiveBackContext put the ctx into pool so that it could be reuse
func (p *ControllerRegister) GiveBackContext(ctx *beecontext.Context) {
(*web.ControllerRegister)(p).GiveBackContext((*context.Context)(ctx))
}
// Get add get method
// usage:
// Get("/", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) Get(pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).Get(pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// Post add post method
// usage:
// Post("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) Post(pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).Post(pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// Put add put method
// usage:
// Put("/api/:id", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) Put(pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).Put(pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// Delete add delete method
// usage:
// Delete("/api/:id", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) Delete(pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).Delete(pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// Head add head method
// usage:
// Head("/api/:id", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) Head(pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).Head(pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// Patch add patch method
// usage:
// Patch("/api/:id", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) Patch(pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).Patch(pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// Options add options method
// usage:
// Options("/api/:id", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) Options(pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).Options(pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// Any add all method
// usage:
// Any("/api/:id", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) Any(pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).Any(pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// AddMethod add http method router
// usage:
// AddMethod("get","/api/:id", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func (p *ControllerRegister) AddMethod(method, pattern string, f FilterFunc) {
(*web.ControllerRegister)(p).AddMethod(method, pattern, func(ctx *context.Context) {
f((*beecontext.Context)(ctx))
})
}
// Handler add user defined Handler
func (p *ControllerRegister) Handler(pattern string, h http.Handler, options ...interface{}) {
(*web.ControllerRegister)(p).Handler(pattern, h, options)
}
// AddAuto router to ControllerRegister.
// example beego.AddAuto(&MainContorlller{}),
// MainController has method List and Page.
// visit the url /main/list to execute List function
// /main/page to execute Page function.
func (p *ControllerRegister) AddAuto(c ControllerInterface) {
(*web.ControllerRegister)(p).AddAuto(c)
}
// AddAutoPrefix Add auto router to ControllerRegister with prefix.
// example beego.AddAutoPrefix("/admin",&MainContorlller{}),
// MainController has method List and Page.
// visit the url /admin/main/list to execute List function
// /admin/main/page to execute Page function.
func (p *ControllerRegister) AddAutoPrefix(prefix string, c ControllerInterface) {
(*web.ControllerRegister)(p).AddAutoPrefix(prefix, c)
}
// InsertFilter Add a FilterFunc with pattern rule and action constant.
// params is for:
// 1. setting the returnOnOutput value (false allows multiple filters to execute)
// 2. determining whether or not params need to be reset.
func (p *ControllerRegister) InsertFilter(pattern string, pos int, filter FilterFunc, params ...bool) error {
opts := oldToNewFilterOpts(params)
return (*web.ControllerRegister)(p).InsertFilter(pattern, pos, func(ctx *context.Context) {
filter((*beecontext.Context)(ctx))
}, opts...)
}
func oldToNewFilterOpts(params []bool) []web.FilterOpt {
opts := make([]web.FilterOpt, 0, 4)
if len(params) > 0 {
opts = append(opts, web.WithReturnOnOutput(params[0]))
} else {
// the default value should be true
opts = append(opts, web.WithReturnOnOutput(true))
}
if len(params) > 1 {
opts = append(opts, web.WithResetParams(params[1]))
}
return opts
}
// URLFor does another controller handler in this request function.
// it can access any controller method.
func (p *ControllerRegister) URLFor(endpoint string, values ...interface{}) string {
return (*web.ControllerRegister)(p).URLFor(endpoint, values...)
}
// Implement http.Handler interface.
func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
(*web.ControllerRegister)(p).ServeHTTP(rw, r)
}
// FindRouter Find Router info for URL
func (p *ControllerRegister) FindRouter(ctx *beecontext.Context) (routerInfo *ControllerInfo, isFind bool) {
r, ok := (*web.ControllerRegister)(p).FindRouter((*context.Context)(ctx))
return (*ControllerInfo)(r), ok
}
// LogAccess logging info HTTP Access
func LogAccess(ctx *beecontext.Context, startTime *time.Time, statusCode int) {
web.LogAccess((*context.Context)(ctx), startTime, statusCode)
}