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group.go
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group.go
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package gwf
import "github.com/julienschmidt/httprouter"
// Group is a group of sub-routes. It can be used for a group of routes which share same middlewares.
type Group struct {
prefix string
routeOptions []RouteOption
router *httprouter.Router
logger Logger
}
// GET registers a new GET route for a path with handler.
func (g *Group) GET(path string, h Handler, opts ...RouteOption) {
r := g.newRoute(h, opts)
g.router.GET(g.buildPath(path), r.buildHandle())
}
// POST registers a new POST route for a path with handler.
func (g *Group) POST(path string, h Handler, opts ...RouteOption) {
r := g.newRoute(h, opts)
g.router.POST(g.buildPath(path), r.buildHandle())
}
// PUT registers a new PUT route for a path with handler.
func (g *Group) PUT(path string, h Handler, opts ...RouteOption) {
r := g.newRoute(h, opts)
g.router.PUT(g.buildPath(path), r.buildHandle())
}
// PATCH registers a new PATCH route for a path with handler.
func (g *Group) PATCH(path string, h Handler, opts ...RouteOption) {
r := g.newRoute(h, opts)
g.router.PATCH(g.buildPath(path), r.buildHandle())
}
// DELETE registers a new DELETE route for a path with handler.
func (g *Group) DELETE(path string, h Handler, opts ...RouteOption) {
r := g.newRoute(h, opts)
g.router.DELETE(g.buildPath(path), r.buildHandle())
}
// newRoute creates a new route give Handler and a list of RouteOption.
func (g *Group) newRoute(h Handler, opts []RouteOption) *route {
r := &route{
errorHandler: defaultErrorHandler(g.logger),
handler: h,
logger: g.logger,
transformers: []handleTransformer{
brwTransformer,
},
}
r.applyOpts(g.routeOptions)
r.applyOpts(opts)
return r
}
func (g *Group) buildPath(path string) string {
return g.prefix + path
}