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route.go
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route.go
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package stgin
import (
"net/http"
"regexp"
"strings"
)
type API = func(c RequestContext) Status
type Route struct {
Path string
Method string
Action API
correspondingRegex *regexp.Regexp
controller *Controller
}
func (route Route) withPrefixPrepended(controllerPrefix string) Route {
route.Path = normalizePath(controllerPrefix + route.Path)
return route
}
func (route Route) acceptsAndPathParams(request *http.Request) (ok bool, params Params) {
if request.Method == route.Method {
params, ok = MatchAndExtractPathParams(&route, request.URL.Path)
}
return
}
func getRoutePatternRegexOrPanic(pattern string) *regexp.Regexp {
regex, err := getPatternCorrespondingRegex(pattern)
if err != nil {
panic(err)
}
return regex
}
func GET(path string, api API) Route {
return Route{
Path: path,
Method: "GET",
Action: api,
}
}
func PUT(path string, api API) Route {
return Route{
Path: path,
Method: "PUT",
Action: api,
}
}
func POST(path string, api API) Route {
return Route{
Path: path,
Method: "POST",
Action: api,
}
}
func DELETE(path string, api API) Route {
return Route{
Path: path,
Method: "DELETE",
Action: api,
}
}
func PATCH(path string, api API) Route {
return Route{
Path: path,
Method: "PATCH",
Action: api,
}
}
func OPTIONS(path string, api API) Route {
return Route{
Path: path,
Method: "OPTIONS",
Action: api,
}
}
func Handle(method string, path string, api API) Route {
return Route{
Path: path,
Method: method,
Action: api,
}
}
type RouteCreationStage struct {
method string
path string
}
func (stage RouteCreationStage) Do(api API) Route {
switch strings.ToUpper(stage.method) {
case "GET":
return GET(stage.path, api)
case "PUT":
return PUT(stage.path, api)
case "POST":
return POST(stage.path, api)
case "DELETE":
return DELETE(stage.path, api)
case "PATCH":
return PATCH(stage.path, api)
default:
return GET(stage.path, api)
}
}
func OnGET(path string) RouteCreationStage {
return RouteCreationStage{
method: "GET",
path: path,
}
}
func OnPUT(path string) RouteCreationStage {
return RouteCreationStage{
method: "PUT",
path: path,
}
}
func OnPOST(path string) RouteCreationStage {
return RouteCreationStage{
method: "POST",
path: path,
}
}
func OnDelete(path string) RouteCreationStage {
return RouteCreationStage{
method: "DELETE",
path: path,
}
}
func OnPatch(path string) RouteCreationStage {
return RouteCreationStage{
method: "PATCH",
path: path,
}
}
func OnOptions(path string) RouteCreationStage {
return RouteCreationStage{
method: "OPTIONS",
path: path,
}
}
func OnPath(path string) RouteCreationStage {
return RouteCreationStage{path: path}
}
func (stage RouteCreationStage) WithMethod(method string) RouteCreationStage {
stage.method = method
return stage
}