goext/ginext/routes.go
2023-07-24 18:47:48 +02:00

146 lines
4.5 KiB
Go

package ginext
import (
"github.com/gin-gonic/gin"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"net/http"
"reflect"
"runtime"
"strings"
)
var anyMethods = []string{
http.MethodGet, http.MethodPost, http.MethodPut, http.MethodPatch,
http.MethodHead, http.MethodOptions, http.MethodDelete, http.MethodConnect,
http.MethodTrace,
}
type GinRoutesWrapper struct {
wrapper *GinWrapper
routes gin.IRouter
defaultHandler []gin.HandlerFunc
}
type GinRouteBuilder struct {
routes *GinRoutesWrapper
method string
relPath string
handlers []gin.HandlerFunc
}
func (w *GinWrapper) Routes() *GinRoutesWrapper {
return &GinRoutesWrapper{wrapper: w, routes: w.engine}
}
func (w *GinRoutesWrapper) Group(relativePath string) *GinRoutesWrapper {
return &GinRoutesWrapper{wrapper: w.wrapper, routes: w.routes.Group(relativePath), defaultHandler: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) Use(middleware ...gin.HandlerFunc) *GinRoutesWrapper {
defHandler := langext.ArrCopy(w.defaultHandler)
defHandler = append(defHandler, middleware...)
return &GinRoutesWrapper{wrapper: w.wrapper, routes: w.routes, defaultHandler: defHandler}
}
func (w *GinRoutesWrapper) GET(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: http.MethodGet, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) POST(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: http.MethodPost, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) DELETE(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: http.MethodDelete, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) PATCH(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: http.MethodPatch, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) PUT(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: http.MethodPut, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) OPTIONS(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: http.MethodOptions, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) HEAD(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: http.MethodHead, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) COUNT(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: "COUNT", relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRoutesWrapper) Any(relativePath string) *GinRouteBuilder {
return &GinRouteBuilder{routes: w, method: "*", relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
}
func (w *GinRouteBuilder) Use(middleware ...gin.HandlerFunc) *GinRouteBuilder {
w.handlers = append(w.handlers, middleware...)
return w
}
func (w *GinRouteBuilder) Handle(handler WHandlerFunc) {
middlewareNames := langext.ArrMap(w.handlers, func(v gin.HandlerFunc) string { return nameOfFunction(v) })
handlerName := nameOfFunction(handler)
w.handlers = append(w.handlers, Wrap(w.routes.wrapper, handler))
methodName := w.method
if w.method == "*" {
methodName = "ANY"
for _, method := range anyMethods {
w.routes.routes.Handle(method, w.relPath, w.handlers...)
}
} else {
w.routes.routes.Handle(w.method, w.relPath, w.handlers...)
}
w.routes.wrapper.routeSpecs = append(w.routes.wrapper.routeSpecs, ginRouteSpec{
Method: methodName,
URL: w.relPath,
Middlewares: middlewareNames,
Handler: handlerName,
})
}
func (w *GinWrapper) NoRoute(handler WHandlerFunc) {
w.engine.NoRoute(Wrap(w, handler))
w.routeSpecs = append(w.routeSpecs, ginRouteSpec{
Method: "ANY",
URL: "[NO_ROUTE]",
Middlewares: nil,
Handler: nameOfFunction(handler),
})
}
func nameOfFunction(f any) string {
fname := runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name()
split := strings.Split(fname, "/")
if len(split) == 0 {
return ""
}
fname = split[len(split)-1]
// https://stackoverflow.com/a/32925345/1761622
if strings.HasSuffix(fname, "-fm") {
fname = fname[:len(fname)-len("-fm")]
}
if strings.HasSuffix(fname, ".func1") {
fname = fname[:len(fname)-len(".func1")]
}
return fname
}