150 lines
4.6 KiB
Go
150 lines
4.6 KiB
Go
package ginext
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import (
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"github.com/gin-gonic/gin"
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"gogs.mikescher.com/BlackForestBytes/goext/langext"
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"gogs.mikescher.com/BlackForestBytes/goext/rext"
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"net/http"
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"reflect"
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"regexp"
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"runtime"
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"strings"
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)
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var anyMethods = []string{
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http.MethodGet, http.MethodPost, http.MethodPut, http.MethodPatch,
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http.MethodHead, http.MethodOptions, http.MethodDelete, http.MethodConnect,
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http.MethodTrace,
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}
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type GinRoutesWrapper struct {
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wrapper *GinWrapper
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routes gin.IRouter
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defaultHandler []gin.HandlerFunc
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}
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type GinRouteBuilder struct {
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routes *GinRoutesWrapper
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method string
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relPath string
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handlers []gin.HandlerFunc
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}
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func (w *GinWrapper) Routes() *GinRoutesWrapper {
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return &GinRoutesWrapper{wrapper: w, routes: w.engine}
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}
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func (w *GinRoutesWrapper) Group(relativePath string) *GinRoutesWrapper {
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return &GinRoutesWrapper{wrapper: w.wrapper, routes: w.routes.Group(relativePath), defaultHandler: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) Use(middleware ...gin.HandlerFunc) *GinRoutesWrapper {
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defHandler := langext.ArrCopy(w.defaultHandler)
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defHandler = append(defHandler, middleware...)
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return &GinRoutesWrapper{wrapper: w.wrapper, routes: w.routes, defaultHandler: defHandler}
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}
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func (w *GinRoutesWrapper) GET(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: http.MethodGet, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) POST(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: http.MethodPost, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) DELETE(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: http.MethodDelete, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) PATCH(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: http.MethodPatch, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) PUT(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: http.MethodPut, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) OPTIONS(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: http.MethodOptions, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) HEAD(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: http.MethodHead, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) COUNT(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: "COUNT", relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRoutesWrapper) Any(relativePath string) *GinRouteBuilder {
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return &GinRouteBuilder{routes: w, method: "*", relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
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}
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func (w *GinRouteBuilder) Use(middleware ...gin.HandlerFunc) *GinRouteBuilder {
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w.handlers = append(w.handlers, middleware...)
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return w
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}
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func (w *GinRouteBuilder) Handle(handler WHandlerFunc) {
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middlewareNames := langext.ArrMap(w.handlers, func(v gin.HandlerFunc) string { return nameOfFunction(v) })
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handlerName := nameOfFunction(handler)
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w.handlers = append(w.handlers, Wrap(w.routes.wrapper, handler))
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methodName := w.method
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if w.method == "*" {
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methodName = "ANY"
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for _, method := range anyMethods {
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w.routes.routes.Handle(method, w.relPath, w.handlers...)
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}
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} else {
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w.routes.routes.Handle(w.method, w.relPath, w.handlers...)
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}
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w.routes.wrapper.routeSpecs = append(w.routes.wrapper.routeSpecs, ginRouteSpec{
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Method: methodName,
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URL: w.relPath,
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Middlewares: middlewareNames,
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Handler: handlerName,
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})
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}
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func (w *GinWrapper) NoRoute(handler WHandlerFunc) {
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w.engine.NoRoute(Wrap(w, handler))
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w.routeSpecs = append(w.routeSpecs, ginRouteSpec{
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Method: "ANY",
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URL: "[NO_ROUTE]",
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Middlewares: nil,
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Handler: nameOfFunction(handler),
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})
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}
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func nameOfFunction(f any) string {
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fname := runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name()
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split := strings.Split(fname, "/")
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if len(split) == 0 {
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return ""
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}
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fname = split[len(split)-1]
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// https://stackoverflow.com/a/32925345/1761622
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if strings.HasSuffix(fname, "-fm") {
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fname = fname[:len(fname)-len("-fm")]
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}
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suffix := rext.W(regexp.MustCompile("\\.func[0-9]+$"))
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if match, ok := suffix.MatchFirst(fname); ok {
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fname = fname[:len(fname)-match.FullMatch().Length()]
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}
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return fname
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}
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