70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
package http
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import (
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"context"
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"fmt"
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"net/http"
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"github.com/unistack-org/micro/v3/server"
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)
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type rspCodeKey struct{}
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type rspCodeVal struct {
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code int
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}
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// SetError pass error to caller
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func SetError(err interface{}) error {
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return &Error{err: err}
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}
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// Error struct holds error
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type Error struct {
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err interface{}
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}
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// Error func for error interface
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func (err *Error) Error() string {
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return fmt.Sprintf("%v", err.err)
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}
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// SetRspCode saves response code in context, must be used by handler to specify http code
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func SetRspCode(ctx context.Context, code int) {
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if rsp, ok := ctx.Value(rspCodeKey{}).(*rspCodeVal); ok {
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rsp.code = code
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}
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}
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// GetRspCode used internally by generated http server handler
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func GetRspCode(ctx context.Context) int {
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var code int
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if rsp, ok := ctx.Value(rspCodeKey{}).(*rspCodeVal); ok {
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code = rsp.code
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}
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return code
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}
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type middlewareKey struct{}
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// Middleware passes http middlewares
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func Middleware(mw ...func(http.Handler) http.Handler) server.Option {
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return server.SetOption(middlewareKey{}, mw)
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}
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type serverKey struct{}
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// Server provide ability to pass *http.Server
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func Server(hs *http.Server) server.Option {
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return server.SetOption(serverKey{}, hs)
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}
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type errorHandlerKey struct{}
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// ErrorHandler specifies handler for errors
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func ErrorHandler(fn func(ctx context.Context, s server.Handler, w http.ResponseWriter, r *http.Request, err error, status int)) server.Option {
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return server.SetOption(errorHandlerKey{}, fn)
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}
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// type pathHandlerKey struct{}
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// PathHandler specifies http handler for path
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