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payrus.go
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payrus.go
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package payrus
type IPapyrus interface {
}
type Papyrus struct {
middleware []Endpoint
}
func (p *Papyrus) Add(endpoint Endpoint) {
p.middleware = append(p.middleware, endpoint)
}
func (p *Papyrus) Next(nextFunc NextFunc) {
}
func annotate(endpoint Endpoint) Middleware {
return func(next Endpoint) Endpoint {
return func(ctx *Context, request interface{}) (interface{}, error) {
resp, err := endpoint(ctx, request)
if err != nil {
return nil, nil
}
return next(ctx, resp)
}
}
}
// Endpoint is the middleware function
type Endpoint = func(ctx *Context, request interface{}) (response interface{}, err error)
// _Nop Useful for tests.
func _Nop(*Context, interface{}) (interface{}, error) { return struct{}{}, nil }
// to add middleware what you want to do when pay channel action will doing before.
type Middleware = func(Endpoint) Endpoint
func (p *Papyrus) chain(outer Middleware, others ...Middleware) Middleware {
return func(next Endpoint) Endpoint {
for i := len(others) - 1; i >= 0; i-- {
next = others[i](next)
}
return outer(next)
}
}