efritz/chevron

package chevron

import (
    "context"
    "net/http"

    "github.com/efritz/nacelle"
    "github.com/efritz/response"
)

type (
    // Resource represents an object or behavior accessible from a unique URL
    // pattern.
    Resource interface {
        // Handle is invoked when the resource is requested, regardless of the
        // HTTP method.
        Handle(context.Context, *http.Request, nacelle.Logger) response.Response
    }

    resource struct {
        hm     handlerMap
        router *router
    }
)

// Handle invokes the correct handler based on HTTP method, or the router's not
// implemented handler if no handler for that method is registered.
func (r *resource) Handle(ctx context.Context, req *http.Request, logger nacelle.Logger) response.Response {
    if method, ok := methodMap[req.Method]; ok {
        if handler, ok := r.hm[method]; ok {
            return handler(ctx, req, logger)
        }
    }

    return r.router.notImplementedHandler(ctx, req, logger)
}