// create a new http frontend give frontend config
func NewHTTPFrontend(c *config.FrontendConfig, db database.DB) (f Frontend, err error) {
var markupCache cache.CacheInterface
markupCache, err = cache.FromConfig(c.Cache)
if err != nil {
return
}
var mid Middleware
if c.Middleware != nil {
// middleware configured
mid, err = OverchanMiddleware(c.Middleware, markupCache, db)
}
if err == nil {
// create http frontend only if no previous errors
f, err = createHttpFrontend(c, mid, db)
}
return
}
// reload http frontend
// reloads middleware
func (f *httpFrontend) Reload(c *config.FrontendConfig) {
if f.middleware == nil {
if c.Middleware != nil {
markupcache, err := cache.FromConfig(c.Cache)
if err == nil {
// no middleware set, create middleware
f.middleware, err = OverchanMiddleware(c.Middleware, markupcache, f.db)
if err != nil {
log.Errorf("overchan middleware reload failed: %s", err.Error())
}
} else {
// error creating cache
log.Errorf("failed to create cache: %s", err.Error())
}
}
} else {
// middleware exists
// do middleware reload
f.middleware.Reload(c.Middleware)
}
}