// Set page title and related meta tags
func Title(t string) server.PageInstanceHandler {
return server.PageInstanceHandler(func(req *wcg.Request, pr *response.PageResponse) *response.PageResponse {
pr.Title = t
pr.OGP.Set("og:title", t)
return pr
})
}
func MemberPageHandler(handlers ...func(*wcg.Request, *response.PageResponse, *hplink.Member) *response.PageResponse) server.PageInstanceHandler {
return server.PageInstanceHandler(func(req *wcg.Request, pr *response.PageResponse) *response.PageResponse {
member := findArtistAndMember(req)
if member == nil {
pr.StatusCode = 404
return pr
}
for _, h := range handlers {
pr = h(req, pr, member)
if pr.StatusCode >= 200 && pr.StatusCode < 300 {
break
}
}
return pr
})
}
func ArtistPageHandler(handlers ...func(*wcg.Request, *response.PageResponse, *hplink.Artist) *response.PageResponse) server.PageInstanceHandler {
return server.PageInstanceHandler(func(req *wcg.Request, pr *response.PageResponse) *response.PageResponse {
artistKey := req.Param(paramKeyArtist)
if artistKey == "" {
panic("[BUG] :artist is not found in URL path.")
}
_, ent := entities.Artist.Get().Key(artistKey).MustOne(req)
if ent == nil {
return response.PageNotFound
}
artist := ent.(*hplink.Artist)
for _, h := range handlers {
pr = h(req, pr, artist)
if pr.StatusCode >= 200 && pr.StatusCode < 300 {
break
}
}
return pr
})
}