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|
package http
import (
"fmt"
"net/http"
"code.betamike.com/mediocregopher/mediocre-blog/src/http/apiutil"
"code.betamike.com/mediocregopher/mediocre-blog/src/post"
)
func (a *api) manageDraftPostsHandler() http.Handler {
tpl := a.mustParseBasedTpl("draft-posts-manage.html")
const pageCount = 20
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
page, err := apiutil.StrToInt(r.FormValue("p"), 0)
if err != nil {
apiutil.BadRequest(
rw, r, fmt.Errorf("invalid page number: %w", err),
)
return
}
posts, hasMore, err := a.params.PostDraftStore.Get(page, pageCount)
if err != nil {
apiutil.InternalServerError(
rw, r, fmt.Errorf("fetching page %d of posts: %w", page, err),
)
return
}
tplPayload := struct {
Posts []post.Post
PrevPage, NextPage int
}{
Posts: posts,
PrevPage: -1,
NextPage: -1,
}
if page > 0 {
tplPayload.PrevPage = page - 1
}
if hasMore {
tplPayload.NextPage = page + 1
}
executeTemplate(rw, r, tpl, tplPayload)
})
}
func (a *api) postDraftPostHandler() http.Handler {
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
p, err := postFromPostReq(r)
if err != nil {
apiutil.BadRequest(rw, r, err)
return
}
if err := a.params.PostDraftStore.Set(p); err != nil {
apiutil.InternalServerError(
rw, r, fmt.Errorf("storing post with id %q: %w", p.ID, err),
)
return
}
a.executeRedirectTpl(rw, r, a.editDraftPostURL(p.ID, false))
})
}
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