/
wiki.go
57 lines (49 loc) · 1.38 KB
/
wiki.go
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package routes
import (
"database/sql"
"errors"
"html/template"
"net/http"
"github.com/code-golf/code-golf/config"
"github.com/code-golf/code-golf/session"
)
// GET /wiki/*
func wikiGET(w http.ResponseWriter, r *http.Request) {
data := struct {
HTML template.HTML
Nav *config.Navigaton
Title string
}{Title: "Wiki"}
// Page (if we have a slug).
if slug := param(r, "*"); slug != "" {
if err := session.Database(r).QueryRow(
"SELECT html, 'Wiki: ' || name FROM wiki WHERE slug = $1", slug,
).Scan(&data.HTML, &data.Title); errors.Is(err, sql.ErrNoRows) {
w.WriteHeader(http.StatusNotFound)
return
} else if err != nil {
panic(err)
}
}
// Navigation.
var pages []struct{ Name, Section, Slug string }
if err := session.Database(r).Select(
&pages, "SELECT name, section, slug FROM wiki ORDER BY section, name",
); err != nil {
panic(err)
}
groups := []*config.LinkGroup{
{Links: []*config.NavLink{{Name: "Home", Path: "/wiki"}}, Slug: "*"},
}
for _, page := range pages {
if groups[len(groups)-1].Name != page.Section {
groups = append(groups, &config.LinkGroup{Name: page.Section})
}
groups[len(groups)-1].Links = append(
groups[len(groups)-1].Links,
&config.NavLink{Name: page.Name, Path: "/wiki/" + page.Slug, Slug: page.Slug},
)
}
data.Nav = &config.Navigaton{Groups: groups, OnePerRow: true}
render(w, r, "wiki", data, data.Title)
}