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package server
import (
"html/template"
"log"
"net/http"
"path/filepath"
"strings"
"gitlab.com/alexkavon/newsstand/src/conf"
"gitlab.com/alexkavon/newsstand/src/sessions"
)
type Ui struct {
pages map[string]*template.Template
}
func NewUi(config *conf.Conf) Ui {
return Ui{}
}
func (ui *Ui) CompilePages(uipath string) {
ui.pages = map[string]*template.Template{}
baseTmpl, err := template.ParseGlob(filepath.Join(uipath, "templates/*.tmpl.html"))
if err != nil {
log.Fatal(err)
}
ui.pages["core"] = baseTmpl
pagesDir := filepath.Join(uipath, "pages")
tmplGlob := filepath.Join(pagesDir, "**/*.tmpl.html")
fileglob, err := filepath.Glob(tmplGlob)
if err != nil {
log.Fatal(err)
}
for _, file := range fileglob {
f := strings.TrimSuffix(file, ".tmpl.html")
tmplName, err := filepath.Rel(pagesDir, f)
if err != nil {
log.Fatal(err)
}
skeleton, err := baseTmpl.Clone()
if err != nil {
log.Fatal(err)
}
ui.pages[tmplName] = template.Must(skeleton.ParseFiles(file))
log.Println(ui.pages[tmplName].DefinedTemplates())
}
}
func (ui *Ui) Render(w http.ResponseWriter, r *http.Request, pageName string, data map[string]any) {
templateName := "base"
// if the pageName has more than 1 `/` then it specifies the name of a template to target
slashCount := strings.Count(pageName, "/")
if slashCount > 1 {
splitName := strings.Split(pageName, "/")
templateName = splitName[0]
}
ui.RenderTemplate(w, r, pageName, templateName, data)
}
func (ui *Ui) RenderTemplate(w http.ResponseWriter, r *http.Request, pageName, templateName string, data map[string]any) {
d := map[string]any{}
for k, v := range data {
d[k] = v
}
if session := r.Context().Value(sessions.SessionCtxKey("session")); session != nil {
d["session"] = session.(*sessions.Session)
}
p := ui.pages[pageName]
err := p.ExecuteTemplate(w, templateName, d)
if err != nil {
log.Println(err)
}
}
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