61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
package koushin
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import (
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"fmt"
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"html/template"
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"io"
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"net/url"
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"github.com/labstack/echo/v4"
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)
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type tmpl struct {
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// TODO: add support for multiple themes
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t *template.Template
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}
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func (t *tmpl) Render(w io.Writer, name string, data interface{}, ectx echo.Context) error {
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// ectx is the raw *echo.context, not our own *context
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ctx := ectx.Get("context").(*context)
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for _, plugin := range ctx.server.plugins {
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if err := plugin.Render(name, data); err != nil {
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return fmt.Errorf("failed to run plugin '%v': %v", plugin.Name(), err)
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}
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}
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return t.t.ExecuteTemplate(w, name, data)
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}
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func loadTemplates(logger echo.Logger, themeName string, plugins []Plugin) (*tmpl, error) {
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base := template.New("").Funcs(template.FuncMap{
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"tuple": func(values ...interface{}) []interface{} {
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return values
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},
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"pathescape": func(s string) string {
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return url.PathEscape(s)
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},
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})
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for _, p := range plugins {
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base = base.Funcs(p.Filters())
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}
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base, err := base.ParseGlob("public/*.html")
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if err != nil {
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return nil, err
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}
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theme, err := base.Clone()
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if err != nil {
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return nil, err
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}
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if themeName != "" {
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logger.Printf("Loading theme \"%s\"", themeName)
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if _, err := theme.ParseGlob("public/themes/" + themeName + "/*.html"); err != nil {
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return nil, err
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}
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}
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return &tmpl{theme}, err
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}
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