91 lines
2.4 KiB
Go
91 lines
2.4 KiB
Go
package responses
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import (
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"html/template"
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"io"
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"net/http"
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"git.kirsle.net/apps/gophertype/pkg/console"
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"git.kirsle.net/apps/gophertype/pkg/markdown"
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)
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// RenderTemplate renders a Go HTML template.
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// The io.Writer can be an http.ResponseWriter.
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func RenderTemplate(w io.Writer, r *http.Request, tmpl string, vars interface{}) error {
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if vars == nil {
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vars = NewTemplateVars(w, r)
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}
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// Look for the built-in template.
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b, err := GetFile(tmpl)
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if err == nil {
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t, err := template.New(tmpl).Funcs(TemplateFuncs(r)).Parse(string(b))
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if err != nil {
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console.Error("RenderTemplate: bundled template '%s': %s", tmpl, err)
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return err
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}
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// We found the template. Can we find the layout html?
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if layout, err := GetFile(".layout.gohtml"); err == nil {
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_, err := t.New("layout").Parse(string(layout))
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if err != nil {
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console.Error("RenderTemplate(.layout.gohtml): %s", err)
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}
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} else {
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console.Error("RenderTemplate: .layout.gohtml not found to wrap %s", tmpl)
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}
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console.Debug("Render Templ: %s", tmpl)
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if err := t.ExecuteTemplate(w, "layout", vars); err != nil {
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console.Error("RenderTemplate(%s): %s", tmpl, err)
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}
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return nil
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}
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Panic(w, http.StatusInternalServerError, err.Error())
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return nil
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}
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// RenderMarkdown renders a Markdown page in the layout template.
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func RenderMarkdown(w io.Writer, r *http.Request, tmpl string) error {
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vars := NewTemplateVars(w, r)
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b, err := GetFile(tmpl)
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if err == nil {
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body := string(b)
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title, _ := markdown.TitleFromMarkdown(body)
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vars.V["title"] = title
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vars.V["markdown"] = template.HTML(markdown.RenderTrustedMarkdown(body))
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RenderTemplate(w, r, "_builtin/markdown.gohtml", vars)
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return nil
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}
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Panic(w, http.StatusInternalServerError, err.Error())
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return nil
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}
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// PartialTemplate renders a partial HTML template.
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func PartialTemplate(w io.Writer, r *http.Request, tmpl string, vars interface{}) error {
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if vars == nil {
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vars = NewTemplateVars(w, r)
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}
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// Look for the built-in template.
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b, err := GetFile(tmpl)
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if err == nil {
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t, err := template.New(tmpl).Funcs(TemplateFuncs(r)).Parse(string(b))
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if err != nil {
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console.Error("RenderTemplate: bundled template '%s': %s", tmpl, err)
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return err
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}
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if err := t.ExecuteTemplate(w, tmpl, vars); err != nil {
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console.Error("PartialTemplate(%s): %s", tmpl, err)
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}
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return nil
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}
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Panic(w, http.StatusInternalServerError, err.Error())
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return nil
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}
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