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41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
package utils
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import (
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"io"
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"os"
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"text/template"
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"github.com/labstack/echo/v4"
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)
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// TemplateRenderer holds cached templates for rendering
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type TemplateRenderer struct {
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baseTemplate *template.Template
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templateMap map[string]*template.Template
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}
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// NewTemplateRenderer constructs a template renderer with a base file
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func NewTemplateRenderer(baseFile string) *TemplateRenderer {
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return &TemplateRenderer{
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baseTemplate: template.Must(template.ParseFiles("./views/" + baseFile)),
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templateMap: make(map[string]*template.Template),
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}
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}
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// Render the template
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func (t *TemplateRenderer) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
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tmpl := t.templateMap[name]
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if os.Getenv("MODE") == "development" || tmpl == nil {
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tmpl = template.Must(t.baseTemplate.Clone())
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tmpl.ParseFiles("./views/" + name)
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t.templateMap[name] = tmpl
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}
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// // Add global methods if data is a map
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// if viewContext, isMap := data.(map[string]interface{}); isMap {
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// viewContext["reverse"] = c.Echo().Reverse
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// }
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return tmpl.ExecuteTemplate(w, "base", data)
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}
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