56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package models_pages
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import (
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"bytes"
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"html/template"
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"time"
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)
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type PostLink string
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const (
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// Имя соответствующего шаблона
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PostPageTmplName = "post.gohtml"
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)
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type Post struct {
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Link PostLink
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Preview template.HTML
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Data template.HTML
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Timestamp int64
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}
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func RenderPostPage(templates *template.Template, version int64, data template.HTML) ([]byte, error) {
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var pageData bytes.Buffer
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context := map[string]any{
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"version": version,
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"renderingTimestamp": time.Now().Unix(),
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"data": data,
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}
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if err := templates.ExecuteTemplate(&pageData, PostPageTmplName, context); err != nil {
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return nil, err
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}
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return pageData.Bytes(), nil
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}
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func newPost(link string, data []byte, timestamp int64) *Post {
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previewBuf := make([]byte, 0, 503)
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if len(data) > 500 {
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previewBuf = append(previewBuf, data[:500]...)
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previewBuf = append(previewBuf, '.', '.', '.')
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} else {
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previewBuf = append(previewBuf, data...)
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}
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return &Post{
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Link: PostLink(link),
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Preview: template.HTML(previewBuf),
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Data: template.HTML(data),
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Timestamp: timestamp,
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}
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}
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