126 lines
2.6 KiB
Go
126 lines
2.6 KiB
Go
package site
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import (
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"errors"
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"fmt"
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"html"
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"path"
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"strconv"
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"strings"
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"time"
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"git.sr.ht/~ewintr/go-kit/slugify"
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)
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var (
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ErrInvalidPost = errors.New("invalid post")
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)
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type Post struct {
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Title string
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Author string
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Kind Kind
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Language Language
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Path string
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Date time.Time
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Tags []Tag
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Content []BlockElement
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}
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func (p Post) Slug() string {
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return slugify.Slugify(p.Title)
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}
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func (p *Post) Year() string {
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return strconv.Itoa(p.Date.Year())
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}
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func (p *Post) Link() string {
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return fmt.Sprintf("%s/", path.Join("/", pluralKind[p.Kind], p.Year(), p.Slug()))
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}
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func (p *Post) FullLink() string {
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return fmt.Sprintf("https://erikwinter.nl%s", p.Link())
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}
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func (p *Post) HTMLSummary() *HTMLSummary {
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summary := ""
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if len(p.Content) > 0 {
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summary = fmt.Sprintf("<p>%s...</p>", truncateOnSpace(p.Content[0].Text(), 150))
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}
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return &HTMLSummary{
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Link: p.Link(),
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Title: p.Title,
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Language: p.Language,
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DateLong: p.FormattedDate(DATE_LONG),
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DateShort: p.FormattedDate(DATE_SHORT),
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Summary: summary,
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}
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}
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func (p *Post) HTMLPost() *HTMLPost {
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var content string
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for _, be := range p.Content {
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content += fmt.Sprintf("%s\n", be.BlockHTML())
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}
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return &HTMLPost{
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Slug: p.Slug(),
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Title: html.EscapeString(p.Title),
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DateLong: p.FormattedDate(DATE_LONG),
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DateShort: p.FormattedDate(DATE_SHORT),
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Content: content,
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}
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}
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func (p *Post) XMLPost() *XMLPost {
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var content string
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for _, be := range p.Content {
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content += fmt.Sprintf("%s\n", html.EscapeString(be.BlockHTML()))
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}
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return &XMLPost{
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Link: p.FullLink(),
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Title: html.EscapeString(p.Title),
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DateFormal: p.FormattedDate(DATE_FORMAL),
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Content: content,
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}
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}
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func (p Post) FormattedDate(format DateFormat) string {
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switch {
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case format == DATE_LONG && p.Language == LANGUAGE_NL:
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nlMonth := [...]string{"januari", "februari", "maart",
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"april", "mei", "juni", "juli", "augustus", "september",
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"oktober", "november", "december",
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}
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return fmt.Sprintf("%d %s %d", p.Date.Day(), nlMonth[p.Date.Month()-1], p.Date.Year())
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case format == DATE_LONG && p.Language == LANGUAGE_EN:
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return p.Date.Format("January 2, 2006")
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case format == DATE_FORMAL:
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return p.Date.Format(time.RFC1123Z)
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case format == DATE_SHORT:
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fallthrough
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default:
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return p.Date.Format("2006-01-02 00:00:00")
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}
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}
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func truncateOnSpace(text string, maxChars int) string {
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if len(text) <= maxChars {
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return text
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}
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shortText := ""
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ss := strings.Split(text, " ")
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for _, s := range ss {
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if len(shortText+" "+s) > maxChars {
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break
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}
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shortText += " " + s
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}
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return shortText
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}
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