mirror of https://github.com/jlelse/GoBlog
80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package webrings
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import (
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"fmt"
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"github.com/PuerkitoBio/goquery"
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"go.goblog.app/app/pkgs/bufferpool"
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"go.goblog.app/app/pkgs/htmlbuilder"
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"go.goblog.app/app/pkgs/plugintypes"
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)
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func GetPlugin() (plugintypes.SetConfig, plugintypes.UI2) {
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p := &plugin{}
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return p, p
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}
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type plugin struct {
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config map[string]any
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}
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func (p *plugin) SetConfig(config map[string]any) {
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p.config = config
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}
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func (p *plugin) RenderWithDocument(rc plugintypes.RenderContext, doc *goquery.Document) {
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blog := rc.GetBlog()
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if blog == "" {
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fmt.Println("webrings plugin: blog is empty!")
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return
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}
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if blogWebringsAny, ok := p.config[blog]; ok {
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if blogWebrings, ok := blogWebringsAny.([]any); ok {
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buf := bufferpool.Get()
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defer bufferpool.Put(buf)
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hb := htmlbuilder.NewHtmlBuilder(buf)
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for _, webringAny := range blogWebrings {
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if webring, ok := webringAny.(map[string]any); ok {
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title, titleOk := unwrapToString(webring["title"])
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link, linkOk := unwrapToString(webring["link"])
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prev, prevOk := unwrapToString(webring["prev"])
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next, nextOk := unwrapToString(webring["next"])
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if titleOk && (linkOk || prevOk || nextOk) {
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buf.Reset()
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hb.WriteElementOpen("p")
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if prevOk {
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hb.WriteElementOpen("a", "href", prev)
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hb.WriteEscaped("←")
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hb.WriteElementClose("a")
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hb.WriteEscaped(" ")
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}
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if linkOk {
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hb.WriteElementOpen("a", "href", link)
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}
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hb.WriteEscaped(title)
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if linkOk {
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hb.WriteElementClose("a")
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}
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if nextOk {
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hb.WriteEscaped(" ")
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hb.WriteElementOpen("a", "href", next)
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hb.WriteEscaped("→")
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hb.WriteElementClose("a")
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}
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hb.WriteElementClose("p")
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doc.Find("footer").AppendHtml(buf.String())
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}
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}
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}
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}
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}
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}
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func unwrapToString(o any) (string, bool) {
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if o == nil {
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return "", false
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}
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s, ok := o.(string)
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return s, ok && s != ""
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}
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