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Set education article's opengraph image to the first image in the 

article
This commit is contained in:
Asaf Gartner 2022-11-05 18:25:01 +02:00
parent 5a983643a3
commit bd1edb2077
1 changed files with 18 additions and 0 deletions
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18
src/website/education.go
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@ -108,6 +108,8 @@ func EducationGlossary(c *RequestContext) ResponseData {
return res return res
} }
var reImg = regexp.MustCompile(`<img .*src="([^"]+)"`)
func EducationArticle(c *RequestContext) ResponseData { func EducationArticle(c *RequestContext) ResponseData {
type articleData struct { type articleData struct {
templates.BaseData templates.BaseData
@ -133,6 +135,22 @@ func EducationArticle(c *RequestContext) ResponseData {
tmpl.OpenGraphItems = append(tmpl.OpenGraphItems, tmpl.OpenGraphItems = append(tmpl.OpenGraphItems,
templates.OpenGraphItem{Property: "og:description", Value: string(article.Description)}, templates.OpenGraphItem{Property: "og:description", Value: string(article.Description)},
) )
match := reImg.FindStringSubmatch(string(tmpl.Article.Content))
imgSrc := ""
if match != nil {
imgSrc = match[1]
}
if imgSrc != "" {
for i, item := range tmpl.OpenGraphItems {
if item.Property == "og:image" {
tmpl.OpenGraphItems[i].Value = imgSrc
}
}
tmpl.OpenGraphItems = append(tmpl.OpenGraphItems,
templates.OpenGraphItem{Name: "twitter:card", Value: "summary_large_image"},
)
}
tmpl.Breadcrumbs = []templates.Breadcrumb{ tmpl.Breadcrumbs = []templates.Breadcrumb{
{Name: "Education", Url: hmnurl.BuildEducationIndex()}, {Name: "Education", Url: hmnurl.BuildEducationIndex()},
{Name: article.Title, Url: hmnurl.BuildEducationArticle(article.Slug)}, {Name: article.Title, Url: hmnurl.BuildEducationArticle(article.Slug)},