GoBlog/taxonomies.go

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package main
import "net/http"
const taxonomyContextKey = "taxonomy"
func (a *goBlog) serveTaxonomy(w http.ResponseWriter, r *http.Request) {
blog := r.Context().Value(blogContextKey).(string)
tax := r.Context().Value(taxonomyContextKey).(*taxonomy)
allValues, err := a.db.allTaxonomyValues(blog, tax.Name)
if err != nil {
a.serveError(w, r, err.Error(), http.StatusInternalServerError)
return
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}
a.render(w, r, templateTaxonomy, &renderData{
BlogString: blog,
Canonical: a.getFullAddress(r.URL.Path),
Data: map[string]interface{}{
"Taxonomy": tax,
"ValueGroups": groupStrings(allValues),
},
})
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}