mirror of https://github.com/jlelse/GoBlog
Simple blogging system written in Go
https://goblog.app
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
1.7 KiB
65 lines
1.7 KiB
package main
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import (
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"context"
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"database/sql"
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"errors"
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"fmt"
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"net/http"
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"github.com/go-chi/chi/v5"
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)
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const taxonomyContextKey = "taxonomy"
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func (a *goBlog) serveTaxonomy(w http.ResponseWriter, r *http.Request) {
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blog, _ := a.getBlog(r)
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tax := r.Context().Value(taxonomyContextKey).(*configTaxonomy)
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allValues, err := a.db.allTaxonomyValues(blog, tax.Name)
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if err != nil {
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a.serveError(w, r, err.Error(), http.StatusInternalServerError)
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return
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}
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a.render(w, r, a.renderTaxonomy, &renderData{
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Canonical: a.getFullAddress(r.URL.Path),
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Data: &taxonomyRenderData{
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taxonomy: tax,
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valueGroups: groupStrings(allValues),
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},
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})
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}
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func (a *goBlog) serveTaxonomyValue(w http.ResponseWriter, r *http.Request) {
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_, bc := a.getBlog(r)
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tax := r.Context().Value(taxonomyContextKey).(*configTaxonomy)
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taxValueParam := chi.URLParam(r, "taxValue")
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if taxValueParam == "" {
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a.serve404(w, r)
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return
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}
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// Get value from DB
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row, err := a.db.QueryRow(
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"select value from post_parameters where parameter = @tax and urlize(value) = @taxValue limit 1",
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sql.Named("tax", tax.Name), sql.Named("taxValue", taxValueParam),
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)
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if err != nil {
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a.serveError(w, r, err.Error(), http.StatusInternalServerError)
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return
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}
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var taxValue string
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err = row.Scan(&taxValue)
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if err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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a.serve404(w, r)
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return
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}
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a.serveError(w, r, err.Error(), http.StatusInternalServerError)
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return
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}
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// Serve index
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a.serveIndex(w, r.WithContext(context.WithValue(r.Context(), indexConfigKey, &indexConfig{
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path: bc.getRelativePath(fmt.Sprintf("/%s/%s", tax.Name, taxValueParam)),
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tax: tax,
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taxValue: taxValue,
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})))
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}
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