mirror of https://github.com/jlelse/GoBlog
40 lines
986 B
Go
40 lines
986 B
Go
package main
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import (
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"database/sql"
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"net/http"
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)
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func (db *database) allPostAliases() ([]string, error) {
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var aliases []string
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rows, err := db.query("select distinct value from post_parameters where parameter = 'aliases' and value != path")
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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var path string
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_ = rows.Scan(&path)
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if path != "" {
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aliases = append(aliases, path)
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}
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}
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return aliases, nil
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}
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func (a *goBlog) servePostAlias(w http.ResponseWriter, r *http.Request) {
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row, err := a.db.queryRow("select path from post_parameters where parameter = 'aliases' and value = @alias", sql.Named("alias", r.URL.Path))
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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 path string
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if err := row.Scan(&path); err == sql.ErrNoRows {
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a.serve404(w, r)
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return
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} else 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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http.Redirect(w, r, path, http.StatusFound)
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}
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