67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package main
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import (
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"github.com/lib/pq"
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"net/http"
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)
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func commentCount(domain string, paths []string) (map[string]int, error) {
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commentCounts := map[string]int{}
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if domain == "" {
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return nil, errorMissingField
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}
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if len(paths) == 0 {
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return nil, errorEmptyPaths
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}
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statement := `
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SELECT path, commentCount
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FROM pages
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WHERE domain = $1 AND path = ANY($2);
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`
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rows, err := db.Query(statement, domain, pq.Array(paths))
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if err != nil {
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logger.Errorf("cannot get comments: %v", err)
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return nil, errorInternal
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}
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defer rows.Close()
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for rows.Next() {
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var path string
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var commentCount int
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if err = rows.Scan(&path, &commentCount); err != nil {
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logger.Errorf("cannot scan path and commentCount: %v", err)
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return nil, errorInternal
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}
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commentCounts[path] = commentCount
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}
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return commentCounts, nil
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}
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func commentCountHandler(w http.ResponseWriter, r *http.Request) {
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type request struct {
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Domain *string `json:"domain"`
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Paths *[]string `json:"paths"`
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}
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var x request
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if err := bodyUnmarshal(r, &x); err != nil {
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bodyMarshal(w, response{"success": false, "message": err.Error()})
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return
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}
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domain := domainStrip(*x.Domain)
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commentCounts, err := commentCount(domain, *x.Paths)
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if err != nil {
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bodyMarshal(w, response{"success": false, "message": err.Error()})
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return
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}
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bodyMarshal(w, response{"success": true, "commentCounts": commentCounts})
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}
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