37 lines
919 B
Go
37 lines
919 B
Go
package main
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import ()
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func commentStatistics(domain string) ([]int64, error) {
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statement := `
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SELECT COUNT(comments.creationDate)
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FROM (
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SELECT to_char(date_trunc('day', (current_date - offs)), 'YYYY-MM-DD') AS date
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FROM generate_series(0, 30, 1) AS offs
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) gen LEFT OUTER JOIN comments
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ON gen.date = to_char(date_trunc('day', comments.creationDate), 'YYYY-MM-DD') AND
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comments.domain=$1
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GROUP BY gen.date
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ORDER BY gen.date;
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`
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rows, err := db.Query(statement, domain)
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if err != nil {
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logger.Errorf("cannot get daily views: %v", err)
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return []int64{}, errorInternal
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}
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defer rows.Close()
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last30Days := []int64{}
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for rows.Next() {
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var count int64
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if err = rows.Scan(&count); err != nil {
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logger.Errorf("cannot get daily comments for the last month: %v", err)
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return make([]int64, 0), errorInternal
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}
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last30Days = append(last30Days, count)
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}
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return last30Days, nil
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}
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