49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
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package models
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// Code generated by xo. DO NOT EDIT.
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import (
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"context"
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)
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// LeaderboardEntry represents a row from 'leaderboard_entry'.
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type LeaderboardEntry struct {
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Name string `json:"name"` // name
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Points int `json:"points"` // points
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LastValid Time `json:"last_valid"` // last_valid
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}
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// Leaderboard runs a custom query, returning results as LeaderboardEntry.
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func Leaderboard(ctx context.Context, db DB) ([]*LeaderboardEntry, error) {
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// query
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const sqlstr = `SELECT u.name, ` +
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`COALESCE(SUM(qa.points_awarded), 0) AS points, ` +
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`COALESCE(MAX(qa.submitted_at), u.created_at) as last_valid_submission ` +
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`FROM users u ` +
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`LEFT JOIN question_attempt qa ON u.id = qa.user_id AND qa.correct ` +
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`GROUP BY u.id ` +
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`ORDER BY COALESCE(SUM(qa.points_awarded), 0) DESC, ` +
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`MAX(qa.submitted_at) ASC`
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// run
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logf(sqlstr)
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rows, err := db.QueryContext(ctx, sqlstr)
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if err != nil {
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return nil, logerror(err)
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}
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defer rows.Close()
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// load results
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var res []*LeaderboardEntry
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for rows.Next() {
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var le LeaderboardEntry
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// scan
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if err := rows.Scan(&le.Name, &le.Points, &le.LastValid); err != nil {
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return nil, logerror(err)
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}
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res = append(res, &le)
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}
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if err := rows.Err(); err != nil {
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return nil, logerror(err)
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}
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return res, nil
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}
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