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Go
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import ( "database/sql" "fmt" "strings" "time"
"tangled.org/core/appview/models")
// this adds to the existing countfunc AddPunch(e Execer, punch models.Punch) error { _, err := e.Exec(` insert into punchcard (did, date, count) values (?, ?, ?) on conflict(did, date) do update set count = coalesce(punchcard.count, 0) + excluded.count; `, punch.Did, punch.Date.Format(time.DateOnly), punch.Count) return err}
func MakePunchcard(e Execer, filters ...filter) (*models.Punchcard, error) { punchcard := &models.Punchcard{} now := time.Now() startOfYear := time.Date(now.Year(), 1, 1, 0, 0, 0, 0, time.UTC) endOfYear := time.Date(now.Year(), 12, 31, 0, 0, 0, 0, time.UTC) for d := startOfYear; d.Before(endOfYear) || d.Equal(endOfYear); d = d.AddDate(0, 0, 1) { punchcard.Punches = append(punchcard.Punches, models.Punch{ Date: d, Count: 0, }) }
var conditions []string var args []any for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") }
query := fmt.Sprintf(` select date, sum(count) as total_count from punchcard %s group by date order by date `, whereClause)
rows, err := e.Query(query, args...) if err != nil { return nil, err } defer rows.Close()
for rows.Next() { var punch models.Punch var date string var count sql.NullInt64 if err := rows.Scan(&date, &count); err != nil { return nil, err }
punch.Date, err = time.Parse(time.DateOnly, date) if err != nil { fmt.Println("invalid date") // this punch is not recorded if date is invalid continue }
if count.Valid { punch.Count = int(count.Int64) }
punchcard.Punches[punch.Date.YearDay()] = punch punchcard.Total += punch.Count }
return punchcard, nil}