// Returns the closest interval on the same day to the given interval.
func (e *Entries) GetClosest(a iface.Filter, data map[string]interface{}) (*evenday.Interval, error) {
e.getOptions(a.Subject())
prof, err := e.db.ToId(data["professional"].(string))
if err != nil {
return nil, err
}
from := data["from"].(int64)
length := data["length"].(int64)
err = e.intervalIsValid(data, prof, length)
if err != nil {
return nil, err
}
tt, err := e.getTimeTable(prof)
if err != nil {
return nil, err
}
day := evenday.DateToDayName(from)
open := tt[day]
taken, err := e.getTaken(a, from)
if err != nil {
return nil, err
}
adv := evenday.NewAdvisor(open, taken)
to := from + length*60
adv.Amount(1)
interv, err := evenday.NewInterval(evenday.DateToMinute(from), evenday.DateToMinute(to))
if err != nil {
return nil, err
}
ret := adv.Advise(interv)
if len(ret) == 0 {
return nil, fmt.Errorf("Can't advise you, all day is taken.")
}
return ret[0], nil
}
// Checks if the timeTable is ok and the interval fits into the timeTable.
func (e *Entries) okAccordingToTimeTable(data map[string]interface{}, from, to int64) error {
dayN := evenday.DateToDayName(from)
prof, err := e.db.ToId(data["professional"].(string))
if err != nil {
return err
}
interval, err := evenday.GenericToInterval(from, to)
if err != nil {
return err
}
timeTable, err := e.getTimeTable(prof)
if err != nil {
return err
}
if !evenday.InTimeTable(dayN, interval, timeTable) {
return fmt.Errorf("Interval does not fit into timeTable.")
}
return nil
}