59 lines
1008 B
Go
59 lines
1008 B
Go
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package main
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import (
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"log/slog"
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"time"
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"go-mod.ewintr.nl/planner/item"
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)
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type Recur struct {
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repo Recurrer
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logger *slog.Logger
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}
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func NewRecur(repo Recurrer, interval time.Duration, logger *slog.Logger) *Recur {
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r := &Recur{
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repo: repo,
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logger: logger,
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}
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go r.run(interval)
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return r
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}
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func (r *Recur) run(interval time.Duration) {
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ticker := time.NewTicker(interval)
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for range ticker.C {
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if err := r.recur(); err != nil {
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r.logger.Error("could not recur", "error", err)
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}
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}
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}
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func (r *Recur) recur() error {
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items, err := r.repo.RecursBefore(time.Now())
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if err != nil {
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return err
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}
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for _, i := range items {
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if err := r.repo.RecursNext(i.ID, NewNext(i.Recurrer, i.RecurNext)); err != nil {
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return err
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}
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}
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return nil
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}
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func NewNext(r *item.Recur, old time.Time) time.Time {
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day, _ := time.ParseDuration("1d")
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test := old.Add(day)
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for {
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if r.On(test) || test.After(time.Date(2500, 1, 1, 0, 0, 0, 0, time.UTC)) {
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return test
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}
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test.Add(day)
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}
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}
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