From c3e00455c995d87872cc13ee8de9a76f2c7dc7bf Mon Sep 17 00:00:00 2001
From: Erik Winter <e@ewintr.nl>
Date: Mon, 9 Dec 2024 08:44:19 +0100
Subject: [PATCH] wip

---
 item/recur.go         | 11 +++++++++++
 sync/service/recur.go | 42 ++++++++++++++++++++++++------------------
 2 files changed, 35 insertions(+), 18 deletions(-)

diff --git a/item/recur.go b/item/recur.go
index 02b371b..545ffcb 100644
--- a/item/recur.go
+++ b/item/recur.go
@@ -69,6 +69,17 @@ func (r *Recur) onMonths(date time.Time) bool {
 	}
 }
 
+func (r *Recur) NextAfter(old time.Time) time.Time {
+	day, _ := time.ParseDuration("1d")
+	test := old.Add(day)
+	for {
+		if r.On(test) || test.After(time.Date(2500, 1, 1, 0, 0, 0, 0, time.UTC)) {
+			return test
+		}
+		test.Add(day)
+	}
+}
+
 func (r *Recur) Valid() bool {
 	return r.Start.IsZero() || !slices.Contains(ValidPeriods, r.Period)
 }
diff --git a/sync/service/recur.go b/sync/service/recur.go
index f01de48..c69d10c 100644
--- a/sync/service/recur.go
+++ b/sync/service/recur.go
@@ -8,14 +8,16 @@ import (
 )
 
 type Recur struct {
-	repo   Recurrer
-	logger *slog.Logger
+	repoSync  Syncer
+	repoRecur Recurrer
+	logger    *slog.Logger
 }
 
-func NewRecur(repo Recurrer, interval time.Duration, logger *slog.Logger) *Recur {
+func NewRecur(repoRecur Recurrer, repoSync Syncer, interval time.Duration, logger *slog.Logger) *Recur {
 	r := &Recur{
-		repo:   repo,
-		logger: logger,
+		repoRecur: repoRecur,
+		repoSync:  repoSync,
+		logger:    logger,
 	}
 	go r.run(interval)
 
@@ -33,26 +35,30 @@ func (r *Recur) run(interval time.Duration) {
 }
 
 func (r *Recur) recur() error {
-	items, err := r.repo.RecursBefore(time.Now())
+	items, err := r.repoRecur.RecursBefore(time.Now())
 	if err != nil {
 		return err
 	}
 	for _, i := range items {
-		if err := r.repo.RecursNext(i.ID, NewNext(i.Recurrer, i.RecurNext)); err != nil {
+		// spawn instance
+		ne, err := item.NewEvent(i)
+		if err != nil {
+			return err
+		}
+		ne.Start = i.RecurNext // TODO something with time
+		ni, err := ne.Item()
+		if err != nil {
+			return err
+		}
+		if err := r.repoSync.Update(ni); err != nil {
+			return err
+		}
+
+		// set next
+		if err := r.repoRecur.RecursNext(i.ID, i.Recurrer.NextAfter(i.RecurNext)); err != nil {
 			return err
 		}
 	}
 
 	return nil
 }
-
-func NewNext(r *item.Recur, old time.Time) time.Time {
-	day, _ := time.ParseDuration("1d")
-	test := old.Add(day)
-	for {
-		if r.On(test) || test.After(time.Date(2500, 1, 1, 0, 0, 0, 0, time.UTC)) {
-			return test
-		}
-		test.Add(day)
-	}
-}