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Fix first occurrence missing from recurring events

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The parent template is hidden from the calendar listing, but the
recurrence service was only generating children starting from the
second occurrence. Now generates a child for the parent's own start
date so the first occurrence is always visible.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Kyle 2026-02-22 01:55:50 +08:00
parent 1a707ff179
commit 3b63d18f63
1 changed files with 7 additions and 2 deletions
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9
backend/app/services/recurrence.py
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@ -84,6 +84,11 @@ def generate_occurrences(
original_start=occ_start,
)
# Always generate a child for the parent's own start date (the first occurrence).
# The parent template is hidden from list views, so without this the first date
# would have no visible event.
occurrences.append(_make_child(parent_start))
if rule_type == "every_n_days":
interval: int = int(rule.get("interval") or 1)
if interval < 1:
@ -95,10 +100,10 @@ def generate_occurrences(
elif rule_type == "weekly":
weekday: int = int(rule.get("weekday") if rule.get("weekday") is not None else parent_start.weekday())
# Start from the week after the parent
# Start from the next week after the parent
days_ahead = (weekday - parent_start.weekday()) % 7
if days_ahead == 0:
days_ahead = 7 # skip the parent's own week
days_ahead = 7
current = parent_start + timedelta(days=days_ahead)
while current < horizon:
occurrences.append(_make_child(current))