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Support mysql 5.7 when clean duplicate events #3059

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merged 1 commit into from
Oct 20, 2025
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Support mysql 5.7 when clean duplicate events #3059

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69 changes: 33 additions & 36 deletions app/Console/Commands/CleanDuplicateEvents.php
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Original file line number Diff line number Diff line change
Expand Up @@ -38,83 +38,80 @@ public function handle(): int
$shouldDelete ? 'DELETE' : 'DRY-RUN'
));

// --- Detect clusters of events with same title/start/end within 2 seconds ---
$year = 2025;

$duplicates = DB::select("
SELECT
e.id,
e.title,
e.start_date,
e.end_date,
e.created_at,
LAG(e.created_at) OVER (PARTITION BY e.title, e.start_date, e.end_date ORDER BY e.created_at) AS prev_created
e.created_at
FROM events e
WHERE YEAR(e.created_at) = 2025
WHERE YEAR(e.created_at) = ?
AND e.title <> ''
AND e.start_date IS NOT NULL
AND e.end_date IS NOT NULL
ORDER BY e.title, e.start_date, e.created_at
");
ORDER BY e.title, e.start_date, e.created_at, e.id
", [$year]);

$toDelete = [];
$groups = [];
$prevTitle = $prevStart = $prevEnd = null;
$group = [];

foreach ($duplicates as $row) {
$diff = null;
if ($row->prev_created) {
$diff = abs(strtotime($row->created_at) - strtotime($row->prev_created));
}
$prevTitle = $prevStart = $prevEnd = null;
$prevCreated = null;

if (
$row->title === $prevTitle &&
$row->start_date === $prevStart &&
$row->end_date === $prevEnd &&
$diff !== null && $diff < 2
) {
$group[] = $row->id;
} else {
if (count($group) > 1) {
$groups[] = $group;
$byId = [];
foreach ($duplicates as $r) {
$byId[$r->id] = $r;
}

foreach ($duplicates as $row) {
$sameKey = ($row->title === $prevTitle && $row->start_date === $prevStart && $row->end_date === $prevEnd);

if ($sameKey && $prevCreated !== null) {
$diff = abs(strtotime($row->created_at) - strtotime($prevCreated));
if ($diff < 2) {
$group[] = $row->id;
} else {
if (count($group) > 1) $groups[] = $group;
$group = [$row->id];
}
} else {
if (count($group) > 1) $groups[] = $group;
$group = [$row->id];
}

$prevTitle = $row->title;
$prevStart = $row->start_date;
$prevEnd = $row->end_date;
$prevCreated = $row->created_at;
}

if (count($group) > 1) {
$groups[] = $group;
}
if (count($group) > 1) $groups[] = $group;

if (empty($groups)) {
$this->info('No duplicate event groups found in 2025.');
$this->info("No duplicate event groups found in {$year}.");
return self::SUCCESS;
}

$this->info(sprintf('Found %d duplicate group(s):', count($groups)));

$rows = [];
foreach ($groups as $g) {
$firstEvent = collect($duplicates)->firstWhere('id', $g[0]);

$first = $byId[$g[0]] ?? null;
$rows[] = [
implode(', ', $g),
count($g) . ' items',
$firstEvent?->title ?? '—',
$firstEvent?->start_date ?? '—',
$firstEvent?->end_date ?? '—',
$first?->title ?? '—',
$first?->start_date ?? '—',
$first?->end_date ?? '—',
];

$toDelete = array_merge($toDelete, array_slice($g, 1));
}

$this->table(
['Event IDs (Group)', 'Count', 'Title', 'Start date', 'End date'],
$rows
);
$this->table(['Event IDs (Group)', 'Count', 'Title', 'Start date', 'End date'], $rows);

if (!$shouldDelete) {
$this->newLine();
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