73 lines
2.3 KiB
PHP
73 lines
2.3 KiB
PHP
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#!/usr/bin/env php
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<?php
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/**
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* Migration: Add closed_at column to tickets table
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*
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* Adds a dedicated timestamp for when tickets are closed,
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* so avg resolution time isn't inflated by post-close edits.
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*
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* Usage: php scripts/add_closed_at_column.php
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*/
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require_once dirname(__DIR__) . '/config/config.php';
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$conn = new mysqli(
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$GLOBALS['config']['DB_HOST'],
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$GLOBALS['config']['DB_USER'],
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$GLOBALS['config']['DB_PASS'],
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$GLOBALS['config']['DB_NAME']
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);
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if ($conn->connect_error) {
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die("Database connection failed: " . $conn->connect_error . "\n");
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}
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echo "Adding closed_at column to tickets table...\n";
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// Add the column if it doesn't exist
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$result = $conn->query("SHOW COLUMNS FROM tickets LIKE 'closed_at'");
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if ($result->num_rows > 0) {
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echo "Column 'closed_at' already exists, skipping ALTER TABLE.\n";
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} else {
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$sql = "ALTER TABLE tickets ADD COLUMN closed_at TIMESTAMP NULL DEFAULT NULL AFTER updated_at";
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if ($conn->query($sql)) {
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echo "Column added successfully.\n";
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} else {
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die("Failed to add column: " . $conn->error . "\n");
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}
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// Add index for stats queries
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$conn->query("CREATE INDEX idx_tickets_closed_at ON tickets (closed_at)");
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echo "Index created.\n";
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}
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// Backfill: For existing closed tickets, use the audit log to find when they were closed
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echo "\nBackfilling closed_at from audit log...\n";
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$sql = "UPDATE tickets t
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JOIN (
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SELECT entity_id as ticket_id, MIN(created_at) as first_closed
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FROM audit_log
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WHERE entity_type = 'ticket'
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AND action_type = 'update'
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AND details LIKE '%\"status\":\"Closed\"%'
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GROUP BY entity_id
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) al ON t.ticket_id = al.ticket_id
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SET t.closed_at = al.first_closed
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WHERE t.status = 'Closed' AND t.closed_at IS NULL";
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$result = $conn->query($sql);
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$backfilled = $conn->affected_rows;
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echo "Backfilled $backfilled tickets from audit log.\n";
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// For any remaining closed tickets without audit log entries, use updated_at as fallback
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$sql = "UPDATE tickets SET closed_at = updated_at WHERE status = 'Closed' AND closed_at IS NULL";
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$conn->query($sql);
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$fallback = $conn->affected_rows;
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if ($fallback > 0) {
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echo "Used updated_at as fallback for $fallback tickets without audit log entries.\n";
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}
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echo "\nMigration complete!\n";
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$conn->close();
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