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@@ -0,0 +1,97 @@
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+<?php
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+require_once __DIR__ . '/../lib/identity.php';
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+require_once __DIR__ . '/../lib/jobs.php';
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+
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+[$actor, $vendor_id] = resolve_request_actor();
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+
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+if ($actor === 'ICG') {
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+ http_response_code(403);
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+ echo 'Partial ship is a vendor action';
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+ return;
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+}
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+
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+$pdo = db();
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+$job_id = (int) ($_POST['job_id'] ?? 0);
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+$partial = (int) ($_POST['partial_qty'] ?? 0);
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+
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+if ($job_id <= 0 || $partial <= 0) {
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+ http_response_code(400);
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+ echo 'Bad parameters';
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+ return;
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+}
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+
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+$stmt = $pdo->prepare('SELECT * FROM jobs WHERE id = ?');
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+$stmt->execute([$job_id]);
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+$job = $stmt->fetch();
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+if (!$job) {
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+ http_response_code(404);
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+ echo 'Job not found';
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+ return;
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+}
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+
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+if ((int) $job['vendor_id'] !== $vendor_id) {
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+ http_response_code(403);
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+ echo 'Wrong vendor';
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+ return;
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+}
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+
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+if (!in_array($job['status'], ['', 'Finished'], true)) {
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+ http_response_code(400);
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+ echo 'Can only partial-ship from open or finished status';
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+ return;
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+}
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+
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+$current_qty = (int) $job['qty'];
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+if ($partial >= $current_qty) {
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+ http_response_code(400);
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+ echo 'Partial quantity must be less than current quantity (' . $current_qty . ')';
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+ return;
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+}
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+
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+// BEGIN IMMEDIATE + retry mirrors the apply_job_change pattern.
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+$attempts = 0;
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+while (true) {
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+ $attempts++;
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+ try {
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+ $pdo->exec('BEGIN IMMEDIATE');
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+ break;
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+ } catch (PDOException $e) {
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+ if ($attempts >= 50 || !is_busy_error($e)) throw $e;
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+ usleep(100000);
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+ }
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+}
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+
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+try {
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+ $remaining = $current_qty - $partial;
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+
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+ // The shipped portion as its own row.
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+ $ins = $pdo->prepare(
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+ "INSERT INTO jobs (vendor_id, job, material, description, qty, due_date, ack, status)
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+ VALUES (?, ?, ?, ?, ?, ?, '', 'Shipped')"
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+ );
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+ $ins->execute([
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+ $job['vendor_id'], $job['job'], $job['material'], $job['description'],
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+ $partial, $job['due_date']
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+ ]);
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+ $new_id = (int) $pdo->lastInsertId();
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+
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+ // Deduct from the original; keep its current status.
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+ $upd = $pdo->prepare(
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+ "UPDATE jobs SET qty = ?, updated_at = datetime('now') WHERE id = ?"
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+ );
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+ $upd->execute([$remaining, $job_id]);
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+
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+ // Audit trail: new row's status, and the qty deduction on the original.
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+ $hist = $pdo->prepare(
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+ 'INSERT INTO job_history (job_id, field, old_value, new_value, actor)
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+ VALUES (?, ?, ?, ?, ?)'
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+ );
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+ $hist->execute([$new_id, 'status', '', 'Shipped', $actor]);
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+ $hist->execute([$job_id, 'qty', (string) $current_qty, (string) $remaining, $actor]);
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+
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+ $pdo->exec('COMMIT');
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+ echo 'Success';
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+} catch (Throwable $e) {
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+ $pdo->exec('ROLLBACK');
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+ throw $e;
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+}
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