440 lines
17 KiB
PHP
440 lines
17 KiB
PHP
<?php
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/**
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* ContactManager
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*
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* Handles all CRUD and soft-delete operations for contacts and contact types.
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*
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* Method order:
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* Master file basis → get/save/delete for contact types and contacts
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* Transaction basis → (none — contacts are master data only)
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* Report basis → (none — reporting is handled by ReportManager)
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*
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* Note: Write methods do NOT manage their own DB transactions.
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* Callers must wrap multi-step operations inside dbTransaction().
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*
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* Security: All SQL uses PDO prepared statements with bound parameters.
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* No user input is ever interpolated directly into a query string.
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*/
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class ContactManager {
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private $pdo;
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private $company_id;
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public function __construct($pdo, $company_id) {
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$this->pdo = $pdo;
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$this->company_id = $company_id;
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}
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// ─────────────────────────────────────────────────────────────
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// Private helpers
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// ─────────────────────────────────────────────────────────────
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/**
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* Check whether a contact is referenced by any active stock transaction
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* across all td_stock_* warehouse tables.
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*
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* Used as a pre-delete guard to prevent orphaning stock records.
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* Scans information_schema to discover all td_stock_* tables dynamically.
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* Table names from information_schema are backtick-quoted for safety.
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*
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* @param int $contact_id The md_contact.id to check.
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* @return bool true if at least one stock row references this contact, false if clear.
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*/
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private function hasActiveStock(int $contact_id): bool {
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$sth = $this->pdo->prepare(
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"SELECT table_name FROM information_schema.tables
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WHERE table_schema = DATABASE()
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AND table_name LIKE 'td_stock_%'"
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);
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$sth->execute();
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$tables = $sth->fetchAll(PDO::FETCH_COLUMN);
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foreach ($tables as $table) {
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// table name comes from information_schema (trusted system table),
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// and is backtick-quoted — no user input reaches the table identifier.
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$sth = $this->pdo->prepare(
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"SELECT COUNT(*) FROM `$table`
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WHERE company_id = :company_id
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AND contact_id = :contact_id"
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);
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$sth->execute([
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':company_id' => $this->company_id,
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':contact_id' => $contact_id,
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]);
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if ($sth->fetchColumn() > 0) {
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return true;
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}
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}
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return false;
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}
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/**
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* Build a standard audit log entry array for append-to-JSON log columns.
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*
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* Captures the acting user_id, current datetime, session login time,
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* and a short action label (e.g. 'delete', 'update').
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*
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* Usage:
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* $log[] = $this->buildLogEntry('delete');
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* $params[':log'] = json_encode($log);
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*
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* @param string $action Short label describing the operation (e.g. 'delete').
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* @return array Associative array ready to be appended to a log array.
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*/
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private function buildLogEntry(string $action): array {
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return [
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'user_id' => $_SESSION['login_user_id'] ?? null,
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'dt' => date('Y-m-d H:i:s'),
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'login' => isset($_SESSION['otpTime'])
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? date('Y-m-d H:i:s', $_SESSION['otpTime'])
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: null,
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'action' => $action,
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];
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}
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// ─────────────────────────────────────────────────────────────
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// MASTER FILE BASIS — Contact Type
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// ─────────────────────────────────────────────────────────────
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/**
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* Return all contact types for the company.
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*
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* Used to populate dropdowns and the contact type listing page.
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*
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* @return array All rows from md_contact_type for this company.
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*/
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public function getContactTypeList(): array
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{
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$sth = $this->pdo->prepare(
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"SELECT * FROM md_contact_type
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WHERE company_id = :company_id"
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);
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$sth->execute([':company_id' => $this->company_id]);
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return $sth->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* Fetch a single contact type row by its primary key.
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*
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* Used to pre-fill the edit form on the manage contact type page.
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*
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* @param int $id The md_contact_type.id to fetch.
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* @return array|false Associative row, or false if not found.
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*/
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public function getContactTypeById(int $id): array|false
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{
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$sth = $this->pdo->prepare(
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"SELECT * FROM md_contact_type
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WHERE company_id = :company_id AND id = :id"
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);
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$sth->execute([':company_id' => $this->company_id, ':id' => $id]);
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return $sth->fetch(PDO::FETCH_ASSOC);
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}
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/**
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* Insert a new contact type or update an existing one.
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*
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* Pass $data['id'] = 0 to insert; pass $data['id'] > 0 to update.
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* The $logging array is appended to the row's JSON log column
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* (caller constructs this from session/request context).
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*
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* Must be called inside dbTransaction() by the caller.
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*
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* @param array $data Keys: id, contact_type, description, status.
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* @param array $logging Audit entry to append to the log column.
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*/
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public function saveContactType(array $data, array $logging): void
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{
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$id = (int)($data['id'] ?? 0);
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$sth = $this->pdo->prepare(
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"SELECT `log` FROM md_contact_type
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WHERE company_id = :company_id AND id = :id"
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);
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$sth->execute([':company_id' => $this->company_id, ':id' => $id]);
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$table_log = json_decode($sth->fetchColumn() ?: '[]', true) ?: [];
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$table_log[] = $logging;
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$params = [
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':company_id' => $this->company_id,
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':contact_type' => $data['contact_type'],
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':description' => $data['description'],
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':status' => (int)$data['status'],
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':log' => json_encode($table_log),
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];
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if ($id > 0) {
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$params[':id'] = $id;
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$this->pdo->prepare(
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"UPDATE md_contact_type SET
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`contact_type` = :contact_type,
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`description` = :description,
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`status` = :status,
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`log` = :log
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WHERE id = :id AND company_id = :company_id"
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)->execute($params);
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} else {
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$this->pdo->prepare(
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"INSERT INTO md_contact_type
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(company_id, contact_type, `description`, `status`, `log`)
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VALUES
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(:company_id, :contact_type, :description, :status, :log)"
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)->execute($params);
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}
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}
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/**
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* Soft-delete a contact type by negating its company_id.
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*
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* Blocks deletion if any md_contact row is still assigned to this type,
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* preventing orphaned contacts.
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*
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* Must be called inside dbTransaction() by the caller.
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*
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* @param int $type_id The md_contact_type.id to delete.
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* @throws Exception If the type is not found or has contacts assigned to it.
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*/
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public function deleteContactType(int $type_id): void {
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$sth = $this->pdo->prepare(
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"SELECT id, contact_type, `log` FROM md_contact_type
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WHERE company_id = :company_id AND id = :id"
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);
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$sth->execute([
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':company_id' => $this->company_id,
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':id' => $type_id,
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]);
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$row = $sth->fetch(PDO::FETCH_ASSOC);
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if (!$row) {
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throw new Exception("Contact type not found.");
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}
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// Block if any contact references this type
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$sth = $this->pdo->prepare(
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"SELECT COUNT(*) FROM md_contact
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WHERE company_id = :company_id
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AND contact_type = :type_id"
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);
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$sth->execute([
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':company_id' => $this->company_id,
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':type_id' => $type_id,
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]);
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if ($sth->fetchColumn() > 0) {
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throw new Exception(
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"Cannot delete — contact type \"{$row['contact_type']}\" " .
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"still has contacts assigned to it."
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);
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}
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// Append delete event to log
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$log = json_decode($row['log'] ?? '[]', true) ?: [];
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$log[] = $this->buildLogEntry('delete');
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// Soft-delete: negate company_id so row is hidden but recoverable
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$this->pdo->prepare(
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"UPDATE md_contact_type
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SET company_id = company_id * -1,
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`log` = :log
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WHERE id = :id AND company_id = :company_id"
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)->execute([
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':log' => json_encode($log),
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':id' => $type_id,
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':company_id' => $this->company_id,
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]);
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}
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// ─────────────────────────────────────────────────────────────
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// MASTER FILE BASIS — Contact
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// ─────────────────────────────────────────────────────────────
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/**
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* Return all contacts for the company.
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*
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* Used to populate the contact listing page and bulk dropdowns.
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*
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* @return array All rows from md_contact for this company.
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*/
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public function getContactList(): array
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{
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$sth = $this->pdo->prepare(
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"SELECT * FROM md_contact
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WHERE company_id = :company_id"
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);
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$sth->execute([':company_id' => $this->company_id]);
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return $sth->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* Fetch a single contact row by its primary key.
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*
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* Used to pre-fill the edit form on the manage contact page.
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*
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* @param int $id The md_contact.id to fetch.
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* @return array|false Associative row, or false if not found.
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*/
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public function getContactById(int $id): array|false
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{
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$sth = $this->pdo->prepare(
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"SELECT * FROM md_contact
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WHERE company_id = :company_id AND id = :id"
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);
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$sth->execute([':company_id' => $this->company_id, ':id' => $id]);
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return $sth->fetch(PDO::FETCH_ASSOC);
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}
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/**
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* Search contacts by name keyword — for live autocomplete on stock forms.
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*
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* Returns up to 50 matches. The keyword is safely bound as a LIKE parameter;
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* no wildcard escaping is needed here since '%' wrapping is the intended behaviour.
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*
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* @param string $keyword Partial contact name to match.
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* @return array Matching md_contact rows.
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*/
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public function searchContact(string $keyword): array
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{
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$sth = $this->pdo->prepare(
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"SELECT * FROM md_contact
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WHERE company_id = :company_id
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AND contact_name LIKE :keyword
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LIMIT 50"
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);
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$sth->execute([
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':company_id' => $this->company_id,
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':keyword' => '%' . $keyword . '%',
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]);
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return $sth->fetchAll(PDO::FETCH_ASSOC);
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}
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/**
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* Insert a new contact or update an existing one.
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*
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* Pass $data['id'] = 0 to insert; pass $data['id'] > 0 to update.
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* $contact_image is the resolved filename/path from FileUploader — may be
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* the existing image when no new file was uploaded.
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* The $logging array is appended to the row's JSON log column.
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*
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* Must be called inside dbTransaction() by the caller.
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*
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* @param array $data Keys: id, contact_name, tax_id, organization, branch,
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* contact_type, billing_address, shipping_location,
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* shipping_address, remark, status.
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* @param array $logging Audit entry to append to the log column.
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* @param string $contact_image Stored filename for the contact's profile image.
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*/
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public function saveContact(array $data, array $logging, string $contact_image): void
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{
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$id = (int)($data['id'] ?? 0);
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$sth = $this->pdo->prepare(
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"SELECT `log` FROM md_contact
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WHERE company_id = :company_id AND id = :id"
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);
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$sth->execute([':company_id' => $this->company_id, ':id' => $id]);
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$table_log = json_decode($sth->fetchColumn() ?: '[]', true) ?: [];
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$table_log[] = $logging;
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$params = [
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':company_id' => $this->company_id,
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':contact_name' => $data['contact_name'],
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':tax_id' => $data['tax_id'],
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':organization' => $data['organization'],
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':branch' => $data['branch'],
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':contact_type' => (int)$data['contact_type'],
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':billing_address' => $data['billing_address'],
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':shipping_location' => $data['shipping_location'],
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':shipping_address' => $data['shipping_address'],
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':remark' => $data['remark'],
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':contact_image' => $contact_image,
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':status' => (int)$data['status'],
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':log' => json_encode($table_log),
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];
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if ($id > 0) {
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$params[':id'] = $id;
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$this->pdo->prepare(
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"UPDATE md_contact SET
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`contact_name` = :contact_name,
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`tax_id` = :tax_id,
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`organization` = :organization,
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`branch` = :branch,
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`contact_type` = :contact_type,
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`billing_address` = :billing_address,
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`shipping_location` = :shipping_location,
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`shipping_address` = :shipping_address,
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`remark` = :remark,
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`contact_image` = :contact_image,
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`status` = :status,
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`log` = :log
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WHERE id = :id AND company_id = :company_id"
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)->execute($params);
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} else {
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$this->pdo->prepare(
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"INSERT INTO md_contact
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(company_id, contact_name, tax_id, organization, branch, contact_type,
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billing_address, shipping_location, shipping_address, remark, contact_image, status, log)
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VALUES
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(:company_id, :contact_name, :tax_id, :organization, :branch, :contact_type,
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:billing_address, :shipping_location, :shipping_address, :remark, :contact_image, :status, :log)"
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)->execute($params);
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}
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}
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/**
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* Soft-delete a contact by negating its company_id.
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*
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* Blocks deletion if the contact is referenced in any active stock
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* transaction across all td_stock_* warehouse tables, preventing
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* broken foreign key references in transaction history.
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*
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* Must be called inside dbTransaction() by the caller.
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*
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* @param int $contact_id The md_contact.id to delete.
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* @throws Exception If the contact is not found or has active stock references.
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*/
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public function deleteContact(int $contact_id): void {
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$sth = $this->pdo->prepare(
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"SELECT id, contact_name, `log` FROM md_contact
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WHERE company_id = :company_id AND id = :id"
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);
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$sth->execute([
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':company_id' => $this->company_id,
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':id' => $contact_id,
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]);
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$row = $sth->fetch(PDO::FETCH_ASSOC);
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if (!$row) {
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throw new Exception("Contact not found.");
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}
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// Block if contact is referenced in any active stock transaction
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if ($this->hasActiveStock($contact_id)) {
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throw new Exception(
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"Cannot delete — \"{$row['contact_name']}\" " .
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"is referenced in active stock transactions."
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);
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}
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// Append delete event to log
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$log = json_decode($row['log'] ?? '[]', true) ?: [];
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$log[] = $this->buildLogEntry('delete');
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// Soft-delete: negate company_id so row is hidden but recoverable
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$this->pdo->prepare(
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"UPDATE md_contact
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SET company_id = company_id * -1,
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`log` = :log
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WHERE id = :id AND company_id = :company_id"
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)->execute([
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':log' => json_encode($log),
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':id' => $contact_id,
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':company_id' => $this->company_id,
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]);
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}
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} |