Implement comprehensive improvement plan (Phases 1-6)
Security (Phase 1-2): - Add SecurityHeadersMiddleware with CSP, X-Frame-Options, etc. - Add RateLimitMiddleware for API rate limiting - Add security event logging to AuditLogModel - Add ResponseHelper for standardized API responses - Update config.php with security constants Database (Phase 3): - Add migration 014 for additional indexes - Add migration 015 for ticket dependencies - Add migration 016 for ticket attachments - Add migration 017 for recurring tickets - Add migration 018 for custom fields Features (Phase 4-5): - Add ticket dependencies with DependencyModel and API - Add duplicate detection with check_duplicates API - Add file attachments with AttachmentModel and upload/download APIs - Add @mentions with autocomplete and highlighting - Add quick actions on dashboard rows Collaboration (Phase 5): - Add mention extraction in CommentModel - Add mention autocomplete dropdown in ticket.js - Add mention highlighting CSS styles Admin & Export (Phase 6): - Add StatsModel for dashboard widgets - Add dashboard stats cards (open, critical, unassigned, etc.) - Add CSV/JSON export via export_tickets API - Add rich text editor toolbar in markdown.js - Add RecurringTicketModel with cron job - Add CustomFieldModel for per-category fields - Add admin views: RecurringTickets, CustomFields, Workflow, Templates, AuditLog, UserActivity - Add admin APIs: manage_workflows, manage_templates, manage_recurring, custom_fields, get_users - Add admin routes in index.php Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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186
models/StatsModel.php
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186
models/StatsModel.php
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<?php
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/**
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* StatsModel - Dashboard statistics and metrics
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*
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* Provides various ticket statistics for dashboard widgets
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*/
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class StatsModel {
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private $conn;
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public function __construct($conn) {
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$this->conn = $conn;
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}
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/**
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* Get count of open tickets
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*/
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public function getOpenTicketCount() {
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$sql = "SELECT COUNT(*) as count FROM tickets WHERE status IN ('Open', 'Pending', 'In Progress')";
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$result = $this->conn->query($sql);
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$row = $result->fetch_assoc();
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return (int)$row['count'];
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}
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/**
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* Get count of closed tickets
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*/
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public function getClosedTicketCount() {
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$sql = "SELECT COUNT(*) as count FROM tickets WHERE status = 'Closed'";
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$result = $this->conn->query($sql);
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$row = $result->fetch_assoc();
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return (int)$row['count'];
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}
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/**
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* Get tickets grouped by priority
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*/
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public function getTicketsByPriority() {
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$sql = "SELECT priority, COUNT(*) as count FROM tickets WHERE status != 'Closed' GROUP BY priority ORDER BY priority";
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$result = $this->conn->query($sql);
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$data = [];
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while ($row = $result->fetch_assoc()) {
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$data['P' . $row['priority']] = (int)$row['count'];
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}
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return $data;
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}
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/**
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* Get tickets grouped by status
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*/
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public function getTicketsByStatus() {
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$sql = "SELECT status, COUNT(*) as count FROM tickets GROUP BY status ORDER BY FIELD(status, 'Open', 'Pending', 'In Progress', 'Closed')";
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$result = $this->conn->query($sql);
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$data = [];
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while ($row = $result->fetch_assoc()) {
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$data[$row['status']] = (int)$row['count'];
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}
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return $data;
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}
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/**
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* Get tickets grouped by category
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*/
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public function getTicketsByCategory() {
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$sql = "SELECT category, COUNT(*) as count FROM tickets WHERE status != 'Closed' GROUP BY category ORDER BY count DESC";
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$result = $this->conn->query($sql);
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$data = [];
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while ($row = $result->fetch_assoc()) {
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$data[$row['category']] = (int)$row['count'];
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}
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return $data;
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}
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/**
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* Get average resolution time in hours
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*/
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public function getAverageResolutionTime() {
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$sql = "SELECT AVG(TIMESTAMPDIFF(HOUR, created_at, updated_at)) as avg_hours
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FROM tickets
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WHERE status = 'Closed'
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AND created_at IS NOT NULL
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AND updated_at IS NOT NULL
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AND updated_at > created_at";
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$result = $this->conn->query($sql);
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$row = $result->fetch_assoc();
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return $row['avg_hours'] ? round($row['avg_hours'], 1) : 0;
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}
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/**
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* Get count of tickets created today
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*/
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public function getTicketsCreatedToday() {
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$sql = "SELECT COUNT(*) as count FROM tickets WHERE DATE(created_at) = CURDATE()";
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$result = $this->conn->query($sql);
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$row = $result->fetch_assoc();
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return (int)$row['count'];
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}
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/**
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* Get count of tickets created this week
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*/
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public function getTicketsCreatedThisWeek() {
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$sql = "SELECT COUNT(*) as count FROM tickets WHERE YEARWEEK(created_at, 1) = YEARWEEK(CURDATE(), 1)";
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$result = $this->conn->query($sql);
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$row = $result->fetch_assoc();
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return (int)$row['count'];
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}
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/**
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* Get count of tickets closed today
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*/
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public function getTicketsClosedToday() {
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$sql = "SELECT COUNT(*) as count FROM tickets WHERE status = 'Closed' AND DATE(updated_at) = CURDATE()";
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$result = $this->conn->query($sql);
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$row = $result->fetch_assoc();
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return (int)$row['count'];
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}
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/**
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* Get tickets by assignee (top 5)
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*/
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public function getTicketsByAssignee($limit = 5) {
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$sql = "SELECT
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u.display_name,
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u.username,
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COUNT(t.ticket_id) as ticket_count
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FROM tickets t
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JOIN users u ON t.assigned_to = u.user_id
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WHERE t.status != 'Closed'
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GROUP BY t.assigned_to
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ORDER BY ticket_count DESC
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LIMIT ?";
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$stmt = $this->conn->prepare($sql);
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$stmt->bind_param('i', $limit);
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$stmt->execute();
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$result = $stmt->get_result();
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$data = [];
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while ($row = $result->fetch_assoc()) {
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$name = $row['display_name'] ?: $row['username'];
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$data[$name] = (int)$row['ticket_count'];
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}
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$stmt->close();
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return $data;
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}
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/**
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* Get unassigned ticket count
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*/
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public function getUnassignedTicketCount() {
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$sql = "SELECT COUNT(*) as count FROM tickets WHERE assigned_to IS NULL AND status != 'Closed'";
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$result = $this->conn->query($sql);
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$row = $result->fetch_assoc();
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return (int)$row['count'];
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}
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/**
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* Get critical (P1) ticket count
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*/
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public function getCriticalTicketCount() {
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$sql = "SELECT COUNT(*) as count FROM tickets WHERE priority = 1 AND status != 'Closed'";
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$result = $this->conn->query($sql);
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$row = $result->fetch_assoc();
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return (int)$row['count'];
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}
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/**
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* Get all stats as a single array
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*/
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public function getAllStats() {
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return [
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'open_tickets' => $this->getOpenTicketCount(),
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'closed_tickets' => $this->getClosedTicketCount(),
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'created_today' => $this->getTicketsCreatedToday(),
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'created_this_week' => $this->getTicketsCreatedThisWeek(),
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'closed_today' => $this->getTicketsClosedToday(),
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'unassigned' => $this->getUnassignedTicketCount(),
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'critical' => $this->getCriticalTicketCount(),
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'avg_resolution_hours' => $this->getAverageResolutionTime(),
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'by_priority' => $this->getTicketsByPriority(),
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'by_status' => $this->getTicketsByStatus(),
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'by_category' => $this->getTicketsByCategory(),
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'by_assignee' => $this->getTicketsByAssignee()
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];
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}
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}
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?>
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