twilio-wp-plugin/includes/class-twp-agent-groups.php

<?php
/**
 * Agent Groups management class
 */
class TWP_Agent_Groups {
    
    /**
     * Create a new agent group
     */
    public static function create_group($data) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'twp_agent_groups';
        
        $result = $wpdb->insert(
            $table_name,
            array(
                'group_name' => sanitize_text_field($data['group_name']),
                'description' => sanitize_textarea_field($data['description']),
                'ring_strategy' => sanitize_text_field($data['ring_strategy'] ?? 'simultaneous'),
                'timeout_seconds' => intval($data['timeout_seconds'] ?? 30)
            ),
            array('%s', '%s', '%s', '%d')
        );
        
        return $result !== false ? $wpdb->insert_id : false;
    }
    
    /**
     * Update an agent group
     */
    public static function update_group($group_id, $data) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'twp_agent_groups';
        
        $update_data = array();
        $update_format = array();
        
        if (isset($data['group_name'])) {
            $update_data['group_name'] = sanitize_text_field($data['group_name']);
            $update_format[] = '%s';
        }
        
        if (isset($data['description'])) {
            $update_data['description'] = sanitize_textarea_field($data['description']);
            $update_format[] = '%s';
        }
        
        if (isset($data['ring_strategy'])) {
            $update_data['ring_strategy'] = sanitize_text_field($data['ring_strategy']);
            $update_format[] = '%s';
        }
        
        if (isset($data['timeout_seconds'])) {
            $update_data['timeout_seconds'] = intval($data['timeout_seconds']);
            $update_format[] = '%d';
        }
        
        return $wpdb->update(
            $table_name,
            $update_data,
            array('id' => $group_id),
            $update_format,
            array('%d')
        );
    }
    
    /**
     * Delete an agent group
     */
    public static function delete_group($group_id) {
        global $wpdb;
        $groups_table = $wpdb->prefix . 'twp_agent_groups';
        $members_table = $wpdb->prefix . 'twp_group_members';
        
        // Delete all members first
        $wpdb->delete($members_table, array('group_id' => $group_id), array('%d'));
        
        // Delete the group
        return $wpdb->delete($groups_table, array('id' => $group_id), array('%d'));
    }
    
    /**
     * Get all groups
     */
    public static function get_all_groups() {
        global $wpdb;
        $table_name = $wpdb->prefix . 'twp_agent_groups';
        
        return $wpdb->get_results("SELECT * FROM $table_name ORDER BY group_name ASC");
    }
    
    /**
     * Get a specific group
     */
    public static function get_group($group_id) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'twp_agent_groups';
        
        return $wpdb->get_row($wpdb->prepare(
            "SELECT * FROM $table_name WHERE id = %d",
            $group_id
        ));
    }
    
    /**
     * Add user to group
     */
    public static function add_member($group_id, $user_id, $priority = 0) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'twp_group_members';
        
        return $wpdb->insert(
            $table_name,
            array(
                'group_id' => intval($group_id),
                'user_id' => intval($user_id),
                'priority' => intval($priority),
                'is_active' => 1
            ),
            array('%d', '%d', '%d', '%d')
        );
    }
    
    /**
     * Remove user from group
     */
    public static function remove_member($group_id, $user_id) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'twp_group_members';
        
        return $wpdb->delete(
            $table_name,
            array(
                'group_id' => $group_id,
                'user_id' => $user_id
            ),
            array('%d', '%d')
        );
    }
    
    /**
     * Get group members
     */
    public static function get_group_members($group_id) {
        global $wpdb;
        $members_table = $wpdb->prefix . 'twp_group_members';
        $users_table = $wpdb->prefix . 'users';
        $usermeta_table = $wpdb->prefix . 'usermeta';
        
        $query = $wpdb->prepare("
            SELECT 
                gm.*,
                u.user_login,
                u.display_name,
                u.user_email,
                um.meta_value as phone_number
            FROM $members_table gm
            JOIN $users_table u ON gm.user_id = u.ID
            LEFT JOIN $usermeta_table um ON u.ID = um.user_id AND um.meta_key = 'twp_phone_number'
            WHERE gm.group_id = %d
            ORDER BY gm.priority ASC, u.display_name ASC
        ", $group_id);
        
        return $wpdb->get_results($query);
    }
    
    /**
     * Get all members' phone numbers for a group
     */
    public static function get_group_phone_numbers($group_id) {
        $members = self::get_group_members($group_id);
        $numbers = array();
        
        foreach ($members as $member) {
            if ($member->phone_number && $member->is_active) {
                $numbers[] = array(
                    'user_id' => $member->user_id,
                    'phone_number' => $member->phone_number,
                    'display_name' => $member->display_name,
                    'priority' => $member->priority
                );
            }
        }
        
        return $numbers;
    }
    
    /**
     * Get groups for a user
     */
    public static function get_user_groups($user_id) {
        global $wpdb;
        $groups_table = $wpdb->prefix . 'twp_agent_groups';
        $members_table = $wpdb->prefix . 'twp_group_members';
        
        $query = $wpdb->prepare("
            SELECT g.*
            FROM $groups_table g
            JOIN $members_table gm ON g.id = gm.group_id
            WHERE gm.user_id = %d AND gm.is_active = 1
            ORDER BY g.group_name ASC
        ", $user_id);
        
        return $wpdb->get_results($query);
    }
    
    /**
     * Check if user is in group
     */
    public static function is_user_in_group($user_id, $group_id) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'twp_group_members';
        
        $count = $wpdb->get_var($wpdb->prepare(
            "SELECT COUNT(*) FROM $table_name WHERE group_id = %d AND user_id = %d",
            $group_id,
            $user_id
        ));
        
        return $count > 0;
    }
    
    /**
     * Update member status
     */
    public static function update_member_status($group_id, $user_id, $is_active) {
        global $wpdb;
        $table_name = $wpdb->prefix . 'twp_group_members';
        
        return $wpdb->update(
            $table_name,
            array('is_active' => $is_active ? 1 : 0),
            array(
                'group_id' => $group_id,
                'user_id' => $user_id
            ),
            array('%d'),
            array('%d', '%d')
        );
    }
}