ok
Mini Shell
<?php
defined('BASEPATH') or exit('No direct script access allowed');
class Message_model extends CI_Model
{
//add conversation
public function add_conversation()
{
$data = array(
'sender_id' => $this->auth_user->id,
'receiver_id' => $this->input->post('receiver_id', true),
'subject' => $this->input->post('subject', true),
'product_id' => $this->input->post('product_id', true),
'created_at' => date("Y-m-d H:i:s")
);
if (empty($data['product_id'])) {
$data['product_id'] = 0;
}
if ($this->db->insert('conversations', $data)) {
return $this->db->insert_id();
}
return false;
}
//add message
public function add_message($conversation_id)
{
$conversation_id = clean_number($conversation_id);
$data = array(
'conversation_id' => $conversation_id,
'sender_id' => $this->auth_user->id,
'receiver_id' => $this->input->post('receiver_id', true),
'message' => $this->input->post('message', true),
'is_read' => 0,
'deleted_user_id' => 0,
'created_at' => date("Y-m-d H:i:s")
);
if (!empty($data['message'])) {
return $this->db->insert('conversation_messages', $data);
}
return false;
}
//get unread conversations
public function get_unread_conversations($user_id)
{
$user_id = clean_number($user_id);
$query_unread_conversations = $this->get_user_unread_conversation_ids_query($user_id);
$this->db->where("conversations.id IN ($query_unread_conversations)", NULL, FALSE);
$this->db->order_by('conversations.created_at', 'DESC');
$this->db->distinct();
$query = $this->db->get('conversations');
return $query->result();
}
//get read_conversations
public function get_read_conversations($user_id)
{
$user_id = clean_number($user_id);
$query_unread_conversations = $this->get_user_unread_conversation_ids_query($user_id);
$query_conversations = $this->get_user_conversation_ids_query($user_id);
$this->db->where("conversations.id IN ($query_conversations)", NULL, FALSE);
$this->db->where("conversations.id NOT IN ($query_unread_conversations)", NULL, FALSE);
$this->db->order_by('conversations.created_at', 'DESC');
$this->db->distinct();
$query = $this->db->get('conversations');
return $query->result();
}
//get user latest conversation
public function get_user_latest_conversation($user_id)
{
$user_id = clean_number($user_id);
$this->db->join('conversation_messages', 'conversation_messages.conversation_id = conversations.id');
$this->db->select('conversations.*, conversation_messages.is_read as is_read');
$this->db->where('deleted_user_id != ', $this->auth_user->id);
$this->db->group_start();
$this->db->where('conversations.sender_id', $user_id);
$this->db->or_where('conversations.receiver_id', $user_id);
$this->db->group_end();
$this->db->order_by('conversations.created_at', 'DESC');
$query = $this->db->get('conversations');
return $query->row();
}
//get user conversation
public function get_user_conversation($id)
{
$this->db->where('conversation_id', clean_number($id));
$this->db->where('deleted_user_id != ', $this->auth_user->id);
$query = $this->db->get('conversation_messages');
if ($query->num_rows() > 0) {
$this->db->where('id', $id);
$query = $this->db->get('conversations');
return $query->row();
}
return false;
}
//get conversation
public function get_conversation($id)
{
$id = clean_number($id);
$this->db->where('id', $id);
$query = $this->db->get('conversations');
return $query->row();
}
//get messages
public function get_messages($conversation_id)
{
$conversation_id = clean_number($conversation_id);
$this->db->where('conversation_id', $conversation_id);
$query = $this->db->get('conversation_messages');
return $query->result();
}
//get unread conversation count
public function get_unread_conversations_count($receiver_id)
{
$this->db->join('conversation_messages', 'conversation_messages.conversation_id = conversations.id');
$this->db->select('conversations.*, conversation_messages.is_read as is_read');
$this->db->where('conversation_messages.receiver_id', clean_number($receiver_id));
$this->db->where('conversation_messages.is_read', 0);
$this->db->where('conversation_messages.deleted_user_id !=', clean_number($receiver_id));
$this->db->distinct();
$query = $this->db->get('conversations');
return $query->num_rows();
}
//set conversation messages as read
public function set_conversation_messages_as_read($conversation_id)
{
$conversation_id = clean_number($conversation_id);
$messages = $this->get_unread_messages($conversation_id);
if (!empty($messages)) {
foreach ($messages as $message) {
if ($message->receiver_id == $this->auth_user->id) {
$data = array(
'is_read' => 1
);
$this->db->where('id', $message->id);
$this->db->update('conversation_messages', $data);
}
}
}
}
//get unread messages
public function get_unread_messages($conversation_id)
{
$conversation_id = clean_number($conversation_id);
$this->db->where('conversation_id', $conversation_id);
$this->db->where('receiver_id', $this->auth_user->id);
$this->db->where('is_read', 0);
$this->db->order_by('id', 'DESC');
$query = $this->db->get('conversation_messages');
return $query->result();
}
//get conversation unread messages count
public function get_conversation_unread_messages_count($conversation_id)
{
$conversation_id = clean_number($conversation_id);
$this->db->where('conversation_id', $conversation_id);
$this->db->where('receiver_id', $this->auth_user->id);
$this->db->where('is_read', 0);
$query = $this->db->get('conversation_messages');
return $query->num_rows();
}
//get user unread conversation ids
public function get_user_unread_conversation_ids_query($user_id)
{
$user_id = clean_number($user_id);
$this->db->select('conversation_id');
$this->db->where('receiver_id', $user_id);
$this->db->where('deleted_user_id !=', $user_id);
$this->db->where('is_read', 0);
$this->db->distinct();
$this->db->from('conversation_messages');
$query = $this->db->get_compiled_select();
$this->db->reset_query();
return $query;
}
//get user conversation ids
public function get_user_conversation_ids_query($user_id)
{
$user_id = clean_number($user_id);
$this->db->select('conversation_id');
$this->db->group_start();
$this->db->where('sender_id', $user_id);
$this->db->or_where('receiver_id', $user_id);
$this->db->group_end();
$this->db->where('deleted_user_id !=', $user_id);
$this->db->distinct();
$this->db->from('conversation_messages');
$query = $this->db->get_compiled_select();
$this->db->reset_query();
return $query;
}
//delete conversation
public function delete_conversation($id)
{
$id = clean_number($id);
$conversation = $this->get_conversation($id);
if (!empty($conversation)) {
$messages = $this->get_messages($conversation->id);
if (!empty($messages)) {
foreach ($messages as $message) {
if ($message->sender_id == $this->auth_user->id || $message->receiver_id == $this->auth_user->id) {
if ($message->deleted_user_id == 0) {
$data = array(
'deleted_user_id' => $this->auth_user->id
);
$this->db->where('id', $message->id);
$this->db->update('conversation_messages', $data);
} else {
$this->db->where('id', $message->id);
$this->db->delete('conversation_messages');
}
}
}
}
//delete conversation if does not have messages
$messages = $this->get_messages($conversation->id);
if (empty($messages)) {
$this->db->where('id', $conversation->id);
$this->db->delete('conversations');
}
}
}
}
Zerion Mini Shell 1.0