Duplicate rows in the database when refreshing the page laravel - database

Question

there is a page which is updated every 5-7 seconds, and on it records from the base are updated, but moments these records are duplicated, Do not tell me why this bug can be?
is a ActiveCaller model
namespace App;
use Illuminate\Database\Eloquent\Model;
use Carbon\Carbon;
class ActiveCaller extends Model
{
protected $fillable = ['queue', 'employee_id', 'station', 'state', 'duration',
'client_id', 'last_call'];
public function Employee()
{
return $this->belongsTo(Employee::class);
}
/**
* Convert duration attribute to acceptable format
*
* #param $value
* #return string
*/
public function getDurationAttribute($value)
{
if (empty($value))
return $value;
return $this->sec2hms($value);
}
public function getStateAttribute($value)
{
if (!empty($value))
return trim($value);
return null;
}
/**
* Convert last call attribute to acceptable format
*
* #param $value
* #return string
*/
public function getLastCallAttribute($value)
{
$data = explode("\n", $value);
$result = "";
$i = 0;
$len = count($data) - 1;
foreach ($data as $item) {
$item = str_replace("\r", "", $item);
$delimiter = "</br>";
if ($i == $len)
$delimiter = "";
if (empty($item) || (trim($item) == "No calls yet")) {
$result .= "No calls yet$delimiter";
} else {
$result .= $this->sec2hms($item) . " min. ago $delimiter";
}
$i++;
}
return $result;
}
public function getStationAttribute($value)
{
return str_replace("\r\n", "</br>", $value);
}
private function sec2hms($sec, $padHours = FALSE)
{
$timeStart = Carbon::now();
$timeEnd = Carbon::now()->addSeconds(intval($sec));
return $timeStart->diff($timeEnd)->format('%H:%I:%S');
}
}
is a AmiApiController
class AmiApiController extends Controller
{
public function fetchDashboardData()
{
$this->updateQueueState();
$activeCallers = ActiveCaller::with('Employee')
->where('old', true)
->orderBy('queue')
->orderBy('employee_id')
->orderBy('station', 'asc')
->get();
$waitingList = WaitingList::where('old', false)->get();
$waitingList = $waitingList->unique('client_id');
$charts = Chart::all()->toArray();
$chartFormatData = [
'Total' => [],
'Callers' => [],
'Queues' => [],
];
foreach ($charts as $key => $chart) {
$charts[$key]['data'] = json_decode($chart['data'], 1);
$chartFormatData[$chart['name']]['total'] = 0;
foreach ($charts[$key]['data']['statistic'] as $datum) {
// if ($datum[0] === 'Effort')
// continue;
$chartFormatData[$chart['name']]['label'][] = $datum[0];
$chartFormatData[$chart['name']]['data'][] = $datum[1];
$chartFormatData[$chart['name']]['name'] = $chart['name'];
}
$chartFormatData[$chart['name']]['total'] = array_sum($chartFormatData[$chart['name']]['data']);
// $chartFormatData[$chart['name']]['label'] = array_reverse($chartFormatData[$chart['name']]['label']);
}
return response()->json([
'activeCallers' => $activeCallers,
'charts' => $chartFormatData,
'waitingList' => $waitingList
], 200);
}
this is where we begin to check if we can update the database at this time
/**
* Check whether the database can be updated at this time
*
* - Returns True if no updates are currently being made to the database
* and the latest update was less than 5 seconds later
* -
Returns True if the update already occurs for more than 15 seconds
*
* - Returns False if an update is already in the database
* -
Returns False if the last update was within the last 5 seconds
*
* If the parameter in $ json is passed true (by default)
* the method returns the answer in JSON format
*
* If the parameter is passed false to $ json
* method returns a php-shne Boolean value
*
* #param bool $json
* #return bool|\Illuminate\Http\JsonResponse
*/
public function canWeUpdate($json = true)
{
$result = ['return' => null, 'msg' => null];
$isUpdating = Configuration::where('key', 'is_ami_data_updating')->first();
if (is_null($isUpdating)) {
Configuration::create(['key' => 'is_ami_data_updating', 'value' => 0]);
}
if ($isUpdating->value == true) {
// if an update is currently in progress
$checkingDate = Carbon::now()->addSeconds(-10);
if ($isUpdating->updated_at < $checkingDate) {
// if the update is longer than 15 seconds, we will cancel this update
$isUpdating->update(['value' => false]);
$result['return'] = true;
$result['msg'] = "Old update in database";
} else {
// if the update is less than 15 seconds, we cannot update again
$result['return'] = false;
$result['msg'] = "CURRENTLY UPDATE";
}
} else if ($isUpdating->updated_at > Carbon::now()->addSeconds(-3)) {
// if the last update was less than 5 seconds ago, we cannot update
$result['return'] = false;
$result['msg'] = "TOO EARLY";
} else {
//if the last update was more than 5 seconds ago, we allow the update
$result['return'] = true;
$result['msg'] = "OK";
}
if ($json)
return $this->simpleResponse($result['return'], $result['msg']);
return $result['return'];
}
is a method fot check if new data is in the database
/**
* A method to check if new data is in the database
*
* Returns True if validation time is less than database update time
* Returns False if validation time is longer than database update time
* Returns False if there is no data in the database
*
* #param \Illuminate\Http\Request $request
* #return \Illuminate\Http\JsonResponse
*/
public function checkForNewData(Request $request)
{
$date = new Carbon($request->last_call);
$lastRecord = ActiveCaller::latest()->first();
if (is_null($lastRecord))
return $this->simpleResponse(false);
if ($date < $lastRecord->updated_at) {
return $this->simpleResponse(true);
} else
return $this->simpleResponse(false);
}
/**
* Method for loading table data
*
* Agents - information about active numbers in the PBX in all queues
* Waiting - information about numbers in standby mode
*
* #return \Illuminate\Http\JsonResponse
*/
public function renderAgentTable()
{
$agents = ActiveCaller::with('Employee')
->where('old', true)
->orderBy('queue')
->orderBy('station', 'asc')
->get();
$waitingList = WaitingList::all();
$agentsTable = View::make('dashboard.render.agent-table', ['agents' => $agents]);
$waitingTable = View::make('dashboard.render.waiting-list-table', ['waitingList' => $waitingList]);
$result =
[
'agents' => $agentsTable->render(),
'waiting' => $waitingTable->render(),
];
$result = array_merge($result, $this->renderDashboardChart(new Request()));
return response()->json($result);
}
/**
* Method for updating data from AMI
*
* updating data for ActiveCaller
* updating data for WaitingList
*/
public function updateQueueState()
{
if (!$this->canWeUpdate(false)) {
// dd("We can't update (large check)");
return;
}
$lastUpdateTime = ActiveCaller::latest()->first();
if ($lastUpdateTime != null)
if ($lastUpdateTime->created_at > Carbon::now()->addSeconds(-3)) {
// dd("We can't update (small check)");
return;
}
// we notice the launch of the update in the database
$isAmiDataUpdating = Configuration::where('key', 'is_ami_data_updating')->first();
$isAmiDataUpdating->update(['value' => true]);
$this->ClearOldRecords();
$queues = Queue::where('on_dashboard', '=', '1')->get()->toArray();
// we go through all the queues that are available in AMI
foreach ($queues as $queue) {
$command = new AMIQueueMemberState($queue['name']);
// we get a list of numbers and a waiting list of calls
$response = $command->handle();
$agents = $response['agents'];
$callers = $response['callers'];
//convert the waiting list to PeerList
$peerList = PeerInfo::hydrate($agents);
$employees = new Collection();
foreach ($callers as $caller) {
$caller['queue'] = $queue['name'];
WaitingList::create($caller);
}
$peerList->each(function (PeerInfo $peer) use ($employees) {
$record = Record
::where('phone', 'like', '%' . $peer->name . '%')
->where('end_date', null)
->get()->first();
$data = null;
if ($record != null) {
// check if this user already has an entry in active_callers (not old)
$active = ActiveCaller
::where('employee_id', $record['employee_id'])
->where('old', false)
->get()->first();
// if so, add him another number and
// we move on to the next iteration
if ($active != null) {
if ($this->HandleSingleActive($active, $peer->name, $peer->last_call))
return;
}
$peer->station = $record['station_name'];
$peer->employee_id = $record['employee_id'];
$a = collect($peer->toArray());
$data = $a->except(['name', 'pause'])->toArray();
$data['station'] = "$peer->station | $peer->name";
} else {
$peer->station = "- | $peer->name";
$a = collect($peer->toArray());
$data = $a->except(['name', 'pause'])->toArray();
}
ActiveCaller::create($data);
});
}
$this->updateDashboardChart();
$isAmiDataUpdating->update(['value' => false]);
}