scans/add

gistfile1.txt

    public function add() {
        Configure::write('debug', 2);
        
        try {
            
            if (!$this->checkKey()) {
                throw new Exception('Empty key', 10016);
            }

            if (empty($this->request->data['private_token'])) {
                throw new Exception('Empty private token', 10002);
            }
            
            if (empty($this->request->data['qr_code'])) {
                throw new Exception('Parameters are missing', 10005);
            }
            
            $result = array('code' => 200, 'time' => time());
            $id = $this->__get_id($this->request->data['qr_code']);
            if ($id == false) {
                throw new Exception('Bar Code Validation error', 10011);
            }

            // get our campaign
            $campaign = $this->Scan->Campaign->find('first', array(
                'conditions' => array('Campaign.id' => $id, 'Campaign.is_deleted' => false),
                'recursive' => -1,
                'fields' => array('deal_type', 
                				  'Campaign.id', 
                				  'Campaign.scan_frequency_count', 
                				  'Campaign.scan_frequency_interval', 
                				  'redemptions_limit')
            ));
            if (empty($campaign['Campaign']['id'])) {
                throw new Exception('Campaign not found', 10012);
            }

            // scan to unlock deal type
            $scanAllowed = true; // default to allow
            $isSaved = true;
            
            if ($campaign['Campaign']['deal_type'] == 'unlock') {
                
                // check scan frequency
                $createdCondition = array();
                $createdCondition = $this->generate_created_condition($campaign);

                // count the number of scans for a campaign
                $countScanned = $this->count_scans_for_campaign($campaign, $createdCondition);

                // -
                // 1. check to make sure we are not over the scan frequency count
                // -
                if ($countScanned >= $campaign['Campaign']['scan_frequency_count']) {
                    CakeLog::write('debug', '00. we reached the limit scan is not allowed: ' . $countScanned . ' -- ' . $campaign['Campaign']['scan_frequency_count']);  
                    $scanAllowed = false;
                    $result['code'] = 10022;
                    $result['message'] = __('Scan is not possible, over the frequency count.');
                    //$result['too_recent_scan'] = $countScannedResults[0]['last_created'];
                
                } else {
                    // check saved coupons
                    $countSaved = $this->count_saved_deals_for_campaign($campaign, $createdCondition);
                    
                    if ($createdCondition != array()) {
                        $countScanned = $this->count_scans_for_campaign($campaign, $createdCondition);
                    }

                    if ($countSaved == 0 AND $countScanned >= 1) {
                        $isSaved = false;
                        $result['campaign_id'] = $campaign['Campaign']['id'];
                    }
                }

            }

            // -
            // 2. scans are not allowed if we are over the campaign redemption limit
            // -
            // conditions in which scans are denied
            if ($scanAllowed && !empty($campaign['Campaign']['redemptions_limit'])) {
                $valid = $this->Scan->Campaign->Redemption->checkRedemptionLimit($campaign['Campaign']['id']);
                if (!$valid) { 
                    // deal closed
                    $result['closed'] = 1;
                    $scanAllowed = false;
                }
            }

            if (!$isSaved) {
                $scanAllowed = false;
                unset($isSaved);
            }

            if ($scanAllowed) {
                $saveData = array(
                    'private_token' => $this->request->data['private_token'],
                    'lat' => $this->request->data['latitute'],
                    'lng' => $this->request->data['longitude'],
                    'campaign_id' => $campaign['Campaign']['id'],
                    'code' => $this->request->data['qr_code']
                );
                $this->Scan->create();
                if (!$this->Scan->save($saveData)) {
                    throw new Exception('Validation error', 10001);
                }
                $result['campaign_id'] = $campaign['Campaign']['id'];
            } 

        } catch (Exception $exception) {
            $result['code'] = $exception->getCode();
            $result['message'] = $exception->getMessage();
            switch ($result['code']) {
                case 10001:
                    $result['validationErrors'] = $this->Scan->validationErrors;
                    break;
            }
        }

        $this->set(array(
            'result' => $result,
            '_serialize' => array('result')
        ));
    }