OEModule\OphCiExamination\models\Element_OphCiExamination_Diagnoses::getLetter_string PHP Method

    public function getLetter_string()
    {
        $text = '';
        $findings = array();
        $finding_ids = array();
        if ($et_findings = Element_OphCiExamination_FurtherFindings::model()->find('event_id=?', array($this->event_id))) {
            foreach (OphCiExamination_FurtherFindings_Assignment::model()->findAll('element_id=?', array($et_findings->id)) as $finding) {
                $finding_ids[] = $finding->finding_id;
                $findings[] = $finding;
            }
        }
        $disorders = array();
        $disorder_ids = array('Left' => array(), 'Right' => array(), 'Both' => array());
        $is_principal = array();
        foreach (OphCiExamination_Diagnosis::model()->findAll('element_diagnoses_id=?', array($this->id)) as $diagnosis) {
            $disorder_ids[$diagnosis->eye->name][] = $diagnosis->disorder_id;
            $disorders[] = $diagnosis;
            $is_principal[$diagnosis->disorder_id] = $diagnosis->principal;
        }
        $secto_strings = array();
        $used_disorder_ids = array();
        $used_finding_ids = array();
        if (isset(\Yii::app()->session['selected_firm_id']) && \Yii::app()->session['selected_firm_id'] !== null) {
            $firm = \Firm::model()->findByPk(\Yii::app()->session['selected_firm_id']);
            $subspecialty = $firm->serviceSubspecialtyAssignment->subspecialty;
            foreach ($disorders as $disorder) {
                foreach (\SecondaryToCommonOphthalmicDisorder::model()->with('parent')->findAll('t.disorder_id=? and parent.subspecialty_id=?', array($disorder->disorder_id, $subspecialty->id)) as $secto_disorder) {
                    if ($secto_disorder->letter_macro_text) {
                        if ($secto_disorder->parent->disorder_id) {
                            if (in_array($secto_disorder->parent->disorder_id, $disorder_ids[$disorder->eye->name]) || in_array($secto_disorder->parent->disorder_id, $disorder_ids['Both'])) {
                                $secto_strings[] = ($is_principal[$disorder->disorder_id] || $is_principal[$secto_disorder->parent->disorder_id] ? '' : 'Secondary diagnosis: ') . $disorder->eye->name . ' ' . $secto_disorder->letter_macro_text;
                                $used_disorder_ids[] = $disorder->disorder_id;
                                $used_disorder_ids[] = $secto_disorder->parent->disorder_id;
                            }
                        } elseif ($secto_disorder->parent->finding_id) {
                            if (in_array($secto_disorder->parent->finding_id, $finding_ids)) {
                                $secto_strings[] = ($is_principal[$disorder->disorder_id] ? '' : 'Secondary diagnosis: ') . $disorder->eye->name . ' ' . $secto_disorder->letter_macro_text;
                                $used_disorder_ids[] = $disorder->disorder_id;
                                $used_finding_ids[] = $secto_disorder->parent->finding_id;
                            }
                        }
                    }
                }
            }
            foreach ($findings as $finding) {
                foreach (\SecondaryToCommonOphthalmicDisorder::model()->with('parent')->findAll('t.finding_id=? and parent.subspecialty_id=?', array($finding->finding_id, $subspecialty->id)) as $secto_disorder) {
                    if ($secto_disorder->letter_macro_text) {
                        if ($secto_disorder->parent->disorder_id) {
                            if ($eye = $this->getEyeForDisorder($secto_disorder->parent->disorder_id, $disorder_ids)) {
                                $secto_strings[] = ($is_principal[$secto_disorder->parent->disorder_id] ? '' : 'Secondary diagnosis: ') . $eye . ' ' . $secto_disorder->letter_macro_text;
                                $used_disorder_ids[] = $secto_disorder->parent->disorder_id;
                                $used_finding_ids[] = $finding->finding_id;
                            }
                        }
                    }
                }
            }
        }
        $criteria = new \CDbCriteria();
        $criteria->addCondition('element_diagnoses_id=:ed');
        $criteria->params[':ed'] = $this->id;
        $criteria->addCondition('principal=1');
        if (!empty($used_disorder_ids)) {
            $criteria->addNotInCondition('disorder_id', $used_disorder_ids);
        }
        if ($principal = OphCiExamination_Diagnosis::model()->find($criteria)) {
            $text .= 'Principal diagnosis: ' . $principal->eye->adjective . ' ' . $principal->disorder->term . "\n";
        }
        if (!empty($secto_strings)) {
            $text .= implode("\n", $secto_strings) . "\n";
        }
        $criteria = new \CDbCriteria();
        $criteria->addCondition('element_diagnoses_id=:ed');
        $criteria->params[':ed'] = $this->id;
        $criteria->addCondition('principal=0');
        if (!empty($used_disorder_ids)) {
            $criteria->addNotInCondition('disorder_id', $used_disorder_ids);
        }
        foreach (OphCiExamination_Diagnosis::model()->findAll($criteria) as $diagnosis) {
            if ($diagnosis->disorder) {
                $text .= 'Secondary diagnosis: ' . $diagnosis->eye->adjective . ' ' . $diagnosis->disorder->term . "\n";
            }
        }
        if ($ff = Element_OphCiExamination_FurtherFindings::model()->find('event_id=?', array($this->event_id))) {
            if ($string = $ff->getFurtherFindingsAssignedString($used_finding_ids)) {
                $text .= "Further Findings: {$string}\n";
            }
        }
        return $text;
    }