Viewing File: /home/assersoft/public_html/doctor-assistant/app/Controllers/TreatmentsController.php

<?php

namespace App\Controllers;

use App\Models\PatientsModel;
use CodeIgniter\HTTP\ResponseInterface;
use CodeIgniter\RESTful\ResourceController;

class TreatmentsController extends ResourceController
{

    protected $modelName = "App\Models\TreatmentsModel";
    protected $format = "json";

    /**
     * Return an array of resource objects, themselves in array format.
     *
     * @return ResponseInterface
     */
    public function index()
    {
        $rules = [
            'clinic_id' => 'required|numeric',
            'patient_id' => 'required|numeric',
        ];

        if(!$this->validate($rules)){
            return $this->fail($this->validator->getErrors());
        }

        $clinic_id = $this->request->getVar('clinic_id');
        $patient_id = $this->request->getVar('patient_id');

        $patientModel = new PatientsModel();
        $patient = $patientModel->find($patient_id);
        if($patient == null){
            return $this->failNotFound("Patient not found");
        }

        $treatments = $this->model->where('clinic_id', $clinic_id)->where('patient_id', $patient_id)->findAll();

        return $this->respond($treatments);
    }

    /**
     * Return the properties of a resource object.
     *
     * @param int|string|null $id
     *
     * @return ResponseInterface
     */
    public function show($id = null)
    {
        $rules = [
            'clinic_id' => 'required|numeric',
            'patient_id' => 'required|numeric',
        ];

        if(!$this->validate($rules)){
            return $this->fail($this->validator->getErrors());
        }

        $clinic_id = $this->request->getVar('clinic_id');

        $treatment = $this->model->where('clinic_id', $clinic_id)->find($id);
        if($treatment == null){
            return $this->failNotFound("Treatment not found");
        }

        return $this->respond($treatment);
    }

    /**
     * Create a new resource object, from "posted" parameters.
     *
     * @return ResponseInterface
     */
    public function create()
    {
        $rules = [
            'clinic_id' => 'required|numeric',
            'patient_id' => 'required|numeric',
            'treatment_start_date' => 'required|valid_date[Y-m-d]',
            'treatment_end_date' => 'required|valid_date[Y-m-d]',
            'treatment_name' => 'required|string',
            'treatment_cost' => 'required|numeric',
            'paid_amount' => 'permit_empty|numeric',
        ];

        if(!$this->validate($rules)){
            return $this->fail($this->validator->getErrors());
        }

        $data = $this->request->getVar();
        $data->treatment_status = 'in-progress';
        $data->paid_amount = $data->paid_amount ?? 0;
        $data->due_amount = $data->treatment_cost - $data->paid_amount;

        $treatment = $this->model->insert($data);
        if(!$treatment){
            return $this->fail("Failed to create treatment");
        }

        return $this->respondCreated(['treatment_id' => $this->model->getInsertID()]);
    }

    /**
     * Add or update a model resource, from "posted" properties.
     *
     * @param int|string|null $id
     *
     * @return ResponseInterface
     */
    public function update($id = null)
    {
        $rules = [
            'treatment_start_date' => 'permit_empty|valid_date',
            'treatment_end_date' => 'permit_empty|valid_date',
            'treatment_name' => 'permit_empty|string',
            'treatment_cost' => 'permit_empty|numeric',
            'paid_amount' => 'permit_empty|numeric',
        ];

        if(!$this->validate($rules)){
            return $this->fail($this->validator->getErrors());
        }

        $data = $this->request->getVar();
        if(property_exists($data, 'treatment_cost') && property_exists($data, 'paid_amount')){
            $data->due_amount = $data->treatment_cost - $data->paid_amount;
        }
        
        $treatment = $this->model->update($id, $data);
        if(!$treatment){
            return $this->fail("Failed to update treatment");
        }

        return $this->respondUpdated(['treatment_id' => $id]);
    }

    /**
     * Delete the designated resource object from the model.
     *
     * @param int|string|null $id
     *
     * @return ResponseInterface
     */
    public function delete($id = null)
    {
        $rules = [
            'clinic_id' => 'required|numeric',
            'patient_id' => 'required|numeric'
        ];

        if(!$this->validate($rules)){
            return $this->fail($this->validator->getErrors());
        }

        $clinic_id = $this->request->getVar('clinic_id');
        $patient_id = $this->request->getVar('patient_id');

        $treatment = $this->model->where('clinic_id', $clinic_id)->where('patient_id', $patient_id)->find($id);
        if($treatment == null){
            return $this->failNotFound("Treatment not found");
        }

        $deleted = $this->model->delete($id);
        if(!$deleted){
            return $this->fail("Failed to delete treatment");
        }

        return $this->respondDeleted(['treatment_id' => $id]);
    }
}