<?php

class Nutrition {
        private $id = NULL;
        private $food = "";
        private $nutrition_time_hh = "";
        private $nutrition_time_mm = "";
        private $nutrition_time = "";
        private $kcal = 0;
        private $proteins = 0;
        private $carbohydrates = 0;
        private $fat = 0;
        
        function __construct($id = NULL) {
            if ($id) {
                $this->id = $id;
            }
            $this->load($this->id);
        }

        function load($id = NULL) {
            if (is_numeric($id)) {
                $this->id = $id;
            }
            $ret = false;
            if (is_numeric($this->id)) {
                $q = "SELECT * FROM " . DB_PREFIX . "user_nutritions WHERE id=".$this->id;
                $ret = query_row($q);
            }
            if ( $ret) {
                $this->id = $ret->id;
                $this->food = $ret->food;
            }
        }
        
        function getURL() {
            return WWW_ROOT."trainings/view/".$this->id;
	    }
        
        function getId() {
            return $this->id;
        }

        function create() {
            $this->setCreator(get_logged_in_user()->getId());
            $q = "INSERT INTO " . DB_PREFIX . "user_nutritions (creator, training, food, nutrition_time, kcal, proteins, carbohydrates, fat) values (".$this->getCreator().", ".$this->getTraining().", '".$this->getFood()."', '".$this->getNutritionTime()."', '".$this->getKCal()."', '".$this->getProteins()."', '". $this->getCarbohydrates() ."', '".$this->getFat()."')";
            $uid = query_insert($q);
            if ($uid) return $uid;
            return false;
        }

        function save() {
            $update = query_update("UPDATE " . DB_PREFIX . "user_nutritions SET food='".$this->getFood()."', nutrition_time='".$this->getNutritionTime()."', kcal='".$this->getKCal()."', proteins=".$this->getProteins().", carbohydrates='".$this->getCarbohydrates()."', fat=".$this->getFat()." WHERE id=".$this->getId());
            return $this->getId();
        }
    
        function build($data) {
            if ($this->isBuildValuesEmpty($data)) {
                return false;
            }
            $this->setFood($data["food"]);
            $this->setNutritionTimeHH($data["nutrition_time_hh"]);
            $this->setNutritionTimeMM($data["nutrition_time_mm"]);
            $this->setKCal($data["kcal"]);
            $this->setProteins($data["proteins"]);
            $this->setCarbohydrates($data["carbohydrates"]);
            $this->setFat($data["fat"]);
            if ($this->getId() > 0) {
                return $this->save();
            } else {
                return $this->create();
            }
        }

        function isBuildValuesEmpty($data) {
            if (empty($data["food"]) && (empty($data["nutrition_time_hh"]) || $data["nutrition_time_hh"] == "hh") && (empty($data["nutrition_time_mm"]) || $data["nutrition_time_mm"] == "mm") && empty($data["kcal"]) && empty($data["proteins"]) && empty($data["carbohydrates"]) && empty($data["fat"])) {
                return true;
            }
            return false;
        }

        function delete() {
            global $TeKe;
            if (is_numeric($this->getId()) && $this->getId() > 0) {
                if ($TeKe->is_logged_in() && ($TeKe->is_admin() || get_logged_in_user()->getId() == $this->getCreator())) {
                    return query("DELETE FROM " . DB_PREFIX . "user_nutritions WHERE id=".$this->getId());
                }
            }
            return false;
        }

        function getCreator() {
            return $this->creator;
        }

        function setCreator($creator) {
            $this->creator = $creator;
        }

        function getTraining() {
            return $this->training;
        }

        function setTraining($training) {
            $this->training = $training;
        }

        function getFood() {
            return $this->food;
        }

        function setFood($food) {
            $this->food = $food;
        }

        function getNutritionTimeHH() {
            return $this->nutrition_time_hh;
        }

        function setNutritionTimeHH($nutrition_time_hh) {
            $this->nutrition_time_hh = $nutrition_time_hh;
        }

        function getNutritionTimeMM() {
            return $this->nutrition_time_mm;
        }

        function setNutritionTimeMM($nutrition_time_mm) {
            $this->nutrition_time_mm = $nutrition_time_mm;
        }

        function getNutritionTime() {
            $nutrition_time = "{$this->getNutritionTimeHH()}:{$this->getNutritionTimeMM()}";
            return $nutrition_time;
        }
        
        function getKCal() {
            return $this->kcal;
        }

        function setKCal($kcal) {
            $this->kcal = $kcal;
        }

        function getProteins() {
            return $this->proteins;
        }

        function setProteins($proteins) {
            $this->proteins = $proteins;
        }

        function getCarbohydrates() {
            return $this->carbohydrates;
        }

        function setCarbohydrates($carbohydrates) {
            $this->carbohydrates = $carbohydrates;
        }
        
        function getFat() {
            return $this->fat;
        }

        function setFat($fat) {
            $this->fat = $fat;
        }
        
    }

?>