project structure refactoring

app/models/Utilities.php

@@ -0,0 +1,144 @@
+<?php
+/**
+*
+*/
+class Utilities
+{
+	static function cleanString($text) {
+		$utf8 = array(
+			'/[áàâãªä]/u'   =>   'a',
+			'/[ÁÀÂÃÄ]/u'    =>   'A',
+			'/[ÍÌÎÏ]/u'     =>   'I',
+			'/[íìîï]/u'     =>   'i',
+			'/[ěéèêë]/u'     =>   'e',
+			'/[ĚÉÈÊË]/u'     =>   'E',
+			'/[óòôõºö]/u'   =>   'o',
+			'/[ÓÒÔÕÖ]/u'    =>   'O',
+			'/[úùûü]/u'     =>   'u',
+			'/[ÚÙÛÜ]/u'     =>   'U',
+			'/Š/'     		=>   'S',
+			'/š/'     		=>   's',
+			'/Č/'     		=>   'C',
+			'/č/'     		=>   'c',
+			'/ř/'     		=>   'r',
+			'/Ř/'     		=>   'R',
+			'/Ý/'     		=>   'Y',
+			'/ý/'     		=>   'y',
+			'/ç/'           =>   'c',
+			'/Ç/'           =>   'C',
+			'/ñ/'           =>   'n',
+			'/Ñ/'           =>   'N',
+			'/–/'           =>   '-', // UTF-8 hyphen to "normal" hyphen
+			'/[’‘‹›‚]/u'    =>   ' ', // Literally a single quote
+			'/[“”«»„]/u'    =>   ' ', // Double quote
+			'/ /'           =>   ' ', // nonbreaking space (equiv. to 0x160)
+		);
+		return preg_replace(array_keys($utf8), array_values($utf8), $text);
+	}
+
+	static function stringInsert($str,$insertstr,$pos)
+	{
+		$str = substr($str, 0, $pos) . $insertstr . substr($str, $pos);
+		return $str;
+	}
+
+	/**
+	* [generateGraphJson description]
+	* @param  string $type    [line/bar]
+	* @param  array  $data    [description]
+	* @param  array  $options [description]
+	* @return [type]          [description]
+	*/
+
+	static function generateGraphJson(string $type = 'line', array $data = [], array $options = []){
+		$array = [
+			'type' => $type,
+			'data' => [
+				'datasets' => [
+					[
+						'data' => $data,
+						'borderColor' => "#d4def7",
+						'backgroundColor' => "#d4def7"
+					]
+				]
+			],
+			'options' => [
+				'scales' => [
+					'xAxes' => [
+						[
+							'type' => 'time',
+							'distribution' => 'linear',
+						]
+					],
+					'yAxes' => [
+						[
+							'ticks' => [
+								'min' => $options['min'],
+								'max' => $options['max'],
+								'steps' => $options['scale']
+							]
+						]
+					]
+				],
+				'legend' => [
+					'display' => false
+				],
+				'tooltips' => [
+					'enabled' => true
+				],
+				'hover' => [
+					'mode' => true
+				]
+			]
+		];
+		return json_encode($array, JSON_PRETTY_PRINT);
+	}
+
+	static function ago( $datetime )
+	{
+		$interval = date_create('now')->diff( $datetime );
+		$suffix = ( $interval->invert ? ' ago' : '' );
+		if ( $v = $interval->y >= 1 ) return self::pluralize( $interval->m, 'month' ) . $suffix;
+		if ( $v = $interval->d >= 1 ) return self::pluralize( $interval->d, 'day' ) . $suffix;
+		if ( $v = $interval->h >= 1 ) return self::pluralize( $interval->h, 'hour' ) . $suffix;
+		if ( $v = $interval->i >= 1 ) return self::pluralize( $interval->i, 'minute' ) . $suffix;
+		return self::pluralize( $interval->s, 'second' ) . $suffix;
+	}
+
+	static function pluralize( $count, $text )
+	{
+		return $count . ( ( $count == 1 ) ? ( " $text" ) : ( " ${text}s" ) );
+	}
+
+	static function checkOperator($value1, $operator, $value2) {
+		switch ($operator) {
+			case '<': // Less than
+			return $value1 < $value2;
+			case '<=': // Less than or equal to
+			return $value1 <= $value2;
+			case '>': // Greater than
+			return $value1 > $value2;
+			case '>=': // Greater than or equal to
+			return $value1 >= $value2;
+			case '==': // Equal
+			return ($value1 == $value2);
+			case '===': // Identical
+			return $value1 === $value2;
+			case '!==': // Not Identical
+			return $value1 !== $value2;
+			case '!=': // Not equal
+			case '<>': // Not equal
+			return $value1 != $value2;
+			case '||': // Or
+			case 'or': // Or
+			return $value1 || $value2;
+			case '&&': // And
+			case 'and': // And
+			return $value1 && $value2;
+			case 'xor': // Or
+			return $value1 xor $value2;
+			default:
+			return FALSE;
+		} // end switch
+	}
+}