<?php
namespace Depicter\Services;
class DocumentFontsService
{
/**
* @var array[]
*/
private $fonts = [];
/**
* Get font families
*
* @param int $documentId The document ID to get belonging faces
* @param string $type Repository type of the font. `google`, `typescript`, ..
*
* @return int[]|string[]
*/
public function getFamilies( $documentId, $type = 'google' ) {
return array_keys( $this->getFontsInfo( $documentId, $type ) );
}
/**
* Get collected fonts list
*
* @param int $documentId The document ID to get belonging faces
* @param string $type Repository type of the font. `google`, `typescript`, ..
*
* @return int[]|string[]
*/
public function getFontsInfo( $documentId, $type = 'google' ) {
return ! empty( $this->fonts[ $documentId ][ $type ] ) ? $this->fonts[ $documentId ][ $type ] : [];
}
/**
* Get font faces
*
* @param int $documentId The document ID to get belonging faces
* @param string $type Repository type of the font. `google`, `typescript`, ..
*
* @return array
*/
public function getFontsLinkQuery( $documentId, $type = 'google' ) {
if( empty( $this->fonts[ $documentId ][ $type ] ) ){
return [];
}
$fontFaces = [];
foreach ( $this->fonts[ $documentId ][ $type ] as $fontFamily => $fontInfo ) {
$weights = [];
foreach ( $fontInfo['weights'] as $weight ) {
$weight = 'regular' == strtolower($weight) ? '400' : $weight;
// lets convert 300italic to 1,300
if (strpos($weight, 'italic')) {
$weightNumber = str_replace('italic', '', $weight);
$italicNumber = '1'; // 0 means normal and 1 is italic
} else {
$weightNumber = $weight;
$italicNumber = '0'; // 0 means normal and 1 is italic
}
$weights[$weightNumber] = $italicNumber;
}
// Sort weight number ascending
ksort( $weights );
// Make weight query string for current font
$weightQuery = '';
foreach ( $weights as $weightNumber => $italicNumber ){
$weightQuery .= "{$italicNumber},{$weightNumber};";
}
$weightQuery = rtrim($weightQuery, ';');
// Collect font name and weights in a query string
$fontFaces[] = $fontInfo['face'] . ':ital,wght@' . $weightQuery;
}
return $fontFaces;
}
/**
* Add a font to fonts list
*
* @param int $documentId The document ID that the font belongs to
* @param string $fontName Font family name
* @param string|array $fontWeight Font weight
* @param string $type Repository type of the font. `google`, `typescript`, ..
*/
public function addFont( $documentId, $fontName, $fontWeight, $type = 'google' ) {
if ( empty( $fontName ) ) {
return;
}
$fontName = trim( $fontName );
$fontWeight = (array) $fontWeight;
$this->initFontForDocument( $documentId );
if ( isset( $this->fonts[ $documentId ][ $type ][ $fontName ] ) ) {
foreach ( $fontWeight as $key => $weight ) {
if ( !in_array( $weight, $this->fonts[ $documentId ][ $type ][ $fontName ]['weights'] ) ) {
$this->fonts[ $documentId ][ $type ][ $fontName ]['weights'][] = $weight;
}
}
} else {
$this->fonts[ $documentId ][ $type ][ $fontName ] = [
'face' => str_replace( ' ', '+', $fontName ),
'weights' => $fontWeight
];
}
}
protected function initFontForDocument( $documentId ){
if( ! isset( $this->fonts[ $documentId ] ) ){
$this->fonts[ $documentId ] = [
'google' => []
];
}
}
/**
* Add list of fonts to fonts list
*
* @param int $documentId The document ID that fonts belong to
* @param array $fontList
* @param string $type
*/
public function addFonts( $documentId, $fontList, $type = 'google' ) {
if ( empty( $fontList ) ) {
return;
}
foreach ( $fontList as $fontName => $fontWeight ){
$this->addFont( $documentId, $fontName, $fontWeight, $type );
}
}
/**
* Get fonts load link
*
* @param int $documentId The document ID to get belonging faces
* @param string $type Repository type of the font. `google`, `typescript`, ..
*
* @return bool|string
*/
public function getFontsLink( $documentId, $type = 'google' ) {
if ( $fontsQuery = $this->getFontsLinkQuery( $documentId, $type = 'google' ) ) {
$fontsQuery = implode( "&family=", $fontsQuery );
return '//fonts.googleapis.com/css2?family=' . $fontsQuery . '&display=swap';
}
return '';
}
}