Plugin custom fields parser

bl-plugins/custom-fields-parser/languages/en.json

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+{
+	"plugin-data":
+	{
+		"name": "Custom fields parser",
+		"description": "Define code for the custom fields and parse the content of the pages."
+	}
+}

bl-plugins/custom-fields-parser/metadata.json

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+{
+	"author": "Bludit",
+	"email": "",
+	"website": "https://plugins.bludit.com",
+	"version": "3.10.0",
+	"releaseDate": "2019-09-25",
+	"license": "MIT",
+	"compatible": "3.10.0",
+	"notes": ""
+}

bl-plugins/custom-fields-parser/plugin.php

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+<?php
+
+class pluginCustomFieldsParser extends Plugin {
+
+	public function init()
+	{
+		$this->dbFields = array(
+			'label'=>'Custom fields parser',
+			'jsondb'=>json_encode(array())
+		);
+	}
+
+	public function form()
+	{
+		global $L;
+		global $site;
+
+		$html  = '<div class="alert alert-primary" role="alert">';
+		$html .= $this->description();
+		$html .= '</div>';
+
+		$jsondb = $this->getValue('jsondb', false);
+		$database = json_decode($jsondb, true);
+
+		$customFields = $site->customFields();
+
+		foreach ($customFields as $field=>$options) {
+			if ($options['type']=="string") {
+				$html .= '<div>';
+				$html .= '<label>'.$options['label'].'</label>';
+				$html .= '<textarea name="'.$field.'">'.(isset($database[$field])?$database[$field]:'').'</textarea>';
+				$html .= '</div>';
+			}
+		}
+
+		return $html;
+	}
+
+	public function post()
+	{
+		$this->db['jsondb'] = Sanitize::html(json_encode($_POST));
+		return $this->save();
+	}
+
+	public function parse($page)
+	{
+		$jsondb = $this->getValue('jsondb', false);
+		$database = json_decode($jsondb, true);
+		$parsedCode = array();
+
+		foreach ($database as $field=>$code) {
+			$value = $page->custom($field);
+			$parsedCode['{{ '.$field.' }}'] = str_replace('{{ value }}', $value, $code);
+		}
+
+		$content = $page->contentRaw();
+		return str_replace(array_keys($parsedCode), array_values($parsedCode), $content);
+	}
+
+	public function beforeSiteLoad()
+	{
+		if ($GLOBALS['WHERE_AM_I']=='page') {
+			$GLOBALS['page']->setField('content', $this->parse($GLOBALS['page']));
+		} else {
+			foreach ($GLOBALS['content'] as $key=>$page)  {
+				$GLOBALS['content'][$key]->setField('content', $this->parse($GLOBALS['content'][$key]));
+			}
+			$GLOBALS['page'] = $GLOBALS['content'][0];
+		}
+	}
+}