Initial

.craftplugin

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+{"pluginName":"Beam","pluginDescription":"Generate CSVs and XLS files in your templates","pluginVersion":"2.0.0","pluginAuthorName":"Superbig","pluginVendorName":"superbig","pluginAuthorUrl":"https://superbig.co","pluginAuthorGithub":"sjelfull","codeComments":"","pluginComponents":["controllers","models","services","variables"],"consolecommandName":"","controllerName":"","cpsectionName":"","elementName":"","fieldName":"","modelName":"","purchasableName":"","recordName":"","serviceName":"","taskName":"","utilityName":"","widgetName":"","apiVersion":"api_version_3_0"}

.gitignore

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+# CRAFT ENVIRONMENT
+.env.php
+.env.sh
+.env
+
+# COMPOSER
+/vendor
+
+# BUILD FILES
+/bower_components/*
+/node_modules/*
+/build/*
+/yarn-error.log
+
+# MISC FILES
+.cache
+.DS_Store
+.idea
+.project
+.settings
+*.esproj
+*.sublime-workspace
+*.sublime-project
+*.tmproj
+*.tmproject
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+config.codekit3
+prepros-6.config

CHANGELOG.md

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+# Beam Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
+
+## 2.0.0 - 2017-11-01
+### Added
+- Initial release

LICENSE.md

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+The MIT License (MIT)
+
+Copyright (c) 2017 Superbig
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Beam plugin for Craft CMS 3.x
+
+Generate CSVs and XLS files in your templates
+
+![Screenshot](resources/img/plugin-logo.png)
+
+## Requirements
+
+This plugin requires Craft CMS 3.0.0-beta.23 or later.
+
+## Installation
+
+To install the plugin, follow these instructions.
+
+1. Open your terminal and go to your Craft project:
+
+        cd /path/to/project
+
+2. Then tell Composer to load the plugin:
+
+        composer require superbig/craft3-beam
+
+3. In the Control Panel, go to Settings → Plugins and click the “Install” button for Beam.
+
+## Using Beam
+
+To generate an CSV:
+
+```twig
+{% spaceless %}
+{% set options = {
+    header: ['Email', 'Name'],
+    rows: [
+        [ '[email protected]', 'John Doe' ],
+        [ '[email protected]', 'Jane Doe' ],
+        [ '[email protected]', 'Trond Johansen' ],
+    ]
+} %}
+{{ craft.beam.csv(options) }}
+{% endspaceless %}
+```
+
+To generate an XLSX:
+
+```twig
+{% spaceless %}
+{% set options = {
+    header: ['Email', 'Name'],
+    rows: [
+        [ '[email protected]', 'John Doe' ],
+        [ '[email protected]', 'Jane Doe' ],
+        [ '[email protected]', 'Trond Johansen' ],
+    ]
+} %}
+{{ craft.beam.xlsx(options) }}
+{% endspaceless %}
+```
+
+Brought to you by [Superbig](https://superbig.co)

composer.json

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+{
+    "name": "superbig/craft3-beam",
+    "description": "Generate CSVs and XLS files in your templates",
+    "type": "craft-plugin",
+    "version": "2.0.0",
+    "keywords": [
+        "craft",
+        "cms",
+        "craftcms",
+        "craft-plugin",
+        "beam"
+    ],
+    "support": {
+        "docs": "https://github.com/sjelfull/craft3-beam/blob/master/README.md",
+        "issues": "https://github.com/sjelfull/craft3-beam/issues"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Superbig",
+            "homepage": "https://superbig.co"
+        }
+    ],
+    "require": {
+        "craftcms/cms": "~3.0.0-beta.23",
+        "league/csv": "^8.2",
+		"mk-j/php_xlsxwriter": "^0.32.0"
+    },
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "https://asset-packagist.org"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+          "superbig\\beam\\": "src/"
+        }
+    },
+    "extra": {
+        "name": "Beam",
+        "handle": "beam",
+        "schemaVersion": "2.0.0",
+        "hasCpSettings": false,
+        "hasCpSection": false,
+        "changelogUrl": "https://raw.githubusercontent.com/sjelfull/craft3-beam/master/CHANGELOG.md",
+        "components": {
+            "beamService": "superbig\\beam\\services\\BeamService"
+        },
+        "class": "superbig\\beam\\Beam"
+    }
+}

src/Beam.php

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+<?php
+/**
+ * Beam plugin for Craft CMS 3.x
+ *
+ * Generate CSVs and XLS files in your templates
+ *
+ * @link      https://superbig.co
+ * @copyright Copyright (c) 2017 Superbig
+ */
+
+namespace superbig\beam;
+
+use superbig\beam\services\BeamService as BeamServiceService;
+use superbig\beam\variables\BeamVariable;
+
+use Craft;
+use craft\base\Plugin;
+use craft\services\Plugins;
+use craft\events\PluginEvent;
+use craft\web\UrlManager;
+use craft\web\twig\variables\CraftVariable;
+use craft\events\RegisterUrlRulesEvent;
+
+use yii\base\Event;
+
+/**
+ * Class Beam
+ *
+ * @author    Superbig
+ * @package   Beam
+ * @since     2.0.0
+ *
+ * @property  BeamServiceService $beamService
+ */
+class Beam extends Plugin
+{
+    // Static Properties
+    // =========================================================================
+
+    /**
+     * @var Beam
+     */
+    public static $plugin;
+
+    // Public Methods
+    // =========================================================================
+
+    /**
+     * @inheritdoc
+     */
+    public function init()
+    {
+        parent::init();
+        self::$plugin = $this;
+
+        Event::on(
+            CraftVariable::class,
+            CraftVariable::EVENT_INIT,
+            function (Event $event) {
+                /** @var CraftVariable $variable */
+                $variable = $event->sender;
+                $variable->set('beam', BeamVariable::class);
+            }
+        );
+
+        Event::on(
+            Plugins::class,
+            Plugins::EVENT_AFTER_INSTALL_PLUGIN,
+            function (PluginEvent $event) {
+                if ($event->plugin === $this) {
+                }
+            }
+        );
+
+        Craft::info(
+            Craft::t(
+                'beam',
+                '{name} plugin loaded',
+                ['name' => $this->name]
+            ),
+            __METHOD__
+        );
+    }
+
+    // Protected Methods
+    // =========================================================================
+
+}

src/services/BeamService.php

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+<?php
+/**
+ * Beam plugin for Craft CMS 3.x
+ *
+ * Generate CSVs and XLS files in your templates
+ *
+ * @link      https://superbig.co
+ * @copyright Copyright (c) 2017 Superbig
+ */
+
+namespace superbig\beam\services;
+
+use craft\helpers\FileHelper;
+use craft\helpers\Path;
+use superbig\beam\Beam;
+
+use Craft;
+use craft\base\Component;
+use League\Csv\Writer;
+use League\Csv\Reader;
+use XLSXWriter;
+use yii\web\Response;
+
+/**
+ * @author    Superbig
+ * @package   Beam
+ * @since     2.0.0
+ */
+class BeamService extends Component
+{
+    // Public Methods
+    // =========================================================================
+
+    /**
+     * @param array $options
+     *
+     * @return null
+     */
+    public function csv ($options = [])
+    {
+        if ( empty($options['headers']) && empty($options['rows']) ) {
+            return null;
+        }
+        // Load the CSV document from a string
+        $csv      = Writer::createFromString('');
+        $filename = !empty($options['filename']) ? $options['filename'] : 'output.csv';
+        if ( !empty($options['header']) ) {
+            // Insert the headers
+            $csv->insertOne($options['header']);
+        }
+        // Insert all the rows
+        $csv->insertAll($options['rows']);
+
+        $csv->output($filename);
+    }
+
+    /**
+     * @param array $options
+     *
+     * @return null
+     */
+    public function xlsx ($options = [])
+    {
+        $tempPath = Craft::$app->path->getTempPath() . DIRECTORY_SEPARATOR . 'beam' . DIRECTORY_SEPARATOR;
+
+        if ( empty($options['headers']) && empty($options['rows']) ) {
+            return null;
+        }
+
+        if ( !file_exists($tempPath) && !is_dir($tempPath) ) {
+            FileHelper::createDirectory($tempPath);
+        }
+
+        // Load the CSV document from a string
+        $writer    = new XLSXWriter();
+        $filename  = !empty($options['filename']) ? $options['filename'] : 'output.xlsx';
+        $sheetName = isset($options['sheetName']) ? $options['sheetName'] : 'Sheet';
+
+        if ( !empty($options['header']) ) {
+            $headers = [];
+            foreach ($options['header'] as $header) {
+                $headers[ $header ] = 'string';
+            }
+            // Insert the headers
+            $writer->writeSheetHeader($sheetName, $headers);
+        }
+
+        $filename = filter_var($filename, FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW);
+
+        foreach ($options['rows'] as $row) {
+            $writer->writeSheetRow($sheetName, $row);
+        }
+
+        $writer->writeToFile($tempPath . $filename);
+
+        //$mimeType = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
+
+        Craft::$app->response->sendFile($tempPath . $filename, $filename);
+    }
+}