commit d56e7c6620569527b4fdce049c166a085cacf259
Author: Oliver Davies <oliver@oliverdavies.uk>
Date:   Tue Jul 12 19:58:57 2016 +0100

    Initial commit

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..1513441
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,13 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.json]
+indent_style = space
+indent_size = 2
+
+[*.{php,xml}]
+indent_style = space
+indent_size = 4
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..48b8bf9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+vendor/
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..ceb6eee
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,18 @@
+{
+  "name": "opdavies/gmail-filter-builder",
+  "description": "",
+  "authors": [
+    {
+      "name": "Oliver Davies",
+      "email": "oliver@oliverdavies.uk"
+    }
+  ],
+  "autoload": {
+    "psr-4": {
+      "": "src/"
+    }
+  },
+  "require": {
+    "twig/twig": "^1.24"
+  }
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..96024c6
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,80 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
+    ],
+    "hash": "ee4a05d220006a064b4fda49803c239b",
+    "content-hash": "e796f90e007457e383570e7ae0e15248",
+    "packages": [
+        {
+            "name": "twig/twig",
+            "version": "v1.24.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/twigphp/Twig.git",
+                "reference": "3566d311a92aae4deec6e48682dc5a4528c4a512"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/3566d311a92aae4deec6e48682dc5a4528c4a512",
+                "reference": "3566d311a92aae4deec6e48682dc5a4528c4a512",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.2.7"
+            },
+            "require-dev": {
+                "symfony/debug": "~2.7",
+                "symfony/phpunit-bridge": "~2.7"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.24-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Twig_": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com",
+                    "homepage": "http://fabien.potencier.org",
+                    "role": "Lead Developer"
+                },
+                {
+                    "name": "Armin Ronacher",
+                    "email": "armin.ronacher@active-4.com",
+                    "role": "Project Founder"
+                },
+                {
+                    "name": "Twig Team",
+                    "homepage": "http://twig.sensiolabs.org/contributors",
+                    "role": "Contributors"
+                }
+            ],
+            "description": "Twig, the flexible, fast, and secure template language for PHP",
+            "homepage": "http://twig.sensiolabs.org",
+            "keywords": [
+                "templating"
+            ],
+            "time": "2016-05-30 09:11:59"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}
diff --git a/src/GmailFilter.php b/src/GmailFilter.php
new file mode 100644
index 0000000..5452854
--- /dev/null
+++ b/src/GmailFilter.php
@@ -0,0 +1,175 @@
+<?php
+
+class GmailFilter
+{
+    /**
+     * @param array
+     */
+    private $conditions = [];
+
+    /**
+     * @param array
+     */
+    private $labels = [];
+
+    private $archive = false;
+
+    private $spam = false;
+
+    private $trash = false;
+
+    /**
+     * @return boolean
+     */
+    public function isTrash() {
+        return $this->trash;
+    }
+
+    private $neverSpam = false;
+
+    /**
+     * @return mixed
+     */
+    public function getConditions() {
+        return $this->conditions;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getLabels() {
+        return $this->labels;
+    }
+
+    /**
+     * @return boolean
+     */
+    public function isArchive() {
+        return $this->archive;
+    }
+
+    /**
+     * @return boolean
+     */
+    public function isSpam() {
+        return $this->spam;
+    }
+
+    /**
+     * @return boolean
+     */
+    public function isNeverSpam() {
+        return $this->neverSpam;
+    }
+
+    public function __get($name) {
+        return $this->$name;
+    }
+
+    public static function create()
+    {
+        return new static();
+    }
+
+    public function contains($value) {
+        return $this->condition('hasTheWord', $value);
+    }
+
+    public function subject($value) {
+        return $this->condition('subject', $value);
+    }
+
+    /**
+     * Add a label.
+     *
+     * @param string $label
+     *   The label to assign.
+     *
+     * @return $this
+     */
+    public function label($label) {
+        $this->labels[] = $label;
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function archive() {
+        $this->archive = true;
+
+        return $this;
+    }
+
+    /**
+     * Mark as spam.
+     *
+     * @return $this
+     */
+    public function spam() {
+        $this->spam = true;
+        $this->neverSpam = false;
+
+        return $this;
+    }
+
+    /**
+     * Never mark as spam.
+     *
+     * @return $this
+     */
+    public function neverSpam() {
+        $this->neverSpam = true;
+        $this->spam = false;
+
+        return $this;
+    }
+
+    /**
+     * Who the email is from.
+     *
+     * @param array $values
+     *   An array of names or email addresses for the sender.
+     *
+     * @return $this
+     */
+    public function from(array $values)
+    {
+        $this->condition('from', implode('||', $values));
+
+        return $this;
+    }
+
+    /**
+     * Who the email is sent to.
+     *
+     * @param array $values
+     *   An array of names or email addresses for the receiver.
+     *
+     * @return $this
+     */
+    public function to(array $values)
+    {
+        $this->condition('to', implode('||', $values));
+
+        return $this;
+    }
+
+    /**
+     * Add a condition.
+     *
+     * @param string $type
+     *   The type of condition.
+     * @param $value
+     *   The value of the condition.
+     *
+     * @return $this
+     */
+    private function condition($type, $value)
+    {
+        $this->conditions[] = [$type, $value];
+
+        return $this;
+    }
+}
diff --git a/src/GmailFilterBuilder.php b/src/GmailFilterBuilder.php
new file mode 100644
index 0000000..610d0a8
--- /dev/null
+++ b/src/GmailFilterBuilder.php
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+<?php
+
+class GmailFilterBuilder
+{
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var string
+     */
+    private $email;
+
+    /**
+     * @var \Twig_Environment
+     */
+    private $twig;
+
+    /**
+     * An array of filters.
+     *
+     * @var GmailFilter[]
+     */
+    private $filters = [];
+
+    public function __construct($name, $email, $filters)
+    {
+        $this->name = $name;
+        $this->email = $email;
+
+        $this->twig = new Twig_Environment(
+            new Twig_Loader_Filesystem(__DIR__ . '/../templates')
+        );
+
+        $this->filters = $filters;
+
+        return $this->generate();
+    }
+
+    public function __toString()
+    {
+        return $this->generate();
+    }
+
+    /**
+     * Build Gmail filters.
+     *
+     * @param string $name
+     *   The author name.
+     * @param string $email
+     *   The author email address.
+     * @param GmailFilter[] $filters
+     *   An array of filters to process.
+     *
+     * @return $this
+     */
+    public static function build($name, $email, array $filters)
+    {
+        return new static($name, $email, $filters);
+    }
+
+  /**
+   * @return string
+   */
+    private function generate()
+    {
+        return $this->twig->render(
+            'filters.xml.twig',
+            [
+                'name' => $this->name,
+                'email' => $this->email,
+                'filters' => $this->filters,
+            ]
+        );
+    }
+}
diff --git a/templates/filters.xml.twig b/templates/filters.xml.twig
new file mode 100644
index 0000000..4c23226
--- /dev/null
+++ b/templates/filters.xml.twig
@@ -0,0 +1,25 @@
+<?xml version='1.0' encoding='UTF-8'?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:apps='http://schemas.google.com/apps/2006'>
+    <title>Mail Filters (Blackhole)</title>
+    <id>tag:mail.google.com,2008:filters:1297349082768</id>
+    <updated>2013-02-04T15:50:38Z</updated>
+    <author>
+        <name>{{ name }}</name>
+        <email>{{ email }}</email>
+    </author>
+
+    {% for filter in filters -%}
+        <entry>
+            <category term='filter'></category>
+            <title>Mail Filter</title>
+            <content></content>
+            <apps:property name='shouldArchive' value='{{ filter.isArchive ? 'true' : 'false' }}'/>
+            <apps:property name='shouldTrash' value='{{ filter.isTrash ? 'true' : 'false' }}'/>
+            {% for condition in filter.conditions -%}
+                <apps:property name='{{ condition[0] }}' value='{{ condition[1] }}'/>
+            {%- endfor %}
+            {%- for label in filter.labels %}
+                <apps:property name='label' value='{{ label }}'/>
+            {% endfor %}
+        </entry>
+    {% endfor %}
+</feed>