initial commit

Author: chris-79

README.md

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+# TaxonomyFilter for Statamic (v2)
+
+Filter a collection based on entries' arrays of taxonomy IDs.
+
+## Installation
+
+1. Move the `statamic-TaxonomyFilter` folder to `site/addons/TaxonomyFilter` (removing the `statamic-` bit)
+2. `cd` into your site's directory.
+3. Run `php please addons:refresh`
+
+## Usage
+
+In your template, use the filter like this:
+
+```
+{{ collection:collection_slug filter="TaxonomyFilter" tf_group="{ taxonomy_group_slug }" tf_slug="{ taxonomy_item_slug }" }}
+```
+
+If `tf_slug` is not provided, it defaults to the value of `{{ last_segment }}`.

TaxonomyFilterFilter.php

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+<?php
+
+namespace Statamic\Addons\TaxonomyFilter;
+
+use Statamic\Extend\Filter;
+use Statamic\API\TaxonomyTerm;
+
+class TaxonomyFilterFilter extends Filter
+{
+  /**
+   * Filter a collection based on entries' arrays of taxonomy IDs
+   *
+   * @return \Illuminate\Support\Collection
+   */
+  public function filter()
+  {
+    return $this->collection->filter(function ($entry)
+    {
+
+      $tf_slug = $this->get('tf_slug',$this->context['last_segment']);
+      $taxonomy_object = TaxonomyTerm::getFromTaxonomy($this->get('tf_group'),$tf_slug);
+      $the_id = $taxonomy_object->get('id');
+
+      return in_array($the_id,$entry->get($this->get('tf_group')));
+
+    });
+  }
+}

meta.yaml

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+name: TaxonomyFilter
+version: 1.0
+description: Filter a collection based on entries' arrays of taxonomy IDs.
+url: https://github.com/chris-79/statamic-TaxonomyFilter
+developer: Chris S.
+developer_url: https://github.com/chris-79