From 53bb53191b4e689266ec839bd02a7a3cc009153f Mon Sep 17 00:00:00 2001
From: Jordan Doyle <jordan@doyle.wf>
Date: Tue, 11 Oct 2016 23:52:53 +0100
Subject: [PATCH] ACF formatted fields

---
 src/Exceptions/UnsatisfiedDependencyException.php | 15 +++++++++++++++
 src/Models/Meta.php                               | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 71 insertions(+), 4 deletions(-)
 create mode 100644 src/Exceptions/UnsatisfiedDependencyException.php

diff --git a/src/Exceptions/UnsatisfiedDependencyException.php b/src/Exceptions/UnsatisfiedDependencyException.php
new file mode 100644
index 0000000..fa4b67c
--- /dev/null
+++ b/src/Exceptions/UnsatisfiedDependencyException.php
@@ -0,0 +1,15 @@
+<?php
+namespace Koselig\Exceptions;
+
+use RuntimeException;
+
+/**
+ * This exception is thrown when a method depends on a dependency that
+ * has not been met.
+ *
+ * @author Jordan Doyle <jordan@doyle.wf>
+ */
+class UnsatisfiedDependencyException extends RuntimeException
+{
+    //
+}
diff --git a/src/Models/Meta.php b/src/Models/Meta.php
index 03c6973..e11de6b 100644
--- a/src/Models/Meta.php
+++ b/src/Models/Meta.php
@@ -3,6 +3,8 @@ namespace Koselig\Models;
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Koselig\Exceptions\UnsatisfiedDependencyException;
+use Koselig\Support\Action;
 use Koselig\Support\Wordpress;
 
 /**
@@ -44,24 +46,74 @@ class Meta extends Model
             $page = Wordpress::id();
         }
 
-        if (!isset(self::$cache[$page])) {
+        if (!isset(static::$cache[$page])) {
             // get all the meta values for a post, it's more than likely we're going to
             // need this again query, so we'll just grab all the results and cache them.
-            self::$cache[$page] = self::where('post_id', $page)->get();
+            static::$cache[$page] = static::where('post_id', $page)->get();
         }
 
         if ($name === null) {
-            return self::$cache[$page]->mapWithKeys(function ($item) {
+            return static::$cache[$page]->mapWithKeys(function ($item) {
                 return [$item->meta_key => $item->meta_value];
             })->all();
         }
 
-        $value = self::$cache[$page]->where('meta_key', $name)->first();
+        $value = static::$cache[$page]->where('meta_key', $name)->first();
 
         return empty($value) ? null : $value->meta_value;
     }
 
     /**
+     * Grab an ACF field from the database.
+     *
+     * @see Meta::get()
+     * @param int|string|null $page page to get meta for (or name of the meta item to get
+     *                              if you want to get the current page's meta)
+     * @param string|null $name
+     * @param bool $format whether to format this field or not
+     * @return mixed
+     * @throws UnsatisfiedDependencyException
+     */
+    public static function field($page = null, $name = null, $format = true)
+    {
+        if (!ctype_digit((string) $page) && $name === null) {
+            $name = $page;
+            $page = null;
+        }
+
+        if ($page === null) {
+            $page = Wordpress::id();
+        }
+
+        if (!function_exists('acf_format_value')) {
+            throw new UnsatisfiedDependencyException('Advanced Custom Fields must be installed to use field');
+        }
+
+        $value = static::get($page, $name);
+
+        if (is_serialized($value))
+            $value = @unserialize($value);
+
+        $field = static::get($page, '_' . $name);
+
+        if (!acf_is_field_key($field)) {
+            return null;
+        }
+
+        $field = get_field_object($field, $name, false, false);
+        $value = Action::filter('acf/load_value', $value, $page, $field);
+        $value = Action::filter('acf/load_value/type=' . $field['type'], $value, $page, $field);
+        $value = Action::filter('acf/load_value/name=' . $field['_name'], $value, $page, $field);
+        $value = Action::filter('acf/load_value/key=' . $field['key'], $value, $page, $field);
+
+        if ($format) {
+            $value = acf_format_value($value, $page, $field);
+        }
+
+        return $value;
+    }
+
+    /**
      * Get the post that this meta value belongs to.
      *
      * @return BelongsTo
--
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