Add simple pagination

src/Modest.php

@@ -87,6 +87,18 @@ public static function find($id)
         return QueryBuilder::find($id, new static);
     }
 
+    /**
+     * Paginated results
+     *
+     * @param  integer $limit
+     *
+     * @return QueryBuilder
+     */
+    public static function paginate($limit = null)
+    {
+        return (new QueryBuilder(new static))->paginate($limit);
+    }
+
     /**
      * @return mixed
      */

src/Pagination.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace Wordpriest\Modest;
+
+use Illuminate\Support\Collection;
+
+class Pagination implements \ArrayAccess, \JsonSerializable
+{
+    public $items;
+
+    public function __construct($items)
+    {
+        $this->items = $items;
+    }
+
+    public function paginate($args = [])
+    {
+        return paginate_links($args);
+    }
+
+    public function toArray()
+    {
+        return $this->items;
+    }
+
+    public function jsonSerialize()
+    {
+        return $this->toArray();
+    }
+
+    /**
+     * Determines whether a offset exists
+     *
+     * @param mixed $offset
+     *
+     * @return bool
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->items[$offset]);
+    }
+
+    /**
+     * Sets offset to retrieve
+     *
+     * @param mixed $offset
+     *
+     * @return mixed|null|Modest
+     */
+    public function offsetGet($offset)
+    {
+        return $this->items[$offset];
+    }
+
+    /**
+     * Offset to set
+     *
+     * @param mixed $offset
+     * @param mixed $value
+     *
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->items[$offset] = $value;
+    }
+
+    /**
+     * Offset to unset
+     *
+     * @param mixed $offset
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->items[$offset]);
+    }
+}

src/QueryBuilder.php

@@ -64,10 +64,7 @@ public static function find($id, $model = null)
     {
         $instance = new static($model);
 
-        $instance->arguments = [];
-        $instance->setArgument('id', $id);
-
-        return $instance->first();
+        return $instance->buildItem(get_post($id));
     }
 
     /**
@@ -86,6 +83,27 @@ public function get()
         return $posts;
     }
 
+    /**
+     * Paginates results
+     *
+     * @param  integere $limit
+     *
+     * @return Paginator
+     */
+    public function paginate($limit = null)
+    {
+        $posts = [];
+
+        $this->setArgument('posts_per_page', $limit);
+        $this->setArgument('paged', get_query_var('paged') ?: 1);
+
+        foreach ((array) get_posts($this->getArguments()) as $post) {
+            $posts[] = $this->buildItem($post);
+        }
+
+        return new Pagination($posts);
+    }
+
     protected function buildItem($post)
     {
         if ($this->model) {

src/helpers.php

@@ -16,9 +16,10 @@ function snake_to_camel($string) {
 
 if (! function_exists('content_to_excerpt')) {
     function content_to_excerpt($string, $length) {
-        $string = mb_substr(strip_tags($string), 0, $length);
+        $originalString = strip_tags($string);
+        $string = mb_substr($originalString, 0, $length);
 
-        if (strlen($string) > $length) {
+        if (strlen($originalString) > $length) {
             return "{$string}...";
         }