Merge pull request #13 from mhh1422/master

Create presenter paginator

src/Presenter/Paginator.php

@@ -0,0 +1,130 @@
+<?php
+
+namespace ItvisionSy\LaravelExtras\Presenter;
+
+use BadFunctionCallException;
+use Countable;
+use ArrayAccess;
+use ArrayIterator as BaseArrayIterator;
+use IteratorAggregate;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Pagination\Paginator as BasePaginator;
+use Illuminate\Support\Contracts\ArrayableInterface;
+use Illuminate\Support\Contracts\JsonableInterface;
+
+/**
+ * @property BasePaginator $paginator The original paginator class
+ */
+class Paginator implements ArrayableInterface, ArrayAccess, Countable, IteratorAggregate, JsonableInterface {
+
+    protected $query;
+    protected $paginator;
+    protected $presenter = true;
+
+    public static function make(Builder $query, $perPage = null, array $columns = null) {
+        return new static($query, $perPage, $columns);
+    }
+
+    public function __construct(Builder $query, $perPage = null, array $columns = null) {
+        $this->setQuery($query, false);
+        $this->init($perPage, $columns);
+    }
+
+    public function getPresenter() {
+        return !!$this->presenter;
+    }
+
+    public function setPresenter($presenter) {
+        $this->presenter = !!$presenter;
+        return $this;
+    }
+
+    public function getQuery() {
+        return $this->query;
+    }
+
+    /**
+     * 
+     * @return BasePaginator
+     */
+    public function getPaginator() {
+        if (!$this->paginator) {
+            throw new BadFunctionCallException();
+        }
+        return $this->paginator;
+    }
+
+    public function setQuery(Builder $query, $init = true) {
+        $this->query = $query;
+        if ($init) {
+            $this->init();
+        }
+        return $this;
+    }
+
+    public function init($perPage = null, array $columns = null) {
+        $this->paginator = $this->query->paginate($perPage, $columns);
+        return $this;
+    }
+
+    public function __call($name, $arguments) {
+        $result = call_user_func_array([$this->paginator, $name], $arguments);
+        return $result && is_object($result) && $result instanceof Model && $result instanceof PresenterAwareInterface && $this->presenter ? $result->presenter : $result;
+    }
+
+    public function __get($name) {
+        $result = $this->paginator->$name;
+        return $result && is_object($result) && $result instanceof Model && $result instanceof PresenterAwareInterface && $this->presenter ? $result->presenter : $result;
+    }
+
+    public function __set($name, $value) {
+        $this->paginator->$name = $value;
+    }
+
+    public function count() {
+        return $this->paginator->count();
+    }
+
+    public function getIterator() {
+        return $this->presenter ? new ArrayIterator($this->paginator->getItems()) : new BaseArrayIterator($this->paginator->getItems());
+    }
+
+    public function offsetExists($offset) {
+        return $this->paginator->offsetExists($key);
+    }
+
+    public function offsetGet($offset) {
+        return $this->__call('offsetGet', func_get_args());
+    }
+
+    public function offsetSet($offset, $value) {
+        return $this->__call('offsetSet', func_get_args());
+    }
+
+    public function offsetUnset($offset) {
+        return $this->__call('offsetUnset', func_get_args());
+    }
+
+    public function toArray() {
+        return array(
+            'total' => $this->paginator->total, 'per_page' => $this->paginator->perPage,
+            'current_page' => $this->paginator->currentPage, 'last_page' => $this->paginator->lastPage,
+            'from' => $this->paginator->from, 'to' => $this->paginator->to, 'data' => $this->getCollection()->toArray(),
+        );
+    }
+
+    /**
+     * Get a collection instance containing the items.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public function getCollection() {
+        return new Collection($this->paginator->getItems());
+    }
+
+    public function toJson($options = 0) {
+        return json_encode($this->toArray(), $options);
+    }
+
+}