Added PeepService

- Returns paginators for the fetch(User)?Timeline() methods, otherwise delegates
  to the composed PeepTable object

src/PhlyPeep/Model/PeepService.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace PhlyPeep\Model;
+
+class PeepService
+{
+    protected $pageSize = 20;
+    protected $table;
+
+    public function __construct(PeepTable $table)
+    {
+        $this->table = $table;
+    }
+
+    /**
+     * Set value for page size
+     *
+     * @param  int $pageSize
+     * @return PeepService
+     */
+    public function setPageSize($pageSize)
+    {
+        $this->pageSize = (int) $pageSize;
+        return $this;
+    }
+
+    /**
+     * Get value for page size
+     *
+     * @return int
+     */
+    public function getPageSize()
+    {
+        return $this->pageSize;
+    }
+
+    public function fetchTimeline($page = 1)
+    {
+        $paginator = $this->getTimelinePaginator($page);
+        return $paginator;
+    }
+
+    public function fetchUserTimeline($user, $page = 1)
+    {
+        $paginator = $this->getUserTimelinePaginator($user, $page);
+        return $paginator;
+    }
+
+    public function fetchPeep($identifier)
+    {
+        return $this->table->fetchPeep($identifier);
+    }
+
+    public function insertPeep(PeepEntity $peep)
+    {
+        $this->table->insertPeep($peep);
+    }
+
+    protected function getTimelinePaginator($page)
+    {
+        $paginator = new Paginator(new PeepPaginator($this->table, PeepPaginator::TYPE_ALL));
+        $paginator->setCurrentPageNumber($page);
+        return $paginator;
+    }
+
+    protected function getUserTimelinePaginator($user, $page)
+    {
+        $paginator = new Paginator(new PeepPaginator($this->table, PeepPaginator::TYPE_USER, $user));
+        $paginator->setCurrentPageNumber($page);
+        return $paginator;
+    }
+}