From 0b76a037dda7ef8979b8175d043d65de550fdb76 Mon Sep 17 00:00:00 2001
From: Michele Angioni <michele.angioni@gmail.com>
Date: Sat, 28 Mar 2015 14:50:18 +0100
Subject: [PATCH] Added countWhereHas() query method

---
 README.md                                     |  1 +
 .../Repos/AbstractEloquentRepository.php      | 29 +++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/README.md b/README.md
index def94e6..98cb24d 100644
--- a/README.md
+++ b/README.md
@@ -136,6 +136,7 @@ The `AbstractEloquentRepository` empowers automatically our repositories of the
 - truncate()
 - count()
 - countBy(array $where = array())
+- countWhereHas($relation, array $where = array(), array $whereHas = array())
 
 The Repos module also supports xml repositories. Suppose we have a staff.xml file. We need to define a `StaffXMLRepositoryInterface`
 
diff --git a/src/MicheleAngioni/Support/Repos/AbstractEloquentRepository.php b/src/MicheleAngioni/Support/Repos/AbstractEloquentRepository.php
index ef9d52e..a9ec1b0 100644
--- a/src/MicheleAngioni/Support/Repos/AbstractEloquentRepository.php
+++ b/src/MicheleAngioni/Support/Repos/AbstractEloquentRepository.php
@@ -374,6 +374,35 @@ public function countBy(array $where = array())
         return $query->count();
     }
 
+    /**
+     * Count all results that have a required relationship with input constraints
+     *
+     * @param  string  $relation
+     * @param  array  $where
+     * @param  array  $whereHas
+     *
+     * @return int
+     */
+    public function countWhereHas($relation, array $where = array(), array $whereHas = array())
+    {
+        $query = $this->make();
+
+        foreach($where as $key => $value)
+        {
+            $query = $query->where($key, '=', $value);
+        }
+
+        $query = $query->whereHas($relation, function($q) use($whereHas)
+        {
+            foreach($whereHas as $key => $value)
+            {
+                $q = $q->where($key, '=', $value);
+            }
+        });
+
+        return $query->count();
+    }
+
 
     // <--- INTERNALLY USED METHODS --->