Moved saluation utlity to ORM (ChurchCRM#2115)

fixes ChurchCRM#2052

src/ChurchCRM/model/ChurchCRM/Family.php

@@ -163,10 +163,48 @@ private function createTimeLineNote($new)
 
       $note->save();
     }
+
+    /**
+     * Figure out how to address a family for correspondence.
+     *
+     * Put the name if there is only one individual in the family.
+     * Put two first names and the last name when there are exactly two people in the family
+     * (e.g. "Nathaniel and Jeanette Brooks").
+     * Put two whole names where there are exactly two people with different names
+     * (e.g. "Doug Philbrook and Karen Andrews")
+     * When there are more than two people in the family I don't have any way to know
+     * which people are children, so I would have to just use the family name (e.g. "Grossman Family").
+     *
+     * @return string
+     */
+    public function getSaluation()
+    {
+        $childRoleId = SystemConfig::getValue("sDirRoleChild");
+        $people = $this->getPeople();
+        $notChildren = null;
+        foreach ($people as $person) {
+            if ($person->getFmrId() != $childRoleId) {
+                $notChildren[] = $person;
+            }
+        }
+
+        $notChildrenCount = count($notChildren);
+        if ($notChildrenCount === 1) {
+            return $notChildren[0]->getFullName();
+        }
+
+        if ($notChildrenCount === 2) {
+            if ($notChildren[0]->getLastName() == $notChildren[1]->getLastName()) {
+                return $notChildren[0]->getFirstName() .' & '. $notChildren[1]->getFirstName() .' '. $notChildren[0]->getLastName();
+            }
+            return $notChildren[0]->getFullName() .' & '. $notChildren[1]->getFullName();
+        }
+
+        return $this->getName() . ' Family';
+    }
 
     private function getPhoto()
     {
-
       $photo = new Photo("Family",  $this->getId());
       return $photo;
     }