From 3dbb2b06be7b7da1a484fef93f3daed48eae5423 Mon Sep 17 00:00:00 2001
From: Marcin Kurczewski <mkurczew@gmail.com>
Date: Sat, 25 Oct 2014 18:26:22 +0200
Subject: [PATCH] Fixed relations being wiped out when saving

The code worked like this:

1. Delete old relations
2. Get related entities
3. Save old relations

If the entity hasn't retrieved relations until now, autoloader tried to
get related entities /after/ they were deleted.
---
 src/Dao/PostDao.php |  5 ++---
 src/Dao/TagDao.php  | 10 +++++-----
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/Dao/PostDao.php b/src/Dao/PostDao.php
index e24e7ee2..8d780a45 100644
--- a/src/Dao/PostDao.php
+++ b/src/Dao/PostDao.php
@@ -257,9 +257,6 @@ class PostDao extends AbstractDao implements ICrudDao
 
 	private function syncPostRelations(Post $post)
 	{
-		$this->pdo->deleteFrom('postRelations')->where('post1id', $post->getId())->execute();
-		$this->pdo->deleteFrom('postRelations')->where('post2id', $post->getId())->execute();
-
 		$relatedPostIds = array_filter(array_unique(array_map(
 			function ($post)
 			{
@@ -269,6 +266,8 @@ class PostDao extends AbstractDao implements ICrudDao
 			},
 			$post->getRelatedPosts())));
 
+		$this->pdo->deleteFrom('postRelations')->where('post1id', $post->getId())->execute();
+		$this->pdo->deleteFrom('postRelations')->where('post2id', $post->getId())->execute();
 		foreach ($relatedPostIds as $postId)
 		{
 			$this->pdo
diff --git a/src/Dao/TagDao.php b/src/Dao/TagDao.php
index 2796cc58..17f9d4d8 100644
--- a/src/Dao/TagDao.php
+++ b/src/Dao/TagDao.php
@@ -188,11 +188,6 @@ class TagDao extends AbstractDao implements ICrudDao
 
 	private function syncRelatedTagsByType(Tag $tag, array $relatedTags, $type)
 	{
-		$this->pdo->deleteFrom('tagRelations')
-			->where('tag1id', $tag->getId())
-			->where('type', $type)
-			->execute();
-
 		$relatedTagIds = array_filter(array_unique(array_map(
 			function ($tag)
 			{
@@ -202,6 +197,11 @@ class TagDao extends AbstractDao implements ICrudDao
 			},
 			$relatedTags)));
 
+		$this->pdo->deleteFrom('tagRelations')
+			->where('tag1id', $tag->getId())
+			->where('type', $type)
+			->execute();
+
 		foreach ($relatedTagIds as $tagId)
 		{
 			$this->pdo