From d77c8a767bdd73f8859bac72c22d6855ca5b2081 Mon Sep 17 00:00:00 2001
From: Rasanga Perera <rasangaprh@gmail.com>
Date: Thu, 10 Sep 2015 23:00:54 +0530
Subject: [PATCH 1/7] Add tags entity relations

---
 src/AppBundle/Entity/Post.php |  47 +++++++++++++
 src/AppBundle/Entity/Tag.php  | 123 ++++++++++++++++++++++++++++++++++
 2 files changed, 170 insertions(+)
 create mode 100644 src/AppBundle/Entity/Tag.php

diff --git a/src/AppBundle/Entity/Post.php b/src/AppBundle/Entity/Post.php
index 4ed9ba71d..94d85a153 100644
--- a/src/AppBundle/Entity/Post.php
+++ b/src/AppBundle/Entity/Post.php
@@ -2,6 +2,7 @@
 
 namespace AppBundle\Entity;
 
+use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 use Doctrine\Common\Collections\ArrayCollection;
 use Symfony\Component\Validator\Constraints as Assert;
@@ -17,6 +18,7 @@
  *
  * @author Ryan Weaver <weaverryan@gmail.com>
  * @author Javier Eguiluz <javier.eguiluz@gmail.com>
+ * @author Rasanga Perera <rasangaperera@gmail.com>
  */
 class Post
 {
@@ -80,6 +82,17 @@ class Post
      */
     private $comments;
 
+    /**
+     * @var Collection|Tag[]
+     *
+     * @ManyToMany(
+     *      targetEntity="Tag",
+     *      inversedBy="posts"
+     * )
+     * @JoinTable(name="posts_tags")
+     */
+    private $tags;
+
     public function __construct()
     {
         $this->publishedAt = new \DateTime();
@@ -179,4 +192,38 @@ public function setSummary($summary)
     {
         $this->summary = $summary;
     }
+
+    /**
+     * Add tag
+     *
+     * @param Tag $tag
+     *
+     * @return Post
+     */
+    public function addTag(Tag $tag)
+    {
+        $this->tags[] = $tag;
+
+        return $this;
+    }
+
+    /**
+     * Remove tag
+     *
+     * @param Tag $tag
+     */
+    public function removeTag(Tag $tag)
+    {
+        $this->tags->removeElement($tag);
+    }
+
+    /**
+     * Get tags
+     *
+     * @return Tag[]|Collection
+     */
+    public function getTags()
+    {
+        return $this->tags;
+    }
 }
diff --git a/src/AppBundle/Entity/Tag.php b/src/AppBundle/Entity/Tag.php
new file mode 100644
index 000000000..347ed4b7f
--- /dev/null
+++ b/src/AppBundle/Entity/Tag.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace AppBundle\Entity;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Tag
+ *
+ * @ORM\Entity(repositoryClass="AppBundle\Repository\TagRepository")
+ *
+ * Defines the properties of the User entity to represent the application users.
+ * See http://symfony.com/doc/current/book/doctrine.html#creating-an-entity-class
+ *
+ * Tip: if you have an existing database, you can generate these entity class automatically.
+ * See http://symfony.com/doc/current/cookbook/doctrine/reverse_engineering.html
+ *
+ * @author Rasanga Perera <rasangaperera@gmail.com>
+ */
+class Tag
+{
+    /**
+     * @var integer
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    private $id;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="tag_name", type="string", length=255)
+     * @Assert\NotBlank()
+     */
+    private $name;
+
+    /**
+     * @var Collection|Post[]
+     *
+     * @ORM\ManyToMany(
+     *      targetEntity="Post",
+     *      mappedBy="tags"
+     * )
+     */
+    private $posts;
+
+    public function __construct()
+    {
+        $this->posts = new ArrayCollection();
+    }
+
+    /**
+     * Get id
+     *
+     * @return integer 
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Set name
+     *
+     * @param string $name
+     *
+     * @return Tag
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    /**
+     * Get name
+     *
+     * @return string 
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * Add post
+     *
+     * @param Post $post
+     *
+     * @return Tag
+     */
+    public function addPost(Post $post)
+    {
+        $this->posts[] = $post;
+
+        return $this;
+    }
+
+    /**
+     * Remove post
+     *
+     * @param Post $post
+     */
+    public function removePost(Post $post)
+    {
+        $this->posts->removeElement($post);
+    }
+
+    /**
+     * Get posts
+     *
+     * @return Post[]|Collection
+     */
+    public function getPosts()
+    {
+        return $this->posts;
+    }
+}

From c239d5615bb6a036d8b64b9435577bf89797eee0 Mon Sep 17 00:00:00 2001
From: Rasanga Perera <rasangaprh@gmail.com>
Date: Fri, 11 Sep 2015 12:29:14 +0530
Subject: [PATCH 2/7] add tags ORM fixtures

---
 app/data/blog.sqlite                          | Bin 59392 -> 66560 bytes
 .../DataFixtures/ORM/LoadFixtures.php         | 110 +++++++++++++++++-
 src/AppBundle/Entity/Post.php                 |   4 +-
 src/AppBundle/Entity/Tag.php                  |   1 +
 4 files changed, 112 insertions(+), 3 deletions(-)

diff --git a/app/data/blog.sqlite b/app/data/blog.sqlite
index 0141e70e34d0f9627b3234e93c2e0b4f3444987c..56dd2bba2e99040155a9b0bdd3f38ea7e286c043 100644
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AW&i*H

diff --git a/src/AppBundle/DataFixtures/ORM/LoadFixtures.php b/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
index 675b97d3f..186fb0f63 100644
--- a/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
+++ b/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
@@ -11,9 +11,11 @@
 
 namespace AppBundle\DataFixtures\ORM;
 
+use AppBundle\Entity\Tag;
 use AppBundle\Entity\User;
 use AppBundle\Entity\Post;
 use AppBundle\Entity\Comment;
+use Doctrine\Common\DataFixtures\AbstractFixture;
 use Doctrine\Common\DataFixtures\FixtureInterface;
 use Doctrine\Common\Persistence\ObjectManager;
 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
@@ -29,8 +31,9 @@
  *
  * @author Ryan Weaver <weaverryan@gmail.com>
  * @author Javier Eguiluz <javier.eguiluz@gmail.com>
+ * @author Rasanga Perera <rasangaperera@gmail.com>
  */
-class LoadFixtures implements FixtureInterface, ContainerAwareInterface
+class LoadFixtures extends AbstractFixture implements FixtureInterface, ContainerAwareInterface
 {
     /** @var ContainerInterface */
     private $container;
@@ -42,6 +45,8 @@ public function load(ObjectManager $manager)
     {
         $this->loadUsers($manager);
         $this->loadPosts($manager);
+        $this->loadTags($manager);
+        $this->loadPostsTags($manager);
     }
 
     private function loadUsers(ObjectManager $manager)
@@ -91,11 +96,114 @@ private function loadPosts(ObjectManager $manager)
             }
 
             $manager->persist($post);
+
+            $this->addReference('post-' . $i, $post);
+        }
+
+        $manager->flush();
+    }
+
+    private function loadTags(ObjectManager $manager)
+    {
+        $tagNames = array(
+            'Lorem',
+            'ipsum',
+            'consectetur',
+            'adipiscing',
+            'incididunt',
+            'labore',
+            'voluptate'
+        );
+
+        foreach ($tagNames as $key => $name) {
+            $tag = new Tag();
+            $tag->setName($name);
+
+            $manager->persist($tag);
+
+            $this->addReference('tag-' . ++$key, $tag);
         }
 
         $manager->flush();
     }
 
+    private function loadPostsTags(ObjectManager $manager)
+    {
+        /** @var Post $post1 */
+        $post1 = $this->getReference('post-1');
+        /** @var Post $post2 */
+        $post2 = $this->getReference('post-2');
+        /** @var Post $post3 */
+        $post3 = $this->getReference('post-3');
+        /** @var Post $post4 */
+        $post4 = $this->getReference('post-4');
+        /** @var Post $post5 */
+        $post5 = $this->getReference('post-5');
+        /** @var Post $post6 */
+        $post6 = $this->getReference('post-6');
+        /** @var Post $post7 */
+        $post7 = $this->getReference('post-7');
+        /** @var Post $post8 */
+        $post8 = $this->getReference('post-8');
+        /** @var Post $post9 */
+        $post9 = $this->getReference('post-9');
+        /** @var Post $post10 */
+        $post10 = $this->getReference('post-10');
+
+        /** @var Tag $tag1 */
+        $tag1 = $this->getReference('tag-1');
+        /** @var Tag $tag2 */
+        $tag2 = $this->getReference('tag-2');
+        /** @var Tag $tag3 */
+        $tag3 = $this->getReference('tag-3');
+        /** @var Tag $tag4 */
+        $tag4 = $this->getReference('tag-4');
+        /** @var Tag $tag5 */
+        $tag5 = $this->getReference('tag-5');
+        /** @var Tag $tag6 */
+        $tag6 = $this->getReference('tag-6');
+        /** @var Tag $tag7 */
+        $tag7 = $this->getReference('tag-7');
+
+        $post1->addTag($tag1);
+        $post1->addTag($tag3);
+        $manager->persist($post1);
+
+        $post2->addTag($tag2);
+        $manager->persist($post2);
+
+        $post3->addTag($tag3);
+        $post3->addTag($tag4);
+        $manager->persist($post3);
+
+        $post4->addTag($tag5);
+        $post4->addTag($tag6);
+        $post4->addTag($tag7);
+        $manager->persist($post4);
+
+        $post5->addTag($tag1);
+        $manager->persist($post5);
+
+        $post6->addTag($tag1);
+        $manager->persist($post6);
+
+        $post7->addTag($tag3);
+        $manager->persist($post7);
+
+        $post8->addTag($tag5);
+        $post8->addTag($tag7);
+        $manager->persist($post8);
+
+        $post9->addTag($tag1);
+        $manager->persist($post9);
+
+        $post10->addTag($tag4);
+        $post10->addTag($tag6);
+        $manager->persist($post10);
+
+        $manager->flush();
+    }
+
     /**
      * {@inheritdoc}
      */
diff --git a/src/AppBundle/Entity/Post.php b/src/AppBundle/Entity/Post.php
index 94d85a153..1d5663c7b 100644
--- a/src/AppBundle/Entity/Post.php
+++ b/src/AppBundle/Entity/Post.php
@@ -85,11 +85,11 @@ class Post
     /**
      * @var Collection|Tag[]
      *
-     * @ManyToMany(
+     * @ORM\ManyToMany(
      *      targetEntity="Tag",
      *      inversedBy="posts"
      * )
-     * @JoinTable(name="posts_tags")
+     * @ORM\JoinTable(name="posts_tags")
      */
     private $tags;
 
diff --git a/src/AppBundle/Entity/Tag.php b/src/AppBundle/Entity/Tag.php
index 347ed4b7f..df7299d68 100644
--- a/src/AppBundle/Entity/Tag.php
+++ b/src/AppBundle/Entity/Tag.php
@@ -5,6 +5,7 @@
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Validator\Constraints as Assert;
 
 /**
  * Tag

From 5dda2711a6353036adda295cb0fd7a3c432b3428 Mon Sep 17 00:00:00 2001
From: Rasanga Perera <rasangaprh@gmail.com>
Date: Fri, 11 Sep 2015 12:47:07 +0530
Subject: [PATCH 3/7] add tags on the post list and show views

---
 app/Resources/views/blog/index.html.twig      |   6 +++++-
 app/Resources/views/blog/post_show.html.twig  |   7 +++++++
 app/data/blog.sqlite                          | Bin 66560 -> 66560 bytes
 .../DataFixtures/ORM/LoadFixtures.php         |   2 +-
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/app/Resources/views/blog/index.html.twig b/app/Resources/views/blog/index.html.twig
index 547c40680..e8a290ae9 100644
--- a/app/Resources/views/blog/index.html.twig
+++ b/app/Resources/views/blog/index.html.twig
@@ -10,7 +10,11 @@
                     {{ post.title }}
                 </a>
             </h2>
-
+            <p>
+                {% for tag in post.tags %}
+                    <span class="label label-default">{{ tag.name }}</span>
+                {% endfor %}
+            </p>
             {{ post.summary|md2html }}
         </article>
     {% else %}
diff --git a/app/Resources/views/blog/post_show.html.twig b/app/Resources/views/blog/post_show.html.twig
index 2d7fdef84..f8bd4a105 100644
--- a/app/Resources/views/blog/post_show.html.twig
+++ b/app/Resources/views/blog/post_show.html.twig
@@ -5,6 +5,13 @@
 {% block main %}
     <h1>{{ post.title }}</h1>
 
+    <p>
+        {% if 0 < post.tags | length %}Tags: {% endif %}
+        {% for tag in post.tags %}
+            <span class="label label-default">{{ tag.name }}</span>
+        {% endfor %}
+    </p>
+
     {{ post.content|md2html }}
 
     <div id="post-add-comment" class="well">
diff --git a/app/data/blog.sqlite b/app/data/blog.sqlite
index 56dd2bba2e99040155a9b0bdd3f38ea7e286c043..4f5c099dd40d16502c0b2ea211f053cb7df805fe 100644
GIT binary patch
delta 4285
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diff --git a/src/AppBundle/DataFixtures/ORM/LoadFixtures.php b/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
index 186fb0f63..0f33fa2ec 100644
--- a/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
+++ b/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
@@ -174,9 +174,9 @@ private function loadPostsTags(ObjectManager $manager)
 
         $post3->addTag($tag3);
         $post3->addTag($tag4);
+        $post3->addTag($tag5);
         $manager->persist($post3);
 
-        $post4->addTag($tag5);
         $post4->addTag($tag6);
         $post4->addTag($tag7);
         $manager->persist($post4);

From 2c9197054953b636903f1937650167640fa2263d Mon Sep 17 00:00:00 2001
From: Rasanga Perera <rasangaprh@gmail.com>
Date: Fri, 11 Sep 2015 13:02:24 +0530
Subject: [PATCH 4/7] update test DB after adding tags

---
 app/data/blog_test.sqlite | Bin 59392 -> 61440 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/app/data/blog_test.sqlite b/app/data/blog_test.sqlite
index 0141e70e34d0f9627b3234e93c2e0b4f3444987c..e03dc5d6f0930680f716b33fbbd37b7baec60160 100644
GIT binary patch
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From d787fb6cf919ba7ba4c2d20e4483d1fed4b78ace Mon Sep 17 00:00:00 2001
From: Rasanga Perera <rasangaprh@gmail.com>
Date: Fri, 11 Sep 2015 21:42:37 +0530
Subject: [PATCH 5/7] remove bidirectional posts relation in Tag entity and add
 other code review fixes

---
 app/data/blog.sqlite          | Bin 66560 -> 66560 bytes
 app/data/blog_test.sqlite     | Bin 61440 -> 66560 bytes
 src/AppBundle/Entity/Post.php |  34 +++++++++++++++-----
 src/AppBundle/Entity/Tag.php  |  58 ++--------------------------------
 4 files changed, 28 insertions(+), 64 deletions(-)

diff --git a/app/data/blog.sqlite b/app/data/blog.sqlite
index 4f5c099dd40d16502c0b2ea211f053cb7df805fe..725363c901ef8f1c4bf29c0cfc22feb89f2add5f 100644
GIT binary patch
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diff --git a/app/data/blog_test.sqlite b/app/data/blog_test.sqlite
index e03dc5d6f0930680f716b33fbbd37b7baec60160..fcd4ff2ed05a25930aeaf06cf26d2e319a6d9b87 100644
GIT binary patch
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diff --git a/src/AppBundle/Entity/Post.php b/src/AppBundle/Entity/Post.php
index 1d5663c7b..d34058850 100644
--- a/src/AppBundle/Entity/Post.php
+++ b/src/AppBundle/Entity/Post.php
@@ -86,8 +86,7 @@ class Post
      * @var Collection|Tag[]
      *
      * @ORM\ManyToMany(
-     *      targetEntity="Tag",
-     *      inversedBy="posts"
+     *      targetEntity="Tag"
      * )
      * @ORM\JoinTable(name="posts_tags")
      */
@@ -97,6 +96,7 @@ public function __construct()
     {
         $this->publishedAt = new \DateTime();
         $this->comments = new ArrayCollection();
+        $this->tags = new ArrayCollection();
     }
 
     public function getId()
@@ -193,6 +193,16 @@ public function setSummary($summary)
         $this->summary = $summary;
     }
 
+    /**
+     * Get tags
+     *
+     * @return Tag[]|Collection
+     */
+    public function getTags()
+    {
+        return $this->tags;
+    }
+
     /**
      * Add tag
      *
@@ -202,7 +212,9 @@ public function setSummary($summary)
      */
     public function addTag(Tag $tag)
     {
-        $this->tags[] = $tag;
+        if (!$this->hasTag($tag)) {
+            $this->tags->add($tag);
+        }
 
         return $this;
     }
@@ -211,19 +223,25 @@ public function addTag(Tag $tag)
      * Remove tag
      *
      * @param Tag $tag
+     *
+     * @return Post
      */
     public function removeTag(Tag $tag)
     {
-        $this->tags->removeElement($tag);
+        if (!$this->hasTag($tag)) {
+            $this->tags->removeElement($tag);
+        }
+
+        return $this;
     }
 
     /**
-     * Get tags
+     * @param Tag $tag
      *
-     * @return Tag[]|Collection
+     * @return bool
      */
-    public function getTags()
+    public function hasTag(Tag $tag)
     {
-        return $this->tags;
+        return $this->tags->contains($tag);
     }
 }
diff --git a/src/AppBundle/Entity/Tag.php b/src/AppBundle/Entity/Tag.php
index df7299d68..634dca43d 100644
--- a/src/AppBundle/Entity/Tag.php
+++ b/src/AppBundle/Entity/Tag.php
@@ -2,8 +2,6 @@
 
 namespace AppBundle\Entity;
 
-use Doctrine\Common\Collections\ArrayCollection;
-use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Validator\Constraints as Assert;
 
@@ -12,12 +10,9 @@
  *
  * @ORM\Entity(repositoryClass="AppBundle\Repository\TagRepository")
  *
- * Defines the properties of the User entity to represent the application users.
+ * Defines the properties of the Tag entity to represent the blog post tag.
  * See http://symfony.com/doc/current/book/doctrine.html#creating-an-entity-class
  *
- * Tip: if you have an existing database, you can generate these entity class automatically.
- * See http://symfony.com/doc/current/cookbook/doctrine/reverse_engineering.html
- *
  * @author Rasanga Perera <rasangaperera@gmail.com>
  */
 class Tag
@@ -34,26 +29,11 @@ class Tag
     /**
      * @var string
      *
-     * @ORM\Column(name="tag_name", type="string", length=255)
+     * @ORM\Column(type="string", length=255)
      * @Assert\NotBlank()
      */
     private $name;
 
-    /**
-     * @var Collection|Post[]
-     *
-     * @ORM\ManyToMany(
-     *      targetEntity="Post",
-     *      mappedBy="tags"
-     * )
-     */
-    private $posts;
-
-    public function __construct()
-    {
-        $this->posts = new ArrayCollection();
-    }
-
     /**
      * Get id
      *
@@ -87,38 +67,4 @@ public function getName()
     {
         return $this->name;
     }
-
-    /**
-     * Add post
-     *
-     * @param Post $post
-     *
-     * @return Tag
-     */
-    public function addPost(Post $post)
-    {
-        $this->posts[] = $post;
-
-        return $this;
-    }
-
-    /**
-     * Remove post
-     *
-     * @param Post $post
-     */
-    public function removePost(Post $post)
-    {
-        $this->posts->removeElement($post);
-    }
-
-    /**
-     * Get posts
-     *
-     * @return Post[]|Collection
-     */
-    public function getPosts()
-    {
-        return $this->posts;
-    }
 }

From ec70fbd1ba0c662d01771dba41154e0604b0095d Mon Sep 17 00:00:00 2001
From: Rasanga Perera <rasangaprh@gmail.com>
Date: Fri, 11 Sep 2015 22:54:04 +0530
Subject: [PATCH 6/7] remove doctrine fixture referencing on the same class

---
 .../DataFixtures/ORM/LoadFixtures.php         | 147 ++++++++----------
 1 file changed, 69 insertions(+), 78 deletions(-)

diff --git a/src/AppBundle/DataFixtures/ORM/LoadFixtures.php b/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
index 0f33fa2ec..9e7da6389 100644
--- a/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
+++ b/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
@@ -44,9 +44,11 @@ class LoadFixtures extends AbstractFixture implements FixtureInterface, Containe
     public function load(ObjectManager $manager)
     {
         $this->loadUsers($manager);
-        $this->loadPosts($manager);
-        $this->loadTags($manager);
-        $this->loadPostsTags($manager);
+        $this->loadPostsTags(
+            $manager,
+            $this->loadPosts($manager),
+            $this->loadTags($manager)
+        );
     }
 
     private function loadUsers(ObjectManager $manager)
@@ -71,8 +73,15 @@ private function loadUsers(ObjectManager $manager)
         $manager->flush();
     }
 
+    /**
+     * @param ObjectManager $manager
+     *
+     * @return array
+     */
     private function loadPosts(ObjectManager $manager)
     {
+        $posts = array();
+
         foreach (range(1, 10) as $i) {
             $post = new Post();
 
@@ -97,14 +106,22 @@ private function loadPosts(ObjectManager $manager)
 
             $manager->persist($post);
 
-            $this->addReference('post-' . $i, $post);
+            $posts[] = $post;
         }
 
         $manager->flush();
+
+        return $posts;
     }
 
+    /**
+     * @param ObjectManager $manager
+     *
+     * @return array
+     */
     private function loadTags(ObjectManager $manager)
     {
+        $tags = array();
         $tagNames = array(
             'Lorem',
             'ipsum',
@@ -121,85 +138,59 @@ private function loadTags(ObjectManager $manager)
 
             $manager->persist($tag);
 
-            $this->addReference('tag-' . ++$key, $tag);
+            $tags[] = $tag;
         }
 
         $manager->flush();
+
+        return $tags;
     }
 
-    private function loadPostsTags(ObjectManager $manager)
-    {
-        /** @var Post $post1 */
-        $post1 = $this->getReference('post-1');
-        /** @var Post $post2 */
-        $post2 = $this->getReference('post-2');
-        /** @var Post $post3 */
-        $post3 = $this->getReference('post-3');
-        /** @var Post $post4 */
-        $post4 = $this->getReference('post-4');
-        /** @var Post $post5 */
-        $post5 = $this->getReference('post-5');
-        /** @var Post $post6 */
-        $post6 = $this->getReference('post-6');
-        /** @var Post $post7 */
-        $post7 = $this->getReference('post-7');
-        /** @var Post $post8 */
-        $post8 = $this->getReference('post-8');
-        /** @var Post $post9 */
-        $post9 = $this->getReference('post-9');
-        /** @var Post $post10 */
-        $post10 = $this->getReference('post-10');
-
-        /** @var Tag $tag1 */
-        $tag1 = $this->getReference('tag-1');
-        /** @var Tag $tag2 */
-        $tag2 = $this->getReference('tag-2');
-        /** @var Tag $tag3 */
-        $tag3 = $this->getReference('tag-3');
-        /** @var Tag $tag4 */
-        $tag4 = $this->getReference('tag-4');
-        /** @var Tag $tag5 */
-        $tag5 = $this->getReference('tag-5');
-        /** @var Tag $tag6 */
-        $tag6 = $this->getReference('tag-6');
-        /** @var Tag $tag7 */
-        $tag7 = $this->getReference('tag-7');
-
-        $post1->addTag($tag1);
-        $post1->addTag($tag3);
-        $manager->persist($post1);
-
-        $post2->addTag($tag2);
-        $manager->persist($post2);
-
-        $post3->addTag($tag3);
-        $post3->addTag($tag4);
-        $post3->addTag($tag5);
-        $manager->persist($post3);
-
-        $post4->addTag($tag6);
-        $post4->addTag($tag7);
-        $manager->persist($post4);
-
-        $post5->addTag($tag1);
-        $manager->persist($post5);
-
-        $post6->addTag($tag1);
-        $manager->persist($post6);
-
-        $post7->addTag($tag3);
-        $manager->persist($post7);
-
-        $post8->addTag($tag5);
-        $post8->addTag($tag7);
-        $manager->persist($post8);
-
-        $post9->addTag($tag1);
-        $manager->persist($post9);
-
-        $post10->addTag($tag4);
-        $post10->addTag($tag6);
-        $manager->persist($post10);
+    /**
+     * @param ObjectManager $manager
+     * @param array|Post[] $posts
+     * @param array|Tag[] $tags
+     */
+    private function loadPostsTags(
+        ObjectManager $manager,
+        array $posts,
+        array $tags
+    ) {
+        $posts[0]->addTag($tags[0]);
+        $posts[0]->addTag($tags[2]);
+        $manager->persist($posts[0]);
+
+        $posts[1]->addTag($tags[1]);
+        $manager->persist($posts[1]);
+
+        $posts[2]->addTag($tags[2]);
+        $posts[2]->addTag($tags[3]);
+        $posts[2]->addTag($tags[4]);
+        $manager->persist($posts[2]);
+
+        $posts[3]->addTag($tags[5]);
+        $posts[3]->addTag($tags[6]);
+        $manager->persist($posts[3]);
+
+        $posts[4]->addTag($tags[0]);
+        $manager->persist($posts[4]);
+
+        $posts[5]->addTag($tags[0]);
+        $manager->persist($posts[5]);
+
+        $posts[6]->addTag($tags[2]);
+        $manager->persist($posts[6]);
+
+        $posts[7]->addTag($tags[4]);
+        $posts[7]->addTag($tags[6]);
+        $manager->persist($posts[7]);
+
+        $posts[8]->addTag($tags[0]);
+        $manager->persist($posts[8]);
+
+        $posts[9]->addTag($tags[3]);
+        $posts[9]->addTag($tags[5]);
+        $manager->persist($posts[9]);
 
         $manager->flush();
     }

From 5047756525fbe3722786163a21b561deb90de738 Mon Sep 17 00:00:00 2001
From: Rasanga Perera <rasangaprh@gmail.com>
Date: Sat, 12 Sep 2015 13:46:48 +0530
Subject: [PATCH 7/7] add tags on the post list and show views (refactoring)

---
 app/Resources/views/blog/index.html.twig        | 13 ++++++++-----
 app/Resources/views/blog/post_show.html.twig    | 13 +++++++------
 src/AppBundle/DataFixtures/ORM/LoadFixtures.php |  2 +-
 3 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/app/Resources/views/blog/index.html.twig b/app/Resources/views/blog/index.html.twig
index e8a290ae9..76ad570f7 100644
--- a/app/Resources/views/blog/index.html.twig
+++ b/app/Resources/views/blog/index.html.twig
@@ -10,11 +10,14 @@
                     {{ post.title }}
                 </a>
             </h2>
-            <p>
-                {% for tag in post.tags %}
-                    <span class="label label-default">{{ tag.name }}</span>
-                {% endfor %}
-            </p>
+            {% if 0 < post.tags | length %}
+                <p>
+                    {% for tag in post.tags %}
+                        <span class="label label-default">{{ tag.name }}</span>
+                    {% endfor %}
+                </p>
+            {% endif %}
+
             {{ post.summary|md2html }}
         </article>
     {% else %}
diff --git a/app/Resources/views/blog/post_show.html.twig b/app/Resources/views/blog/post_show.html.twig
index f8bd4a105..a576de048 100644
--- a/app/Resources/views/blog/post_show.html.twig
+++ b/app/Resources/views/blog/post_show.html.twig
@@ -5,12 +5,13 @@
 {% block main %}
     <h1>{{ post.title }}</h1>
 
-    <p>
-        {% if 0 < post.tags | length %}Tags: {% endif %}
-        {% for tag in post.tags %}
-            <span class="label label-default">{{ tag.name }}</span>
-        {% endfor %}
-    </p>
+    {% if 0 < post.tags | length %}
+        <p> Tags:
+            {% for tag in post.tags %}
+                <span class="label label-default">{{ tag.name }}</span>
+            {% endfor %}
+        </p>
+    {% endif %}
 
     {{ post.content|md2html }}
 
diff --git a/src/AppBundle/DataFixtures/ORM/LoadFixtures.php b/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
index 9e7da6389..3dfb16d16 100644
--- a/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
+++ b/src/AppBundle/DataFixtures/ORM/LoadFixtures.php
@@ -33,7 +33,7 @@
  * @author Javier Eguiluz <javier.eguiluz@gmail.com>
  * @author Rasanga Perera <rasangaperera@gmail.com>
  */
-class LoadFixtures extends AbstractFixture implements FixtureInterface, ContainerAwareInterface
+class LoadFixtures implements FixtureInterface, ContainerAwareInterface
 {
     /** @var ContainerInterface */
     private $container;