fixed #73 - implemented issue linke.

Author: lesstif

README.md

@@ -115,6 +115,11 @@ $iss = new IssueService(new ArrayConfiguration(
 - [Get Issue worklog](#get-issue-worklog)
 - [Add watcher in Issue](#add-issue-watcher)
 
+### IssueLink
+
+* [Create Issue Link](#create-issue-link)
+* [Get Issue LinkType](#get-issue-linktype)
+
 ### User
 - [Get User Info](#get-user-info)
 
@@ -845,7 +850,58 @@ try {
 } catch (JiraException $e) {
     $this->assertTrue(false, 'testSearch Failed : '.$e->getMessage());
 }
+```
+
+#### Create Issue Link
+
+The Link Issue Resource provides functionality to manage issue links.
+
+```php
+<?php
+require 'vendor/autoload.php';
+
+use JiraRestApi\IssueLink\IssueLink;
+use JiraRestApi\IssueLink\IssueLinkService;
+use JiraRestApi\JiraException;
+
+try {
+    $il = new IssueLink();
+
+    $il->setInwardIssue('TEST-258')
+        ->setOutwardIssue('TEST-249')
+        ->setLinkTypeName('Relates' )
+        ->setComment('Linked related issue via REST API.');
+            
+    $ils = new IssueLinkService();
+
+    $ret = $ils->addIssueLink($il);
+
+} catch (JiraException $e) {
+	print("Error Occured! " . $e->getMessage());
+}
+```
+
+#### Get Issue LinkType
+
+Rest resource to retrieve a list of issue link types.
+
+```php
+<?php
+require 'vendor/autoload.php';
 
+use JiraRestApi\IssueLink\IssueLink;
+use JiraRestApi\IssueLink\IssueLinkService;
+use JiraRestApi\JiraException;
+
+try {
+    $ils = new IssueLinkService();
+
+    $ret = $ils->getIssueLinkTypes();
+    
+    var_dump($ret);
+} catch (JiraException $e) {
+	print("Error Occured! " . $e->getMessage());
+}
 ```
 
 #### Get User Info

src/IssueLink/IssueLink.php

@@ -3,6 +3,7 @@
 namespace JiraRestApi\IssueLink;
 
 use JiraRestApi\ClassSerialize;
+use JiraRestApi\Issue\Comment;
 
 class IssueLink implements \JsonSerializable
 {
@@ -48,9 +49,18 @@ public function setOutwardIssue($issueKey)
         return $this;
     }
 
-    public function setComments($comment)
+    /**
+     * @param $comment string or \JiraRestApi\Issue\Comment instance
+     * @return $this
+     */
+    public function setComment($comment)
     {
-        $this->comment = $comment;
+        if (is_string($comment)) {
+            $this->comment = new Comment();
+            $this->comment->setBody($comment);
+        } else if($comment instanceof Comment ) {
+            $this->comment = $comment;
+        }
 
         return $this;
     }

src/IssueLink/IssueLinkService.php

@@ -20,14 +20,6 @@ public function addIssueLink($issueLink)
         $type = 'POST';
 
         $ret = $this->exec($url, $data, $type);
-
-        $this->log->addDebug('add issue link result='.var_export($ret, true));
-        //$comment = $this->json_mapper->map(
-        //    json_decode($ret), new Comment()
-        //);
-
-        return $this->http_response === 201 ? true : 'qqq';
-        //https://docs.atlassian.com/jira/REST/server/#api/2/issueLink-linkIssues
     }
 
     public function getIssueLinkTypes()
@@ -38,8 +30,10 @@ public function getIssueLinkTypes()
 
         $ret = $this->exec($url);
 
+        $data = json_encode(json_decode($ret)->issueLinkTypes);
+
         $linkTypes = $this->json_mapper->mapArray(
-            json_decode($ret), new \ArrayObject(), '\JiraRestApi\IssueLink\IssueLinkType'
+            json_decode($data, false), new \ArrayObject(), '\JiraRestApi\IssueLink\IssueLinkType'
         );
 
         return $linkTypes;

src/JiraClient.php

@@ -191,8 +191,11 @@ public function exec($context, $post_data = null, $custom_request = null)
             $body = curl_error($ch);
             curl_close($ch);
 
-            //The server successfully processed the request, but is not returning any content.
-            if ($this->http_response == 204) {
+            /*
+             * 201: The request has been fulfilled, resulting in the creation of a new resource.
+             * 204: The server successfully processed the request, but is not returning any content.
+             */
+            if ($this->http_response === 204 || $this->http_response === 201) {
                 return true;
             }