Add resetting choices

extension.json

 {
 	"name": "Deliberation",
-	"version": "0.2.0",
+	"version": "0.2.1",
 	"author": [
 		"Open Tech Strategies"
 	],
@@ -44,6 +44,7 @@
 		"DeliberationSummary": "includes/specials/DeliberationSummary.php",
     "DeliberationHooks": "includes/DeliberationHooks.php",
     "DeliberationWidgetTemplate": "includes/templates/DeliberationWidgetTemplate.php",
+    "DeliberationDelete": "includes/api/DeliberationDelete.php",
     "DeliberationWrite": "includes/api/DeliberationWrite.php"
 	},
 	"ResourceFileModulePaths": {
@@ -53,13 +54,11 @@
     "ParserFirstCallInit": "DeliberationHooks::onParserFirstCallInit",
 		"LoadExtensionSchemaUpdates": "DeliberationHooks::onLoadExtensionSchemaUpdates"
 	},
-  "DeliberationWrite": {
-    "deliberationwrite": "DeliberationWrite"
-  },
   "config": {
     "DeliberationChoices": false
   },
   "APIModules": {
+    "deliberationdelete": "DeliberationDelete",
     "deliberationwrite": "DeliberationWrite"
   },
 	"manifest_version": 1,

i18n/en.json

@@ -8,6 +8,7 @@
   "deliberation-desc": "Specialized Extension to choose pages for purposes of voting",
   "deliberation-choose": "Choose",
   "deliberation-reject": "Reject",
+  "deliberation-reset": "Reset",
   "deliberationsummary": "Deliberation Summary",
   "deliberationsummary-allpages": "All Pages"
 }

includes/Deliberation.php

@@ -15,6 +15,18 @@ class Deliberation {
     }
   }
 
+  public static function remove($user, $title) {
+    // No deliberation on special pages!!
+    if($title->getArticleID() != 0) {
+      $lb = \MediaWiki\MediaWikiServices::getInstance()->getDBLoadBalancer();
+      $dbw = $lb->getConnectionRef(DB_MASTER);
+      $dbw->delete("Deliberation", [
+        'page_id' => $title->getArticleID(),
+        'user_id' => $user->getId(),
+      ]);
+    }
+  }
+
   public static function limitHit($user, $value) {
     $limit = false;
     foreach(Self::getConfiguredChoices() as $choice) {

includes/api/DeliberationDelete.php

+<?php
+class DeliberationDelete extends APIBase {
+  public function __construct($main, $action) {
+    parent::__construct($main, $action);
+  }
+
+  public function execute() {
+    parent::checkUserRightsAny(["deliberation-write"]);
+    $user = $this->getUser();
+    $title = Title::newFromText($this->getParameter('title'));
+
+    Deliberation::remove($user, $title);
+  }
+
+  public function mustBePosted() {
+    return true;
+  }
+
+  public function getAllowedParams() {
+    return [
+      "title" => [
+        ApiBase::PARAM_TYPE => 'string',
+        ApiBase::PARAM_REQUIRED => 'true'
+      ]
+    ];
+  }
+}
+?>

includes/templates/DeliberationWidgetTemplate.php

@@ -27,6 +27,9 @@ class DeliberationWidgetTemplate extends QuickTemplate {
       }
 ?>
 </ul>
+<div class="deliberation-reset">
+<a href="#" class="reset-link"><?php echo wfMessage("deliberation-reset");?></span>
+</div>
 </div>
 <hr>
 <?php

resources/js/deliberation.js

 (function ($, mw) {
   $(function() {
+    var api = new mw.Api();
     $(".deliberation input").change(function(e) {
-      var api = new mw.Api();
       var elem = $(this);
       api.post({
         action: "deliberationwrite",
@@ -9,6 +9,14 @@
         title: mw.config.values.wgTitle
       });
     });
+    $(".deliberation a.reset-link").click(function(e) {
+      $(".deliberation input").prop("checked", false);
+      api.post({
+        action: "deliberationdelete",
+        title: mw.config.values.wgTitle
+      });
+      return false;
+    });
   });
 }(jQuery, mediaWiki));