Added tag name changing

TODO

@@ -26,7 +26,6 @@ everything related to tags:
     - basic tags
         - merging
         - tag editing
-            - name
             - category (from config.ini)
             - description
         - related tags

data/config.ini

@@ -57,6 +57,7 @@ changePostFlags         = regularUser, powerUser, moderator, administrator
 
 listTags                = anonymous, regularUser, powerUser, moderator, administrator
 massTag                 = powerUser, moderator, administrator
+changeTagName           = moderator, administrator
 
 listComments            = anonymous, regularUser, powerUser, moderator, administrator
 addComments             = regularUser, powerUser, moderator, administrator

public_html/css/tags.css

@@ -17,3 +17,9 @@
 #tag-view h3 {
 	margin-bottom: 0.5em;
 }
+
+#tag-view form {
+	text-align: left;
+	max-width: 20em;
+	margin: 0 auto;
+}

public_html/js/Auth.js

@@ -43,6 +43,7 @@ App.Auth = function(_, jQuery, util, api, appState, promise) {
 
 		listTags: 'listTags',
 		massTag: 'massTag',
+		changeTagName: 'changeTagName',
 
 		viewHistory: 'viewHistory',
 	};

public_html/js/Presenters/TagPresenter.js

@@ -6,19 +6,28 @@ App.Presenters.TagPresenter = function(
 	jQuery,
 	util,
 	promise,
+	auth,
 	api,
+	router,
 	keyboard,
-	topNavigationPresenter) {
+	topNavigationPresenter,
+	messagePresenter) {
 
 	var $el = jQuery('#content');
+	var $messages = $el;
 	var templates = {};
 
+	var tag;
 	var tagName;
 
+	var privileges = {};
+
 	function init(params, loaded) {
 		topNavigationPresenter.select('tags');
 		topNavigationPresenter.changeTitle('Tags');
 
+		privileges.canChangeName = auth.hasPrivilege(auth.privileges.changeTagName);
+
 		promise.wait(
 				util.promiseTemplate('tag'),
 				util.promiseTemplate('post-list-item'))
@@ -33,22 +42,50 @@ App.Presenters.TagPresenter = function(
 	function reinit(params, loaded) {
 		tagName = params.tagName;
 
-		render();
-		loaded();
+		messagePresenter.hideMessages($messages);
 
-		promise.wait(api.get('posts', {query: tagName}))
-			.then(function(response) {
-				var posts = response.json.data;
+		promise.wait(
+				api.get('tags/' + tagName),
+				api.get('posts', {query: tagName}))
+			.then(function(tagResponse, postsResponse) {
+				tag = tagResponse.json;
+				var posts = postsResponse.json.data;
 				posts = posts.slice(0, 8);
+
+				render();
+				loaded();
+
 				renderPosts(posts);
-			}).fail(function(response) {
-				console.log(new Error(response));
+			}).fail(function(tagResponse, postsResponse) {
+				messagePresenter.showError($messages, tagResponse.json.error || postsResponse.json.error);
+				loaded();
 			});
 	}
 
 	function render() {
-		$el.html(templates.tag({tagName: tagName}));
+		$el.html(templates.tag({privileges: privileges, tag: tag, tagName: tagName}));
 		$el.find('.post-list').hide();
+		$el.find('form').submit(editFormSubmitted);
+	}
+
+	function editFormSubmitted(e) {
+		e.preventDefault();
+		var $form = $el.find('form');
+		var formData = {};
+
+		if (privileges.canChangeName) {
+			formData.name = $form.find('[name=name]').val();
+		}
+
+		promise.wait(api.put('/tags/' + tag.name, formData))
+			.then(function(response) {
+				tag = response.json;
+				render();
+				router.navigate('#/tag/' + tag.name);
+			}).fail(function(response) {
+				console.log(response);
+				window.alert('An error occurred');
+			});
 	}
 
 	function renderPosts(posts) {
@@ -76,4 +113,4 @@ App.Presenters.TagPresenter = function(
 
 };
 
-App.DI.register('tagPresenter', ['_', 'jQuery', 'util', 'promise', 'api', 'keyboard', 'topNavigationPresenter'], App.Presenters.TagPresenter);
+App.DI.register('tagPresenter', ['_', 'jQuery', 'util', 'promise', 'auth', 'api', 'router', 'keyboard', 'topNavigationPresenter', 'messagePresenter'], App.Presenters.TagPresenter);

public_html/templates/tag.tpl

@@ -3,6 +3,26 @@
 		<h1><%= tagName %></h1>
 	</div>
 
+	<% if (_.any(privileges)) { %>
+		<form class="edit">
+			<% if (privileges.canChangeName) { %>
+				<div class="form-row">
+					<label class="form-label" for="tag-name">Name:</label>
+					<div class="form-input">
+						<input maxlength="200" type="text" name="name" id="tag-name" placeholder="New tag name" value="<%= tag.name %>"/>
+					</div>
+				</div>
+			<% } %>
+
+			<div class="form-row">
+				<label class="form-label"></label>
+				<div class="form-input">
+					<button type="submit">Update</button>
+				</div>
+			</div>
+		</form>
+	<% } %>
+
 	<div class="post-list">
 		<h3>Example usages</h3>
 

src/Controllers/TagController.php

@@ -1,6 +1,7 @@
 <?php
 namespace Szurubooru\Controllers;
 use Szurubooru\Controllers\ViewProxies\TagViewProxy;
+use Szurubooru\FormData\TagEditFormData;
 use Szurubooru\Helpers\InputReader;
 use Szurubooru\Privilege;
 use Szurubooru\Router;
@@ -33,6 +34,16 @@ final class TagController extends AbstractController
 	public function registerRoutes(Router $router)
 	{
 		$router->get('/api/tags', [$this, 'getTags']);
+		$router->get('/api/tags/:tagName', [$this, 'getTag']);
+		$router->put('/api/tags/:tagName', [$this, 'updateTag']);
+	}
+
+	public function getTag($tagName)
+	{
+		$this->privilegeService->assertPrivilege(Privilege::LIST_TAGS);
+
+		$tag = $this->tagService->getByName($tagName);
+		return $this->tagViewProxy->fromEntity($tag);
 	}
 
 	public function getTags()
@@ -49,4 +60,16 @@ final class TagController extends AbstractController
 			'pageSize' => $result->getPageSize(),
 			'totalRecords' => $result->getTotalRecords()];
 	}
+
+	public function updateTag($tagName)
+	{
+		$tag = $this->tagService->getByName($tagName);
+		$formData = new TagEditFormData($this->inputReader);
+
+		if ($formData->name !== null)
+			$this->privilegeService->assertPrivilege(Privilege::CHANGE_TAG_NAME);
+
+		$tag = $this->tagService->updateTag($tag, $formData);
+		return $this->tagViewProxy->fromEntity($tag);
+	}
 }

src/Dao/AbstractDao.php

@@ -242,12 +242,15 @@ abstract class AbstractDao implements ICrudDao, IBatchDao
 		$query->where($sql, ...$bindings);
 	}
 
-	protected function arrayToEntities(array $arrayEntities)
+	protected function arrayToEntities(array $arrayEntities, $entityConverter = null)
 	{
+		if ($entityConverter === null)
+			$entityConverter = $this->entityConverter;
+
 		$entities = [];
 		foreach ($arrayEntities as $arrayEntity)
 		{
-			$entity = $this->entityConverter->toEntity($arrayEntity);
+			$entity = $entityConverter->toEntity($arrayEntity);
 			$entities[$entity->getId()] = $entity;
 		}
 		return $entities;

src/Dao/PostDao.php

@@ -52,6 +52,17 @@ class PostDao extends AbstractDao implements ICrudDao
 		return $this->findOneBy('name', $name);
 	}
 
+	public function findByTagName($tagName)
+	{
+		$query = $this->fpdo->from('posts')
+			->disableSmartJoin()
+			->innerJoin('postTags ON postTags.postId = posts.id')
+			->innerJoin('tags ON postTags.tagId = tags.id')
+			->where('tags.name', $tagName);
+		$arrayEntities = iterator_to_array($query);
+		return $this->arrayToEntities($arrayEntities);
+	}
+
 	public function findByContentChecksum($checksum)
 	{
 		return $this->findOneBy('contentChecksum', $checksum);

src/Dao/TagDao.php

@@ -1,5 +1,6 @@
 <?php
 namespace Szurubooru\Dao;
+use Szurubooru\Dao\EntityConverters\PostEntityConverter;
 use Szurubooru\Dao\EntityConverters\TagEntityConverter;
 use Szurubooru\DatabaseConnection;
 
@@ -13,6 +14,11 @@ class TagDao extends AbstractDao implements ICrudDao
 			new TagEntityConverter());
 	}
 
+	public function findByName($tagName)
+	{
+		return $this->findOneBy('name', $tagName);
+	}
+
 	public function findByNames($tagNames)
 	{
 		return $this->findBy('name', $tagNames);

src/FormData/TagEditFormData.php

@@ -0,0 +1,24 @@
+<?php
+namespace Szurubooru\FormData;
+use Szurubooru\IValidatable;
+use Szurubooru\Validator;
+
+class TagEditFormData implements IValidatable
+{
+	public $name;
+
+	public function __construct($inputReader = null)
+	{
+		if ($inputReader !== null)
+		{
+			$this->name = $inputReader->name;
+		}
+	}
+
+	public function validate(Validator $validator)
+	{
+		if ($this->name !== null)
+			$validator->validatePostTags([$this->name]);
+	}
+}
+

src/Privilege.php

@@ -36,6 +36,7 @@ class Privilege
 
 	const LIST_TAGS = 'listTags';
 	const MASS_TAG = 'massTag';
+	const CHANGE_TAG_NAME = 'changeTagName';
 
 	const LIST_COMMENTS = 'listComments';
 	const ADD_COMMENTS = 'addComments';

src/Services/TagService.php

@@ -1,31 +1,55 @@
 <?php
 namespace Szurubooru\Services;
 use Szurubooru\Dao\PublicFileDao;
+use Szurubooru\Dao\PostDao;
 use Szurubooru\Dao\TagDao;
 use Szurubooru\Dao\TransactionManager;
 use Szurubooru\Entities\Tag;
+use Szurubooru\FormData\TagEditFormData;
 use Szurubooru\SearchServices\Filters\TagFilter;
 use Szurubooru\Services\TimeService;
+use Szurubooru\Validator;
 
 class TagService
 {
+	private $validator;
 	private $transactionManager;
+	private $postDao;
 	private $tagDao;
 	private $fileDao;
 	private $timeService;
+	private $historyService;
 
 	public function __construct(
+		Validator $validator,
 		TransactionManager $transactionManager,
+		PostDao $postDao,
 		TagDao $tagDao,
 		PublicFileDao $fileDao,
+		HistoryService $historyService,
 		TimeService $timeService)
 	{
+		$this->validator = $validator;
 		$this->transactionManager = $transactionManager;
+		$this->postDao = $postDao;
 		$this->tagDao = $tagDao;
 		$this->fileDao = $fileDao;
+		$this->historyService = $historyService;
 		$this->timeService = $timeService;
 	}
 
+	public function getByName($tagName)
+	{
+		$transactionFunc = function() use ($tagName)
+		{
+			$tag = $this->tagDao->findByName($tagName);
+			if (!$tag)
+				throw new \InvalidArgumentException('Tag with name "' . $tagName . '" was not found.');
+			return $tag;
+		};
+		return $this->transactionManager->rollback($transactionFunc);
+	}
+
 	public function getFiltered(TagFilter $filter)
 	{
 		$transactionFunc = function() use ($filter)
@@ -96,4 +120,34 @@ class TagService
 		};
 		return $this->transactionManager->commit($transactionFunc);
 	}
+
+	public function updateTag(Tag $tag, TagEditFormData $formData)
+	{
+		$transactionFunc = function() use ($tag, $formData)
+		{
+			$this->validator->validate($formData);
+
+			if ($formData->name !== null)
+				$this->updateTagName($tag, $formData->name);
+
+			return $this->tagDao->save($tag);
+		};
+		$ret = $this->transactionManager->commit($transactionFunc);
+
+		$transactionFunc = function() use ($tag)
+		{
+			$posts = $this->postDao->findByTagName($tag->getName());
+			foreach ($posts as $post)
+				$this->historyService->saveSnapshot($this->historyService->getPostChangeSnapshot($post));
+		};
+		$this->transactionManager->commit($transactionFunc);
+
+		$this->exportJson();
+		return $ret;
+	}
+
+	private function updateTagName(Tag $tag, $newName)
+	{
+		$tag->setName($newName);
+	}
 }