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Add rollbacks in error cases

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This commit is contained in:
J. King 2017-04-09 18:15:00 -04:00
parent a67fe30408
commit 557d17ef5d
2 changed files with 62 additions and 55 deletions
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115
lib/Database.php
View file

@ -359,7 +359,7 @@ class Database {
// if no parent is specified, do nothing
$parent = null;
} else {
// if a parent is specified, make sure it exists and belongs to the user; get its root (first-level) folder if it's a nested folder
// if a parent is specified, make sure it exists and belongs to the user
$p = $this->db->prepare(
"WITH RECURSIVE folders(id) as (SELECT id from arsse_folders where owner is ? and id is ? union select arsse_folders.id from arsse_folders join folders on arsse_folders.parent=folders.id) ".
"SELECT id,(id not in (select id from folders)) as valid from arsse_folders where owner is ? and id is ?",
@ -372,7 +372,7 @@ class Database {
}
}
$data['parent'] = $parent;
// check to make sure the target folder name/location would not create a duplicate (we must di this check because null is not distinct in SQL)
// check to make sure the target folder name/location would not create a duplicate (we must do this check because null is not distinct in SQL)
$existing = $this->db->prepare("SELECT id from arsse_folders where owner is ? and parent is ? and name is ?", "str", "int", "str")->run($user, $data['parent'], $data['name'])->getValue();
if(!is_null($existing) && $existing != $id) {
throw new Db\ExceptionInput("constraintViolation"); // FIXME: There needs to be a practical message here
@ -395,23 +395,20 @@ class Database {
if(!$this->userExists($user)) {
throw new User\Exception("doesNotExist", ["user" => $user, "action" => __FUNCTION__]);
}
$this->db->begin();
// If the feed doesn't already exist in the database then add it to the database
// after determining its validity with PicoFeed.
$qFeed = $this->db->prepare("SELECT id from arsse_feeds where url is ? and username is ? and password is ?", "str", "str", "str");
$feed = $qFeed->run($url, $fetchUser, $fetchPassword)->getValue();
if($feed === null) {
$feed = new Feed($url);
$feed->parse();
// Add the feed to the database and return its Id which will be used when adding
// its articles to the database.
$feedID = $this->db->prepare(
'INSERT INTO arsse_feeds(url,title,favicon,source,updated,modified,etag,username,password)
values(?,?,?,?,?,?,?,?,?)',
'str', 'str', 'str', 'str', 'datetime', 'datetime', 'str', 'str', 'str')->run(
try {
// If the feed doesn't already exist in the database then add it to the database
// after determining its validity with PicoFeed.
$feedID = $this->db->prepare("SELECT id from arsse_feeds where url is ? and username is ? and password is ?", "str", "str", "str")->run($url, $fetchUser, $fetchPassword)->getValue();
if($feedID === null) {
$feed = new Feed($url);
$feed->parse();
// Add the feed to the database and return its Id which will be used when adding
// its articles to the database.
$feedID = $this->db->prepare(
'INSERT INTO arsse_feeds(url,title,favicon,source,updated,modified,etag,username,password) values(?,?,?,?,?,?,?,?,?)',
'str', 'str', 'str', 'str', 'datetime', 'datetime', 'str', 'str', 'str'
)->run(
$url,
$feed->data->title,
// Grab the favicon for the feed; returns an empty string if it cannot find one.
@ -423,15 +420,17 @@ class Database {
$fetchUser,
$fetchPassword
)->lastId();
// Add each of the articles to the database.
foreach($feed->data->items as $i) {
$this->articleAdd($feedID, $i);
// Add each of the articles to the database.
foreach($feed->data->items as $i) {
$this->articleAdd($feedID, $i);
}
}
// Add the feed to the user's subscriptions.
$sub = $this->db->prepare('INSERT INTO arsse_subscriptions(owner,feed) values(?,?)', 'str', 'int')->run($user, $feedID)->lastId();
} catch(\Throwable $e) {
$this->db->rollback();
throw $e;
}
// Add the feed to the user's subscriptions.
$sub = $this->db->prepare('INSERT INTO arsse_subscriptions(owner,feed) values(?,?)', 'str', 'int')->run($user, $feedID)->lastId();
$this->db->commit();
return $sub;
}
@ -443,40 +442,46 @@ class Database {
public function articleAdd(int $feedID, \PicoFeed\Parser\Item $article): int {
$this->db->begin();
$articleID = $this->db->prepare('INSERT INTO arsse_articles(feed,url,title,author,published,edited,guid,content,url_title_hash,url_content_hash,title_content_hash)
values(?,?,?,?,?,?,?,?,?,?,?)',
'int', 'str', 'str', 'str', 'datetime', 'datetime', 'str', 'str', 'str', 'str', 'str')->run(
$feedID,
$article->url,
$article->title,
$article->author,
$article->publishedDate,
$article->updatedDate,
$article->id,
$article->content,
$article->urlTitleHash,
$article->urlContentHash,
$article->titleContentHash
)->lastId();
// If the article has categories add them into the categories database.
$this->categoriesAdd($articleID, $article);
try {
$articleID = $this->db->prepare(
'INSERT INTO arsse_articles(feed,url,title,author,published,edited,guid,content,url_title_hash,url_content_hash,title_content_hash) values(?,?,?,?,?,?,?,?,?,?,?)',
'int', 'str', 'str', 'str', 'datetime', 'datetime', 'str', 'str', 'str', 'str', 'str'
)->run(
$feedID,
$article->url,
$article->title,
$article->author,
$article->publishedDate,
$article->updatedDate,
$article->id,
$article->content,
$article->urlTitleHash,
$article->urlContentHash,
$article->titleContentHash
)->lastId();
// If the article has categories add them into the categories database.
$this->categoriesAdd($articleID, $article);
} catch(\Throwable $e) {
$this->db->rollback();
throw $e;
}
$this->db->commit();
return 1;
return $articleID;
}
public function categoriesAdd(int $articleID, \PicoFeed\Parser\Item $article): int {
$this->db->begin();
$categories = $article->getTag('category');
if(count($categories) > 0) {
foreach($categories as $c) {
$this->db->prepare('INSERT INTO arsse_categories(article,name) values(?,?)', 'int', 'str')->run($articleID, $c);
$this->db->begin();
try {
if(count($categories) > 0) {
foreach($categories as $c) {
$this->db->prepare('INSERT INTO arsse_categories(article,name) values(?,?)', 'int', 'str')->run($articleID, $c);
}
}
} catch(\Throwable $e) {
$this->db->rollback();
throw $e;
}
$this->db->commit();
return count($categories);
}
@ -547,13 +552,15 @@ class Database {
}
if($update) {
$this->db->prepare('UPDATE arsse_articles SET url = ?, title = ?, author = ?, published = ?, edited = ?, modified = ?, guid = ?, content = ?, url_title_hash = ?, url_content_hash = ?, title_content_hash = ? WHERE id is ?', 'str', 'str', 'str', 'datetime', 'datetime', 'datetime', 'str', 'str', 'str', 'str', 'str', 'int')->run(
$this->db->prepare(
'UPDATE arsse_articles SET url = ?, title = ?, author = ?, published = ?, edited = ?, modified = CURRENT_TIMESTAMP, guid = ?, content = ?, url_title_hash = ?, url_content_hash = ?, title_content_hash = ? WHERE id is ?',
'str', 'str', 'str', 'datetime', 'datetime', 'str', 'str', 'str', 'str', 'str', 'int'
)->run(
$i->url,
$i->title,
$i->author,
$i->publishedDate,
$i->updatedDate,
time(),
$i->id,
$i->content,
$i->urlTitleHash,

2
tests/test.php
View file

@ -20,4 +20,4 @@ Data::$user->authorizationEnabled(false);
Data::$user->rightsSet($user, User\Driver::RIGHTS_GLOBAL_ADMIN);
Data::$user->authorizationEnabled(true);
Data::$db->folderAdd($user, ['name' => 'ook']);
Data::$db->subscriptionAdd($user, "http://www.tbray.org/ongoing/ongoing.atom");
Data::$db->subscriptionAdd($user, "http://www.pcgamer.com/rss/");