read = coalesce((select read from target_values),read),
read = case when (select honour_read from target_articles where target_articles.id is article) is 1 then (select read from target_values) else read end,
starred = coalesce((select starred from target_values),starred),
modified = CURRENT_TIMESTAMP
WHERE
owner is (select user from user)
and article in (select id from target_articles where to_update is 1)",
and article in (select id from target_articles where to_insert is 0 and (honour_read is 1 or honour_star is 1))",
"INSERT INTO arsse_marks(owner,article,read,starred)
select
(select user from user),
id,
coalesce((select read from target_values),0),
coalesce((select read from target_values) * honour_read,0),
coalesce((select starred from target_values),0)
from target_articles where to_insert is 1"
from target_articles where to_insert is 1 and (honour_read is 1 or honour_star is 1)"
];
$out = 0;
// wrap this UPDATE and INSERT together into a transaction
@ -712,26 +712,15 @@ class Database {
foreach($queries as $query) {
// first build the query which will select the target articles; we will later turn this into a CTE for the actual query that manipulates the articles
$q = new Query(
"SELECT
"SELECT
arsse_articles.id as id,
(select max(id) from arsse_editions where article is arsse_articles.id) as edition,
max(arsse_articles.modified,
max(arsse_articles.modified,
coalesce((select modified from arsse_marks join user on user is owner where article is arsse_articles.id),'')
) as modified_date,
(
not exists(select id from arsse_marks join user on user is owner where article is arsse_articles.id)
and exists(select * from target_values where read is 1 or starred is 1)
) as to_insert,
exists(
select id from arsse_marks
join user on user is owner
where
article is arsse_articles.id
and (
read is not coalesce((select read from target_values),read)
or starred is not coalesce((select starred from target_values),starred)
)
) as to_update
(not exists(select id from arsse_marks join user on user is owner where article is arsse_articles.id)) as to_insert,
((select read from target_values) is not null and (select read from target_values) is not (coalesce((select read from arsse_marks join user on user is owner where article is arsse_articles.id),0)) and (not exists(select * from requested_articles) or (select max(id) from arsse_editions where article is arsse_articles.id) in (select edition from requested_articles))) as honour_read,
((select starred from target_values) is not null and (select starred from target_values) is not (coalesce((select starred from arsse_marks join user on user is owner where article is arsse_articles.id),0))) as honour_star
FROM arsse_articles"
);
// common table expression for the affected user
@ -760,6 +749,32 @@ class Database {
// otherwise add a CTE for all the user's subscriptions
$q->setCTE("subscribed_feeds(id,sub) as (SELECT feed,id from arsse_subscriptions join user on user is owner)", [], [], "join subscribed_feeds on feed is subscribed_feeds.id");
}
if($context->editions()) {
// if multiple specific editions have been requested, prepare a CTE to list them and their articles
if(!$context->editions) throw new Db\ExceptionInput("tooShort", ['field' => "editions", 'action' => __FUNCTION__, 'min' => 1]); // must have at least one array element
if(sizeof($context->editions) > 50) throw new Db\ExceptionInput("tooLong", ['field' => "editions", 'action' => __FUNCTION__, 'max' => 50]); // must not have more than 50 array elements
"requested_articles(id,edition) as (select article,id as edition from arsse_editions where edition in ($inParams))",
$inTypes,
$context->editions
);
$q->setWhere("arsse_articles.id in (select id from requested_articles)");
} else if($context->articles()) {
// if multiple specific articles have been requested, prepare a CTE to list them and their articles
if(!$context->articles) throw new Db\ExceptionInput("tooShort", ['field' => "articles", 'action' => __FUNCTION__, 'min' => 1]); // must have at least one array element
if(sizeof($context->articles) > 50) throw new Db\ExceptionInput("tooLong", ['field' => "articles", 'action' => __FUNCTION__, 'max' => 50]); // must not have more than 50 array elements
"requested_articles(id,edition) as (select id,(select max(id) from arsse_editions where article is arsse_articles.id) as edition from arsse_articles where arsse_articles.id in ($inParams))",
$inTypes,
$context->articles
);
$q->setWhere("arsse_articles.id in (select id from requested_articles)");
} else {
// if neither list is specified, mock an empty table
$q->setCTE("requested_articles(id,edition) as (select 'empty','table' where 1 is 0)");
