Retrieve all data from one table, and some from another in CakePHP - mysql

In my CakePHP site, I want to make a drop-down list of all Venues, and any Restaurants that have is_venue=1.
I've tried this in my events_controller:
$venueOptions = array(
'fields' => array('id', 'name_address'),
'order' => array('name'),
'join' => array(
array(
'table' => 'restaurants',
'alias' => 'Restaurants',
'type' => 'inner',
'fields' => array('id', 'name'),
'foreignKey' => false,
'conditions' => array('restaurants.is_venue = 1')
)
),
);
$venues = $this->Event->Venue->find('list', $venueOptions);
But it appears to still just be getting the venues. I don't really need an association between the two, since their associations will both be with an event, not each other.
Where have I gone wrong? Am I close, but just need to tweak this code, or am I just all-together doing it wrong?

I think you could do something along the lines of:
<?php
....
$v = $this->Venue->find( 'list' );
$r = $this->Restaurant->find( 'list' );
$venues = Set::merge( $v, $r );
natcasesort( $venues );
// print_r( $venues );
$this->set( 'venues', $venues );
...
?>
Which is quite like the code above - I just use the Set class and make sure to Controller::set the variable to the view.
Also added some basic sorting to show you one option even though array sorting has nothing really specific to do with CakePHP.
Also fixed some bad variable names where I had originally used $venues, and $restaurants - changed to be consistently $v and $r.

Join will not work if there's no relation between. Venue and Restaurant. You should call them separately and merge the results
$venues = $this->Event->Venue->find('list', $venueOptions);
$restaurants = $this->Event->Restaurant->find('list', array('conditions' => array('is_venue' => '1')));
$results = array_merge($venues, $restaurants);
// sort results
asort($results);

Related

WordPress query posts without ACF repeater subfields AND specific value

I have two custom post types, playlists and games. Playlists have a ACF repeater field, that contain games.
My goal: I am trying to build a simple query, that gets all playlists that DO NOT have this game listed in the repeater field AND alll playlists that are empty (do not have any repeater fields / database entries at all). I want to use the get_posts() function to achieve my goal, if possible.
My problem: I can only get the query to show ONLY the playlists that HAVE the game by using the = operator in the "game_filter" meta query compare field (but I want the opposite). If I choose the != or <> or IS NOT operator, it spits out all available posts. And if I also include my "empty_playlists" meta query, it ALWAYS shows me all playlists, no matter what operators I use, even tho it is a OR and the listed posts do have entrys.
I tried a lot but just cant get it to work. All exmaples I found were about different things, mostly about the % problem with the repeater field names and its solution. I hope someone can help me with this real quick. What am I doing wrong? Please help fellow and better coders! :-)
This is my code
$excluded_playlists_game_id = 274;
$user_id = 1;
$args = array(
'post_type' => PSiCorePostTypes::PLAYLISTS,
'author' => $user_id,
'order_by' => 'title',
'order' => 'ASC',
'suppress_filters' => false,
'meta_query' => array(
'relation' => 'OR',
'game_filter' => array(
'type' => 'NUMERIC',
'key' => 'psi_playlist_games_%_item',
'compare' => '!=',
'value' => $excluded_playlists_game_id,
),
'empty_playlists' => array(
'key' => 'psi_playlist_games_%_item',
'compare' => 'NOT EXISTS',
),
),
);
$user_playlists = get_posts( $args );
and this function for the % problem.
add_filter( 'posts_where', 'get_user_playlists_query_allow_wildcard' );
function get_user_playlists_query_allow_wildcard( $where ) {
global $wpdb;
$where = str_replace(
"meta_key = 'psi_playlist_games_%_item",
"meta_key LIKE 'psi_playlist_games_%_item",
$wpdb->remove_placeholder_escape( $where )
);
return $where;
}

In the controller do a find specifiing basic conditions but the query built by cakephp doesn't match the conditions

In the controller :
$budget = $this->Budget->find('first',
array('conditions' => array(
"copros_id" => $this->Session->read('Copro.id'),
"typebudgets_id" => $typebudget['Typebudget']['id'],
"exercices_id" => $this->Session->read('Exercice.id'))));
generates the sql:
SELECT `Budget`.`id`,
`Budget`.`created`,
`Budget`.`modified`,
`Budget`.`title`,
`Budget`.`statusbudgets_id`,
`Budget`.`typebudgets_id`,
`Budget`.`copros_id`,
`Budget`.`visible`,
`Budget`.`exercices_id`
FROM `default_schema`.`budgets` AS `Budget`
WHERE `Budget`.`typebudgets_id` = ('466b50a5-4736-11e6-a160-00163ee3b504')
The Model contains :
public $belongsTo = array(
'StatusBudget' => array(
'className' => 'StatusBudget',
'foreignKey' => 'statusbudgets_id'
),
'Exercice' => array(
'className' => 'Exercice',
'foreignKey' => 'exercices_id'
),
'Typebudget' => array(
'className' => 'Typebudget',
'foreignKey' => 'typebudgets_id'
),
'Copro' => array(
'className' => 'Copro',
'foreignKey' => 'copros_id'
),
);
It looks like the conditions in the find are ignored by cakephp (2) when building the query; specifying different conditions in the find give the same sql as a result. As if the conditions don't matter in fact.
Strange (for me).
Thanks
A couple of things may be happening here:
First try to clear the model cache. If you don't know how to use the cake console just delete the files in the /tmp/cache/model folders.
The table behind the Budget model does NOT have the columns you are making a reference to. Or there is a typo in their name. In that case Cake will not use them when you build your conditions.
The db table for budget has all the required columns, but the way the Table class is defined could interfere with properly reading the table structure from the database.
Thinking about Ilia Pandia's answer I tried to specify more precisly my conditions:
$budget = $this->Budget->find('first',
array('conditions' => array(
"Budget.copros_id" => $this->Session->read('Copro.id'),
"Budget.typebudgets_id" => $typebudget['Typebudget']['id'],
"Budget.exercices_id" => $this->Session>read('Exercice.id'))));
The sql generated is now what I expected:
SELECT `Budget`.`id`, ...
FROM `default_schema`.`budgets` AS `Budget`
LEFT JOIN `default_schema`.`status_budgets` AS `StatusBudget` ON (`Budget`.`statusbudgets_id` = `StatusBudget`.`id`)
LEFT JOIN `default_schema`.`exercices` AS `Exercice` ON (`Budget`.`exercices_id` = `Exercice`.`id`)
LEFT JOIN `default_schema`.`typebudgets` AS `Typebudget` ON (`Budget`.`typebudgets_id` = `Typebudget`.`id`)
LEFT JOIN `default_schema`.`copros` AS `Copro` ON (`Budget`.`copros_id` = `Copro`.`id`)
WHERE Budget.copros_id = '5af2bda8-97d0-403a-ad96-4cf1ac171864'
AND Budget.typebudgets_id = '466b50a5-4736-11e6-a160-00163ee3b504'
AND Budget.exercices_id = '5af2c13b-43d0-412f-97d9-4752ac171864' LIMIT 1
Thank you!

CakePHP - trying to order posts by relevance to tags shared with main post and date created

I'm trying to display eight of the most relevant posts, in order of relevance, based on tags shared with the current post being viewed and the date created...
Models:
Tag habtm Post
Post habtm Tag
DB:
posts(id, slug, ...)
tags(id, tag, ...)
posts_tags(post_id, tag_id)
Within controller action:
$post = $this->Post->find('first', array('conditions' => array('slug' => $slug)));
$this->set('post', $post);
$tags = $post['Tag'];
$relOrd = '';
foreach($tags as $tag){
$tagId = $tag['id'];
$relOrd .= " + (CASE WHEN PostsTag.tag_id = ".$tagId." THEN 1 ELSE 0 END)";
}
$relOrd = '(' . substr($relOrd, 3) . ') AS Relevance';
$morePosts = $this->Post->find('all', array(
'joins' => array(
array(
'table' => 'posts_tags',
'alias' => 'PostsTag',
'type' => 'LEFT',
'conditions' => array(
'PostsTag.post_id = Post.id',
)
)
),
'group' => 'Post.id',
'fields' => array($relOrd, 'Post.*'),
'order' => array('Relevance' => 'DESC', 'Post.created' => 'DESC'),
'limit' => 8,
));
$this->log($morePosts);
$this->set('morePosts', $morePosts);
It's almost working, although the relevance value is being treated as if each post has only one tag (being only 0 or 1). So it seems that the relevance value for each post is taking either 0 or 1 depending on the posts LAST tag rather than being accumulative based on ALL tags.
First of all, I'd take all of the logic out of the controller. Consider this:
$post = $this->Post->find('first', array('conditions' => array('slug' => $slug)));
$this->set('post', $post);
$this->set('morePosts', $this->Post->findRelevant($post));
Now your controller is easy to read and does it's job. You essentially start by describing what data you want by naming an imaginary model function, and then you write the model code to fulfill that request.
So here's a stab at the model code:
var $actsAs = array('Containable');
function findRelevant($post, $limit = 8) {
// create an array of ids of the tags from this post
$tags = array();
foreach($post['Tag'] as $num => $tag) {
$tags[$tag['id']] = $tag['id'];
}
// find other posts that have any of those tags
$relevant = $this->find('all', array(
'conditions' => array('Post.id <>' => $post['Post']['id']),
'order' => 'Post.created desc',
'contain' => array('Tag' => array('conditions' => array(
'Tag.id' => $tags
))),
));
// count the number of tags of each post and call it relevance
// (this number is essentially the number of tags in common
// with the original post because we used contain to get only
// the tags from the original post)
foreach($relevant as &$p) {
$p['Post']['relevance'] = count($p['Tag']);
}
// sort by relevance
$relevant = Set::sort($relevant, '{n}.Post.relevance', 'desc');
// limit the number of posts returned (defaults to 8)
return array_splice($relevant, 0, $limit);
}
Obviously it would be great to use the database logic to fetch the records (as you are attempting to do) so that it's as fast as possible and so that you minimize the amount of data that you retrieve, but I can't see how to do that for what you're trying to achieve.
This method should work fine and is not database specific. :)

yii CActiveDataProvider with limit and pagination

I'm trying to select few rows from the table and render it in multiple pages (pagination).
This is a code in the model:
return new CActiveDataProvider('Downloads',
array(
'criteria' => array(
'select' => 'download_id,title,thumb_ext',
'order' => 'download_id DESC',
'limit' => $count,
),
'pagination' => array('pageSize' => 5,),
)
);
In the view I display it using CGridView:
$this->widget('zii.widgets.grid.CGridView', array(
'dataProvider'=>$dataProvider,
'columns' => array('download_id', 'title', 'thumb_ext'),
));
The problem is that CActiveDataProvider ignores limit of criteria and returns all rows of table...
Thanks.
I'm not positive... but I think Yii uses the LIMIT clause to do SQL result pagination, so it will overwrite/replace your LIMIT clause. You can check this by turning on the CWebLogRoute log route to see exactly what SQL is being executed.
I'm not quite sure how this is supposed to work, anyway. What is the LIMIT clause you added for? If you are paginating anyway, why not let the user paginate through all the records? The solution is probably to change your criteria to get rid of the LIMIT clause.
Are you trying to set the number of results per page? You already have the pageSize set to 5 though...
One other thing to try that might do what you want, is to check out the base Pager class, CPagination. With CLinkPager, it might let you paginate more creatively than the CListPager you are using with the CGridView.
Good luck!
I had the same problem and I found a solution as follows:
return new CActiveDataProvider('Downloads',
array(
'criteria' => array(
'select' => 'download_id,title,thumb_ext',
'order' => 'download_id DESC',
),
'pagination' => array('pageSize' => 5,),
'totalItemCount' => $count,
)
);
and set CGridView to pagination is hidden:
$this->widget('zii.widgets.grid.CGridView', array(
'dataProvider'=>$dataProvider,
'enablePagination' => false,
'columns' => array('download_id', 'title', 'thumb_ext'),
));
One of the basic features of a data provider is that you can override the calculation of the amount of rows by specifying a "totalItemCount" in the config. Normally (I haven't tested it) this also works for the ActiveDataProvider:
return new CActiveDataProvider('Downloads',
array(
'criteria' => array(
'select' => 'download_id,title,thumb_ext',
'order' => 'download_id DESC',
),
'pagination' => array('pageSize' => 5,),
'totalItemCount' => $count,
)
);

Cakephp model associastion

I have thee following simple model:
Item belongsTo CatalogItem
CatalogItem hasMany Item, and belongsTo Section
Section hasMany CatalogItem
I'm trying to get counts of items, grouped by catalogitem, for a certain section-
the equivalent of:
SELECT catalogitem.id, count(*) FROM section LEFT JOIN catalogitem ON section.id=catalogitem.section_id LEFT JOIN item ON item.catalogitem_id=catalogitem.id WHERE section.id=5 GROUP BY catalogitem.id
So simple in sql, yet I can't get it to work with cake models. Can anyone point as to how to do it with cake models, using the model->find?
I can't get it to group by correctly or join correctly on 3 tables :(
Edit:
highly prefer to get the info in single query
Here's a longer way, "cakeish" way:
class Item extends AppModel
{
/* snip */
var $virtualFields = array('item_count' => 'count(Item.id)');
function getCountForSection($sectionId)
{
$ca = $this->Catalogitem->find
(
'all',
array
(
'fields' => array('Catalogitem.id'),
'conditions' => array('Catalogitem.section_id' => $sectionId),
'recursive' => -1
)
);
$ca = Set::extract('/Catalogitem/id', $ca);
$ret = $this->find
(
'all',
array
(
'fields' => array('Item.catalogitem_id', 'item_count'),
'conditions' => array('Item.catalogitem_id' => $ca),
'group' => array('Item.catalogitem_id'),
'recursive' => -1
)
);
return $ret;
}
}
Then simply use it in your controller:
$ret = $this->Item->getCountForSection(1);
debug($ret);
How does it work:
Define a virtual field (cake 1.3+ only AFAIK) which will count items
Fetch all the Catalogitems belonging to a Section you're interested in
Use Set::extract() to get the Catalogitems in a simple array
Use the array of Catalogitems to filter Items while counting and grouping them
NB: You don't seem to be using Cake's naming conventions in your database. This may hurt you.
Sorry, in my first answer I somehow missed your GROUP BY requirement, which was the whole point of the question, I now realize. I haven't used this yet, but I came across it recently, and it looks like it might accomplish what you are looking for: Linkable Behavior.
http://planetcakephp.org/aggregator/items/891-linkable-behavior-taking-it-easy-in-your-db
Like Containable, but works with only right and left joins, produces much more compact queries and supports GROUP BY.
http://github.com/rafaelbandeira3/linkable
#azv
Would this work for you:
$section_id = 5;
$fields = array('CatalogItem.id as CatalogItemId', 'count(*) AS SectionCount');
$conditions = array('Section.id' => $section_id);
$joins = array(
array('table' => 'catalogitem',
'alias' => 'CatalogItem',
'type' => 'LEFT',
'conditions' => array('Section.id' => 'CatalogItem.section_id')
),
array('table' => 'item',
'alias' => 'Item',
'type' => 'LEFT',
'conditions' => array('Item.catalogitem_id' => 'CatalogItem.id')
));
$data = $this->Section->find('all',
array('fields' => $fields,
'conditions' => $conditions,
'joins' => $joins,
'group' => 'CatalogItem.id',
'recursive' => -1)
);
// access your data values
foreach ($data['Section'] as $i => $datarow) {
$catalogitem_id = $datarow['CatalogItemId'];
$section_count = $datarow['SectionCount'];
}
This way you are explicitly setting your joins and doing it all in one query. See here for more info on joins in Cake:
http://book.cakephp.org/view/1047/Joining-tables
Hope this helps. All the best,
-s_r