I'll first describe my initial problem - I have a few site global variables (such as whether I'm online/offline, the price of the item etc).. I was wondering how best to store/retrieve these as they are needed on most pages.
In the end after some guidance I've opted to store them in a DB and create a component class (in Yii) to access them from where ever: e.g. echo Yii::app()->variables->price
I'm new to Yii, and I've been searching around but cannot find out how to properly interface a DB (AR Style) connection with a component.. So far I've created a Model class and the DB with columns 'id', 'name', 'value'
Just to get the hang of it I'm writing a method: getTestValue() in my component class, but I just don't know how to go about retrieving the row with name test using Yii's ActiveRecord. Could someone point me in the right direction please? :)
Many thanks!
This should work:
function getTestValue(){
$myvalobj = YourModelClass::model()->findByAttributes(array('name'=>'test'));
if($myvalobj!==null)
return $myvalobj->value;
return null;
}
Related
Been struggling with how to do this the most optimized way possible...
I have two models: Catalog and Application.
Catalog has a field called name.
Application has a field called name.
Both have a relationship with each other.
I am struggling to find a way to create a function i could use across my Laravel application which i would pass application.id to it and it would return a $app->name value based on the following logic:
if $application->name exists, use this value as the $app->name for the $application object
otherwise, get the $catalog->name value and use it as the $app->name
Note that I would like to create a component #application() where i can simply pass the $application->id and build the display logic (theming/styling) into it.
Since i display this $app->name in many places, i would like to make it as lightweight as possible to avoid unnecessary queries.
I hope this makes sense! There are probably so many ways to go with it, i am lost at figuring out the way way to do this :(
I'm not completely sure to understand your model/DB design, but you could use a custom Helper to use that function through the whole app.
For that, you can create a simple PHP class Helper.php file in app/Http/Helpers folder or whatever location you want. Something like:
<?php
use App\Catalog;
use App\Application;
if (! function_exists('getAppName')) {
function getAppName($id){
// Do your logic here to return the name
$catalog = Catalog::find($id);
return $catalog->name;
}
}
?>
Then in any controller or view, you just do
getAppName($application->id)
Do no forget to add your helpers file to the composer autoload. So in composer.json in Laravel's root folder, add the helper path to the autoload array:
"files": [
"app/Http/Helpers/helpers.php"
],
Last but not least, run the following command:
composer dump-autoload
Please note that function logic is just for sample purposes since I don't know your model structure.
In my opinion, I care about the database cost.
Use ternary expression will be elegant. But it took two times IO costs from database if application name is empty.
$app_name = Application::find($id)->name;
$app_name = empty($app_name) ? Catalog::where('application_id', $id)->first()->name;
And this will more complicated, but the catalog_query only execute when application.name is empty, it execute in database and the result is taken out only once;
And Database will only find the name from one table or two table.
Something like this:
$catalog_query = Catalog::where('catalogs.application_id', $id)->select('catalogs.name')->groupBy('catalogs.name');
// if catalogs and applications relationship is 1:1, use ->limit(1) or remove groupBy('name') is better.
Application::where("applications.id", $id)
->selectRaw("IF(application.name IS NULL OR application.name = '', (" . $catalog_query->toSql() ."), applications.name ) AS app_name")
->mergeBindings($catalog_query->getQuery())
->first()
->app_name;
Hope this will help you.
I am trying to list the view template’s properties so we can compare them with another old template.
For example what model elements are hidden or have overrides in a given template or which Revit links have been hidden or overridden in a given template.
View Template
(https://www.google.com/search?q=view+template+revit&rlz=1C1GGRV_enUS770US770&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjLndrd2cTbAhVESq0KHX1cAPwQ_AUICygC&biw=1536&bih=824#imgrc=Q0v-pV7Nxl4kfM:)
I’m looking to devise a View Template Compare tool and access to the owner and creator of them.
public void ApplyViewTemplateToActiveView()
{
Document doc = this.ActiveUIDocument.Document;
View viewTemplate = (from v in new FilteredElementCollector(doc)
.OfClass(typeof(View))
.Cast<View>()
where v.IsTemplate == true && v.Name == "MyViewTemplate"
select v)
.First();
using (Transaction t = new Transaction(doc,"Set View Template"))
{
t.Start();
doc.ActiveView.ViewTemplateId = viewTemplate.Id;
t.Commit();
}
}
With Revit API you can access with:
GetTemplateParameterIds Method / ViewTemplateId Property
The Revit API exposes almost all the ViewTemplate properties.
For instance this method returns all the Visibility/Graphic Overrides for a specific category:
https://apidocs.co/apps/revit/2019/ed267b82-56be-6e3b-0c6d-4de7df1ed312.htm
The only thing I couldn't get for a ViewTemplate are the "includes", but all the rest seems to be there.
Update:
The list or properties "not included" can be retrieved with GetNonControlledTemplateParameterIds().
Yes, and no.
Yes, I guess you can use Forge Model Derivative API to export RVT file and then build a dashboard around the View Templates data. That's assuming that View Templates data actually gets exported when the model is translated. That data is not attached to any geometry so I would not be surprised if it was skipped. The question here is why? This is like renting a 16-wheel truck to move a duffel bag across the street.
No, if your intention is to directly interact with the RVT model. Forge can view it, but to push anything back or request changes to the model, is not available yet. Then again, I am not even sure that the view template data is available via model derivative exports.
This brings me another alternative. Why not just collect the data using Revit API, the standard way and then push it out to a Database and build on top of that? There is no reason to employ Forge for any of that.
Thanks Jeremy, I had dig into your amazing website and also some solution that Konrad post in the Dynamo Forum about this. In Revit seems pretty achievable, you filter the View that is View Template and then extracts these properties, is it correct?.
I am wondering if someone can point me in the right direction with Forge.
Some amazing guys are developing a BQL https://www.retriever.works/.
BQL(Building Query Language) is a query language for buildings, similar to how SQL is a query language for databases. It is fast and flexible. BQL helps improve efficiency for QA/QC (quality assurance and quality control), and building data extraction without leaving Revit. I am also trying these and I would like to understand if there are some works where I could start with Forge next week about this.
I'm trying to find all users w/ a specific permissions list in Sentry with laravel. The problem is that Sentry::findAllUsersWithAccess() returns an array().
as stated in their github repository i pinpointed their code to be
public function findAllWithAccess($permissions)
{
return array_filter($this->findAll(), function($user) use ($permissions)
{
return $user->hasAccess($permissions);
});
}
right now, it gets all users and filter it out with users with permission list. the big problem would be when I as a developer would get the set of users, it'll show ALL users, i'm developing an app which may hold thousands of users and i only need to get users with sepcific permission lists.
With regards to that would love to use one with a ->paginate() capability.
Any thoughts how to get it without getting all the users.
Why dont you override the findAllWithAccess() method and write your own implementation, which uses mysql where instead of array_filter().
I dont know your project structure and the underlying db schema, so all i can give you atm is the link to the eloquent documentation Querying Relations (whereHas).
In case you dont know where to start: its always a good idea to look at the ServiceProvider (SentryServiceProvider, where the UserProvider, which holds the findAllWidthAccess() method, is registered). Override the registerUserProvider method and return your own implementation of the UserProvider (with the edited findAllWithAccess() method).
Hope that will point you in the right direction.
In Laravel you can do pagination manually on arrays:
$paginator = Paginator::make($items, $totalItems, $perPage);
Check the docs: http://laravel.com/docs/pagination
I m trying to learn coding a bit through Magento, and I have to admit that I'm a bit confused about this notion of object chaining in it.
In fact I don't understand when to do a load and when I can avoid it. For exemple:
$product = Mage::getModel('catalog/product')->load($item->getProductId());
I would like to get the info of product from a product ID in this case; why do I need to load it? ($item is the loop of all the products of an order)
And here I don't need to do any load:
$customer = $payment->getOrder()->getCustomer();
I'm sorry in advance for my stupid question: What does load do comparing to my second example? Thanks a lot and have a nice day,
Anselme
Behind the scenes a method like $payment->getOrder() is effectively (after checking to see if it's already loaded) doing this:
return Mage::getModel('sales/order')->load($this->getOrderId());
// $this in this context is $payment
So a load is still needed to retrieve the relevant data from the database, the getOrder() method is just a convenience. The load() method itself returns it's class instance, which is why you can assign it to $product in your first example. The getOrder() and getCustomer() methods don't return themselves, they return a different object, which is why $payment is not assigned to $customer in your second example.
The Mage::getModel() method is only responsible for determining the correct class and creating a blank instance of it. Instead of a load you could instead set it's data with a setData() call, passing a keyed array of values. All of the setters return their object, just like load() does.
$customer = $payment->getOrder()->getCustomer();
It means the id of the customer is already present in the session, so you don't need to explicitly tell magento to load the customer.
In the products case, you have to tell magento the product id of the product you want to get details of.
Okay, so I'm doing my first foray into using the ADO.NET Entity Framework.
My test case right now includes a SQL Server 2008 database with 2 tables, Member and Profile, with a 1:1 relationship.
I then used the Entity Data Model wizard to auto-generate the EDM from the database. It generated a model with the correct association. Now I want to do this:
ObjectQuery<Member> members = entities.Member;
IQueryable<Member> membersQuery = from m in members select m;
foreach (Member m in membersQuery)
{
Profile p = m.Profile;
...
}
Which halfway works. I am able to iterate through all of the Members. But the problem I'm having is that m.Profile is always null. The examples for LINQ to Entities on the MSDN library seem to suggest that I will be able to seamlessly follow the navigation relationships like that, but it doesn't seem to work that way. I found that if I first load the profiles in a separate call somehow, such as using entities.Profile.ToList, then m.Profile will point to a valid Profile.
So my question is, is there an elegant way to force the framework to automatically load the data along the navigation relationships, or do I need to do that explicitly with a join or something else?
Thanks
Okay I managed to find the answer I needed here http://msdn.microsoft.com/en-us/magazine/cc507640.aspx. The following query will make sure that the Profile entity is loaded:
IQueryable<Member> membersQuery = from m in members.Include("Profile") select m;
I used this technique on a 1 to many relationship and works well. I have a Survey class and many questions as part of that from a different db table and using this technique managed to extract the related questions ...
context.Survey.Include("SurveyQuestion").Where(x => x.Id == id).First()
(context being the generated ObjectContext).
context.Survey.Include<T>().Where(x => x.Id == id).First()
I just spend 10mins trying to put together an extention method to do this, the closest I could come up with is ...
public static ObjectQuery<T> Include<T,U>(this ObjectQuery<T> context)
{
string path = typeof(U).ToString();
string[] split = path.Split('.');
return context.Include(split[split.Length - 1]);
}
Any pointers for the improvements would be most welcome :-)
On doing a bit more research found this ... StackOverflow link which has a post to Func link which is a lot better than my extension method attempt :-)