I created an extension with a domain model Message. This model has a relation m:n with the TYPO3 pages (the one which has the details of the pages, like title, issite_root etc) table. However, by using the mapping to existing tables option, it gives me type error saying page :
The configured type field for table "pages" is of type int(11) unsigned
This means the type field can not be used for defining the record type.
You have to configure the mappings yourself if you want to map to this
table or extend the correlated class
So I just create the relation without mapping, so that I can later map it from setup.txt.
The I created model Pages in MyExt/Classes/Domain/Model/ with all the getters/setters and repository in MyExt/Classes/Domain/Repository/.
In my setup.txt I did this:
config.tx_extbase {
persistence{
enableAutomaticCacheClearing = 1
updateReferenceIndex = 0
classes {
Tx_Playfield_Domain_Model_Pages {
mapping {
tableName = pages
columns {
uid.mapOnProperty = uid
pid.mapOnProperty = pid
sorting.mapOnProperty = sorting
title.mapOnProperty = title
subtitle.mapOnProperty = subtitle
}
}
}
}
}
}
But when I try to access the Pages model I created,
var_dump($this->pagesRepository->findByUid(74));
its searching for tx_playfield_domain_model_pages which does not exists, it shows
Table 'typo3.tx_playfield_domain_model_pages' doesn't exist: SELECT tx_playfield_domain_model_pages.* FROM tx_playfield_domain_model_pages WHERE tx_playfield_domain_model_pages.uid = '74' LIMIT 1
What am I missing here?
Update
After following http://t3-developer.com/extbase-fluid/cheats-extbase/model/tabelle-pages-in-extbase/ suggested by #Michael I get an empty result from $this->pagesRepository->findByUid(74)
setup.txt is loading. I did this to check it:
plugin.tx_playfield{
settings{
temp=yes
}
}
And this is being accessed from my controller.
Is it possible that you didn't create the Pages domain model (within the extension builder or not at all)? The file my_ext/Classes/Domain/Model/Pages.php needs to exist. Check that your "Pages" domain model has the property Map to existing table set to pages, it should look like that:
I don't know where exactly your error is, but I did some more tinkering in the extension builder and made it work. You can probably find out by comparing your extension playfield to my temporary extension testfield: Download it here (updated).
Btw, you don't need to map properties that you do not want to be displayed in the frontend unless they are named differently.
mapping {
tableName = pages
columns {
title.mapOnProperty = title
subtitle.mapOnProperty = subtitle
}
}
I think you have to write the mapping with camel case letters (the class name). Although this post is in German, I think the code might help you. The author added some fields he is going to use to the class and also added a mapping in the typoscript of the extension (see the example code there). The most important part of the German text is that this example there was designed only to read from the db. If you want to create new pages using the model, you have (at least) to add the TCA and setters in the model class to make it work.
Related
I am not able to embed the Address into Person. Controller and views are auto generated. When I click on create I just get a blank page instead of proper UI of grails.
package trydemo
class Person {
String name
Address address
static embedded = ['address']
static constraints = {
}
}
package trydemo
class Address {
String city
static constraints = {
}
}
How to use static embedded in grails 3.3.11?
Assuming you are using GORM For Hibernate, the code you show is correct and is how you use embedded in Grails 3.3.11 (or any other version).
The effect of using embedded in that way is the Address properties will be stored in the same table as the Person properties so when you retrieve a Person, there is no join or foreign key involved. All of the data to make a Person is in 1 row in 1 table.
Separate from that, you can organize your UI however you like.
Can I access old-style piBase classes and methods from my Extbase extension?
For example, can I create an AccessMyoldExtensionService.php Service as a wrapper class and then pull the return values into my controller?
In my case, I need to return a list of old data records that can't be migrated to MVC style directly.
If so, what would the basic approach be?
To get access on the db records of your old extension you can map the table into your new extension.
Create a new model with matching properties of the needed table fields.
Create the mapping in TS setup.txt like
persistence{
[...]
classes{
Tx_YourNewExtension_Domain_Model_Bar {
mapping {
tableName = tableNameOfOldExtension
}
}
}
}
Create the related repository.
I have the following in a config.ini file: (Zend_Form_Element)
site_status.name = "site_status"
site_status.type = "select"
site_status.label = "Status"
site_status.options.multiOptions.active.key = "Active"
site_status.options.multiOptions.active.value = "Active"
site_status.options.multiOptions.active.key = "Inactive"
site_status.options.multiOptions.active.value = "Inactive"
As you can see this is supposed to be a dropdown (select) box, however it is being rendered as a standard text box. What am I doing wrong?
--> Edit
Rather than tying the elements to a form, I am trying to tie them to a database: In my code it would look something like this:
[{tablename}] // the table name would represent a section in the ini
{column}.name = "{column_name/form_field_id}";
{column}.type = "{form_element_type}"
{column}.label = "{form_element_label}"
...
From there I would pull in the database table(s) that the form would represent data for (one or more tables as necessary). As far as the reasoning for this approach is that (down the road), I want to define (either by ini or some other storage method), a configuration file that would be a list of fields/elements that belong to a specific form (that a non-programmer type could easily edit), that the 'generic' form class would read, pull in the element info, and create the form on the fly.
I do realize however this poses another problem which I haven't yet figured out, and that is how to use table lookups for select elements (without coding the database retrieval of the lookup into the form, so that a non-user could easily just define it without any programming, purely configuration, but that is a whole other topic not part of my question here. (and I think I have viable ideas/solutions to that part of the problem anyhow) -- extra config entries and a generic routine pretty much.
I hope that clarifies my thought process and reason why I am doing it the way I am in the example above.
I have not yet played with using a Zend_Config to construct an instance of Zend_Form.
But a look at the code suggests that Zend_Form::addElement() doesn't directly take a Zend_Config instance as a param. Rather, it looks like you need pass your Zend_Config instance to the form constructor. It also seems that the config format needs to be a little deeper in order to map config keys to setXXX() calls.
In path/to/config/myForm.ini:
[myForm]
myForm.elements.site_status.name = "site_status"
myForm.elements.site_status.type = "select"
myForm.elements.site_status.label = "Status"
myForm.elements.site_status.options.multiOptions.active.key = "Active"
myForm.elements.site_status.options.multiOptions.active.value = "Active"
myForm.elements.site_status.options.multiOptions.inactive.key = "Inactive"
myForm.elements.site_status.options.multiOptions.inactive.value = "Inactive"
Then instantiating:
$formConfig = new Zend_Config_Ini('path/to/config/myForm.ini', 'myForm');
$form = new Zend_Form($formConfig);
Not tested, but looking at this example:
Using Zend_Form with Zend_Config - Andrew Vayanis
it feels like it should go something like the above.
Update
In view of the comments/feedback from #Aaron, two more approaches.
We could extend Zend_Form, implementing a method called something like addElementByConfig in which we would pass the shallow Zend_Config instance that describes the element itself. In fact, we could even just override addElement(), taking a recursive approach: if the first param is an instance of Zend_Config, then call addElement() using the component data.
If the atomicity and re-usability are the primary benefits we seek in using Zend_Config to describe an element, then perhaps we just make a custom element extending Zend_Form_Element. Then we could use these elements in any forms we wish.
This is my first post here, so I hope everything is fine.
Here is my problem:
I have a table in my database called UserTypes. It has:
ID;
IsPrivate;
Parent_ID;
The relevant ones are the first and the third one.
I have another table called UserTypes_T which has information for the different types, that is language specific. The fields are:
Language_ID;
UserType_ID;
Name;
What I'm trying to achieve is load the entire hierarchy from the UserTypes table and show it in a TreeView (this is not relevant for now). Then, by selecting some of the user types I can edit them in separate edit box (the name) and a combo box (the parent).
Everything works fine until I try to persist the changes in the database. EF has generated for me two entity classes for those tables:
The class for the user types has:
ID;
IsPrivate;
Parent_ID;
A navigational property for the self-reference (0..1);
A navigational property for the child elements;
Another navigational property for the UserTypes_T table (1..*);
The class for the translated information has:
UserType_ID;
Language_ID;
Name;
A navigational property to the UserTypes table (*..1);
A navigational property to the Languages table (*..1);
I get the data I need using:
return context.UserTypes.Include("UserTypes_T").Where(ut => ut.IsPrivate==false).ToList();
in my WCF Web service. I can add new user types with no problems, but when I try to update the old ones, some strange things happen.
If I update a root element (Parent_ID==null) everything works!
If I update an element where Parent_ID!=null I get the following error:
AcceptChanges cannot continue because the object’s key values conflict with another object in the ObjectStateManager.
I searched all over the internet and read the blog post from Diego B Vega (and many more) but my problem is different. When I change a parent user type, I actually change the Parent_ID property, not the navigational property. I always try to work with the IDs, not the generated navigational properties in order to avoid problems.
I did a little research, tried to see what is the object graph that I get and saw that there were lots of duplicate entities:
The root element had a list of its child elements. Each child element had a back reference to the root or to its parent and so on. You can imagine. As I wasn't using those navigational properties, because I used the IDs to get/set the data I needed, I deleted them from the model. To be specific I deleted points 4 and 5 from the UserTypes entity class. Then I had an object graph with each element only once. I tried a new update but I had the same problem:
The root element was updated fine, but the elements, that had some parents, threw the same exception.
I saw that I had a navigational property in the UserTypes_T entity class, pointing to a user type, so I deleted it too. Then this error disappeared. All the items in the object graph were unique. But the problem remained - I could update my root element with no problems, but when trying to update the children (with no exclusions) I got a null reference exception in the generated Model.Context.Extensions class:
if (!context.ObjectStateManager.TryGetObjectStateEntry(entityInSet.Item2, out entry))
{
context.AddObject(entityInSet.Item1, entityInSet.Item2);//here!
}
I tried to update only the name (which is in UserTypes_T) but the error is the same.
I'm out of ideas and I've been trying to solve this problem for 8 hours now, so I'll appreciate if someone gives me ideas or share their experience.
PS:
The only way I succeeded updating a child object was using the following code to retrieve the data:
var userTypes = argoContext.UserTypes.Include("UserTypes_T").Where(ut => ut.IsPrivate==false).ToList();
foreach (UserType ut in userTypes)
{
ut.UserType1 = null;
ut.UserTypes1 = null;
}
return userTypes;
where UserType1 is the navigational property, pointing to the parent user type and UserTypes1 is the navigational property, holding a list of the child element. The problem here was that EF "fixups" the objects and changes the Parent_ID to null. If I set it back again, EF sets the UserTypes1, too... Maybe there is a way to stop this behavior?
OK everybody, I just found what the problem was and I'm posting the answer if anybody else encounters the same issue.
The problem was that I was making some validation on the server in order to see if there isn't a circular reference between the user types. So, my method on the server looked something like:
using (MyEntities context = new MyEntities())
{
string errMsg = MyValidator.ValidateSomething(context.UserTypes,...);
if (!string.IsNullOrEmpty(errMsg)) throw new FaultException(errMsg);
//some other code here...
context.UserTypes.ApplyChanges(_userType);//_userType is the one that is updated
context.UserTypes.SaveChanges();
}
The problem is that when making the validation, the context is filled and when trying to save the changes, there are objects with the same key values.
The solution is simple - to use different context for validating things on the server:
using (MyEntities validationContext = new MyEntities())
{
//validation goes here...
}
using (MyEntities context = new MyEntities())
{
//saving changes and other processing...
}
Another one can be:
using (MyEntities context = new MyEntities())
{
using (MyEntities validationContext = new MyEntities())
{
//validation
}
//saving changes and other processing...
}
That's it! I hope it can be useful to somebody!
I'm using Entity Framework 4 and a Dynamic Data site to expose a bare-bones admin interface to a few users. Working pretty well in general, but I have run into this one problem on a couple of fields on my model.
Several tables have some audit-related fields - CreatedBy, CreatedDate, ModifiedBy, and ModifiedDate. These fields are required in the database and the associated models are marking the properties as non-nullable (all as it should be). However I am handing setting the values for these fields in code - the field templates for the field types mark these specific fields as disabled on the page, and in the SavingChanges event I set these fields to the appropriate values. All works great when I'm updating an existing item.
The problem comes in when I try to create a new item. I want these fields to remain empty on the page and be auto-populated by my code when submitted, but the Field Templates set up RequiredFieldValidators for these fields and won't let me submit them without a value. Normally this would be great, except that I want to prevent EF from validating these fields at the point of page submission.
I realize that I could mark the fields as nullable in the database and that would resolve the issue - it would probably even be just fine from the data standpoint, but I'm not comfortable with doing so - for one thing it's not unlikely that some of the models these fields appear on will be bulk loaded, possibly by someone else, at a later date. I would rather still have the database enforce the non-nullability of these fields. In the field templates I've tried moving the built-in SetUpValidator() call for the RequiredFieldValidator not to run when these specific fields are being loaded, and I've also tried disabling the RequiredFieldValidators and forcing their IsValid property to true. None of these actions allows me to submit the page.
Is there a way to tell EF/Dynamic Data to skip the validation for some fields?
EDIT
As noted below, I also tried marking them nullable in the model and not in the database, which caused an error: Problem in mapping fragments...Non-nullable column...in table...is mapped to a nullable entity property.
EDIT #2
I have found a solution that works, but requires modifying the auto-generated designer file for the entity set, which is fragile at best. I would love to know a "righter" way to do it, but if nothing becomes apparent in the next couple of days I'll post my own answer.
So here are the edits I found I had to make. When allowing the tool to create the entities in the edmx Designer.cs file I get properties like these:
for a datetime on the server side
[EdmScalarPropertyAttribute(EntityKeyProperty=false, IsNullable=false)]
[DataMemberAttribute()]
public global::System.DateTime CreatedDate
{
get
{
return _CreatedDate;
}
set
{
OnCreatedDateChanging(value);
ReportPropertyChanging("CreatedDate");
_CreatedDate = StructuralObject.SetValidValue(value);
ReportPropertyChanged("CreatedDate");
OnCreatedDateChanged();
}
}
for a varchar
[EdmScalarPropertyAttribute(EntityKeyProperty=false, IsNullable=false)]
[DataMemberAttribute()]
public global::System.String CreatedBy
{
get
{
return _CreatedBy;
}
set
{
OnCreatedByChanging(value);
ReportPropertyChanging("CreatedBy");
_CreatedBy = StructuralObject.SetValidValue(value, false);
ReportPropertyChanged("CreatedBy");
OnCreatedByChanged();
}
}
To make it work without validation for a DateTime property setting the IsNullable parameter of the EdmScalarPropertyAttribute to true is sufficient to avoid the issue. For the String property you also have to change the 2nd parameter of the SetValidValue method call to "true."
All of this said, the only reason that I'm leaving this as it is is because I don't expect to have to regenerated the entities more than once or twice before we move to a different platform for this site. And in this case, merging the version in I have checked in to git with the version generated by the tool allows me to avoid most of the headaches,
Here is my meta information for a read-only auto generated date field. I don't get validation controls validating these fields. Hope this helps.
[ReadOnly(true)]
[DataType(DataType.Date)]
[Column(IsDbGenerated = true, UpdateCheck = UpdateCheck.Never, AutoSync = AutoSync.Never)]
[UIHint("DateTime")]
[Display(Name = "Modified", Order = 1000)]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:d}")]
public object DateModified { get; private set; }