I have a problem about table relationship in models. when I try to add hasMany relation there is an error popping up.
Call to undefined relationship [Plan100] on model [App\AllPlan].
This is the main table model places
protected $table = "places";
public $with = ["AllPlan"];
public function allplans()
{
return $this->hasMany("App\AllPlan");
}
And AllPlan table model
protected $table = "all_plans";
public function place()
{
return $this->belongsTo("App\Place");
}
No problem 'till here. I can see the AllPlan data inside the Places table on json response... But, the problem is popping up when I try to add hasMany relation into AllPlan table like below.
Now AllPlan table model looks like this.
protected $table = "all_plans";
public $with = [
"Plan100",
"Plan90",
];
public function place()
{
return $this->belongsTo("App\Place");
}
public function plan()
{
return $this->hasMany(
"App\Plan100",
"App\Plan90"
);
}
And the Plan100 table model look like this:
public function plan()
{
return $this->belongsTo("App\AllPlan");
}
But it's giving me an error. But I am not very sure where do I do wrong. Thank you.
Seems to me that you are trying to create two new relations, but this can't be done inside one function. Create two functions and refactor your code like this:
public function plan100()
{
return $this->hasMany(App\Plan100", 'foreign_key');
}
public function plan90()
{
return $this->hasMany(App\Plan90", 'foreign_key');
}
Related
I am writing a nested query with Laravel.
Namely First, the Truck information is drawn, then I list the data of the vehicle with "truck_history", there is no problem until here, but I want to show the information of the invoice belonging to the "invoice_id" in truck_history. but I couldn't understand how to query, I want to do it in the model, is this possible? If possible, how will it be done?
"ID" COLUMN IN INVOICE TABLE AND "invoice_id" in "InvoiceDetail" match.
TruckController
public function getTruck($id)
{
$truck = Truck::with(['truckHistory'])->find($id);
return $truck;
}
Truck Model
protected $appends = ['company_name'];
public function companys()
{
return $this->belongsTo(Contact::class, 'company_id', 'id');
}
public function getCompanyNameAttribute()
{
return $this->companys()->first()->name;
}
public function truckHistory(){
return $this->hasMany(InvoiceDetail::class,'plate_no','plate');
}
So you can add another relationship in the InvoiceDetail::class and add in the truck history.
try something like this:
public function truckHistory(){
return $this->hasMany(InvoiceDetail::class,'plate_no','plate')->with('Invoice');
}
Simply add the following relations (if you don't already have them):
Invoice model :
public function truckHistory()
{
return $this->hasOne(InvoiceDetail::class);
}
InvoiceDetail model :
public function invoice()
{
return $this->belongsTo(Invoice::class);
}
And you can get the relation invoice of the relation truckHistory adding a point as separator :
public function getTruck($id)
{
$truck = Truck::with(['truckHistory.invoice'])->find($id);
return $truck;
}
I am having some problems retrieving data in a one-to-one relationship.
I have this existing Table and I want to retrieve the data from rfp_details.
here is my code
//rfpmain model
protected $table = 'accounting.request_for_payment';
public function rfpDetail(){
return $this->hasOne(RfpDetail::class);
}
//rfp detail model
protected $table = 'accounting.rfp_details';
public function rfpMain(){
return $this->belongsTo(RfpMain::class);
}
//rfp controller
public function show($id)
{
$rfpMain = RfpMain::findOrFail($id);
$rd = $rfpMain->rfpDetails;
dd($rd);
}
below is the structure of my existing database
you need to define the foreign key in your relationship because if you can't define it then it will take the default value which is different in your case.
You need to replace from
public function rfpDetail(){
return $this->hasOne(RfpDetail::class);
}
To
public function rfpDetail(){
return $this->hasOne(RfpDetail::class,'rfpid');
}
let's say that I want to get the author's name inside the book model
// app/Book.php
protected $appends = ['author_name'];
public function author() {
return belongsTo(Author::class, 'author_id');
}
public function getAuthorNameAttribute() {
return $this->author->name;
}
but this would append the whole author collection to the final book collection as well, that would bump up the loading time when trying to load like 100 books, right now I work it around by removing the author after getting the name like this
// app/Book.php
protected $appends = ['author_name'];
public function author() {
return belongsTo(Author::class, 'author_id');
}
public function getAuthorNameAttribute() {
$authorName = $this->author->name;
unset($this->author);
return $authorName;
}
is there a better way to do it? or did I miss any function from eloquent?
Cheers
Try to add following code in your app/Book.php
// app/Book.php
protected $hidden = ['author'];
I'm building a small application on laravel 5.4 where I'm having following models and relationship:
Interaction Model:
public function contactsAssociation()
{
return $this->belongsToMany('App\Contact', 'contact_interaction', 'interaction_id', 'contact_id')->withPivot('company_id')->withTimestamps();
}
Contact Model:
public function company()
{
return $this
->belongsToMany('App\Company', 'company_contact','contact_id', 'company_id')->withTimestamps();
}
and Company Model:
public function contacts()
{
return $this->belongsToMany('App\Contact', 'company_contact', 'company_id','contact_id');
}
Now I'm fetching some data something like this:
$tempData['contacts'] = $interaction->contactsAssociation()->with('company')->get();
I want to extract company data from the pivot table which is mentioned in the relationship. Currently I can't find solution so I have to do:
$tempData['contacts'] = $interaction->contactsAssociation()->get();
$companies = [];
foreach($tempData['contacts'] as $contact)
{
$companies[] = Company::find($contact->pivot->company_id);
}
$tempData['company'] = $companies;
Guide me on this, thanks,
You can pass an array to the withPivot() function with every field you want to retrieve:
public function contactsAssociation()
{
return $this->belongsToMany('App\Contact', 'contact_interaction', 'interaction_id', 'contact_id')
->withPivot(['company_id', 'other_field'])
->withTimestamps();
}
Hope this helps you.
The question in short:
"pages" and "tasks" have a many-to-many relationship linked by the pivot table "page_tasks". The table "responses" is linked to that pivot table by the foreign key "page_task_id".
Now I want to be able to access the page and the task a response belongs to directly with Eloquent. However the hasManyThrough function does not work, as it exspects the foreign_keys at different places:
public function task(){
return $this->hasManyThrough('PageTask', 'Task', 'page_task_id', 'task_id');
}
Unknown column 'tasks.page_task_id' in 'field list'
This means that eloquent exspects the task table having a foreign key page_task_id pointing to page_tasks. But in my model the page_tasks table has a foreign key task_id pointing to tasks. How do I tell eloquent that fact?
An other approach I tried was to use existing relations that were previously defined:
public function task(){
return $this->page_task->task();
}
This however tells me that there is no methoid called "task".
What would the recommended way be to achieve this? What am I doing wrong?
Here are some more details if needed:
"pages" and "tasks" have a many-to-many relationship with pivot table page_tasks linking it.
Page-Model:
class Page extends Model {
public function tasks(){
return $this->belongsToMany('Task', 'page_tasks');
}
}
Task-Model:
class Task extends Model {
public function pages()
{
return $this->belongsToMany('Page', 'page_tasks');
}
}
This works fine.
Response-Model looks like this
class Response extends Model {
protected $fillable = [
'page_task_id',
];
public function page_task(){
return $this->belongsTo('App\PageTask', 'page_tasks');
}
public function task(){
??????
}
}
PageTask-Model looks like this:
class PageTask extends Model {
protected $fillable = [
'page_id',
'task_id',
];
public function page(){
return $this->belongsTo('Page');
}
public function task(){
return $this->belongsTo('Task');
}
public function responses(){
return $this->hasMany('Response');
}
}