Laravel 5.2 Model Relationships - php

Question

im new to Laravel and have a relationship question.
The goal is to get all News where news.page_id = page.id AND page.pagetype_id = pagetype.id WHERE pagetype.component = news AND page.app_id = 1
class News extends Model
{
protected $table = 'news';
protected $fillable = ['page_id', 'title', 'description', 'active', 'created_at', 'updated_at'];
}
class Page extends Model
{
protected $table = 'pages';
protected $fillable = ['app_id', 'unique_id', 'pagetype_id', 'title', 'picture_url', 'short_description', 'description', 'valid_since', 'valid_until', 'extras', 'active', 'created_at', 'updated_at'];
public function pagetype() {
return $this->belongsTo('App\Models\PageType', 'pagetype_id');
}
}
class PageType extends Model
{
protected $table = 'pagetypes';
protected $fillable = ['pagetype', 'component', 'active', 'created_at', 'updated_at'];
public function page() {
return $this->belongsToMany('App\Models\Page', 'pagetypes', 'id', 'id');
}
}
// now i need All News Items where page.pagetype_id = pagetypes.id and patchtypes.component = news
// First Attempts are
Page::whereHas('pagetype', function ($q) {
$q->where('component', 'news');
})->where(['app_id' => 1])->get();
// result is all Pages which has the proper component news.
This is what i have tried yet, but in my attempt i'll only receive the proper pages but of course not the news.
My "current" solution is to get all the pages and then loop through News::where('page_id', $myPageId). But im pretty sure its possible to get a proper relationship to get also news.
I cant do any other model since there are many different pagetypes and components aswell.
Thanks so far.

Answer 1

You need to add relationship function to news model.
public function pages() {
return $this->belongsTo('App\Models\Page');
}
And call it through News model.
News::with('pages')->where('app_id',1);

Answer 2

First off all I think that you are wrong with you PageType relation
class PageType extends Model
{
protected $table = 'pagetypes';
protected $fillable = ['pagetype', 'component', 'active', 'created_at', 'updated_at'];
public function page() {
return $this->hasMany('App\Models\Page');
// if i understood you correctly you haven't got any pivot table
}
}
Then you should link your News and Page like so
News.php
class News extends Model
{
protected $table = 'news';
protected $fillable = ['page_id', 'title', 'description', 'active', 'created_at', 'updated_at'];
public function page() {
return $this->belongsTo('App\Models\Page');
}
}
Page.php
class Page extends Model
{
protected $table = 'pages';
protected $fillable = ['app_id', 'unique_id', 'pagetype_id', 'title', 'picture_url', 'short_description', 'description', 'valid_since', 'valid_until', 'extras', 'active', 'created_at', 'updated_at'];
public function pagetype() {
return $this->belongsTo('App\Models\PageType');
}
public function news() {
return $this->hasMany('App\Models\News');
}
}
Then you can achieve your goal
News::whereHas('page', function($q) use($appId) {
$q->where('app_id',$appId);
})->whereHas('page.pagetype', function($q) {
$q->where('component', 'news');
})->get();