ldc-dam/app/Models/Sujet.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Sujet extends Model
{
    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'codeSujet';

    /**
     * Indicates if the IDs are auto-incrementing.
     *
     * @var boolean
     */
    public $incrementing = false;

    /**
     * The attributes that should be cast.
     *
     * @var array
     */
    protected $casts = [
        'sujet_dam' => 'bool'
    ];

    // * RELATIONSHIPS

    /**
     * BelongsToMany users relation
     *
     * The users that belong to the sujet.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function users()
    {
        return $this->belongsToMany(User::class);
    }

    /**
     * HasMany dossiers relation
     *
     * Get the dossier for the sujet.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function dossiers()
    {
        return $this->hasMany(Dossier::class);
    }

    /**
     * HasMany variantes relation
     *
     * Get the variantes for the sujet.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function variantes()
    {
        return $this->hasMany(Variante::class, 'sujet_id', 'codeSujet');
    }

    /**
     * HasMany typeVues relation
     *
     * Get the typeVue for the sujet.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function typeVues()
    {
        return $this->hasMany(TypeVue::class, 'sujet_id', 'codeSujet');
    }

    /**
     * HasMany media relation
     *
     * Get the media for the sujet.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function mediaList()
    {
        return $this->hasMany(Media::class);
    }

    /**
     * BelongsToMany formats relation
     *
     * The formats that belong to the sujet.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function formats()
    {
        return $this->belongsToMany(Format::class, 'sujet_format', 'sujet_id');
    }

    /**
     * HasMany recherches relation
     *
     * Get the recherches for the sujet.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function recherches()
    {
        return $this->hasMany(Recherche::class);
    }
}