How to copy image upload function from UserController to LinkController - php

Question

I have UserController which has this function to upload users avatar:
public function update_avatar(Request $request){
if($request->hasFile('avatar')){
$avatar = $request->file('avatar');
$filename = time() . '.' . $avatar->getClientOriginalExtension();
Image::make($avatar)->fit(300, 300)->save( public_path('/uploads/avatars/' . $filename ) );
$user = Auth::user();
$user->avatar = $filename;
$user->save();
}
return redirect()->back()
->with(['success' => 'Profile picture updated!']);
}
Now, each user can make and edit his links (Kind of like Linktree) and I want to add an option where they can upload a custom icon for their links. This is the code which I came up with and it successfully uploads my file to desired path but it fails to write it to Links Table. Here is the code:
public function custom_icon(Request $request){
if($request->hasFile('icon')){
$uploaded_icon = $request->file('icon');
$filename = time() . '.' . $uploaded_icon->getClientOriginalExtension();
Image::make($uploaded_icon)->fit(300, 300)->save( public_path('/img/icons/' . $filename ) );
$link = Auth::user()->link()
$link->icon = $filename;
$link->save();
}
return redirect()->back()
->with(['success' => 'Custom icon uploaded!']);
}
Now, I am new to coding and I have no idea how to add similar code like this to LinkController
$user = Auth::user();
I tried a few things but nothing works. This is one example:
$link = Auth::user()->link()
Note that the link edit page is opened by links id so maybe I am failing to add a good route?
Here is web.php
Route::get('/links', [LinkController::class, 'index']);
Route::get('/links/new', [LinkController::class, 'create'])->middleware('verified');
Route::post('/links/new', [LinkController::class, 'store']);
Route::get('/links/{link}', [LinkController::class, 'edit']);
Route::post('/links/{link}', [LinkController::class, 'update']);
Route::delete('/links/{link}', [LinkController::class, 'destroy']);
Route::post('/links/{link}', [LinkController::class, 'custom_icon']);
User model:
<?php
namespace App\Models;
use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Laravel\Sanctum\HasApiTokens;
class User extends Authenticatable implements MustVerifyEmail
{
use HasApiTokens, HasFactory, Notifiable;
/**
* The attributes that are mass assignable.
*
* #var array<int, string>
*/
protected $fillable = [
'username',
'name',
'email',
'password',
'tittle',
'bio',
'bio_show',
'bio_on',
'bio_off',
'background_color',
'button_border_radius',
'button_text_color',
'button_color',
'text_color',
'editable_link',
'vcard_prefix',
'vcard_first_name',
'vcard_middle_name',
'vcard_last_name',
'vcard_suffix',
'vcard_email',
'vcard_second_email',
'vcard_personal_number',
'vcard_work_number',
'vcard_company',
'vcard_job',
'vcard_address',
'vcard_website',
'vcard_second_website',
'vcard_show',
'vcard_on',
'vcard_off'
];
/**
* The attributes that should be hidden for serialization.
*
* #var array<int, string>
*/
protected $hidden = [
'password',
'remember_token',
];
public function links()
{
return $this->hasMany(Link::class);
}
public function visits()
{
return $this->hasManyThrough(Visit::class, Link::class);
}
public function getRouteKeyName() {
return 'username';
}
}

Answer 1

The Auth::user() returns you the User model. With the code Auth::user()->link() you call the link() method in your User model. But there is no such method in your User model.
If you want to get the last Link, you can add a method like this in your User model:
public function link() {
return $this->hasOne(Link::class)->latestOfMany();
}