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Valeri Tandilashvili's Laravel Notes
Results: 71
redirect after saving
Redirects to 
/posts
(with success message) after successfully saving the post
public function store(Request $request)
{
    // Validating

    // Saving
    
    // Redirecting
    return redirect('/posts')->with('success', 'Post created');
}
request validation 
validate
method validates 
title
and 
name
fields
$request->validate([
    'title' => 'required|unique:posts|max:255',
    'name' => 'required',
]);
shared file for messages
Common file for 
errors
or session (
success
& 
error
) statuses. Then we can include the file inside blade template
@include('inc.messages')
Located at 
resources/views/inc/messages.blade.php
model pagination
In controller we have to use 
paginate
method
public function index()
{
    $posts = Post::orderBy('title', 'asc')->paginate(1);
    return $posts;
}
In blade template we will have pagination
{{$posts->links()}}
if there are less records then per page, pagination will not appear
DB::select 
public function index()
{
    $posts = DB::select('SELECT * FROM posts');
    return view('posts.index')->with('posts', $posts);
}
If we want to use the above query, we have to bring in the 
DB
class
use DB;
Model::where
Filters result using the 
where
method
public function index()
{
    $posts = Post::where('title', 'pst')->get();
    return view('posts.index')->with('posts', $posts);
}
Model::orderBy
Lists all records of the model ordered by 
title
descending
$posts = Post::orderBy('title', 'asc')->get();
return view('posts.index')->with('posts', $posts);
Model::all
Lists all records of the model
$posts = Post::All();
return view('posts.index')->with('posts', $posts);
set timestamps to true or false
Sets timestamps to false (default is 
true
)
class Post extends Model
{
    // Timestamps
    public $timestamps = false;
}
set primary key for model
Sets primary key for the model (default is 
id
)
class Post extends Model
{
    // Primary key
    public $primaryKey = 'record_id';
}
Results: 71