in codeigniter i can set method for dynamic delete like this code.in laravel how can i set this method for dynamic delete method.Thanks
in controller function
public function Delete($id)
{
if ($this->process_model->DynamicDelete($id, "interest_statement")) {
//
}
}
in model function
public function DynamicDelete($id, $table)
{
$this->db->delete($table, ['id' => $id]);
return TRUE;
}
you can use route as like below:
Route::get('yourroute/{info}','Yourcontrolller#Yourmethod');
and use this route in view page where from request get:
{{ URL::to('/yourroute/'.$id.'&your_table')}}
and finally you write a function in your controller
public function Yourmethod($info){
$explode=explode('&',$info);
DB::table($explode[1])->where('id',$explode[0])->delete();
Session::flash('flash_message', 'Your Data Delete Successfully');
return back();
}
Thank you
In Laravel, you can use Raw Query (Database: Query Builder)
Example:
Table: users
Condition: votes > 100
DB::table('users')->where('votes', '>', 100)->delete();
In your case:
public function DynamicDelete($id, $table) {
return DB::table($table)->where('id', '=', $id)->delete();
}
Related
I have a Post/Category manyToMany relations and would like to be able to attach a default category named "Uncategorised" to each new post that is created. How can I do that? A BelongsToMany method only works on the Details page, not on Create page.
BelongsToMany::make(__('Categories'), 'categories', Category::class),
You can also set default value to your database field so that you can omit passing category and will be taken default to Uncategorised like if you are using MySQL you can do it this way by creating migration
$table->text('category')->default(0);
Because the BelongsToMany not show on mode create in Post Nova model. So we have to make our custom Select, by add this code to your fields:
public function fields(Request $request)
{
if($request->editMode=="create"){
$categories = \App\Category::get(['id','name']);
$options = [];
foreach($categories as $value){
$options[$value->id] = $value->name;
}
return [
ID::make()->sortable(),
Text::make('Title'),
Text::make('Summary'),
Textarea::make('Content'),
Select::make('Categories', 'category_id')
->options($options)
->displayUsingLabels()
->withMeta(['value' => 1]) // 1 = id of Uncategorised in categories table
];
}
return [
ID::make()->sortable(),
Text::make('Title'),
Text::make('Summary'),
Textarea::make('Content'),
BelongsToMany::make('Categories','categories')->display('name'),
];
}
Don’t forget relationship function in both, Post and Category model:
class Post extends Model
{
public function categories(){
return $this->belongsToMany(Category::class, 'category_post', 'post_id', 'category_id');
}
}
And:
class Category extends Model
{
public function posts(){
return $this->belongsToMany(Post::class,'category_post', 'category_id', 'post_id');
}
}
Then, custom the function process the data on mode Create of Post resource page, it’s at nova\src\Http\Controllers\ResourceStoreController.php, change function handle to this:
public function handle(CreateResourceRequest $request)
{
$resource = $request->resource();
$resource::authorizeToCreate($request);
$resource::validateForCreation($request);
$model = DB::transaction(function () use ($request, $resource) {
[$model, $callbacks] = $resource::fill(
$request, $resource::newModel()
);
if ($request->viaRelationship()) {
$request->findParentModelOrFail()
->{$request->viaRelationship}()
->save($model);
} else {
$model->save();
// your code to save to pivot category_post here
if(isset($request->category_id)&&($resource=='App\Nova\Post')){
$category_id = $request->category_id;
$post_id = $model->id;
\App\Post::find($post_id)->categories()->attach($category_id);
}
}
ActionEvent::forResourceCreate($request->user(), $model)->save();
collect($callbacks)->each->__invoke();
return $model;
});
return response()->json([
'id' => $model->getKey(),
'resource' => $model->attributesToArray(),
'redirect' => $resource::redirectAfterCreate($request, $request->newResourceWith($model)),
], 201);
}
}
All runs well on my computer. A fun question with me! Hope best to you, and ask me if you need!
What I ended up doing was saving the data on Post Model in boot().
public static function boot()
{
parent::boot();
static::created(function (Post $post) {
$post->categories()->attach([1]);
});
}
I want to call a function in another controller. when i call this gives me an error.
Call to undefined method Illuminate\Database\Query\Builder::defaultBuckets()
I dont know why it gives me this error. I don't know i am calling this function rightly in another controller. Here is my code. Please Help.
Here is my function i created in my BucketController:
public function defaultBuckets()
{
$buckets = Bucket::where('bucket_type', 'default')->get();
}
And here is my Profile controller function Where i call this function:
public function show(User $user)
{
$authUser = JWTAuth::parseToken()->toUser();
if (! $user->isBlocking($authUser) && ! $user->isBlockedBy($authUser)) {
if($authUser->id == $user->id){
$profile = $user->where('id', $user->id)->defaultBuckets()->with([
'posts', 'likes', 'followers', 'following'])->first();
} else{
$profile = $user->where('id', $user->id)->with([
'posts' => function ($query) {
$query->where('post_type', 'public');
},
'buckets' => function ($query) {
$query->where('bucket_type', 'public');
},
'likes' => function ($query) {
$query->where('post_type', 'public');
},
'followers', 'following'])->first();
}
return response()->json(['profile'=> $profile], 200);
}
return response()->json(['message'=> 'Your are not able to open profile of this user'], 200);
}
I Think there is mistake. You said you have this function in your BucketController
public function defaultBuckets()
{
$buckets = Bucket::where('bucket_type', 'default')->get();
}
and then you are firing the function from user model in your ProfileController
$profile = $user->where('id', $user->id)->defaultBuckets()->with([
'posts', 'likes', 'followers', 'following'])->first();
That is the reason it says that there is no function named "defaultBuckets".
You have to put this function in your User model and everything will work fine.
Also don't forget to return the buckets as well like this:
To return all buckets
public function defaultBuckets()
{
$buckets = Bucket::where('bucket_type', 'default')->get();
return $buckets; // all buckets
}
To return a user's buckets only
public function defaultBuckets()
{
return $this->hasMany(Bucket::class)->where('bucket_type', 'default');
}
Make sure to accept the relationship from user in bucket model like this:
public function user(){
return $this->hasOne(User::class, 'bucket_id' , 'user_id');
}
You can replace column names (bucket_id,user_id) according to your database.
Let me know if this fixes your problem
I defined slug for single DB in a column of structure DB. When I will call the slug in route, Could I get slug from another model (e.g. structure here) in route?
The route is:
localhost:8000/api/singles/firstTest
I defined getRouteKeyName function in Single model:
public function structure()
{
return $this->belongsTo(Structure::class);
}
public function getRouteKeyName()
{
return $this->structure()->select('slug')->first();
}
In your controller you will get the firstTest as route param if you have specified route as :
Route::get('api/singles/{slug}', 'SomeController#someAction');
Then controller :
public function someAction(Request $request, $slug)
{
// Perform validations and policy authorization if required
$id = Single::whereHas('structure', function ($query) use($slug) {
$query->where('slug', '=', $slug);
})->first();
if(!$id){
abort(404);
}
// Process the data using $id obtained above
}
Hello i am trying to loop posts that are associated to each category by the slug. It works when i use the ids but when i change my controller function to search by slug it retrieves the slug but does not load the foreach loop.
I have tried so many methods and i don't know where i am going wrong please help.
Category Model :
protected $table = 'post_categories';
public function posts()
{
return $this->hasMany('App\Post', 'id', 'name', 'catslug');
}
Post Model
public function user()
{
return $this->belongsTo('App\User');
}
public function postCategories()
{
return $this->belongsTo('App\PostCategory');
}
Controller
public function getPostCategory($catslug) {
$postCategories = PostCategory::with('posts')
->orderBy('name', 'asc')
->where('catslug', '=', $catslug)
->first();
return view ('articles.category.categoriesposts')->with('postCategories', $postCategories);
}
Route
Route::get('articles/category/{catslug}', [
'uses' => 'ArticlesController#getPostCategory' ,
'as' => 'PostCategory'
] );
View
#foreach($postCategories->posts as $post)
<h4>{{ substr($post->title, 0, 50) }}</h4>
<p>{{ substr($post->body, 0, 90) }}</p>
#endforeach
When i use id there is no problem i cant see what i am doing wrong any feedback will be truly appreciated
Thanks
Ash
Save category id in posts table insted of category name or slug.
Change in post category model:
public function posts()
{
return $this->hasMany('App\Post', 'category_id');
}
Your controller method:
public function getPostCategory($catslug)
{
$postCategories = PostCategory::with('posts')->where('catslug', $catslug)->first();
return view('articles.category.categoriesposts')->with('postCategories', $postCategories);
}
If you want to order posts by name then add orderBy() in relationship :
public function posts()
{
return $this->hasMany('App\Post', 'category_id')->orderBy('name', 'asc');
}
I've got a query to get messages:
public function getMessagesFor($id)
{
$messages = Message::where(function($q) use ($id) {
$q->where('from', auth()->id());
$q->where('to', $id);
})->orWhere(function($q) use ($id) {
$q->where('from', $id);
$q->where('to', auth()->id());
})->get();
}
and this logic works as it should, no errors all is ok. Now I want to get messages directly via model relatioship with other user (not authenticated one)
so in User model I wrote:
public function messages()
{
return $this->hasMany(Message::class, 'to', 'id')
->where('messages.from', auth()->id());
}
And this basically gives the same result as first where clause in getMessages function. This relatioship works ok.
The problem is that I don't know how to code the second part of where clause. I don't have access to $id in my model so how should I approach to this? Any ideas how to code it?
edit: message migration:
Schema::create('messages', function (Blueprint $table) {
$table->increments('id');
$table->integer('from')->unsigned();
$table->integer('to')->unsigned();
$table->boolean('read')->default(false);
$table->integer('offer_id')->nullable();
$table->mediumText('body')->nullable();
$table->timestamps();
});
So I think the problem is the model relationship (user) is already set to get message where the user is the message reciever(to),
$this->hasMany(Message::class, 'to', 'id')
so you need to define another relationship to get messages where the user is the sender (from), so you have this
//user is reciever
public function sentMessages() {
return $this->hasMany(Message::class, 'to', 'id')
->where('messages.from', auth()->id()); }
//user is sender
public function recievedMessages() {
return $this->hasMany(Message::class, 'from', 'id')
->where('messages.to', auth()->id()); }
Anyway I advise you go with your first approach.
Okay, so adding your final soultion to get messages
//get all messages with
$this->sentMessages->merge($this->recievedMessages)