Laravel Vuejs combat: almost known development (22) Follow user

Prior to assembly of vue, first solve logic code, and then use the reconstructed vue.

Users can refer to concerns about:

Laravel 6 Tutorial: Build a Follow UnFollow System in PHP from Scratch

Recommended expansion pack: Laravel the Follow System 5

Laravel 6 | Follow Unfollow System Example From Scratch

Laravel - Follow Unfollow System Example

Laravel concern among users

1. To establish the user's attention to user tables followers

Excuting an order:

  1 php artisan make:migration create_followers_table

****_create_followers_table.php:

  1 <?php
  2 
  3 use Illuminate\Database\Migrations\Migration;
  4 use Illuminate\Database\Schema\Blueprint;
  5 use Illuminate\Support\Facades\Schema;
  6 
  7 class CreateFollowersTable extends Migration
  8 {
  9     /**
 10      * Run the migrations.
 11      *
 12      * @return void
 13      */
 14     public function up()
 15     {
 16         Schema::create('followers', Function (the Blueprint Table $) {
 . 17              $ the table-> bigIncrements (' id ');
 18 is              $ the table-> unsignedBigInteger (' user_id ') -> index () -> Comment ( " user id of attention ") ;
 . 19              $ the table-> unsignedBigInteger ( ' follower_id ') -> index () -> Comment ( " fan user ID ");
 20 is              $ the table-> timestamps ();
 21 is          });
 22 is      }
 23 is  
24      / **
 25       * Reverse the migrations.
 26      *
 27      * @return void
 28      */
 29     public function down()
 30     {
 31         Schema::dropIfExists('followers');
 32     }
 33 }
 34 
 35 

_create_followers_table.php

Then execute:

  1 php artisan migrate

2. Add to User.php association model [in]

  1 / ** user fan
   2   * @return \ Illuminate \ Database \ Eloquent \ Relations \ BelongsToMany
   . 3   * /
   . 4 public function followers ()
   . 5 {
   . 6      // A foreign key is a fan of ID
   . 7      return $ this-> belongsToMany (Self class ::, 'followers', 'follower_id', 'user_id') -> withTimestamps ();
   . 8 }
   . 9  
10  
. 11 oF / ** concern to the user
 12 is   * @return \ Illuminate \ Database \ Eloquent \ Relations \ BelongsToMany
 13 is   * /
 14 public function following ()
 15 {
 16      // is a foreign key of the ID
 . 17     return $this->belongsToMany(self::class, 'followers', 'user_id', 'follower_id')->withTimestamps();
 18 }
 19