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    Laravel multitenancy guide

    This guide will walk you through implementing search in a multitenant Laravel application. We'll use the example of a customer relationship manager (CRM) application that allows users to store contacts.

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    This guide requires:

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    Models & relationships

    Our example CRM is a multitenant application, where each user can only access data belonging to their organization.

    On a technical level, this means:

    With that in mind, the first step is to define such these models and their relationship:

    In app/Models/Contact.php:

    <?php

namespace App\Models;

use Laravel\Scout\Searchable;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class Contact extends Model
{
    use Searchable;

    public function organization(): BelongsTo
    {
        return $this->belongsTo(Organization::class, 'organization_id');
    }
}

    In app/Models/User.php:

    <?php

namespace App\Models;

use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Laravel\Sanctum\HasApiTokens;

class User extends Authenticatable
{
    use HasApiTokens, Notifiable;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'name',
        'email',
        'password',
    ];

    /**
     * The attributes that should be hidden for serialization.
     *
     * @var array<int, string>
     */
    protected $hidden = [
        'password',
        'remember_token',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'email_verified_at' => 'datetime',
        'password' => 'hashed',
    ];

    public function organization()
    {
        return $this->belongsTo(Organization::class, 'organization_id');
    }
}

    And in app/Models/Organization.php:

    <?php
namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Organization extends Model
{
    public function contacts(): HasMany
    {
        return $this->hasMany(Contact::class);
    }
}

    Now you have a solid understanding of your application's models and their relationships, you are ready to generate tenant tokens.

    Generating tenant tokens

    Currently, all Users can search through data belonging to all Organizations. To prevent that from happening, you need to generate a tenant token for each organization. You can then use this token to authenticate requests to Meilisearch and ensure that users can only access data from their organization. All User within the same Organization will share the same token.

    In this guide, you will generate the token when the organization is retrieved from the database. If the organization has no token, you will generate one and store it in the meilisearch_token attribute.

    Update app/Models/Organization.php:

    <?php

namespace App\Models;

use DateTime;
use Laravel\Scout\EngineManager;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Facades\Log;

class Organization extends Model
{

    public function contacts(): HasMany
    {
        return $this->hasMany(Contact::class);
    }

    protected static function booted()
    {
        static::retrieved(function (Organization $organization) {
            // You may want to add some logic to skip generating tokens in certain environments
            if (env('SCOUT_DRIVER') === 'array' && env('APP_ENV') === 'testing') {
                $organization->meilisearch_token = 'fake-tenant-token';
                return;
            }

            // Early return if the organization already has a token
            if ($organization->meilisearch_token) {
                Log::debug('Organization ' . $organization->id . ': already has a token');
                return;
            }
            Log::debug('Generating tenant token for organization ID: ' . $organization->id);

            // The object belows is used to generate a tenant token that:
            // • applies to all indexes
            // • filters only documents where `organization_id` is equal to this org ID
            $searchRules = (object) [
                '*' => (object) [
                    'filter' => 'organization_id = ' . $organization->id,
                ]
            ];

            // Replace with your own Search API key and API key UID
            $meiliApiKey = env('MEILISEARCH_SEARCH_KEY');
            $meiliApiKeyUid = env('MEILISEARCH_SEARCH_KEY_UID');

            // Generate the token
            $token = self::generateMeiliTenantToken($meiliApiKeyUid, $searchRules, $meiliApiKey);

            // Save the token in the database
            $organization->meilisearch_token = $token;
            $organization->save();
        });
    }

    protected static function generateMeiliTenantToken($meiliApiKeyUid, $searchRules, $meiliApiKey)
    {
        $meilisearch = resolve(EngineManager::class)->engine();

        return $meilisearch->generateTenantToken(
            $meiliApiKeyUid,
            $searchRules,
            [
                'apiKey' => $meiliApiKey,
                'expiresAt' => new DateTime('2030-12-31'),
            ]
        );
    }
}

    Now the Organization model is generating tenant tokens, you need to provide the front-end with these tokens so that it can access Meilisearch securely.

    Using tenant tokens with Laravel Blade

    Use view composers to provide views with your search token. This way, you ensure the token is available in all views, without having to pass it manually.

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    If you prefer, you can pass the token manually to each view using the with method.

    Create a new app/View/Composers/AuthComposer.php file:

    <?php

namespace App\View\Composers;

use App\Models\User;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Vite;
use Illuminate\View\View;

class AuthComposer
{
    /**
     * Create a new profile composer.
     */
    public function __construct() {}

    /**
     * Bind data to the view.
     */
    public function compose(View $view): void
    {
        $user = Auth::user();
        $view->with([
            'meilisearchToken' => $user->organization->meilisearch_token,
        ]);
    }
}

    Now, register this view composer in the AppServiceProvider:

    <?php

namespace App\Providers;

use App\View\Composers\AuthComposer;
use Illuminate\Support\Facades\View;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     */
    public function register(): void
    {
        //
    }

    /**
     * Bootstrap any application services.
     */
    public function boot(): void
    {
        // Use this view composer in all views
        View::composer('*', AuthComposer::class);
    }
}

    And ta-da! All views now have access to the meilisearchToken variable. You use this variable in your front end.

    Building the search UI

    This guide uses Vue InstantSearch to build your search interface. Vue InstantSearch is a set of components and helpers to build a search UI in Vue applications. If you prefer other flavours of JavaScript, check out our other front-end integrations.

    First, install the dependencies:

    npm install vue-instantsearch @meilisearch/instant-meilisearch

    Now, create a Vue app that uses Vue InstantSearch. Open a new resources/js/vue-app.js file:

    import { createApp } from 'vue'
import InstantSearch from 'vue-instantsearch/vue3/es'
import Meilisearch from './components/Meilisearch.vue'

const app = createApp({
  components: {
    Meilisearch
  }
})

app.use(InstantSearch)
app.mount('#vue-app')

    This file initializes your Vue app and configures it to use Vue InstantSearch. It also registers the Meilisearch component you will create next.

    The Meilisearch component is responsible for initializing a Vue Instantsearch client. It uses the @meilisearch/instant-meilisearch package to create a search client compatible with Instantsearch.

    Create it in resources/js/components/Meilisearch.vue:

    <script setup lang="ts">
import { instantMeiliSearch } from "@meilisearch/instant-meilisearch"

const props = defineProps<{
  host: string,
  apiKey: string,
  indexName: string,
}>()

const { searchClient } = instantMeiliSearch(props.host, props.apiKey)
</script>

<template>
  <ais-instant-search :search-client="searchClient" :index-name="props.indexName">
    <!-- Slots allow you to render content inside this component, e.g. search results -->
    <slot name="default"></slot>
  </ais-instant-search>
</template>

    You can use the Meilisearch component it in any Blade view by providing it with the tenant token. Don't forget to add the @vite directive to include the Vue app in your view.

    <!-- resources/views/contacts/index.blade.php -->

<div id="vue-app">
    <meilisearch index-name="contacts" api-key="{{ $meilisearchToken }}" host="https://edge.meilisearch.com">
    </meilisearch>
</div>

@push('scripts')
    @vite('resources/js/vue-app.js')
@endpush

    Et voilà! You now have a search interface that is secure and multitenant. Users can only access data from their organization, and you can rest assured that data from other tenants is safe.

    Conclusion

    In this guide, you saw how to implement secure, multitenant search in a Laravel application. You then generated tenant tokens for each organization and used them to secure access to Meilisearch. You also built a search interface using Vue InstantSearch and provided it with the tenant token.

    All the code in this guide is a simplified example of what we implemented in the Laravel CRM example application. Find the full code on GitHub.