Laravel Nova

Laravel Nova is a beautiful, flexible, and powerful administration panel for Laravel applications, developed by the Laravel team itself. It provides an elegant way to manage your database records, perform actions, and gain insights into your application's data without writing a lot of frontend code. Nova is designed to be highly customizable and extensible, allowing developers to tailor the admin experience to their specific needs.

Key Features and Concepts:

* Resources: At its core, Nova represents your Eloquent models as "Resources." Each resource defines how a specific model (e.g., `User`, `Product`, `Post`) is displayed and managed within the Nova admin panel. You define which fields are visible, how they're edited, and any relationships.
* Fields: Resources are composed of various "Fields" that map directly to your model's attributes. Nova comes with a wide array of built-in field types like `Text`, `Textarea`, `Number`, `Boolean`, `Select`, `Image`, `File`, `BelongsTo`, `HasMany`, etc., making it easy to display and edit different data types.
* Actions: Actions allow you to perform tasks on one or more selected resources. For example, you might have an action to "Publish Post," "Approve User," or "Export Records." Actions can be run in the background as queued jobs.
* Filters: Filters provide a way to narrow down the resources displayed on an index page. For instance, you could filter users by their "status" (active, inactive) or posts by "category."
* Lenses: Lenses offer alternative views of your resource data, allowing you to define complex queries and display custom aggregations or subsets of data that aren't easily achieved with standard filters.
* Metrics: Metrics provide valuable insights into your application's data through various display types like value metrics (e.g., "Total Users"), trend metrics (e.g., "New Users This Week"), and partition metrics (e.g., "Users by Role").
* Tools: For highly custom functionality that doesn't fit into the existing Nova paradigms, you can build custom "Tools." These allow you to embed any Vue.js component or static HTML within the Nova interface.
* Customization: Nova is built on Vue.js and Tailwind CSS, making it highly extensible. You can customize almost every aspect, from creating custom fields and tools to modifying the dashboard and login screen.

How it Integrates:
Nova installs as a Composer package into your existing Laravel application. Once installed, you define your Nova resources, actions, filters, etc., in `app/Nova`. It automatically discovers and registers these components, providing a dedicated admin URL (typically `/nova`) where you can log in and manage your application's data.

Target Audience:
Laravel Nova is ideal for developers and teams looking to quickly build powerful, professional-grade admin panels for their Laravel applications without investing significant time in frontend development. It's particularly useful for SaaS products, internal tools, and any application requiring robust data management. It's important to note that Nova is a commercial product and requires a license.

<?php

namespace App\Nova;

use Illuminate\Http\Request;
use Laravel\Nova\Fields\ID;
use Laravel\Nova\Fields\Text;
use Laravel\Nova\Fields\Email;
use Laravel\Nova\Fields\Boolean;
use Laravel\Nova\Fields\DateTime;
use Laravel\Nova\Http\Requests\NovaRequest;

class User extends Resource
{
    /
     * The model the resource corresponds to.
     *
     * @var string
     */
    public static $model = \App\Models\User::class;

    /
     * The single value that should be used to represent the resource when it's displayed.
     *
     * @var string
     */
    public static $title = 'name';

    /
     * The columns that should be searched.
     *
     * @var array
     */
    public static $search = [
        'id', 'name', 'email',
    ];

    /
     * Get the fields displayed by the resource.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function fields(Request $request)
    {
        return [
            ID::make()->sortable(),

            Text::make('Name')
                ->sortable()
                ->rules('required', 'max:255'),

            Email::make('Email')
                ->sortable()
                ->rules('required', 'email', 'max:255')
                ->creationRules('unique:users,email')
                ->updateRules('unique:users,email,{{resourceId}}'),

            Boolean::make('Email Verified', function () {
                return $this->email_verified_at !== null;
            })->onlyOnIndex(), // Only show on index page, not editable directly

            DateTime::make('Email Verified At')
                ->hideFromIndex(), // Hide from index, show on detail/edit
            
            DateTime::make('Created At')
                ->exceptOnForms()
                ->sortable(),

            DateTime::make('Updated At')
                ->exceptOnForms()
                ->sortable(),

            // Example of a relationship field (assuming a 'posts' relationship exists on User model)
            // HasMany::make('Posts'),
        ];
    }

    /
     * Get the cards available for the request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function cards(Request $request)
    {
        return [];
    }

    /
     * Get the filters available for the resource.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function filters(Request $request)
    {
        return [];
    }

    /
     * Get the lenses available for the resource.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function lenses(Request $request)
    {
        return [];
    }

    /
     * Get the actions available for the resource.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function actions(Request $request)
    {
        return [];
    }
}