From f6135d75d8324afc58f8c91c22ef7143dbdd2264 Mon Sep 17 00:00:00 2001
From: Piotr Jura <jura.piotrek@gmail.com>
Date: Tue, 30 May 2023 16:41:40 +0200
Subject: [PATCH] Job applications with only salary

---
 job-board/app/Exceptions/Handler.php          |  6 +-
 .../Controllers/JobApplicationController.php  | 29 ++++++++
 .../app/Http/Controllers/JobController.php    |  2 +-
 job-board/app/Models/Job.php                  | 15 ++++
 job-board/app/Models/JobApplication.php       | 24 +++++++
 job-board/app/Models/User.php                 |  6 ++
 job-board/app/Policies/JobPolicy.php          | 72 +++++++++++++++++++
 .../app/Providers/AuthServiceProvider.php     |  4 +-
 .../factories/JobApplicationFactory.php       | 23 ++++++
 ...9_111115_create_job_applications_table.php | 33 +++++++++
 job-board/database/seeders/DatabaseSeeder.php | 10 ++-
 .../views/components/layout.blade.php         | 22 +++++-
 job-board/resources/views/job/show.blade.php  | 12 ++++
 .../views/job_application/create.blade.php    | 26 +++++++
 job-board/routes/web.php                      |  8 ++-
 15 files changed, 284 insertions(+), 8 deletions(-)
 create mode 100644 job-board/app/Http/Controllers/JobApplicationController.php
 create mode 100644 job-board/app/Models/JobApplication.php
 create mode 100644 job-board/app/Policies/JobPolicy.php
 create mode 100644 job-board/database/factories/JobApplicationFactory.php
 create mode 100644 job-board/database/migrations/2023_05_29_111115_create_job_applications_table.php
 create mode 100644 job-board/resources/views/job_application/create.blade.php

diff --git a/job-board/app/Exceptions/Handler.php b/job-board/app/Exceptions/Handler.php
index 56af264..570fac7 100644
--- a/job-board/app/Exceptions/Handler.php
+++ b/job-board/app/Exceptions/Handler.php
@@ -2,7 +2,9 @@
 
 namespace App\Exceptions;
 
+use Illuminate\Auth\Access\AuthorizationException;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
+use Illuminate\Http\Request;
 use Throwable;
 
 class Handler extends ExceptionHandler
@@ -24,7 +26,7 @@ class Handler extends ExceptionHandler
     public function register(): void
     {
         $this->reportable(function (Throwable $e) {
-            //
+
         });
     }
-}
+}
\ No newline at end of file
diff --git a/job-board/app/Http/Controllers/JobApplicationController.php b/job-board/app/Http/Controllers/JobApplicationController.php
new file mode 100644
index 0000000..39cd790
--- /dev/null
+++ b/job-board/app/Http/Controllers/JobApplicationController.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Job;
+use Illuminate\Http\Request;
+
+class JobApplicationController extends Controller
+{
+    public function create(Job $job)
+    {
+        $this->authorize('apply', $job);
+        return view('job_application.create', ['job' => $job]);
+    }
+
+    public function store(Job $job, Request $request)
+    {
+        $this->authorize('apply', $job);
+        $job->jobApplications()->create([
+            ...$request->validate([
+                'expected_salary' => 'required|min:1|max:1000000'
+            ]),
+            'user_id' => auth()->user()->id
+        ]);
+
+        return redirect()->route('jobs.show', $job)
+            ->with('success', 'Job application submitted.');
+    }
+}
\ No newline at end of file
diff --git a/job-board/app/Http/Controllers/JobController.php b/job-board/app/Http/Controllers/JobController.php
index 7e398c1..ff6d5f2 100644
--- a/job-board/app/Http/Controllers/JobController.php
+++ b/job-board/app/Http/Controllers/JobController.php
@@ -49,7 +49,7 @@ public function show(Job $job)
     {
         return view(
             'job.show',
-            ['job' => $job->load('employer.jobs')]
+            ['job' => $job->load('employer.jobs')->loadCount('jobApplications')]
         );
     }
 
diff --git a/job-board/app/Models/Job.php b/job-board/app/Models/Job.php
index 64e6290..c2e743e 100644
--- a/job-board/app/Models/Job.php
+++ b/job-board/app/Models/Job.php
@@ -2,10 +2,12 @@
 
 namespace App\Models;
 
+use Illuminate\Auth\Authenticatable;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Query\Builder as QueryBuilder;
 
 class Job extends Model
@@ -25,6 +27,11 @@ public function employer(): BelongsTo
         return $this->belongsTo(Employer::class);
     }
 
+    public function jobApplications(): HasMany
+    {
+        return $this->hasMany(JobApplication::class);
+    }
+
     public function scopeFilter(Builder|QueryBuilder $query, array $filters): Builder|QueryBuilder
     {
         return $query->when($filters['search'] ?? null, function ($query, $search) {
@@ -45,4 +52,12 @@ public function scopeFilter(Builder|QueryBuilder $query, array $filters): Builde
             $query->where('category', $category);
         });
     }
+
+    public function hasUserApplied(Authenticatable|User|int $user): bool
+    {
+        return $this->where('id', $this->id)->whereHas(
+            'jobApplications',
+            fn($query) => $query->where('user_id', '=', $user->id ?? $user)
+        )->exists();
+    }
 }
\ No newline at end of file
diff --git a/job-board/app/Models/JobApplication.php b/job-board/app/Models/JobApplication.php
new file mode 100644
index 0000000..9609ea2
--- /dev/null
+++ b/job-board/app/Models/JobApplication.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class JobApplication extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['user_id', 'expected_salary'];
+
+    public function job(): BelongsTo
+    {
+        return $this->belongsTo(Job::class);
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}
\ No newline at end of file
diff --git a/job-board/app/Models/User.php b/job-board/app/Models/User.php
index ad6f3a7..810680f 100644
--- a/job-board/app/Models/User.php
+++ b/job-board/app/Models/User.php
@@ -4,6 +4,7 @@
 
 // use Illuminate\Contracts\Auth\MustVerifyEmail;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\HasOne;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
@@ -47,4 +48,9 @@ public function employer(): HasOne
     {
         return $this->hasOne(Employer::class);
     }
+
+    public function jobApplications(): HasMany
+    {
+        return $this->hasMany(JobApplication::class);
+    }
 }
\ No newline at end of file
diff --git a/job-board/app/Policies/JobPolicy.php b/job-board/app/Policies/JobPolicy.php
new file mode 100644
index 0000000..2c4d00e
--- /dev/null
+++ b/job-board/app/Policies/JobPolicy.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\Job;
+use App\Models\User;
+use Illuminate\Auth\Access\AuthorizationException;
+use Illuminate\Auth\Access\Response;
+
+class JobPolicy
+{
+    /**
+     * Determine whether the user can view any models.
+     */
+    public function viewAny(User $user): bool
+    {
+        return true;
+    }
+
+    /**
+     * Determine whether the user can view the model.
+     */
+    public function view(User $user, Job $job): bool
+    {
+        return true;
+    }
+
+    /**
+     * Determine whether the user can create models.
+     */
+    public function create(User $user): bool
+    {
+        return true;
+    }
+
+    /**
+     * Determine whether the user can update the model.
+     */
+    public function update(User $user, Job $job): bool
+    {
+        return false;
+    }
+
+    /**
+     * Determine whether the user can delete the model.
+     */
+    public function delete(User $user, Job $job): bool
+    {
+        return false;
+    }
+
+    /**
+     * Determine whether the user can restore the model.
+     */
+    public function restore(User $user, Job $job): bool
+    {
+        return false;
+    }
+
+    /**
+     * Determine whether the user can permanently delete the model.
+     */
+    public function forceDelete(User $user, Job $job): bool
+    {
+        return false;
+    }
+
+    public function apply(User $user, Job $job): bool
+    {
+        return !$job->hasUserApplied($user);
+    }
+}
\ No newline at end of file
diff --git a/job-board/app/Providers/AuthServiceProvider.php b/job-board/app/Providers/AuthServiceProvider.php
index 54756cd..b9aeac1 100644
--- a/job-board/app/Providers/AuthServiceProvider.php
+++ b/job-board/app/Providers/AuthServiceProvider.php
@@ -13,7 +13,7 @@ class AuthServiceProvider extends ServiceProvider
      * @var array<class-string, class-string>
      */
     protected $policies = [
-        //
+
     ];
 
     /**
@@ -23,4 +23,4 @@ public function boot(): void
     {
         //
     }
-}
+}
\ No newline at end of file
diff --git a/job-board/database/factories/JobApplicationFactory.php b/job-board/database/factories/JobApplicationFactory.php
new file mode 100644
index 0000000..2b8a486
--- /dev/null
+++ b/job-board/database/factories/JobApplicationFactory.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\JobApplication>
+ */
+class JobApplicationFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'expected_salary' => $this->faker->numberBetween(4000, 170000),
+        ];
+    }
+}
\ No newline at end of file
diff --git a/job-board/database/migrations/2023_05_29_111115_create_job_applications_table.php b/job-board/database/migrations/2023_05_29_111115_create_job_applications_table.php
new file mode 100644
index 0000000..c0ad931
--- /dev/null
+++ b/job-board/database/migrations/2023_05_29_111115_create_job_applications_table.php
@@ -0,0 +1,33 @@
+<?php
+
+use App\Models\Job;
+use App\Models\User;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('job_applications', function (Blueprint $table) {
+            $table->id();
+            $table->foreignIdFor(User::class);
+            $table->foreignIdFor(Job::class);
+
+            $table->unsignedInteger('expected_salary');
+
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('job_applications');
+    }
+};
\ No newline at end of file
diff --git a/job-board/database/seeders/DatabaseSeeder.php b/job-board/database/seeders/DatabaseSeeder.php
index 7d3746f..d72fca8 100644
--- a/job-board/database/seeders/DatabaseSeeder.php
+++ b/job-board/database/seeders/DatabaseSeeder.php
@@ -34,6 +34,14 @@ public function run(): void
             ]);
         }
 
-        // \App\Models\User::factory(10)->create();
+        foreach ($users as $user) {
+            $jobs = \App\Models\Job::inRandomOrder()->take(rand(0, 4))->get();
+            foreach ($jobs as $job) {
+                \App\Models\JobApplication::factory()->create([
+                    'job_id' => $job->id,
+                    'user_id' => $user->id,
+                ]);
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/job-board/resources/views/components/layout.blade.php b/job-board/resources/views/components/layout.blade.php
index caaeaf8..374330b 100644
--- a/job-board/resources/views/components/layout.blade.php
+++ b/job-board/resources/views/components/layout.blade.php
@@ -18,11 +18,14 @@ class="from-10% via-30% to-90% mx-auto mt-10 max-w-2xl bg-gradient-to-r from-ind
       </li>
     </ul>
 
-    <ul class="flex space-x-2">
+    <ul class="flex items-center space-x-2">
       @auth
         <li>
           {{ auth()->user()->name ?? 'Anynomus' }}
         </li>
+        <li>
+          Applications
+        </li>
         <li>
           <form action="{{ route('auth.destroy') }}" method="POST">
             @csrf
@@ -37,6 +40,23 @@ class="from-10% via-30% to-90% mx-auto mt-10 max-w-2xl bg-gradient-to-r from-ind
       @endauth
     </ul>
   </nav>
+  @if (session('error'))
+    <div
+      class="my-8 rounded-md border-l-4 border-red-300 bg-red-100 p-4 text-red-700 opacity-75"
+      role="alert">
+      <p class="font-bold">Error!</p>
+      <p>{{ session('error') }}</p>
+    </div>
+  @endif
+  @if (session('success'))
+    <div
+      class="my-8 rounded-md border-l-4 border-green-300 bg-green-100 p-4 text-green-700 opacity-75"
+      role="alert">
+      <p class="font-bold">Success!</p>
+      <p>{{ session('success') }}</p>
+    </div>
+  @endif
+
   {{ $slot }}
 </body>
 
diff --git a/job-board/resources/views/job/show.blade.php b/job-board/resources/views/job/show.blade.php
index 36ddc3e..c794f53 100644
--- a/job-board/resources/views/job/show.blade.php
+++ b/job-board/resources/views/job/show.blade.php
@@ -5,6 +5,18 @@
     <p class="mb-4 text-sm text-slate-500">
       {!! nl2br(e($job->description)) !!}
     </p>
+
+    @can('apply', $job)
+      <div class="flex items-center space-x-2">
+        <x-link-button :href="route('job.application.create', $job)">
+          Apply
+        </x-link-button>
+        <div class="text-sm text-slate-500">{{ $job->job_applications_count }} other
+          {{ Str::plural('applicant', $job->job_applications_count) }}</div>
+      </div>
+    @else
+      <div class="text-center text-sm font-medium text-green-500">You already applied to this job</div>
+    @endcan
   </x-job-card>
 
   <x-card class="mb-4">
diff --git a/job-board/resources/views/job_application/create.blade.php b/job-board/resources/views/job_application/create.blade.php
new file mode 100644
index 0000000..59c5614
--- /dev/null
+++ b/job-board/resources/views/job_application/create.blade.php
@@ -0,0 +1,26 @@
+<x-layout>
+  <x-breadcrumbs class="mb-4"
+    :links="[
+        'Jobs' => route('jobs.index'),
+        $job->title => route('jobs.show', $job),
+        'Apply' => '#',
+    ]" />
+
+  <x-job-card :$job></x-job-card>
+
+  <x-card>
+    <h2 class="mb-4 text-lg font-medium">Your Job Application</h2>
+
+    <form action="{{ route('job.application.store', $job) }}" method="POST">
+      @csrf
+      <div class="mb-4">
+        <label for="expected_salary" class="mb-2 block text-sm font-medium text-slate-900">
+          Expected Salary
+        </label>
+        <x-text-input type="number" name="expected_salary" />
+      </div>
+
+      <x-button class="w-full">Apply</x-button>
+    </form>
+  </x-card>
+</x-layout>
diff --git a/job-board/routes/web.php b/job-board/routes/web.php
index 23b793c..b3fbeda 100644
--- a/job-board/routes/web.php
+++ b/job-board/routes/web.php
@@ -1,6 +1,7 @@
 <?php
 
 use App\Http\Controllers\AuthController;
+use App\Http\Controllers\JobApplicationController;
 use App\Http\Controllers\JobController;
 use Illuminate\Support\Facades\Route;
 
@@ -25,4 +26,9 @@
     ->only(['create', 'store']);
 Route::delete('logout', fn() => to_route('auth.destroy'))->name('logout');
 Route::delete('auth', [AuthController::class, 'destroy'])
-    ->name('auth.destroy');
\ No newline at end of file
+    ->name('auth.destroy');
+
+Route::middleware('auth')->group(function () {
+    Route::resource('job.application', JobApplicationController::class)
+        ->only(['create', 'store'])->scoped();
+});
\ No newline at end of file