Added binding grade with subjects

app/Http/Controllers/GradeController.php

@@ -48,6 +48,7 @@ class GradeController extends Controller
     {
         return view('grades.show', [
             'grade' => $grade,
+            'subjects' => $grade->subjects,
         ]);
     }
 

app/Http/Controllers/GradeSubjectController.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Requests\GradeSubjectPostRequest;
+use App\Models\Grade;
+use App\Models\Subject;
+use App\Services\ServiceInterface;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\View\View;
+
+class GradeSubjectController extends Controller
+{
+    public function __construct(
+        protected ServiceInterface $service,
+    ) {
+    }
+
+    public function create(Grade $grade): View
+    {
+        return view('grade-subject.create', [
+            'grade' => $grade,
+            'subjects' => $this->service->getAllSubjects(),
+        ]);
+    }
+
+    public function store(GradeSubjectPostRequest $request, Grade $grade): RedirectResponse
+    {
+        return redirect()->route('grades.show', $this->service->create($request->validated(), $grade));
+    }
+
+    public function edit(Grade $grade, Subject $subject): View
+    {
+        return view('grade-subject.edit', [
+            'grade' => $grade,
+            'updateSubject' => $subject,
+            'subjects' => $this->service->getAllSubjects(),
+        ]);
+    }
+
+    public function update(GradeSubjectPostRequest $request, Grade $grade, Subject $subject): RedirectResponse
+    {
+        return redirect()->route('grades.show',
+            $this->service->update($grade, $request->validated(), $subject));
+    }
+
+    public function destroy(Grade $grade, Subject $subject): RedirectResponse
+    {
+        return redirect()->route('grades.show', $this->service->delete($grade, $subject));
+    }
+}

app/Http/Requests/GradeSubjectPostRequest.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class GradeSubjectPostRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'subject_id' => 'required|exists:subjects,id',
+        ];
+    }
+}

app/Providers/ModelServiceProvider.php

@@ -3,11 +3,13 @@
 namespace App\Providers;
 
 use App\Http\Controllers\GradeController;
+use App\Http\Controllers\GradeSubjectController;
 use App\Http\Controllers\StudentController;
 use App\Http\Controllers\SubjectController;
 use App\Http\Controllers\SubjectTeacherController;
 use App\Http\Controllers\TeacherController;
 use App\Services\GradeService;
+use App\Services\GradeSubjectService;
 use App\Services\ServiceInterface;
 use App\Services\StudentService;
 use App\Services\SubjectService;
@@ -51,6 +53,12 @@ class ModelServiceProvider extends ServiceProvider
             ->give(function () {
                 return new SubjectTeacherService();
             });
+
+        $this->app->when(GradeSubjectController::class)
+            ->needs(ServiceInterface::class)
+            ->give(function () {
+                return new GradeSubjectService();
+            });
     }
 
     /**

app/Services/GradeSubjectService.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Grade;
+use App\Models\Subject;
+use App\Models\Teacher;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Model;
+
+class GradeSubjectService implements ServiceInterface
+{
+    public function getAll(?Grade $grade = null): Collection
+    {
+        return $grade->subjects;
+    }
+
+    public function getAllSubjects(): Collection
+    {
+        return Subject::all();
+    }
+
+    public function create(array $data, ?Model $model = null): Grade
+    {
+        $model->subjects()->syncWithoutDetaching($data['subject_id']);
+
+        return $model;
+    }
+
+    public function update(Model $model, array $data, ?Model $subject = null): Grade
+    {
+        $model->subjects()->detach($subject->id);
+        $model->subjects()->attach($data['subject_id']);
+
+        return $model;
+    }
+
+    public function delete(Model $model, ?Model $subject = null): Grade
+    {
+        $model->subjects()->detach($subject);
+
+        return $model;
+    }
+}

resources/views/grade-subject/create.blade.php

@@ -0,0 +1,5 @@
+@extends('layouts.app')
+
+@section('content')
+    @include('grade-subject.form', ['route' => route('grades.subjects.store', $grade), 'method' => 'POST'])
+@endsection

resources/views/grade-subject/edit.blade.php

@@ -0,0 +1,8 @@
+@extends('layouts.app')
+
+@section('content')
+    @include('grade-subject.form', [
+    'route' => route('grades.subjects.update',
+    ['grade' => $grade, 'subject' => $updateSubject]
+    ), 'method' => 'PUT'])
+@endsection

resources/views/grade-subject/form.blade.php

@@ -0,0 +1,24 @@
+<div class="container col-md-6">
+    <div class="row justify-content-center">
+        <div class="card mt-4">
+            <div class="card-body">
+                <form action="{{ $route }}" method="POST">
+                    @csrf
+                    @method($method)
+                    <div class="mb-3">
+                        <label for="subject_id" class="form-label">Предмет:</label>
+                        <select id="subject_id" name="subject_id" class="form-select" required>
+                            <option value="">Выберите предмет</option>
+                            @foreach($subjects as $subject)
+                                <option value="{{ $subject->id }}" {{ isset($updateSubject) && $updateSubject->id == $subject->id ? 'selected' : '' }}>
+                                    {{ $subject->name }}
+                                </option>
+                            @endforeach
+                        </select>
+                    </div>
+                    <button type="submit" class="btn btn-success">Подтвердить</button>
+                </form>
+            </div>
+        </div>
+    </div>
+</div>

resources/views/grades/index.blade.php

@@ -62,7 +62,7 @@
                             <p>Классы отсутствуют</p>
                         @endif
                     </div>
-                    <div class="card-body">
+                    <div class="card-footer">
                         <a href="{{ route('grades.create') }}" class="btn btn-success">Добавить</a>
                     </div>
                     <div class="card-footer">{{ $grades->links() }}</div>

resources/views/grades/show.blade.php

@@ -14,6 +14,49 @@
                     <a href="{{ route('grades.edit', $grade) }}" class="btn btn-primary">Редактировать</a>
                 </div>
             </div>
+            <div class="card mt-4">
+                <div class="card-header">
+                    {{__('Журнал предметов')}}
+                </div>
+                <div class="card-body">
+                    @if(count($subjects))
+                        <table class="table table-striped">
+                            <thead>
+                            <th>Название</th>
+                            <th>&nbsp;</th>
+                            </thead>
+                            <tbody>
+                            @foreach ($subjects as $subject)
+                                <tr>
+                                    <td class="table-text">
+                                        <div>
+                                            {{ $subject->name }}
+                                        </div>
+                                    </td>
+                                    <td>
+                                        <div>
+                                            <a href="{{ route('grades.subjects.edit', [$grade, $subject]) }}" class="btn btn-warning">Редактировать</a>
+                                        </div>
+                                    </td>
+                                    <td>
+                                        <form action="{{ route('grades.subjects.destroy', [$grade, $subject]) }}" method="POST" style="display: inline-block;">
+                                            @csrf
+                                            @method('DELETE')
+                                            <button type="submit" class="btn btn-danger">Удалить</button>
+                                        </form>
+                                    </td>
+                                </tr>
+                            @endforeach
+                            </tbody>
+                        </table>
+                    @else
+                        <p>У класса отсутствуют предметы</p>
+                    @endif
+                </div>
+                <div class="card-footer">
+                    <a href="{{ route('grades.subjects.create', $grade) }}" class="btn btn-success">Добавить</a>
+                </div>
+            </div>
         </div>
     </div>
 @endsection

resources/views/students/index.blade.php

@@ -54,7 +54,7 @@
                         <p>Ученики остутствуют</p>
                     @endif
                 </div>
-                <div class="card-body">
+                <div class="card-footer">
                     <a href="{{ route('students.create') }}" class="btn btn-success">Добавить</a>
                 </div>
                 <div class="card-footer">{{ $students->links() }}</div>

resources/views/subjects/index.blade.php

@@ -54,7 +54,7 @@
                         <p>Предметы отсутствуют</p>
                     @endif
                 </div>
-                <div class="card-body">
+                <div class="card-footer">
                     <a href="{{ route('subjects.create') }}" class="btn btn-success">Добавить</a>
                 </div>
                 <div class="card-footer">{{ $subjects->links() }}</div>

resources/views/teachers/index.blade.php

@@ -54,7 +54,7 @@
                             <p>Учителя отсутствуют</p>
                         @endif
                     </div>
-                    <div class="card-body">
+                    <div class="card-footer">
                         <a href="{{ route('teachers.create') }}" class="btn btn-success">Добавить</a>
                     </div>
                     <div class="card-footer">{{ $teachers->links() }}</div>

resources/views/teachers/show.blade.php

@@ -58,7 +58,7 @@
                         <p>У учителя отсутствуют предметы</p>
                     @endif
                 </div>
-                <div class="card-body">
+                <div class="card-footer">
                     <a href="{{ route('teachers.subjects.create', $teacher) }}" class="btn btn-success">Добавить</a>
                 </div>
             </div>

routes/web.php

@@ -1,6 +1,7 @@
 <?php
 
 use App\Http\Controllers\GradeController;
+use App\Http\Controllers\GradeSubjectController;
 use App\Http\Controllers\StudentController;
 use App\Http\Controllers\SubjectController;
 use App\Http\Controllers\SubjectTeacherController;
@@ -19,3 +20,4 @@ Route::resources([
 ]);
 
 Route::resource('teachers.subjects', SubjectTeacherController::class)->except('index', 'show');
+Route::resource('grades.subjects', GradeSubjectController::class)->except('index', 'show');