ajoute le portail Laravel : connexion prof/élève, session unique, gestion de classe, salle d'attente

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

portail/app/Models/Classe.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Support\Str;
+
+class Classe extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['etablissement_id', 'user_id', 'nom', 'formation', 'code_classe'];
+
+    protected $casts = [
+        'archivee_a' => 'datetime',
+    ];
+
+    protected static function booted(): void
+    {
+        static::creating(function (Classe $classe) {
+            $classe->code_classe ??= static::genererCodeUnique();
+        });
+    }
+
+    public static function genererCodeUnique(): string
+    {
+        do {
+            $code = Str::upper(Str::random(6));
+        } while (static::where('code_classe', $code)->exists());
+
+        return $code;
+    }
+
+    public function etablissement(): BelongsTo
+    {
+        return $this->belongsTo(Etablissement::class);
+    }
+
+    public function prof(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+
+    public function eleves(): HasMany
+    {
+        return $this->hasMany(Eleve::class);
+    }
+
+    public function seances(): HasMany
+    {
+        return $this->hasMany(Seance::class);
+    }
+
+    public function estArchivee(): bool
+    {
+        return $this->archivee_a !== null;
+    }
+}