Premier commit

app/Models/Contract.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Contract extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'reference',
+        'provider',
+        'status',
+        'start_date',
+        'end_date',
+        'amount',
+        'currency',
+        'notes',
+        'type',
+        'municipality_id',
+    ];
+
+    protected $casts = [
+        'start_date' => 'date',
+        'end_date' => 'date',
+        'amount' => 'decimal:2',
+    ];
+
+    public function meta(): HasMany
+    {
+        return $this->hasMany(ContractMeta::class);
+    }
+
+    public function documents(): HasMany
+    {
+        return $this->hasMany(Document::class);
+    }
+
+    public function municipality(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(Municipality::class);
+    }
+
+    // Helpers
+    public function scopeActive($query)
+    {
+        return $query->where('status', 'active');
+    }
+
+    public function scopeExpiringSoon($query, $days = 30)
+    {
+        return $query->where('end_date', '<=', now()->addDays($days))
+                     ->where('end_date', '>=', now())
+                     ->where('status', '!=', 'expired');
+    }
+}