Add Campaigns module for grouping QR codes.

Let accounts organise codes by promo or launch, attach or detach codes, and view combined scan totals from the sidebar.

app/Models/Campaign.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Campaign extends Model
+{
+    public const STATUS_DRAFT = 'draft';
+
+    public const STATUS_ACTIVE = 'active';
+
+    public const STATUS_ARCHIVED = 'archived';
+
+    public const STATUSES = [
+        self::STATUS_DRAFT => 'Draft',
+        self::STATUS_ACTIVE => 'Active',
+        self::STATUS_ARCHIVED => 'Archived',
+    ];
+
+    protected $fillable = [
+        'user_id',
+        'name',
+        'description',
+        'status',
+        'starts_at',
+        'ends_at',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'starts_at' => 'datetime',
+            'ends_at' => 'datetime',
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function qrCodes(): HasMany
+    {
+        return $this->hasMany(QrCode::class);
+    }
+
+    public function statusLabel(): string
+    {
+        return self::STATUSES[$this->status] ?? ucfirst((string) $this->status);
+    }
+
+    public function isLive(): bool
+    {
+        if ($this->status !== self::STATUS_ACTIVE) {
+            return false;
+        }
+
+        if ($this->starts_at && $this->starts_at->isFuture()) {
+            return false;
+        }
+
+        if ($this->ends_at && $this->ends_at->isPast()) {
+            return false;
+        }
+
+        return true;
+    }
+
+    public function totalScans(): int
+    {
+        return (int) $this->qrCodes()->sum('scans_total');
+    }
+
+    public function codesCount(): int
+    {
+        return (int) $this->qrCodes()->count();
+    }
+}

app/Models/QrCode.php

@@ -30,6 +30,7 @@ class QrCode extends Model
 
     protected $fillable = [
         'user_id',
+        'campaign_id',
         'short_code',
         'type',
         'label',
@@ -59,6 +60,11 @@ class QrCode extends Model
         return $this->belongsTo(User::class);
     }
 
+    public function campaign(): BelongsTo
+    {
+        return $this->belongsTo(Campaign::class);
+    }
+
     public function document(): BelongsTo
     {
         return $this->belongsTo(QrDocument::class, 'qr_document_id');

app/Models/User.php

@@ -58,6 +58,11 @@ class User extends Authenticatable
         return $this->hasMany(QrCode::class);
     }
 
+    public function campaigns(): HasMany
+    {
+        return $this->hasMany(Campaign::class);
+    }
+
     public function qrSetting(): HasOne
     {
         return $this->hasOne(QrSetting::class);