Billing subscriptions: Database schema & model

app/Models/BillingSubscription.php

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+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class BillingSubscription extends BaseModel
+{
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = [
+        'user_id',
+        'product_id',
+        'company_id',
+        'product_id',
+        'is_recurring',
+        'frequency_id',
+        'auto_bill',
+        'promo_code',
+        'promo_discount',
+        'is_amount_discount',
+        'allow_cancellation',
+        'per_set_enabled',
+        'min_seats_limit',
+        'max_seats_limit',
+        'trial_enabled',
+        'trial_duration',
+        'allow_query_overrides',
+        'allow_plan_changes',
+        'plan_map',
+        'refund_period',
+        'webhook_configuration',
+    ];
+
+    public function company(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(Company::class);
+    }
+
+    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function product(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(Product::class);
+    }
+}

database/migrations/2021_03_08_123729_create_billing_subscriptions_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateBillingSubscriptionsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('billing_subscriptions', function (Blueprint $table) {
+            $table->increments('id');
+            $table->unsignedInteger('user_id');
+            $table->unsignedInteger('assigned_user_id');
+            $table->unsignedInteger('company_id');
+            $table->unsignedInteger('product_id');
+            $table->boolean('is_recurring')->default(false);
+            $table->unsignedInteger('frequency_id');
+            $table->string('auto_bill')->default('');
+            $table->string('promo_code')->default('');
+            $table->float('promo_discount')->default(0);
+            $table->boolean('is_amount_discount')->default(false);
+            $table->boolean('allow_cancellation')->default(true);
+            $table->boolean('per_set_enabled')->default(false);
+            $table->unsignedInteger('min_seats_limit');
+            $table->unsignedInteger('max_seats_limit');
+            $table->boolean('trial_enabled')->default(false);
+            $table->unsignedInteger('trial_duration');
+            $table->boolean('allow_query_overrides')->default(false);
+            $table->boolean('allow_plan_changes')->default(false);
+            $table->mediumText('plan_map');
+            $table->unsignedInteger('refund_period')->nullable();
+            $table->mediumText('webhook_configuration');
+            $table->softDeletes('deleted_at', 6);
+            $table->boolean('is_deleted')->default(false);
+            $table->timestamps();
+            $table->foreign('product_id')->references('id')->on('products');
+            $table->foreign('company_id')->references('id')->on('companies')->onDelete('cascade');
+            $table->index(['company_id', 'deleted_at']);
+        });
+
+        Schema::create('client_subscriptions', function (Blueprint $table) {
+            $table->increments('id');
+            $table->unsignedInteger('subscription_id');
+            $table->unsignedInteger('recurring_invoice_id');
+            $table->unsignedInteger('client_id');
+            $table->unsignedInteger('trial_started')->nullable();
+            $table->unsignedInteger('trial_ends')->nullable();
+            $table->timestamps();
+            $table->foreign('subscription_id')->references('id')->on('billing_subscriptions');
+            $table->foreign('recurring_invoice_id')->references('id')->on('recurring_invoices');
+            $table->foreign('client_id')->references('id')->on('clients');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('billing_subscriptions');
+        Schema::dropIfExists('client_subscriptions');
+    }
+}