public function up()

in database/migrations/2018_12_22_200413_add_reminder_initial_date_to_reminders.php [16:72]
48 lines of code
3 McCabe index (conditional complexity)

    public function up()
    {
        Schema::table('reminders', function (Blueprint $table) {
            $table->date('initial_date')->after('contact_id');
            $table->boolean('delible')->default(true)->after('next_expected_date');
        });

        // we need to migrate old data. Since we don't know what was the initial
        // date for the reminder, we need to make a guess by taking the last
        // triggered column information.
        Reminder::chunk(200, function ($reminders) {
            foreach ($reminders as $reminder) {
                if (! is_null($reminder->special_date_id)) {
                    $reminder->initial_date = SpecialDate::find($reminder->special_date_id)->date;
                    // if the reminder had a special date, that meant it was a
                    // birthday. Reminder about birthdates can't be deleted, so
                    // we need to flag them as such.
                    $reminder->delible = false;
                } else {
                    $reminder->initial_date = $reminder->next_expected_date;
                }
                $reminder->save();
            }
        });

        Schema::create('reminder_outbox', function (Blueprint $table) {
            $table->increments('id');
            $table->unsignedInteger('account_id');
            $table->unsignedInteger('reminder_id');
            $table->unsignedInteger('user_id');
            $table->date('planned_date');
            $table->string('nature')->default('reminder');
            $table->integer('notification_number_days_before')->nullable();
            $table->timestamps();
            $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
            $table->foreign('reminder_id')->references('id')->on('reminders')->onDelete('cascade');
            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
        });

        Schema::create('reminder_sent', function (Blueprint $table) {
            $table->increments('id');
            $table->unsignedInteger('account_id');
            $table->unsignedInteger('reminder_id')->nullable();
            $table->unsignedInteger('user_id');
            $table->date('planned_date');
            $table->datetime('sent_date');
            $table->string('nature')->default('reminder');
            $table->string('frequency_type')->nullable();
            $table->integer('frequency_number')->nullable();
            $table->longText('html_content')->nullable();
            $table->longText('text_content')->nullable();
            $table->timestamps();
            $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
            $table->foreign('reminder_id')->references('id')->on('reminders')->onDelete('set null');
            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
        });
    }