• Produkt (Weiterbildung) wird dem Einkaufskorb hinzugefügt
  membership/purchase/%, %=mpid
• Nettopreis (amount) wird aus ms_membership_plan.main_amount genommen
• →WichtigeFelder
• Datensatz in db:ms_cart_products
• Ändern geht nicht, löschen im Warenkorb
• Was ist mit den Produkten im Warenkorb, wenn sich der Preis oder MwSt geändert hat?
  • Preis: Produkt aus allen Warenkörben entfernen
  • MwSt: Alle Warenkörbe leeren

Function (ms_membership.module) ms_membership_purchase_membership($mpid)

• $m_plan = ms_membership_load_membership_plan($mpid);
• ? ms_membership_plan_is_free($m_plan)
  • ja: change_roles, status=3, insert_membership, prepare_mail, notify_admins
  • nein:
    • $product = ms_core_new_product()
      • !!! $product.amount = $m_plan.main_amount;
    • (?recurring):
      • $product.type='recurring',
      • $product.recurring_schedule=array(…$m_plan)
    • ms_core_add_cart_product()
      • $cart = ms_core_get_cart()
        • cid = uid || $_SESSION['ms_cart_id']
        • $cart = new MsOrder()
        • $cart.products = ms_core_get_cart_products($cid);
        • $cart.adjustments = ms_core_get_cart_adjustments($cid);
        • $cart.order_type = 'cart';
        • $cart.data = $data; –extra data
      • hook_ms_cart_add, hook_ms_cart_added_product_alter
      • (?single), (?recurring)
      • INSERT INTO {ms_cart_products}
      • rules: ms_core_event_product_add_to_cart
      • hook_ms_cart_added
    • ms_core_checkout();
      • drupal_goto('ms/checkout')