1. Log in to your Shopify store  >  Go to Apps  > Visit the Shopify App Store  > Search for DeliveryQuota  >  Add app
2. Install app  >  Start free trial  >  Automatically redirected to Shopify admin section/ Apps / DeliveryQuota

1. Shopify Admin panel >  Online Stores > Themes > Action > Edit Code

2. Open cart-template.liquid >

past  <div id=”eltrino-calendar” /> after value=”{{ ‘cart.general.checkout’ | t }}”>
Save

3. The calendar will appear on the cart page

DeliveryQuota calendar appears on the Cart Page to avoid misconceptions with different delivery dates for different products from one customer.

Sometimes unexpected things happen and you may need to update your delivery schedule with placed orders. DeliveryQuota allows asking customers to reschedule the delivery date.

For specific order
Shopify Admin panel >  Apps > DeliveryQuota > Orders tab > Press Request Reschedule button

The customer will receive an email with the request to reschedule his order delivery with a calendar where he can choose a new appropriate delivery date. 

or

Shopify Admin panel >  Orders > Open the specific order > More actions > Request Reschedule

The customer will receive an email with the request to reschedule his order delivery with a calendar where he can choose a new appropriate delivery date. 

Bulk reschedule (for several orders)
Shopify Admin panel >  Apps > DeliveryQuota > Orders tab > Select few orders using checkboxes >  Action > Request reschedule

or

Shopify Admin panel >  Orders > Select few orders using checkboxes >  Action > Request reschedule

Don’t forget to update quotes on your calendar.

1. Shopify Admin panel >  Apps > DeliveryQuota > Settings tab > Date required > Enable > Save changes

2. Add disable attribute to checkout button

Shopify Admin panel >  Online Stores > Themes > Action > Edit Code

Open cart-template.liquid > on the ‘cart__submit-controls’ class after ‘endunless’ statement add disabled after

Shopify Admin panel >  Apps > DeliveryQuota > Settings tab > Date Settings
In the Business Day area, you can setup Time Zone and start of working hours
Select Business Days in the Available Day area.
Define when your business week starts in First Day Of Week.

Select appropriate and don`t forget to press Save changes.

Shopify Admin panel >  Apps > Delivery Quota > Settings tab > Date Settings > Step Of The Future Delivery

Min Step (days) – number of days from a purchasing date to the first available delivery date in the calendar.
Max Step (days) – number of days from a purchasing date to the last available delivery date in the calendar.

Set up an appropriate delivery interval and press Save changes.

Shopify Admin panel >  Apps > DeliveryQuota > Settings tab > Date Settings > Reschedule Page

Check Enable and press Save changes

Google reCaptcha will appear on the Reschedule Page.

Shopify Admin panel > Apps > DeliveryQuota > Quotas

Enable Quotas (here you also can Disable Quotas).

Shopify Admin panel >  Apps > DeliveryQuota > Quotas > Settings For Quotas

Set quotas per each working day and press Save changes.

Shopify Admin panel >  Apps > DeliveryQuota > Calendar

Go to a specific date, change a quote, press Save quote.

Settings > Checkout. Scroll down to additional scripts and can place code:

<style>
.order-note, .attributes{
font-size: 1.3em;
margin-top: 30px;
}
</style>
<div class="attributes">
Delivery Date: {{ attributes["Delivery Date"] }}
</div>

Press Save.

Result:

<style>
.order-note, .attributes{
font-size: 1.3em;
margin-top: 30px;
}
</style>
<div class="attributes">
Delivery Date: {{ attributes["Delivery Date"] }}
</div>