create database onlineshop;
use onlineshop;

CREATE OR REPLACE VIEW order_summary_view
-- 存成view每次都会重新run一遍这些语句
-- CREATE TABLE onlineshop.order_summary
AS
WITH transactions
AS
(SELECT order_id,SUM(IF (LOWER(kind) = 'authorization',amount,0)) auth_amount,SUM(IF (LOWER(kind) = 'capture',amount,0)) capture_amount,SUM(IF (LOWER(kind) = 'sale',amount,0)) sale_amount,SUM(IF (LOWER(kind) = 'void',amount,0)) void_amount,SUM(IF (LOWER(kind) = 'refund',amount,0)) refund_amountFROM onlineshop.transactions WHERE LOWER(status) != 'failure' GROUP BY order_id
),
all_orders
AS
(
SELECT * FROM onlineshop.orders orders
LEFT JOIN transactions ON orders.id = transactions.order_id),
items
AS
(SELECT order_id,SUM(quantity) AS total_quantity,SUM(price*quantity) AS total_items_priceFROM onlineshop.orders_items GROUP BY order_id
)
SELECT all_orders.id as order_id,all_orders.created_at,all_orders.closed_at,all_orders.cancelled_at,all_orders.customer_id,all_orders.financial_status,all_orders.fulfillment_status,all_orders.total_line_items_price,all_orders.total_discounts,all_orders.subtotal_price,all_orders.shipping_rate,all_orders.total_price,all_orders.auth_amount,all_orders.capture_amount,all_orders.sale_amount,all_orders.void_amount,all_orders.refund_amount,items.total_quantity,items.total_items_price
FROM all_orders LEFT JOIN items ON all_orders.id = items.order_id;

SELECT products.id AS product_id,products.published_at,LOWER(products.product_type) AS product_type,products.title AS product_title,skus.id AS sku_id,skus.product_style,skus.sku,skus.price AS sku_price
FROMonlineshop.products AS productsLEFT JOINonlineshop.products_skus AS skus ON products.id = skus.product_id;

CREATE OR REPLACE VIEW onlineshop.customer_summary_view
AS
WITH customer_orders
AS
(SELECT customer_id,COUNT(DISTINCT order_id) AS total_orders,SUM(total_quantity) AS total_quantity,SUM(void_amount) AS total_void,SUM(sale_amount) AS total_sale,SUM(auth_amount) AS total_auth,SUM(capture_amount) AS total_capture,SUM(total_price) AS total_spent,SUM(refund_amount) AS total_refund,MIN(order_id) AS first_order_id,MAX(order_id) AS last_order_id,MIN(created_at) AS first_order_at,MAX(created_at) AS last_order_at FROM onlineshop.order_summary GROUP BY customer_id
)
SELECT customers.id AS customer_id,customers.created_at,customers.full_name,customer_orders.total_orders,customer_orders.total_quantity,customer_orders.total_spent,customer_orders.total_refund,customer_orders.first_order_id,customer_orders.first_order_at,customer_orders.last_order_id,customer_orders.last_order_at,customer_orders.total_void,customer_orders.total_sale,customer_orders.total_auth,customer_orders.total_capture
FROM onlineshop.customers AS customersLEFT JOIN customer_orders ON customers.id = customer_orders.customer_id;