CREATE OR REPLACE VIEW edit_page_item AS
    SELECT
        stock_movement_item.id,
        stock_movement_item.requisition_item_type,
        stock_movement_item.parent_requisition_item_id,
        stock_movement_item.requisition_id,
        stock_movement_item.origin_id,
        stock_movement_item.destination_id,
        stock_movement_item.product_id,
        stock_movement_item.product_code,
        stock_movement_item.name,
        stock_movement_item.quantity,
        stock_movement_item.quantity_canceled,
        stock_movement_item.quantity_revised,
        stock_movement_item.order_index as sort_order,
        stock_movement_item.cancel_reason_code,
        stock_movement_item.comments,
        p_a.quantity_on_hand,
        p_a.quantity_available_to_promise,
        product_stocklist.quantity_demand,
        IF(product_substitution_status.substitution_status IS NULL, 'NO', product_substitution_status.substitution_status) AS substitution_status
    FROM
        stock_movement_item
            LEFT OUTER JOIN
        product_stocklist ON product_stocklist.product_id = stock_movement_item.product_id
            AND product_stocklist.origin_id = stock_movement_item.origin_id
            LEFT OUTER JOIN (
                SELECT product_availability.product_id as product_id,
                       product_availability.location_id as location_id,
                       ifnull(sum(quantity_on_hand), 0) as quantity_on_hand,
                       ifnull(sum(quantity_available_to_promise), 0) as quantity_available_to_promise
                FROM product_availability
                GROUP BY location_id, product_id
            ) p_a ON p_a.product_id = stock_movement_item.product_id
            AND p_a.location_id = stock_movement_item.origin_id
            LEFT OUTER JOIN
        product_substitution_status ON product_substitution_status.product_id = stock_movement_item.product_id
            AND product_substitution_status.location_id = stock_movement_item.origin_id;