411 lines
11 KiB
SQL
411 lines
11 KiB
SQL
-- +goose Up
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DELIMITER //
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DROP FUNCTION IF EXISTS fn_product_price //
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CREATE FUNCTION fn_product_price(
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p_id_product INT UNSIGNED,
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p_id_shop INT UNSIGNED,
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p_id_customer INT UNSIGNED,
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p_id_country INT UNSIGNED,
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p_quantity INT UNSIGNED,
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p_id_product_attribute INT UNSIGNED
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)
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RETURNS JSON
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DETERMINISTIC
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READS SQL DATA
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BEGIN
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DECLARE v_tax_rate DECIMAL(10,4) DEFAULT 0;
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DECLARE v_base_raw DECIMAL(20,6);
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DECLARE v_base DECIMAL(20,6);
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DECLARE v_excl DECIMAL(20,6);
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DECLARE v_incl DECIMAL(20,6);
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DECLARE v_reduction_type VARCHAR(20);
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DECLARE v_percentage DECIMAL(10,4);
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DECLARE v_fixed_price DECIMAL(20,6);
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DECLARE v_specific_currency_id BIGINT;
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DECLARE v_has_specific INT DEFAULT 0;
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-- currency
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DECLARE v_target_currency BIGINT;
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DECLARE v_target_rate DECIMAL(13,6) DEFAULT 1;
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DECLARE v_specific_rate DECIMAL(13,6) DEFAULT 1;
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SET p_id_product_attribute = NULLIF(p_id_product_attribute, 0);
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-- ================= TAX =================
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SELECT COALESCE(t.rate, 0)
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INTO v_tax_rate
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FROM ps_tax_rule tr
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JOIN ps_tax t ON t.id_tax = tr.id_tax
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LEFT JOIN b2b_countries c ON c.id = p_id_country
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WHERE tr.id_tax_rules_group = (
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SELECT ps.id_tax_rules_group
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FROM ps_product_shop ps
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WHERE ps.id_product = p_id_product
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AND ps.id_shop = p_id_shop
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LIMIT 1
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)
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AND tr.id_country = c.ps_id_country
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LIMIT 1;
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-- ================= TARGET CURRENCY =================
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SELECT c.b2b_id_currency
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INTO v_target_currency
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FROM b2b_countries c
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WHERE c.id = p_id_country
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LIMIT 1;
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-- latest target rate
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SELECT r.conversion_rate
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INTO v_target_rate
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FROM b2b_currency_rates r
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WHERE r.b2b_id_currency = v_target_currency
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ORDER BY r.created_at DESC
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LIMIT 1;
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-- ================= BASE PRICE (RAW) =================
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SELECT
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COALESCE(ps.price, p.price) + COALESCE(pas.price, 0)
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INTO v_base_raw
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FROM ps_product p
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LEFT JOIN ps_product_shop ps
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ON ps.id_product = p.id_product AND ps.id_shop = p_id_shop
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LEFT JOIN ps_product_attribute_shop pas
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ON pas.id_product_attribute = p_id_product_attribute
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AND pas.id_shop = p_id_shop
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WHERE p.id_product = p_id_product;
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-- convert base to target currency
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SET v_base = v_base_raw * v_target_rate;
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-- ================= RULE SELECTION =================
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SELECT
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1,
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bsp.reduction_type,
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bsp.percentage_reduction,
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bsp.price,
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bsp.b2b_id_currency
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INTO
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v_has_specific,
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v_reduction_type,
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v_percentage,
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v_fixed_price,
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v_specific_currency_id
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FROM b2b_specific_price bsp
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WHERE bsp.is_active = 1
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AND bsp.from_quantity <= p_quantity
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-- intersection rules (unchanged)
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AND (
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NOT EXISTS (SELECT 1 FROM b2b_specific_price_product x WHERE x.b2b_specific_price_id = bsp.id)
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OR EXISTS (SELECT 1 FROM b2b_specific_price_product x WHERE x.b2b_specific_price_id = bsp.id AND x.id_product = p_id_product)
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)
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AND (
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NOT EXISTS (SELECT 1 FROM b2b_specific_price_product_attribute x WHERE x.b2b_specific_price_id = bsp.id)
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OR EXISTS (SELECT 1 FROM b2b_specific_price_product_attribute x WHERE x.b2b_specific_price_id = bsp.id AND x.id_product_attribute = p_id_product_attribute)
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)
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AND (
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NOT EXISTS (SELECT 1 FROM b2b_specific_price_category x WHERE x.b2b_specific_price_id = bsp.id)
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OR EXISTS (
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SELECT 1 FROM b2b_specific_price_category x
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JOIN ps_category_product cp ON cp.id_category = x.id_category
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WHERE x.b2b_specific_price_id = bsp.id AND cp.id_product = p_id_product
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)
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)
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AND (
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NOT EXISTS (SELECT 1 FROM b2b_specific_price_customer x WHERE x.b2b_specific_price_id = bsp.id)
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OR EXISTS (SELECT 1 FROM b2b_specific_price_customer x WHERE x.b2b_specific_price_id = bsp.id AND x.b2b_id_customer = p_id_customer)
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)
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AND (
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NOT EXISTS (SELECT 1 FROM b2b_specific_price_country x WHERE x.b2b_specific_price_id = bsp.id)
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OR EXISTS (SELECT 1 FROM b2b_specific_price_country x WHERE x.b2b_specific_price_id = bsp.id AND x.b2b_id_country = p_id_country)
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)
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ORDER BY
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-- customer wins
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(EXISTS (SELECT 1 FROM b2b_specific_price_customer x WHERE x.b2b_specific_price_id = bsp.id AND x.b2b_id_customer = p_id_customer)) DESC,
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-- attribute
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(EXISTS (SELECT 1 FROM b2b_specific_price_product_attribute x WHERE x.b2b_specific_price_id = bsp.id AND x.id_product_attribute = p_id_product_attribute)) DESC,
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-- product
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(EXISTS (SELECT 1 FROM b2b_specific_price_product x WHERE x.b2b_specific_price_id = bsp.id AND x.id_product = p_id_product)) DESC,
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-- category
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(EXISTS (
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SELECT 1 FROM b2b_specific_price_category x
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JOIN ps_category_product cp ON cp.id_category = x.id_category
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WHERE x.b2b_specific_price_id = bsp.id AND cp.id_product = p_id_product
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)) DESC,
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-- country
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(EXISTS (SELECT 1 FROM b2b_specific_price_country x WHERE x.b2b_specific_price_id = bsp.id AND x.b2b_id_country = p_id_country)) DESC,
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bsp.id DESC
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LIMIT 1;
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-- ================= APPLY =================
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SET v_excl = v_base;
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IF v_has_specific = 1 THEN
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IF v_reduction_type = 'amount' THEN
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-- convert specific price currency if needed
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IF v_specific_currency_id IS NOT NULL AND v_specific_currency_id != v_target_currency THEN
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SELECT r.conversion_rate
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INTO v_specific_rate
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FROM b2b_currency_rates r
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WHERE r.b2b_id_currency = v_specific_currency_id
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ORDER BY r.created_at DESC
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LIMIT 1;
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-- normalize → then convert to target
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SET v_excl = (v_fixed_price / v_specific_rate) * v_target_rate;
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ELSE
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SET v_excl = v_fixed_price;
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END IF;
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ELSEIF v_reduction_type = 'percentage' THEN
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SET v_excl = v_base * (1 - v_percentage / 100);
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END IF;
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END IF;
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SET v_incl = v_excl * (1 + v_tax_rate / 100);
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RETURN JSON_OBJECT(
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'base', v_base,
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'final_tax_excl', v_excl,
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'final_tax_incl', v_incl,
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'tax_rate', v_tax_rate,
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'rate', v_target_rate
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);
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END //
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DELIMITER ;
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DELIMITER //
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DROP PROCEDURE IF EXISTS get_product_variants //
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CREATE PROCEDURE get_product_variants(
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IN p_id_product INT,
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IN p_id_shop INT,
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IN p_id_lang INT,
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IN p_id_customer INT,
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IN p_id_country INT,
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IN p_quantity INT
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)
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BEGIN
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SELECT
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pa.id_product_attribute,
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pa.reference,
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-- PRICE (computed once per row via correlated subquery)
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CAST(JSON_UNQUOTE(JSON_EXTRACT(
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fn_product_price(
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p_id_product,
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p_id_shop,
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p_id_customer,
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p_id_country,
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p_quantity,
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pa.id_product_attribute
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),
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'$.base'
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)) AS DECIMAL(20,6)) AS base_price,
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CAST(JSON_UNQUOTE(JSON_EXTRACT(
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fn_product_price(
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p_id_product,
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p_id_shop,
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p_id_customer,
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p_id_country,
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p_quantity,
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pa.id_product_attribute
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),
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'$.final_tax_excl'
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)) AS DECIMAL(20,6)) AS price_tax_excl,
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CAST(JSON_UNQUOTE(JSON_EXTRACT(
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fn_product_price(
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p_id_product,
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p_id_shop,
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p_id_customer,
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p_id_country,
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p_quantity,
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pa.id_product_attribute
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),
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'$.final_tax_incl'
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)) AS DECIMAL(20,6)) AS price_tax_incl,
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IFNULL(sa.quantity, 0) AS quantity,
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(
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SELECT JSON_ARRAYAGG(
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JSON_OBJECT(
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'group', agl.name,
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'attribute', al.name
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)
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)
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FROM ps_product_attribute_combination pac
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JOIN ps_attribute a ON a.id_attribute = pac.id_attribute
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JOIN ps_attribute_lang al
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ON al.id_attribute = a.id_attribute AND al.id_lang = p_id_lang
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JOIN ps_attribute_group_lang agl
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ON agl.id_attribute_group = a.id_attribute_group AND agl.id_lang = p_id_lang
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WHERE pac.id_product_attribute = pa.id_product_attribute
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) AS attributes
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FROM ps_product_attribute pa
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JOIN ps_product_attribute_shop pas
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ON pas.id_product_attribute = pa.id_product_attribute
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AND pas.id_shop = p_id_shop
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LEFT JOIN ps_stock_available sa
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ON sa.id_product = pa.id_product
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AND sa.id_product_attribute = pa.id_product_attribute
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AND sa.id_shop = p_id_shop
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WHERE pa.id_product = p_id_product;
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END //
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DELIMITER ;
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DELIMITER //
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DROP PROCEDURE IF EXISTS get_product_price //
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CREATE PROCEDURE get_product_price(
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IN p_id_product INT,
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IN p_id_shop INT,
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IN p_id_customer INT,
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IN p_id_country INT,
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IN p_quantity INT
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)
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BEGIN
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SELECT fn_product_price(
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p_id_product,
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p_id_shop,
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p_id_customer,
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p_id_country,
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p_quantity,
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NULL
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) AS price;
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END //
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DELIMITER ;
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DELIMITER //
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DROP PROCEDURE IF EXISTS get_product_base //
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CREATE PROCEDURE get_product_base(
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IN p_id_product INT,
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IN p_id_shop INT,
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IN p_id_lang INT
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)
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BEGIN
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SELECT
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p.id_product AS id, -- matches view.Product.ID
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p.reference,
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p.supplier_reference,
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p.ean13,
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p.upc,
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p.isbn,
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-- Price related (basic)
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p.price AS base_price,
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p.wholesale_price,
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p.unity,
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p.unit_price_ratio,
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-- Stock & Availability
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p.quantity,
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p.minimal_quantity,
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p.available_for_order,
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p.available_date,
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p.out_of_stock AS out_of_stock_behavior, -- 0=deny, 1=allow, 2=default
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-- Flags
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COALESCE(ps.on_sale, 0) AS on_sale,
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COALESCE(ps.show_price, 1) AS show_price,
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p.condition,
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p.is_virtual,
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-- Physical
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p.weight,
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p.width,
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p.height,
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p.depth,
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p.additional_shipping_cost,
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-- Delivery
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p.additional_delivery_times AS delivery_days, -- you can adjust if needed
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-- Status
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COALESCE(ps.active, p.active) AS active,
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COALESCE(ps.visibility, p.visibility) AS visibility,
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p.indexed,
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-- Other useful
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p.date_add,
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p.date_upd,
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-- Language data
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pl.name,
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pl.description,
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pl.description_short,
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-- Relations
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m.name AS manufacturer,
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cl.name AS category
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-- This doesn't fit to base product, I'll add proper is_favorite to product later
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-- EXISTS(
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-- SELECT 1 FROM b2b_favorites f
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-- WHERE f.user_id = p_id_customer AND f.product_id = p_id_product
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-- ) AS is_favorite
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FROM ps_product p
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LEFT JOIN ps_product_shop ps
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ON ps.id_product = p.id_product
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AND ps.id_shop = p_id_shop
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LEFT JOIN ps_product_lang pl
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ON pl.id_product = p.id_product
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AND pl.id_lang = p_id_lang
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AND pl.id_shop = p_id_shop
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LEFT JOIN ps_category_lang cl
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ON cl.id_category = COALESCE(ps.id_category_default, p.id_category_default)
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AND cl.id_lang = p_id_lang
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AND cl.id_shop = p_id_shop
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LEFT JOIN ps_manufacturer m
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ON m.id_manufacturer = p.id_manufacturer
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WHERE p.id_product = p_id_product
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LIMIT 1;
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END //
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DELIMITER ;
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-- +goose Down
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