81 lines
4.7 KiB
SQL
81 lines
4.7 KiB
SQL
-- Experiment to replace listprices table with a view
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-- Move local price adjustments from yaml file in API2 to table so we can access data
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CREATE TYPE price_adjustments_product_type AS ENUM ('product', 'inquiry');
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CREATE TABLE price_adjustments (
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market_id int REFERENCES markets (id) NOT NULL,
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material_id int REFERENCES "product-materials" (materialid) NOT NULL,
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product_type price_adjustments_product_type NOT NULL,
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value numeric NOT NULL,
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inserted timestamp with time zone DEFAULT now(),
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updated timestamp with time zone,
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UNIQUE (market_id, material_id, product_type)
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);
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CREATE TRIGGER updated_timestamp BEFORE UPDATE ON price_adjustments FOR EACH ROW EXECUTE PROCEDURE updated_timestamp();
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INSERT INTO price_adjustments (market_id, material_id, product_type, value) VALUES
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((select id from markets where name = 'IT'), (select materialid from "product-materials" where material = 'standard-wallpaper'), 'inquiry', 1.1034),
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((select id from markets where name = 'GB'), (select materialid from "product-materials" where material = 'standard-wallpaper'), 'inquiry', 1.1154),
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((select id from markets where name = 'DE'), (select materialid from "product-materials" where material = 'standard-wallpaper'), 'inquiry', 1.0625),
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((select id from markets where name = 'GB'), (select materialid from "product-materials" where material = 'standard-wallpaper'), 'product', 1.1154),
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((select id from markets where name = 'DE'), (select materialid from "product-materials" where material = 'standard-wallpaper'), 'product', 1.0625),
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((select id from markets where name = 'IT'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'inquiry', 1.1250),
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((select id from markets where name = 'SE'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'inquiry', 1.0462),
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((select id from markets where name = 'GB'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'inquiry', 1.1034),
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((select id from markets where name = 'DE'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'inquiry', 1.1143),
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((select id from markets where name = 'NL'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'inquiry', 1.0833),
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((select id from markets where name = 'GB'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'product', 1.1034),
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((select id from markets where name = 'DE'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'product', 1.1143),
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((select id from markets where name = 'SE'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'product', 1.0462),
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((select id from markets where name = 'NL'), (select materialid from "product-materials" where material = 'premium-wallpaper'), 'product', 1.0833)
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;
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create view v_listprices as
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select
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printid printproduct_id,
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markets.id market_id,
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round(
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-- Base price
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CASE
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WHEN groupid IN (1,3) THEN -- Wallpaper
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(select (price/100.0) from "product-materials" where material = 'standard-wallpaper')
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WHEN groupid = 2 THEN -- Canvas
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(select min(price_sek) from external_print_products where group_id = 2)
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WHEN groupid IN (7,8) THEN -- Poster
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(select min(price_sek) from external_print_products where group_id in (7,8))
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END
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-- Market price adjustment, and VAT, and currency exchange rate
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* exchange_rate * price_adjustment * vat
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-- Designer price premium, if exist
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* (coalesce(
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CASE
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WHEN groupid IN (1,3) THEN pricepremium_wallpaper
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WHEN groupid = 2 THEN pricepremium_canvas
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WHEN groupid = 7 THEN pricepremium_poster
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WHEN groupid = 8 THEN pricepremium_framed_print
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END
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, 1) / 100.0 + 1)
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-- Local product type adjustments, if wallpaper, and if exists
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* COALESCE(
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CASE WHEN groupid in (1,3) THEN
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(select value from price_adjustments where material_id = 1 and product_type = 'product' and market_id = markets.id limit 1)
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END
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, 1.0)
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-- Round to two decimals (to allow for more precision when shown as sq feet)
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, 2) listprice
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from
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"product-printproducts"
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join "product-products" using (productid)
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left join designers using (designerid),
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markets join "product-currencies" on currency = iso3char
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;
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COMMENT ON COLUMN v_listprices.listprice IS 'Canvas and poster listprice:
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Start with price (SEK) for cheapest canvas/poster size.
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Multiply with market price adjustment, VAT and currency exchange rate.
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Multiply with designer price premium, if exists.
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Round to two decimals.
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Wallpaper listprice:
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Same as poster/canvas, but start with the price for 1 m/2 standard wallpaper.
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Also include local wallpaper price adjustments (per market, product type, and material) if exists.';
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