- Add units + unit_translations tables with FK constraints on products and ingredient_mappings - Normalize products.unit from Russian strings (г, кг) to English codes (g, kg) - Load units at startup (in-memory registry) and serve via GET /units (language-aware) - Replace hardcoded _units lists and _mapUnit() functions in Flutter with unitsProvider FutureProvider - Re-fetches automatically when language changes Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
59 lines
1.9 KiB
SQL
59 lines
1.9 KiB
SQL
-- +goose Up
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CREATE TABLE units (
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code VARCHAR(20) PRIMARY KEY,
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sort_order SMALLINT NOT NULL DEFAULT 0
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);
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INSERT INTO units (code, sort_order) VALUES
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('g', 1),
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('kg', 2),
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('ml', 3),
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('l', 4),
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('pcs', 5),
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('pack', 6);
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CREATE TABLE unit_translations (
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unit_code VARCHAR(20) NOT NULL REFERENCES units(code) ON DELETE CASCADE,
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lang VARCHAR(10) NOT NULL,
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name TEXT NOT NULL,
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PRIMARY KEY (unit_code, lang)
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);
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INSERT INTO unit_translations (unit_code, lang, name) VALUES
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('g', 'ru', 'г'),
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('kg', 'ru', 'кг'),
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('ml', 'ru', 'мл'),
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('l', 'ru', 'л'),
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('pcs', 'ru', 'шт'),
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('pack', 'ru', 'уп');
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-- Normalize products.unit from Russian display strings to English codes
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UPDATE products SET unit = 'g' WHERE unit = 'г';
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UPDATE products SET unit = 'kg' WHERE unit = 'кг';
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UPDATE products SET unit = 'ml' WHERE unit = 'мл';
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UPDATE products SET unit = 'l' WHERE unit = 'л';
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UPDATE products SET unit = 'pcs' WHERE unit = 'шт';
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UPDATE products SET unit = 'pack' WHERE unit = 'уп';
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-- Normalize any remaining unknown values
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UPDATE products SET unit = 'pcs' WHERE unit NOT IN (SELECT code FROM units);
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-- Nullify unknown default_unit values in ingredient_mappings before adding FK
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UPDATE ingredient_mappings
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SET default_unit = NULL
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WHERE default_unit IS NOT NULL
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AND default_unit NOT IN (SELECT code FROM units);
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-- Foreign key constraints
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ALTER TABLE products
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ADD CONSTRAINT fk_product_unit
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FOREIGN KEY (unit) REFERENCES units(code);
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ALTER TABLE ingredient_mappings
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ADD CONSTRAINT fk_default_unit
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FOREIGN KEY (default_unit) REFERENCES units(code);
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-- +goose Down
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ALTER TABLE ingredient_mappings DROP CONSTRAINT IF EXISTS fk_default_unit;
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ALTER TABLE products DROP CONSTRAINT IF EXISTS fk_product_unit;
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DROP TABLE IF EXISTS unit_translations;
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DROP TABLE IF EXISTS units;
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