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Enable support for multiple products within a single sale
Implements multi-product sales functionality by adding a `sale_products` table, updating the sales form, and modifying server-side logic. Replit-Commit-Author: Agent Replit-Commit-Session-Id: e80fed01-7137-4997-b9af-dad57132d430 Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/e80fed01-7137-4997-b9af-dad57132d430/58t7aEc
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-- Migration pour les ventes multi-produits
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-- Cette migration convertit les ventes existantes vers le nouveau système
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-- 1. Créer la nouvelle table sale_products
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CREATE TABLE IF NOT EXISTS sale_products (
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id SERIAL PRIMARY KEY,
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sale_id INTEGER REFERENCES sales(id) ON DELETE CASCADE NOT NULL,
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type_article VARCHAR(255) NOT NULL,
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categorie VARCHAR(2) NOT NULL,
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quantite INTEGER NOT NULL,
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gencode VARCHAR(13) NOT NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- 2. Migrer les données existantes des ventes vers sale_products
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INSERT INTO sale_products (sale_id, type_article, categorie, quantite, gencode)
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SELECT
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id,
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type_article,
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categorie,
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quantite,
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gencode
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FROM sales
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WHERE type_article IS NOT NULL;
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-- 3. Supprimer les colonnes produit de la table sales (après migration réussie)
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-- Ces commandes seront exécutées après validation de la migration
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-- ALTER TABLE sales DROP COLUMN type_article;
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-- ALTER TABLE sales DROP COLUMN categorie;
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-- ALTER TABLE sales DROP COLUMN quantite;
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-- ALTER TABLE sales DROP COLUMN gencode;
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-- 4. Créer les index pour optimiser les recherches
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CREATE INDEX IF NOT EXISTS idx_sale_products_sale_id ON sale_products(sale_id);
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CREATE INDEX IF NOT EXISTS idx_sale_products_gencode ON sale_products(gencode);
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-- 5. Ajouter les contraintes
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ALTER TABLE sale_products ADD CONSTRAINT chk_sale_products_categorie
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CHECK (categorie IN ('F2', 'F3'));
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-- 6. Mettre à jour les séquences
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SELECT setval('sale_products_id_seq', (SELECT COALESCE(MAX(id), 1) FROM sale_products));
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