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Block product deletion if used in food log or recipes

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4aiman 2026-05-31 00:48:23 +03:00
commit b4255ef2d5
2 changed files with 12 additions and 3 deletions
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10
frontend/js/db.js
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@ -162,10 +162,13 @@ async function addProduct(p) {
return rows[0]?.id;
}
async function getProductRefs(id) {
const food = await select("SELECT COUNT(*) as cnt FROM food_log WHERE product_id = ?1", [id]);
const recipes = await select("SELECT COUNT(*) as cnt FROM recipe_ingredients WHERE product_id = ?1", [id]);
return { food: food[0]?.cnt || 0, recipes: recipes[0]?.cnt || 0 };
}
async function deleteProduct(id) {
// Reassign food_log and recipe_ingredients to avoid orphaned references
await execute("UPDATE food_log SET product_id = NULL WHERE product_id = ?1", [id]);
await execute("UPDATE recipe_ingredients SET product_id = 0 WHERE product_id = ?1", [id]);
await execute("DELETE FROM products WHERE id = ?1", [id]);
}
@ -906,6 +909,7 @@ window.DB.searchProducts = searchProducts;
window.DB.getProduct = getProduct;
window.DB.addProduct = addProduct;
window.DB.deleteProduct = deleteProduct;
window.DB.getProductRefs = getProductRefs;
window.DB.getFoodForDate = getFoodForDate;
window.DB.addFoodManual = addFoodManual;
window.DB.addFoodEntry = addFoodEntry;

5
frontend/js/main.js
View file

@ -1326,6 +1326,11 @@ async function renderProducts(container) {
btn.onclick = async e => {
e.stopPropagation();
const pid = parseInt(btn.dataset.pid);
const refs = await DB.getProductRefs(pid);
if (refs.food > 0 || refs.recipes > 0) {
alert(`Нельзя удалить: продукт используется в ${refs.food ? refs.food + " записях еды" : ""}${refs.food && refs.recipes ? " и " : ""}${refs.recipes ? refs.recipes + " рецептах" : ""}`);
return;
}
await DB.deleteProduct(pid);
doSearch(false);
};