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fix(scale): auto-fill broken for conf products (e.g. latte)

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Two root causes:
1. _useNormalUnit was stale ('pz') for conf products because it's only
   updated in normal mode — fix: resolve effective unit from
   _useConfMode.packageUnit when in sub mode
2. Food scales in liquid mode send unit='ml' directly — was falling
   through to raw value, skipping density; fix: detect scaleAlreadyMl
   flag to use ml directly for ml target, or apply density for g target
Also: add scale pre-fill call after switchUseUnit('sub') in conf mode
This commit is contained in:
dadaloop82
2026-04-15 21:12:37 +00:00
parent 7144ec7386
commit 951ef1d64f
2 changed files with 40 additions and 15 deletions
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assets/js/app.js
+39 -14
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@@ -162,35 +162,58 @@ function _scaleDensityForProduct(product) {
/**
* Auto-fill the use-quantity input with a stable scale reading (no modal needed).
* Only active when on the 'use' page with g/ml unit and user hasn't manually edited.
* Skips pz, conf, and all other non-weight units.
* Works for normal mode (g/ml) and conf sub-unit mode (e.g. latte = conf × 1000ml).
* Skips pz, conf-unit mode, and all non-weight units.
*/
function _scaleAutoFillUse(msg) {
if (!msg) return;
const unit = _useNormalUnit;
if (unit !== 'g' && unit !== 'ml') return; // never touch pz/conf/etc
// Determine the effective target unit:
// - conf/sub mode → use the package sub-unit (e.g. ml for milk, g for pasta)
// - normal mode → _useNormalUnit
let unit;
if (_useConfMode && _useConfMode._activeUnit === 'sub') {
unit = (_useConfMode.packageUnit || '').toLowerCase();
} else {
unit = _useNormalUnit;
}
if (unit !== 'g' && unit !== 'ml') return; // never touch pz/conf-unit/etc
const rawVal = parseFloat(msg.value);
if (!isFinite(rawVal) || rawVal <= 0) return;
const srcUnit = (msg.unit || '').toLowerCase();
// Step 1 — normalise scale reading to grams
// Step 1 — normalise to grams (or handle ml-from-scale directly)
let grams;
if (srcUnit === 'g') grams = rawVal;
else if (srcUnit === 'kg') grams = rawVal * 1000;
let scaleAlreadyMl = false;
if (srcUnit === 'g') grams = rawVal;
else if (srcUnit === 'kg') grams = rawVal * 1000;
else if (srcUnit === 'lbs' || srcUnit === 'lb') grams = rawVal * 453.592;
else if (srcUnit === 'oz') grams = rawVal * 28.3495;
else grams = rawVal; // unknown — use as-is
else if (srcUnit === 'oz') grams = rawVal * 28.3495;
else if (srcUnit === 'ml') { grams = rawVal; scaleAlreadyMl = true; } // scale in liquid mode
else grams = rawVal;
// Step 2 — convert grams to target unit
// Step 2 — convert to target unit
let val;
let hintExtra = '';
if (unit === 'g') {
val = Math.round(grams);
// If scale reported ml, convert via density to get grams
if (scaleAlreadyMl) {
const density = _scaleDensityForProduct(currentProduct);
val = Math.round(grams * density);
if (density !== 1.00) hintExtra = ` (densità ${density} g/ml)`;
} else {
val = Math.round(grams);
}
} else { // ml
const density = _scaleDensityForProduct(currentProduct);
val = Math.round(grams / density);
if (density !== 1.00) hintExtra = ` (densità ${density} g/ml)`;
if (scaleAlreadyMl) {
// Scale already in ml — use directly without density conversion
val = Math.round(grams);
} else {
const density = _scaleDensityForProduct(currentProduct);
val = Math.round(grams / density);
if (density !== 1.00) hintExtra = ` (densità ${density} g/ml)`;
}
}
const inp = document.getElementById('use-quantity');
@@ -4580,6 +4603,8 @@ async function loadUseInventoryInfo() {
// Default to sub-unit mode
switchUseUnit('sub');
// Pre-fill with latest scale reading if available
if (_scaleLatestWeight && !_scaleAutoFillPaused) _scaleAutoFillUse(_scaleLatestWeight);
} else {
// --- NORMAL MODE ---
_useConfMode = null;