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feat(receipt-import): enhance receipt processing with new category rules and add unit tests

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Co-authored-by: Copilot <copilot@github.com>
This commit is contained in:
Nils-Johan Gynther
2026-05-03 19:55:32 +02:00
parent 85b41f8587
commit 5b6d44b555
5 changed files with 276 additions and 5 deletions
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backend/src/receipt-import/receipt-import.service.ts
+168 -2
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@@ -32,7 +32,7 @@ function tokenize(value: string): string[] {
.filter((w) => w.length >= 3);
}
function isIgnoredReceiptName(value: string | null | undefined): boolean {
export function isIgnoredReceiptName(value: string | null | undefined): boolean {
const normalized = (value ?? '').trim().toLowerCase();
if (!normalized) return false;
@@ -44,6 +44,7 @@ function isIgnoredReceiptName(value: string | null | undefined): boolean {
if (/^totalt\b/.test(normalized)) return true;
if (/^kort\b/.test(normalized)) return true;
if (/^kontant\b/.test(normalized)) return true;
if (/^willys\s+plus\s*[:\-]?\b/.test(normalized)) return true;
return false;
}
@@ -732,6 +733,38 @@ export class ReceiptImportService {
if (hit) return hit;
}
// ── Regel: Pasta (inkl. italienska formatnamn) ─────────────────────
const hasPastaSignal =
/\bmezze\b/.test(normalized) ||
/\bmaniche\b/.test(normalized) ||
/\bpenne\b/.test(normalized) ||
/\brigatoni\b/.test(normalized) ||
/\bfusilli\b/.test(normalized) ||
/\bspaghetti\b/.test(normalized) ||
/\btagliatelle\b/.test(normalized) ||
/\bmakaron\w*\b/.test(normalized) ||
/\bgnocchi\b/.test(normalized) ||
/\blasagne\b/.test(normalized) ||
/\bpasta\b/.test(normalized);
if (hasPastaSignal) {
const freshPasta = findCategory({
name: 'färsk pasta',
startsWith: 'skafferi > pasta, ris & matgryn > ',
});
if (/\bfarsk\b/.test(normalized) || /\bfresh\b/.test(normalized)) {
const freshHit = toSuggestion(freshPasta, 'high');
if (freshHit) return freshHit;
}
const pasta = findCategory({
name: 'pasta',
startsWith: 'skafferi > pasta, ris & matgryn > ',
});
const pastaHit = toSuggestion(pasta, 'high');
if (pastaHit) return pastaHit;
}
// ── Regel: Grädde/matlagningsgrädde (icke-allergi) ─────────────────
const hasCreamSignal =
/\bvispgradde\b/.test(normalized) ||
@@ -749,6 +782,13 @@ export class ReceiptImportService {
/\bplant\b/.test(normalized);
if (hasCreamSignal && !hasPlantOrAllergySignal) {
const l3Cream = findCategory({
name: 'grädde',
startsWith: 'mejeri, ost & ägg > matlagning > ',
});
const l3Hit = toSuggestion(l3Cream, 'high');
if (l3Hit) return l3Hit;
const l2CookingDairy = findCategory({
name: 'matlagning',
startsWith: 'mejeri, ost & ägg > ',
@@ -783,7 +823,7 @@ export class ReceiptImportService {
if (fallbackHit) return fallbackHit;
}
// ── Regel: Ägg (saknar egen L2/L3 i nuvarande träd) ────────────────
// ── Regel: Ägg ──────────────────────────────────────────────────────
const hasEggSignal =
/\bagg\b/.test(normalized) ||
/\begg\b/.test(normalized) ||
@@ -791,6 +831,21 @@ export class ReceiptImportService {
/\b24p\b/.test(normalized);
if (hasEggSignal) {
const l2Egg = categories.find(
(c) =>
c.name.toLowerCase() === 'ägg' &&
c.path.toLowerCase() === 'mejeri, ost & ägg > ägg',
);
if (l2Egg) {
return {
categoryId: l2Egg.id,
categoryName: l2Egg.name,
path: l2Egg.path,
confidence: 'high',
usedFallback: false,
};
}
const l1DairyEgg = categories.find(
(c) => c.path.toLowerCase() === 'mejeri, ost & ägg',
);
@@ -805,6 +860,30 @@ export class ReceiptImportService {
}
}
// ── Regel: Juice/fruktdryck/smoothie ───────────────────────────────
const hasJuiceSignal =
/\bjuice\b/.test(normalized) ||
/\bnektar\b/.test(normalized) ||
/\bfruktdryck\b/.test(normalized) ||
/\bsmoothie\b/.test(normalized) ||
/\bmultivitamin\b/.test(normalized);
if (hasJuiceSignal) {
const l3ColdJuice = findCategory({
name: 'kyld juice & nektar',
startsWith: 'dryck > juice, fruktdryck & smoothie > ',
});
const l3Hit = toSuggestion(l3ColdJuice, 'high');
if (l3Hit) return l3Hit;
const l2Juice = findCategory({
name: 'juice, fruktdryck & smoothie',
startsWith: 'dryck > ',
});
const l2Hit = toSuggestion(l2Juice, 'high');
if (l2Hit) return l2Hit;
}
// ── Regel: Te ────────────────────────────────────────────────────────
const isTea =
/\bte\b/.test(normalized) ||
@@ -829,6 +908,7 @@ export class ReceiptImportService {
// ── Regel: Kaffebröd ─────────────────────────────────────────────────
const isKaffebrod =
/\bkaffebrod\b/.test(normalized) ||
/\bwienerbrod\b/.test(normalized) ||
/\bdonut\b/.test(normalized) ||
/\bmunk\b/.test(normalized) ||
@@ -857,6 +937,55 @@ export class ReceiptImportService {
}
}
// ── Regel: Godis/chokladkakor ──────────────────────────────────────
const isChocolateBar =
/\bsnickers\b/.test(normalized) ||
/\bmars\b/.test(normalized) ||
/\btwix\b/.test(normalized) ||
/\bbounty\b/.test(normalized) ||
/\bkitkat\b/.test(normalized) ||
/\bdajm\b/.test(normalized) ||
/\bjapp\b/.test(normalized);
if (isChocolateBar) {
const l3ChocolateBars = findCategory({
name: 'chokladkakor & rullar',
startsWith: 'glass, godis & snacks > choklad > ',
});
const hit = toSuggestion(l3ChocolateBars, 'high');
if (hit) return hit;
}
const isCandyBagLike =
/\bnappar\b/.test(normalized) ||
/\bgodispas\w*\b/.test(normalized);
if (isCandyBagLike) {
const l3CandyBag = findCategory({
name: 'godispåsar',
startsWith: 'glass, godis & snacks > godis > ',
});
const hit = toSuggestion(l3CandyBag, 'high');
if (hit) return hit;
}
// ── Regel: Potatis (färsk) ─────────────────────────────────────────
const hasPotatoSignal = /\bpotatis\b/.test(normalized);
const hasFrozenPotatoSignal =
/\bfryst\b/.test(normalized) ||
/\bdjupfryst\b/.test(normalized) ||
/\bpommes\b/.test(normalized) ||
/\bstrips?\b/.test(normalized);
if (hasPotatoSignal && !hasFrozenPotatoSignal) {
const l3Potato = findCategory({
name: 'potatis',
startsWith: 'frukt & grönt > potatis & rotsaker > ',
});
const l3Hit = toSuggestion(l3Potato, 'high');
if (l3Hit) return l3Hit;
}
// ── Regel: Laktosfri/växtbaserad mejeri ──────────────────────────────
const isCookingBase =
/\bmatlagningsbas\b/.test(normalized) ||
@@ -979,6 +1108,24 @@ export class ReceiptImportService {
/\b24p\b/.test(normalized);
if (hasEggSignal && suggestion.path.toLowerCase().includes('allergi mejeri')) {
const l2Egg = categories.find(
(c) =>
c.name.toLowerCase() === 'ägg' &&
c.path.toLowerCase() === 'mejeri, ost & ägg > ägg',
);
if (l2Egg) {
this.logger.log(
`AI contradiction-guard: "${rawName}" remappas från "${suggestion.path}" till "${l2Egg.path}"`,
);
return {
categoryId: l2Egg.id,
categoryName: l2Egg.name,
path: l2Egg.path,
confidence: 'high',
usedFallback: true,
};
}
const l1DairyEgg = categories.find(
(c) => c.path.toLowerCase() === 'mejeri, ost & ägg',
);
@@ -1022,6 +1169,25 @@ export class ReceiptImportService {
);
if (!l2CookingDairy) return suggestion;
const l3Cream = categories.find(
(c) =>
c.name.toLowerCase() === 'grädde' &&
c.path.toLowerCase().startsWith('mejeri, ost & ägg > matlagning > '),
);
if (l3Cream) {
this.logger.log(
`AI contradiction-guard: "${rawName}" remappas från "${suggestion.path}" till "${l3Cream.path}"`,
);
return {
categoryId: l3Cream.id,
categoryName: l3Cream.name,
path: l3Cream.path,
confidence: 'high',
usedFallback: true,
};
}
this.logger.log(
`AI contradiction-guard: "${rawName}" remappas från "${suggestion.path}" till "${l2CookingDairy.path}"`,
);