Initial commit: Provisions-Tracker application
Node.js/Express + SQLite + Vanilla JS app for managing employee commissions on telecom activations (Telekom, Vodafone, O2, 1&1). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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/**
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* Commission Calculation Service
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*
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* This service handles all commission calculations for schaltungen.
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* It implements a fallback hierarchy for determining commission rates:
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* 1. Direct tariff commission (highest priority)
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* 2. Tariff-specific rules
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* 3. Global provider rules (fallback)
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* 4. Tariff options (additive)
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*/
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/**
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* Calculate shop commission based on hierarchy
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* @param {Object} schaltungData - Data from database including tariff and provider info
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* @param {Array} tarifoptionen - Selected tariff options for this schaltung
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* @returns {Object} Calculation result with amount, type, description, and source
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*/
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function calculateShopProvision(schaltungData, tarifoptionen) {
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let provision_typ = null;
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let provision_betrag = null;
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let provision_beschreibung = null;
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let berechnete_provision = 0;
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let quelle = 'Keine Shop-Provision definiert';
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// Priority 1: Direct tariff commission
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if (schaltungData.tarif_provision_typ && schaltungData.tarif_provision_betrag) {
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provision_typ = schaltungData.tarif_provision_typ;
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provision_betrag = schaltungData.tarif_provision_betrag;
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provision_beschreibung = schaltungData.tarif_provision_beschreibung;
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quelle = 'Direkte Tarif-Provision';
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}
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// Priority 2: Tariff-specific rule
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else if (schaltungData.regel_provision_typ && schaltungData.regel_provision_betrag) {
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provision_typ = schaltungData.regel_provision_typ;
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provision_betrag = schaltungData.regel_provision_betrag;
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provision_beschreibung = schaltungData.regel_provision_beschreibung;
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quelle = 'Tarif-spezifische Regel';
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}
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// Priority 3: Global provider rule as fallback
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else if (schaltungData.global_provision_typ && schaltungData.global_provision_betrag) {
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provision_typ = schaltungData.global_provision_typ;
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provision_betrag = schaltungData.global_provision_betrag;
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provision_beschreibung = schaltungData.global_provision_beschreibung;
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quelle = 'Globale Anbieter-Regel';
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}
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// Calculate base commission
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if (provision_typ && provision_betrag) {
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if (provision_typ === 'fix') {
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berechnete_provision = parseFloat(provision_betrag);
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} else if (provision_typ === 'prozent') {
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const basisBetrag = 100; // This could come from tariff table
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berechnete_provision = (parseFloat(provision_betrag) / 100) * basisBetrag;
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}
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}
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// Add tarifoptionen to commission
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let tarifoptionen_provision = 0;
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let verwendete_tarifoptionen = [];
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if (tarifoptionen && tarifoptionen.length > 0) {
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tarifoptionen.forEach(option => {
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if (option.provision_betrag && option.provision_betrag > 0) {
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tarifoptionen_provision += parseFloat(option.provision_betrag);
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verwendete_tarifoptionen.push(option.name);
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}
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});
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}
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berechnete_provision += tarifoptionen_provision;
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// Update description if tarifoptionen were added
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if (tarifoptionen_provision > 0) {
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const tarifoptionen_text = verwendete_tarifoptionen.join(', ');
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provision_beschreibung = provision_beschreibung
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? `${provision_beschreibung} + Tarifoptionen: ${tarifoptionen_text}`
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: `Tarifoptionen: ${tarifoptionen_text}`;
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}
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return {
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typ: provision_typ,
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betrag: provision_betrag,
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beschreibung: provision_beschreibung,
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berechnete_provision: berechnete_provision,
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quelle: quelle,
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tarifoptionen_provision: tarifoptionen_provision
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};
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}
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/**
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* Calculate employee commission based on hierarchy
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* @param {Object} schaltungData - Data from database including tariff and provider info
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* @param {number} shopProvision - Calculated shop commission (for percentage calculations)
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* @returns {Object} Calculation result with amount, type, description, and source
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*/
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function calculateMitarbeiterProvision(schaltungData, shopProvision) {
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let provision_typ = null;
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let provision_betrag = null;
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let provision_beschreibung = null;
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let berechnete_provision = 0;
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let quelle = 'Keine Mitarbeiter-Provision definiert';
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// Priority 1: Direct tariff employee commission
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if (schaltungData.tarif_verkaeufer_provision_typ && schaltungData.tarif_verkaeufer_provision_betrag) {
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provision_typ = schaltungData.tarif_verkaeufer_provision_typ;
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provision_betrag = schaltungData.tarif_verkaeufer_provision_betrag;
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provision_beschreibung = schaltungData.tarif_verkaeufer_provision_beschreibung;
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quelle = 'Direkte Tarif-Verkäufer-Provision';
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}
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// Priority 2: Tariff-specific rule employee commission
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else if (schaltungData.regel_verkaeufer_provision_typ && schaltungData.regel_verkaeufer_provision_betrag) {
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provision_typ = schaltungData.regel_verkaeufer_provision_typ;
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provision_betrag = schaltungData.regel_verkaeufer_provision_betrag;
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provision_beschreibung = schaltungData.regel_verkaeufer_provision_beschreibung;
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quelle = 'Tarif-spezifische Verkäufer-Regel';
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}
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// Priority 3: Global provider rule employee commission
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else if (schaltungData.global_verkaeufer_provision_typ && schaltungData.global_verkaeufer_provision_betrag) {
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provision_typ = schaltungData.global_verkaeufer_provision_typ;
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provision_betrag = schaltungData.global_verkaeufer_provision_betrag;
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provision_beschreibung = schaltungData.global_verkaeufer_provision_beschreibung;
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quelle = 'Globale Anbieter-Verkäufer-Regel';
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}
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// Calculate employee commission
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if (provision_typ && provision_betrag) {
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if (provision_typ === 'fix') {
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berechnete_provision = parseFloat(provision_betrag);
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} else if (provision_typ === 'prozent') {
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// If percentage, calculate based on shop commission
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berechnete_provision = (parseFloat(provision_betrag) / 100) * shopProvision;
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}
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}
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return {
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typ: provision_typ,
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betrag: provision_betrag,
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beschreibung: provision_beschreibung,
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berechnete_provision: berechnete_provision,
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quelle: quelle
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};
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}
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/**
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* Main function to calculate all commissions for a schaltung
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* @param {Object} schaltungData - Complete schaltung data with tariff and provider info
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* @param {Array} tarifoptionen - Selected tariff options
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* @returns {Object} Complete commission calculation result
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*/
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function calculateProvision(schaltungData, tarifoptionen) {
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const shopResult = calculateShopProvision(schaltungData, tarifoptionen);
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const mitarbeiterResult = calculateMitarbeiterProvision(schaltungData, shopResult.berechnete_provision);
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return {
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schaltung: {
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id: schaltungData.id,
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schaltungs_id: schaltungData.schaltungs_id,
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tarif: schaltungData.tarif_name,
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anbieter: schaltungData.anbieter_name
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},
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shop_provision: {
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typ: shopResult.typ,
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betrag: shopResult.betrag,
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beschreibung: shopResult.beschreibung,
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berechnete_provision: shopResult.berechnete_provision,
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quelle: shopResult.quelle
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},
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mitarbeiter_provision: {
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typ: mitarbeiterResult.typ,
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betrag: mitarbeiterResult.betrag,
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beschreibung: mitarbeiterResult.beschreibung,
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berechnete_provision: mitarbeiterResult.berechnete_provision,
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quelle: mitarbeiterResult.quelle,
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prozentsatz: schaltungData.mitarbeiter_prozentsatz || 0
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},
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tarifoptionen: tarifoptionen || [],
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tarifoptionen_provision: shopResult.tarifoptionen_provision
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};
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}
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module.exports = {
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calculateProvision,
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calculateShopProvision,
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calculateMitarbeiterProvision
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};
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