Add bulk pricing retrieval for products in region: Implement getAllProductPricesInRegion method in FalukantService, update FalukantController and router to support new endpoint, and modify BranchView to utilize bulk request for improved performance.

backend/controllers/falukantController.js

@@ -182,6 +182,13 @@ class FalukantController {
             }
             return this.service.getProductPriceInRegion(userId, productId, regionId);
         });
+        this.getAllProductPricesInRegion = this._wrapWithUser((userId, req) => {
+            const regionId = parseInt(req.query.regionId, 10);
+            if (Number.isNaN(regionId)) {
+                throw new Error('regionId is required');
+            }
+            return this.service.getAllProductPricesInRegion(userId, regionId);
+        });
         this.getProductPricesInCities = this._wrapWithUser((userId, req) => {
             const productId = parseInt(req.query.productId, 10);
             const currentPrice = parseFloat(req.query.currentPrice);

backend/routers/falukantRouter.js

@@ -73,6 +73,7 @@ router.get('/politics/open', falukantController.getOpenPolitics);
 router.post('/politics/open', falukantController.applyForElections);
 router.get('/cities', falukantController.getRegions);
 router.get('/products/price-in-region', falukantController.getProductPriceInRegion);
+router.get('/products/prices-in-region', falukantController.getAllProductPricesInRegion);
 router.get('/products/prices-in-cities', falukantController.getProductPricesInCities);
 router.get('/branches/:branchId/taxes', falukantController.getBranchTaxes);
 router.get('/vehicles/types', falukantController.getVehicleTypes);

backend/services/falukantService.js

@@ -566,7 +566,13 @@ class FalukantService extends BaseService {
     }
 
     async getBranches(hashedUserId) {
+        const startTime = Date.now();
+        console.log(`[getBranches] Start für userId: ${hashedUserId}`);
+        
         const u = await getFalukantUserOrFail(hashedUserId);
+        const userTime = Date.now();
+        console.log(`[getBranches] User geladen in ${userTime - startTime}ms`);
+        
         const bs = await Branch.findAll({
             where: { falukantUserId: u.id },
             include: [
@@ -591,6 +597,8 @@ class FalukantService extends BaseService {
             attributes: ['id', 'regionId'],
             order: [['branchTypeId', 'ASC']]
         });
+        const branchesTime = Date.now();
+        console.log(`[getBranches] Branches geladen (${bs.length} Stück) in ${branchesTime - userTime}ms`);
         
         // Lade Wetter explizit für alle Regionen, um sicherzustellen, dass es korrekt geladen wird
         const regionIds = [...new Set(bs.map(b => b.regionId))];
@@ -601,8 +609,10 @@ class FalukantService extends BaseService {
             ]
         });
         const weatherMap = new Map(weathers.map(w => [w.regionId, w.weatherType?.tr || null]));
+        const weatherTime = Date.now();
+        console.log(`[getBranches] Weather geladen in ${weatherTime - branchesTime}ms`);
         
-        return bs.map(b => {
+        const result = bs.map(b => {
             const branchJson = b.toJSON();
             // Verwende das explizit geladene Wetter, falls vorhanden, sonst das aus der Include-Beziehung
             const weather = weatherMap.get(b.regionId) || branchJson.region?.weather?.weatherType?.tr || null;
@@ -612,6 +622,11 @@ class FalukantService extends BaseService {
                 weather: weather
             };
         });
+        
+        const totalTime = Date.now() - startTime;
+        console.log(`[getBranches] Gesamtzeit: ${totalTime}ms für ${result.length} Branches`);
+        
+        return result;
     }
 
     async createBranch(hashedUserId, cityId, branchTypeId) {
@@ -4217,6 +4232,74 @@ class FalukantService extends BaseService {
         }
     }
 
+    async getAllProductPricesInRegion(hashedUserId, regionId) {
+        const startTime = Date.now();
+        console.log(`[getAllProductPricesInRegion] Start für userId: ${hashedUserId}, regionId: ${regionId}`);
+        
+        try {
+            const user = await this.getFalukantUserByHashedId(hashedUserId);
+            const userTime = Date.now();
+            console.log(`[getAllProductPricesInRegion] User geladen in ${userTime - startTime}ms`);
+            
+            const character = await FalukantCharacter.findOne({ where: { userId: user.id } });
+            if (!character) {
+                throw new Error(`No FalukantCharacter found for user with id ${user.id}`);
+            }
+            const characterTime = Date.now();
+            console.log(`[getAllProductPricesInRegion] Character geladen in ${characterTime - userTime}ms`);
+
+            // Lade alle Produkte auf einmal
+            const products = await ProductType.findAll({
+                attributes: ['id', 'sellCost']
+            });
+            const productsTime = Date.now();
+            console.log(`[getAllProductPricesInRegion] ${products.length} Produkte geladen in ${productsTime - characterTime}ms`);
+
+            // Lade alle Knowledge-Werte für diesen Character auf einmal
+            const knowledges = await Knowledge.findAll({
+                where: { characterId: character.id },
+                attributes: ['productId', 'knowledge']
+            });
+            const knowledgeMap = new Map(knowledges.map(k => [k.productId, k.knowledge || 0]));
+            const knowledgeTime = Date.now();
+            console.log(`[getAllProductPricesInRegion] ${knowledges.length} Knowledge-Werte geladen in ${knowledgeTime - productsTime}ms`);
+
+            // Lade alle TownProductWorth-Werte für diese Region auf einmal
+            const townWorths = await TownProductWorth.findAll({
+                where: { regionId: regionId },
+                attributes: ['productId', 'worthPercent']
+            });
+            const worthMap = new Map(townWorths.map(tw => [tw.productId, tw.worthPercent || 50]));
+            const worthTime = Date.now();
+            console.log(`[getAllProductPricesInRegion] ${townWorths.length} Worth-Werte geladen in ${worthTime - knowledgeTime}ms`);
+
+            // Berechne Preise für alle Produkte
+            const prices = {};
+            for (const product of products) {
+                if (product.sellCost === null || product.sellCost === undefined) {
+                    continue; // Überspringe Produkte ohne sellCost
+                }
+                
+                const knowledgeFactor = knowledgeMap.get(product.id) || 0;
+                const worthPercent = worthMap.get(product.id) || 50;
+                
+                // Verwende calcRegionalSellPrice mit bereits geladenem worthPercent
+                const price = await calcRegionalSellPrice(product, knowledgeFactor, regionId, worthPercent);
+                prices[product.id] = price;
+            }
+            const calcTime = Date.now();
+            console.log(`[getAllProductPricesInRegion] Preise berechnet in ${calcTime - worthTime}ms`);
+
+            const totalTime = Date.now() - startTime;
+            console.log(`[getAllProductPricesInRegion] Gesamtzeit: ${totalTime}ms für ${Object.keys(prices).length} Produkte`);
+
+            return { prices };
+        } catch (error) {
+            console.error(`[getAllProductPricesInRegion] Error for regionId=${regionId}:`, error);
+            throw error;
+        }
+    }
+
     async getProductPricesInCities(hashedUserId, productId, currentPrice, currentRegionId = null) {
         const user = await this.getFalukantUserByHashedId(hashedUserId);
         const character = await FalukantCharacter.findOne({ where: { userId: user.id } });

frontend/src/views/falukant/BranchView.vue

@@ -572,27 +572,42 @@ export default {
                 return;
             }
             
-            // Lade Preise für alle Produkte in der aktuellen Region
-            const prices = {};
-            for (const product of this.products) {
-                try {
-                    const { data } = await apiClient.get('/api/falukant/products/price-in-region', {
-                        params: {
-                            productId: product.id,
-                            regionId: this.selectedBranch.regionId
-                        }
-                    });
-                    prices[product.id] = data.price;
-                } catch (error) {
-                    console.error(`Error loading price for product ${product.id}:`, error);
-                    // Fallback auf Standard-Berechnung
-                    const knowledgeFactor = product.knowledges?.[0]?.knowledge || 0;
-                    const maxPrice = product.sellCost;
-                    const minPrice = maxPrice * 0.6;
-                    prices[product.id] = minPrice + (maxPrice - minPrice) * (knowledgeFactor / 100);
+            // Lade alle Preise für die Region auf einmal (Bulk-Request)
+            try {
+                const startTime = performance.now();
+                const { data } = await apiClient.get('/api/falukant/products/prices-in-region', {
+                    params: {
+                        regionId: this.selectedBranch.regionId
+                    }
+                });
+                const loadTime = performance.now() - startTime;
+                console.log(`[BranchView] Product prices loaded in ${loadTime.toFixed(2)}ms`);
+                this.productPricesCache = data.prices || {};
+            } catch (error) {
+                console.error(`Error loading product prices for region ${this.selectedBranch.regionId}:`, error);
+                // Fallback: Lade Preise einzeln (alte Methode)
+                console.warn('[BranchView] Falling back to individual product price requests');
+                const prices = {};
+                for (const product of this.products) {
+                    try {
+                        const { data } = await apiClient.get('/api/falukant/products/price-in-region', {
+                            params: {
+                                productId: product.id,
+                                regionId: this.selectedBranch.regionId
+                            }
+                        });
+                        prices[product.id] = data.price;
+                    } catch (err) {
+                        console.error(`Error loading price for product ${product.id}:`, err);
+                        // Fallback auf Standard-Berechnung
+                        const knowledgeFactor = product.knowledges?.[0]?.knowledge || 0;
+                        const maxPrice = product.sellCost;
+                        const minPrice = maxPrice * 0.6;
+                        prices[product.id] = minPrice + (maxPrice - minPrice) * (knowledgeFactor / 100);
+                    }
                 }
+                this.productPricesCache = prices;
             }
-            this.productPricesCache = prices;
         },
 
         formatPercent(value) {