fix(build): add pg and @types/pg dependencies, add master courier fallbacks and compile live tracking (v2.4.1)
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Vendored
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import axios from "axios";
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// Google Maps Platform Skill Attribution & Governance
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// Attribution ID: gmp_git_agentskills_v1
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const GMP_ATTRIBUTION_ID = "gmp_git_agentskills_v1";
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export class GoogleMapsAdapter {
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apiKey;
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defaultHub = {
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// Dhaka Central Logistics Hub (Tejgaon / Mirpur axis)
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lat: 23.7925,
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lng: 90.4078,
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name: "Aura Central Sorting Hub, Dhaka",
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};
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constructor(apiKey = "") {
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this.apiKey = apiKey || process.env.GOOGLE_MAPS_API_KEY || "";
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}
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isConfigured() {
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return Boolean(this.apiKey);
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}
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/**
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* Validate and Geocode Bangladesh Address using Google Maps Geocoding API
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*/
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async validateAndGeocode(req) {
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const fullQuery = [req.address, req.thana, req.district, "Bangladesh"]
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.filter(Boolean)
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.join(", ");
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if (!this.apiKey) {
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return this.fallbackAddressParse(req);
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}
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try {
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const url = `https://maps.googleapis.com/maps/api/geocode/json`;
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const res = await axios.get(url, {
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params: {
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address: fullQuery,
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components: "country:BD",
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language: "bn,en",
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key: this.apiKey,
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},
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timeout: 8000,
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});
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const data = res.data;
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if (data.status !== "OK" || !data.results || !data.results.length) {
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return this.fallbackAddressParse(req);
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}
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const result = data.results[0];
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const components = result.address_components || [];
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const location = result.geometry?.location || { lat: 23.8103, lng: 90.4125 };
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const locType = result.geometry?.location_type || "APPROXIMATE";
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let thana = "";
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let district = "";
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let division = "";
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for (const c of components) {
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const types = c.types || [];
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if (types.includes("sublocality") || types.includes("sublocality_level_1") || types.includes("neighborhood")) {
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thana = c.long_name;
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}
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else if (types.includes("administrative_area_level_2")) {
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district = c.long_name;
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}
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else if (types.includes("administrative_area_level_1")) {
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division = c.long_name;
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}
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}
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let confidence = 50;
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if (locType === "ROOFTOP")
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confidence = 98;
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else if (locType === "RANGE_INTERPOLATED")
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confidence = 85;
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else if (locType === "GEOMETRIC_CENTER")
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confidence = 70;
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return {
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success: true,
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formatted_address: result.formatted_address,
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thana: thana || req.thana || "",
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district: district || req.district || "Dhaka",
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division: division || "Dhaka Division",
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coordinates: {
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lat: location.lat,
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lng: location.lng,
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},
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location_type: locType,
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is_deliverable: confidence >= 60,
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confidence_score: confidence,
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place_id: result.place_id,
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};
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}
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catch (err) {
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return this.fallbackAddressParse(req);
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}
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}
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/**
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* Compute Road Distance & Classify Delivery Zone via Google Routes API
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*/
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async calculateDeliveryZoneAndFee(req) {
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let destLat = req.destination_coords?.lat;
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let destLng = req.destination_coords?.lng;
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if (!destLat || !destLng) {
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const geo = await this.validateAndGeocode({ address: req.recipient_address });
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destLat = geo.coordinates.lat;
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destLng = geo.coordinates.lng;
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}
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let roadDistanceKm = 0;
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let routeSummary = "";
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if (this.apiKey && destLat && destLng) {
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try {
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const routesUrl = "https://routes.googleapis.com/directions/v2:computeRoutes";
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const routesRes = await axios.post(routesUrl, {
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origin: { location: { latLng: { latitude: this.defaultHub.lat, longitude: this.defaultHub.lng } } },
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destination: { location: { latLng: { latitude: destLat, longitude: destLng } } },
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travelMode: "DRIVE",
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}, {
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headers: {
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"Content-Type": "application/json",
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"X-Goog-Api-Key": this.apiKey,
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"X-Goog-FieldMask": "routes.distanceMeters,routes.duration,routes.description",
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},
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timeout: 8000,
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});
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const route = routesRes.data?.routes?.[0];
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if (route && route.distanceMeters) {
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roadDistanceKm = Math.round((route.distanceMeters / 1000) * 10) / 10;
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routeSummary = route.description || "";
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}
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}
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catch (routesErr) {
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roadDistanceKm = this.haversineDistance(this.defaultHub.lat, this.defaultHub.lng, destLat, destLng);
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}
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}
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else if (destLat && destLng) {
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roadDistanceKm = this.haversineDistance(this.defaultHub.lat, this.defaultHub.lng, destLat, destLng);
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}
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const addr = req.recipient_address.toLowerCase();
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const isSubDhakaArea = /savar|gazipur|keraniganj|narayanganj|সাভার|গাজীপুর|কেরানীগঞ্জ|নারায়ণগঞ্জ/i.test(addr);
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let zone = "outside_dhaka";
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let zoneTitle = "ঢাকার বাইরে (সারা বাংলাদেশ)";
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let fee = 150;
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let hours = "৭২–৯৬ ঘণ্টা";
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if (roadDistanceKm > 0 && roadDistanceKm <= 22 && !isSubDhakaArea) {
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zone = "inside_dhaka";
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zoneTitle = "ঢাকার ভেতরে (মেট্রোপলিটন)";
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fee = 80;
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hours = "২৪–৪৮ ঘণ্টা (সরাসরি হোম ডেলিভারি)";
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}
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else if ((roadDistanceKm > 22 && roadDistanceKm <= 45) || isSubDhakaArea) {
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zone = "sub_dhaka";
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zoneTitle = "সাব-ঢাকা (আশপাশের অঞ্চল)";
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fee = 100;
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hours = "৪৮–৭২ ঘণ্টা";
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}
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return {
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success: true,
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zone,
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zone_title: zoneTitle,
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road_distance_km: roadDistanceKm,
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estimated_delivery_hours: hours,
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standard_delivery_fee: fee,
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cod_charge_percentage: 1.0,
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route_summary: routeSummary || `Hub to Destination (~${roadDistanceKm} km)`,
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};
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}
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/**
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* Enterprise Multi-Carrier Rate Comparison (Steadfast vs Pathao vs RedX vs Paperfly)
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*/
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async compareRates(req) {
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const zoneInfo = await this.calculateDeliveryZoneAndFee({
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recipient_address: req.recipient_address,
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weight_kg: req.weight_kg || 0.5,
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});
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const weight = req.weight_kg || 0.5;
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const cod = req.cod_amount || 0;
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const extraKg = Math.max(0, Math.ceil(weight - 1.0));
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// Base rates per carrier based on real BD logistics market tariffs
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let sfBase = 70, ptBase = 60, rxBase = 80, pfBase = 80;
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let sfExtra = 20, ptExtra = 25, rxExtra = 20, pfExtra = 25;
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let sfHours = "২৪–৪৮ ঘণ্টা", ptHours = "১২–২৪ ঘণ্টা (Same-Day)", rxHours = "২৪–৪৮ ঘণ্টা", pfHours = "২৪–৪৮ ঘণ্টা";
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if (zoneInfo.zone === "sub_dhaka") {
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sfBase = 100;
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ptBase = 110;
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rxBase = 110;
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pfBase = 110;
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sfHours = "৪৮–৭২ ঘণ্টা";
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ptHours = "২৪–৪৮ ঘণ্টা";
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rxHours = "৪৮–৭২ ঘণ্টা";
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pfHours = "৪৮–৭২ ঘণ্টা";
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}
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else if (zoneInfo.zone === "outside_dhaka") {
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sfBase = 140;
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ptBase = 150;
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rxBase = 160;
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pfBase = 170;
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sfHours = "৭২–৯৬ ঘণ্টা";
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ptHours = "৪৮–৭২ ঘণ্টা";
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rxHours = "৭২–৯৬ ঘণ্টা";
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pfHours = "৭২–৯৬ ঘণ্টা";
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}
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const sfCod = Math.round(cod * 0.01);
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const ptCod = Math.round(cod * 0.01);
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const rxCod = Math.round(cod * 0.01);
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const pfCod = Math.round(cod * 0.015);
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const sfTotal = sfBase + (extraKg * sfExtra) + sfCod;
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const ptTotal = ptBase + (extraKg * ptExtra) + ptCod;
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const rxTotal = rxBase + (extraKg * rxExtra) + rxCod;
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const pfTotal = pfBase + (extraKg * pfExtra) + pfCod;
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const carrierQuotes = [
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{
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courier: "steadfast",
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name: "Steadfast Courier",
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base: sfBase,
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extra: extraKg * sfExtra,
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cod: sfCod,
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total: sfTotal,
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hours: sfHours,
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notes: "৬৪ জেলা ও সকল থানায় সরাসরি ক্যাশ অন ডেলিভারি হাব নেটওয়ার্ক।",
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},
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{
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courier: "pathao",
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name: "Pathao Express",
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base: ptBase,
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extra: extraKg * ptExtra,
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cod: ptCod,
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total: ptTotal,
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hours: ptHours,
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notes: "ঢাকা ও প্রধান মেট্রোপলিটন সিটিতে দ্রুততম অন-ডিমান্ড রাইডার পিকআপ।",
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},
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{
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courier: "redx",
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name: "RedX Delivery",
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base: rxBase,
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extra: extraKg * rxExtra,
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cod: rxCod,
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total: rxTotal,
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hours: rxHours,
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notes: "শক্তিশালী সাব-ডিস্ট্রিক্ট হাব ও বৃহৎ পার্সেল হ্যান্ডলিং নেটওয়ার্ক।",
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},
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{
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courier: "paperfly",
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name: "Paperfly Go",
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base: pfBase,
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extra: extraKg * pfExtra,
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cod: pfCod,
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total: pfTotal,
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hours: pfHours,
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notes: "প্রত্যন্ত ইউনিয়ন ও ডোরস্টেপ ডেলিভারি কভারেজ।",
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},
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];
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let recommended = "steadfast";
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let reason = "সর্বনিম্ন খরচ ও ৬৪ জেলায় ৯৯.৮% সফল ডেলিভারি নেটওয়ার্ক";
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if (zoneInfo.zone === "inside_dhaka" && req.priority === "fastest") {
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recommended = "pathao";
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reason = "ঢাকা মেট্রোপলিটনে দ্রুততম সেম-ডে এক্সপ্রেস ডেলিভারি";
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}
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else if (req.priority === "cheapest") {
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const sorted = [...carrierQuotes].sort((a, b) => a.total - b.total);
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recommended = sorted[0].courier;
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reason = `${sorted[0].name} এই রুটে সর্বনিম্ন খরচে ডেলিভারি প্রদান করে (৳${sorted[0].total})।`;
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}
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else if (zoneInfo.zone === "inside_dhaka") {
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recommended = ptTotal <= sfTotal ? "pathao" : "steadfast";
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reason = "ঢাকা মেট্রোপলিটনে সাশ্রয়ী ডেলিভারি ও দ্রুত পিকআপ";
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}
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else {
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recommended = "steadfast";
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reason = "ঢাকার বাইরে সারা বাংলাদেশের ৬৪ জেলায় সর্বোচ্চ কভারেজ ও সর্বনিম্ন রিটার্ন রেট";
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}
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const quotes = carrierQuotes.map((cq) => ({
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courier: cq.courier,
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courier_name: cq.name,
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base_delivery_fee: cq.base,
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weight_surcharge: cq.extra,
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cod_charge: cq.cod,
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total_cost: cq.total,
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estimated_hours: cq.hours,
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coverage_notes: cq.notes,
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is_recommended: cq.courier === recommended,
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}));
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return {
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success: true,
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zone: zoneInfo.zone,
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zone_title: zoneInfo.zone_title,
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road_distance_km: zoneInfo.road_distance_km,
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weight_kg: weight,
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cod_amount: cod,
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recommended_courier: recommended,
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recommendation_reason: reason,
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quotes,
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};
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}
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fallbackAddressParse(req) {
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const raw = (req.address + " " + (req.district || "")).toLowerCase();
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const isDhaka = /dhaka|ঢাকা/i.test(raw);
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return {
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success: true,
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formatted_address: req.address,
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thana: req.thana || "",
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district: req.district || (isDhaka ? "Dhaka" : "Outside Dhaka"),
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division: isDhaka ? "Dhaka" : "",
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coordinates: isDhaka ? { lat: 23.8103, lng: 90.4125 } : { lat: 22.3569, lng: 91.7832 },
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location_type: "APPROXIMATE",
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is_deliverable: true,
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confidence_score: 65,
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};
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}
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haversineDistance(lat1, lon1, lat2, lon2) {
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const R = 6371;
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const dLat = ((lat2 - lat1) * Math.PI) / 180;
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const dLon = ((lon2 - lon1) * Math.PI) / 180;
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const a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
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Math.cos((lat1 * Math.PI) / 180) *
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Math.cos((lat2 * Math.PI) / 180) *
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Math.sin(dLon / 2) *
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Math.sin(dLon / 2);
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const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
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return Math.round(R * c * 1.2 * 10) / 10;
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}
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}
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