Start consolidating encoded addresses

web-frontend/src/lib/common.js

@@ -1,6 +1,21 @@
 import init from 'xpin-wasm';
 import * as xpinWasm from 'xpin-wasm';
 
+export const emptyxpin = {
+	address: '',
+	latLon: [0.0, 0.0]
+};
+
+export function getxpin(xpin) {
+	if (!xpin) {
+		return;
+	}
+	return {
+		address: xpin.get_address(),
+		latLon: xpin.get_lat_lon()
+	};
+}
+
 export const WasmStatus = {
 	NotLoaded: -1,
 	Loaded: 0,

web-frontend/src/routes/app/+page.svelte

@@ -4,8 +4,8 @@
 	import { onMount, onDestroy } from 'svelte';
 	import AddressInput from '$lib/AddressInput.svelte';
 	import { browser } from '$app/environment';
-	// import tick from 'svelte';
 	import Error from './Error.svelte';
+	import { emptyxpin, getxpin } from '$lib/common.js';
 
 	let leaflet;
 	import Map from '$lib/Map.svelte';
@@ -13,7 +13,9 @@
 	let map;
 
 	let latlng = { lat: '', lng: '' };
-	let addr = '';
+	let addr = emptyxpin;
+	let addrInputValue = '';
+
 	let wasm = {
 		status: WasmStatus.NotLoaded,
 		error: undefined,
@@ -25,11 +27,17 @@
 
 		try {
 			latlng = e.latlng;
-			addr = wasm.call.address_from_lat_lon(latlng.lat, latlng.lng);
-			popup.setLatLng(e.latlng).setContent(`${addr}`).openOn(map);
+			addr = getxpin(wasm.call.EncodedAddress.from_lat_lon(latlng.lat, latlng.lng));
+			console.log(latlng, addr);
+			popup.setLatLng({
+			lat:addr.latLon[0],
+			lng:addr.latLon[1]
+			}).setContent(`${addr.address}`).openOn(map);
+			// popup.setLatLng(e.latlng).setContent(`${addr.address}`).openOn(map);
 		} catch (err) {
 			console.error(err);
-			addr = '';
+			// addr = emptyxpin;
+			addrInputValue = '';
 			popup.setLatLng(e.latlng).setContent(`You clicked at ${e.latlng}`).openOn(map);
 		}
 	};
@@ -62,7 +70,7 @@
 	const input = () => {
 		try {
 			if (browser) {
-				outputValue = wasm.call.address_to_lat_lon(addr);
+				addr = getxpin(wasm.call.EncodedAddress.from_address(addr));
 				let latlng = new leaflet.LatLng(outputValue[0], outputValue[1]);
 				map.panTo(latlng, 20);
 				leaflet.popup().setLatLng(latlng).setContent(`${outputValue}<br>hi`).openOn(map);
@@ -91,9 +99,9 @@
 {#await init()}
 	<p class="text-lg js-only">Loading WebAssembly module...</p>
 {:then}
-	<p>Current cursor: {addr} => ({latlng.lat}, {latlng.lng})</p>
+	<p>Current cursor: {addr.address} ({addr.latLon}) => ({latlng.lat}, {latlng.lng})</p>
 
-	<AddressInput bind:value={addr} on:input={input} />
+	<AddressInput bind:value={addrInputValue} on:input={input} />
 
 	<Map bind:map {onMapClick} />
 {:catch message}

xpin-wasm/src/lib.rs

@@ -1,25 +1,51 @@
 use std::str::FromStr;
 
 use wasm_bindgen::prelude::*;
-
-// #[wasm_bindgen]
-// extern "C" {
-//     #[wasm_bindgen(js_namespace = console, js_name = log)]
-//     fn log_str(s: &str);
-// }
+use xpin::Address;
 
 #[wasm_bindgen]
-pub fn address_from_lat_lon(lat: f64, lon: f64) -> Result<String, String> {
+pub struct EncodedAddress {
+    address: String,
+    pub lat: f64,
+    pub lon: f64,
+}
+
+#[wasm_bindgen]
+impl EncodedAddress {
+    #[wasm_bindgen]
+    pub fn from_lat_lon(lat: f64, lon: f64) -> Result<EncodedAddress, String> {
         xpin::Address::from_lat_lon(lat, lon)
-        .map(|a| a.to_string())
+            .as_ref()
+            .map(EncodedAddress::from)
             .map_err(|e| e.to_string())
     }
 
     #[wasm_bindgen]
-pub fn address_to_lat_lon(addr_str: &str) -> Result<Vec<f64>, String> {
+    pub fn from_address(addr_str: &str) -> Result<EncodedAddress, String> {
         xpin::Address::from_str(addr_str)
             .as_ref()
+            .map(EncodedAddress::from)
             .map_err(|e| e.to_string())
-        .map(xpin::Address::as_lat_lon)
-        .map(|(lat, lon)| vec![lat, lon])
+    }
+
+    #[wasm_bindgen]
+    pub fn get_address(&self) -> String {
+        self.address.clone()
+    }
+
+    #[wasm_bindgen]
+    pub fn get_lat_lon(&self) -> Vec<f64> {
+        vec![self.lat, self.lon]
+    }
+}
+
+impl From<&'_ Address<'_>> for EncodedAddress {
+    fn from(addr: &Address) -> Self {
+        let (lat, lon) = addr.as_lat_lon();
+        Self {
+            address: addr.to_string(),
+            lat,
+            lon,
+        }
+    }
 }