From 44ce641d6a8d674d9c4a4e3a2b764d22080675f4 Mon Sep 17 00:00:00 2001
From: evlist <vdv@dyomedea.com>
Date: Tue, 3 Jan 2023 18:17:12 +0100
Subject: [PATCH] Improving RteViewer.

---
 src/components/infos/Infos.tsx   | 14 -----------
 src/components/rte/RteViewer.tsx | 43 ++++++++++++++++++++++++++++++--
 src/components/trk/TrkViewer.tsx |  7 +++++-
 src/i18n/en.ts                   |  3 +++
 src/i18n/fr.ts                   |  3 +++
 src/lib/osm.ts                   | 24 ++++++++++++++++++
 6 files changed, 77 insertions(+), 17 deletions(-)
 create mode 100644 src/lib/osm.ts

diff --git a/src/components/infos/Infos.tsx b/src/components/infos/Infos.tsx
index 28f6cb4..8caed75 100644
--- a/src/components/infos/Infos.tsx
+++ b/src/components/infos/Infos.tsx
@@ -130,20 +130,6 @@ const Infos: Component<{}> = (props) => {
     setOpen(false);
   };
 
-  const formatLength = (length: number) => {
-    if (length > 1000) {
-      const l = length / 1000;
-      return ` ${l.toLocaleString(undefined, {
-        minimumFractionDigits: 2,
-        maximumFractionDigits: 2,
-      })} km`;
-    }
-    return ` ${length.toLocaleString(undefined, {
-      minimumFractionDigits: 0,
-      maximumFractionDigits: 0,
-    })} m`;
-  };
-
   return (
     <Dialog closeHandler={handleClick} open={open()} title={t('nearby')}>
       <Stack
diff --git a/src/components/rte/RteViewer.tsx b/src/components/rte/RteViewer.tsx
index 85f06ed..8c3005b 100644
--- a/src/components/rte/RteViewer.tsx
+++ b/src/components/rte/RteViewer.tsx
@@ -1,20 +1,53 @@
-import { Component } from 'solid-js';
+import { Component, createResource } from 'solid-js';
 import { peekCachedSignal } from '../../workers/cached-signals';
 import RteIcon from '../../icons/directions-svgrepo-com.svg?component-solid';
+import { useI18n } from '@solid-primitives/i18n';
 
 import Tree from '../tree';
+import { findAddress, getVillageOrTown } from '../../lib/osm';
+import { getLength } from 'ol/sphere';
+import { Geometry, LineString } from 'ol/geom';
 
 interface Props {
   rteId: string;
 }
 
 const RteViewer: Component<Props> = ({ rteId }) => {
+  const [t, { add, locale, dict }] = useI18n();
+
   const rte = peekCachedSignal({ id: rteId, method: 'getRte' });
   console.log({ caller: 'RteViewer', rteId, rte: rte() });
   const title = () => {
     return rte().name;
   };
 
+  const [startAddress] = createResource(rte, (r: Rte) =>
+    findAddress(r.rtept[0].$.lon, r.rtept[0].$.lat, locale)
+  );
+  const [endAddress] = createResource(rte, (r: Rte) =>
+    findAddress(r.rtept.at(-1).$.lon, r.rtept.at(-1).$.lat, locale)
+  );
+
+  const formatLength = (length: number) => {
+    if (length > 1000) {
+      const l = length / 1000;
+      return ` ${l.toLocaleString(undefined, {
+        minimumFractionDigits: 2,
+        maximumFractionDigits: 2,
+      })} km`;
+    }
+    return ` ${length.toLocaleString(undefined, {
+      minimumFractionDigits: 0,
+      maximumFractionDigits: 0,
+    })} m`;
+  };
+
+  const geometry = new LineString(
+    rte().rtept.map((rtept: any) => [rtept.$.lon, rtept.$.lat])
+  );
+
+  const length = getLength(geometry, { projection: 'EPSG:4326' });
+
   return (
     <Tree
       title={
@@ -22,7 +55,13 @@ const RteViewer: Component<Props> = ({ rteId }) => {
           <RteIcon fill='black' width='24' height='24' /> {title()}
         </>
       }
-      content={undefined}
+      content={
+        <>
+          <div>{`${formatLength(length)} ${t('from')} ${getVillageOrTown(
+            startAddress()
+          )} ${t('to')} ${getVillageOrTown(endAddress())} `}</div>
+        </>
+      }
       subTree={undefined}
     />
   );
diff --git a/src/components/trk/TrkViewer.tsx b/src/components/trk/TrkViewer.tsx
index 4ed7b69..ebd9c57 100644
--- a/src/components/trk/TrkViewer.tsx
+++ b/src/components/trk/TrkViewer.tsx
@@ -3,6 +3,7 @@ import { peekCachedSignal } from '../../workers/cached-signals';
 import Tree from '../tree';
 import TrkIcon from '../../icons/human-footprints-svgrepo-com.svg?component-solid';
 import { TrksegViewer } from '../trkseg';
+import { findAddress } from '../../lib/osm';
 
 interface Props {
   trkId: string;
@@ -23,7 +24,11 @@ const TrkViewer: Component<Props> = ({ trkId, restrictToHierarchy }) => {
           <TrkIcon width='24' height='24' /> {title()}
         </>
       }
-      content={undefined}
+      content={
+        <div>
+            
+        </div>
+      }
       subTree={
         <For
           each={Object.keys(restrictToHierarchy).filter((key: string) =>
diff --git a/src/i18n/en.ts b/src/i18n/en.ts
index 0abad74..1ade80e 100644
--- a/src/i18n/en.ts
+++ b/src/i18n/en.ts
@@ -62,6 +62,9 @@ const dict = {
   remoteDbUser: 'Remote database user',
   remoteDbPassword: 'Remote database password',
   accountSave: 'Save',
+
+  from: 'from ',
+  to: 'to ',
 };
 
 export default dict;
diff --git a/src/i18n/fr.ts b/src/i18n/fr.ts
index 8083bea..62a3346 100644
--- a/src/i18n/fr.ts
+++ b/src/i18n/fr.ts
@@ -68,6 +68,9 @@ const dict = {
   remoteDbPassword: 'Mot de passe de la base de données distante',
   accountSave: 'Sauvegarder',
   accountCancel: 'Annuler',
+
+  from: 'de ',
+  to: 'à ',
 };
 
 export default dict;
diff --git a/src/lib/osm.ts b/src/lib/osm.ts
new file mode 100644
index 0000000..51a6580
--- /dev/null
+++ b/src/lib/osm.ts
@@ -0,0 +1,24 @@
+import memoize from 'memoizee';
+
+const _findAddress = async (lon: number, lat: number, locale: () => string) => {
+  const response = await fetch(
+    `https://nominatim.openstreetmap.org/reverse?lat=${lat}&lon=${lon}&format=jsonv2&addressdetails=1&extratags=1&namedetails=1&accept-language=${locale()}`,
+    {}
+  );
+  const data = await response.json();
+  console.log({ caller: 'findAddress', lon, lat, data });
+  return data;
+};
+
+export const findAddress = memoize(_findAddress, {
+  promise: true,
+  max: 1000,
+  maxAge: 360000000,
+});
+
+export const getVillageOrTown = (address: any) => {
+  if (address?.address.village) {
+    return address?.address.village;
+  }
+  return address?.address.town;
+};