[mod] WW: HTML parsing

src/lib/watchers/wotwizard/json-watcher.ts

@@ -1,24 +1,26 @@
 import {Conf, ConfWWMeta} from "../../types/conf";
 import {urlWatcher, UrlWatcherResult} from '../abstract/url-watcher'
+import {moment} from "duniter/app/lib/common-libs/moment";
 
 function handleLateness(confHead: ConfWWMeta, data: WWMetaJson) {
   const diff = Math.round(Date.now()/1000 - data.now)
   if (diff >= confHead.maxLate) {
-    return UrlWatcherResult.ko(`WWMeta.json is late by ${diff}s (>= ${confHead.maxLate})`)
+    return UrlWatcherResult.ko(`WWData is late by ${diff}s (>= ${confHead.maxLate})`)
   }
   return UrlWatcherResult.ok()
 }
 
 export function jsonWatcher(conf: Conf) {
 
-  const URL_PATH = '/WWMeta.json'
+  const URL_PATH = '/00wwView'
 
   return async (confWWMeta: ConfWWMeta) => {
 
-    return urlWatcher(conf, async (data) => {
+    return urlWatcher(conf, async (html) => {
+      const data = parseData(html)
       return handleLateness(confWWMeta, data)
     })({
-      name: `WWMeta.json watcher ${confWWMeta.address}`,
+      name: `WWData watcher ${confWWMeta.address}`,
       address: confWWMeta.address + URL_PATH,
       frequency: confWWMeta.frequency
     },
@@ -28,9 +30,19 @@ export function jsonWatcher(conf: Conf) {
   }
 }
 
-interface WWMetaJson {
-  dossNb: number
-  block: number
-  now: number
-  computation_duration: number
+function parseData(html: string): WWMetaJson {
+  const h3 = html.match(/<h3>([\s\S]*)<\/h3>/)
+  if (!h3) {
+    throw `Could not parse H3 from WW`
+  }
+  const data = h3[1].match(/Bloc (\d+)\s(.+)\s(.+)/)
+  if (!data) {
+    throw `Could not parse datetime from H3`
+  }
+  const now = moment(`${data[2]}`, 'DD/MM/YYYY HH:mm:ss')
+  return { now: now.unix() }
+}
+
+interface WWMetaJson {
+  now: number
 }