From 5c8bd466b29cf4265367fb9569ee2734bf0ccf89 Mon Sep 17 00:00:00 2001
From: Siddharth VP <siddharthvp@gmail.com>
Date: Sat, 7 Sep 2024 19:20:25 +0530
Subject: [PATCH] gadgets-sync: support wikis with non-local interwiki mappings

---
 gadgets-sync/gadgets-sync.ts | 37 +++++++++++++++++++++++++++---------
 1 file changed, 28 insertions(+), 9 deletions(-)

diff --git a/gadgets-sync/gadgets-sync.ts b/gadgets-sync/gadgets-sync.ts
index fc2225e..0820fa0 100644
--- a/gadgets-sync/gadgets-sync.ts
+++ b/gadgets-sync/gadgets-sync.ts
@@ -31,16 +31,20 @@ async function getConfig(): Promise<Config> {
 }
 
 function parseGithubLink(link: string) {
-    const [_, parts] =  link.split(':')
-    const [org, repo, branch, path] = parts.split('/', 4)
-    return [org, repo, branch, path]
+    const [_, ...parts] =  link.split(':')
+    const [org, repo, branch, ...path] = parts.join(':').split('/')
+    return [org, repo, branch, path.join('/')]
 }
 
-function getRawLink(link: string) {
+function getRawLink(link: string, interWikis: Record<string, string>) {
     if (link.startsWith('github:')) {
         const [org, repo, branch, path] = parseGithubLink(link)
         return `https://raw.githubusercontent.com/${org}/${repo}/${branch}/${path}`
     }
+    const [prefix, ...page] = link.split(':')
+    if (interWikis[prefix]) {
+        return interWikis[prefix].replace('$1', page.join(':')) + '?action=raw'
+    }
     return `https://en.wikipedia.org/w/index.php?title=${link}&action=raw`
 }
 function getHumanLink(link: string) {
@@ -50,7 +54,7 @@ function getHumanLink(link: string) {
     }
     return '[[' + link.replace('/-/raw/', '/-/blob/') + ']]'
 }
-function getHistoryLink(link: string) {
+function getHistoryLink(link: string, interWikis: Record<string, string>) {
     if (link.startsWith('github:')) {
         const [org, repo, branch, path] = parseGithubLink(link)
         return `https://github.com/${org}/${repo}/commits/${branch}/${path}`
@@ -60,13 +64,28 @@ function getHistoryLink(link: string) {
     } else if (link.startsWith('toolforge:')) {
         return ''
     } else {
+        const [prefix, ...page] = link.split(':')
+        if (interWikis[prefix]) {
+            return interWikis[prefix].replace('$1', page.join(':')) + '?action=history'
+        }
         return `https://en.wikipedia.org/w/index.php?title=${link}&action=history`
     }
 }
 
+async function getInterwikiMap() {
+    const interwikis = (await bot.query({
+        "meta": "siteinfo",
+        "siprop": "interwikimap"
+    })).query.interwikimap
+    return Object.fromEntries(interwikis.map(iw => [iw.prefix, iw.url]))
+}
+
 (async function () {
     await bot.getTokensAndSiteInfo()
-    const allConfigs = await getConfig()
+    const [interWikis, allConfigs] = await Promise.all([
+        getInterwikiMap(),
+        getConfig()
+    ])
     for (const conf of allConfigs.list) {
         // Validations
         const talkTitle = bot.Title.newFromText(conf.talkPage)
@@ -80,7 +99,7 @@ function getHistoryLink(link: string) {
         let localCode, remoteCode
         try {
             let remote = await bot.rawRequest({
-                url: getRawLink(conf.source),
+                url: getRawLink(conf.source, interWikis),
                 timeout: 5000
             })
             remoteCode = remote.data.trim()
@@ -94,7 +113,7 @@ function getHistoryLink(link: string) {
 
         try {
             let local = await bot.rawRequest({
-                url: getRawLink(conf.page),
+                url: getRawLink(conf.page, interWikis),
                 timeout: 5000
             })
             localCode = local.data.replace(substitutedHeader, '')
@@ -129,7 +148,7 @@ function getHistoryLink(link: string) {
             const isMatchingTalk = new bot.Page(conf.page).toText() === new bot.Title(conf.talkPage).getSubjectPage().toText()
             const header = `Sync request ${date}` + (isMatchingTalk ? '' : ` for ${conf.page}`)
 
-            let histLink = getHistoryLink(conf.source)
+            let histLink = getHistoryLink(conf.source, interWikis)
             const body = REQUEST_BODY
                 .replaceAll('LOCAL', conf.page)
                 .replaceAll('REMOTE', getHumanLink(conf.source) + (histLink ? ` ([${histLink} hist])` : ''))