From a4b1145605005f14807b53467181e78170fea5a7 Mon Sep 17 00:00:00 2001
From: Louis Delbosc <louis.delbosc.prestataire@anct.gouv.fr>
Date: Mon, 28 Nov 2022 21:19:31 +0100
Subject: [PATCH] Add GRIST_HELP_CENTER environment variable (#363)

---
 README.md                     |  1 +
 app/common/gristUrls.ts       | 14 +++++++++++++-
 app/server/lib/sendAppPage.ts |  1 +
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 0e7582de..345bad6c 100644
--- a/README.md
+++ b/README.md
@@ -231,6 +231,7 @@ GRIST_SESSION_DOMAIN | if set, associates the cookie with the given domain - oth
 GRIST_SESSION_SECRET | a key used to encode sessions
 GRIST_FORCE_LOGIN    | when set to 'true' disables anonymous access
 GRIST_SINGLE_ORG | set to an org "domain" to pin client to that org
+GRIST_HELP_CENTER | set the help center link ref
 GRIST_SUPPORT_ANON | if set to 'true', show UI for anonymous access (not shown by default)
 GRIST_SUPPORT_EMAIL | if set, give a user with the specified email support powers. The main extra power is the ability to share sites, workspaces, and docs with all users in a listed way.
 GRIST_THROTTLE_CPU | if set, CPU throttling is enabled
diff --git a/app/common/gristUrls.ts b/app/common/gristUrls.ts
index 3e4ff508..49450133 100644
--- a/app/common/gristUrls.ts
+++ b/app/common/gristUrls.ts
@@ -60,7 +60,7 @@ export const MIN_URLID_PREFIX_LENGTH = 12;
  */
 
 export const commonUrls = {
-  help: "https://support.getgrist.com",
+  help: getHelpCenterUrl(),
   helpAccessRules: "https://support.getgrist.com/access-rules",
   helpConditionalFormatting: "https://support.getgrist.com/conditional-formatting",
   helpLinkingWidgets: "https://support.getgrist.com/linking-widgets",
@@ -493,6 +493,9 @@ export interface GristLoadConfig {
 
   // In single-org mode, this is the single well-known org. Suppress any org selection UI.
   singleOrg?: string;
+  
+  // Url for support for the browser client to use.
+  helpCenterUrl?: string;
 
   // When set, this directs the client to encode org information in path, not in domain.
   pathOnly?: boolean;
@@ -641,6 +644,15 @@ export function getKnownOrg(): string|null {
   }
 }
 
+export function getHelpCenterUrl(): string|null {
+  if(isClient()) {
+    const gristConfig: GristLoadConfig = (window as any).gristConfig;
+    return gristConfig && gristConfig.helpCenterUrl || null;
+  } else {
+    return process.env.GRIST_HELP_CENTER || null;
+  }
+}
+
 /**
  * Like getKnownOrg, but respects singleOrg/GRIST_SINGLE_ORG strictly.
  * The main difference in behavior would be for orgs with custom domains
diff --git a/app/server/lib/sendAppPage.ts b/app/server/lib/sendAppPage.ts
index 21740d12..3a1bd0d0 100644
--- a/app/server/lib/sendAppPage.ts
+++ b/app/server/lib/sendAppPage.ts
@@ -41,6 +41,7 @@ export function makeGristConfig(homeUrl: string|null, extra: Partial<GristLoadCo
     org: process.env.GRIST_SINGLE_ORG || (mreq && mreq.org),
     baseDomain,
     singleOrg: process.env.GRIST_SINGLE_ORG,
+    helpCenterUrl: process.env.GRIST_HELP_CENTER || "https://support.getgrist.com",
     pathOnly,
     supportAnon: shouldSupportAnon(),
     supportEngines: getSupportedEngineChoices(),