Make Template Gallery optional; rename environment variables

services/web/modules/template-gallery/index.mjs

@@ -1,8 +1,5 @@
 import Settings from '@overleaf/settings'
 import TemplateGalleryRouter from './app/src/TemplateGalleryRouter.mjs'
-const TemplateGalleryModule = {
-  router: TemplateGalleryRouter,
-}
 
 function boolFromEnv(env) {
   if (env === undefined || env === null) return undefined
@@ -11,23 +8,35 @@ function boolFromEnv(env) {
     if (envLower === 'true') return true
     if (envLower === 'false') return false
   }
-  throw new Error("Invalid value for boolean envirionment variable")
+  throw new Error("Invalid value for boolean environment variable")
 }
 
-Settings.templates = {
-  nonAdminCanManage: boolFromEnv(process.env.OVERLEAF_NON_ADMIN_CAN_MANAGE_TEMPLATES)
-}
+let TemplateGalleryModule = {}
 
-Settings.templateLinks = (`${process.env.OVERLEAF_TEMPLATE_KEYS} all`).split(/\s+/).map(key => {
-  const envKeyBase = key.toUpperCase().replace(/-/g, "_")
-  const name = process.env[`TEMPLATE_${envKeyBase}_NAME`]
-  const description = process.env[`TEMPLATE_${envKeyBase}_DESCRIPTION`]
-
-  return {
-    name: name || key,
-    url: `/templates/${key}`,
-    description: description || "Templates category"
+if (process.env.OVERLEAF_TEMPLATE_GALLERY === 'true') {
+  TemplateGalleryModule = {
+    router: TemplateGalleryRouter,
   }
-})
+
+  Settings.templates = {
+    nonAdminCanManage: boolFromEnv(process.env.OVERLEAF_NON_ADMIN_CAN_PUBLISH_TEMPLATES)
+  }
+
+  const templateKeys = process.env.OVERLEAF_TEMPLATE_CATEGORIES
+    ? process.env.OVERLEAF_TEMPLATE_CATEGORIES + ' all'
+    : 'all'
+
+  Settings.templateLinks = templateKeys.split(/\s+/).map(key => {
+    const envKeyBase = key.toUpperCase().replace(/-/g, "_")
+    const name = process.env[`TEMPLATE_${envKeyBase}_NAME`] || ( key === 'all' ? 'All templates' : key)
+    const description = process.env[`TEMPLATE_${envKeyBase}_DESCRIPTION`] || ''
+
+    return {
+      name,
+      url: `/templates/${key}`,
+      description
+    }
+  })
+}
 
 export default TemplateGalleryModule