Init commit

server/core/helpers/custom-validators/browse-videos.ts

@@ -0,0 +1,53 @@
+import { t } from '../i18n.js'
+
+export function getBrowseVideosDefaultSortError (value: string, enabledTrendingAlgorithms: string[], language?: string) {
+  const availableOptions = [ '-publishedAt', '-originallyPublishedAt', 'name', '-trending', '-hot', '-likes', '-views' ]
+
+  if (availableOptions.includes(value) === false) {
+    const options = availableOptions.join(' or ')
+
+    // Only use `t` if language is provided, because i18n might not be initialized yet and can return `undefined`
+    if (language) {
+      return t('Browse videos default sort should be {options}, instead of {value}', language, { options, value })
+    }
+
+    return `Browse videos default sort should be ${options}, instead of ${value}`
+  }
+
+  const trendingSortAlgorithmMap = new Map<string, string>([
+    [ '-trending', 'most-viewed' ],
+    [ '-hot', 'hot' ],
+    [ '-likes', 'most-liked' ]
+  ])
+  const currentTrendingSortAlgorithm = trendingSortAlgorithmMap.get(value)
+
+  if (currentTrendingSortAlgorithm && enabledTrendingAlgorithms.includes(currentTrendingSortAlgorithm) === false) {
+    if (language) {
+      return t(
+        'Trending videos algorithm {currentTrendingSortAlgorithm} should be enabled if browse videos default sort is {value}',
+        language,
+        { currentTrendingSortAlgorithm, value }
+      )
+    }
+
+    return `Trending videos algorithm ${currentTrendingSortAlgorithm} should be enabled if browse videos default sort is ${value}`
+  }
+
+  return null
+}
+
+export function getBrowseVideosDefaultScopeError (value: string, language?: string) {
+  const availableOptions = [ 'local', 'federated' ]
+
+  if (availableOptions.includes(value) === false) {
+    const options = availableOptions.join(' or ')
+
+    if (language) {
+      return t('Browse videos default scope should be {options}, instead of {value}', language, { options, value })
+    }
+
+    return `Browse videos default scope should be ${options}, instead of ${value}`
+  }
+
+  return null
+}