Little cleanup

src/lib/moderation.ts

@@ -1,5 +1,11 @@
 import React from 'react'
-import {ModerationCause, LABEL_GROUPS, LabelGroupDefinition} from '@atproto/api'
+import {
+  ModerationCause,
+  LABEL_GROUPS,
+  LabelGroupDefinition,
+  AppBskyModerationDefs,
+} from '@atproto/api'
+
 import {sanitizeDisplayName} from '#/lib/strings/display-names'
 import {sanitizeHandle} from '#/lib/strings/handles'
 
@@ -77,3 +83,31 @@ export function getModerationServiceTitle({
     ? sanitizeDisplayName(displayName)
     : sanitizeHandle(handle, '@')
 }
+
+export function getLabelGroupToLabelerMap(
+  labelers: AppBskyModerationDefs.ModServiceViewDetailed[],
+) {
+  if (!labelers) return {}
+
+  const groups: Partial<
+    Record<
+      LabelGroupDefinition['id'] | 'other',
+      AppBskyModerationDefs.ModServiceViewDetailed[]
+    >
+  > = {
+    // `other` reports go to all labelers TODO confirm this
+    other: labelers,
+  }
+
+  for (const modservice of labelers) {
+    const labelGroups = getLabelGroupsFromLabels(
+      modservice.policies.labelValues,
+    )
+    for (const group of labelGroups) {
+      const g = (groups[group.id] = groups[group.id] || [])
+      g.push(modservice)
+    }
+  }
+
+  return groups
+}