Un-feature a comment when it is rejected (#2555)

Also decrements the featured count for the story if rejected using the
in-stream moderation.

CORL-554

src/core/server/graph/tenant/mutators/Actions.ts

@@ -1,8 +1,11 @@
 import TenantContext from "coral-server/graph/tenant/context";
+import { hasTag } from "coral-server/models/comment";
+import { removeTag } from "coral-server/services/comments";
 import { approve, reject } from "coral-server/services/comments/moderation";
 import {
   GQLApproveCommentInput,
   GQLRejectCommentInput,
+  GQLTAG,
 } from "../schema/__generated__/types";
 
 export const Actions = (ctx: TenantContext) => ({
@@ -17,5 +20,12 @@ export const Actions = (ctx: TenantContext) => ({
       commentID: input.commentID,
       commentRevisionID: input.commentRevisionID,
       moderatorID: ctx.user!.id,
-    }),
+    }).then(comment =>
+      // if a comment was previously featured
+      // and is now rejected, we need to remove the
+      // featured tag
+      hasTag(comment, GQLTAG.FEATURED)
+        ? removeTag(ctx.mongo, ctx.tenant, comment.id, GQLTAG.FEATURED)
+        : comment
+    ),
 });