Combine helpers into one addDiscussionComment

Author: khiga8

action.yml

@@ -70,7 +70,7 @@ runs:
             elif [[ $type = discussion_description ]]; then
               addDiscussionComment $discussion_node_id "$message"
             elif [[ $type = discussion_comment ]]; then
-              addDiscussionCommentAsReply $discussion_node_id $reply_to_id "$message"
+              addDiscussionComment $discussion_node_id "$message" $reply_to_id 
             fi
           fi
       shell: bash

queries.sh

@@ -16,33 +16,31 @@ function getDiscussionReplyToId() {
   echo $REPLY_TO_DATA | jq -r '.data.node.replyTo.id'
 }
 
-# Given a discussion node ID and a message, adds a top-level discussion comment.
+# Given a discussion node ID, a message, and an optional reply to node ID, adds a discussion comment.
 function addDiscussionComment() {
   local DISCUSSION_NODE_ID=$1
   local MESSAGE=$2
-  gh api graphql -F discussionId="$discussion_node_id" -F body="$message" -f query='
-    mutation($discussionId: ID!, $body: String!) {
-      addDiscussionComment(input: {discussionId: $discussionId, body: $body}) {
-        comment {
-          id
+  local REPLY_TO_ID=$3
+
+  if [ -n "$REPLY_TO_ID" ]; then
+    gh api graphql -F discussionId="$DISCUSSION_NODE_ID" -F replyToId="$REPLY_TO_ID" -F body="$MESSAGE" -f query='
+      mutation($discussionId: ID!, , $replyToId: ID, $body: String!) {
+          addDiscussionComment(input: {discussionId: $discussionId, replyToId: $replyToId, body: $body}) {
+          comment {
+              id
+          }
         }
       }
-    }
-  '
-}
-
-# Given a discussion node ID, discussion comment node ID, and a message, adds a discussion comment as a reply in thread.
-function addDiscussionCommentAsReply() {
-  local DISCUSSION_NODE_ID=$1
-  local REPLY_TO_ID=$2
-  local MESSAGE=$3
-  gh api graphql -F discussionId="$DISCUSSION_NODE_ID" -F replyToId="$REPLY_TO_ID" -F body="$MESSAGE" -f query='
-    mutation($discussionId: ID!, , $replyToId: ID, $body: String!) {
-        addDiscussionComment(input: {discussionId: $discussionId, replyToId: $replyToId, body: $body}) {
-        comment {
+    '
+  else
+    gh api graphql -F discussionId="$discussion_node_id" -F body="$message" -f query='
+      mutation($discussionId: ID!, $body: String!) {
+        addDiscussionComment(input: {discussionId: $discussionId, body: $body}) {
+          comment {
             id
+          }
         }
       }
-    }
-  '
+    '
+  fi
 }