set threshold

.github/workflows/test-action.yml

@@ -4,6 +4,10 @@ on:
   issue_comment:
     types: [created]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 

action.yml

@@ -17,6 +17,12 @@ inputs:
     description:
       'a target pr number. This is set for events triggered by issue_comment'
     required: false
+  threshold:
+    description:
+      'a threshold at which a message is sent when the number of comments
+      exceeds this'
+    required: true
+    default: 4
 
 # Define your outputs here.
 outputs:

src/main.ts

@@ -53,6 +53,18 @@ export async function run(): Promise<void> {
       })
     ).data.filter(c => c.user.type !== 'Bot')
 
+    const hasMessageSent = comments.some(
+      comment =>
+        comment.user?.type === 'Bot' &&
+        comment.body?.includes('It seems the discussion is dragging on.')
+    )
+    const threshold = Number(core.getInput('threshold', { required: true }))
+    const commentCount = comments.length + reviewComments.length
+    if (commentCount < threshold || hasMessageSent) {
+      core.debug('a message has been sent')
+      return
+    }
+
     const userLogins = uniqueStringArray(
       comments
         .map(comment => comment.user?.login)