[Automated] Update assign_pr_to_project caller workflow

Author: ynbot

.github/workflows/assign_pr_to_project.yml

@@ -3,25 +3,46 @@ on:
   workflow_dispatch:
     inputs:
       pr_number:
-        type: number
+        type: string
         description: "Run workflow for this PR number"
         required: true
       project_id:
-        type: number
+        type: string
         description: "Github Project Number"
         required: true
-        default: 16
+        default: "16"
   pull_request:
     types:
       - opened
 
+env:
+  GH_TOKEN: ${{ github.token }}
+
 jobs:
+  get-pr-repo:
+    runs-on: ubuntu-latest
+    outputs:
+      pr_repo_name: ${{ steps.get-repo-name.outputs.repo_name || github.event.pull_request.head.repo.full_name }}
+
+    # INFO `github.event.pull_request.head.repo.full_name` is not available on manual triggered (dispatched) runs
+    steps:
+      - name: Get PR repo name
+        if: ${{ github.event_name == 'workflow_dispatch' }}
+        id: get-repo-name
+        run: |
+          repo_name=$(gh pr view ${{ inputs.pr_number }} --json headRepository,headRepositoryOwner --repo ${{ github.repository }} | jq -r '.headRepositoryOwner.login + "/" + .headRepository.name')
+          echo "repo_name=$repo_name" >> $GITHUB_OUTPUT
+
   auto-assign-pr:
-    if: ${{ github.event.pull_request.head.repo.full_name == github.repository }}
+    needs:
+      - get-pr-repo
+    if: ${{ needs.get-pr-repo.outputs.pr_repo_name == github.repository }}
     uses: ynput/ops-repo-automation/.github/workflows/pr_to_project.yml@main
     with:
       repo: "${{ github.repository }}"
-      project_id: "${{ inputs.project_id }}"
-      pull_request_number: "${{ github.event.pull_request.number || inputs.pr_number }}"
+      project_id: ${{ inputs.project_id != '' && fromJSON(inputs.project_id) || 16 }}
+      pull_request_number: ${{ github.event.pull_request.number ||  fromJSON(inputs.pr_number) }}
     secrets:
-      token: ${{ secrets.YNPUT_BOT_TOKEN }}
+      # INFO fallback to default `github.token` is required for PRs from forks
+      # INFO organization secrets won't be available to forks
+      token: ${{ secrets.YNPUT_BOT_TOKEN || github.token}}