label.yml

name: Add/Remove Labels

on:
  pull_request_target:
    types: [ opened, closed ]

jobs:
  merge_job:
    if: github.event.pull_request.merged == true
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
    - uses: actions/github-script@v7
      with:
        script: |
          let removeLabelsList = [
            "Pending Merge", 
            "Needs Author Reply", 
            "Needs Review", 
            "Review High Priority", 
            "Needs Second Approval",
            "Blocked by dependency", 
            "Needs a new dev", 
            "squash-merge", 
            "Keep Open", 
            "Stable"
          ];

          async function removeLabel(label) {
            await github.rest.issues.removeLabel({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              name: label
            });
          }

          async function addPostMergeComments() {
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: `Maintainers: Please [Sync Translations](https://github.com/ankidroid/Anki-Android/actions/workflows/sync_translations.yml) to produce a commit with only the automated changes from this PR.
              
          Read more about updating strings on the wiki,
          - [localization-administration](https://github.com/ankidroid/Anki-Android/wiki/Development-Guide#localization-administration)
          - [download-localized-strings](https://github.com/ankidroid/Anki-Android/wiki/Development-Guide#download-localized-strings)`
            })
          }

          let result = await github.rest.issues.listLabelsOnIssue({
            owner: context.repo.owner,
            repo: context.repo.repo,
            issue_number: context.issue.number,
          });

          if (result.data !== null && result.data.length > 0) {
            let labels = result.data;
            for (let label of labels) {
                if (removeLabelsList.includes(label.name)) {
                  console.log("Removed: ", label.name);
                  removeLabel(label.name);
                }

                // add post merge comments for 'strings' labeled PR
                if (label.name == "Strings") {
                  addPostMergeComments();
                }
            }
          }

  add_label:
    if: (!(github.event.action == 'closed' && github.event.pull_request.merged != true)) && github.event.pull_request.merged != true && github.event.pull_request.head.ref != 'i18n_sync'
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
        with:
          script: |
            const I18N_FILES = [
                "01-core",
                "02-strings",
                "03-dialogs",
                "04-network",
                "05-feedback",
                "06-statistics",
                "07-cardbrowser",
                "08-widget",
                "09-backup",
                "10-preferences",
                "11-arrays",
                "16-multimedia-editor",
                "17-model-manager",
                "18-standard-models",
                "20-search-preference",
                "marketdescription",
            ];

            let stringsLabel = "Strings";

            async function addLabel(labels) {
              await github.rest.issues.addLabels({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                labels: labels
              });
            }

            async function removeLabel(labels) {
                await github.rest.issues.removeLabel({
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    issue_number: context.issue.number,
                    name: labels,
                });
            }

            async function addComments() {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: `> [!IMPORTANT]
            > **Maintainers**: This PR contains https://github.com/ankidroid/Anki-Android/labels/Strings changes
            
            1. [Sync Translations](https://github.com/ankidroid/Anki-Android/actions/workflows/sync_translations.yml) before merging this PR and wait for the action to complete
            2. Review and merge the [auto-generated PR](https://github.com/ankidroid/Anki-Android/pulls/mikehardy-machineaccount) in order to sync all user-submitted translations
            3. [Sync Translations again](https://github.com/ankidroid/Anki-Android/actions/workflows/sync_translations.yml) and merge the [PR](https://github.com/ankidroid/Anki-Android/pulls/mikehardy-machineaccount) so the huge automated string changes caused by merging this PR are by themselves and easy to review`
              })
            }

            const changedFiles = await github.rest.pulls.listFiles({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
            });

            // loop through list of files in current pr, then check if filename contains in i18n file name,
            // set boolean to true and use the boolean in outer loop to add label
            let fileChanged = false;
            for (let files of changedFiles.data) {
              for (let i18n of I18N_FILES) {
                if (files.filename.includes(i18n)) {
                  fileChanged = true;
                  break;
                }
              }

              if (fileChanged) {
                addLabel([stringsLabel]);
                addComments();
                break;
              }
            }

            async function getPullRequest() {
                return await github.rest.pulls.get({
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    pull_number: context.issue.number,
                });
            }

            // if no file changed, remove label
            const pullRequestData = await getPullRequest();
            if (!fileChanged) {
              if (pullRequestData.data.labels.find(label => label.name === stringsLabel)) {
                console.log(`Removing #${stringsLabel} label from PR #${context.issue.number}`);
                removeLabel([stringsLabel]);
              }
            }

  add_new_contributor_label:
    if: github.event.action == 'opened'
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
        with:
          script: |
            const creator = context.payload.sender.login
            const opts = github.rest.issues.listForRepo.endpoint.merge({
              ...context.issue,
              creator,
              state: 'all'
            })
            const issues = await github.paginate(opts)
            for (const issue of issues) {
              if (issue.number === context.issue.number) {
                continue
              }
              if (issue.pull_request) {
                return // creator is already a contributor
              }
            }
            await github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ['New contributor']
            })