ci: lock closed discussions

.github/workflows/lock-closed-conversations.yaml

@@ -7,6 +7,7 @@ on:
   pull_request_target:
     types:
       - closed
+  discussion:
   workflow_dispatch:
     inputs:
       dry_run:
@@ -21,7 +22,7 @@ on:
 permissions: {}
 
 concurrency:
-  group: lock-closed-conversations-${{ github.event.issue.number || github.event.pull_request.number || github.run_id }}
+  group: lock-closed-conversations-${{ github.event.issue.number || github.event.pull_request.number || github.event.discussion.number || github.run_id }}
   cancel-in-progress: false
 
 jobs:
@@ -38,6 +39,7 @@ jobs:
           private-key: ${{ secrets.FLUXER_CI_APP_KEY }}
           owner: fluxerapp
           repositories: fluxer
+          permission-discussions: write
           permission-issues: write
           permission-pull-requests: write
 
@@ -47,6 +49,75 @@ jobs:
         run: |
           set -euo pipefail
 
+          lock_discussion() {
+            local discussion_id="$1"
+
+            gh api graphql \
+              -f id="$discussion_id" \
+              -f query="
+                mutation(\$id: ID!) {
+                  lockLockable(input: {lockableId: \$id, lockReason: RESOLVED}) {
+                    lockedRecord {
+                      locked
+                    }
+                  }
+                }
+              " \
+              --silent
+          }
+
+          owner="${GITHUB_REPOSITORY%/*}"
+          repository="${GITHUB_REPOSITORY#*/}"
+
+          if [ "$GITHUB_EVENT_NAME" = "discussion" ]; then
+            number="$(jq -r '.discussion.number // empty' "$GITHUB_EVENT_PATH")"
+            if [ -z "$number" ]; then
+              echo "Skipping discussion event; discussion number is unavailable."
+              exit 0
+            fi
+
+            sleep 10
+
+            discussion="$(
+              gh api graphql \
+                -F owner="$owner" \
+                -F name="$repository" \
+                -F number="$number" \
+                -f query="
+                  query(\$owner: String!, \$name: String!, \$number: Int!) {
+                    repository(owner: \$owner, name: \$name) {
+                      discussion(number: \$number) {
+                        id
+                        closed
+                        locked
+                      }
+                    }
+                  }
+                "
+            )"
+            discussion_id="$(jq -r '.data.repository.discussion.id // empty' <<<"$discussion")"
+            closed="$(jq -r '.data.repository.discussion.closed // empty' <<<"$discussion")"
+            locked="$(jq -r '.data.repository.discussion.locked // empty' <<<"$discussion")"
+
+            if [ -z "$discussion_id" ]; then
+              echo "Skipping discussion #${number}; discussion is unavailable."
+              exit 0
+            fi
+
+            if [ "$closed" != "true" ]; then
+              echo "Skipping discussion #${number}; discussion is not closed."
+              exit 0
+            fi
+
+            if [ "$locked" = "true" ]; then
+              echo "Skipping discussion #${number}; conversation is already locked."
+              exit 0
+            fi
+
+            lock_discussion "$discussion_id"
+            exit 0
+          fi
+
           number="$(jq -r '.issue.number // .pull_request.number' "$GITHUB_EVENT_PATH")"
           sleep 10
 
@@ -82,6 +153,7 @@ jobs:
           private-key: ${{ secrets.FLUXER_CI_APP_KEY }}
           owner: fluxerapp
           repositories: fluxer
+          permission-discussions: write
           permission-issues: write
           permission-pull-requests: write
 
@@ -92,6 +164,26 @@ jobs:
         run: |
           set -euo pipefail
 
+          lock_discussion() {
+            local discussion_id="$1"
+
+            gh api graphql \
+              -f id="$discussion_id" \
+              -f query="
+                mutation(\$id: ID!) {
+                  lockLockable(input: {lockableId: \$id, lockReason: RESOLVED}) {
+                    lockedRecord {
+                      locked
+                    }
+                  }
+                }
+              " \
+              --silent
+          }
+
+          owner="${GITHUB_REPOSITORY%/*}"
+          repository="${GITHUB_REPOSITORY#*/}"
+
           count=0
           while IFS=$'\t' read -r number kind; do
             count=$((count + 1))
@@ -112,6 +204,40 @@ jobs:
               --jq '.[] | select(.locked == false) | [.number, (if has("pull_request") then "pull request" else "issue" end)] | @tsv'
           )
 
+          while IFS=$'\t' read -r discussion_id number; do
+            count=$((count + 1))
+
+            if [ "$DRY_RUN" = "true" ]; then
+              echo "Would lock discussion #${number} as resolved."
+              continue
+            fi
+
+            echo "Locking discussion #${number} as resolved."
+            lock_discussion "$discussion_id"
+          done < <(
+            gh api graphql --paginate \
+              -F owner="$owner" \
+              -F name="$repository" \
+              -f query="
+                query(\$owner: String!, \$name: String!, \$endCursor: String) {
+                  repository(owner: \$owner, name: \$name) {
+                    discussions(first: 100, after: \$endCursor, states: CLOSED, orderBy: {field: UPDATED_AT, direction: DESC}) {
+                      nodes {
+                        id
+                        number
+                        locked
+                      }
+                      pageInfo {
+                        hasNextPage
+                        endCursor
+                      }
+                    }
+                  }
+                }
+              " \
+              --jq '.data.repository.discussions.nodes[] | select(.locked == false) | [.id, .number] | @tsv'
+          )
+
           if [ "$count" -eq 0 ]; then
             echo "No unlocked closed conversations found."
           fi