Add PR stats to open/closed pull request comment (#31)

* Add PR stats to open pull request comment

* Add PR stats to close pull request comment

* Fix linter errors

* Update style comment

* Update style comment

* Update style comment

Co-authored-by: Miguel Ángel Martín <miguelbemartin@gmail.com>

Author: Marc Navarro

src/github.sh

@@ -28,6 +28,10 @@ github::get_pr_title() {
   jq --raw-output .pull_request.title "$GITHUB_EVENT_PATH"
 }
 
+github::get_pr_patch_stats() {
+  jq --raw-output '.pull_request | "\(.commits) \(.changed_files) \(.additions) \(.deletions)"'  "$GITHUB_EVENT_PATH"
+}
+
 github::get_pr_merged() {
   jq --raw-output .pull_request.merged "$GITHUB_EVENT_PATH"
 }

src/teamwork.sh

@@ -36,10 +36,16 @@ teamwork::pull_request_opened() {
   local -r pr_url=$(github::get_pr_url)
   local -r pr_title=$(github::get_pr_title)
   local -r user=$(github::get_sender_user)
+  local -r pr_stats=$(github::get_pr_patch_stats)
+  IFS=" " read -r -a pr_stats_array <<< "$pr_stats"
 
   teamwork::add_comment "
-  **$user** opened a PR: **$pr_title**
-  [$pr_url]($pr_url)
+**$user** opened a PR: **$pr_title**
+[$pr_url]($pr_url)
+
+---
+
+🔢 ${pr_stats_array[0]} commits / 📝 ${pr_stats_array[1]} files updated / ${pr_stats_array[2]} additions / ${pr_stats_array[3]} deletions
   "
 }
 
@@ -74,7 +80,9 @@ teamwork::pull_request_review_submitted() {
     teamwork::add_comment "
 **$user** submitted a review to the PR: **$pr_title**
 [$pr_url]($pr_url)
+
 ---
+
 Review: **$review_state**
 $comment
 "

tests/events/pull_request_opened.json

@@ -9,7 +9,11 @@
       }
     },
     "html_url": "https://github.com/teamwork/github-sync/pull/1",
-    "title": "This is an example of a title for the PR."
+    "title": "This is an example of a title for the PR.",
+    "commits": 1,
+    "additions": 2,
+    "deletions": 3,
+    "changed_files": 4
   },
   "sender": {
     "login": "username"