Enhancement: Allow multiple task links in the PR description (#16)

* Enhancement: Allow multiple task links in the PR description

Resolves #2

* Fix: Warnings detected by the linter

* Fix: Modifying read-only local variable while extracting task IDs

Issue detected by @miguelbemartin

* Enhancement: Avoid repeated log messages while iterating task IDs

Suggestion from @miguelbemartin

Co-authored-by: Miguel Ángel Martín <[email protected]>

Author: rafaeljusto

src/main.sh

@@ -22,34 +22,37 @@ main() {
 
   # Check if there is a task link in the PR
   local -r pr_body=$(github::get_pr_body)
-  local -r task_id=$(teamwork::get_task_id_from_body "$pr_body" )
+  local -r task_ids_str=$(teamwork::get_task_id_from_body "$pr_body" )
 
-  if [ "$task_id" == "" ]; then
+  if [ "$task_ids_str" == "" ]; then
     log::message "Task not found"
     exit 0
   fi
 
-  log::message "Task found with the id: $task_id"
-
-  export TEAMWORK_TASK_ID=$task_id
-
   local -r event=$(github::get_event_name)
   local -r action=$(github::get_action)
 
   log::message "Event: $event - Action: $action"
 
-  if [ "$event" == "pull_request" ] && [ "$action" == "opened" ]; then
-    teamwork::pull_request_opened
-  elif [ "$event" == "pull_request" ] && [ "$action" == "closed" ]; then
-    teamwork::pull_request_closed
-  elif [ "$event" == "pull_request_review" ] && [ "$action" == "submitted" ]; then
-    teamwork::pull_request_review_submitted
-  elif [ "$event" == "pull_request_review" ] && [ "$action" == "dismissed" ]; then
-    teamwork::pull_request_review_dismissed
-  else
-    log::message "Operation not allowed"
-    exit 0
-  fi
+  IFS=',' read -r -a task_ids <<< "$task_ids_str"
+  for task_id in "${task_ids[@]}"; do
+    log::message "Task found with the id: $task_id"
+
+    export TEAMWORK_TASK_ID=$task_id
+
+    if [ "$event" == "pull_request" ] && [ "$action" == "opened" ]; then
+      teamwork::pull_request_opened
+    elif [ "$event" == "pull_request" ] && [ "$action" == "closed" ]; then
+      teamwork::pull_request_closed
+    elif [ "$event" == "pull_request_review" ] && [ "$action" == "submitted" ]; then
+      teamwork::pull_request_review_submitted
+    elif [ "$event" == "pull_request_review" ] && [ "$action" == "dismissed" ]; then
+      teamwork::pull_request_review_dismissed
+    else
+      log::message "Operation not allowed"
+      exit 0
+    fi
+  done
 
   exit $?
 }

src/teamwork.sh

@@ -1,13 +1,19 @@
 #!/usr/bin/env bash
 
 teamwork::get_task_id_from_body() {
-  local -r body=$1
+  local body=$1
+  local task_ids=()
 
-  pat='tasks\/[0-9]{1,}'
-  task=$(echo "$body" | grep -Eo "$pat")
-  task_id=$(echo "$task" | tr -cd  '[:digit:]')
+  pat='tasks\/([0-9]{1,})'
+  while [[ $body =~ $pat ]]; do
+    task_ids+=( "${BASH_REMATCH[1]}" )
+    body=${body#*"${BASH_REMATCH[1]}"}
+  done
 
-  echo "$task_id"
+  local task_ids_str
+  task_ids_str=$(printf ",%s" "${task_ids[@]}")
+  task_ids_str=${task_ids_str:1} # remove initial comma
+  echo "$task_ids_str"
 }
 
 teamwork::add_comment() {