added check result function when running a process model from the shell script

spiffworkflow-backend/bin/run_process_model_with_api

@@ -27,6 +27,15 @@ fi
 
 modified_process_model_identifier=$(tr '/' ':' <<<"$process_model_identifier")
 
+function check_result_for_error() {
+  local result="$1"
+  error_code=$(jq '.error_code' <<<"$result")
+  if [[ -n "$error_code" ]]; then
+    >&2 echo "ERROR: Failed to run process instance. Received error: $result"
+    exit 1
+  fi
+}
+
 function process_next_task() {
   local next_task="$1"
 
@@ -37,6 +46,7 @@ function process_next_task() {
 
     if grep -qE "Manual ?Task" <<<"$task_type" && [[ "${task_state}" == "READY" ]]; then
       next_task=$(curl --silent -X PUT "${BACKEND_BASE_URL}/v1.0/tasks/${process_instance_id}/${task_guid}" -H "Authorization: Bearer $access_token")
+      check_result_for_error "$next_task"
       process_next_task "$next_task"
     elif [[ "$(jq '.ok' <<<"$next_task")" == "null" ]]; then
       echo -e "\n\nThe next task is not a Manual Task and requires user input. It must be completed manually."
@@ -55,5 +65,6 @@ if ! grep -qE '^[0-9]+$' <<<"$process_instance_id"; then
 fi
 
 result=$(curl --silent -X POST "${BACKEND_BASE_URL}/v1.0/process-instances/${modified_process_model_identifier}/${process_instance_id}/run" -H "Authorization: Bearer $access_token")
+check_result_for_error "$result"
 next_task=$(jq '.next_task' <<<"$result")
 process_next_task "$next_task"