Function parsePullRequestTrigger

pkg/workflow/trigger_parser.go:232–306

parsePullRequestTrigger parses pull request triggers

(tokens []string)

// parsePullRequestTrigger parses pull request triggers
func parsePullRequestTrigger(tokens []string) (*TriggerIR, error) {
	if len(tokens) == 1 {
		// Simple "pull_request" trigger - leave as simple string
		// GitHub Actions supports: on: pull_request
		return nil, nil
	}

	// Check for activity type: "pull_request opened", "pull_request merged", etc.
	activityType := tokens[1]

	// Map common activity types
	validTypes := map[string]struct {
	}{
		"opened":           {},
		"edited":           {},
		"closed":           {},
		"reopened":         {},
		"synchronize":      {},
		"assigned":         {},
		"unassigned":       {},
		"labeled":          {},
		"unlabeled":        {},
		"review_requested": {},
	}

	// Special case: "merged" is not a real type, it's a condition on "closed"
	if activityType == "merged" {
		triggerParserLog.Print("Parsed pull_request merged trigger (maps to closed with merge condition)")
		return &TriggerIR{
			Event:      "pull_request",
			Types:      []string{"closed"},
			Conditions: []string{"github.event.pull_request.merged == true"},
			AdditionalEvents: map[string]any{
				"workflow_dispatch": nil,
			},
		}, nil
	}

	if setutil.Contains(validTypes, activityType) {
		ir := &TriggerIR{
			Event: "pull_request",
			Types: []string{activityType},
			AdditionalEvents: map[string]any{
				"workflow_dispatch": nil,
			},
		}

		// Check for path filter: "pull_request opened affecting <path>"
		if len(tokens) >= 4 && tokens[2] == "affecting" {
			path := strings.Join(tokens[3:], " ")
			ir.Filters = map[string]any{
				"paths": []string{path},
			}
		}

		return ir, nil
	}