Add backend foundation and config-driven workbench

backend/internal/service/release_view.go

@@ -0,0 +1,56 @@
+package service
+
+import "cmr-backend/internal/store/postgres"
+
+const (
+	LaunchSourceEventCurrentRelease = "event_current_release"
+	LaunchModeManifestRelease       = "manifest_release"
+)
+
+type ResolvedReleaseView struct {
+	LaunchMode             string  `json:"launchMode"`
+	Source                 string  `json:"source"`
+	EventID                string  `json:"eventId"`
+	ReleaseID              string  `json:"releaseId"`
+	ConfigLabel            string  `json:"configLabel"`
+	ManifestURL            string  `json:"manifestUrl"`
+	ManifestChecksumSha256 *string `json:"manifestChecksumSha256,omitempty"`
+	RouteCode              *string `json:"routeCode,omitempty"`
+}
+
+func buildResolvedReleaseFromEvent(event *postgres.Event, source string) *ResolvedReleaseView {
+	if event == nil || event.CurrentReleasePubID == nil || event.ConfigLabel == nil || event.ManifestURL == nil {
+		return nil
+	}
+
+	return &ResolvedReleaseView{
+		LaunchMode:             LaunchModeManifestRelease,
+		Source:                 source,
+		EventID:                event.PublicID,
+		ReleaseID:              *event.CurrentReleasePubID,
+		ConfigLabel:            *event.ConfigLabel,
+		ManifestURL:            *event.ManifestURL,
+		ManifestChecksumSha256: event.ManifestChecksum,
+		RouteCode:              event.RouteCode,
+	}
+}
+
+func buildResolvedReleaseFromSession(session *postgres.Session, source string) *ResolvedReleaseView {
+	if session == nil || session.ReleasePublicID == nil || session.ConfigLabel == nil || session.ManifestURL == nil {
+		return nil
+	}
+
+	view := &ResolvedReleaseView{
+		LaunchMode:             LaunchModeManifestRelease,
+		Source:                 source,
+		ReleaseID:              *session.ReleasePublicID,
+		ConfigLabel:            *session.ConfigLabel,
+		ManifestURL:            *session.ManifestURL,
+		ManifestChecksumSha256: session.ManifestChecksum,
+		RouteCode:              session.RouteCode,
+	}
+	if session.EventPublicID != nil {
+		view.EventID = *session.EventPublicID
+	}
+	return view
+}