0.3.05

server/internal/store/gateway_settings.go

@@ -17,13 +17,14 @@ const GatewaySettingsKey = "gateway_settings"
 // GatewaySettings is the handful of server-level decisions an operator can change
 // without a redeployment.
 //
-// Every field is an *override* of the value the container was started with, and the zero
-// value means "whatever was deployed". That is the whole design: `.env` remains the
+// Most fields are an *override* of the value the container was started with, and their
+// zero value means "whatever was deployed". That is the whole design: `.env` remains the
 // configuration — it is what a fresh container comes up with, what deploy-server.ps1
 // writes and what an operator locked out of the console still has — and this row is a
 // runtime amendment to it, so the console can always show the deployed value beside the
 // one in force and an operator can put a setting back by clearing it rather than by
-// remembering what it used to be.
+// remembering what it used to be. NotificationDisplay is the exception: it is a native
+// server policy with a Home-only default rather than an environment-backed value.
 //
 // A window that can legitimately be *off* therefore needs a value distinct from "not
 // overridden", which is why the two alert windows and the health interval take -1 for off
@@ -44,6 +45,10 @@ type GatewaySettings struct {
 	// added" banner stays on offer to a television that was switched off at the time.
 	SonarrAlertMinutes int `json:"sonarrAlertMinutes"`
 	RadarrAlertMinutes int `json:"radarrAlertMinutes"`
+	// NotificationDisplay is where informational banners may be drawn across every
+	// viewer and television. It is server-owned rather than a per-viewer preference:
+	// one household should not have different interruption rules on different sets.
+	NotificationDisplay string `json:"notificationDisplay"`
 	// EmbyHealthSeconds is how often the reachability probe asks Emby whether it is there.
 	EmbyHealthSeconds int `json:"embyHealthSeconds"`
 	// SlowRequestMillis is how long a request must take before its log line carries a
@@ -74,6 +79,20 @@ const GatewaySettingsOff = -1
 // and refusing is worth nothing if the list it refuses against lives somewhere else.
 var GatewayLogLevels = []string{"trace", "debug", "info", "warn", "error"}
 
+const (
+	NotificationDisplayEverywhere = "everywhere"
+	NotificationDisplayHomeOnly   = "home_only"
+	NotificationDisplayOff        = "off"
+)
+
+// GatewayNotificationDisplays is the complete wire vocabulary, served to the console so
+// it cannot offer a value the gateway would refuse.
+var GatewayNotificationDisplays = []string{
+	NotificationDisplayEverywhere,
+	NotificationDisplayHomeOnly,
+	NotificationDisplayOff,
+}
+
 func normalizeGatewaySettings(settings GatewaySettings) GatewaySettings {
 	settings.Timezone = strings.TrimSpace(settings.Timezone)
 	if settings.Timezone != "" {
@@ -91,6 +110,13 @@ func normalizeGatewaySettings(settings GatewaySettings) GatewaySettings {
 	settings.SessionIdleDays = clampOverride(settings.SessionIdleDays, 1, 3650, false)
 	settings.SonarrAlertMinutes = clampOverride(settings.SonarrAlertMinutes, 1, 24*60, true)
 	settings.RadarrAlertMinutes = clampOverride(settings.RadarrAlertMinutes, 1, 7*24*60, true)
+	settings.NotificationDisplay = strings.ToLower(strings.TrimSpace(settings.NotificationDisplay))
+	if !containsString(GatewayNotificationDisplays, settings.NotificationDisplay) {
+		// Missing covers both a new installation and a row written by an older gateway.
+		// Unknown is equally conservative: silence from the setting must never authorise
+		// an interruption over active playback.
+		settings.NotificationDisplay = NotificationDisplayHomeOnly
+	}
 	settings.EmbyHealthSeconds = clampOverride(settings.EmbyHealthSeconds, 10, 3600, true)
 	// The floor is 1ms rather than 0 because "breakdown on everything" is a real thing to
 	// want for a few minutes, and off is a real thing to want too — this is the one
@@ -133,7 +159,7 @@ func (s *Store) GatewaySettings(ctx context.Context) (GatewaySettings, error) {
 	err := s.pool.QueryRow(ctx,
 		`SELECT value FROM app_settings WHERE key = $1`, GatewaySettingsKey).Scan(&raw)
 	if errors.Is(err, pgx.ErrNoRows) {
-		return GatewaySettings{}, nil
+		return normalizeGatewaySettings(GatewaySettings{}), nil
 	}
 	if err != nil {
 		return GatewaySettings{}, fmt.Errorf("store: read gateway settings: %w", err)