convert statuses.visibility and notifications.notification_type columns from type string -> int for performance / space savings

internal/gtsmodel/interactionpolicy.go

@@ -224,7 +224,7 @@ func DefaultInteractionPolicyFor(v Visibility) *InteractionPolicy {
 	case VisibilityDirect:
 		return DefaultInteractionPolicyDirect()
 	default:
-		panic("visibility " + v + " not recognized")
+		panic("invalid visibility")
 	}
 }
 

internal/gtsmodel/notification.go

@@ -34,20 +34,51 @@ type Notification struct {
 	Read             *bool            `bun:",nullzero,notnull,default:false"`                             // Notification has been seen/read
 }
 
-// NotificationType describes the reason/type of this notification.
-type NotificationType string
+// NotificationType describes the
+// reason/type of this notification.
+type NotificationType int
 
-// Notification Types
 const (
-	NotificationFollow        NotificationType = "follow"            // NotificationFollow -- someone followed you
-	NotificationFollowRequest NotificationType = "follow_request"    // NotificationFollowRequest -- someone requested to follow you
-	NotificationMention       NotificationType = "mention"           // NotificationMention -- someone mentioned you in their status
-	NotificationReblog        NotificationType = "reblog"            // NotificationReblog -- someone boosted one of your statuses
-	NotificationFave          NotificationType = "favourite"         // NotificationFave -- someone faved/liked one of your statuses
-	NotificationPoll          NotificationType = "poll"              // NotificationPoll -- a poll you voted in or created has ended
-	NotificationStatus        NotificationType = "status"            // NotificationStatus -- someone you enabled notifications for has posted a status.
-	NotificationSignup        NotificationType = "admin.sign_up"     // NotificationSignup -- someone has submitted a new account sign-up to the instance.
-	NotificationPendingFave   NotificationType = "pending.favourite" // Someone has faved a status of yours, which requires approval by you.
-	NotificationPendingReply  NotificationType = "pending.reply"     // Someone has replied to a status of yours, which requires approval by you.
-	NotificationPendingReblog NotificationType = "pending.reblog"    // Someone has boosted a status of yours, which requires approval by you.
+	// Notification Types
+	NotificationFollow        NotificationType = 1  // NotificationFollow -- someone followed you
+	NotificationFollowRequest NotificationType = 2  // NotificationFollowRequest -- someone requested to follow you
+	NotificationMention       NotificationType = 3  // NotificationMention -- someone mentioned you in their status
+	NotificationReblog        NotificationType = 4  // NotificationReblog -- someone boosted one of your statuses
+	NotificationFave          NotificationType = 5  // NotificationFave -- someone faved/liked one of your statuses
+	NotificationPoll          NotificationType = 6  // NotificationPoll -- a poll you voted in or created has ended
+	NotificationStatus        NotificationType = 7  // NotificationStatus -- someone you enabled notifications for has posted a status.
+	NotificationSignup        NotificationType = 8  // NotificationSignup -- someone has submitted a new account sign-up to the instance.
+	NotificationPendingFave   NotificationType = 9  // Someone has faved a status of yours, which requires approval by you.
+	NotificationPendingReply  NotificationType = 10 // Someone has replied to a status of yours, which requires approval by you.
+	NotificationPendingReblog NotificationType = 11 // Someone has boosted a status of yours, which requires approval by you.
 )
+
+// String returns a stringified, frontend API compatible form of NotificationType.
+func (t NotificationType) String() string {
+	switch t {
+	case NotificationFollow:
+		return "follow"
+	case NotificationFollowRequest:
+		return "follow_request"
+	case NotificationMention:
+		return "mention"
+	case NotificationReblog:
+		return "reblog"
+	case NotificationFave:
+		return "favourite"
+	case NotificationPoll:
+		return "poll"
+	case NotificationStatus:
+		return "status"
+	case NotificationSignup:
+		return "admin.sign_up"
+	case NotificationPendingFave:
+		return "pending.favourite"
+	case NotificationPendingReply:
+		return "pending.reply"
+	case NotificationPendingReblog:
+		return "pending.reblog"
+	default:
+		panic("invalid notification type")
+	}
+}

internal/gtsmodel/status.go

@@ -263,27 +263,58 @@ type StatusToEmoji struct {
 	Emoji    *Emoji  `bun:"rel:belongs-to"`
 }
 
-// Visibility represents the visibility granularity of a status.
-type Visibility string
+// Visibility represents the
+// visibility granularity of a status.
+type Visibility int
 
 const (
 	// VisibilityNone means nobody can see this.
 	// It's only used for web status visibility.
-	VisibilityNone Visibility = "none"
-	// VisibilityPublic means this status will be visible to everyone on all timelines.
-	VisibilityPublic Visibility = "public"
-	// VisibilityUnlocked means this status will be visible to everyone, but will only show on home timeline to followers, and in lists.
-	VisibilityUnlocked Visibility = "unlocked"
+	VisibilityNone Visibility = 1
+
+	// VisibilityPublic means this status will
+	// be visible to everyone on all timelines.
+	VisibilityPublic Visibility = 2
+
+	// VisibilityUnlocked means this status will be visible to everyone,
+	// but will only show on home timeline to followers, and in lists.
+	VisibilityUnlocked Visibility = 3
+
 	// VisibilityFollowersOnly means this status is viewable to followers only.
-	VisibilityFollowersOnly Visibility = "followers_only"
-	// VisibilityMutualsOnly means this status is visible to mutual followers only.
-	VisibilityMutualsOnly Visibility = "mutuals_only"
-	// VisibilityDirect means this status is visible only to mentioned recipients.
-	VisibilityDirect Visibility = "direct"
+	VisibilityFollowersOnly Visibility = 4
+
+	// VisibilityMutualsOnly means this status
+	// is visible to mutual followers only.
+	VisibilityMutualsOnly Visibility = 5
+
+	// VisibilityDirect means this status is
+	// visible only to mentioned recipients.
+	VisibilityDirect Visibility = 6
+
 	// VisibilityDefault is used when no other setting can be found.
 	VisibilityDefault Visibility = VisibilityUnlocked
 )
 
+// String returns a stringified, frontend API compatible form of Visibility.
+func (v Visibility) String() string {
+	switch v {
+	case VisibilityNone:
+		return "none"
+	case VisibilityPublic:
+		return "public"
+	case VisibilityUnlocked:
+		return "unlocked"
+	case VisibilityFollowersOnly:
+		return "followers_only"
+	case VisibilityMutualsOnly:
+		return "mutuals_only"
+	case VisibilityDirect:
+		return "direct"
+	default:
+		panic("invalid visibility")
+	}
+}
+
 // Content models the simple string content
 // of a status along with its ContentMap,
 // which contains content entries keyed by