268 lines
9 KiB
Go
268 lines
9 KiB
Go
package domain
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import "time"
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// UserIDSequenceBase 是普通用户 ID 的起始值。
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//
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// 取 2026-06-01 00:00:00 Asia/Shanghai 的 Unix 秒级时间戳。
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// 777000 等兼容系统账号低于该区间，业务注册用户从这里开始递增。
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const UserIDSequenceBase int64 = 1780243200
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// PeerColor is a domain-only representation of Telegram peerColor.
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// HasColor preserves explicit color=0, which is distinct from "color unset".
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type PeerColor struct {
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HasColor bool
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Color int
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BackgroundEmojiID int64
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}
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// EmojiStatusCollectible is the immutable projection needed to render a
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// collectible gift as an emoji status. The source of truth remains the owned
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// UniqueStarGift; users store an immutable snapshot so every user projection,
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// online update and offline difference observes the same shape without an
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// RPC-layer lookup.
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type EmojiStatusCollectible struct {
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CollectibleID int64 `json:"collectible_id"`
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DocumentID int64 `json:"document_id"`
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Title string `json:"title"`
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Slug string `json:"slug"`
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PatternDocumentID int64 `json:"pattern_document_id"`
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CenterColor int `json:"center_color"`
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EdgeColor int `json:"edge_color"`
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PatternColor int `json:"pattern_color"`
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TextColor int `json:"text_color"`
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}
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// Empty reports whether no collectible status is present.
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func (s EmojiStatusCollectible) Empty() bool {
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return s == (EmojiStatusCollectible{})
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}
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// Valid enforces the complete collectible status shape. Partial snapshots
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// are forbidden because clients would otherwise render a gradient without its
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// model/pattern or be unable to resolve the collectible link.
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func (s EmojiStatusCollectible) Valid() bool {
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if s.CollectibleID <= 0 || s.DocumentID <= 0 || s.PatternDocumentID <= 0 ||
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s.Title == "" || s.Slug == "" {
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return false
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}
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for _, color := range []int{s.CenterColor, s.EdgeColor, s.PatternColor, s.TextColor} {
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if color < 0 || color > 0xffffff {
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return false
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}
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}
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return true
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}
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// UserEmojiStatus is the protocol-neutral mutation value accepted by the user
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// service/store boundary. Exactly one of a normal document or a complete
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// collectible snapshot may be active; the zero value clears the status.
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type UserEmojiStatus struct {
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DocumentID int64 `json:"document_id"`
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Until int `json:"until,omitempty"`
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Collectible EmojiStatusCollectible `json:"collectible,omitempty"`
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}
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func (s UserEmojiStatus) Empty() bool {
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return s.DocumentID == 0 && s.Collectible.Empty()
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}
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func (s UserEmojiStatus) Valid() bool {
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if s.Until < 0 {
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return false
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}
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if s.Empty() {
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return s.Until == 0
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}
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if s.DocumentID <= 0 {
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return false
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}
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if s.Collectible.Empty() {
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return true
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}
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return s.Collectible.Valid() && s.DocumentID == s.Collectible.DocumentID
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}
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// Empty reports whether no explicit color/profile color state is set.
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func (c PeerColor) Empty() bool {
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return !c.HasColor && c.BackgroundEmojiID == 0
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}
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// User 是一个账号。第一阶段仅保留登录链路必须字段；
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// access_hash 为任何 InputUser 校验所必须，不可省。
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type User struct {
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ID int64
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AccessHash int64
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Phone string
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FirstName string
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LastName string
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About string
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Username string
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CountryCode string
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Verified bool
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Support bool
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Contact bool
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Mutual bool
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CloseFriend bool
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// ContactNote/ContactNoteEntities are transient viewer-scoped contact
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// projection fields. They must never be persisted into users or a
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// viewer-independent base-user cache.
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ContactNote string
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ContactNoteEntities []MessageEntity
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// Bot 标识 bot 账号；置位时 BotInfoVersion 必须 ≥1（TDesktop 只认
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// user TL 是否携带 bot_info_version 字段，且与 bot flag 共用 bit14）。
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Bot bool
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BotInfoVersion int
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// PremiumUntil 是会员到期 Unix 秒；0 表示非会员。premium 状态的唯一权威
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// 来源是该字段，由读取路径经 PremiumActiveAt 即时派生——到期后无需等
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// 后台 sweeper 翻转即停止下发 premium（sweeper 只负责清理与通知推送）。
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PremiumUntil int
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// EmojiStatusDocumentID / EmojiStatusUntil 是用户自定义 emoji status
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//（premium 专属，account.updateEmojiStatus）。DocumentID==0 表示未设置；
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// Until==0 表示永久。EmojiStatusCollectible 非零时 DocumentID 必须等于
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// collectible 的 model document id。
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EmojiStatusDocumentID int64
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EmojiStatusUntil int
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EmojiStatusCollectible EmojiStatusCollectible
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// Birthday 是用户公开生日（account.updateBirthday）。零值表示未设置。
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Birthday Birthday
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// PersonalChannelID 是资料页展示的「个人频道」（account.updatePersonalChannel）；
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// 0 表示未设置。资料投影时按它取频道对象与最新一帖。
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PersonalChannelID int64
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// LinkedCommunityID is the single Community containing this bot. Ordinary
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// users must keep it zero; the community aggregate enforces that invariant.
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LinkedCommunityID int64
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Color PeerColor
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ProfileColor PeerColor
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// Profile photo fields are filled by app-layer user projection. PhotoID==0 表示无头像。
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PhotoID int64
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PhotoDCID int
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PhotoStripped []byte
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PhotoPersonal bool
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PhotoHasVideo bool
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LastSeenAt int
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Status UserStatus
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// Deleted is the durable tombstone state. Deleted users remain addressable by
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// ID so historical messages can render "Deleted Account", but all profile
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// and reusable identity fields are cleared at the store boundary.
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Deleted bool
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DeletedAt int64
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DeletionSource AccountDeletionSource
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DeletionReason string
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CreatedAt time.Time
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AccountDeleteAt time.Time
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}
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// PremiumActiveAt 报告用户在 now（Unix 秒）时刻是否为有效会员。
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// bot 永不为会员（官方语义；授予路径同样排除 bot，这里是双保险）。
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func (u User) PremiumActiveAt(now int64) bool {
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return !u.Bot && u.PremiumUntil > 0 && int64(u.PremiumUntil) > now
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}
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// EmojiStatusActiveAt 报告用户在 now（Unix 秒）时刻是否有生效的 emoji status
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// （已设置且未过期；Until==0 表示永久）。emoji status 是 premium 专属，到期
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// 降级后即便列仍有残值也不再下发。
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func (u User) EmojiStatusActiveAt(now int64) bool {
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if !u.PremiumActiveAt(now) || !u.EmojiStatus().Valid() || u.EmojiStatusDocumentID == 0 {
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return false
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}
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return u.EmojiStatusUntil == 0 || int64(u.EmojiStatusUntil) > now
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}
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// EmojiStatus returns the complete status snapshot carried by this user.
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func (u User) EmojiStatus() UserEmojiStatus {
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return UserEmojiStatus{
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DocumentID: u.EmojiStatusDocumentID,
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Until: u.EmojiStatusUntil,
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Collectible: u.EmojiStatusCollectible,
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}
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}
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// DeletedTombstone strips every viewer-dependent or personally identifying
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// field while preserving the immutable id and lifecycle audit facts.
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func (u User) DeletedTombstone() User {
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if !u.Deleted {
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return u
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}
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return User{
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ID: u.ID,
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AccessHash: u.AccessHash,
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Deleted: true,
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DeletedAt: u.DeletedAt,
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DeletionSource: u.DeletionSource,
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DeletionReason: u.DeletionReason,
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CreatedAt: u.CreatedAt,
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AccountDeleteAt: u.AccountDeleteAt,
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Status: UserStatus{Kind: UserStatusEmpty},
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}
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}
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// UserStatusKind is a protocol-neutral account presence state.
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type UserStatusKind int
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const (
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UserStatusUnknown UserStatusKind = iota
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UserStatusOnline
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UserStatusOffline
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UserStatusRecently
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UserStatusLastWeek
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UserStatusLastMonth
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UserStatusEmpty
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)
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// UserStatus describes the currently visible presence state for a user.
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//
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// Expires and WasOnline are absolute Unix timestamps in seconds, matching
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// Telegram's UserStatus semantics without leaking tg.* into domain.
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type UserStatus struct {
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Kind UserStatusKind
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Expires int
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WasOnline int
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}
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// Birthday 是用户公开生日。Day/Month 为 0 表示未设置；Year 为 0 表示只填了月日不含年份。
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type Birthday struct {
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Day int
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Month int
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Year int
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}
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// IsSet 报告生日是否已设置（必须有合法月日）。
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func (b Birthday) IsSet() bool {
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return b.Day != 0 && b.Month != 0
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}
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// ValidBirthday 校验月/日（年份可选）是否在合法范围内。清除生日传零值即可（IsSet 为 false）。
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func ValidBirthday(b Birthday) bool {
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if b.Month < 1 || b.Month > 12 || b.Day < 1 || b.Day > 31 {
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return false
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}
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if b.Year != 0 && (b.Year < 1900 || b.Year > 2100) {
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return false
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}
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return true
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}
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// UserProfileUpdate 描述 account.updateProfile 的可选字段更新。
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type UserProfileUpdate struct {
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FirstName string
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HasFirstName bool
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LastName string
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HasLastName bool
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About string
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HasAbout bool
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}
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// UserFullView is the app-layer personalized full user view consumed by RPC.
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type UserFullView struct {
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User User
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ProfilePhoto *Photo
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PersonalPhoto *Photo
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FallbackPhoto *Photo
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About string
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PhoneCallsAvailable bool
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PhoneCallsPrivate bool
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VideoCallsAvailable bool
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VoiceMessagesForbidden bool
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ReadDatesPrivate bool
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}
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