feat: sync community aggregates

Sync telesrv 36eda30 (feat(communities): implement Layer 228 community aggregates).

Skipped telesrv docs changes per public sync rules; normalized the public appearance seed label.

internal/domain/community.go

@@ -0,0 +1,214 @@
+package domain
+
+import "errors"
+
+const (
+	MaxCommunityPeers        = 100
+	MaxCommunityBotPeers     = 100
+	MaxCommunityLinkRequests = 100
+	MaxCommunityTitleRunes   = 128
+	MaxCommunityAboutRunes   = 255
+	MaxCommunityParticipants = 200
+)
+
+var (
+	ErrCommunityInvalid            = errors.New("community invalid")
+	ErrCommunityPrivate            = errors.New("community private")
+	ErrCommunityAdminRequired      = errors.New("community admin required")
+	ErrCommunityCreatorRequired    = errors.New("community creator required")
+	ErrCommunityPeerInvalid        = errors.New("community peer invalid")
+	ErrCommunityPeerLinked         = errors.New("community peer already linked")
+	ErrCommunityPeersTooMuch       = errors.New("community peers too much")
+	ErrCommunityRequestCreated     = errors.New("community request created")
+	ErrCommunityRequestMissing     = errors.New("community request missing")
+	ErrCommunityParticipantInvalid = errors.New("community participant invalid")
+)
+
+// Community is the Layer 228 aggregation container. It intentionally has no
+// message/read/pts fields: linked dialogs remain the only message truth.
+type Community struct {
+	ID                  int64
+	AccessHash          int64
+	CreatorUserID       int64
+	Title               string
+	About               string
+	Date                int
+	Deleted             bool
+	DefaultBannedRights ChannelBannedRights
+	PhotoID             int64
+	PhotoDCID           int
+	PhotoStripped       []byte
+}
+
+type CommunityMemberRole string
+
+const (
+	CommunityRoleCreator CommunityMemberRole = "creator"
+	CommunityRoleAdmin   CommunityMemberRole = "admin"
+	CommunityRoleMember  CommunityMemberRole = "member"
+)
+
+type CommunityMemberStatus string
+
+const (
+	CommunityMemberActive CommunityMemberStatus = "active"
+	CommunityMemberKicked CommunityMemberStatus = "kicked"
+)
+
+type CommunityMember struct {
+	CommunityID int64
+	UserID      int64
+	Role        CommunityMemberRole
+	Status      CommunityMemberStatus
+	AdminRights ChannelAdminRights
+	Rank        string
+	Date        int
+}
+
+func (m CommunityMember) Active() bool { return m.Status == CommunityMemberActive }
+
+func (m CommunityMember) CanManageLinkedPeers() bool {
+	return m.Active() && (m.Role == CommunityRoleCreator ||
+		(m.Role == CommunityRoleAdmin && m.AdminRights.ManageLinkedPeers))
+}
+
+func (m CommunityMember) CanChangeInfo() bool {
+	return m.Active() && (m.Role == CommunityRoleCreator ||
+		(m.Role == CommunityRoleAdmin && m.AdminRights.ChangeInfo))
+}
+
+func (m CommunityMember) CanAddAdmins() bool {
+	return m.Active() && (m.Role == CommunityRoleCreator ||
+		(m.Role == CommunityRoleAdmin && m.AdminRights.AddAdmins))
+}
+
+func (m CommunityMember) CanBanUsers() bool {
+	return m.Active() && (m.Role == CommunityRoleCreator ||
+		(m.Role == CommunityRoleAdmin && m.AdminRights.BanUsers))
+}
+
+type CommunityPeerVisibility string
+
+const (
+	CommunityPeerVisible CommunityPeerVisibility = "visible"
+	CommunityPeerHidden  CommunityPeerVisibility = "hidden"
+)
+
+type CommunityPeerLink struct {
+	CommunityID    int64
+	Peer           Peer
+	Visibility     CommunityPeerVisibility
+	CanViewHistory bool
+	CreatedBy      int64
+	Date           int
+}
+
+func (l CommunityPeerLink) Visible() bool { return l.Visibility == CommunityPeerVisible }
+
+type CommunityPeerLinkRequest struct {
+	CommunityID int64
+	Peer        Peer
+	RequestedBy int64
+	Visibility  CommunityPeerVisibility
+	Date        int
+}
+
+type CommunityUserState struct {
+	CommunityID    int64
+	UserID         int64
+	Collapsed      bool
+	Pinned         bool
+	PinnedOrder    int
+	NotifySettings *PeerNotifySettings
+}
+
+type CommunityView struct {
+	Community       Community
+	Self            CommunityMember
+	State           CommunityUserState
+	Links           []CommunityPeerLink
+	Channels        []Channel
+	Users           []User
+	ServiceMessages []SendChannelMessageResult
+	AdminsCount     int
+	KickedCount     int
+	PendingRequests int
+	Forbidden       bool
+}
+
+func (v CommunityView) Creator() bool {
+	return v.Self.Active() && v.Self.Role == CommunityRoleCreator
+}
+
+type CreateCommunityRequest struct {
+	CreatorUserID int64
+	Title         string
+	About         string
+	InitialPeer   Peer
+	Visibility    CommunityPeerVisibility
+	Date          int
+}
+
+type CommunityTogglePeerLinkRequest struct {
+	ActorUserID int64
+	CommunityID int64
+	Peer        Peer
+	Visibility  CommunityPeerVisibility
+	Deleted     bool
+	RequestOnly bool
+	Date        int
+}
+
+type CommunityTogglePeerLinkResult struct {
+	Community      Community
+	Peer           Peer
+	RequestedBy    int64
+	Link           *CommunityPeerLink
+	ServiceMessage *SendChannelMessageResult
+	Removed        bool
+	RequestCreated bool
+}
+
+type CommunityPeerLinkRequestPage struct {
+	TotalCount int
+	Requests   []CommunityPeerLinkRequest
+	NextOffset string
+	Channels   []Channel
+	Users      []User
+}
+
+type CommunityParticipantJoinedChats struct {
+	CreatorChatIDs []int64
+	JoinedChatIDs  []int64
+	Channels       []Channel
+	Users          []User
+}
+
+type CommunityParticipantList struct {
+	Community    Community
+	Count        int
+	Participants []CommunityMember
+	Users        []User
+	Hash         int64
+}
+
+type CommunityParticipantBanResult struct {
+	Changed      bool
+	ChannelBans  []EditChannelBannedResult
+	RemovedLinks []CommunityTogglePeerLinkResult
+}
+
+type CommunityEditAdminRequest struct {
+	ActorUserID int64
+	CommunityID int64
+	UserID      int64
+	Rights      ChannelAdminRights
+	Rank        string
+	Date        int
+}
+
+type CommunitySearchScope struct {
+	CommunityID int64
+	ChannelIDs  []int64
+	BotUserIDs  []int64
+}