430 lines
15 KiB
Go
430 lines
15 KiB
Go
package chat
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import (
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"context"
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"errors"
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"strings"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/status-im/status-go/eth-node/crypto"
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"github.com/status-im/status-go/eth-node/types"
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"github.com/status-im/status-go/images"
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"github.com/status-im/status-go/protocol"
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"github.com/status-im/status-go/protocol/common"
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"github.com/status-im/status-go/protocol/communities"
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"github.com/status-im/status-go/protocol/protobuf"
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"github.com/status-im/status-go/protocol/requests"
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v1protocol "github.com/status-im/status-go/protocol/v1"
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)
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var (
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ErrChatNotFound = errors.New("can't find chat")
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ErrCommunitiesNotSupported = errors.New("communities are not supported")
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ErrChatTypeNotSupported = errors.New("chat type not supported")
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)
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type ChannelGroupType string
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const Personal ChannelGroupType = "personal"
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const Community ChannelGroupType = "community"
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type PinnedMessages struct {
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Cursor string
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PinnedMessages []*common.PinnedMessage
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}
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type Member struct {
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// Community Roles
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Roles []protobuf.CommunityMember_Roles `json:"roles,omitempty"`
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// Admin indicates if the member is an admin of the group chat
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Admin bool `json:"admin"`
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// Joined indicates if the member has joined the group chat
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Joined bool `json:"joined"`
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}
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type Chat struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Description string `json:"description"`
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Color string `json:"color"`
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Emoji string `json:"emoji"`
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Active bool `json:"active"`
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ChatType protocol.ChatType `json:"chatType"`
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Timestamp int64 `json:"timestamp"`
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LastClockValue uint64 `json:"lastClockValue"`
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DeletedAtClockValue uint64 `json:"deletedAtClockValue"`
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ReadMessagesAtClockValue uint64 `json:"readMessagesAtClockValue"`
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UnviewedMessagesCount uint `json:"unviewedMessagesCount"`
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UnviewedMentionsCount uint `json:"unviewedMentionsCount"`
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LastMessage *common.Message `json:"lastMessage"`
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Members map[string]Member `json:"members,omitempty"`
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MembershipUpdates []v1protocol.MembershipUpdateEvent `json:"membershipUpdateEvents"`
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Alias string `json:"alias,omitempty"`
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Identicon string `json:"identicon"`
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Muted bool `json:"muted"`
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InvitationAdmin string `json:"invitationAdmin,omitempty"`
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ReceivedInvitationAdmin string `json:"receivedInvitationAdmin,omitempty"`
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Profile string `json:"profile,omitempty"`
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CommunityID string `json:"communityId"`
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CategoryID string `json:"categoryId"`
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Position int32 `json:"position,omitempty"`
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Permissions *protobuf.CommunityPermissions `json:"permissions,omitempty"`
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Joined int64 `json:"joined,omitempty"`
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SyncedTo uint32 `json:"syncedTo,omitempty"`
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SyncedFrom uint32 `json:"syncedFrom,omitempty"`
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FirstMessageTimestamp uint32 `json:"firstMessageTimestamp,omitempty"`
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Highlight bool `json:"highlight,omitempty"`
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PinnedMessages *PinnedMessages `json:"pinnedMessages,omitempty"`
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CanPost bool `json:"canPost"`
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Base64Image string `json:"image,omitempty"`
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}
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type ChannelGroup struct {
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Type ChannelGroupType `json:"channelGroupType"`
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Name string `json:"name"`
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Images map[string]images.IdentityImage `json:"images"`
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Color string `json:"color"`
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Chats map[string]*Chat `json:"chats"`
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Categories map[string]communities.CommunityCategory `json:"categories"`
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EnsName string `json:"ensName"`
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Admin bool `json:"admin"`
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Verified bool `json:"verified"`
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Description string `json:"description"`
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IntroMessage string `json:"introMessage"`
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OutroMessage string `json:"outroMessage"`
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Tags []communities.CommunityTag `json:"tags"`
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Permissions *protobuf.CommunityPermissions `json:"permissions"`
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Members map[string]*protobuf.CommunityMember `json:"members"`
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CanManageUsers bool `json:"canManageUsers"`
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Muted bool `json:"muted"`
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BanList []string `json:"banList"`
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}
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func NewAPI(service *Service) *API {
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return &API{
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s: service,
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}
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}
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type API struct {
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s *Service
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}
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func (api *API) GetChats(ctx context.Context) (map[string]ChannelGroup, error) {
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joinedCommunities, err := api.s.messenger.JoinedCommunities()
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if err != nil {
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return nil, err
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}
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channels := api.s.messenger.Chats()
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pubKey := types.EncodeHex(crypto.FromECDSAPub(api.s.messenger.IdentityPublicKey()))
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result := make(map[string]ChannelGroup)
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result[pubKey] = ChannelGroup{
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Type: Personal,
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Name: "",
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Images: make(map[string]images.IdentityImage),
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Color: "",
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Chats: make(map[string]*Chat),
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Categories: make(map[string]communities.CommunityCategory),
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EnsName: "", // Not implemented yet in communities
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Admin: true,
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Verified: true,
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Description: "",
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IntroMessage: "",
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OutroMessage: "",
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Tags: []communities.CommunityTag{},
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Permissions: &protobuf.CommunityPermissions{},
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Muted: false,
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}
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for _, chat := range channels {
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if !chat.Active || (!chat.OneToOne() && !chat.PrivateGroupChat() && !chat.Public()) || chat.CommunityID != "" {
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continue
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}
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c, err := api.toAPIChat(chat, nil, pubKey)
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if err != nil {
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return nil, err
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}
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result[pubKey].Chats[chat.ID] = c
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}
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for _, community := range joinedCommunities {
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chGrp := ChannelGroup{
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Type: Community,
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Name: community.Name(),
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Color: community.Color(),
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Images: make(map[string]images.IdentityImage),
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Chats: make(map[string]*Chat),
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Categories: make(map[string]communities.CommunityCategory),
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Admin: community.IsAdmin(),
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Verified: community.Verified(),
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Description: community.DescriptionText(),
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IntroMessage: community.IntroMessage(),
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OutroMessage: community.OutroMessage(),
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Tags: community.Tags(),
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Permissions: community.Description().Permissions,
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Members: community.Description().Members,
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CanManageUsers: community.CanManageUsers(community.MemberIdentity()),
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Muted: community.Muted(),
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BanList: community.Description().BanList,
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}
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for t, i := range community.Images() {
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chGrp.Images[t] = images.IdentityImage{Name: t, Payload: i.Payload}
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}
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for _, cat := range community.Categories() {
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chGrp.Categories[cat.CategoryId] = communities.CommunityCategory{
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ID: cat.CategoryId,
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Name: cat.Name,
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Position: int(cat.Position),
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}
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}
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for _, chat := range channels {
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if chat.CommunityID == community.IDString() && chat.Active {
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c, err := api.toAPIChat(chat, community, pubKey)
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if err != nil {
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return nil, err
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}
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chGrp.Chats[c.ID] = c
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}
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}
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result[community.IDString()] = chGrp
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}
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return result, nil
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}
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func (api *API) GetChat(ctx context.Context, communityID types.HexBytes, chatID string) (*Chat, error) {
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pubKey := types.EncodeHex(crypto.FromECDSAPub(api.s.messenger.IdentityPublicKey()))
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messengerChat, community, err := api.getChatAndCommunity(pubKey, communityID, chatID)
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if err != nil {
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return nil, err
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}
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result, err := api.toAPIChat(messengerChat, community, pubKey)
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if err != nil {
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return nil, err
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}
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return result, nil
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}
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func (api *API) GetMembers(ctx context.Context, communityID types.HexBytes, chatID string) (map[string]Member, error) {
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pubKey := types.EncodeHex(crypto.FromECDSAPub(api.s.messenger.IdentityPublicKey()))
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messengerChat, community, err := api.getChatAndCommunity(pubKey, communityID, chatID)
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if err != nil {
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return nil, err
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}
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return getChatMembers(messengerChat, community, pubKey)
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}
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func (api *API) JoinChat(ctx context.Context, communityID types.HexBytes, chatID string) (*Chat, error) {
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if len(communityID) != 0 {
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return nil, ErrCommunitiesNotSupported
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}
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response, err := api.s.messenger.CreatePublicChat(&requests.CreatePublicChat{ID: chatID})
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if err != nil {
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return nil, err
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}
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pubKey := types.EncodeHex(crypto.FromECDSAPub(api.s.messenger.IdentityPublicKey()))
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return api.toAPIChat(response.Chats()[0], nil, pubKey)
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}
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func (api *API) toAPIChat(protocolChat *protocol.Chat, community *communities.Community, pubKey string) (*Chat, error) {
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pinnedMessages, cursor, err := api.s.messenger.PinnedMessageByChatID(protocolChat.ID, "", -1)
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if err != nil {
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return nil, err
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}
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chat := &Chat{
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ID: strings.TrimPrefix(protocolChat.ID, protocolChat.CommunityID),
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Name: protocolChat.Name,
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Description: protocolChat.Description,
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Color: protocolChat.Color,
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Emoji: protocolChat.Emoji,
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Active: protocolChat.Active,
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ChatType: protocolChat.ChatType,
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Timestamp: protocolChat.Timestamp,
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LastClockValue: protocolChat.LastClockValue,
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DeletedAtClockValue: protocolChat.DeletedAtClockValue,
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ReadMessagesAtClockValue: protocolChat.ReadMessagesAtClockValue,
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UnviewedMessagesCount: protocolChat.UnviewedMessagesCount,
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UnviewedMentionsCount: protocolChat.UnviewedMentionsCount,
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LastMessage: protocolChat.LastMessage,
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MembershipUpdates: protocolChat.MembershipUpdates,
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Alias: protocolChat.Alias,
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Identicon: protocolChat.Identicon,
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Muted: protocolChat.Muted,
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InvitationAdmin: protocolChat.InvitationAdmin,
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ReceivedInvitationAdmin: protocolChat.ReceivedInvitationAdmin,
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Profile: protocolChat.Profile,
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CommunityID: protocolChat.CommunityID,
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CategoryID: protocolChat.CategoryID,
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Joined: protocolChat.Joined,
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SyncedTo: protocolChat.SyncedTo,
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SyncedFrom: protocolChat.SyncedFrom,
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FirstMessageTimestamp: protocolChat.FirstMessageTimestamp,
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Highlight: protocolChat.Highlight,
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Base64Image: protocolChat.Base64Image,
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}
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if protocolChat.OneToOne() {
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chat.Name = "" // Emptying since it contains non useful data
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}
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if len(pinnedMessages) != 0 {
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chat.PinnedMessages = &PinnedMessages{
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Cursor: cursor,
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PinnedMessages: pinnedMessages,
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}
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}
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err = chat.populateCommunityFields(community)
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if err != nil {
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return nil, err
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}
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chatMembers, err := getChatMembers(protocolChat, community, pubKey)
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if err != nil {
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return nil, err
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}
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chat.Members = chatMembers
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return chat, nil
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}
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func getChatMembers(sourceChat *protocol.Chat, community *communities.Community, userPubKey string) (map[string]Member, error) {
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result := make(map[string]Member)
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if sourceChat.ChatType == protocol.ChatTypePrivateGroupChat && len(sourceChat.Members) > 0 {
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for _, m := range sourceChat.Members {
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result[m.ID] = Member{
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Admin: m.Admin,
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Joined: true,
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}
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}
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return result, nil
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}
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if sourceChat.ChatType == protocol.ChatTypeOneToOne {
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result[sourceChat.ID] = Member{
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Joined: true,
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}
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result[userPubKey] = Member{
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Joined: true,
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}
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return result, nil
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}
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if community != nil {
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for member, m := range community.Description().Members {
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pubKey, err := common.HexToPubkey(member)
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if err != nil {
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return nil, err
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}
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result[member] = Member{
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Roles: m.Roles,
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Joined: community.Joined(),
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Admin: community.IsMemberAdmin(pubKey),
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}
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}
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return result, nil
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}
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return nil, nil
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}
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func (chat *Chat) populateCommunityFields(community *communities.Community) error {
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if community == nil {
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return nil
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}
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commChat, exists := community.Chats()[chat.ID]
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if !exists {
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// Skip unknown community chats. They might be channels that were deleted
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return nil
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}
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canPost, err := community.CanMemberIdentityPost(chat.ID)
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if err != nil {
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return err
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}
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chat.CategoryID = commChat.CategoryId
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chat.Position = commChat.Position
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chat.Permissions = commChat.Permissions
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chat.Emoji = commChat.Identity.Emoji
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chat.Name = commChat.Identity.DisplayName
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chat.Description = commChat.Identity.Description
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chat.CanPost = canPost
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return nil
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}
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func (api *API) getChatAndCommunity(pubKey string, communityID types.HexBytes, chatID string) (*protocol.Chat, *communities.Community, error) {
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fullChatID := chatID
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if string(communityID.Bytes()) == pubKey { // Obtaining chats from personal
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communityID = []byte{}
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}
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if len(communityID) != 0 {
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fullChatID = string(communityID.Bytes()) + chatID
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}
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messengerChat := api.s.messenger.Chat(fullChatID)
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if messengerChat == nil {
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return nil, nil, ErrChatNotFound
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}
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var community *communities.Community
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if messengerChat.CommunityID != "" {
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communityID, err := hexutil.Decode(messengerChat.CommunityID)
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if err != nil {
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return nil, nil, err
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}
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community, err = api.s.messenger.GetCommunityByID(communityID)
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if err != nil {
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return nil, nil, err
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}
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}
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return messengerChat, community, nil
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}
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func (api *API) EditChat(ctx context.Context, communityID types.HexBytes, chatID string, name string, color string, image images.CroppedImage) (*Chat, error) {
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if len(communityID) != 0 {
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return nil, ErrCommunitiesNotSupported
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}
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chatToEdit := api.s.messenger.Chat(chatID)
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if chatToEdit == nil {
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return nil, ErrChatNotFound
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}
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if chatToEdit.ChatType != protocol.ChatTypePrivateGroupChat {
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return nil, ErrChatTypeNotSupported
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}
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response, err := api.s.messenger.EditGroupChat(ctx, chatID, name, color, image)
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if err != nil {
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return nil, err
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}
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pubKey := types.EncodeHex(crypto.FromECDSAPub(api.s.messenger.IdentityPublicKey()))
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return api.toAPIChat(response.Chats()[0], nil, pubKey)
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}
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