status-go/services/ext/chat_accesors.go

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2022-02-09 21:58:33 +00:00
package ext
import (
"context"
"errors"
"strings"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/images"
"github.com/status-im/status-go/protocol"
"github.com/status-im/status-go/protocol/common"
"github.com/status-im/status-go/protocol/communities"
"github.com/status-im/status-go/protocol/protobuf"
v1protocol "github.com/status-im/status-go/protocol/v1"
)
var (
ErrChatNotFound = errors.New("can't find chat")
)
type ChannelGroupType string
const Personal ChannelGroupType = "personal"
const Community ChannelGroupType = "community"
type ChatPinnedMessages struct {
Cursor string
PinnedMessages []*common.PinnedMessage
}
type ChatMember struct {
// Community Roles
Roles []protobuf.CommunityMember_Roles `json:"roles,omitempty"`
// Admin indicates if the member is an admin of the group chat
Admin bool `json:"admin"`
// Joined indicates if the member has joined the group chat
Joined bool `json:"joined"`
}
type Chat struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
Color string `json:"color"`
Emoji string `json:"emoji"`
Active bool `json:"active"`
ChatType protocol.ChatType `json:"chatType"`
Timestamp int64 `json:"timestamp"`
LastClockValue uint64 `json:"lastClockValue"`
DeletedAtClockValue uint64 `json:"deletedAtClockValue"`
ReadMessagesAtClockValue uint64 `json:"readMessagesAtClockValue"`
UnviewedMessagesCount uint `json:"unviewedMessagesCount"`
UnviewedMentionsCount uint `json:"unviewedMentionsCount"`
LastMessage *common.Message `json:"lastMessage"`
Members map[string]ChatMember `json:"members,omitempty"`
MembershipUpdates []v1protocol.MembershipUpdateEvent `json:"membershipUpdateEvents"`
Alias string `json:"alias,omitempty"`
Identicon string `json:"identicon"`
Muted bool `json:"muted"`
InvitationAdmin string `json:"invitationAdmin,omitempty"`
ReceivedInvitationAdmin string `json:"receivedInvitationAdmin,omitempty"`
Profile string `json:"profile,omitempty"`
CommunityID string `json:"communityId,omitempty"`
CategoryID string `json:"categoryId"`
Position int32 `json:"position,omitempty"`
Permissions *protobuf.CommunityPermissions `json:"permissions,omitempty"`
Joined int64 `json:"joined,omitempty"`
SyncedTo uint32 `json:"syncedTo,omitempty"`
SyncedFrom uint32 `json:"syncedFrom,omitempty"`
Highlight bool `json:"highlight,omitempty"`
PinnedMessages *ChatPinnedMessages `json:"pinnedMessages,omitempty"`
CanPost bool `json:"canPost"`
}
type ChannelGroup struct {
Type ChannelGroupType `json:"channelGroupType"`
Name string `json:"name"`
Images map[string]images.IdentityImage `json:"images"`
Color string `json:"color"`
Chats map[string]*Chat `json:"chats"`
Categories map[string]communities.CommunityCategory `json:"categories"`
EnsName string `json:"ensName"`
}
func (api *PublicAPI) GetChats(parent context.Context) (map[string]ChannelGroup, error) {
joinedCommunities, err := api.service.messenger.JoinedCommunities()
if err != nil {
return nil, err
}
channels := api.service.messenger.Chats()
pubKey, err := api.service.accountsDB.GetPublicKey()
if err != nil {
return nil, err
}
result := make(map[string]ChannelGroup)
result[pubKey] = ChannelGroup{
Type: Personal,
Name: "",
Images: make(map[string]images.IdentityImage),
Color: "",
Chats: make(map[string]*Chat),
Categories: make(map[string]communities.CommunityCategory),
EnsName: "", // Not implemented yet in communities
}
for _, chat := range channels {
if !chat.Active || (!chat.OneToOne() && !chat.PrivateGroupChat() && !chat.Public()) || chat.CommunityID != "" {
continue
}
pinnedMessages, cursor, err := api.service.messenger.PinnedMessageByChatID(chat.ID, "", -1)
if err != nil {
return nil, err
}
c, err := toAPIChat(chat, nil, pubKey, pinnedMessages, cursor)
if err != nil {
return nil, err
}
result[pubKey].Chats[chat.ID] = c
}
for _, community := range joinedCommunities {
chGrp := ChannelGroup{
Type: Community,
Name: community.Name(),
Color: community.Description().Identity.Color,
Images: make(map[string]images.IdentityImage),
Chats: make(map[string]*Chat),
Categories: make(map[string]communities.CommunityCategory),
}
for t, i := range community.Description().Identity.Images {
chGrp.Images[t] = images.IdentityImage{Name: t, Payload: i.Payload}
}
for _, cat := range community.Description().Categories {
chGrp.Categories[cat.CategoryId] = communities.CommunityCategory{
ID: cat.CategoryId,
Name: cat.Name,
Position: int(cat.Position),
}
}
for _, chat := range channels {
if chat.CommunityID == community.IDString() {
pinnedMessages, cursor, err := api.service.messenger.PinnedMessageByChatID(chat.ID, "", -1)
if err != nil {
return nil, err
}
c, err := toAPIChat(chat, community, pubKey, pinnedMessages, cursor)
if err != nil {
return nil, err
}
chGrp.Chats[c.ID] = c
}
}
result[community.IDString()] = chGrp
}
return result, nil
}
func (api *PublicAPI) GetChat(parent context.Context, communityID types.HexBytes, chatID string) (*Chat, error) {
fullChatID := chatID
if len(communityID) != 0 {
fullChatID = string(communityID.Bytes()) + chatID
}
messengerChat := api.service.messenger.Chat(fullChatID)
if messengerChat == nil {
return nil, ErrChatNotFound
}
pubKey, err := api.service.accountsDB.GetPublicKey()
if err != nil {
return nil, err
}
var community *communities.Community
if messengerChat.CommunityID != "" {
communityID, err := hexutil.Decode(messengerChat.CommunityID)
if err != nil {
return nil, err
}
community, err = api.service.messenger.GetCommunityByID(communityID)
if err != nil {
return nil, err
}
}
pinnedMessages, cursor, err := api.service.messenger.PinnedMessageByChatID(messengerChat.ID, "", -1)
if err != nil {
return nil, err
}
result, err := toAPIChat(messengerChat, community, pubKey, pinnedMessages, cursor)
if err != nil {
return nil, err
}
return result, nil
}
func toAPIChat(protocolChat *protocol.Chat, community *communities.Community, pubKey string, pinnedMessages []*common.PinnedMessage, cursor string) (*Chat, error) {
chat := &Chat{
ID: strings.TrimPrefix(protocolChat.ID, protocolChat.CommunityID),
Name: protocolChat.Name,
Description: protocolChat.Description,
Color: protocolChat.Color,
Emoji: protocolChat.Emoji,
Active: protocolChat.Active,
ChatType: protocolChat.ChatType,
Timestamp: protocolChat.Timestamp,
LastClockValue: protocolChat.LastClockValue,
DeletedAtClockValue: protocolChat.DeletedAtClockValue,
ReadMessagesAtClockValue: protocolChat.ReadMessagesAtClockValue,
UnviewedMessagesCount: protocolChat.UnviewedMessagesCount,
UnviewedMentionsCount: protocolChat.UnviewedMentionsCount,
LastMessage: protocolChat.LastMessage,
Members: make(map[string]ChatMember),
MembershipUpdates: protocolChat.MembershipUpdates,
Alias: protocolChat.Alias,
Identicon: protocolChat.Identicon,
Muted: protocolChat.Muted,
InvitationAdmin: protocolChat.InvitationAdmin,
ReceivedInvitationAdmin: protocolChat.ReceivedInvitationAdmin,
Profile: protocolChat.Profile,
CommunityID: protocolChat.CommunityID,
CategoryID: protocolChat.CategoryID,
Joined: protocolChat.Joined,
SyncedTo: protocolChat.SyncedTo,
SyncedFrom: protocolChat.SyncedFrom,
Highlight: protocolChat.Highlight,
}
if protocolChat.OneToOne() {
chat.Name = "" // Emptying since it contains non useful data
}
if len(pinnedMessages) != 0 {
chat.PinnedMessages = &ChatPinnedMessages{
Cursor: cursor,
PinnedMessages: pinnedMessages,
}
}
err := chat.populateCommunityFields(community)
if err != nil {
return nil, err
}
chat.setChatMembers(protocolChat, community, pubKey)
return chat, nil
}
func (chat *Chat) setChatMembers(sourceChat *protocol.Chat, community *communities.Community, userPubKey string) {
if sourceChat.ChatType == protocol.ChatTypePrivateGroupChat && len(sourceChat.Members) > 0 {
for _, m := range sourceChat.Members {
chat.Members[m.ID] = ChatMember{
Admin: m.Admin,
Joined: m.Joined,
}
}
return
}
if sourceChat.ChatType == protocol.ChatTypeOneToOne {
chat.Members[sourceChat.ID] = ChatMember{
Joined: true,
}
chat.Members[userPubKey] = ChatMember{
Joined: true,
}
return
}
if community != nil {
for pubKey, m := range community.Description().Members {
if pubKey == userPubKey {
chat.Members[pubKey] = ChatMember{
Roles: m.Roles,
Joined: true,
}
} else {
chat.Members[pubKey] = ChatMember{
Roles: m.Roles,
Joined: community.Joined(),
}
}
}
return
}
}
func (chat *Chat) populateCommunityFields(community *communities.Community) error {
commChat, exists := community.Chats()[chat.ID]
if !exists {
return ErrChatNotFound
}
canPost, err := community.CanMemberIdentityPost(chat.ID)
if err != nil {
return err
}
chat.CategoryID = commChat.CategoryId
chat.Position = commChat.Position
chat.Permissions = commChat.Permissions
chat.Emoji = commChat.Identity.Emoji
chat.Name = commChat.Identity.DisplayName
chat.Color = commChat.Identity.Color
chat.Description = commChat.Identity.Description
chat.CanPost = canPost
return nil
}