package protocol import ( "strings" "time" "github.com/status-im/status-go/eth-node/crypto" "github.com/status-im/status-go/eth-node/types" "github.com/status-im/status-go/protocol/common" "github.com/status-im/status-go/protocol/protobuf" v1protocol "github.com/status-im/status-go/protocol/v1" ) var defaultSystemMessagesTranslations = new(systemMessageTranslationsMap) func init() { defaultSystemMessagesTranslationSet := map[protobuf.MembershipUpdateEvent_EventType]string{ protobuf.MembershipUpdateEvent_CHAT_CREATED: "{{from}} created the group {{name}}", protobuf.MembershipUpdateEvent_NAME_CHANGED: "{{from}} changed the group's name to {{name}}", protobuf.MembershipUpdateEvent_MEMBERS_ADDED: "{{from}} has invited {{members}}", protobuf.MembershipUpdateEvent_MEMBER_JOINED: "{{from}} joined the group", protobuf.MembershipUpdateEvent_ADMINS_ADDED: "{{from}} has made {{members}} admin", protobuf.MembershipUpdateEvent_MEMBER_REMOVED: "{{member}} left the group", protobuf.MembershipUpdateEvent_ADMIN_REMOVED: "{{member}} is not admin anymore", } defaultSystemMessagesTranslations.Init(defaultSystemMessagesTranslationSet) } func tsprintf(format string, params map[string]string) string { for key, val := range params { format = strings.Replace(format, "{{"+key+"}}", val, -1) } return format } func eventToSystemMessage(e v1protocol.MembershipUpdateEvent, translations *systemMessageTranslationsMap) *common.Message { var text string switch e.Type { case protobuf.MembershipUpdateEvent_CHAT_CREATED: message, _ := translations.Load(protobuf.MembershipUpdateEvent_CHAT_CREATED) text = tsprintf(message, map[string]string{"from": "@" + e.From, "name": e.Name}) case protobuf.MembershipUpdateEvent_NAME_CHANGED: message, _ := translations.Load(protobuf.MembershipUpdateEvent_NAME_CHANGED) text = tsprintf(message, map[string]string{"from": "@" + e.From, "name": e.Name}) case protobuf.MembershipUpdateEvent_MEMBERS_ADDED: var memberMentions []string for _, s := range e.Members { memberMentions = append(memberMentions, "@"+s) } message, _ := translations.Load(protobuf.MembershipUpdateEvent_MEMBERS_ADDED) text = tsprintf(message, map[string]string{"from": "@" + e.From, "members": strings.Join(memberMentions, ", ")}) case protobuf.MembershipUpdateEvent_MEMBER_JOINED: message, _ := translations.Load(protobuf.MembershipUpdateEvent_MEMBER_JOINED) text = tsprintf(message, map[string]string{"from": "@" + e.From}) case protobuf.MembershipUpdateEvent_ADMINS_ADDED: var memberMentions []string for _, s := range e.Members { memberMentions = append(memberMentions, "@"+s) } message, _ := translations.Load(protobuf.MembershipUpdateEvent_ADMINS_ADDED) text = tsprintf(message, map[string]string{"from": "@" + e.From, "members": strings.Join(memberMentions, ", ")}) case protobuf.MembershipUpdateEvent_MEMBER_REMOVED: message, _ := translations.Load(protobuf.MembershipUpdateEvent_MEMBER_REMOVED) text = tsprintf(message, map[string]string{"member": "@" + e.Members[0]}) case protobuf.MembershipUpdateEvent_ADMIN_REMOVED: message, _ := translations.Load(protobuf.MembershipUpdateEvent_ADMIN_REMOVED) text = tsprintf(message, map[string]string{"member": "@" + e.Members[0]}) } timestamp := v1protocol.TimestampInMsFromTime(time.Now()) message := &common.Message{ ChatMessage: protobuf.ChatMessage{ ChatId: e.ChatID, Text: text, MessageType: protobuf.MessageType_SYSTEM_MESSAGE_PRIVATE_GROUP, ContentType: protobuf.ChatMessage_SYSTEM_MESSAGE_CONTENT_PRIVATE_GROUP, Clock: e.ClockValue, Timestamp: timestamp, }, From: e.From, WhisperTimestamp: timestamp, LocalChatID: e.ChatID, Seen: true, ID: types.EncodeHex(crypto.Keccak256(e.Signature)), } // We don't pass an identity here as system messages don't need the mentioned flag _ = message.PrepareContent("") return message } func buildSystemMessages(events []v1protocol.MembershipUpdateEvent, translations *systemMessageTranslationsMap) []*common.Message { var messages []*common.Message for _, e := range events { messages = append(messages, eventToSystemMessage(e, translations)) } return messages }