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