status-go/protocol/messenger_response.go

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package protocol
import (
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"encoding/json"
"github.com/status-im/status-go/protocol/common"
"github.com/status-im/status-go/protocol/communities"
"github.com/status-im/status-go/protocol/encryption/multidevice"
"github.com/status-im/status-go/protocol/transport"
"github.com/status-im/status-go/services/mailservers"
)
type MessengerResponse struct {
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Messages []*common.Message
Contacts []*Contact
Installations []*multidevice.Installation
EmojiReactions []*EmojiReaction
Invitations []*GroupChatInvitation
CommunityChanges []*communities.CommunityChanges
RequestsToJoinCommunity []*communities.RequestToJoin
Filters []*transport.Filter
RemovedFilters []*transport.Filter
Mailservers []mailservers.Mailserver
MailserverTopics []mailservers.MailserverTopic
MailserverRanges []mailservers.ChatRequestRange
// Notifications a list of MessageNotificationBody derived from received messages that are useful to notify the user about
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Notifications []MessageNotificationBody
chats map[string]*Chat
removedChats map[string]bool
communities map[string]*communities.Community
}
func (r *MessengerResponse) MarshalJSON() ([]byte, error) {
responseItem := struct {
Chats []*Chat `json:"chats,omitempty"`
RemovedChats []string `json:"removedChats,omitempty"`
Messages []*common.Message `json:"messages,omitempty"`
Contacts []*Contact `json:"contacts,omitempty"`
Installations []*multidevice.Installation `json:"installations,omitempty"`
EmojiReactions []*EmojiReaction `json:"emojiReactions,omitempty"`
Invitations []*GroupChatInvitation `json:"invitations,omitempty"`
CommunityChanges []*communities.CommunityChanges `json:"communityChanges,omitempty"`
RequestsToJoinCommunity []*communities.RequestToJoin `json:"requestsToJoinCommunity,omitempty"`
Filters []*transport.Filter `json:"filters,omitempty"`
RemovedFilters []*transport.Filter `json:"removedFilters,omitempty"`
Mailservers []mailservers.Mailserver `json:"mailservers,omitempty"`
MailserverTopics []mailservers.MailserverTopic `json:"mailserverTopics,omitempty"`
MailserverRanges []mailservers.ChatRequestRange `json:"mailserverRanges,omitempty"`
// Notifications a list of MessageNotificationBody derived from received messages that are useful to notify the user about
Notifications []MessageNotificationBody `json:"notifications"`
Communities []*communities.Community `json:"communities,omitempty"`
}{
Messages: r.Messages,
Contacts: r.Contacts,
Installations: r.Installations,
EmojiReactions: r.EmojiReactions,
Invitations: r.Invitations,
CommunityChanges: r.CommunityChanges,
RequestsToJoinCommunity: r.RequestsToJoinCommunity,
Filters: r.Filters,
RemovedFilters: r.RemovedFilters,
Mailservers: r.Mailservers,
MailserverTopics: r.MailserverTopics,
MailserverRanges: r.MailserverRanges,
Notifications: r.Notifications,
}
responseItem.Chats = r.Chats()
responseItem.Communities = r.Communities()
responseItem.RemovedChats = r.RemovedChats()
return json.Marshal(responseItem)
}
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func (r *MessengerResponse) Chats() []*Chat {
var chats []*Chat
for _, chat := range r.chats {
chats = append(chats, chat)
}
return chats
}
func (r *MessengerResponse) RemovedChats() []string {
var chats []string
for chatID := range r.removedChats {
chats = append(chats, chatID)
}
return chats
}
func (r *MessengerResponse) Communities() []*communities.Community {
var communities []*communities.Community
for _, c := range r.communities {
communities = append(communities, c)
}
return communities
}
func (r *MessengerResponse) IsEmpty() bool {
return len(r.chats)+
len(r.Messages)+
len(r.Contacts)+
len(r.Installations)+
len(r.Invitations)+
len(r.EmojiReactions)+
len(r.communities)+
len(r.CommunityChanges)+
len(r.Filters)+
len(r.RemovedFilters)+
len(r.removedChats)+
len(r.MailserverTopics)+
len(r.Mailservers)+
len(r.MailserverRanges)+
len(r.Notifications)+
len(r.RequestsToJoinCommunity) == 0
}
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// Merge takes another response and appends the new Chats & new Messages and replaces
// the existing Messages & Chats if they have the same ID
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func (r *MessengerResponse) Merge(response *MessengerResponse) error {
if len(response.Contacts)+
len(response.Installations)+
len(response.EmojiReactions)+
len(response.Invitations)+
len(response.RequestsToJoinCommunity)+
len(response.Mailservers)+
len(response.MailserverTopics)+
len(response.MailserverRanges)+
len(response.Notifications)+
len(response.EmojiReactions)+
len(response.CommunityChanges) != 0 {
return ErrNotImplemented
}
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r.AddChats(response.Chats())
r.AddRemovedChats(response.RemovedChats())
r.overrideMessages(response.Messages)
r.overrideFilters(response.Filters)
r.overrideRemovedFilters(response.Filters)
r.AddCommunities(response.Communities())
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return nil
}
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// overrideMessages append new messages and override existing ones in response.Messages
func (r *MessengerResponse) overrideMessages(messages []*common.Message) {
for _, overrideMessage := range messages {
var found = false
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for idx, chat := range r.Messages {
if chat.ID == overrideMessage.ID {
r.Messages[idx] = overrideMessage
found = true
}
}
if !found {
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r.Messages = append(r.Messages, overrideMessage)
}
}
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}
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// overrideFilters append new filters and override existing ones in response.Filters
func (r *MessengerResponse) overrideFilters(filters []*transport.Filter) {
for _, overrideFilter := range filters {
var found = false
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for idx, filter := range r.Filters {
if filter.FilterID == overrideFilter.FilterID {
r.Filters[idx] = overrideFilter
found = true
}
}
if !found {
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r.Filters = append(r.Filters, overrideFilter)
}
}
}
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// overrideRemovedFilters append removed filters and override existing ones in response.Filters
func (r *MessengerResponse) overrideRemovedFilters(filters []*transport.Filter) {
for _, overrideFilter := range filters {
var found = false
for idx, filter := range r.RemovedFilters {
if filter.FilterID == overrideFilter.FilterID {
r.RemovedFilters[idx] = overrideFilter
found = true
}
}
if !found {
r.RemovedFilters = append(r.RemovedFilters, overrideFilter)
}
}
}
func (r *MessengerResponse) AddCommunities(communities []*communities.Community) {
for _, overrideCommunity := range communities {
r.AddCommunity(overrideCommunity)
}
}
func (r *MessengerResponse) AddCommunity(c *communities.Community) {
if r.communities == nil {
r.communities = make(map[string]*communities.Community)
}
r.communities[c.IDString()] = c
}
func (r *MessengerResponse) AddChat(c *Chat) {
if r.chats == nil {
r.chats = make(map[string]*Chat)
}
r.chats[c.ID] = c
}
func (r *MessengerResponse) AddChats(chats []*Chat) {
for _, c := range chats {
r.AddChat(c)
}
}
func (r *MessengerResponse) AddRemovedChats(chats []string) {
for _, c := range chats {
r.AddRemovedChat(c)
}
}
func (r *MessengerResponse) AddRemovedChat(chatID string) {
if r.removedChats == nil {
r.removedChats = make(map[string]bool)
}
r.removedChats[chatID] = true
}