Swiftgram/TelegramCore/SearchMessages.swift
Peter Iakovlev 5eeaed40c2 no message
2018-03-20 16:08:15 +04:00

280 lines
13 KiB
Swift

import Foundation
#if os(macOS)
import PostboxMac
import SwiftSignalKitMac
import MtProtoKitMac
#else
import Postbox
import SwiftSignalKit
import MtProtoKitDynamic
#endif
public enum SearchMessagesLocation: Equatable {
case general
case group(PeerGroupId)
case peer(peerId: PeerId, fromId: PeerId?, tags: MessageTags?)
public static func ==(lhs: SearchMessagesLocation, rhs: SearchMessagesLocation) -> Bool {
switch lhs {
case .general:
if case .general = rhs {
return true
} else {
return false
}
case let .group(groupId):
if case .group(groupId) = rhs {
return true
} else {
return false
}
case let .peer(lhsPeerId, lhsFromId, lhsTags):
if case let .peer(rhsPeerId, rhsFromId, rhsTags) = rhs, lhsPeerId == rhsPeerId, lhsFromId == rhsFromId, lhsTags == rhsTags {
return true
} else {
return false
}
}
}
}
public func searchMessages(account: Account, location: SearchMessagesLocation, query: String) -> Signal<[Message], NoError> {
let remoteSearchResult: Signal<Api.messages.Messages?, NoError>
switch location {
case let .peer(peerId, fromId, tags):
if peerId.namespace == Namespaces.Peer.SecretChat {
return account.postbox.modify { modifier -> [Message] in
return modifier.searchMessages(peerId: peerId, query: query, tags: tags)
}
}
let filter: Api.MessagesFilter
if let tags = tags {
if tags.contains(.file) {
filter = .inputMessagesFilterDocument
} else if tags.contains(.music) {
filter = .inputMessagesFilterMusic
} else if tags.contains(.webPage) {
filter = .inputMessagesFilterUrl
} else {
filter = .inputMessagesFilterEmpty
}
} else {
filter = .inputMessagesFilterEmpty
}
remoteSearchResult = account.postbox.modify { modifier -> (peer:Peer?, from: Peer?) in
if let fromId = fromId {
return (peer: modifier.getPeer(peerId), from: modifier.getPeer(fromId))
}
return (peer: modifier.getPeer(peerId), from: nil)
} |> mapToSignal { values -> Signal<Api.messages.Messages?, NoError> in
if let peer = values.peer, let inputPeer = apiInputPeer(peer) {
var fromInputUser:Api.InputUser? = nil
var flags:Int32 = 0
if let from = values.from {
fromInputUser = apiInputUser(from)
if let _ = fromInputUser {
flags |= (1 << 0)
}
}
return account.network.request(Api.functions.messages.search(flags: flags, peer: inputPeer, q: query, fromId: fromInputUser, filter: filter, minDate: 0, maxDate: Int32.max - 1, offsetId: 0, addOffset: 0, limit: 100, maxId: Int32.max - 1, minId: 0, hash: 0))
|> map {Optional($0)}
|> `catch` { _ -> Signal<Api.messages.Messages?, MTRpcError> in
return .single(nil)
} |> mapError {_ in}
} else {
return .never()
}
}
case let .group(groupId):
/*feed*/
remoteSearchResult = .single(nil)
/*remoteSearchResult = account.network.request(Api.functions.channels.searchFeed(feedId: groupId.rawValue, q: query, offsetDate: 0, offsetPeer: Api.InputPeer.inputPeerEmpty, offsetId: 0, limit: 64), automaticFloodWait: false)
|> mapError { _ in } |> map(Optional.init)*/
case .general:
remoteSearchResult = account.network.request(Api.functions.messages.searchGlobal(q: query, offsetDate: 0, offsetPeer: Api.InputPeer.inputPeerEmpty, offsetId: 0, limit: 64), automaticFloodWait: false)
|> mapError { _ in } |> map(Optional.init)
}
let processedSearchResult = remoteSearchResult
|> mapToSignal { result -> Signal<[Message], NoError> in
guard let result = result else {
return .single([])
}
let messages: [Api.Message]
let chats: [Api.Chat]
let users: [Api.User]
switch result {
case let .channelMessages(_, _, _, apiMessages, apiChats, apiUsers):
messages = apiMessages
chats = apiChats
users = apiUsers
case let .messages(apiMessages, apiChats, apiUsers):
messages = apiMessages
chats = apiChats
users = apiUsers
case let.messagesSlice(_, apiMessages, apiChats, apiUsers):
messages = apiMessages
chats = apiChats
users = apiUsers
case .messagesNotModified:
messages = []
chats = []
users = []
}
return account.postbox.modify { modifier -> [Message] in
var peers: [PeerId: Peer] = [:]
for user in users {
if let user = TelegramUser.merge(modifier.getPeer(user.peerId) as? TelegramUser, rhs: user) {
peers[user.id] = user
}
}
for chat in chats {
if let groupOrChannel = parseTelegramGroupOrChannel(chat: chat) {
peers[groupOrChannel.id] = groupOrChannel
}
}
var renderedMessages: [Message] = []
for message in messages {
if let message = StoreMessage(apiMessage: message), let renderedMessage = locallyRenderedMessage(message: message, peers: peers) {
renderedMessages.append(renderedMessage)
}
}
if case .general = location {
let secretMessages = modifier.searchMessages(peerId: nil, query: query, tags: nil)
renderedMessages.append(contentsOf: secretMessages)
}
renderedMessages.sort(by: { lhs, rhs in
return MessageIndex(lhs) > MessageIndex(rhs)
})
return renderedMessages
}
}
return processedSearchResult
}
public func downloadMessage(account: Account, messageId: MessageId) -> Signal<Message?, NoError> {
return account.postbox.modify { modifier -> Message? in
return modifier.getMessage(messageId)
} |> mapToSignal { message in
if let _ = message {
return .single(message)
} else {
return account.postbox.loadedPeerWithId(messageId.peerId) |> mapToSignal { peer -> Signal<Message?, NoError> in
let signal: Signal<Api.messages.Messages, MTRpcError>
if messageId.peerId.namespace == Namespaces.Peer.CloudChannel {
if let channel = apiInputChannel(peer) {
signal = account.network.request(Api.functions.channels.getMessages(channel: channel, id: [Api.InputMessage.inputMessageID(id: messageId.id)]))
} else {
signal = .complete()
}
} else {
signal = account.network.request(Api.functions.messages.getMessages(id: [Api.InputMessage.inputMessageID(id: messageId.id)]))
}
return signal |> mapError {_ in} |> mapToSignal { result -> Signal<Message?, Void> in
let messages: [Api.Message]
let chats: [Api.Chat]
let users: [Api.User]
switch result {
case let .channelMessages(_, _, _, apiMessages, apiChats, apiUsers):
messages = apiMessages
chats = apiChats
users = apiUsers
case let .messages(apiMessages, apiChats, apiUsers):
messages = apiMessages
chats = apiChats
users = apiUsers
case let.messagesSlice(_, apiMessages, apiChats, apiUsers):
messages = apiMessages
chats = apiChats
users = apiUsers
case .messagesNotModified:
messages = []
chats = []
users = []
}
let postboxSignal = account.postbox.modify { modifier -> Message? in
var peers: [PeerId: Peer] = [:]
for user in users {
if let user = TelegramUser.merge(modifier.getPeer(user.peerId) as? TelegramUser, rhs: user) {
peers[user.id] = user
}
}
for chat in chats {
if let groupOrChannel = mergeGroupOrChannel(lhs: modifier.getPeer(chat.peerId), rhs: chat) {
peers[groupOrChannel.id] = groupOrChannel
}
}
var renderedMessages: [Message] = []
for message in messages {
if let message = StoreMessage(apiMessage: message), let renderedMessage = locallyRenderedMessage(message: message, peers: peers) {
renderedMessages.append(renderedMessage)
}
}
return renderedMessages.first
}
return postboxSignal
}
}
|> `catch` { _ -> Signal<Message?, NoError> in
return .single(nil)
}
}
}
}
public func searchMessageIdByTimestamp(account: Account, peerId: PeerId, timestamp: Int32) -> Signal<MessageId?, NoError> {
return account.postbox.modify { modifier -> Signal<MessageId?, NoError> in
if peerId.namespace == Namespaces.Peer.SecretChat {
return .single(modifier.findClosestMessageIdByTimestamp(peerId: peerId, timestamp: timestamp))
} else if let peer = modifier.getPeer(peerId), let inputPeer = apiInputPeer(peer) {
return account.network.request(Api.functions.messages.getHistory(peer: inputPeer, offsetId: 0, offsetDate: timestamp, addOffset: -1, limit: 1, maxId: 0, minId: 0, hash: 0))
|> map { result -> MessageId? in
let messages: [Api.Message]
switch result {
case let .messages(apiMessages, _, _):
messages = apiMessages
case let .channelMessages(_, _, _, apiMessages, _, _):
messages = apiMessages
case let.messagesSlice(_, apiMessages, _, _):
messages = apiMessages
case .messagesNotModified:
messages = []
}
for message in messages {
if let message = StoreMessage(apiMessage: message), case let .Id(id) = message.id {
return id
}
}
return nil
}
|> `catch` { _ -> Signal<MessageId?, NoError> in
return .single(nil)
}
} else {
return .single(nil)
}
} |> switchToLatest
}