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Channel.tsx
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import React, { PropsWithChildren, useCallback, useEffect, useMemo, useRef, useState } from 'react';
import { KeyboardAvoidingViewProps, StyleSheet, Text, View } from 'react-native';
import debounce from 'lodash/debounce';
import omit from 'lodash/omit';
import throttle from 'lodash/throttle';
import { lookup } from 'mime-types';
import {
Channel as ChannelClass,
ChannelState,
Channel as ChannelType,
EventHandler,
logChatPromiseExecution,
MessageResponse,
Reaction,
SendMessageAPIResponse,
StreamChat,
Event as StreamEvent,
Message as StreamMessage,
Thread,
} from 'stream-chat';
import { useCreateChannelContext } from './hooks/useCreateChannelContext';
import { useCreateInputMessageInputContext } from './hooks/useCreateInputMessageInputContext';
import { useCreateMessagesContext } from './hooks/useCreateMessagesContext';
import { useCreateOwnCapabilitiesContext } from './hooks/useCreateOwnCapabilitiesContext';
import { useCreatePaginatedMessageListContext } from './hooks/useCreatePaginatedMessageListContext';
import { useCreateThreadContext } from './hooks/useCreateThreadContext';
import { useCreateTypingContext } from './hooks/useCreateTypingContext';
import { useTargetedMessage } from './hooks/useTargetedMessage';
import { ChannelContextValue, ChannelProvider } from '../../contexts/channelContext/ChannelContext';
import type { UseChannelStateValue } from '../../contexts/channelsStateContext/useChannelState';
import { useChannelState } from '../../contexts/channelsStateContext/useChannelState';
import { ChatContextValue, useChatContext } from '../../contexts/chatContext/ChatContext';
import {
InputMessageInputContextValue,
MessageInputProvider,
} from '../../contexts/messageInputContext/MessageInputContext';
import {
MessagesContextValue,
MessagesProvider,
} from '../../contexts/messagesContext/MessagesContext';
import {
OwnCapabilitiesContextValue,
OwnCapabilitiesProvider,
} from '../../contexts/ownCapabilitiesContext/OwnCapabilitiesContext';
import {
PaginatedMessageListContextValue,
PaginatedMessageListProvider,
} from '../../contexts/paginatedMessageListContext/PaginatedMessageListContext';
import {
SuggestionsContextValue,
SuggestionsProvider,
} from '../../contexts/suggestionsContext/SuggestionsContext';
import { useTheme } from '../../contexts/themeContext/ThemeContext';
import {
ThreadContextValue,
ThreadProvider,
ThreadType,
} from '../../contexts/threadContext/ThreadContext';
import {
TranslationContextValue,
useTranslationContext,
} from '../../contexts/translationContext/TranslationContext';
import { TypingProvider } from '../../contexts/typingContext/TypingContext';
import { useAppStateListener } from '../../hooks/useAppStateListener';
import {
LOLReaction,
LoveReaction,
ThumbsDownReaction,
ThumbsUpReaction,
WutReaction,
} from '../../icons';
import { FlatList as FlatListDefault, isImagePickerAvailable, pickDocument } from '../../native';
import * as dbApi from '../../store/apis';
import { DefaultStreamChatGenerics, FileTypes } from '../../types/types';
import { addReactionToLocalState } from '../../utils/addReactionToLocalState';
import { compressedImageURI } from '../../utils/compressImage';
import { DBSyncManager } from '../../utils/DBSyncManager';
import { patchMessageTextCommand } from '../../utils/patchMessageTextCommand';
import { removeReactionFromLocalState } from '../../utils/removeReactionFromLocalState';
import { removeReservedFields } from '../../utils/removeReservedFields';
import {
defaultEmojiSearchIndex,
generateRandomId,
getFileNameFromPath,
isBouncedMessage,
isLocalUrl,
MessageStatusTypes,
ReactionData,
} from '../../utils/utils';
import { Attachment as AttachmentDefault } from '../Attachment/Attachment';
import { AttachmentActions as AttachmentActionsDefault } from '../Attachment/AttachmentActions';
import { AudioAttachment as AudioAttachmentDefault } from '../Attachment/AudioAttachment';
import { Card as CardDefault } from '../Attachment/Card';
import { FileAttachment as FileAttachmentDefault } from '../Attachment/FileAttachment';
import { FileAttachmentGroup as FileAttachmentGroupDefault } from '../Attachment/FileAttachmentGroup';
import { FileIcon as FileIconDefault } from '../Attachment/FileIcon';
import { Gallery as GalleryDefault } from '../Attachment/Gallery';
import { Giphy as GiphyDefault } from '../Attachment/Giphy';
import { ImageLoadingFailedIndicator as ImageLoadingFailedIndicatorDefault } from '../Attachment/ImageLoadingFailedIndicator';
import { ImageLoadingIndicator as ImageLoadingIndicatorDefault } from '../Attachment/ImageLoadingIndicator';
import { VideoThumbnail as VideoThumbnailDefault } from '../Attachment/VideoThumbnail';
import { AutoCompleteSuggestionHeader as AutoCompleteSuggestionHeaderDefault } from '../AutoCompleteInput/AutoCompleteSuggestionHeader';
import { AutoCompleteSuggestionItem as AutoCompleteSuggestionItemDefault } from '../AutoCompleteInput/AutoCompleteSuggestionItem';
import { AutoCompleteSuggestionList as AutoCompleteSuggestionListDefault } from '../AutoCompleteInput/AutoCompleteSuggestionList';
import { EmptyStateIndicator as EmptyStateIndicatorDefault } from '../Indicators/EmptyStateIndicator';
import {
LoadingErrorIndicator as LoadingErrorIndicatorDefault,
LoadingErrorProps,
} from '../Indicators/LoadingErrorIndicator';
import { LoadingIndicator as LoadingIndicatorDefault } from '../Indicators/LoadingIndicator';
import { KeyboardCompatibleView as KeyboardCompatibleViewDefault } from '../KeyboardCompatibleView/KeyboardCompatibleView';
import { Message as MessageDefault } from '../Message/Message';
import { MessageAvatar as MessageAvatarDefault } from '../Message/MessageSimple/MessageAvatar';
import { MessageBounce as MessageBounceDefault } from '../Message/MessageSimple/MessageBounce';
import { MessageContent as MessageContentDefault } from '../Message/MessageSimple/MessageContent';
import { MessageDeleted as MessageDeletedDefault } from '../Message/MessageSimple/MessageDeleted';
import { MessageEditedTimestamp as MessageEditedTimestampDefault } from '../Message/MessageSimple/MessageEditedTimestamp';
import { MessageError as MessageErrorDefault } from '../Message/MessageSimple/MessageError';
import { MessageFooter as MessageFooterDefault } from '../Message/MessageSimple/MessageFooter';
import { MessagePinnedHeader as MessagePinnedHeaderDefault } from '../Message/MessageSimple/MessagePinnedHeader';
import { MessageReplies as MessageRepliesDefault } from '../Message/MessageSimple/MessageReplies';
import { MessageRepliesAvatars as MessageRepliesAvatarsDefault } from '../Message/MessageSimple/MessageRepliesAvatars';
import { MessageSimple as MessageSimpleDefault } from '../Message/MessageSimple/MessageSimple';
import { MessageStatus as MessageStatusDefault } from '../Message/MessageSimple/MessageStatus';
import { MessageTimestamp as MessageTimestampDefault } from '../Message/MessageSimple/MessageTimestamp';
import { ReactionList as ReactionListDefault } from '../Message/MessageSimple/ReactionList';
import { AttachButton as AttachButtonDefault } from '../MessageInput/AttachButton';
import { CommandsButton as CommandsButtonDefault } from '../MessageInput/CommandsButton';
import { AudioRecorder as AudioRecorderDefault } from '../MessageInput/components/AudioRecorder/AudioRecorder';
import { AudioRecordingButton as AudioRecordingButtonDefault } from '../MessageInput/components/AudioRecorder/AudioRecordingButton';
import { AudioRecordingInProgress as AudioRecordingInProgressDefault } from '../MessageInput/components/AudioRecorder/AudioRecordingInProgress';
import { AudioRecordingLockIndicator as AudioRecordingLockIndicatorDefault } from '../MessageInput/components/AudioRecorder/AudioRecordingLockIndicator';
import { AudioRecordingPreview as AudioRecordingPreviewDefault } from '../MessageInput/components/AudioRecorder/AudioRecordingPreview';
import { AudioRecordingWaveform as AudioRecordingWaveformDefault } from '../MessageInput/components/AudioRecorder/AudioRecordingWaveform';
import { InputEditingStateHeader as InputEditingStateHeaderDefault } from '../MessageInput/components/InputEditingStateHeader';
import { InputGiphySearch as InputGiphyCommandInputDefault } from '../MessageInput/components/InputGiphySearch';
import { InputReplyStateHeader as InputReplyStateHeaderDefault } from '../MessageInput/components/InputReplyStateHeader';
import { CooldownTimer as CooldownTimerDefault } from '../MessageInput/CooldownTimer';
import { FileUploadPreview as FileUploadPreviewDefault } from '../MessageInput/FileUploadPreview';
import { ImageUploadPreview as ImageUploadPreviewDefault } from '../MessageInput/ImageUploadPreview';
import { InputButtons as InputButtonsDefault } from '../MessageInput/InputButtons';
import { MoreOptionsButton as MoreOptionsButtonDefault } from '../MessageInput/MoreOptionsButton';
import { SendButton as SendButtonDefault } from '../MessageInput/SendButton';
import { SendMessageDisallowedIndicator as SendMessageDisallowedIndicatorDefault } from '../MessageInput/SendMessageDisallowedIndicator';
import { ShowThreadMessageInChannelButton as ShowThreadMessageInChannelButtonDefault } from '../MessageInput/ShowThreadMessageInChannelButton';
import { UploadProgressIndicator as UploadProgressIndicatorDefault } from '../MessageInput/UploadProgressIndicator';
import { DateHeader as DateHeaderDefault } from '../MessageList/DateHeader';
import type { MessageType } from '../MessageList/hooks/useMessageList';
import { InlineDateSeparator as InlineDateSeparatorDefault } from '../MessageList/InlineDateSeparator';
import { InlineUnreadIndicator as InlineUnreadIndicatorDefault } from '../MessageList/InlineUnreadIndicator';
import { MessageList as MessageListDefault } from '../MessageList/MessageList';
import { MessageSystem as MessageSystemDefault } from '../MessageList/MessageSystem';
import { NetworkDownIndicator as NetworkDownIndicatorDefault } from '../MessageList/NetworkDownIndicator';
import { ScrollToBottomButton as ScrollToBottomButtonDefault } from '../MessageList/ScrollToBottomButton';
import { StickyHeader as StickyHeaderDefault } from '../MessageList/StickyHeader';
import { TypingIndicator as TypingIndicatorDefault } from '../MessageList/TypingIndicator';
import { TypingIndicatorContainer as TypingIndicatorContainerDefault } from '../MessageList/TypingIndicatorContainer';
import { OverlayReactionList as OverlayReactionListDefault } from '../MessageOverlay/OverlayReactionList';
import { Reply as ReplyDefault } from '../Reply/Reply';
const styles = StyleSheet.create({
selectChannel: { fontWeight: 'bold', padding: 16 },
});
export const reactionData: ReactionData[] = [
{
Icon: LoveReaction,
type: 'love',
},
{
Icon: ThumbsUpReaction,
type: 'like',
},
{
Icon: ThumbsDownReaction,
type: 'sad',
},
{
Icon: LOLReaction,
type: 'haha',
},
{
Icon: WutReaction,
type: 'wow',
},
];
/**
* If count of unread messages is less than 4, then no need to scroll to first unread message,
* since first unread message will be in visible frame anyways.
*/
const scrollToFirstUnreadThreshold = 4;
const defaultThrottleInterval = 500;
const defaultDebounceInterval = 500;
const throttleOptions = {
leading: true,
trailing: true,
};
const debounceOptions = {
leading: true,
trailing: true,
};
export type ChannelPropsWithContext<
StreamChatGenerics extends DefaultStreamChatGenerics = DefaultStreamChatGenerics,
> = Pick<ChannelContextValue<StreamChatGenerics>, 'channel'> &
Partial<
Pick<
ChannelContextValue<StreamChatGenerics>,
| 'EmptyStateIndicator'
| 'enableMessageGroupingByUser'
| 'enforceUniqueReaction'
| 'giphyEnabled'
| 'hideStickyDateHeader'
| 'hideDateSeparators'
| 'LoadingIndicator'
| 'maxTimeBetweenGroupedMessages'
| 'NetworkDownIndicator'
| 'StickyHeader'
>
> &
Pick<ChatContextValue<StreamChatGenerics>, 'client' | 'enableOfflineSupport'> &
Partial<
Omit<
InputMessageInputContextValue<StreamChatGenerics>,
'quotedMessage' | 'editing' | 'clearEditingState' | 'clearQuotedMessageState' | 'sendMessage'
>
> &
Partial<
Pick<
SuggestionsContextValue<StreamChatGenerics>,
'AutoCompleteSuggestionHeader' | 'AutoCompleteSuggestionItem' | 'AutoCompleteSuggestionList'
>
> &
Pick<TranslationContextValue, 't'> &
Partial<
Pick<
PaginatedMessageListContextValue<StreamChatGenerics>,
'messages' | 'loadingMore' | 'loadingMoreRecent'
>
> &
UseChannelStateValue<StreamChatGenerics> &
Partial<
Pick<
MessagesContextValue<StreamChatGenerics>,
| 'additionalTouchableProps'
| 'Attachment'
| 'AttachmentActions'
| 'AudioAttachment'
| 'Card'
| 'CardCover'
| 'CardFooter'
| 'CardHeader'
| 'DateHeader'
| 'deletedMessagesVisibilityType'
| 'disableTypingIndicator'
| 'dismissKeyboardOnMessageTouch'
| 'FileAttachment'
| 'FileAttachmentIcon'
| 'FileAttachmentGroup'
| 'FlatList'
| 'forceAlignMessages'
| 'Gallery'
| 'getMessagesGroupStyles'
| 'Giphy'
| 'giphyVersion'
| 'handleBan'
| 'handleBlock'
| 'handleCopy'
| 'handleDelete'
| 'handleEdit'
| 'handleFlag'
| 'handleMute'
| 'handlePinMessage'
| 'handleReaction'
| 'handleQuotedReply'
| 'handleRetry'
| 'handleThreadReply'
| 'InlineDateSeparator'
| 'InlineUnreadIndicator'
| 'isAttachmentEqual'
| 'legacyImageViewerSwipeBehaviour'
| 'ImageLoadingFailedIndicator'
| 'ImageLoadingIndicator'
| 'markdownRules'
| 'Message'
| 'messageActions'
| 'MessageAvatar'
| 'MessageBounce'
| 'MessageContent'
| 'messageContentOrder'
| 'MessageDeleted'
| 'MessageEditedTimestamp'
| 'MessageError'
| 'MessageFooter'
| 'MessageHeader'
| 'MessageList'
| 'MessagePinnedHeader'
| 'MessageReplies'
| 'MessageRepliesAvatars'
| 'MessageSimple'
| 'MessageStatus'
| 'MessageSystem'
| 'MessageText'
| 'MessageTimestamp'
| 'myMessageTheme'
| 'onLongPressMessage'
| 'onPressInMessage'
| 'onPressMessage'
| 'OverlayReactionList'
| 'ReactionList'
| 'Reply'
| 'shouldShowUnreadUnderlay'
| 'ScrollToBottomButton'
| 'selectReaction'
| 'supportedReactions'
| 'TypingIndicator'
| 'TypingIndicatorContainer'
| 'UrlPreview'
| 'VideoThumbnail'
| 'PollContent'
| 'hasCreatePoll'
>
> &
Partial<Pick<ThreadContextValue<StreamChatGenerics>, 'allowThreadMessagesInChannel'>> & {
shouldSyncChannel: boolean;
thread: ThreadType<StreamChatGenerics>;
/**
* Additional props passed to keyboard avoiding view
*/
additionalKeyboardAvoidingViewProps?: Partial<KeyboardAvoidingViewProps>;
/**
* Disables the channel UI if the channel is frozen
*/
disableIfFrozenChannel?: boolean;
/**
* When true, disables the KeyboardCompatibleView wrapper
*
* Channel internally uses the [KeyboardCompatibleView](https://github.com/GetStream/stream-chat-react-native/blob/main/package/src/components/KeyboardCompatibleView/KeyboardCompatibleView.tsx)
* component to adjust the height of Channel when the keyboard is opened or dismissed. This prop provides the ability to disable this functionality in case you
* want to use [KeyboardAvoidingView](https://facebook.github.io/react-native/docs/keyboardavoidingview) or handle dismissal yourself.
* KeyboardAvoidingView works well when your component occupies 100% of screen height, otherwise it may raise some issues.
*/
disableKeyboardCompatibleView?: boolean;
/**
* Overrides the Stream default mark channel read request (Advanced usage only)
* @param channel Channel object
*/
doMarkReadRequest?: (channel: ChannelType<StreamChatGenerics>) => void;
/**
* Overrides the Stream default send message request (Advanced usage only)
* @param channelId
* @param messageData Message object
*/
doSendMessageRequest?: (
channelId: string,
messageData: StreamMessage<StreamChatGenerics>,
) => Promise<SendMessageAPIResponse<StreamChatGenerics>>;
/**
* Overrides the Stream default update message request (Advanced usage only)
* @param channelId
* @param updatedMessage UpdatedMessage object
*/
doUpdateMessageRequest?: (
channelId: string,
updatedMessage: Parameters<StreamChat<StreamChatGenerics>['updateMessage']>[0],
) => ReturnType<StreamChat<StreamChatGenerics>['updateMessage']>;
/**
* When true, messageList will be scrolled at first unread message, when opened.
*/
initialScrollToFirstUnreadMessage?: boolean;
keyboardBehavior?: KeyboardAvoidingViewProps['behavior'];
/**
* Custom wrapper component that handles height adjustment of Channel component when keyboard is opened or dismissed
* Default component (accepts the same props): [KeyboardCompatibleView](https://github.com/GetStream/stream-chat-react-native/blob/main/package/src/components/KeyboardCompatibleView/KeyboardCompatibleView.tsx)
*
* **Example:**
*
* ```
* <Channel
* channel={channel}
* KeyboardCompatibleView={(props) => {
* return (
* <KeyboardCompatibleView>
* {props.children}
* </KeyboardCompatibleView>
* )
* }}
* />
* ```
*/
KeyboardCompatibleView?: React.ComponentType<KeyboardAvoidingViewProps>;
keyboardVerticalOffset?: number;
/**
* Custom loading error indicator to override the Stream default
*/
LoadingErrorIndicator?: React.ComponentType<LoadingErrorProps>;
maxMessageLength?: number;
/**
* Load the channel at a specified message instead of the most recent message.
*/
messageId?: string;
newMessageStateUpdateThrottleInterval?: number;
overrideOwnCapabilities?: Partial<OwnCapabilitiesContextValue>;
stateUpdateThrottleInterval?: number;
/**
* Tells if channel is rendering a thread list
*/
threadList?: boolean;
} & Partial<Pick<InputMessageInputContextValue, 'openPollCreationDialog' | 'CreatePollContent'>>;
const ChannelWithContext = <
StreamChatGenerics extends DefaultStreamChatGenerics = DefaultStreamChatGenerics,
>(
props: PropsWithChildren<ChannelPropsWithContext<StreamChatGenerics>>,
) => {
const {
additionalKeyboardAvoidingViewProps,
additionalTextInputProps,
additionalTouchableProps,
allowThreadMessagesInChannel = true,
asyncMessagesLockDistance = 50,
asyncMessagesMinimumPressDuration = 500,
asyncMessagesMultiSendEnabled = true,
asyncMessagesSlideToCancelDistance = 100,
AttachButton = AttachButtonDefault,
Attachment = AttachmentDefault,
AttachmentActions = AttachmentActionsDefault,
AudioAttachment = AudioAttachmentDefault,
AudioAttachmentUploadPreview = AudioAttachmentDefault,
AudioRecorder = AudioRecorderDefault,
audioRecordingEnabled = false,
AudioRecordingInProgress = AudioRecordingInProgressDefault,
AudioRecordingLockIndicator = AudioRecordingLockIndicatorDefault,
AudioRecordingPreview = AudioRecordingPreviewDefault,
AudioRecordingWaveform = AudioRecordingWaveformDefault,
AutoCompleteSuggestionHeader = AutoCompleteSuggestionHeaderDefault,
AutoCompleteSuggestionItem = AutoCompleteSuggestionItemDefault,
AutoCompleteSuggestionList = AutoCompleteSuggestionListDefault,
autoCompleteSuggestionsLimit,
autoCompleteTriggerSettings,
Card = CardDefault,
CardCover,
CardFooter,
CardHeader,
channel,
children,
client,
CommandsButton = CommandsButtonDefault,
compressImageQuality,
CooldownTimer = CooldownTimerDefault,
CreatePollContent,
DateHeader = DateHeaderDefault,
deletedMessagesVisibilityType = 'always',
disableIfFrozenChannel = true,
disableKeyboardCompatibleView = false,
disableTypingIndicator,
dismissKeyboardOnMessageTouch = true,
doDocUploadRequest,
doImageUploadRequest,
doMarkReadRequest,
doSendMessageRequest,
doUpdateMessageRequest,
emojiSearchIndex = defaultEmojiSearchIndex,
EmptyStateIndicator = EmptyStateIndicatorDefault,
enableMessageGroupingByUser = true,
enableOfflineSupport,
enforceUniqueReaction = false,
FileAttachment = FileAttachmentDefault,
FileAttachmentGroup = FileAttachmentGroupDefault,
FileAttachmentIcon = FileIconDefault,
FileUploadPreview = FileUploadPreviewDefault,
FlatList = FlatListDefault,
forceAlignMessages,
Gallery = GalleryDefault,
getMessagesGroupStyles,
Giphy = GiphyDefault,
giphyEnabled,
giphyVersion = 'fixed_height',
handleAttachButtonPress,
handleBan,
handleBlock,
handleCopy,
handleDelete,
handleEdit,
handleFlag,
handleMute,
handlePinMessage,
handleQuotedReply,
handleReaction,
handleRetry,
handleThreadReply,
// If pickDocument isn't available, default to hiding the file picker
hasCameraPicker = isImagePickerAvailable(),
hasCommands = true,
hasCreatePoll,
hasFilePicker = pickDocument !== null,
hasImagePicker = true,
hideDateSeparators = false,
hideStickyDateHeader = false,
ImageLoadingFailedIndicator = ImageLoadingFailedIndicatorDefault,
ImageLoadingIndicator = ImageLoadingIndicatorDefault,
ImageUploadPreview = ImageUploadPreviewDefault,
initialScrollToFirstUnreadMessage = false,
initialValue,
InlineDateSeparator = InlineDateSeparatorDefault,
InlineUnreadIndicator = InlineUnreadIndicatorDefault,
Input,
InputButtons = InputButtonsDefault,
InputEditingStateHeader = InputEditingStateHeaderDefault,
InputGiphySearch = InputGiphyCommandInputDefault,
InputReplyStateHeader = InputReplyStateHeaderDefault,
isAttachmentEqual,
keyboardBehavior,
KeyboardCompatibleView = KeyboardCompatibleViewDefault,
keyboardVerticalOffset,
legacyImageViewerSwipeBehaviour = false,
LoadingErrorIndicator = LoadingErrorIndicatorDefault,
LoadingIndicator = LoadingIndicatorDefault,
loadingMore: loadingMoreProp,
loadingMoreRecent: loadingMoreRecentProp,
markdownRules,
maxMessageLength: maxMessageLengthProp,
maxNumberOfFiles = 10,
maxTimeBetweenGroupedMessages,
members,
mentionAllAppUsersEnabled = false,
mentionAllAppUsersQuery,
Message = MessageDefault,
messageActions,
MessageAvatar = MessageAvatarDefault,
MessageBounce = MessageBounceDefault,
MessageContent = MessageContentDefault,
messageContentOrder = ['quoted_reply', 'gallery', 'files', 'poll', 'text', 'attachments'],
MessageDeleted = MessageDeletedDefault,
MessageEditedTimestamp = MessageEditedTimestampDefault,
MessageError = MessageErrorDefault,
MessageFooter = MessageFooterDefault,
MessageHeader,
messageId,
MessageList = MessageListDefault,
MessagePinnedHeader = MessagePinnedHeaderDefault,
MessageReplies = MessageRepliesDefault,
MessageRepliesAvatars = MessageRepliesAvatarsDefault,
messages,
MessageSimple = MessageSimpleDefault,
MessageStatus = MessageStatusDefault,
MessageSystem = MessageSystemDefault,
MessageText,
MessageTimestamp = MessageTimestampDefault,
MoreOptionsButton = MoreOptionsButtonDefault,
myMessageTheme,
NetworkDownIndicator = NetworkDownIndicatorDefault,
newMessageStateUpdateThrottleInterval = defaultThrottleInterval,
numberOfLines = 5,
onChangeText,
onLongPressMessage,
onPressInMessage,
onPressMessage,
openPollCreationDialog,
OverlayReactionList = OverlayReactionListDefault,
overrideOwnCapabilities,
PollContent,
ReactionList = ReactionListDefault,
read,
Reply = ReplyDefault,
ScrollToBottomButton = ScrollToBottomButtonDefault,
selectReaction,
SendButton = SendButtonDefault,
sendImageAsync = false,
SendMessageDisallowedIndicator = SendMessageDisallowedIndicatorDefault,
setInputRef,
setMembers,
setMessages,
setRead,
setThreadMessages,
setTyping,
setWatcherCount,
setWatchers,
shouldShowUnreadUnderlay = true,
shouldSyncChannel,
ShowThreadMessageInChannelButton = ShowThreadMessageInChannelButtonDefault,
StartAudioRecordingButton = AudioRecordingButtonDefault,
stateUpdateThrottleInterval = defaultThrottleInterval,
StickyHeader = StickyHeaderDefault,
supportedReactions = reactionData,
t,
thread: threadFromProps,
threadList,
threadMessages,
typing,
TypingIndicator = TypingIndicatorDefault,
TypingIndicatorContainer = TypingIndicatorContainerDefault,
UploadProgressIndicator = UploadProgressIndicatorDefault,
UrlPreview = CardDefault,
VideoThumbnail = VideoThumbnailDefault,
watcherCount,
watchers,
} = props;
const { thread: threadProps, threadInstance } = threadFromProps;
const {
theme: {
channel: { selectChannel },
colors: { black },
},
} = useTheme();
const [deleted, setDeleted] = useState(false);
const [editing, setEditing] = useState<MessageType<StreamChatGenerics> | undefined>(undefined);
const [error, setError] = useState<Error | boolean>(false);
const [hasMore, setHasMore] = useState(true);
const [lastRead, setLastRead] = useState<ChannelContextValue<StreamChatGenerics>['lastRead']>();
const [loading, setLoading] = useState(false);
const [loadingMore, setLoadingMore] = useState(false);
const [loadingMoreRecent, setLoadingMoreRecent] = useState(false);
const [quotedMessage, setQuotedMessage] = useState<boolean | MessageType<StreamChatGenerics>>(
false,
);
const [thread, setThread] = useState<MessageType<StreamChatGenerics> | null>(threadProps || null);
const [threadHasMore, setThreadHasMore] = useState(true);
const [threadLoadingMore, setThreadLoadingMore] = useState(false);
const syncingChannelRef = useRef(false);
/**
* Flag to track if we know for sure that there are no more recent messages to load.
* This is necessary to avoid unnecessary api calls to load recent messages on pagination.
*/
const [hasNoMoreRecentMessagesToLoad, setHasNoMoreRecentMessagesToLoad] = useState(true);
const { prevTargetedMessage, setTargetedMessage, targetedMessage } = useTargetedMessage();
/**
* If we loaded a channel around message
* We may have moved latest message to a new message set in that case mark this ref to avoid fetching
*/
const hasOverlappingRecentMessagesRef = useRef(false);
/**
* This ref will hold the abort controllers for
* requests made for uploading images/files in the messageInputContext
* Its a map of filename to AbortController
*/
const uploadAbortControllerRef = useRef<Map<string, AbortController>>(new Map());
const channelId = channel?.id || '';
const pollCreationEnabled = !channel.disconnected && !!channel?.id && channel?.getConfig()?.polls;
useEffect(() => {
const initChannel = async () => {
if (!channel || !shouldSyncChannel || channel.offlineMode) return;
/**
* Loading channel at first unread message requires channel to be initialized in the first place,
* since we use read state on channel to decide what offset to load channel at.
* Also there is no use case from UX perspective, why one would need loading uninitialized channel at particular message.
* If the channel is not initiated, then we need to do channel.watch, which is more expensive for backend than channel.query.
*/
if (!channel.initialized) {
await loadChannel();
}
if (messageId) {
loadChannelAroundMessage({ messageId });
}
// The condition, where if the count of unread messages is greater than 4, then scroll to the first unread message.
else if (
initialScrollToFirstUnreadMessage &&
channel.countUnread() > scrollToFirstUnreadThreshold
) {
loadChannelAtFirstUnreadMessage();
}
// If the messageId is undefined and the last message and the current message id do not match we load the channel at the very bottom.
else if (
channel.state.messages?.[channel.state.messages.length - 1]?.id !==
channel.state.latestMessages?.[channel.state.latestMessages.length - 1]?.id &&
!messageId
) {
await loadChannel();
}
};
initChannel();
return () => {
copyChannelState.cancel();
copyReadState.cancel();
copyTypingState.cancel();
loadMoreFinished.cancel();
loadMoreThreadFinished.cancel();
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [channelId, messageId]);
const threadPropsExists = !!threadProps;
useEffect(() => {
if (threadProps && shouldSyncChannel) {
setThread(threadProps);
if (channel && threadProps?.id) {
setThreadMessages(channel.state.threads?.[threadProps.id] || []);
}
} else {
setThread(null);
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [threadPropsExists, shouldSyncChannel]);
const handleAppBackground = useCallback(() => {
const channelData = channel.data as
| Extract<typeof channel.data, { own_capabilities: string[] }>
| undefined;
if (channelData?.own_capabilities?.includes('send-typing-events')) {
channel.sendEvent({
parent_id: thread?.id,
type: 'typing.stop',
} as StreamEvent<StreamChatGenerics>);
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [thread?.id, channelId]);
useAppStateListener(undefined, handleAppBackground);
/**
* CHANNEL CONSTANTS
*/
const isAdmin = client?.user?.role === 'admin' || channel?.state.membership.role === 'admin';
const isModerator =
channel?.state.membership.role === 'channel_moderator' ||
channel?.state.membership.role === 'moderator';
const isOwner = channel?.state.membership.role === 'owner';
/**
* CHANNEL METHODS
*/
const markRead: ChannelContextValue<StreamChatGenerics>['markRead'] = useRef(
throttle(
() => {
if (!channel || channel?.disconnected || !clientChannelConfig?.read_events) {
return;
}
if (doMarkReadRequest) {
doMarkReadRequest(channel);
} else {
logChatPromiseExecution(channel.markRead(), 'mark read');
}
},
defaultThrottleInterval,
throttleOptions,
),
).current;
const copyMessagesState = useRef(
throttle(
() => {
if (channel) {
clearInterval(mergeSetsIntervalRef.current);
setMessages(channel.state.messages);
restartSetsMergeFuncRef.current();
}
},
newMessageStateUpdateThrottleInterval,
throttleOptions,
),
).current;
const copyTypingState = useRef(
throttle(
() => {
if (channel) {
setTyping({ ...channel.state.typing });
}
},
stateUpdateThrottleInterval,
throttleOptions,
),
).current;
const copyReadState = useRef(
throttle(
() => {
if (channel) {
setRead({ ...channel.state.read });
}
},
stateUpdateThrottleInterval,
throttleOptions,
),
).current;
const copyChannelState = useRef(
throttle(
() => {
setLoading(false);
if (channel) {
setMembers({ ...channel.state.members });
setMessages([...channel.state.messages]);
setRead({ ...channel.state.read });
setTyping({ ...channel.state.typing });
setWatcherCount(channel.state.watcher_count);
setWatchers({ ...channel.state.watchers });
}
},
stateUpdateThrottleInterval,
throttleOptions,
),
).current;
// subscribe to specific channel events
useEffect(() => {
const channelSubscriptions: Array<ReturnType<ChannelType['on']>> = [];
if (channel && shouldSyncChannel) {
channelSubscriptions.push(channel.on('message.new', copyMessagesState));
channelSubscriptions.push(channel.on('message.read', copyReadState));
channelSubscriptions.push(channel.on('typing.start', copyTypingState));
channelSubscriptions.push(channel.on('typing.stop', copyTypingState));
}
return () => {
channelSubscriptions.forEach((s) => s.unsubscribe());
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [channelId, shouldSyncChannel]);
// subscribe to the generic all channel event
useEffect(() => {
const handleEvent: EventHandler<StreamChatGenerics> = (event) => {
const ignorableEvents = ['user.watching.start', 'user.watching.stop'];
if (ignorableEvents.includes(event.type)) return;
if (shouldSyncChannel) {
const isTypingEvent = event.type === 'typing.start' || event.type === 'typing.stop';
if (!isTypingEvent) {
if (thread?.id) {
const updatedThreadMessages =
(thread.id && channel && channel.state.threads[thread.id]) || threadMessages;
setThreadMessages(updatedThreadMessages);
}
if (channel && thread?.id && event.message?.id === thread.id && !threadInstance) {
const updatedThread = channel.state.formatMessage(event.message);
setThread(updatedThread);
}
}
// only update channel state if the events are not the previously subscribed useEffect's subscription events
if (
channel &&
channel.initialized &&
event.type !== 'message.new' &&
event.type !== 'message.read' &&
event.type !== 'typing.start' &&
event.type !== 'typing.stop'
) {
copyChannelState();
}
}
};
const { unsubscribe } = channel.on(handleEvent);
return unsubscribe;
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [channelId, thread?.id, shouldSyncChannel]);
// subscribe to channel.deleted event
useEffect(() => {
const { unsubscribe } = client.on('channel.deleted', (event) => {
if (event.cid === channel?.cid) {
setDeleted(true);
}
});
return unsubscribe;
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [channelId]);
useEffect(() => {
const handleEvent: EventHandler<StreamChatGenerics> = (event) => {
if (channel.cid === event.cid) copyChannelState();
};
const { unsubscribe } = client.on('notification.mark_read', handleEvent);
return unsubscribe;
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
const channelQueryCallRef = useRef(
async (
queryCall: () => Promise<void>,
onAfterQueryCall: (() => void) | undefined = undefined,
// if we are scrolling to a message after the query, pass it here
scrollToMessageId: string | (() => string | undefined) | undefined = undefined,
) => {
setError(false);
try {
clearInterval(mergeSetsIntervalRef.current);
await queryCall();
setLastRead(new Date());
setHasMore(true);
const currentMessages = channel.state.messages;
const hadCurrentLatestMessages =
currentMessages.length > 0 && currentMessages === channel.state.latestMessages;
if (typeof scrollToMessageId === 'function') {
scrollToMessageId = scrollToMessageId();
}
const scrollToMessageIndex = scrollToMessageId
? currentMessages.findIndex(({ id }) => id === scrollToMessageId)
: -1;
if (channel && scrollToMessageIndex !== -1) {
copyChannelState.cancel();
// We assume that on average user sees 5 messages on screen
// We dont want new renders to happen while scrolling to the targeted message
// hence we limit the number of messages to be rendered after the targeted message to 5 - 1 = 4
// NOTE: we have one drawback here, if there were already a split latest and current message set
// the previous latest message set will be thrown away as we cannot merge it with the current message set after the target message is set
const limitAfter = 4;
const currentLength = currentMessages.length;
const noOfMessagesAfter = currentLength - scrollToMessageIndex - 1;
// number of messages are over the limit, limit the length of messages
if (noOfMessagesAfter > limitAfter) {
const endIndex = scrollToMessageIndex + limitAfter;
channel.state.clearMessages();
channel.state.messages = currentMessages.slice(0, endIndex + 1);
splitLatestCurrentMessageSetRef.current();
const restOfMessages = currentMessages.slice(endIndex + 1);
if (hadCurrentLatestMessages) {
const latestSet = channel.state.messageSets.find((set) => set.isLatest);
if (latestSet) {
latestSet.messages = restOfMessages;
hasOverlappingRecentMessagesRef.current = true;
}
}
}
}
const hasLatestMessages = channel.state.latestMessages.length > 0;
channel.state.setIsUpToDate(hasLatestMessages);
setHasNoMoreRecentMessagesToLoad(hasLatestMessages);
copyChannelState();
if (scrollToMessageIndex !== -1) {
// since we need to scroll after immediately do this without throttle
copyChannelState.flush();
}
onAfterQueryCall?.();
} catch (err) {
if (err instanceof Error) {
setError(err);
} else {
setError(true);
}
setLoading(false);
setLastRead(new Date());
}
},
);
/**
* Loads channel at first unread message.
*/
const loadChannelAtFirstUnreadMessage = () => {
if (!channel) return;
let unreadMessageIdToScrollTo: string | undefined;
// query for messages around the last read date
return channelQueryCallRef.current(
async () => {
const unreadCount = channel.countUnread();
if (unreadCount === 0) return;
const isLatestMessageSetShown = !!channel.state.messageSets.find(
(set) => set.isCurrent && set.isLatest,
);
if (isLatestMessageSetShown && unreadCount <= channel.state.messages.length) {
unreadMessageIdToScrollTo =
channel.state.messages[channel.state.messages.length - unreadCount].id;
return;
}
const lastReadDate = channel.lastRead();
// if last read date is present we can just fetch messages around that date
// last read date not being present is an edge case if somewhere the user of SDK deletes the read state (this will usually never happen)
if (lastReadDate) {
setLoading(true);
// get totally 30 messages... max 15 before last read date and max 15 after last read date
// ref: https://github.com/GetStream/chat/pull/2588
const res = await channel.query(
{
messages: {