forked from iarv/Remote-Terminal-for-MeshCore
Jack Kingsman
91 lines
2.5 KiB
TypeScript
91 lines
2.5 KiB
TypeScript
/**
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* Conversation state utilities.
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*
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* Last message times are tracked in-memory and persisted server-side.
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* This file provides helper functions for generating state keys
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* and managing conversation times.
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*
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* Read state (last_read_at) is tracked server-side for consistency
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* across devices - see useUnreadCounts hook.
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*/
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const LAST_MESSAGE_KEY = 'remoteterm-lastMessageTime';
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const SORT_ORDER_KEY = 'remoteterm-sortOrder';
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export type ConversationTimes = Record<string, number>;
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type SortOrder = 'recent' | 'alpha';
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// In-memory cache of last message times (loaded from server on init)
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let lastMessageTimesCache: ConversationTimes = {};
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/**
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* Initialize the last message times cache from server data
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*/
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export function initLastMessageTimes(times: ConversationTimes): void {
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lastMessageTimesCache = { ...times };
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}
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/**
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* Get all last message times from the cache
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*/
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export function getLastMessageTimes(): ConversationTimes {
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return { ...lastMessageTimesCache };
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}
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/**
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* Update a single message time in the cache and return the updated cache.
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* Note: This does NOT persist to server - caller should sync if needed.
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*/
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export function setLastMessageTime(key: string, timestamp: number): ConversationTimes {
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lastMessageTimesCache[key] = timestamp;
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return { ...lastMessageTimesCache };
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}
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/**
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* Generate a state tracking key for message times.
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*
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* This is NOT the same as Message.conversation_key (the database field).
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* This creates prefixed keys for state tracking:
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* - Channels: "channel-{channelKey}"
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* - Contacts: "contact-{publicKey}"
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*/
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export function getStateKey(type: 'channel' | 'contact', id: string): string {
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return `${type}-${id}`;
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}
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/**
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* Load last message times from localStorage (for migration only)
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*/
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export function loadLocalStorageLastMessageTimes(): ConversationTimes {
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try {
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const stored = localStorage.getItem(LAST_MESSAGE_KEY);
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return stored ? JSON.parse(stored) : {};
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} catch {
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return {};
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}
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}
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/**
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* Load sort order from localStorage (for migration only)
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*/
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export function loadLocalStorageSortOrder(): SortOrder {
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try {
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const stored = localStorage.getItem(SORT_ORDER_KEY);
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return stored === 'alpha' ? 'alpha' : 'recent';
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} catch {
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return 'recent';
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}
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}
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/**
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* Clear conversation state from localStorage (after migration)
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*/
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export function clearLocalStorageConversationState(): void {
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try {
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localStorage.removeItem(LAST_MESSAGE_KEY);
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localStorage.removeItem(SORT_ORDER_KEY);
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} catch {
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// localStorage might be disabled
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}
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}
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