Files
cinny/src/app/hooks/useEmojiUsage.ts

105 lines
3.0 KiB
TypeScript

import { useCallback, useMemo } from 'react';
import { useMatrixClient } from './useMatrixClient';
import { useAccountData } from './useAccountData';
const PAARROT_EMOJI_USAGE_EVENT = 'paarrot.favemojis';
const MAX_TRACKED_EMOJIS = 50;
export type EmojiUsageData = {
[shortcode: string]: {
count: number;
lastUsed: number;
};
};
/**
* Hook for tracking emoji usage and storing favorites in Matrix account data
* Stores emoji usage stats under paarrot.favemojis in user's account data
*/
export function useEmojiUsage() {
const mx = useMatrixClient();
const event = useAccountData(PAARROT_EMOJI_USAGE_EVENT);
const emojiUsage = useMemo((): EmojiUsageData => {
const content = event?.getContent<EmojiUsageData>();
return content || {};
}, [event]);
/**
* Track emoji usage (max 1 per message as per spec)
* @param shortcode - Emoji shortcode (e.g., 'thumbsup', 'smile')
*/
const trackEmojiUsage = useCallback(
async (shortcode: string) => {
const now = Date.now();
const currentUsage = { ...emojiUsage };
// Update or create emoji entry
currentUsage[shortcode] = {
count: (currentUsage[shortcode]?.count || 0) + 1,
lastUsed: now,
};
// Keep only top MAX_TRACKED_EMOJIS by usage count
const entries = Object.entries(currentUsage);
if (entries.length > MAX_TRACKED_EMOJIS) {
entries.sort((a, b) => b[1].count - a[1].count);
const topEmojis = entries.slice(0, MAX_TRACKED_EMOJIS);
const newUsage: EmojiUsageData = {};
topEmojis.forEach(([key, value]) => {
newUsage[key] = value;
});
await mx.setAccountData(PAARROT_EMOJI_USAGE_EVENT, newUsage);
} else {
await mx.setAccountData(PAARROT_EMOJI_USAGE_EVENT, currentUsage);
}
},
[mx, emojiUsage]
);
/**
* Get most used emoji shortcode
* @returns Shortcode of most used emoji, or undefined if none tracked
*/
const getMostUsedEmoji = useCallback((): string | undefined => {
const entries = Object.entries(emojiUsage);
if (entries.length === 0) return undefined;
// Sort by count descending, then by lastUsed descending
entries.sort((a, b) => {
if (b[1].count !== a[1].count) {
return b[1].count - a[1].count;
}
return b[1].lastUsed - a[1].lastUsed;
});
return entries[0][0];
}, [emojiUsage]);
/**
* Get top N most used emojis
* @param count - Number of top emojis to return
* @returns Array of shortcodes sorted by usage
*/
const getTopEmojis = useCallback(
(count: number = 10): string[] => {
const entries = Object.entries(emojiUsage);
entries.sort((a, b) => {
if (b[1].count !== a[1].count) {
return b[1].count - a[1].count;
}
return b[1].lastUsed - a[1].lastUsed;
});
return entries.slice(0, count).map(([shortcode]) => shortcode);
},
[emojiUsage]
);
return {
emojiUsage,
trackEmojiUsage,
getMostUsedEmoji,
getTopEmojis,
};
}