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vf_react/src/views/AgentChat/utils/sessionUtils.js
2025-11-30 23:39:48 +08:00

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// src/views/AgentChat/utils/sessionUtils.js
// 会话管理工具函数
/**
* 格式化日期为显示标签
* @param {Date} date - 日期对象
* @param {Date} today - 今天的日期
* @returns {string} 格式化后的日期标签
*/
const formatDateLabel = (date, today) => {
const daysDiff = Math.floor((today - date) / (1000 * 60 * 60 * 24));
if (daysDiff === 0) {
return '今天';
} else if (daysDiff === 1) {
return '昨天';
} else if (daysDiff < 7) {
const weekDays = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
return weekDays[date.getDay()];
} else {
// 超过一周,显示具体日期
return `${date.getMonth() + 1}${date.getDate()}`;
}
};
/**
* 获取日期的纯日期字符串(用于分组 key
* @param {Date} date - 日期对象
* @returns {string} YYYY-MM-DD 格式的日期字符串
*/
const getDateKey = (date) => {
return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}`;
};
/**
* 按日期分组会话列表(新版本 - 按具体日期分组)
*
* @param {Array} sessions - 会话列表
* @returns {Array} 分组后的会话数组 [{ dateKey, label, sessions, date }]
*
* @example
* const groups = groupSessionsByDate(sessions);
* // 返回: [
* // { dateKey: '2025-11-30', label: '今天', sessions: [...], date: Date },
* // { dateKey: '2025-11-29', label: '昨天', sessions: [...], date: Date },
* // ...
* // ]
*/
export const groupSessionsByDate = (sessions) => {
if (!sessions || sessions.length === 0) {
return [];
}
const today = new Date();
today.setHours(0, 0, 0, 0);
// 按日期分组到 Map
const groupMap = new Map();
sessions.forEach((session) => {
const sessionDate = new Date(session.created_at || session.timestamp);
if (isNaN(sessionDate.getTime())) {
// 无效日期,归到今天
const todayKey = getDateKey(today);
if (!groupMap.has(todayKey)) {
groupMap.set(todayKey, {
dateKey: todayKey,
label: '今天',
sessions: [],
date: today,
});
}
groupMap.get(todayKey).sessions.push(session);
return;
}
const dateOnly = new Date(sessionDate);
dateOnly.setHours(0, 0, 0, 0);
const dateKey = getDateKey(dateOnly);
if (!groupMap.has(dateKey)) {
groupMap.set(dateKey, {
dateKey,
label: formatDateLabel(dateOnly, today),
sessions: [],
date: dateOnly,
});
}
groupMap.get(dateKey).sessions.push(session);
});
// 转换为数组并按日期降序排序
const groups = Array.from(groupMap.values()).sort((a, b) => b.date - a.date);
// 每个分组内部按时间降序排序
groups.forEach((group) => {
group.sessions.sort((a, b) => {
const dateA = new Date(a.created_at || a.timestamp);
const dateB = new Date(b.created_at || b.timestamp);
return dateB - dateA;
});
});
return groups;
};
/**
* 旧版分组函数(保留兼容性)
* @deprecated 请使用 groupSessionsByDate 替代
*/
export const groupSessionsByDateLegacy = (sessions) => {
const today = new Date();
const yesterday = new Date(today);
yesterday.setDate(yesterday.getDate() - 1);
const weekAgo = new Date(today);
weekAgo.setDate(weekAgo.getDate() - 7);
const groups = {
today: [],
yesterday: [],
thisWeek: [],
older: [],
};
sessions.forEach((session) => {
const sessionDate = new Date(session.created_at || session.timestamp);
const daysDiff = Math.floor((today - sessionDate) / (1000 * 60 * 60 * 24));
if (daysDiff === 0) {
groups.today.push(session);
} else if (daysDiff === 1) {
groups.yesterday.push(session);
} else if (daysDiff <= 7) {
groups.thisWeek.push(session);
} else {
groups.older.push(session);
}
});
return groups;
};