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251
electron/services/groupAnalyticsService.ts
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251
electron/services/groupAnalyticsService.ts
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import { ConfigService } from './config'
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import { wcdbService } from './wcdbService'
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export interface GroupChatInfo {
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username: string
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displayName: string
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memberCount: number
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avatarUrl?: string
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}
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export interface GroupMember {
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username: string
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displayName: string
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avatarUrl?: string
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}
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export interface GroupMessageRank {
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member: GroupMember
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messageCount: number
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}
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export interface GroupActiveHours {
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hourlyDistribution: Record<number, number>
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}
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export interface MediaTypeCount {
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type: number
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name: string
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count: number
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}
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export interface GroupMediaStats {
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typeCounts: MediaTypeCount[]
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total: number
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}
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class GroupAnalyticsService {
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private configService: ConfigService
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constructor() {
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this.configService = new ConfigService()
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}
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private cleanAccountDirName(name: string): string {
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const trimmed = name.trim()
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if (!trimmed) return trimmed
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if (trimmed.toLowerCase().startsWith('wxid_')) {
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const match = trimmed.match(/^(wxid_[^_]+)/i)
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if (match) return match[1]
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}
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return trimmed
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}
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private async ensureConnected(): Promise<{ success: boolean; error?: string }> {
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const wxid = this.configService.get('myWxid')
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const dbPath = this.configService.get('dbPath')
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const decryptKey = this.configService.get('decryptKey')
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if (!wxid) return { success: false, error: '未配置微信ID' }
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if (!dbPath) return { success: false, error: '未配置数据库路径' }
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if (!decryptKey) return { success: false, error: '未配置解密密钥' }
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const cleanedWxid = this.cleanAccountDirName(wxid)
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const ok = await wcdbService.open(dbPath, decryptKey, cleanedWxid)
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if (!ok) return { success: false, error: 'WCDB 打开失败' }
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return { success: true }
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}
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async getGroupChats(): Promise<{ success: boolean; data?: GroupChatInfo[]; error?: string }> {
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try {
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const conn = await this.ensureConnected()
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if (!conn.success) return { success: false, error: conn.error }
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const sessionResult = await wcdbService.getSessions()
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if (!sessionResult.success || !sessionResult.sessions) {
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return { success: false, error: sessionResult.error || '获取会话失败' }
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}
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const rows = sessionResult.sessions as Record<string, any>[]
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const groupIds = rows
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.map((row) => row.username || row.user_name || row.userName || '')
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.filter((username) => username.includes('@chatroom'))
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const [displayNames, avatarUrls, memberCounts] = await Promise.all([
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wcdbService.getDisplayNames(groupIds),
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wcdbService.getAvatarUrls(groupIds),
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wcdbService.getGroupMemberCounts(groupIds)
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])
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const groups: GroupChatInfo[] = []
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for (const groupId of groupIds) {
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groups.push({
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username: groupId,
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displayName: displayNames.success && displayNames.map
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? (displayNames.map[groupId] || groupId)
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: groupId,
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memberCount: memberCounts.success && memberCounts.map && typeof memberCounts.map[groupId] === 'number'
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? memberCounts.map[groupId]
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: 0,
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avatarUrl: avatarUrls.success && avatarUrls.map ? avatarUrls.map[groupId] : undefined
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})
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}
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groups.sort((a, b) => b.memberCount - a.memberCount)
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return { success: true, data: groups }
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} catch (e) {
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return { success: false, error: String(e) }
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}
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}
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async getGroupMembers(chatroomId: string): Promise<{ success: boolean; data?: GroupMember[]; error?: string }> {
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try {
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const conn = await this.ensureConnected()
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if (!conn.success) return { success: false, error: conn.error }
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const result = await wcdbService.getGroupMembers(chatroomId)
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if (!result.success || !result.members) {
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return { success: false, error: result.error || '获取群成员失败' }
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}
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const members = result.members as { username: string; avatarUrl?: string }[]
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const usernames = members.map((m) => m.username)
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const displayNames = await wcdbService.getDisplayNames(usernames)
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const data: GroupMember[] = members.map((m) => ({
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username: m.username,
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displayName: displayNames.success && displayNames.map ? (displayNames.map[m.username] || m.username) : m.username,
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avatarUrl: m.avatarUrl
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}))
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return { success: true, data }
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} catch (e) {
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return { success: false, error: String(e) }
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}
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}
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async getGroupMessageRanking(chatroomId: string, limit: number = 20, startTime?: number, endTime?: number): Promise<{ success: boolean; data?: GroupMessageRank[]; error?: string }> {
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try {
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const conn = await this.ensureConnected()
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if (!conn.success) return { success: false, error: conn.error }
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const result = await wcdbService.getGroupStats(chatroomId, startTime || 0, endTime || 0)
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if (!result.success || !result.data) return { success: false, error: result.error || '聚合失败' }
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const d = result.data
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const sessionData = d.sessions[chatroomId]
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if (!sessionData || !sessionData.senders) return { success: true, data: [] }
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const idMap = d.idMap || {}
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const senderEntries = Object.entries(sessionData.senders as Record<string, number>)
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const rankings: GroupMessageRank[] = senderEntries
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.map(([id, count]) => {
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const username = idMap[id] || id
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return {
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member: { username, displayName: username }, // Display name will be resolved below
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messageCount: count
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}
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})
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.sort((a, b) => b.messageCount - a.messageCount)
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.slice(0, limit)
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// 批量获取显示名称和头像
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const usernames = rankings.map(r => r.member.username)
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const [names, avatars] = await Promise.all([
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wcdbService.getDisplayNames(usernames),
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wcdbService.getAvatarUrls(usernames)
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])
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for (const rank of rankings) {
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if (names.success && names.map && names.map[rank.member.username]) {
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rank.member.displayName = names.map[rank.member.username]
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}
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if (avatars.success && avatars.map && avatars.map[rank.member.username]) {
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rank.member.avatarUrl = avatars.map[rank.member.username]
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}
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}
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return { success: true, data: rankings }
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} catch (e) {
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return { success: false, error: String(e) }
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}
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}
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async getGroupActiveHours(chatroomId: string, startTime?: number, endTime?: number): Promise<{ success: boolean; data?: GroupActiveHours; error?: string }> {
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try {
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const conn = await this.ensureConnected()
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if (!conn.success) return { success: false, error: conn.error }
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const result = await wcdbService.getGroupStats(chatroomId, startTime || 0, endTime || 0)
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if (!result.success || !result.data) return { success: false, error: result.error || '聚合失败' }
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const hourlyDistribution: Record<number, number> = {}
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for (let i = 0; i < 24; i++) {
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hourlyDistribution[i] = result.data.hourly[i] || 0
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}
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return { success: true, data: { hourlyDistribution } }
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} catch (e) {
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return { success: false, error: String(e) }
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}
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}
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async getGroupMediaStats(chatroomId: string, startTime?: number, endTime?: number): Promise<{ success: boolean; data?: GroupMediaStats; error?: string }> {
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try {
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const conn = await this.ensureConnected()
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if (!conn.success) return { success: false, error: conn.error }
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const result = await wcdbService.getGroupStats(chatroomId, startTime || 0, endTime || 0)
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if (!result.success || !result.data) return { success: false, error: result.error || '聚合失败' }
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const typeCountsRaw = result.data.typeCounts as Record<string, number>
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const mainTypes = [1, 3, 34, 43, 47, 49]
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const typeNames: Record<number, string> = {
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1: '文本', 3: '图片', 34: '语音', 43: '视频', 47: '表情包', 49: '链接/文件'
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}
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const countsMap = new Map<number, number>()
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let othersCount = 0
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for (const [typeStr, count] of Object.entries(typeCountsRaw)) {
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const type = parseInt(typeStr, 10)
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if (mainTypes.includes(type)) {
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countsMap.set(type, (countsMap.get(type) || 0) + count)
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} else {
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othersCount += count
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}
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}
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const mediaCounts: MediaTypeCount[] = mainTypes
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.map(type => ({
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type,
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name: typeNames[type],
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count: countsMap.get(type) || 0
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}))
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.filter(item => item.count > 0)
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if (othersCount > 0) {
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mediaCounts.push({ type: -1, name: '其他', count: othersCount })
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}
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mediaCounts.sort((a, b) => b.count - a.count)
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const total = mediaCounts.reduce((sum, item) => sum + item.count, 0)
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return { success: true, data: { typeCounts: mediaCounts, total } }
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} catch (e) {
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return { success: false, error: String(e) }
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}
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}
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}
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export const groupAnalyticsService = new GroupAnalyticsService()
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