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import { PrismaService } from '@app/modules/prisma/prisma.service';
import Redis from 'ioredis';
import { withRetry } from '@app/common/utils/retry';
import { ResilienceMetricsService } from '@app/common/services/resilience-metrics.service';
@Injectable()
export class AnalyticsService {
private readonly logger = new Logger(AnalyticsService.name);
constructor(
private prisma: PrismaService,
@Inject('REDIS_CLIENT') private redis: Redis,
@Optional() private readonly metrics?: ResilienceMetricsService,
) {}
/**
* Track a listing view
*/
async trackView(listingId: number, source?: string, referrer?: string) {
try {
const refInfo = referrer ? `, referrer: ${referrer}` : '';
this.logger.debug(`Tracking view for listing ${listingId} from source: ${source ?? 'unknown'}${refInfo}`);
// Verify listing exists
const listing = await this.prisma.client.listing.findUnique({
where: { id: listingId },
select: { id: true, deletedAt: true },
});
if (!listing) {
throw new NotFoundException(`Listing #${listingId} not found`);
}
if (listing.deletedAt) {
// Treat soft-deleted listings as not found to match test expectations
throw new NotFoundException(`Listing #${listingId} not found`);
}
const date = new Date().toISOString().split('T')[0];
// Increment Redis counters (guard against redis errors during tests)
try {
const stop = (this.metrics?.startTimer('redis', 'analytics_track_view') as (() => void)) || (() => {});
await withRetry(async () => {
await Promise.all([
this.redis.incr(`analytics:listing:${listingId}:views:${date}`),
this.redis.incr(`analytics:listing:${listingId}:views`),
]);
await this.redis.expire(`analytics:listing:${listingId}:views:${date}`, 60 * 60 * 24 * 30);
}, {
tries: 3,
baseDelayMs: 100,
onAttempt: () => this.metrics?.recordRetry('redis', 'success'),
});
stop();
} catch (error) {
const reason = error instanceof Error ? error.message : String(error);
this.logger.warn(`Redis not available to track view for listing ${listingId}; continuing. Reason: ${reason}`);
}
this.logger.log(`Tracked view for listing ${listingId}`);
return { success: true };
} catch (error) {
if (error instanceof NotFoundException || error instanceof BadRequestException || error instanceof ForbiddenException) {
throw error;
}
this.logger.error(`Error tracking view for listing ${listingId}:`, error);
throw new Error('Failed to track view');
}
}
/**
* Track a click (phone reveal, website click, etc.)
*/
async trackClick(listingId: number, clickType: 'phone' | 'website' | 'email', userId?: number) {
try {
const userLabel = userId ? ` by user ${userId}` : '';
this.logger.debug(`Tracking ${clickType} click for listing ${listingId}${userLabel}`);
// Verify listing exists
const listing = await this.prisma.client.listing.findUnique({
where: { id: listingId },
select: { id: true, deletedAt: true },
});
Iif (!listing) {
throw new NotFoundException(`Listing #${listingId} not found`);
}
Iif (listing.deletedAt) {
// Treat soft-deleted listings as not found to match test expectations
throw new NotFoundException(`Listing #${listingId} not found`);
}
const date = new Date().toISOString().split('T')[0];
// Increment Redis counters
try {
const stop = (this.metrics?.startTimer('redis', 'analytics_track_click') as (() => void)) || (() => {});
await withRetry(async () => {
await Promise.all([
this.redis.incr(`listings:clicks:${clickType}:${listingId}:${date}`),
this.redis.incr(`listings:clicks:${clickType}:${listingId}:total`),
]);
await this.redis.expire(`listings:clicks:${clickType}:${listingId}:${date}`, 60 * 60 * 24 * 30);
}, {
tries: 3,
baseDelayMs: 100,
onAttempt: () => this.metrics?.recordRetry('redis', 'success'),
});
stop();
} catch (error) {
const reason = error instanceof Error ? error.message : String(error);
this.logger.warn(`Redis not available to track click for listing ${listingId}; continuing. Reason: ${reason}`);
}
this.logger.log(`Tracked ${clickType} click for listing ${listingId}`);
return { success: true };
} catch (error) {
Iif (error instanceof NotFoundException || error instanceof BadRequestException || error instanceof ForbiddenException) {
throw error;
}
this.logger.error(`Error tracking click for listing ${listingId}:`, error);
throw new Error('Failed to track click');
}
}
/**
* Get analytics for a specific listing (owner/agent only)
*/
async getListingAnalytics(listingId: number, userId: number) {
try {
this.logger.debug(`Getting analytics for listing ${listingId} requested by user ${userId}`);
// Verify listing exists and check ownership
const listing = await this.prisma.client.listing.findUnique({
where: { id: listingId },
select: { id: true, userId: true, deletedAt: true },
});
if (!listing) {
throw new NotFoundException(`Listing #${listingId} not found`);
}
// Check ownership (unless admin/moderator)
const user = await this.prisma.client.user.findUnique({
where: { id: userId },
select: { role: true },
});
if (listing.userId !== userId && user?.role !== 'ADMIN' && user?.role !== 'MODERATOR') {
throw new ForbiddenException('You do not have permission to view analytics for this listing');
}
// Get Redis counters
const [
totalViews,
phoneClicks,
websiteClicks,
emailClicks,
] = await (async () => {
try {
const stop = (this.metrics?.startTimer('redis', 'analytics_get_counters') as (() => void)) || (() => {});
const values = await withRetry(async () => {
return await Promise.all([
this.redis.get(`analytics:listing:${listingId}:views`),
this.redis.get(`analytics:listing:${listingId}:clicks:phone`),
this.redis.get(`analytics:listing:${listingId}:clicks:website`),
this.redis.get(`analytics:listing:${listingId}:clicks:email`),
]);
}, { tries: 2, baseDelayMs: 50, onAttempt: () => this.metrics?.recordRetry('redis', 'success') });
stop();
return values;
} catch (_) {
return ['0', '0', '0', '0'];
}
})();
// Get database counts
const [favoritesCount, sharesCount, inquiriesCount] = await Promise.all([
this.prisma.client.listingFavorite.count({ where: { listingId } }),
this.prisma.client.listingShare.count({ where: { listingId } }),
this.prisma.client.listingInquiry.count({ where: { listingId } }),
]);
const views = parseInt(totalViews || '0');
const clicks = parseInt(phoneClicks || '0') + parseInt(websiteClicks || '0') + parseInt(emailClicks || '0');
const conversionRate = views > 0 ? (inquiriesCount / views) * 100 : 0;
const analytics = {
listingId,
views,
clicks: {
total: clicks,
phone: parseInt(phoneClicks || '0'),
website: parseInt(websiteClicks || '0'),
email: parseInt(emailClicks || '0'),
},
favorites: favoritesCount,
shares: sharesCount,
inquiries: inquiriesCount,
conversionRate: Math.round(conversionRate * 100) / 100, // Round to 2 decimal places
};
this.logger.debug(`Fetched analytics for listing ${listingId}`);
return analytics;
} catch (error) {
if (error instanceof NotFoundException || error instanceof BadRequestException || error instanceof ForbiddenException) {
throw error;
}
this.logger.error(`Error getting analytics for listing ${listingId}:`, error);
throw new Error('Failed to get listing analytics');
}
}
/**
* Get popular searches (admin only)
*/
async getPopularSearches(period: 'day' | 'week' | 'month' = 'week') {
try {
this.logger.debug(`Getting popular searches for period: ${period}`);
// TODO: Implement search query tracking
// For now, return placeholder data
return {
period,
searches: [],
message: 'Search tracking not yet implemented',
};
} catch (error) {
this.logger.error(`Error getting popular searches:`, error);
throw new Error('Failed to get popular searches');
}
}
/**
* Cohort analysis: new users per week and their subsequent activity
*/
async getCohortAnalysis(start?: Date, end?: Date) {
const from = start || new Date(Date.now() - 90 * 24 * 60 * 60 * 1000);
const to = end || new Date();
// Aggregate in DB where possible; simplified query for users and their listings/leads
const users = await this.prisma.client.user.findMany({
where: { createdAt: { gte: from, lte: to } },
select: { id: true, createdAt: true },
});
const userIds = users.map((u: { id: number }) => u.id);
const [listingsByUser, leadsByUser] = await Promise.all([
this.prisma.client.listing.groupBy({ by: ['userId'], where: { userId: { in: userIds } }, _count: { _all: true } }) as any,
this.prisma.client.lead.groupBy({ by: ['agentId'], where: { agentId: { in: userIds } }, _count: { _all: true } }) as any,
]);
const listingsMap = new Map<number, number>((listingsByUser || []).map((r: any) => [r.userId, r._count._all]));
const leadsMap = new Map<number, number>((leadsByUser || []).map((r: any) => [r.agentId, r._count._all]));
return {
window: { start: from, end: to },
cohorts: users.map((u: { id: number; createdAt: Date }) => ({ userId: u.id, joined: u.createdAt, listings: listingsMap.get(u.id) || 0, leads: leadsMap.get(u.id) || 0 })),
};
}
/**
* Channel attribution by reading tracked click keys in Redis
*/
async getChannelAttribution(period: 'day' | 'week' | 'month' = 'week') {
// Placeholder aggregation via DB clicks (if tracked) and Redis keys; returning zeroes if unavailable
return {
period,
channels: [
{ channel: 'seo', contributions: 0 },
{ channel: 'paid', contributions: 0 },
{ channel: 'social', contributions: 0 },
{ channel: 'direct', contributions: 0 },
],
};
}
/**
* Geo heatmap: aggregate listings and inquiries by location
*/
async getGeoHeatmap(period: 'day' | 'week' | 'month' = 'week') {
const since = new Date();
const days = period === 'day' ? 1 : period === 'week' ? 7 : 30;
since.setDate(since.getDate() - days);
const listings = await this.prisma.client.address.findMany({
where: { listings: { some: { createdAt: { gte: since } } } } as any,
select: { id: true, latitude: true, longitude: true, listings: { select: { id: true } } },
});
return {
period,
points: listings
.filter((a: any) => typeof a.latitude === 'number' && typeof a.longitude === 'number')
.map((a: any) => ({ lat: a.latitude, lng: a.longitude, weight: a.listings.length })),
};
}
/**
* Get agent dashboard data
*/
async getAgentDashboard(userId: number) {
try {
this.logger.debug(`Getting dashboard data for agent ${userId}`);
// Verify user exists and is an agent
const user = await this.prisma.client.user.findUnique({
where: { id: userId },
select: { role: true },
});
Iif (!user) {
throw new NotFoundException(`User #${userId} not found`);
}
Iif (!['AGENT', 'AGENCY_OWNER', 'REALTOR_PRO', 'ADMIN'].includes(user.role)) {
throw new ForbiddenException('Only agents can access dashboard data');
}
// Get counts
const [
publishedListings,
draftListings,
archivedListings,
totalInquiries,
totalLeads,
] = await Promise.all([
this.prisma.client.listing.count({
where: { userId, status: 'PUBLISHED', deletedAt: null },
}),
this.prisma.client.listing.count({
where: { userId, status: 'DRAFT', deletedAt: null },
}),
this.prisma.client.listing.count({
where: { userId, status: 'ARCHIVED', deletedAt: null },
}),
this.prisma.client.listingInquiry.count({
where: { listing: { userId } },
}),
this.prisma.client.lead.count({
where: { agentId: userId },
}),
]);
// Get total views across all listings
const userListings = await this.prisma.client.listing.findMany({
where: { userId, deletedAt: null },
select: { id: true, deletedAt: true },
});
let totalViews = 0;
for (const listing of userListings) {
Iif (listing.deletedAt) continue;
let views: string = '0';
try {
const val = await this.redis.get(`analytics:listing:${listing.id}:views`);
views = val ?? '0';
} catch (_) {}
totalViews += parseInt(views);
}
const dashboard = {
listings: {
published: publishedListings,
draft: draftListings,
archived: archivedListings,
total: publishedListings + draftListings + archivedListings,
},
totalViews,
totalInquiries,
totalLeads,
conversionRate: totalViews > 0 ? Math.round((totalInquiries / totalViews) * 10000) / 100 : 0,
};
this.logger.debug(`Fetched dashboard data for agent ${userId}`);
return dashboard;
} catch (error) {
Iif (error instanceof NotFoundException || error instanceof BadRequestException || error instanceof ForbiddenException) {
throw error;
}
this.logger.error(`Error getting agent dashboard for user ${userId}:`, error);
throw new Error('Failed to get agent dashboard');
}
}
}
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