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import type { DrizzleD1Database } from "drizzle-orm/d1";
import * as schema from "../../db/schema";
import type { WaConversation, NewWaConversation } from "../../db/schema";
import { sanitizeSearchInput } from "../../lib/utils";
export type WaConversationFilters = {
contactType?: string;
search?: string;
hasUnread?: boolean;
};
export class WaConversationsDal {
constructor(private db: DrizzleD1Database<typeof schema>) {}
async findByPhoneNumber(
phone: string,
): Promise<WaConversation | undefined> {
const result = await this.db
.select()
.from(schema.waConversations)
.where(eq(schema.waConversations.phoneNumber, phone))
.limit(1);
return result[0];
}
async findById(id: number): Promise<WaConversation | undefined> {
const result = await this.db
.select()
.from(schema.waConversations)
.where(eq(schema.waConversations.id, id))
.limit(1);
return result[0];
}
async findAll(
filters: WaConversationFilters = {},
offset = 0,
limit = 50,
): Promise<WaConversation[]> {
const conditions = this.buildConditions(filters);
const query = this.db
.select()
.from(schema.waConversations)
.orderBy(desc(schema.waConversations.lastMessageAt))
.limit(limit)
.offset(offset);
if (conditions.length > 0) {
return query.where(and(...conditions));
}
return query;
}
async count(filters: WaConversationFilters = {}): Promise<number> {
const conditions = this.buildConditions(filters);
const query = this.db
.select({ count: sql<number>`count(*)` })
.from(schema.waConversations);
if (conditions.length > 0) {
const result = await query.where(and(...conditions));
return result[0]?.count ?? 0;
}
const result = await query;
return result[0]?.count ?? 0;
}
async create(data: NewWaConversation): Promise<WaConversation> {
const result = await this.db
.insert(schema.waConversations)
.values(data)
.returning();
return result[0];
}
async update(
id: number,
data: Partial<WaConversation>,
): Promise<WaConversation | undefined> {
const result = await this.db
.update(schema.waConversations)
.set({ ...data, dateUpdated: new Date() })
.where(eq(schema.waConversations.id, id))
.returning();
return result[0];
}
async incrementUnread(id: number): Promise<void> {
await this.db
.update(schema.waConversations)
.set({
unreadCount: sql`${schema.waConversations.unreadCount} + 1`,
dateUpdated: new Date(),
})
.where(eq(schema.waConversations.id, id));
}
async resetUnread(id: number): Promise<void> {
await this.db
.update(schema.waConversations)
.set({ unreadCount: 0, dateUpdated: new Date() })
.where(eq(schema.waConversations.id, id));
}
async getStats(): Promise<{
total: number;
unread: number;
activeToday: number;
}> {
const todayStart = new Date();
todayStart.setHours(0, 0, 0, 0);
const [totalResult, unreadResult, activeTodayResult] = await Promise.all(
[
this.db
.select({ count: sql<number>`count(*)` })
.from(schema.waConversations),
this.db
.select({ count: sql<number>`count(*)` })
.from(schema.waConversations)
.where(gt(schema.waConversations.unreadCount, 0)),
this.db
.select({ count: sql<number>`count(*)` })
.from(schema.waConversations)
.where(
gt(schema.waConversations.lastMessageAt, todayStart),
),
],
);
return {
total: totalResult[0]?.count ?? 0,
unread: unreadResult[0]?.count ?? 0,
activeToday: activeTodayResult[0]?.count ?? 0,
};
}
private buildConditions(filters: WaConversationFilters) {
const conditions = [];
if (filters.contactType) {
conditions.push(
eq(schema.waConversations.contactType, filters.contactType as WaConversation["contactType"]),
);
}
if (filters.search) {
const sanitized = sanitizeSearchInput(filters.search);
const searchTerm = `%${sanitized}%`;
conditions.push(
sql`(${schema.waConversations.phoneNumber} LIKE ${searchTerm} OR ${schema.waConversations.contactName} LIKE ${searchTerm})`,
);
}
if (filters.hasUnread) {
conditions.push(gt(schema.waConversations.unreadCount, 0));
}
return conditions;
}
}
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