All files / dal lead-reminders.dal.ts

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// Data Access Layer for Lead Reminders
import { eq, and, sql, asc, lt, gte } from "drizzle-orm";
import type { DrizzleD1Database } from "drizzle-orm/d1";
import * as schema from "../db/schema";
import type { LeadReminder, NewLeadReminder } from "../db/schema";
 
export class LeadRemindersDal {
	constructor(private db: DrizzleD1Database<typeof schema>) {}
 
	async findByLeadId(leadId: number): Promise<LeadReminder[]> {
		return this.db
			.select()
			.from(schema.leadReminders)
			.where(eq(schema.leadReminders.leadId, leadId))
			.orderBy(asc(schema.leadReminders.dueAt));
	}
 
	async findById(id: number): Promise<LeadReminder | undefined> {
		const result = await this.db
			.select()
			.from(schema.leadReminders)
			.where(eq(schema.leadReminders.id, id))
			.limit(1);
		return result[0];
	}
 
	async create(data: NewLeadReminder): Promise<LeadReminder> {
		const result = await this.db
			.insert(schema.leadReminders)
			.values(data)
			.returning();
		return result[0];
	}
 
	async update(
		id: number,
		data: Partial<Omit<LeadReminder, "id" | "dateCreated">>,
	): Promise<LeadReminder | undefined> {
		const result = await this.db
			.update(schema.leadReminders)
			.set(data)
			.where(eq(schema.leadReminders.id, id))
			.returning();
		return result[0];
	}
 
	async countActiveByLeadId(leadId: number): Promise<number> {
		const result = await this.db
			.select({ count: sql<number>`count(*)` })
			.from(schema.leadReminders)
			.where(
				and(
					eq(schema.leadReminders.leadId, leadId),
					sql`${schema.leadReminders.status} IN ('upcoming', 'overdue')`,
				),
			);
		return result[0]?.count ?? 0;
	}
 
	async countOverdueByProId(proId: string): Promise<number> {
		const result = await this.db
			.select({ count: sql<number>`count(*)` })
			.from(schema.leadReminders)
			.innerJoin(schema.leads, eq(schema.leadReminders.leadId, schema.leads.id))
			.where(
				and(
					eq(schema.leads.proId, proId),
					eq(schema.leadReminders.status, "upcoming"),
					lt(schema.leadReminders.dueAt, new Date()),
				),
			);
		return result[0]?.count ?? 0;
	}
 
	async findDueReminders(): Promise<
		{
			reminder: LeadReminder;
			leadId: number;
			proId: string;
			customerName: string;
		}[]
	> {
		const rows = await this.db
			.select({
				reminder: schema.leadReminders,
				leadId: schema.leads.id,
				proId: schema.leads.proId,
				customerName: schema.leads.customerName,
			})
			.from(schema.leadReminders)
			.innerJoin(schema.leads, eq(schema.leadReminders.leadId, schema.leads.id))
			.where(
				and(
					eq(schema.leadReminders.status, "upcoming"),
					lt(schema.leadReminders.dueAt, new Date()),
				),
			)
			.orderBy(asc(schema.leadReminders.dueAt))
			.limit(100);
		return rows;
	}
 
	async countUpcomingByProId(proId: string): Promise<number> {
		const result = await this.db
			.select({ count: sql<number>`count(*)` })
			.from(schema.leadReminders)
			.innerJoin(schema.leads, eq(schema.leadReminders.leadId, schema.leads.id))
			.where(
				and(
					eq(schema.leads.proId, proId),
					eq(schema.leadReminders.status, "upcoming"),
					gte(schema.leadReminders.dueAt, new Date()),
				),
			);
		return result[0]?.count ?? 0;
	}
}