71 lines
1.9 KiB
TypeScript
71 lines
1.9 KiB
TypeScript
import { PrismaMariaDb } from "@prisma/adapter-mariadb";
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import { PrismaClient } from "~~/app/generated/prisma/client";
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const globalForPrisma = globalThis as unknown as {
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prisma?: PrismaClient;
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};
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const databaseUrl = process.env.DATABASE_URL;
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if (!databaseUrl) {
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throw new Error("DATABASE_URL is required to initialize PrismaClient");
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}
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type MariaDbPoolConfig = Exclude<
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ConstructorParameters<typeof PrismaMariaDb>[0],
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string
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>;
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function getNumberParam(url: URL, name: string, fallback: number) {
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const value = url.searchParams.get(name);
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if (!value) {
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return fallback;
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}
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const parsed = Number(value);
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return Number.isFinite(parsed) && parsed > 0 ? parsed : fallback;
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}
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function createMariaDbConfig(urlString: string): MariaDbPoolConfig {
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const url = new URL(urlString);
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const database = decodeURIComponent(url.pathname.replace(/^\//, ""));
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if (!url.hostname || !url.username || !database) {
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throw new Error("DATABASE_URL must include host, user and database");
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}
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const port = url.port ? Number(url.port) : 3306;
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if (!Number.isInteger(port) || port <= 0) {
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throw new Error("DATABASE_URL port is invalid");
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}
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return {
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host: url.hostname,
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port,
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user: decodeURIComponent(url.username),
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password: decodeURIComponent(url.password),
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database,
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connectionLimit: getNumberParam(url, "connection_limit", 5),
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acquireTimeout: getNumberParam(url, "pool_timeout", 30) * 1000,
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connectTimeout: getNumberParam(url, "connect_timeout", 10) * 1000
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};
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}
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const mariaDbConfig = createMariaDbConfig(databaseUrl);
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const adapter = new PrismaMariaDb(mariaDbConfig, {
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database: mariaDbConfig.database
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});
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/** Reuse PrismaClient during dev hot reloads so Nuxt does not create duplicate pools. */
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export const prisma =
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globalForPrisma.prisma ??
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new PrismaClient({
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adapter,
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log: ["warn", "error"]
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});
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if (process.env.NODE_ENV !== "production") {
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globalForPrisma.prisma = prisma;
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}
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