102 lines
2.8 KiB
TypeScript
102 lines
2.8 KiB
TypeScript
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import { PrismaClient, Prisma } from '../generated/prisma';
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// Global variable to store the Prisma client instance
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const globalForPrisma = globalThis as unknown as {
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prisma: PrismaClient | undefined;
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};
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// Create Prisma client with logging
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export const prisma = globalForPrisma.prisma ?? new PrismaClient({
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log: process.env.NODE_ENV === 'development'
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? ['query', 'error', 'warn']
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: ['error'],
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});
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// Prevent multiple instances in development
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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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// Database initialization function
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export async function initializeDatabase() {
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try {
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console.log('[DB] Initializing database connection...');
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// Test connection
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await prisma.$connect();
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console.log('[DB] Database connection established');
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// Ensure core properties exist (name, description)
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await prisma.property.upsert({
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where: { name: 'name' },
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update: {},
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create: { name: 'name', globalUsageCount: 0 }
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});
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await prisma.property.upsert({
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where: { name: 'description' },
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update: {},
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create: { name: 'description', globalUsageCount: 0 }
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});
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console.log('[DB] Core properties initialized');
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return true;
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} catch (error) {
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console.error('[DB] Failed to initialize database:', error);
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return false;
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}
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}
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// Graceful shutdown
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export async function disconnectDatabase() {
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try {
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await prisma.$disconnect();
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console.log('[DB] Database connection closed');
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} catch (error) {
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console.error('[DB] Error closing database connection:', error);
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}
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}
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// Helper function for transactions
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export async function withTransaction<T>(
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callback: (tx: Prisma.TransactionClient) => Promise<T>
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): Promise<T> {
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return await prisma.$transaction(async (tx) => {
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console.log('[DB] Transaction started');
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try {
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const result = await callback(tx);
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console.log('[DB] Transaction completed successfully');
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return result;
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} catch (error) {
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console.log('[DB] Transaction failed:', error);
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throw error;
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}
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});
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}
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// Debug function
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export async function debugDump() {
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if (process.env.NODE_ENV !== 'development') return;
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console.log('[DATABASE DEBUG] URLs:');
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const urls = await prisma.url.findMany();
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urls.forEach(url => {
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console.log(`[DATABASE DEBUG] ID: ${url.id}, URL: ${url.url}`);
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});
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console.log('[DATABASE DEBUG] Items:');
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const items = await prisma.item.findMany({
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include: {
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itemProperties: {
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include: { property: true }
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}
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}
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});
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items.forEach(item => {
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const nameProperty = item.itemProperties.find(ip => ip.property.name === 'name');
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console.log(`[DATABASE DEBUG] ID: ${item.id}, Name: '${nameProperty?.value || 'Unknown'}'`);
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});
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}
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export default prisma;
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