Files
promote/backend/dist/utils/clickhouse.js
2025-03-07 18:04:27 +08:00

88 lines
3.2 KiB
JavaScript

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.initClickHouse = void 0;
const client_1 = require("@clickhouse/client");
const config_1 = __importDefault(require("../config"));
// Create ClickHouse client with error handling
const createClickHouseClient = () => {
try {
return (0, client_1.createClient)({
host: `http://${config_1.default.clickhouse.host}:${config_1.default.clickhouse.port}`,
username: config_1.default.clickhouse.user,
password: config_1.default.clickhouse.password,
database: config_1.default.clickhouse.database,
});
}
catch (error) {
console.error('Error creating ClickHouse client:', error);
// Return a mock client for development that logs operations instead of executing them
return {
query: async ({ query, values }) => {
console.log('ClickHouse query (mock):', query, values);
return { rows: [] };
},
close: async () => {
console.log('ClickHouse connection closed (mock)');
}
};
}
};
const clickhouse = createClickHouseClient();
// Initialize ClickHouse database and tables
const initClickHouse = async () => {
try {
// Create database if not exists
await clickhouse.query({
query: `CREATE DATABASE IF NOT EXISTS ${config_1.default.clickhouse.database}`,
});
// Create tables for tracking events
await clickhouse.query({
query: `
CREATE TABLE IF NOT EXISTS ${config_1.default.clickhouse.database}.view_events (
user_id String,
content_id String,
timestamp DateTime DEFAULT now(),
ip String,
user_agent String
) ENGINE = MergeTree()
PARTITION BY toYYYYMM(timestamp)
ORDER BY (user_id, content_id, timestamp)
`,
});
await clickhouse.query({
query: `
CREATE TABLE IF NOT EXISTS ${config_1.default.clickhouse.database}.like_events (
user_id String,
content_id String,
timestamp DateTime DEFAULT now(),
action Enum('like' = 1, 'unlike' = 2)
) ENGINE = MergeTree()
PARTITION BY toYYYYMM(timestamp)
ORDER BY (user_id, content_id, timestamp)
`,
});
await clickhouse.query({
query: `
CREATE TABLE IF NOT EXISTS ${config_1.default.clickhouse.database}.follower_events (
follower_id String,
followed_id String,
timestamp DateTime DEFAULT now(),
action Enum('follow' = 1, 'unfollow' = 2)
) ENGINE = MergeTree()
PARTITION BY toYYYYMM(timestamp)
ORDER BY (follower_id, followed_id, timestamp)
`,
});
console.log('ClickHouse database and tables initialized');
}
catch (error) {
console.error('Error initializing ClickHouse:', error);
console.log('Continuing with limited functionality...');
}
};
exports.initClickHouse = initClickHouse;
exports.default = clickhouse;