549 lines
15 KiB
JavaScript
549 lines
15 KiB
JavaScript
import pkg from "pg";
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import { platformNames } from "../platforms/all/platformNames.js";
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import { hash } from "../utils/hash.js";
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import { roughSizeOfObject } from "../utils/roughSize.js";
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const { Pool } = pkg;
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// Definitions
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const schemas = ["latest", "history"];
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const year = Number(new Date().toISOString().slice(0, 4));
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const allowed_years = [year, year + 1].map((year) => `h${year}`); // tables can't begin with number
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const allowed_months = [...Array(12).keys()]
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.map((x) => x + 1)
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.map((x) => (String(x).length == 1 ? `0${x}` : x));
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const allowed_year_month_histories = [].concat(
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...allowed_years.map((year) =>
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allowed_months.map((month) => `${year}_${month}`)
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)
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); // h2022_01
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const tableNamesWhitelistLatest = ["combined", ...platformNames];
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const tableNamesWhiteListHistory = [
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...allowed_years,
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...allowed_year_month_histories,
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];
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const tableNamesWhitelist = [
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...tableNamesWhitelistLatest,
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...tableNamesWhiteListHistory,
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];
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const createFullName = (schemaName, namesArray) =>
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namesArray.map((name) => `${schemaName}.${name}`);
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const tableWhiteList = [
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...createFullName("latest", tableNamesWhitelistLatest),
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...createFullName("history", tableNamesWhiteListHistory),
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"latest.dashboards",
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];
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/* Postgres database connection code */
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const databaseURL = process.env.DIGITALOCEAN_POSTGRES;
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export const readWritePool = new Pool({
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connectionString: databaseURL,
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ssl: process.env.POSTGRES_NO_SSL
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? false
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: {
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rejectUnauthorized: false,
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},
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});
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const readOnlyDatabaseURL =
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"postgresql://public_read_only_user:gOcihnLhqRIQUQYt@postgres-red-do-user-10290909-0.b.db.ondigitalocean.com:25060/metaforecastpg?sslmode=require" ||
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process.env.DIGITALOCEAN_POSTGRES_PUBLIC;
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const readOnlyPool = new Pool({
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// never used
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connectionString: readOnlyDatabaseURL,
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ssl: process.env.POSTGRES_NO_SSL
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? false
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: {
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rejectUnauthorized: false,
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},
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});
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// Helpers
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export const runPgCommand = async ({ command, pool }) => {
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console.log(command);
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const client = await pool.connect();
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let result;
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try {
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let response = await client.query(command);
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console.log(response);
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result = { results: response ? response.rows : null };
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} catch (error) {
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console.log(error);
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} finally {
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client.release();
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}
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// console.log(results)
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return result;
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};
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// Initialize
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let dropTable = (schema, table) => `DROP TABLE IF EXISTS ${schema}.${table}`;
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let createIndex = (schema, table) =>
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`CREATE INDEX ${schema}_${table}_id_index ON ${schema}.${table} (id);`;
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let createUniqueIndex = (schema, table) =>
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`CREATE UNIQUE INDEX ${schema}_${table}_id_index ON ${schema}.${table} (id);`;
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async function pgInitializeScaffolding() {
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async function setPermissionsForPublicUser() {
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let initCommands = [
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"REVOKE ALL ON DATABASE metaforecastpg FROM public_read_only_user;",
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"GRANT CONNECT ON DATABASE metaforecastpg TO public_read_only_user;",
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];
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for (let command of initCommands) {
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await runPgCommand({ command, pool: readWritePool });
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}
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let buildGrantSelectForSchema = (schema) =>
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`GRANT SELECT ON ALL TABLES IN SCHEMA ${schema} TO public_read_only_user`;
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for (let schema of schemas) {
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await runPgCommand({
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command: buildGrantSelectForSchema(schema),
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pool: readWritePool,
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});
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}
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let alterDefaultPrivilegesForSchema = (schema) =>
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`ALTER DEFAULT PRIVILEGES IN SCHEMA ${schema} GRANT SELECT ON TABLES TO public_read_only_user`;
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for (let schema of schemas) {
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await runPgCommand({
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command: alterDefaultPrivilegesForSchema(schema),
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pool: readWritePool,
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});
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}
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}
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let YOLO = false;
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if (YOLO) {
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console.log("Create schemas");
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for (let schema of schemas) {
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await runPgCommand({
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command: `CREATE SCHEMA IF NOT EXISTS ${schema}`,
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pool: readWritePool,
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});
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}
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console.log("");
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console.log("Set search path");
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await runPgCommand({
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command: `SET search_path TO ${schemas.join(",")},public;`,
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pool: readWritePool,
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});
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console.log("");
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console.log("Set public user permissions");
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await setPermissionsForPublicUser();
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console.log("");
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} else {
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console.log(
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"pgInitializeScaffolding: This command is dangerous, set YOLO to true in the code to invoke it"
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);
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}
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}
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let buildMetaforecastTable = (
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schema,
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table
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) => `CREATE TABLE ${schema}.${table} (
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id text,
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title text,
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url text,
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platform text,
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description text,
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options json,
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timestamp timestamp,
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stars int,
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qualityindicators json,
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extra json
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);`;
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async function pgInitializeLatest() {
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let YOLO = false;
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if (YOLO) {
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console.log("Create tables & their indexes");
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let schema = "latest";
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for (let table of tableNamesWhitelistLatest) {
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await runPgCommand({
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command: dropTable(schema, table),
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pool: readWritePool,
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});
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await runPgCommand({
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command: buildMetaforecastTable(schema, table),
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pool: readWritePool,
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});
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/*
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if (schema == "history") {
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await runPgCommand({
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command: createIndex(schema, table),
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pool: readWritePool,
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});
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} else {
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*/
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await runPgCommand({
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command: createUniqueIndex(schema, table),
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pool: readWritePool,
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});
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//}
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}
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console.log("");
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} else {
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console.log(
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"pgInitializeLatest: This command is dangerous, set YOLO to true in the code to invoke it"
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);
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}
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}
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async function pgInitializeDashboards() {
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let buildDashboard = () =>
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`CREATE TABLE latest.dashboards (
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id text,
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title text,
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description text,
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contents json,
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timestamp timestamp,
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creator text,
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extra json
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);`;
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let YOLO = false;
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if (YOLO) {
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await runPgCommand({
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command: `CREATE SCHEMA IF NOT EXISTS history;`,
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pool: readWritePool,
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});
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console.log("");
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console.log("Set search path");
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await runPgCommand({
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command: `SET search_path TO ${schemas.join(",")},public;`,
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pool: readWritePool,
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});
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console.log("");
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console.log("Create dashboard table and its index");
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await runPgCommand({
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command: dropTable("latest", "dashboards"),
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pool: readWritePool,
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});
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await runPgCommand({
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command: buildDashboard(),
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pool: readWritePool,
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});
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await runPgCommand({
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command: createUniqueIndex("latest", "dashboards"),
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pool: readWritePool,
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});
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console.log("");
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} else {
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console.log(
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"pgInitializeDashboard: This command is dangerous, set YOLO to true in the code to invoke it"
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);
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}
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}
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let buildHistoryTable = (schema, table) => `CREATE TABLE ${schema}.${table} (
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id text,
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title text,
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url text,
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platform text,
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description text,
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options json,
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timestamp timestamp,
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stars int,
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qualityindicators json,
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extra json
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);`;
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export async function pgInitializeHistories() {
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let YOLO = false;
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if (YOLO) {
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console.log("Drop all previous history tables (Danger!)");
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await runPgCommand({
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command: `DROP SCHEMA history CASCADE;`,
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pool: readWritePool,
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});
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console.log("");
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console.log("Create schemas");
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for (let schema of schemas) {
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await runPgCommand({
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command: `CREATE SCHEMA IF NOT EXISTS ${schema}`,
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pool: readWritePool,
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});
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}
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console.log("");
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console.log("Set search path");
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await runPgCommand({
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command: `SET search_path TO ${schemas.join(",")},public;`,
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pool: readWritePool,
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});
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console.log("");
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console.log("Create tables & their indexes");
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let schema = "history";
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for (let table of tableNamesWhiteListHistory) {
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await runPgCommand({
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command: dropTable(schema, table),
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pool: readWritePool,
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});
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await runPgCommand({
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command: buildHistoryTable(schema, table),
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pool: readWritePool,
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});
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await runPgCommand({
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command: createIndex(schema, table), // Not unique!!
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pool: readWritePool,
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});
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}
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console.log("");
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} else {
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console.log(
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"pgInitializeHistories: This command is dangerous, set YOLO to true in the code to invoke it"
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);
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}
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}
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export async function pgInitialize() {
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await pgInitializeScaffolding();
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await pgInitializeLatest();
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await pgInitializeHistories();
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await pgInitializeDashboards();
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}
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// Read
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async function pgReadWithPool({ schema, tableName, pool }) {
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if (tableWhiteList.includes(`${schema}.${tableName}`)) {
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let command = `SELECT * from ${schema}.${tableName}`;
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let response = await runPgCommand({ command, pool });
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let results = response.results;
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return results;
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} else {
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throw Error(
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`Table ${schema}.${tableName} not in whitelist; stopping to avoid tricky sql injections`
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);
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}
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}
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export async function pgRead({ schema, tableName }) {
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return await pgReadWithPool({ schema, tableName, pool: readWritePool });
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}
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export async function pgReadWithReadCredentials({ schema, tableName }) {
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// currently does not work.
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/* return await pgReadWithPool({
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schema,
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tableName,
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pool: readOnlyPool,
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});
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*/
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return await pgReadWithPool({ schema, tableName, pool: readWritePool });
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}
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export async function pgGetByIds({ ids, schema, table }) {
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let idstring = `( ${ids.map((id) => `'${id}'`).join(", ")} )`; // (1, 2, 3)
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let command = `SELECT * from ${schema}.${table} where id in ${idstring}`;
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// see: https://stackoverflow.com/questions/5803472/sql-where-id-in-id1-id2-idn
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let response = await runPgCommand({ command, pool: readWritePool });
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let results = response.results;
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console.log(results);
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return results;
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}
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export async function pgInsert({ datum, schema, tableName }) {
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if (tableWhiteList.includes(`${schema}.${tableName}`)) {
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let text = `INSERT INTO ${schema}.${tableName} VALUES($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`;
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let timestamp =
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datum.timestamp &&
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!!datum.timestamp.slice &&
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!isNaN(Date.parse(datum.timestamp))
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? datum.timestamp
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: new Date().toISOString();
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timestamp = timestamp.slice(0, 19).replace("T", " ");
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let values = [
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datum.id,
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datum.title,
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datum.url,
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datum.platform,
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datum.description || "",
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JSON.stringify(datum.options || []),
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timestamp, // fix
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datum.stars ||
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(datum.qualityindicators ? datum.qualityindicators.stars : 2),
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JSON.stringify(datum.qualityindicators || []),
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JSON.stringify(datum.extra || []),
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];
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const client = await readWritePool.connect();
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let result;
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try {
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result = await client.query(text, values);
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} catch (error) {
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console.log(error);
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} finally {
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client.release();
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}
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// console.log(result)
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return result;
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} else {
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throw Error(
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`Table ${schema}.${tableName} not in whitelist; stopping to avoid tricky sql injections`
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);
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}
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}
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/* For reference:
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pgInsert({
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"id": "fantasyscotus-580",
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"title": "In Wooden v. U.S., the SCOTUS will affirm the lower court's decision",
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"url": "https://fantasyscotus.net/user-predictions/case/wooden-v-us/",
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"platform": "FantasySCOTUS",
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"description": "62.50% (75 out of 120) of FantasySCOTUS players predict that the lower court's decision will be affirmed. FantasySCOTUS overall predicts an outcome of Affirm 6-3. Historically, FantasySCOTUS has chosen the correct side 50.00% of the time.",
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"options": [
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{
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"name": "Yes",
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"probability": 0.625,
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"type": "PROBABILITY"
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},
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{
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"name": "No",
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"probability": 0.375,
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"type": "PROBABILITY"
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}
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],
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"timestamp": "2022-02-11T21:42:19.291Z",
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"qualityindicators": {
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"numforecasts": 120,
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"stars": 2
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}
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}
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)
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*/
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export async function pgInsertIntoDashboard({ datum, schema, tableName }) {
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if (tableWhiteList.includes(`${schema}.${tableName}`)) {
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let text = `INSERT INTO ${schema}.${tableName} VALUES($1, $2, $3, $4, $5, $6, $7)`;
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let timestamp = datum.timestamp || new Date().toISOString();
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timestamp = timestamp.slice(0, 19).replace("T", " ");
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let values = [
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hash(JSON.stringify(datum.contents)),
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datum.title || "",
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datum.description || "",
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JSON.stringify(datum.contents || []),
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timestamp, // fixed
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datum.creator || "",
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JSON.stringify(datum.extra || []),
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];
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const client = await readWritePool.connect();
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let result;
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try {
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result = await client.query(text, values);
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} catch (error) {
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console.log(error);
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} finally {
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client.release();
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}
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// console.log(result)
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return result;
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} else {
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throw Error(
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`Table ${schema}.${tableName} not in whitelist; stopping to avoid tricky sql injections`
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);
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}
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}
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/* For reference
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id text,
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title text,
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description text,
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contents json,
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timestamp timestamp,
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creator text,
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extra json
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*/
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/*
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pgInsertIntoDashboard({
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datum: {
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title: "Test dashboard",
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description: "A test dashboard",
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contents: [
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"rootclaim-did-former-new-england-patriots-tight-end-aaron-hernandez-commit-suicide-19060",
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"metaculus-3912",
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"givewellopenphil-2021-133",
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"rootclaim-what-happened-to-barry-and-honey-sherman-19972",
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"rootclaim-what-caused-the-disappearance-of-malaysia-airlines-flight-370",
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],
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creator: "Nuño Sempere",
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},
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schema: "latest",
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tableName: "dashboards",
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});
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*/
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export async function pgUpsert({ contents, schema, tableName }) {
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if (tableWhiteList.includes(`${schema}.${tableName}`)) {
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let init = Date.now();
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if (schema == "latest") {
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await runPgCommand({
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command: dropTable(schema, tableName),
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pool: readWritePool,
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});
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await runPgCommand({
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command: buildMetaforecastTable(schema, tableName),
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pool: readWritePool,
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});
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await runPgCommand({
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command: createUniqueIndex(schema, tableName),
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pool: readWritePool,
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});
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}
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console.log(
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`Upserting ${contents.length} rows into postgres table ${schema}.${tableName}.`
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);
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console.log(
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`Expected to take ${Number((contents.length * 831.183) / 4422).toFixed(
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2
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)} seconds or ${Number((contents.length * 13.85305) / 4422).toFixed(
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2
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)} minutes`
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);
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let i = 0;
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for (let datum of contents) {
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await pgInsert({ datum, schema, tableName });
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if (i < 10) {
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console.log(`Inserted ${datum.id}`);
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i++;
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} else if (i == 10) {
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console.log("...");
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i++;
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}
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}
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console.log(
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`Inserted ${
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contents.length
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} rows with approximate cummulative size ${roughSizeOfObject(
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contents
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)} MB into ${schema}.${tableName}.`
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);
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let check = await pgRead({ schema, tableName });
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console.log(
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`Received ${
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check.length
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} rows with approximate cummulative size ${roughSizeOfObject(
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check
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)} MB from ${schema}.${tableName}.`
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);
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console.log("Sample: ");
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console.log(JSON.stringify(check.slice(0, 1), null, 4));
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let end = Date.now();
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let difference = end - init;
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console.log(
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`Took ${difference / 1000} seconds, or ${
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difference / (1000 * 60)
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} minutes.`
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);
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//console.log(JSON.stringify(check.slice(0, 1), null, 4));
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} else {
|
|
console.log("tableWhiteList:");
|
|
console.log(tableWhiteList);
|
|
throw Error(
|
|
`Table ${schema}.${tableName} not in whitelist; stopping to avoid tricky sql injections`
|
|
);
|
|
}
|
|
}
|