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#!/usr/bin/env node
/* eslint-disable no-console */
const fs = require("fs");
const pg = require("pg");
const prettier = require("prettier");
const { graphql } = require("graphql");
const {
createPostGraphileSchema,
withPostGraphileContext,
} = require("postgraphile");
const PgSimplifyInflectorPlugin = require("@graphile-contrib/pg-simplify-inflector");
const lowerCase = require("lodash/lowerCase");
function upperFirst(str) {
return str[0].toUpperCase() + str.substr(1);
}
function filenameToTitle(str) {
return upperFirst(lowerCase(str.replace(/^[0-9]+_/, "")));
}
async function prettify(filepath, content) {
const options = await prettier.resolveConfig(filepath);
return prettier.format(content, {
...options,
printWidth: 38,
filepath,
});
}
async function main() {
const schemaSql = fs.readFileSync(
`${__dirname}/../examples/db/schema.sql`,
"utf8"
);
const dataSql = fs.readFileSync(
`${__dirname}/../examples/db/999_data.sql`,
"utf8"
);
const password = String(Math.random());
{
const rootPool = new pg.Pool({
host: process.env.PGHOST,
port: process.env.PGPORT,
user: process.env.PGUSER,
password: process.env.PGPASSWORD,
database: "postgres",
});
try {
await rootPool.query("drop database graphile_org_demo");
} catch (e) {
/* non-existence is fine */
}
try {
await rootPool.query("drop role graphiledemo");
} catch (e) {
/* non-existence is fine */
}
try {
await rootPool.query("drop role graphiledemo_authenticator");
} catch (e) {
/* non-existence is fine */
}
try {
await rootPool.query("drop role graphiledemo_visitor");
} catch (e) {
/* non-existence is fine */
}
await rootPool.query(
`CREATE ROLE graphiledemo WITH LOGIN PASSWORD '${password}' SUPERUSER`
);
await rootPool.query(
`CREATE ROLE graphiledemo_authenticator WITH LOGIN PASSWORD '${password}' NOINHERIT;`
);
await rootPool.query(`CREATE ROLE graphiledemo_visitor;`);
await rootPool.query(
`GRANT graphiledemo_visitor TO graphiledemo_authenticator;`
);
await rootPool.query(
`create database graphile_org_demo owner graphiledemo`
);
rootPool.end();
}
{
const ownerPool = new pg.Pool({
host: process.env.PGHOST,
port: process.env.PGPORT,
user: process.env.PGUSER,
password: process.env.PGPASSWORD,
database: "graphile_org_demo",
});
await ownerPool.query(schemaSql);
await ownerPool.query(dataSql);
await ownerPool.query(
`\
set search_path to app_public, app_private, public;
/**
* These are the tables we're using in the insert-multiple-records example
*/
create table quiz (
id serial primary key,
name text not null,
updated_at timestamptz not null default now()
);
create table quiz_entry (
id serial primary key,
user_id int not null references users(id),
quiz_id int not null references quiz(id)
);
create table quiz_entry_answer (
id serial primary key,
quiz_entry_id int not null references quiz_entry(id),
question text not null,
answer int
);
/**
* These are needed for the GraphQLFloat plugins
*/
alter table quiz add column precision_12_scale_2 numeric(12,2);
alter table quiz add column precision_200_scale_100 numeric(200,100);
/**
* This is just to aid testing
*/
insert into quiz (name) values ('Cats'), ('Dogs'), ('Snakes');
insert into quiz_entry (user_id, quiz_id) values
(1, 1),
(3, 1),
(1, 2),
(4, 2),
(3, 2),
(4, 2),
(5, 3);
`
);
}
const pgPool = new pg.Pool({
host: process.env.PGHOST,
port: process.env.PGPORT,
user: process.env.PGUSER,
password: process.env.PGPASSWORD,
database: "graphile_org_demo",
});
const getPostGraphileSchemaWithOptions = (options = {}, client = pgPool) =>
createPostGraphileSchema(client, ["app_public"], {
dynamicJson: true,
...options,
appendPlugins: [
PgSimplifyInflectorPlugin,
...(options.appendPlugins || []),
],
});
try {
const postgraphileSchema = await getPostGraphileSchemaWithOptions({});
const queryPath = `${__dirname}/../examples`;
const categories = fs
.readdirSync(queryPath)
.filter(dir => fs.statSync(`${queryPath}/${dir}`).isDirectory())
.filter(dir => fs.existsSync(`${queryPath}/${dir}/config.js`))
.sort();
const examples = [];
for (const category of categories) {
const sectionPath = `${queryPath}/${category}`;
const {
fileFilter,
processFile,
filenameToSectionTitle = filenameToTitle,
filenameToExampleTitle = filenameToTitle,
} = require(`${sectionPath}/config.js`);
const sections = fs
.readdirSync(sectionPath)
.filter(dir => fs.statSync(`${sectionPath}/${dir}`).isDirectory())
.sort();
for (const dir of sections) {
const titleFromFile = null;
const currentExample = {
category: category,
title: titleFromFile || filenameToSectionTitle(dir),
examples: [],
};
examples.push(currentExample);
const dirPath = `${sectionPath}/${dir}`;
const queries = fs
.readdirSync(dirPath)
.filter(fileFilter)
.sort();
for (const exampleFilename of queries) {
const exampleFilePath = `${dirPath}/${exampleFilename}`;
//const id = `${dir}__${exampleFilename}`;
const {
example,
exampleLanguage,
result,
resultLanguage,
title,
} = await processFile(exampleFilePath, {
pgPool,
postgraphileSchema,
prettify,
graphql,
withPostGraphileContext,
getPostGraphileSchemaWithOptions,
});
currentExample.examples.push({
title:
title ||
filenameToExampleTitle(
exampleFilename.replace(/\.(graphql|sql|js|ts)$/, "")
),
example,
exampleLanguage,
result,
resultLanguage,
});
}
}
}
fs.writeFileSync(
`${__dirname}/../src/data/examples.json`,
JSON.stringify(examples, null, 2)
);
} finally {
pgPool.end();
}
}
main().then(null, error => {
console.error(error);
process.exit(1);
});