gristlabs_grist-core/app/server/companion.ts

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import { Level, TelemetryContracts } from 'app/common/Telemetry';
import { version } from 'app/common/version';
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
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import { synchronizeProducts } from 'app/gen-server/entity/Product';
import { HomeDBManager } from 'app/gen-server/lib/HomeDBManager';
import { applyPatch } from 'app/gen-server/lib/TypeORMPatches';
import { getMigrations, getOrCreateConnection, getTypeORMSettings,
undoLastMigration, updateDb } from 'app/server/lib/dbUtils';
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
import { getDatabaseUrl } from 'app/server/lib/serverUtils';
import { getTelemetryPrefs } from 'app/server/lib/Telemetry';
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
import { Gristifier } from 'app/server/utils/gristify';
import { pruneActionHistory } from 'app/server/utils/pruneActionHistory';
import * as commander from 'commander';
import { Connection } from 'typeorm';
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
/**
* Main entrypoint for a cli toolbox for configuring aspects of Grist
* and Grist documents.
*/
async function main() {
// Tweak TypeORM support of SQLite a little bit to support transactions.
applyPatch();
const program = getProgram();
await program.parseAsync(process.argv);
}
if (require.main === module) {
main().then(() => process.exit(0)).catch(e => {
// tslint:disable-next-line:no-console
console.error(e);
process.exit(1);
});
}
/**
* Get the Grist companion client program as a commander object.
* To actually run it, call parseAsync(argv), optionally after
* adding any other commands that may be available.
*/
export function getProgram(): commander.Command {
const program = commander.program;
program
.name('grist-toolbox') // haven't really settled on a name yet.
// want to reserve "grist" for electron app?
.description('a toolbox of handy Grist-related utilities');
addDbCommand(program, {nested: true});
addHistoryCommand(program, {nested: true});
addSettingsCommand(program, {nested: true});
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
addSiteCommand(program, {nested: true});
addSqliteCommand(program);
addVersionCommand(program);
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
return program;
}
// Add commands related to document history:
// history prune <docId> [N]
export function addHistoryCommand(program: commander.Command, options: CommandOptions) {
const sub = section(program, {
sectionName: 'history',
sectionDescription: 'fiddle with history of a Grist document',
...options,
});
sub('prune <docId>')
.description('remove all but last N actions from doc')
.argument('[N]', 'number of actions to keep', parseIntForCommander, 1)
.action(pruneActionHistory);
}
// Add commands for general configuration
export function addSettingsCommand(program: commander.Command,
options: CommandOptions) {
const sub = section(program, {
sectionName: 'settings',
sectionDescription: 'general configuration',
...options
});
sub('telemetry')
.description('show telemetry settings')
.option('--json', 'show telemetry levels as json')
.option('--all', 'show all telemetry levels')
.action(showTelemetry);
}
async function showTelemetry(options: {
json?: boolean,
all?: boolean,
}) {
const contracts = TelemetryContracts;
const db = await getHomeDBManager();
const prefs = await getTelemetryPrefs(db);
const levelName = prefs.telemetryLevel.value;
const level = Level[levelName];
if (options.json) {
console.log(JSON.stringify({
contracts,
currentLevel: level,
currentLevelName: levelName,
}, null, 2));
} else {
if (options.all) {
console.log("# All telemetry levels");
console.log("");
for (const iLevel of [Level.off, Level.limited, Level.full]) {
describeTelemetryLevel(iLevel, '#');
console.log("");
showTelemetryAtLevel(iLevel, '##');
console.log("");
}
} else {
describeTelemetryLevel(level, '');
console.log("");
showTelemetryAtLevel(level, '#');
}
}
}
function describeTelemetryLevel(level: Level, nesting: ''|'#') {
switch (level) {
case Level.off:
console.log(nesting + "# Telemetry level: off");
console.log("No telemetry is recorded or transmitted.");
break;
case Level.limited:
console.log(nesting + "# Telemetry level: limited");
console.log("This is a telemetry level appropriate for self-hosting instances of Grist.");
console.log("Data is transmitted to Grist Labs.");
break;
case Level.full:
console.log(nesting + "# Telemetry level: full");
console.log("This is a telemetry level appropriate for internal use by a hosted service, with");
console.log("`GRIST_TELEMETRY_URL` set to an endpoint controlled by the operator of the service.");
break;
}
}
function showTelemetryAtLevel(level: Level, nesting: ''|'#'|'##') {
const contracts = TelemetryContracts;
for (const [name, contract] of Object.entries(contracts)) {
if (contract.minimumTelemetryLevel > level) { continue; }
console.log(nesting + "# " + name);
console.log(contract.description);
console.log("");
console.log("| Field | Type | Description |");
console.log("| ----- | ---- | ----------- |");
for (const [fieldName, metadata] of Object.entries(contract.metadataContracts || {})) {
if ((metadata.minimumTelemetryLevel || 0) > level) { continue; }
console.log("| " + fieldName + " | " + metadata.dataType + " | " + metadata.description + " |");
}
console.log("");
}
}
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
// Add commands related to sites:
// site create <domain> <owner-email>
export function addSiteCommand(program: commander.Command,
options: CommandOptions) {
const sub = section(program, {
sectionName: 'site',
sectionDescription: 'set up sites',
...options
});
sub('create <domain> <owner-email>')
.description('create a site')
.action(async (domain, email) => {
console.log("create a site");
const profile = {email, name: email};
const db = await getHomeDBManager();
const user = await db.getUserByLogin(email, {profile});
if (!user) {
// This should not happen.
throw new Error('failed to create user');
}
db.unwrapQueryResult(await db.addOrg(user, {
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
name: domain,
domain,
}, {
setUserAsOwner: false,
useNewPlan: true,
planType: 'teamFree'
}));
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
});
}
// Add commands related to home/landing database:
// db migrate
// db revert
// db check
// db url
export function addDbCommand(program: commander.Command,
options: CommandOptions,
reuseConnection?: Connection) {
function withConnection(op: (connection: Connection) => Promise<number>) {
return async () => {
if (!process.env.TYPEORM_LOGGING) {
process.env.TYPEORM_LOGGING = 'true';
}
const connection = reuseConnection || await getOrCreateConnection();
const exitCode = await op(connection);
if (exitCode !== 0) {
program.error('db command failed', {exitCode});
}
};
}
const sub = section(program, {
sectionName: 'db',
sectionDescription: 'maintain the database of users, sites, workspaces, and docs',
...options,
});
sub('migrate')
.description('run all pending migrations on database')
.action(withConnection(async (connection) => {
await updateDb(connection);
return 0;
}));
sub('revert')
.description('revert last migration on database')
.action(withConnection(async (connection) => {
await undoLastMigration(connection);
return 0;
}));
sub('check')
.description('check that there are no pending migrations on database')
.action(withConnection(dbCheck));
sub('url')
.description('construct a url for the database (for psql, catsql etc)')
.action(withConnection(async () => {
console.log(getDatabaseUrl(getTypeORMSettings(), true));
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
return 0;
}));
}
// Add command related to sqlite:
// sqlite gristify <sqlite-file>
// sqlite clean <sqlite-file>
export function addSqliteCommand(program: commander.Command) {
const sub = program.command('sqlite')
.description('commands for accessing sqlite files');
sub.command('gristify <sqlite-file>')
.description('add grist metadata to an sqlite file')
.option('--add-sort', 'add a manualSort column, important for adding/removing rows')
.action((filename, options) => new Gristifier(filename).gristify(options));
sub.command('clean <sqlite-file>')
.description('remove grist metadata from an sqlite file')
.action(filename => new Gristifier(filename).degristify());
}
export function addVersionCommand(program: commander.Command) {
program.command('version')
.description('show Grist version')
.action(() => console.log(version));
}
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
// Report the status of the database. Migrations appied, migrations pending,
// product information applied, product changes pending.
export async function dbCheck(connection: Connection) {
const migrations = await getMigrations(connection);
const changingProducts = await synchronizeProducts(connection, false);
// eslint-disable-next-line @typescript-eslint/no-shadow
const log = process.env.TYPEORM_LOGGING === 'true' ? console.log : (...args: any[]) => null;
const options = getTypeORMSettings();
(core) add a `yarn run cli` tool, and add a `sqlite gristify` option Summary: This adds rudimentary support for opening certain SQLite files in Grist. If you have a file such as `landing.db` in Grist, you can convert it to Grist format by doing (either in monorepo or grist-core): ``` yarn run cli -h yarn run cli sqlite -h yarn run cli sqlite gristify landing.db ``` The file is now openable by Grist. To actually do so with the regular Grist server, you'll need to either import it, or convert some doc you don't care about in the `samples/` directory to be a soft link to it (and then force a reload). This implementation is a rudimentary experiment. Here are some awkwardnesses: * Only tables that happen to have a column called `id`, and where the column happens to be an integer, can be opened directly with Grist as it is today. That could be generalized, but it looked more than a Gristathon's worth of work, so I instead used SQLite views. * Grist will handle tables that start with an uncapitalized letter a bit erratically. You can successfully add columns, for example, but removing them will cause sadness - Grist will rename the table in a confused way. * I didn't attempt to deal with column names with spaces etc (though views could deal with those). * I haven't tried to do any fancy type mapping. * Columns with constraints can make adding new rows impossible in Grist, since Grist requires that a row can be added with just a single cell set. Test Plan: added small test Reviewers: georgegevoian Reviewed By: georgegevoian Differential Revision: https://phab.getgrist.com/D3502
2022-07-14 09:32:06 +00:00
log("database url:", getDatabaseUrl(options, false));
log("migration files:", options.migrations);
log("migrations applied to db:", migrations.migrationsInDb);
log("migrations listed in code:", migrations.migrationsInCode);
let exitCode: number = 0;
if (migrations.pendingMigrations.length) {
log(`Migration(s) need to be applied: ${migrations.pendingMigrations}`);
exitCode = 1;
} else {
log("No migrations need to be applied");
}
log("");
if (changingProducts.length) {
log("Products need updating:", changingProducts);
log(` (to revert a product change, run an older version of the code)`);
log(` (db:revert will not undo product changes)`);
exitCode = 1;
} else {
log(`Products unchanged`);
}
return exitCode;
}
// Get an interface to the home db.
export async function getHomeDBManager() {
const dbManager = new HomeDBManager();
await dbManager.connect();
await dbManager.initializeSpecialIds();
return dbManager;
}
// Get a function for adding a command to a section of related commands.
// There is a "nested" option that uses commander's nested command feature.
// Older cli code may use an older unnested style.
function section(program: commander.Command, options: {
sectionName: string,
sectionDescription: string,
nested: boolean
}) {
// If unnested, we'll return a function that adds commands directly to the
// program (section description is ignored in this case). If nested, we make
// a command to represent the section, and return a function that adds to that.
const sub = options.nested ?
program.command(options.sectionName).description(options.sectionDescription) :
program;
return (name: string) => {
if (options.nested) {
return sub.command(name);
} else {
return sub.command(`${options.sectionName}:${name}`);
}
};
}
// Options for command style.
export interface CommandOptions {
nested: boolean,
sectionName?: string,
}
// This is based on the recommended way to parse integers for commander.
export function parseIntForCommander(value: string, prev: number) {
const pvalue = parseInt(value, 10);
if (isNaN(pvalue)) {
throw new Error('Not a number.');
}
return pvalue;
}