enigma-bbs/core/database.js

251 lines
6.9 KiB
JavaScript

/* jslint node: true */
'use strict';
var conf = require('./config.js');
var sqlite3 = require('sqlite3');
var paths = require('path');
var async = require('async');
const _ = require('lodash');
const assert = require('assert');
// database handles
var dbs = {};
exports.getModDatabasePath = getModDatabasePath;
exports.initializeDatabases = initializeDatabases;
exports.dbs = dbs;
function getDatabasePath(name) {
return paths.join(conf.config.paths.db, `${name}.sqlite3`);
}
function getModDatabasePath(moduleInfo, suffix) {
//
// Mods that use a database are stored in Config.paths.modsDb (e.g. enigma-bbs/db/mods)
// We expect that moduleInfo defines packageName which will be the base of the modules
// filename. An optional suffix may be supplied as well.
//
const HOST_RE = /^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$/;
assert(_.isObject(moduleInfo));
assert(_.isString(moduleInfo.packageName), 'moduleInfo must define "packageName"!');
let full = moduleInfo.packageName;
if(suffix) {
full += `.${suffix}`;
}
assert(
(full.split('.').length > 1 && HOST_RE.test(full)),
'packageName must follow Reverse Domain Name Notation - https://en.wikipedia.org/wiki/Reverse_domain_name_notation');
return paths.join(conf.config.paths.modsDb, `${full}.sqlite3`);
}
function initializeDatabases(cb) {
// :TODO: this will need to change if more DB's are added ... why?
async.series(
[
function systemDb(callback) {
dbs.system = new sqlite3.Database(getDatabasePath('system'), function dbCreated(err) {
if(err) {
callback(err);
} else {
dbs.system.serialize(function serialized() {
createSystemTables();
});
callback(null);
}
});
},
function userDb(callback) {
dbs.user = new sqlite3.Database(getDatabasePath('user'), function dbCreated(err) {
if(err) {
callback(err);
} else {
dbs.user.serialize(function serialized() {
createUserTables();
createInitialUserValues();
});
callback(null);
}
});
},
function messageDb(callback) {
dbs.message = new sqlite3.Database(getDatabasePath('message'), function dbCreated(err) {
if(err) {
callback(err);
} else {
dbs.message.serialize(function serialized() {
createMessageBaseTables();
createInitialMessageValues();
});
callback(null);
}
});
}
],
function complete(err) {
cb(err);
}
);
}
function createSystemTables() {
dbs.system.run(
'CREATE TABLE IF NOT EXISTS system_property (' +
' prop_name VARCHAR PRIMARY KEY NOT NULL,' +
' prop_value VARCHAR NOT NULL' +
');'
);
//
// system_log can round log_timestamp for daily, monthly, etc.
// statistics as well as unique entries.
//
/*
dbs.system.run(
'CREATE TABLE IF NOT EXISTS system_log (' +
' log_timestamp DATETIME PRIMARY KEY NOT NULL ( ' +
' log_name VARCHARNOT NULL,' +
' log_value VARCHAR NOT NULL,' +
' UNIQUE(log_timestamp, log_name)' +
');'
);*/
}
function createUserTables() {
dbs.user.run(
'CREATE TABLE IF NOT EXISTS user (' +
' id INTEGER PRIMARY KEY,' +
' user_name VARCHAR NOT NULL,' +
' UNIQUE(user_name)' +
');'
);
// :TODO: create FK on delete/etc.
dbs.user.run(
'CREATE TABLE IF NOT EXISTS user_property (' +
' user_id INTEGER NOT NULL,' +
' prop_name VARCHAR NOT NULL,' +
' prop_value VARCHAR,' +
' UNIQUE(user_id, prop_name),' +
' FOREIGN KEY(user_id) REFERENCES user(id) ON DELETE CASCADE' +
');'
);
dbs.user.run(
'CREATE TABLE IF NOT EXISTS user_group_member (' +
' group_name VARCHAR NOT NULL,' +
' user_id INTEGER NOT NULL,' +
' UNIQUE(group_name, user_id)' +
');'
);
dbs.user.run(
'CREATE TABLE IF NOT EXISTS user_login_history (' +
' user_id INTEGER NOT NULL,' +
' user_name VARCHAR NOT NULL,' +
' timestamp DATETIME NOT NULL' +
');'
);
}
function createMessageBaseTables() {
dbs.message.run(
'CREATE TABLE IF NOT EXISTS message (' +
' message_id INTEGER PRIMARY KEY,' +
' area_tag VARCHAR NOT NULL,' +
' message_uuid VARCHAR(36) NOT NULL,' +
' reply_to_message_id INTEGER,' +
' to_user_name VARCHAR NOT NULL,' +
' from_user_name VARCHAR NOT NULL,' +
' subject,' + // FTS @ message_fts
' message,' + // FTS @ message_fts
' modified_timestamp DATETIME NOT NULL,' +
' view_count INTEGER NOT NULL DEFAULT 0,' +
' UNIQUE(message_uuid)' +
');'
);
dbs.message.run(
'CREATE VIRTUAL TABLE IF NOT EXISTS message_fts USING fts4 (' +
' content="message",' +
' subject,' +
' message' +
');'
);
dbs.message.run(
'CREATE TRIGGER IF NOT EXISTS message_before_update BEFORE UPDATE ON message BEGIN' +
' DELETE FROM message_fts WHERE docid=old.rowid;' +
'END;' +
'CREATE TRIGGER IF NOT EXISTS message_before_delete BEFORE DELETE ON message BEGIN' +
' DELETE FROM message_fts WHERE docid=old.rowid;' +
'END;' +
'' +
'CREATE TRIGGER IF NOT EXISTS message_after_update AFTER UPDATE ON message BEGIN' +
' INSERT INTO message_fts(docid, subject, message) VALUES(new.rowid, new.subject, new.message);' +
'END;' +
'CREATE TRIGGER IF NOT EXISTS message_after_insert AFTER INSERT ON message BEGIN' +
' INSERT INTO message_fts(docid, subject, message) VALUES(new.rowid, new.subject, new.message);' +
'END;'
);
// :TODO: need SQL to ensure cleaned up if delete from message?
dbs.message.run(
'CREATE TABLE IF NOT EXISTS message_meta (' +
' message_id INTEGER NOT NULL,' +
' meta_category INTEGER NOT NULL,' +
' meta_name VARCHAR NOT NULL,' +
' meta_value VARCHAR NOT NULL,' +
' UNIQUE(message_id, meta_category, meta_name, meta_value),' + // :TODO:why unique here?
' FOREIGN KEY(message_id) REFERENCES message(message_id)' +
');'
);
// :TODO: need SQL to ensure cleaned up if delete from message?
dbs.message.run(
'CREATE TABLE IF NOT EXISTS hash_tag (' +
' hash_tag_id INTEGER PRIMARY KEY,' +
' hash_tag_name VARCHAR NOT NULL,' +
' UNIQUE(hash_tag_name)' +
');'
);
// :TODO: need SQL to ensure cleaned up if delete from message?
dbs.message.run(
'CREATE TABLE IF NOT EXISTS message_hash_tag (' +
' hash_tag_id INTEGER NOT NULL,' +
' message_id INTEGER NOT NULL' +
');'
);
dbs.message.run(
'CREATE TABLE IF NOT EXISTS user_message_area_last_read (' +
' user_id INTEGER NOT NULL,' +
' area_tag VARCHAR NOT NULL,' +
' message_id INTEGER NOT NULL,' +
' UNIQUE(user_id, area_tag)' +
');'
);
dbs.message.run(
`CREATE TABLE IF NOT EXISTS message_area_last_scan (
scan_toss VARCHAR NOT NULL,
area_tag VARCHAR NOT NULL,
message_id INTEGER NOT NULL,
UNIQUE(scan_toss, area_tag)
);`
);
}
function createInitialMessageValues() {
}
function createInitialUserValues() {
}