enigma-bbs/core/database.js

178 lines
4.7 KiB
JavaScript

/* jslint node: true */
'use strict';
var conf = require('./config.js');
var sqlite3 = require('sqlite3');
var paths = require('path');
// database handles
var dbs = {};
exports.initializeDatabases = initializeDatabases;
exports.dbs = dbs;
function getDatabasePath(name) {
return paths.join(conf.config.paths.db, name + '.sqlite3');
}
function initializeDatabases() {
// :TODO: this will need to change if more DB's are added
dbs.user = new sqlite3.Database(getDatabasePath('user'));
dbs.message = new sqlite3.Database(getDatabasePath('message'));
dbs.user.serialize(function serialized() {
createUserTables();
createInitialUserValues();
});
dbs.message.serialize(function serialized() {
createMessageBaseTables();
createInitialMessageValues();
});
}
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 (' +
' group_id INTEGER PRIMARY KEY,' +
' group_name VARCHAR NOT NULL,' +
' UNIQUE(group_name)' +
');'
);
dbs.user.run(
'CREATE TABLE IF NOT EXISTS user_group_member (' +
' group_id INTEGER NOT NULL,' +
' user_id INTEGER NOT NULL,' +
' UNIQUE(group_id, user_id),' +
' FOREIGN KEY(group_id) REFERENCES user_group(group_id) ON DELETE CASCADE' +
');'
);
}
function createMessageBaseTables() {
dbs.message.run(
'CREATE TABLE IF NOT EXISTS message_area (' +
' area_id INTEGER PRIMARY KEY,' +
' area_name VARCHAR NOT NULL,' +
' UNIQUE(area_name)' +
');'
);
dbs.message.run(
'CREATE TABLE IF NOT EXISTS message_area_group (' +
' area_id INTEGER NOT NULL,' +
' group_id INTEGER NOT NULL' + // FK @ user.sqlite::user_group::group_id
');'
);
dbs.message.run(
'CREATE TABLE IF NOT EXISTS message (' +
' message_id INTEGER PRIMARY KEY,' +
' area_id INTEGER 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),' +
' FOREIGN KEY(area_id) REFERENCES message_area(area_id)' +
');'
);
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;'
);
dbs.message.run(
'CREATE TABLE IF NOT EXISTS message_meta (' +
' message_id INTEGER NOT NULL,' +
' meta_name VARCHAR NOT NULL,' +
' meta_value VARCHAR NOT NULL,' +
' UNIQUE(message_id, meta_name),' +
' FOREIGN KEY(message_id) REFERENCES message(message_id)' +
');'
);
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)' +
');'
);
dbs.message.run(
'CREATE TABLE IF NOT EXISTS message_hash_tag (' +
' hash_tag_id INTEGER NOT NULL,' +
' message_id INTEGER NOT NULL' +
');'
);
}
function createInitialMessageValues() {
//
// Area ID 1: Private / Local
//
dbs.message.run(
'INSERT OR IGNORE INTO message_area ' +
'VALUES(1, "Local Private Messages");'
);
}
function createInitialUserValues() {
dbs.user.run(
'INSERT OR IGNORE INTO user_group ' +
'VALUES(1, "users");'
);
dbs.user.run(
'INSERT OR IGNORE INTO user_group ' +
'VALUES(2, "sysops");'
);
}