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separated DB initialization methods into sql_init

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This commit is contained in:
azivner
2018-04-02 21:25:20 -04:00
parent 6ab0cea4e3
commit 26e4ad9bf9
11 changed files with 133 additions and 116 deletions
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102
src/services/sql.js
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@@ -1,80 +1,12 @@
"use strict";
const log = require('./log');
const dataDir = require('./data_dir');
const fs = require('fs');
const sqlite = require('sqlite');
const appInfo = require('./app_info');
const resourceDir = require('./resource_dir');
const cls = require('./cls');
async function createConnection() {
return await sqlite.open(dataDir.DOCUMENT_PATH, {Promise});
}
let dbConnection;
const dbConnected = createConnection();
let dbReadyResolve = null;
const dbReady = new Promise((resolve, reject) => {
dbConnected.then(cls.wrap(async db => {
await execute("PRAGMA foreign_keys = ON");
dbReadyResolve = () => {
log.info("DB ready.");
resolve(db);
};
const tableResults = await getRows("SELECT name FROM sqlite_master WHERE type='table' AND name='notes'");
if (tableResults.length !== 1) {
log.info("Connected to db, but schema doesn't exist. Initializing schema ...");
const schema = fs.readFileSync(resourceDir.DB_INIT_DIR + '/schema.sql', 'UTF-8');
const notesSql = fs.readFileSync(resourceDir.DB_INIT_DIR + '/main_notes.sql', 'UTF-8');
const notesTreeSql = fs.readFileSync(resourceDir.DB_INIT_DIR + '/main_branches.sql', 'UTF-8');
const imagesSql = fs.readFileSync(resourceDir.DB_INIT_DIR + '/main_images.sql', 'UTF-8');
const notesImageSql = fs.readFileSync(resourceDir.DB_INIT_DIR + '/main_note_images.sql', 'UTF-8');
await doInTransaction(async () => {
await executeScript(schema);
await executeScript(notesSql);
await executeScript(notesTreeSql);
await executeScript(imagesSql);
await executeScript(notesImageSql);
const startNoteId = await getValue("SELECT noteId FROM branches WHERE parentNoteId = 'root' AND isDeleted = 0 ORDER BY notePosition");
await require('./options').initOptions(startNoteId);
await require('./sync_table').fillAllSyncRows();
});
log.info("Schema and initial content generated. Waiting for user to enter username/password to finish setup.");
// we don't resolve dbReady promise because user needs to setup the username and password to initialize
// the database
}
else {
if (!await isUserInitialized()) {
log.info("Login/password not initialized. DB not ready.");
return;
}
if (!await isDbUpToDate()) {
return;
}
resolve(db);
}
}))
.catch(e => {
console.log("Error connecting to DB.", e);
process.exit(1);
});
});
function setDbReadyAsResolved() {
dbReadyResolve();
function setDbConnection(connection) {
dbConnection = connection;
}
async function insert(table_name, rec, replace = false) {
@@ -174,10 +106,9 @@ async function executeScript(query) {
async function wrap(func) {
const thisError = new Error();
const db = await dbConnected;
try {
return await func(db);
return await func(dbConnection);
}
catch (e) {
log.error("Error executing query. Inner exception: " + e.stack + thisError.stack);
@@ -238,27 +169,8 @@ async function doInTransaction(func) {
return ret;
}
async function isDbUpToDate() {
const dbVersion = parseInt(await getValue("SELECT value FROM options WHERE name = 'db_version'"));
const upToDate = dbVersion >= appInfo.db_version;
if (!upToDate) {
log.info("App db version is " + appInfo.db_version + ", while db version is " + dbVersion + ". Migration needed.");
}
return upToDate;
}
async function isUserInitialized() {
const username = await getValue("SELECT value FROM options WHERE name = 'username'");
return !!username;
}
module.exports = {
dbReady,
isUserInitialized,
setDbConnection,
insert,
replace,
getValue,
@@ -269,7 +181,5 @@ module.exports = {
getColumn,
execute,
executeScript,
doInTransaction,
setDbReadyAsResolved,
isDbUpToDate
doInTransaction
};