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const { app, BrowserWindow, ipcMain, webContents } = require('electron');
const path = require("path");
const url = require("url");
const Store = require("electron-store");
const uuid = require('uuid/v1');
const connectionStore = new Store();
let uiWindow;
let newConnectionDialog;
let queryExecutors = [];
let savedConnections = [];
function createMainWindow() {
uiWindow = new BrowserWindow({
width: 800,
height: 600
});
uiWindow.loadURL(url.format({
pathname: path.join(__dirname, "index.html"),
protocol: "file:",
slashes: true
}));
uiWindow.on("closed", () => {
uiWindow = null;
app.quit();
});
}
app.on("ready", () => {
createMainWindow();
restoreSavedConnections();
});
app.on("window-all-closed", () => {
if (process.platform !== "darwin") {
app.quit();
}
});
app.on("activate", () => {
if (uiWindow === null) {
createWindow();
}
});
function createNewConnectionDialog() {
newConnectionDialog = new BrowserWindow({
width: 400,
height: 600
});
newConnectionDialog.loadURL(url.format({
pathname: path.join(__dirname, "new-connection.html"),
protocol: "file:",
slashes: true
}));
newConnectionDialog.on("closed", () => {
newConnectionDialog = null;
});
}
ipcMain.on("instanceManager.openNewConnectionDialog", (event, payload) => {
createNewConnectionDialog();
});
function createQueryExecutor(payload) {
let executor = new BrowserWindow({
show: false,
});
executor.connectionConfig = payload;
executor.executorId = uuid();
console.log("created executor with id:" + executor.executorId);
executor.loadURL(url.format({
pathname: path.join(__dirname, "./query-executor-wrapper.html"),
protocol: "file:",
slashes: true
}));
queryExecutors.push(executor);
return executor;
}
ipcMain.on("newConnection.createConnection", (event, payload) => {
createQueryExecutor(payload);
});
ipcMain.on("queryExecutor.initialiseConnectionCallback", (event, payload) => {
if (payload.error !== undefined) {
console.log(payload.error);
destroyQueryExecutor(payload.executorId);
newConnectionDialog.webContents.send("newConnection.initialisationFailed", payload.error);
}
else {
let connectionConfig = getQueryExecutorInstance(payload.executorId).connectionConfig;
if(connectionConfig.isTest) {
newConnectionDialog.webContents.send("newConnection.connectionTestOk");
destroyQueryExecutor(payload.executorId);
}
else {
uiWindow.webContents.send("instanceManager.registerNewInstance", { assignedQueryExecutorId: payload.executorId, connectionConfig: connectionConfig });
persistConnection(connectionConfig);
// The connection dialog wont exist if this executor was restored on app start
if (newConnectionDialog) {
newConnectionDialog.close();
}
}
}
});
function getQueryExecutorInstance(executorId) {
return queryExecutors.find((e) => {
return e.executorId === executorId;
});
}
function destroyQueryExecutor(executorId) {
let executor = getQueryExecutorInstance(executorId);
executor.close();
let i = queryExecutors.indexOf(executor);
if(i !== -1) {
queryExecutors.splice(i, 1);
}
}
function persistConnection(connectionConfig) {
savedConnections.push(connectionConfig);
connectionStore.set(savedConnections);
}
function restoreSavedConnections() {
for (let connection of connectionStore) {
console.log("restoring connection:");
console.log(connection[1]);
createQueryExecutor(connection[1]);
}
if (connectionStore.size === 0) {
createNewConnectionDialog();
}
}
// TODO - only send messages to instance manager which will route request to correct webView, rather than
// sending to all webViews
ipcMain.on("queryExecutor.runQueryComplete", (event, payload) => {
webContents.getAllWebContents().forEach((w) => {
w.send("queryExecutor.runQueryComplete", payload);
})
});
ipcMain.on("queryExecutor.runQuery", (event, payload) => {
queryExecutors.forEach((executor) => {
executor.webContents.send("queryExecutor.runQuery", payload);
});
});
ipcMain.on("queryExecutor.queryTableMetadataComplete", (event, payload) => {
webContents.getAllWebContents().forEach((w) => {
w.send("queryExecutor.queryTableMetadataComplete", payload);
})
});
;
ipcMain.on("queryExecutor.queryTableMetadata", (event, payload) => {
queryExecutors.forEach((executor) => {
executor.webContents.send("queryExecutor.queryTableMetadata", payload);
});
});
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