migrating to typescript

src/BinaryDataDecoder.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBAccessQueryResult from './DBAccessQueryResult';

src/CommentsProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBVendors from './DBVendors';

src/DataChunksProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import arrangeColumnsData from './ColumnsDataArranger';
 import * as extraConfigProcessor from './ExtraConfigProcessor';
 import Conversion from './Conversion';

src/DataLoader.ts

@@ -19,7 +19,7 @@
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
 import * as csvStringify from './CsvStringifyModified';
-import log from './Logger';
+import { log } from './FsOps';
 import generateError from './ErrorGenerator';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';

src/DataPipeManager.ts

@@ -20,7 +20,7 @@
  */
 import { ChildProcess, fork } from 'child_process';
 import * as path from 'path';
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import generateError from './ErrorGenerator';
 import MessageToDataLoader from './MessageToDataLoader';

src/DataPoolManager.ts

@@ -21,7 +21,7 @@
 import DBAccess from './DBAccess';
 import DBAccessQueryResult from './DBAccessQueryResult';
 import DBVendors from './DBVendors';
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 
 /**

src/DefaultProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBVendors from './DBVendors';

src/EnumProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBVendors from './DBVendors';

src/ErrorGenerator.ts

@@ -19,7 +19,7 @@
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
 import * as fs from 'fs';
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 
 /**

src/ForeignKeyProcessor.ts

@@ -19,7 +19,7 @@
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
 import * as migrationStateManager from './MigrationStateManager';
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBVendors from './DBVendors';

src/FsOps.ts

@@ -21,7 +21,58 @@
 import * as fs from 'fs';
 import * as path from 'path';
 import Conversion from './Conversion';
-import log from './Logger';
+
+/**
+ * Writes a detailed error message to the "/errors-only.log" file.
+ */
+export function generateError(conversion: Conversion, message: string, sql: string = ''): Promise<void> {
+    return new Promise<void>(resolve => {
+        message += `\n\n\tSQL: ${sql}\n\n`;
+        const buffer: Buffer = Buffer.from(message, conversion._encoding);
+        log(conversion, message, undefined, true);
+
+        fs.open(conversion._errorLogsPath, 'a', conversion._0777, (error: Error, fd: number) => {
+            if (!error) {
+                fs.write(fd, buffer, 0, buffer.length, null, () => {
+                    fs.close(fd, () => resolve());
+                });
+            }
+        });
+    });
+}
+
+/**
+ * Outputs given log.
+ * Writes given log to the "/all.log" file.
+ * If necessary, writes given log to the "/{tableName}.log" file.
+ */
+export function log(conversion: Conversion, log: string | NodeJS.ErrnoException, tableLogPath?: string, isErrorLog?: boolean): void {
+    const buffer: Buffer = Buffer.from(`${ log }\n\n`, conversion._encoding);
+
+    if (!isErrorLog) {
+        console.log(log);
+    }
+
+    fs.open(conversion._allLogsPath, 'a', conversion._0777, (error: Error, fd: number) => {
+        if (!error) {
+            fs.write(fd, buffer, 0, buffer.length, null, () => {
+                fs.close(fd, () => {
+                    if (tableLogPath) {
+                        fs.open(tableLogPath, 'a', conversion._0777, (error: Error, fd: number) => {
+                            if (!error) {
+                                fs.write(fd, buffer, 0, buffer.length, null, () => {
+                                    fs.close(fd, () => {
+                                        // Each async function MUST have a callback (according to Node.js >= 7).
+                                    });
+                                });
+                            }
+                        });
+                    }
+                });
+            });
+        }
+    });
+}
 
 /**
  * Reads the configuration file.

src/IndexAndKeyProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBVendors from './DBVendors';

src/MigrationStateManager.ts

@@ -21,7 +21,7 @@
 import DBAccess from './DBAccess';
 import DBAccessQueryResult from './DBAccessQueryResult';
 import DBVendors from './DBVendors';
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 
 /**

src/NullProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBVendors from './DBVendors';

src/ReportGenerator.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import { EventEmitter } from 'events';
 

src/SequencesProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBVendors from './DBVendors';

src/StructureLoader.ts

@@ -21,7 +21,7 @@
 import DBAccess from './DBAccess';
 import DBAccessQueryResult from './DBAccessQueryResult';
 import DBVendors from './DBVendors';
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import Table from './Table';
 import { createTable } from './TableProcessor';

src/TableProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import generateError from './ErrorGenerator';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';

src/VacuumProcessor.ts

@@ -18,7 +18,7 @@
  *
  * @author Anatoly Khaytovich <anatolyuss@gmail.com>
  */
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import DBAccess from './DBAccess';
 import DBVendors from './DBVendors';

src/ViewGenerator.ts

@@ -21,7 +21,7 @@
 import * as fs from 'fs';
 import { Stats } from 'fs';
 import * as path from 'path';
-import log from './Logger';
+import { log } from './FsOps';
 import Conversion from './Conversion';
 import * as migrationStateManager from './MigrationStateManager';
 import DBAccess from './DBAccess';