Add logging, pdf thumbs

Dockerfile

@@ -15,6 +15,12 @@ RUN npm install
 # Bundle app source
 COPY . .
 
+RUN apt-get update && apt-get install -y \
+    imagemagick \
+    ghostscript \
+    && rm -rf /var/lib/apt/lists/*
+
+
 RUN npm run build
 
 EXPOSE 8000

jobs/jobsListMedia.ts

@@ -14,37 +14,27 @@ export async function JobsListMedia(req: Request, res: Response) {
     })
   ).filter((f) => f.isFile() && !/(^|\/)\.[^\/\.]/g.test(f.name));
 
-  const thumbnailGenerationQueue: Promise<void>[] = [];
-
-  const ret: MediaFile[] = filesList.map((file) => {
-    thumbnailGenerationQueue.push(
-      GenerateThumbnail(
-        path.join(FolderPaths.Jobs, ro_number, file.name),
-        path.join(
-          FolderPaths.Jobs,
+  const ret: MediaFile[] = await Promise.all(
+    filesList.map(async (file) => {
+      const thumbPath: string = await GenerateThumbnail(
+        path.join(FolderPaths.Jobs, ro_number, file.name)
+      );
+      return {
+        src: GenerateUrl([
+          FolderPaths.StaticPath,
+          FolderPaths.JobsFolder,
           ro_number,
-          FolderPaths.ThumbsSubDir,
-          file.name
-        )
-      )
-    );
-    return {
-      src: GenerateUrl([
-        FolderPaths.StaticPath,
-        FolderPaths.JobsFolder,
-        ro_number,
-        file.name,
-      ]),
-      thumb: GenerateUrl([
-        FolderPaths.StaticPath,
-        FolderPaths.JobsFolder,
-        ro_number,
-        FolderPaths.ThumbsSubDir,
-        file.name,
-      ]),
-    };
-  });
-  await Promise.all(thumbnailGenerationQueue);
+          file.name,
+        ]),
+        thumb: GenerateUrl([
+          FolderPaths.StaticPath,
+          FolderPaths.JobsFolder,
+          ro_number,
+          thumbPath,
+        ]),
+      };
+    })
+  );
 
   res.json(ret);
 }

jobs/jobsUploadMedia.ts

@@ -1,6 +1,7 @@
 import { Request, Response } from "express";
 import multer from "multer";
 import path from "path";
+import { logger } from "../server";
 import GenerateThumbnail from "../util/generateThumbnail";
 import { FolderPaths } from "../util/serverInit";
 import { JobsListMedia } from "./jobsListMedia";
@@ -13,7 +14,7 @@ export const JobMediaUploadMulter = multer({
       cb(null, DestinationFolder);
     },
     filename: function (req, file, cb) {
-      console.log(path.basename(file.originalname));
+      logger.info("Uploading file: ", path.basename(file.originalname));
       cb(
         null,
         `${file.originalname}-${Math.floor(Date.now() / 1000)}.${path.extname(
@@ -34,21 +35,11 @@ export async function jobsUploadMedia(req: Request, res: Response) {
         message: "No file uploaded",
       });
     } else {
-      const thumbnailGenerationQueue: Promise<void>[] = [];
+      const thumbnailGenerationQueue: Promise<string>[] = [];
 
       //for each file.path, generate the thumbnail.
       (req.files as Express.Multer.File[]).forEach((file) => {
-        thumbnailGenerationQueue.push(
-          GenerateThumbnail(
-            file.path,
-            path.join(
-              FolderPaths.Jobs,
-              ro_number,
-              FolderPaths.ThumbsSubDir,
-              file.originalname
-            )
-          )
-        );
+        thumbnailGenerationQueue.push(GenerateThumbnail(file.path));
       });
       await Promise.all(thumbnailGenerationQueue);
 

package.json

@@ -13,18 +13,26 @@
   "dependencies": {
     "@types/multer": "^1.4.7",
     "axios": "^0.24.0",
+    "bluebird": "^3.7.2",
     "body-parser": "^1.20.0",
     "cors": "2.8.5",
     "dotenv": "10.0.0",
     "express": "^4.17.3",
+    "file-type": "^16.5.3",
     "fs-extra": "^10.1.0",
+    "gm": "^1.23.1",
     "image-thumbnail": "^1.0.14",
-    "multer": "^1.4.4"
+    "morgan": "^1.10.0",
+    "multer": "^1.4.4",
+    "winston": "^3.7.2",
+    "winston-daily-rotate-file": "^4.6.1"
   },
   "devDependencies": {
     "@types/express": "^4.17.13",
     "@types/fs-extra": "^9.0.13",
+    "@types/gm": "^1.18.11",
     "@types/image-thumbnail": "^1.0.1",
+    "@types/morgan": "^1.9.3",
     "@types/node": "^16.11.32",
     "nodemon": "^2.0.15",
     "ts-node": "^10.7.0",

server.ts

@@ -1,26 +1,101 @@
 import bodyParser from "body-parser";
 import dotenv from "dotenv";
 import express, { Express } from "express";
-
-import { resolve } from "path";
+import winston from "winston";
+import path, { resolve } from "path";
 import JobRequestValidator from "./jobs/jobRequestValidator";
 import { JobsListMedia } from "./jobs/jobsListMedia";
 import { JobsMoveMedia } from "./jobs/jobsMoveMedia";
 import { JobMediaUploadMulter, jobsUploadMedia } from "./jobs/jobsUploadMedia";
 import InitServer, { FolderPaths } from "./util/serverInit";
+import DailyRotateFile from "winston-daily-rotate-file";
+import morgan from "morgan";
 
 dotenv.config({
   path: resolve(process.cwd(), `.env.${process.env.NODE_ENV || "development"}`),
 });
 
+export const logger = winston.createLogger({
+  format: winston.format.prettyPrint(),
+  level: "http",
+  levels: { ...winston.config.syslog.levels, http: 8 },
+  exceptionHandlers: [
+    new DailyRotateFile({
+      filename: path.join(FolderPaths.Root, "logs", "exceptions-%DATE%.log"),
+      datePattern: "YYYY-MM-DD-HH",
+      zippedArchive: true,
+      maxSize: "20m",
+      maxFiles: "14d",
+    }),
+  ],
+  rejectionHandlers: [
+    new DailyRotateFile({
+      filename: path.join(FolderPaths.Root, "logs", "rejections-%DATE%.log"),
+      datePattern: "YYYY-MM-DD-HH",
+      zippedArchive: true,
+      maxSize: "20m",
+      maxFiles: "14d",
+    }),
+  ],
+  transports: [
+    new DailyRotateFile({
+      filename: path.join(FolderPaths.Root, "logs", "errors-%DATE%.log"),
+      datePattern: "YYYY-MM-DD-HH",
+      zippedArchive: true,
+      maxSize: "20m",
+      maxFiles: "14d",
+      level: "error",
+    }),
+
+    new DailyRotateFile({
+      filename: path.join(FolderPaths.Root, "logs", "debug-%DATE%.log"),
+      datePattern: "YYYY-MM-DD-HH",
+      zippedArchive: true,
+      maxSize: "20m",
+      maxFiles: "14d",
+      level: "debug",
+    }),
+    new DailyRotateFile({
+      filename: path.join(FolderPaths.Root, "logs", "ALL-%DATE%.log"),
+      datePattern: "YYYY-MM-DD-HH",
+      zippedArchive: true,
+      maxSize: "20m",
+      maxFiles: "14d",
+    }),
+  ],
+});
+
+if (process.env.NODE_ENV !== "production") {
+  logger.add(
+    new winston.transports.Console({
+      format: winston.format.combine(
+        winston.format.colorize(),
+        winston.format.simple()
+      ),
+    })
+  );
+}
+
 const app: Express = express();
 const port = process.env.PORT;
 app.use(bodyParser.json({ limit: "50mb" }));
 app.use(bodyParser.urlencoded({ limit: "50mb", extended: true }));
 app.use(FolderPaths.StaticPath, express.static(FolderPaths.Root));
 
+const morganMiddleware = morgan(
+  "combined", //":method :url :status :res[content-length] - :response-time ms"
+  {
+    stream: {
+      write: (message) => logger.http(message.trim()),
+    },
+  }
+);
+
+app.use(morganMiddleware);
+
 app.get("/jobs/list", JobRequestValidator, JobsListMedia);
 //Chaining together the upload. When upload is succesful, everything for the RO is returned.
+
 app.post(
   "/jobs/upload", //JobRequestValidator,
   JobMediaUploadMulter.array("file"),
@@ -28,12 +103,11 @@ app.post(
 );
 app.post(
   "/jobs/move", //JobRequestValidator,
-
   JobsMoveMedia
 );
 
 InitServer();
 
 app.listen(port, () => {
-  console.log(`ImEX Media Server is running at http://localhost:${port}`);
+  logger.info(`ImEX Media Server is running at http://localhost:${port}`);
 });

util/generateThumbnail.ts

@@ -2,29 +2,73 @@ import fs from "fs-extra";
 import { access } from "fs/promises";
 import imageThumbnail from "image-thumbnail";
 import path from "path";
+import gm from "gm";
+import ft from "file-type";
+import core from "file-type/core";
+import GenerateUrl from "./MediaUrlGen";
+import { FolderPaths } from "./serverInit";
+var Bluebird = require("bluebird");
 
+Bluebird.promisifyAll(gm.prototype);
+
+/** @returns {string} Returns the relative path from the file to the thumbnail on the server. This must be converted to a URL. */
 export default async function GenerateThumbnail(
-  file: string,
-  thumbPath: string
+  file: string
+  //thumbPath: string
 ) {
+  const type: core.FileTypeResult | undefined = await ft.fromFile(file);
+  let thumbnailExtension: string = GetThumbnailExtension(type);
+  let thumbPath: string = path.join(
+    path.dirname(file),
+    FolderPaths.ThumbsSubDir,
+    path.parse(path.basename(file)).name + thumbnailExtension
+  );
+
   try {
     //Ensure the thumbs directory exists.
     await fs.ensureDir(path.dirname(thumbPath));
 
     try {
       await access(thumbPath);
-      return;
-      return;
+      return path.relative(path.dirname(file), thumbPath);
     } catch {}
 
-    const thumbnail = await imageThumbnail(file, {
-      responseType: "buffer",
-      height: 250,
-      width: 250,
-    });
+    //Check to see if the file is an image, PDF, or video.
 
-    await fs.writeFile(thumbPath, thumbnail);
+    if (type?.mime === "application/pdf") {
+      const fileOnDisk: Buffer = await fs.readFile(file);
+      await GeneratePdfThumbnail(file, thumbPath);
+    } else {
+      const thumbnail = await imageThumbnail(file, {
+        responseType: "buffer",
+        height: 250,
+        width: 250,
+      });
+
+      await fs.writeFile(thumbPath, thumbnail);
+    }
+    return path.relative(path.dirname(file), thumbPath);
   } catch (err) {
     console.error("Error when genenerating thumbnail:", thumbPath);
+    return path.relative(path.dirname(file), thumbPath);
   }
 }
+
+async function GeneratePdfThumbnail(file: string, thumbPath: string) {
+  const fileOnDisk: Buffer = await fs.readFile(file);
+  return new Promise<string>((resolve, reject) => {
+    const result = gm(fileOnDisk)
+      .setFormat("png")
+      .resize(200) // Resize to fixed 200px width, maintaining aspect ratio
+      .quality(75)
+      .write(thumbPath, (error) => {
+        if (error) reject(error.message);
+        resolve(thumbPath);
+      });
+  });
+}
+
+function GetThumbnailExtension(file: core.FileTypeResult | undefined) {
+  if (file === undefined) return ".png";
+  return ".png";
+}

util/serverInit.ts

@@ -2,6 +2,7 @@ import fs = require("fs-extra");
 import path, { resolve } from "path";
 import dotenv from "dotenv";
 import os from "os";
+import { logger } from "../server";
 
 dotenv.config({
   path: resolve(process.cwd(), `.env.${process.env.NODE_ENV || "development"}`),
@@ -21,10 +22,11 @@ export const FolderPaths = {
 };
 
 export default function InitServer() {
-  console.log(`Ensuring Root media path exists: ${FolderPaths.Root}`);
+  logger.info(`Ensuring Root media path exists: ${FolderPaths.Root}`);
   fs.ensureDirSync(FolderPaths.Root);
-  console.log(`Ensuring Jobs media path exists: ${FolderPaths.Jobs}`);
+  logger.info(`Ensuring Jobs media path exists: ${FolderPaths.Jobs}`);
   fs.ensureDirSync(FolderPaths.Jobs);
-  console.log(`Ensuring Vendors media path exists: ${FolderPaths.Vendors}`);
+  logger.info(`Ensuring Vendors media path exists: ${FolderPaths.Vendors}`);
   fs.ensureDirSync(FolderPaths.Vendors);
+  logger.info("Folder Paths", FolderPaths);
 }