photosite/src/generate.ts

338 lines
8.4 KiB
TypeScript

import 'dotenv/config';
import { createLog } from './log';
import type { Logger } from 'winston';
import { readFile, writeFile, readdir, realpath, rename } from 'fs/promises';
import { join, basename } from 'path';
import { promisify } from 'util';
import { v4 as uuid } from 'uuid';
import { randomBytes } from 'crypto';
import { tmpdir } from 'os';
import moment from 'moment';
import { ArgumentParser } from 'argparse';
import { Shell } from './shell';
import { Hashes } from './hash';
import { Files3 } from './files3'
import { envString } from './env';
import { DB } from './db';
import type { Photo, LatLng } from './db';
import { Geocode } from './geocode';
const sizeOf = promisify(require('image-size'));
interface Metadata {
year? : number;
month? : number;
day? : number;
format?: string;
filmstock?: string;
location? : string;
description? : string;
original?: string;
}
class Generate {
private log : Logger;
private files : string[];
private inbox : string = envString('INBOX', '~/Photos/toprocess');
private photos : string = envString('PHOTOS', '~/Photos/processed');
private artist : string = envString('ARTIST', 'Unknown');
private s3 : Files3;
private db : DB;
private geocode : Geocode;
private tmp : string = tmpdir();
private score : number;
constructor () {
this.log = createLog('generate');
const parser = new ArgumentParser({
description: 'Generate script'
});
parser.add_argument('-s', '--score', { type : 'int', default : 0, help: 'Starting score' });
const args : any = parser.parse_args();
this.log.info(`Generating site: ${new Date()}`);
this.db = new DB();
this.s3 = new Files3(envString('S3_BUCKET', 's3bucket'), true);
this.geocode = new Geocode(this.db);
this.generate();
this.score = args.score;
}
private async generate () {
let inbox : string;
let images : string[];
let filename : string;
let meta : Metadata;
let photo : Photo;
let exif : string;
try {
inbox = await realpath(this.inbox);
} catch (err) {
this.log.error(err);
return;
}
try {
images = await readdir(inbox);
} catch (err) {
this.log.error(err);
return;
}
images = images.filter((el : string) => {
if (el.toLowerCase().indexOf('.jpg') !== -1
|| el.toLowerCase().indexOf('.jpeg') !== -1
|| el.toLowerCase().indexOf('.tif') !== -1
|| el.toLowerCase().indexOf('.tiff') !== -1) {
return true;
}
return false;
});
if (images.length === 0) {
this.log.info(`No new images found`);
return;
}
images = await Promise.all(images.map(async (el : any) : Promise<string> => {
return await realpath(join(inbox, el));
})
);
for (let image of images) {
this.log.info(image);
filename = basename(image);
meta = this.parseFilename(filename);
try {
photo = await this.createPhoto(image, meta);
} catch (err) {
this.log.error(`Error creating photo record metadata`, err);
continue;
}
if (await this.db.existsName(filename)) {
this.log.info(`Image ${filename} already exists`);
if (await this.db.existsHash(photo.hash)) {
this.log.warn(`Image ${name} already exists, moving...`);
await this.move(image);
continue;
}
}
if (await this.db.existsHash(photo.hash)) {
this.log.warn(`Image exists under different name, update?`);
await this.move(image);
continue;
}
try {
await this.db.create(photo);
this.log.info(JSON.stringify(photo, null, '\t'));
} catch (err) {
this.log.error(`Error inserting photo into database`, err);
continue;
}
try {
await this.upload(image);
} catch (err) {
this.log.error(`Error uploading image`, err);
continue;
}
try {
exif = await this.exif(photo);
} catch (err) {
this.log.error(`Error building EXIF data`, err);
}
try {
await this.img(image, photo.id, exif);
} catch (err) {
this.log.error(`Error running img.sh script`, err);
}
await this.move(image);
}
}
//Artist string
//ImageTitle string
//ImageUniqueID string
//ISO int16u[n]
//DateTimeOriginal string (YYYY:MM:DD HH:MM:SS)
//
//GPSLatitude rational64u[3]
//GPSLongitude
private async exif (photo : Photo) : Promise<string> {
const filePath : string = await this.mktemp('photosite_exif');
const created : string = moment.unix(photo.created / 1000).format('YYYY:MM:DD HH:mm:ss');
let exif : string = `-Artist=${this.artist}
-Title=${photo.description}
-ImageUniqueId=${photo.id}
-DateTimeOriginal=${created}`
const iso : number[] = photo.filmstock.split(' ').filter(el => this.isOnlyNumbers(el)).map(el => parseInt(el)).filter(el => el > 25);
if (iso.length > 0) {
exif += `
-ISO=${iso}`
}
if (photo.latitude !== null && photo.longitude !== null) {
exif += `
-GPSLatitude=${photo.latitude}
-GPSLongitude=${photo.longitude}`
}
try {
await writeFile(filePath, exif, 'utf8');
} catch (err) {
this.log.error(`Error writing EXIF data`, err);
}
return filePath;
}
private async img (file : string, id : string, exif : string) {
const cmd : string[] = ['bash', 'scripts/img.sh', file, id, exif];
const shell : Shell = new Shell(cmd);
try {
await shell.execute();
} catch (err) {
this.log.error(err);
return;
}
this.log.info(`Processed image file for ${file}`);
}
async getImageDimensions (imagePath: string): Promise<{ width: number, height: number }> {
let dimensions : any;
try {
dimensions = await sizeOf(imagePath);
return dimensions;
} catch (err) {
this.log.error('Error getting image dimensions:', err);
}
}
private capitalize (str : string) : string {
return (str.substring(0, 1).toUpperCase()) + str.substring(1);
}
private formatProperNouns (str : string) : string {
let parts : string[] = str.split('-');
parts = parts.map(el => this.capitalize(el));
return parts.join(' ');
}
//year
//month
//day
//format
//filmstock
//location
//description
//original
//2024_12_02_35mm_Kodak-Gold-200_Somerville-MA_Walk-towards-Harvard-Square#000061280009.tif
private parseFilename (filename : string) : Metadata {
const halves : string[] = filename.split('#')
const parts : string[] = halves[0].split('_');
let meta : Metadata = {};
for (let i = 0; i < parts.length; i++) {
switch (i) {
case 0 :
meta.year = parseInt(parts[i]);
break;
case 1 :
meta.month = parseInt(parts[i]);
break;
case 2 :
meta.day = parseInt(parts[i]);
break;
case 3 :
meta.format = parts[i];
break;
case 4:
meta.filmstock = parts[i].split('-').join(' ');
break;
case 5 :
meta.location = parts[i].split('-').join(' ');
break;
case 6 :
meta.description = parts[i].split('-').join(' ');
break;
}
}
meta.original = halves[1];
return meta;
}
private async createPhoto (image : string, meta : Metadata) : Promise<Photo> {
const hash : string = await Hashes.fileHash(image);
const dimensions : any = await this.getImageDimensions(image);
const now : number = Date.now();
const latlng : LatLng = await this.geocode.query(meta.location);
return {
id : uuid(),
name : basename(image),
description : meta.description,
original: meta.original,
hash,
width : dimensions.width,
height : dimensions.height,
format : meta.format,
filmstock : meta.filmstock,
location : meta.location,
latitude : latlng === null ? null : latlng.latitude,
longitude : latlng === null ? null : latlng.longitude,
discovered : now,
updated : now,
created : + new Date(meta.year, meta.month, meta.day),
score : this.score
}
}
private async upload (image: string) {
const name : string = basename(image);
return this.s3.createFromPath(image, name);
}
private async move (image : string) {
const name : string = basename(image);
const dest : string = join(this.photos, name);
try {
await rename(image, dest);
this.log.info(`Moved image ${name} to outbox`);
} catch (err) {
this.log.error(`Error moving image`, err);
}
}
async mktemp (prefix : string = 'tmp') : Promise<string> {
const uniqueId = randomBytes(16).toString('hex');
const tempFilePath = join(this.tmp, `${prefix}-${uniqueId}`);
try {
await writeFile(tempFilePath, '', { flag: 'wx' });
return tempFilePath;
} catch (err) {
if (err.code === 'EEXIST') {
return this.mktemp(prefix);
} else {
throw err;
}
}
}
private isOnlyNumbers(str : string) : boolean {
return /^[0-9]+$/.test(str);
}
}
new Generate();