773 lines
26 KiB
JavaScript
Executable File
773 lines
26 KiB
JavaScript
Executable File
/**
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* scanner
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*
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* Face recognition:
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* 1. For each photo, extract all faces. Store face rectangles.
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* face_id unique
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* photo_id foreign key
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* top left bottom right
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* identity_id
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* distance (0 == truth; manually assigned identity)
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* 2. For each face_id, create:
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* normalized_file
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* original_file
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* 128 float
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*/
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"use strict";
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/* meta directories are not scanned for photos */
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const metaDirectories = [ "thumbs", "raw", "face-data", ".git", "corrupt" ];
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const Promise = require("bluebird"),
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fs = require("fs"),
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config = require("config"),
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moment = require("moment"),
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crypto = require("crypto"),
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{ stat, mkdir, exists } = require("./lib/util");
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let photoDB = null;
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const picturesPath = config.get("picturesPath").replace(/\/$/, "") + "/";
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let processQueue = [], triedClean = [], lastScan = new Date("1800-01-01");
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//const rawExtension = /\.(nef|orf)$/i, extensions = [ "jpg", "jpeg", "png", "gif", "nef", "orf" ];
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const rawExtension = /\.nef$/i, extensions = [ "jpg", "jpeg", "png", "gif", "nef" ];
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function removeNewerFile(path, fileA, fileB) {
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fs.stat(path + fileA, function(err, statsA) {
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if (err) {
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return;
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}
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fs.stat(path + fileB, function(err, statsB) {
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if (err) {
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return;
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}
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if (statsA.mtime > statsB.mtime) {
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setStatus("Removing file by moving to 'corrupt':" + fileA);
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moveCorrupt(path, fileA);
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} else {
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setStatus("Removing file by moving to 'corrupt':" + fileB);
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moveCorrupt(path, fileB);
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}
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});
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});
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}
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let processRunning = false;
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const { spawn } = require('child_process');
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const sharp = require("sharp"), exif = require("exif-reader");
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function convertRawToJpg(path, file) {
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setStatus("Converting " + path + file);
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path = picturesPath + path;
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return new Promise(function(resolve, reject) {
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return exists(path + file.replace(rawExtension, ".jpg")).then(function(exist) {
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if (exist) {
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setStatus("Skipping already converted file: " + file);
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return;
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}
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const ufraw = spawn("ufraw-batch", [
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"--silent",
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"--wb=camera",
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"--rotate=camera",
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"--out-type=jpg",
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"--compression=90",
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"--exif",
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"--overwrite",
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"--output", path + file.replace(rawExtension, ".jpg"),
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path + file
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]);
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const stderr = [];
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ufraw.stderr.on('data', function(data) {
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stderr.push(data);
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});
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return new Promise(function(ufraw, resolve, reject) {
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ufraw.on('exit', function(stderr, code, signal) {
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if (signal || code != 0) {
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let error = "UFRAW for " + path + file + " returned an error: " + code + "\n" + signal + "\n" + stderr.join("\n") + "\n";
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setStatus(error, "error");
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return moveCorrupt(path, file).then(function() {
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setStatus("ufraw failed", "warn");
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return reject(error);
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}).catch(function(error) {
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setStatus("moveCorrupt failed", "warn");
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return reject(error);
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});
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}
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return mkdir(path + "raw").then(function() {
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fs.rename(path + file, path + "raw/" + file, function(err) {
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if (err) {
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setStatus("Unable to move RAW file: " + path + file, "error");
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return reject(err);
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}
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return resolve();
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});
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}).catch(function(error) {
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setStatus("mkdir failed", "warn");
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return reject(error);
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});
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}.bind(this, ufraw));
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}.bind(this, stderr));
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});
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});
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}
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function moveCorrupt(path, file) {
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if (path.indexOf(picturesPath) != 0) {
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path = picturesPath + path;
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}
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setStatus("Moving corrupt file '" + file + "' to " + path + "corrupt", "warn");
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return mkdir(path + "corrupt").then(function() {
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return new Promise(function(resolve, reject) {
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fs.rename(path + file, path + "corrupt/" + file, function(err) {
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if (err) {
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setStatus("Unable to move corrupt file: " + path + file, "error");
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return reject(err);
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}
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return resolve();
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});
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});
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});
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}
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function processBlock(items) {
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if (items) {
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processQueue = processQueue.concat(items);
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}
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if (processRunning) {
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/* Invoke once per second to check if there are items to process */
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setTimeout(processBlock, 1000);
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return;
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}
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let processing = processQueue.splice(0), needsProcessing = [], duplicates = [];
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processRunning = true;
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/* Sort to newest files to be processed first */
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processing.sort(function(a, b) {
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return b.stats.mtime - a.stats.mtime;
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});
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let toProcess = processing.length, lastMessage = moment();
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setStatus("Items to be processed: " + toProcess);
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return Promise.mapSeries(processing, function(asset) {
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return computeHash(picturesPath + asset.album.path + asset.filename).then(function(hash) {
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asset.hash = hash;
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return asset;
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}).then(function(asset) {
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return photoDB.sequelize.query("SELECT photohashes.*,photos.filename,albums.path FROM photohashes " +
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"LEFT JOIN photos ON (photos.id=photohashes.photoId) " +
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"LEFT JOIN albums ON (albums.id=photos.albumId) " +
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"WHERE hash=:hash OR photoId=:id", {
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replacements: asset,
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type: photoDB.sequelize.QueryTypes.SELECT
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}).then(function(results) {
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let query;
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if (results.length == 0) {
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query = "INSERT INTO photohashes (hash,photoId) VALUES(:hash,:id)";
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} else if (results[0].hash != asset.hash) {
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query = "UPDATE photohashes SET hash=:hash WHERE photoId=:id";
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} else if (results[0].photoId != asset.id) {
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setStatus("Duplicate asset: " +
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"'" + asset.album.path + asset.filename + "' is a copy of " +
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"'" + results[0].path + results[0].filename + "'");
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if (asset.duplicate != results[0].photoId) {
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asset.duplicate = results[0].photoId;
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duplicates.push(asset);
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}
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return null;
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}
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/* Even if the hash doesn't need to be updated, the entry needs to be scanned */
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// console.log("process needed because of " + query);
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needsProcessing.push(asset);
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if (!query) {
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return asset;
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}
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return photoDB.sequelize.query(query, {
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replacements: asset,
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}).then(function() {
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return asset;
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});
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});
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}).then(function(asset) {
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if (!asset) { /* The processed entry is a DUPLICATE. Skip it. */
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return;
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}
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var path = asset.album.path,
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file = asset.filename,
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created = asset.stats.mtime,
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albumId = asset.album.id;
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let tmp = Promise.resolve(file);
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/* If this is a Nikon RAW file, convert it to JPG and move to /raw dir */
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if (rawExtension.exec(file)) {
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tmp = exists(picturesPath + path + file.replace(rawExtension, ".jpg")).then(function(exist) {
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if (exist) {
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return file.replace(rawExtension, ".jpg"); /* We converted from NEF/ORF => JPG */
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}
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return mkdir(picturesPath + path + "raw").then(function() {
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return convertRawToJpg(path, file);
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}).then(function() {
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return file.replace(rawExtension, ".jpg"); /* We converted from NEF/ORF => JPG */
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});
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});
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}
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return tmp.then(function(file) {
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var src = picturesPath + path + file,
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image = sharp(src);
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return image.limitInputPixels(1073741824).metadata().then(function(metadata) {
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if (metadata.exif) {
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metadata.exif = exif(metadata.exif);
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delete metadata.exif.thumbnail;
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delete metadata.exif.image;
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for (var key in metadata.exif.exif) {
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if (Buffer.isBuffer(metadata.exif.exif[key])) {
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metadata.exif.exif[key] = "Buffer[" + metadata.exif.exif[key].length + "]";
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}
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}
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}
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asset.width = metadata.width;
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asset.height = metadata.height;
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asset.added = moment().format();
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if (metadata.exif && metadata.exif.exif && metadata.exif.exif.DateTimeOriginal && !isNaN(metadata.exif.exif.DateTimeOriginal.valueOf())) {
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asset.taken = moment(metadata.exif.exif.DateTimeOriginal).format();
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asset.modified = moment(metadata.exif.exif.DateTimeOriginal).format();
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if (asset.taken == "Invalid date" || asset.taken.replace(/T.*/, "") == "1899-11-30") {
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setStatus("Invalid EXIF date information for " + asset.album.path + asset.filename);
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asset.taken = asset.modified = moment(created).format();
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}
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} else {
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/* Attempt to infer the datestamp from the filename */
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let date = moment(created).format();
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let match = file.match(/WhatsApp Image (20[0-9][0-9]-[0-9][0-9]-[0-9][0-9]) at (.*).(jpeg|jpg)/);
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if (match) {
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date = moment((match[1]+" "+match[2]), "YYYY-MM-DD h.mm.ss a").format();
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if (date == "Invalid date") {
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date = moment(created).format();
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}
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} else {
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match = file.match(/(20[0-9][0-9]-?[0-9][0-9]-?[0-9][0-9])[_\-]?([0-9]{6})?/);
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if (match) {
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if (match[2]) { /* Stamp had time in it */
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date = moment((match[1]+""+match[2]).replace(/-/g, ""), "YYYYMMDDHHmmss").format();
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} else {
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date = moment(match[1].replace(/-/g, ""), "YYYYMMDD").format();
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}
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if (date == "Invalid date") {
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date = moment(created).format();
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}
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} else {
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date = moment(created).format();
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}
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}
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asset.taken = asset.modified = date;
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}
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let dst = picturesPath + path + "thumbs/" + file;
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return exists(dst).then(function(exist) {
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if (exist) {
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return;
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}
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return image.resize(256, 256).withMetadata().toFile(dst).catch(function(error) {
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setStatus("Error resizing image: " + dst + "\n" + error, "error");
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throw error;
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});
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}).then(function() {
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let dst = picturesPath + path + "thumbs/scaled/" + file;
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return exists(dst).then(function(exist) {
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if (exist) {
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return;
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}
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return image.resize(Math.min(1024, metadata.width)).withMetadata().toFile(dst).catch(function(error) {
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setStatus("Error resizing image: " + dst + "\n" + error, "error");
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throw error;
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});
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});
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}).then(function() {
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return photoDB.sequelize.query("UPDATE photos SET " +
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"added=:added,modified=:modified,taken=:taken,width=:width,height=:height,size=:size,scanned=CURRENT_TIMESTAMP " +
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"WHERE id=:id", {
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replacements: asset,
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});
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});
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}).catch(function(error) {
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setStatus("Error reading image " + src + ":\n" + error, "error");
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return moveCorrupt(path, file).then(function() {
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/* If the original file was not a NEF/ORF, we are done... */
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if (!rawExtension.exec(asset.filename)) {
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return;
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}
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/* ... otherwise, attempt to re-convert the NEF/ORF->JPG and then resize again */
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for (var i = 0; i < triedClean.length; i++) {
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if (triedClean[i] == path + file) {
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/* Move the NEF/ORF to /corrupt as well so it isn't re-checked again and again... */
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// return moveCorrupt(path, asset.filename);
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setStatus("Already attempted to convert NEF/ORF to JPG: " + path + file, "error");
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return;
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}
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}
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setStatus("Adding " + path + file + " back onto processing queue.", "error");
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triedClean.push(path + file);
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processBlock([ path, file, created, albumId ]);
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});
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});
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}).catch(function() {
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setStatus("Continuing file processing.", "warn");
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});
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}).then(function() {
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toProcess--;
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if (moment().add(-5, 'seconds') > lastMessage) {
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setStatus("Items to be processed: " + toProcess);
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lastMessage = moment();
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}
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});
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}).catch(function(error) {
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setStatus("Error processing file. Continuing.", "error");
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throw error;
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}).then(function() {
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setStatus("Completed processing queue. Marking " + duplicates.length + " duplicates.");
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return photoDB.sequelize.transaction(function(transaction) {
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return Promise.mapSeries(duplicates, function(asset) {
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return photoDB.sequelize.query("UPDATE photos " +
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"SET duplicate=:duplicate,modified=CURRENT_TIMESTAMP,scanned=CURRENT_TIMESTAMP WHERE id=:id", {
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replacements: asset,
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transaction: transaction
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});
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});
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});
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}).then(function() {
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setStatus("Looking for removed assets");
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return photoDB.sequelize.query("SELECT photos.scanned,photos.id,photos.filename,albums.path FROM photos " +
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"LEFT JOIN albums ON (albums.id=photos.albumId) " +
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"WHERE photos.deleted=0 AND (DATETIME(photos.scanned)<DATETIME(:lastScan) OR photos.scanned IS NULL)", {
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replacements: {
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lastScan: lastScan
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},
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type: photoDB.sequelize.QueryTypes.SELECT
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}).then(function(results) {
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let deleted = [];
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setStatus("Checking " + results.length + " assets to see if they are on disk.");
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return Promise.map(results, function(asset) {
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return exists(asset.path + asset.filename).then(function(exist) {
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if (!exist) {
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setStatus(asset.path + asset.filename + " no longer exists on disk. Marking as deleted.");
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deleted.push(asset.id);
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}
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});
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}).then(function() {
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return photoDB.sequelize.query("UPDATE photos SET deleted=1,scanned=CURRENT_TIMESTAMP WHERE id IN (:deleted)", {
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replacements: {
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deleted: deleted
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}
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}).then(function() {
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return photoDB.sequelize.query("DELETE FROM photohashes WHERE photoId IN (:deleted)", {
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replacements: {
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deleted: deleted
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}
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});
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}).then(function() {
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setStatus(deleted.length + " assets deleted.");
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});
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});
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});
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}).then(function() {
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processRunning = false;
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});
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}
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function scanDir(parent, path) {
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let re = new RegExp("\.((" + extensions.join(")|(") + "))$", "i"),
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album = {
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path: path.slice(picturesPath.length), /* path already ends in '/' */
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name: path.replace(/\/$/, "").replace(/.*\//, "").replace(/_/g, " "),
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parent: parent,
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allAssetCount: 0,
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allAlbumCount: 0
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}, albums = [ album ], assets = [];
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return new Promise(function(resolve, reject) {
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fs.readdir(path, function(error, files) {
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if (error) {
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setStatus("Could not readdir: " + path, "warn");
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return resolve([]);
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}
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/* Remove meta-data directories from being processed */
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files = files.filter((file) => {
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for (var i = 0; i < files.length; i++) {
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/* If this file has an original NEF/ORF on the system, don't add the JPG to the DB */
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if (rawExtension.exec(files[i]) && file == files[i].replace(rawExtension, ".jpg")) {
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return false;
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}
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/* If there is a different CASE (eg. JPG vs jpg) don't add it, and remove the 'lower case'
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* version from disk. */
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if (file != files[i] && file.toUpperCase() == files[i]) {
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removeNewerFile(path, file, files[i]);
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setStatus("Duplicate file in " + path + ": ", file, files[i]);
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return false;
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}
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}
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return metaDirectories.indexOf(file) == -1;
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});
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return resolve(files);
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});
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}).then(function(files) {
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return Promise.map(files, function(file) {
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let filepath = path + file;
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return stat(filepath).then(function(stats) {
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if (stats.isDirectory()) {
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filepath += "/";
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return scanDir(album, filepath).spread(function(_albums, _assets) {
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album.allAssetCount += _assets.length;
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album.allAlbumCount += _albums.length + 1;
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albums = albums.concat(_albums);
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assets = assets.concat(_assets);
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}).catch(function(error) {
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setStatus("Could not scanDir " + filepath + ": " + error, "error");
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});
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}
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/* Check file extensions */
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if (!re.exec(file)) {
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return;
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}
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album.hasAssets = true;
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assets.push({
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filename: file.replace(rawExtension, ".jpg"), /* We will be converting from NEF/ORF => JPG */
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name: file.replace(/.[^.]*$/, ""),
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stats: {
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mtime: stats.mtime,
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ctime: stats.ctime
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},
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size: stats.size,
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album: album
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});
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});
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});
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}).then(function() {
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return Promise.map(albums, function(album) {
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if (album.hasAssets) {
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return mkdir(album.path + "thumbs/scaled");
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}
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});
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}).then(function() {
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return [ albums, assets ];
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});
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}
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function findOrCreateDBAlbum(transaction, album) {
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let query = "SELECT id FROM albums WHERE path=:path AND ";
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if (!album.parent) {
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query += "parentId IS NULL";
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album.parentId = null;
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} else {
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if (!album.parent.id) {
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let error = "Albums in array in non ancestral order!";
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setStatus(error, "error");
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throw error;
|
|
}
|
|
album.parentId = album.parent.id;
|
|
query += "parentId=:parentId";
|
|
}
|
|
|
|
return photoDB.sequelize.query(query, {
|
|
replacements: album,
|
|
type: photoDB.sequelize.QueryTypes.SELECT
|
|
}).then(function(results) {
|
|
if (results.length == 0) {
|
|
if (!album.parent) {
|
|
setStatus("Creating top level album: " + picturesPath, "warn" );
|
|
}
|
|
return photoDB.sequelize.query("INSERT INTO albums (path,parentId,name) VALUES(:path,:parentId,:name)", {
|
|
replacements: album,
|
|
transaction: transaction
|
|
}).spread(function(results, metadata) {
|
|
return metadata.lastID;
|
|
});
|
|
} else {
|
|
return results[0].id;
|
|
}
|
|
}).then(function(id) {
|
|
album.id = id;
|
|
return id;
|
|
});
|
|
}
|
|
|
|
function findOrUpdateDBAsset(transaction, asset) {
|
|
if (!asset.album || !asset.album.id) {
|
|
let error = "Asset being processed without an album";
|
|
setStatus(error, "warn");
|
|
throw error;
|
|
}
|
|
|
|
asset.albumId = asset.album.id;
|
|
|
|
return photoDB.sequelize.query(
|
|
"SELECT id,DATETIME(scanned) AS scanned,size,DATETIME(modified) AS modified " +
|
|
"FROM photos " +
|
|
"WHERE albumId=:albumId AND filename=:filename", {
|
|
replacements: asset,
|
|
type: photoDB.sequelize.QueryTypes.SELECT
|
|
}).then(function(results) {
|
|
if (results.length == 0) {
|
|
return photoDB.sequelize.query("INSERT INTO photos " +
|
|
"(albumId,filename,name,size) VALUES(:albumId,:filename,:name,:size)", {
|
|
replacements: asset,
|
|
transaction: transaction
|
|
}).spread(function(results, metadata) {
|
|
asset.id = metadata.lastID;
|
|
});
|
|
}
|
|
|
|
asset.id = results[0].id;
|
|
asset.scanned = new Date(results[0].scanned);
|
|
asset.modified = new Date(results[0].modified);
|
|
|
|
/* If the size on disk changed, update the size entry in the DB. This shouldn't happen in
|
|
* production unless someone modifies the file, then re-stamps the modified time */
|
|
if (asset.size != results[0].size) {
|
|
setStatus("File was modified with time-restamp (HASH regeneration will be queued): " + asset.filename);
|
|
delete asset.scanned;
|
|
delete asset.modified;
|
|
}
|
|
}).then(function() {
|
|
return asset;
|
|
});
|
|
}
|
|
|
|
function computeHash(filepath) {
|
|
return new Promise(function(resolve, reject) {
|
|
let input = fs.createReadStream(filepath),
|
|
hash = crypto.createHash("sha256");
|
|
|
|
if (!input) {
|
|
console.warn("Unable to open " + filepath);
|
|
return reject();
|
|
}
|
|
|
|
input.on("error", function(error) {
|
|
console.warn("Error reading " + filepath);
|
|
reject(error);
|
|
});
|
|
|
|
input.on("readable", function() {
|
|
const data = input.read();
|
|
if (data) {
|
|
hash.update(data);
|
|
} else {
|
|
input.close();
|
|
resolve(hash.digest("hex"));
|
|
hash = null;
|
|
input = null;
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
let scanningStatus = [];
|
|
|
|
function setStatus(status, level) {
|
|
if (status == "idle") {
|
|
scanningStatus = [];
|
|
return;
|
|
}
|
|
|
|
level = level || "info";
|
|
scanningStatus.push({
|
|
level: level,
|
|
time: moment().format(),
|
|
log: status
|
|
});
|
|
switch (level) {
|
|
case "error":
|
|
console.error(status);
|
|
break;
|
|
case "warn":
|
|
console.warn(status);
|
|
break;
|
|
default:
|
|
console.log(status);
|
|
}
|
|
}
|
|
|
|
function doScan() {
|
|
/* 1. Scan for all assets which will be managed by the system. readdir
|
|
* 2. Check if entry in DB. Check mod-time in DB vs. stats from #1
|
|
* - For albums
|
|
* - For assets
|
|
* 3. If not in DB, or mod-time changed, queue for HASH CHECK
|
|
*
|
|
* HASH CHECK
|
|
* 1. Compute HASH
|
|
* 2. Check for HASH in photohash -- skip?
|
|
* 3. Check for and create thumbs/FILE thumbs/scaled/FILE
|
|
* 4. If necessary, create JPG from RAW
|
|
* 5. Update last-scanned date in DB for entry
|
|
* 6. Look up all DB entries with last-scanned date < NOW -- purge from DB (they were
|
|
* removed on disk)? Also purge from the HASH table.
|
|
*/
|
|
let initialized = Date.now();
|
|
let now = Date.now();
|
|
let needsProcessing = [];
|
|
|
|
if (scanningStatus.length != 0) {
|
|
return Promise.resolve(scanningStatus);
|
|
}
|
|
|
|
return scanDir(null, picturesPath).spread(function(albums, assets) {
|
|
setStatus("Found " + assets.length + " assets in " + albums.length + " albums after " +
|
|
((Date.now() - now) / 1000) + "s");
|
|
/* One at a time, in series, as the album[] array has parents first, then descendants.
|
|
* Operating in parallel could result in a child being searched for prior to the parent */
|
|
now = Date.now();
|
|
|
|
let toProcess = albums.length, lastMessage = moment();
|
|
return photoDB.sequelize.transaction(function(transaction) {
|
|
return Promise.mapSeries(albums, function(album) {
|
|
return findOrCreateDBAlbum(transaction, album).then(function() {
|
|
toProcess--;
|
|
if (moment().add(-5, 'seconds') > lastMessage) {
|
|
setStatus("Albums to be created in DB: " + toProcess);
|
|
lastMessage = moment();
|
|
}
|
|
});
|
|
});
|
|
}).then(function() {
|
|
setStatus("Processed " + albums.length + " album DB entries in " +
|
|
((Date.now() - now) / 1000) + "s");
|
|
now = Date.now();
|
|
|
|
setStatus(assets.length + " assets remaining to be verified/updated. ETA N/A");
|
|
|
|
let processed = 0, start = Date.now(), last = 0, updateScanned = [], newEntries = 0;
|
|
return photoDB.sequelize.transaction(function(transaction) {
|
|
return Promise.map(assets, function(asset) {
|
|
return Promise.resolve(asset).then(function(asset) {
|
|
/* If both mtime and ctime of the asset are older than the lastScan, skip it
|
|
*
|
|
* Can only do this after a full scan has occurred */
|
|
if (lastScan != null && asset.stats.mtime < lastScan && asset.stats.ctime < lastScan) {
|
|
return asset;
|
|
}
|
|
|
|
return findOrUpdateDBAsset(transaction, asset).then(function(asset) {
|
|
if (!asset.scanned) {
|
|
newEntries++;
|
|
}
|
|
if (!asset.scanned || asset.scanned < asset.stats.mtime || !asset.modified) {
|
|
// if (!asset.scanned) { console.log("no scan date on asset"); }
|
|
// if (asset.scanned < asset.stats.mtime) { console.log("scan date older than mtime"); }
|
|
// if (!asset.modified) { console.log("no mtime."); }
|
|
needsProcessing.push(asset);
|
|
} else {
|
|
updateScanned.push(asset.id);
|
|
}
|
|
return asset;
|
|
}).then(function(asset) {
|
|
return asset;
|
|
});
|
|
}).then(function(asset) {
|
|
processed++;
|
|
|
|
let elapsed = Date.now() - start;
|
|
if (elapsed < 5000) {
|
|
return asset;
|
|
}
|
|
|
|
let remaining = assets.length - processed, eta = Math.ceil((elapsed / 1000) * remaining / (processed - last));
|
|
setStatus(remaining + " assets remaining be verified/updated " +
|
|
"(" + newEntries + " new entries, " + needsProcessing.length + " need processing," + (processed - newEntries) + " up-to-date so far). ETA " + eta + "s");
|
|
last = processed;
|
|
start = Date.now();
|
|
});
|
|
}, {
|
|
concurrency: 10
|
|
});
|
|
}).then(function() {
|
|
if (updateScanned.length) {
|
|
return photoDB.sequelize.query("UPDATE photos SET scanned=CURRENT_TIMESTAMP WHERE id IN (:ids)", {
|
|
replacements: {
|
|
ids: updateScanned
|
|
}
|
|
}).then(function() {
|
|
setStatus("Updated scan date of " + updateScanned.length + " assets");
|
|
updateScanned = [];
|
|
});
|
|
}
|
|
}).then(function() {
|
|
setStatus(newEntries + " assets are new. " + (needsProcessing.length - newEntries) + " assets have been modified.\n" +
|
|
needsProcessing.length + " assets need HASH computed. " + (assets.length - needsProcessing.length) + " need no update.");;
|
|
processBlock(needsProcessing);
|
|
needsProcessing = [];
|
|
}).then(function() {
|
|
setStatus("Scanned " + assets.length + " asset DB entries in " +
|
|
((Date.now() - now) / 1000) + "s");
|
|
assets = [];
|
|
});
|
|
});
|
|
}).then(function() {
|
|
setStatus("Total time to initialize DB and all scans: " + ((Date.now() - initialized) / 1000) + "s");
|
|
return photoDB.sequelize.query("SELECT max(scanned) AS scanned FROM photos", {
|
|
type: photoDB.sequelize.QueryTypes.SELECT
|
|
}).then(function(results) {
|
|
if (results[0].scanned == null) {
|
|
lastScan = new Date("1800-01-01");
|
|
} else {
|
|
lastScan = new Date(results[0].scanned);
|
|
}
|
|
setStatus("Updating any asset newer than " + moment(lastScan).format());
|
|
});
|
|
}).then(function() {
|
|
setStatus("idle");
|
|
return "scan complete";
|
|
}).catch(function(error) {
|
|
setStatus(error);
|
|
throw error;
|
|
});
|
|
}
|
|
|
|
module.exports = {
|
|
init: function(db) {
|
|
photoDB = db;
|
|
},
|
|
scan: doScan
|
|
};
|
|
|