ente/mobile/lib/core/constants.dart

import "package:flutter/foundation.dart";

const int thumbnailSmallSize = 256;
const int thumbnailQuality = 50;
const int thumbnailLargeSize = 512;
const int compressedThumbnailResolution = 1080;
const int thumbnailDataLimit = 100 * 1024;
const String sentryDSN =
    "https://2235e5c99219488ea93da34b9ac1cb68@sentry.ente.io/4";
const String sentryDebugDSN =
    "https://ca5e686dd7f149d9bf94e620564cceba@sentry.ente.io/3";
const String sentryTunnel = "https://sentry-reporter.ente.io";
const String githubDiscussionsUrl =
    "https://github.com/ente-io/ente/discussions";
const int microSecondsInDay = 86400000000;
const int android11SDKINT = 30;
const int jan011981Time = 347155200000000;
const int galleryLoadStartTime = -8000000000000000; // Wednesday, March 6, 1748
const int galleryLoadEndTime = 9223372036854775807; // 2^63 -1
const int batchSize = 1000;
const int batchSizeCopy = 100;
const photoGridSizeDefault = 4;
const photoGridSizeMin = 2;
const photoGridSizeMax = 6;
const subGalleryMultiplier = 10;

// used to identify which ente file are available in app cache
// todo: 6Jun22: delete old media identifier after 3 months
const String oldSharedMediaIdentifier = 'ente-shared://';
const String sharedMediaIdentifier = 'ente-shared-media://';

const thumbnailDiskLoadDeferDuration = Duration(milliseconds: 40);
const thumbnailServerLoadDeferDuration = Duration(milliseconds: 80);

// 256 bit key maps to 24 words
// https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki#Generating_the_mnemonic
const mnemonicKeyWordCount = 24;

// https://stackoverflow.com/a/61162219
const dragSensitivity = 8;

const supportEmail = 'support@ente.io';

// this is the chunk size of the un-encrypted file which is read and encrypted before uploading it as a single part.
const multipartPartSize = 20 * 1024 * 1024;
const multipartPartSizeInternal = 8 * 1024 * 1024;

const kDefaultProductionEndpoint = 'https://api.ente.io';

const int intMaxValue = 9223372036854775807;

//Screen width of iPhone 14 pro max in points is taken as maximum
const double restrictedMaxWidth = 430;

const double mobileSmallThreshold = 336;

// Note: 0 indicates no device limit
const publicLinkDeviceLimits = [0, 50, 25, 10, 5, 2, 1];

const kilometersPerDegree = 111.16;

const defaultRadiusValues = <double>[1, 2, 10, 20, 40, 80, 200, 400, 1200];

const defaultRadiusValue = 40.0;

const defaultCityRadius = 10.0;

const galleryGridSpacing = 2.0;

const kSearchSectionLimit = 9;

const maxPickAssetLimit = 50;

const iOSGroupID = "group.io.ente.frame.SlideshowWidget";

const blackThumbnailBase64 = '/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAEBAQEBAQEB'
        'AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQH/2wBDAQEBAQEBAQ'
        'EBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQH/wAARC'
        'ACWASwDAREAAhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUF'
        'BAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk' +
    '6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztL' +
    'W2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEAAwEBAQEBAQEBAQAAA' +
    'AAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVY' +
    'nLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImK' +
    'kpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oAD' +
    'AMBAAIRAxEAPwD/AD/6ACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKA' +
    'CgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACg' +
    'AoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKAC' +
    'gAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAo' +
    'AKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACg' +
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    'CgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKA' +
    'CgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoA' +
    'KACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACg' +
    'AoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAo' +
    'AKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKA' +
    'CgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAK' +
    'ACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoA' +
    'KACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAo' +
    'AKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAo' +
    'AKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgAoAKACgD/9k=';

const localFileServer =
    String.fromEnvironment("localFileServer", defaultValue: "");

const uploadTempFilePrefix = "upload_file_";
final tempDirCleanUpInterval = kDebugMode
    ? const Duration(seconds: 30).inMicroseconds
    : const Duration(hours: 6).inMicroseconds;