383 lines
9.7 KiB
Dart
383 lines
9.7 KiB
Dart
import 'dart:convert';
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import 'dart:core';
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import 'package:flutter/foundation.dart';
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import "package:photos/models/metadata/collection_magic.dart";
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import "package:photos/models/metadata/common_keys.dart";
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class Collection {
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final int id;
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final User? owner;
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final String encryptedKey;
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final String? keyDecryptionNonce;
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final String? name;
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// encryptedName & nameDecryptionNonce will be null for collections
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// created before we started encrypting collection name
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final String? encryptedName;
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final String? nameDecryptionNonce;
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final CollectionType type;
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final CollectionAttributes attributes;
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final List<User?>? sharees;
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final List<PublicURL?>? publicURLs;
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final int updationTime;
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final bool isDeleted;
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String? mMdEncodedJson;
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String? mMdPubEncodedJson;
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int mMdVersion = 0;
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int mMbPubVersion = 0;
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CollectionMagicMetadata? _mmd;
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CollectionPubMagicMetadata? _pubMmd;
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CollectionMagicMetadata get magicMetadata =>
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_mmd ?? CollectionMagicMetadata.fromEncodedJson(mMdEncodedJson ?? '{}');
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CollectionPubMagicMetadata get pubMagicMetadata =>
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_pubMmd ??
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CollectionPubMagicMetadata.fromEncodedJson(mMdPubEncodedJson ?? '{}');
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set magicMetadata(CollectionMagicMetadata? val) => _mmd = val;
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set pubMagicMetadata(CollectionPubMagicMetadata? val) => _pubMmd = val;
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Collection(
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this.id,
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this.owner,
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this.encryptedKey,
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this.keyDecryptionNonce,
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this.name,
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this.encryptedName,
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this.nameDecryptionNonce,
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this.type,
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this.attributes,
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this.sharees,
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this.publicURLs,
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this.updationTime, {
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this.isDeleted = false,
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});
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bool isArchived() {
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return mMdVersion > 0 && magicMetadata.visibility == archiveVisibility;
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}
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// hasLink returns true if there's any link attached to the collection
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// including expired links
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bool get hasLink => publicURLs != null && publicURLs!.isNotEmpty;
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// hasSharees returns true if the collection is shared with other ente users
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bool get hasSharees => sharees != null && sharees!.isNotEmpty;
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bool isHidden() {
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if (isDefaultHidden()) {
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return true;
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}
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return mMdVersion > 0 && (magicMetadata.visibility == hiddenVisibility);
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}
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bool isDefaultHidden() {
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return (magicMetadata.subType ?? 0) == subTypeDefaultHidden;
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}
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bool isSharedFilesCollection() {
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return (magicMetadata.subType ?? 0) == subTypeSharedFilesCollection;
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}
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List<User> getSharees() {
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final List<User> result = [];
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if (sharees == null) {
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return result;
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}
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for (final User? u in sharees!) {
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if (u != null) {
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result.add(u);
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}
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}
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return result;
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}
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bool isOwner(int userID) {
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return (owner?.id ?? 0) == userID;
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}
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String get collectionName => name ?? "Unnamed collection";
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void updateSharees(List<User> newSharees) {
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sharees?.clear();
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sharees?.addAll(newSharees);
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}
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static CollectionType typeFromString(String type) {
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switch (type) {
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case "folder":
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return CollectionType.folder;
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case "favorites":
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return CollectionType.favorites;
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case "uncategorized":
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return CollectionType.uncategorized;
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case "album":
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return CollectionType.album;
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case "unknown":
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return CollectionType.unknown;
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}
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debugPrint("unexpected collection type $type");
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return CollectionType.unknown;
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}
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static String typeToString(CollectionType type) {
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switch (type) {
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case CollectionType.folder:
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return "folder";
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case CollectionType.favorites:
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return "favorites";
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case CollectionType.album:
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return "album";
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case CollectionType.uncategorized:
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return "uncategorized";
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case CollectionType.unknown:
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return "unknown";
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}
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}
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Collection copyWith({
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int? id,
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User? owner,
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String? encryptedKey,
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String? keyDecryptionNonce,
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String? name,
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String? encryptedName,
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String? nameDecryptionNonce,
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CollectionType? type,
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CollectionAttributes? attributes,
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List<User>? sharees,
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List<PublicURL>? publicURLs,
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int? updationTime,
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bool? isDeleted,
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String? mMdEncodedJson,
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int? mMdVersion,
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}) {
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final Collection result = Collection(
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id ?? this.id,
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owner ?? this.owner,
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encryptedKey ?? this.encryptedKey,
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keyDecryptionNonce ?? this.keyDecryptionNonce,
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name ?? this.name,
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encryptedName ?? this.encryptedName,
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nameDecryptionNonce ?? this.nameDecryptionNonce,
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type ?? this.type,
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attributes ?? this.attributes,
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sharees ?? this.sharees,
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publicURLs ?? this.publicURLs,
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updationTime ?? this.updationTime,
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isDeleted: isDeleted ?? this.isDeleted,
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);
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result.mMdVersion = mMdVersion ?? this.mMdVersion;
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result.mMdEncodedJson = mMdEncodedJson ?? this.mMdEncodedJson;
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result.mMbPubVersion = mMbPubVersion;
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result.mMdPubEncodedJson = mMdPubEncodedJson;
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return result;
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}
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Map<String, dynamic> toMap() {
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return {
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'id': id,
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'owner': owner?.toMap(),
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'encryptedKey': encryptedKey,
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'keyDecryptionNonce': keyDecryptionNonce,
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'name': name,
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'encryptedName': encryptedName,
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'nameDecryptionNonce': nameDecryptionNonce,
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'type': typeToString(type),
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'attributes': attributes.toMap(),
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'sharees': sharees?.map((x) => x?.toMap()).toList(),
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'publicURLs': publicURLs?.map((x) => x?.toMap()).toList(),
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'updationTime': updationTime,
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'isDeleted': isDeleted,
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};
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}
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static fromMap(Map<String, dynamic>? map) {
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if (map == null) return null;
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final sharees = (map['sharees'] == null || map['sharees'].length == 0)
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? <User>[]
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: List<User>.from(map['sharees'].map((x) => User.fromMap(x)));
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final publicURLs =
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(map['publicURLs'] == null || map['publicURLs'].length == 0)
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? <PublicURL>[]
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: List<PublicURL>.from(
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map['publicURLs'].map((x) => PublicURL.fromMap(x)),
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);
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return Collection(
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map['id'],
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User.fromMap(map['owner']),
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map['encryptedKey'],
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map['keyDecryptionNonce'],
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map['name'],
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map['encryptedName'],
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map['nameDecryptionNonce'],
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typeFromString(map['type']),
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CollectionAttributes.fromMap(map['attributes']),
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sharees,
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publicURLs,
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map['updationTime'],
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isDeleted: map['isDeleted'] ?? false,
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);
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}
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}
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enum CollectionType {
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folder,
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favorites,
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uncategorized,
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album,
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unknown,
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}
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extension CollectionTypeExtn on CollectionType {
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bool get canDelete =>
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this != CollectionType.favorites && this != CollectionType.uncategorized;
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}
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enum CollectionParticipantRole {
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unknown,
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viewer,
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collaborator,
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owner,
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}
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extension CollectionParticipantRoleExtn on CollectionParticipantRole {
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static CollectionParticipantRole fromString(String? val) {
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if ((val ?? '') == '') {
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return CollectionParticipantRole.viewer;
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}
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for (var x in CollectionParticipantRole.values) {
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if (x.name.toUpperCase() == val!.toUpperCase()) {
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return x;
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}
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}
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return CollectionParticipantRole.unknown;
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}
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String toStringVal() {
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return name.toUpperCase();
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}
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}
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class CollectionAttributes {
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final String? encryptedPath;
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final String? pathDecryptionNonce;
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final int? version;
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CollectionAttributes({
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this.encryptedPath,
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this.pathDecryptionNonce,
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this.version,
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});
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Map<String, dynamic> toMap() {
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final map = <String, dynamic>{};
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if (encryptedPath != null) {
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map['encryptedPath'] = encryptedPath;
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}
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if (pathDecryptionNonce != null) {
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map['pathDecryptionNonce'] = pathDecryptionNonce;
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}
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map['version'] = version ?? 0;
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return map;
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}
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static fromMap(Map<String, dynamic>? map) {
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if (map == null) return null;
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return CollectionAttributes(
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encryptedPath: map['encryptedPath'],
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pathDecryptionNonce: map['pathDecryptionNonce'],
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version: map['version'] ?? 0,
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);
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}
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}
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class User {
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int? id;
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String email;
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String? name;
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String? role;
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User({
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this.id,
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required this.email,
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this.name,
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this.role,
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});
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bool get isViewer => role == null || role?.toUpperCase() == 'VIEWER';
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bool get isCollaborator =>
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role != null && role?.toUpperCase() == 'COLLABORATOR';
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Map<String, dynamic> toMap() {
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return {'id': id, 'email': email, 'name': name, 'role': role};
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}
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static fromMap(Map<String, dynamic>? map) {
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if (map == null) return null;
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return User(
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id: map['id'],
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email: map['email'],
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name: map['name'],
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role: map['role'] ?? 'VIEWER',
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);
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}
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String toJson() => json.encode(toMap());
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factory User.fromJson(String source) => User.fromMap(json.decode(source));
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}
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class PublicURL {
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String url;
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int deviceLimit;
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int validTill;
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bool enableDownload;
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bool enableCollect;
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bool passwordEnabled;
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PublicURL({
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required this.url,
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required this.deviceLimit,
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required this.validTill,
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this.enableDownload = true,
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this.passwordEnabled = false,
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this.enableCollect = false,
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});
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Map<String, dynamic> toMap() {
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return {
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'url': url,
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'deviceLimit': deviceLimit,
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'validTill': validTill,
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'enableDownload': enableDownload,
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'passwordEnabled': passwordEnabled,
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'enableCollect': enableCollect,
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};
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}
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bool get hasExpiry => validTill != 0;
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// isExpired indicates whether the link has expired or not
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bool get isExpired =>
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hasExpiry && validTill < DateTime.now().microsecondsSinceEpoch;
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static fromMap(Map<String, dynamic>? map) {
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if (map == null) return null;
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return PublicURL(
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url: map['url'],
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deviceLimit: map['deviceLimit'],
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validTill: map['validTill'] ?? 0,
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enableDownload: map['enableDownload'] ?? true,
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passwordEnabled: map['passwordEnabled'] ?? false,
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enableCollect: map['enableCollect'] ?? false,
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);
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}
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}
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