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81 lines
2.0 KiB
81 lines
2.0 KiB
/// Data model representing a user session.
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///
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/// This model stores user identification and authentication information
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/// for session management and data isolation.
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class User {
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/// Unique identifier for the user.
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final String id;
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/// Display name or username for the user.
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final String username;
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/// Optional authentication token or session token.
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final String? token;
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/// Timestamp when the session was created (milliseconds since epoch).
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final int createdAt;
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/// Creates a [User] instance.
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///
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/// [id] - Unique identifier for the user.
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/// [username] - Display name or username.
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/// [token] - Optional authentication token.
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/// [createdAt] - Session creation timestamp (defaults to current time).
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User({
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required this.id,
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required this.username,
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this.token,
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int? createdAt,
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}) : createdAt = createdAt ?? DateTime.now().millisecondsSinceEpoch;
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/// Creates a [User] from a Map (e.g., from database or JSON).
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factory User.fromMap(Map<String, dynamic> map) {
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return User(
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id: map['id'] as String,
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username: map['username'] as String,
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token: map['token'] as String?,
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createdAt: map['created_at'] as int?,
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);
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}
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/// Converts the [User] to a Map for storage.
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Map<String, dynamic> toMap() {
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return {
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'id': id,
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'username': username,
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'token': token,
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'created_at': createdAt,
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};
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}
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/// Creates a copy of this [User] with updated fields.
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User copyWith({
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String? id,
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String? username,
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String? token,
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int? createdAt,
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}) {
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return User(
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id: id ?? this.id,
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username: username ?? this.username,
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token: token ?? this.token,
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createdAt: createdAt ?? this.createdAt,
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);
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}
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@override
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String toString() {
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return 'User(id: $id, username: $username, createdAt: $createdAt)';
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}
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@override
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bool operator ==(Object other) {
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if (identical(this, other)) return true;
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return other is User && other.id == id;
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}
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@override
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int get hashCode => id.hashCode;
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}
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