113 lines
3.6 KiB
C#
113 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace SharpChat {
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public class UsersContext {
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[Flags]
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public enum NameTarget {
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None = 0,
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UserName = 1,
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NickName = 2,
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UserAndNickName = UserName | NickName,
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}
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private readonly List<UserInfo> Users = new();
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public int TotalCount { get; private set; }
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public UserInfo[] All => Users.ToArray();
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public UserInfo? Get(
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long? userId = null,
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string? name = null,
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NameTarget nameTarget = NameTarget.UserName
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) {
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foreach(UserInfo info in Users) {
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if(userId != null && info.UserId != userId)
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continue;
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if(name != null) {
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// this could probably all fit in a single if condition, but it'd be massive and disgusting
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// and require more thinking power than my goldfish brain can muster
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bool match = false;
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if(nameTarget.HasFlag(NameTarget.UserName) && info.UserName.Equals(name, StringComparison.InvariantCultureIgnoreCase))
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match = true;
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else if(nameTarget.HasFlag(NameTarget.NickName) && info.NickName.Equals(name, StringComparison.InvariantCultureIgnoreCase))
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match = true;
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if(!match)
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continue;
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}
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return info;
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}
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return null;
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}
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public UserInfo[] GetMany(
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long[]? userIds = null,
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string[]? names = null,
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NameTarget namesTarget = NameTarget.UserName,
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int? minRank = null
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) {
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List<UserInfo> users = new();
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foreach(UserInfo info in Users) {
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if(minRank != null && info.Rank < minRank)
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continue;
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if(userIds != null && !userIds.Contains(info.UserId))
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continue;
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if(names?.Length > 0) {
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bool match = false;
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foreach(string name in names) {
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if(namesTarget.HasFlag(NameTarget.UserName) && info.UserName.Equals(name, StringComparison.InvariantCultureIgnoreCase))
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match = true;
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else if(namesTarget.HasFlag(NameTarget.NickName) && info.NickName.Equals(name, StringComparison.InvariantCultureIgnoreCase))
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match = true;
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}
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if(!match)
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continue;
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}
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users.Add(info);
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}
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return users.ToArray();
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}
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public void Add(UserInfo info) {
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if(Get(info.UserId, info.UserName) != null)
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throw new ArgumentException("A user with that id and/or name has already been registred.", nameof(info));
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Users.Add(info);
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++TotalCount;
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}
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public void Remove(UserInfo info) {
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if(!Users.Contains(info)) {
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Remove(info.UserId);
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return;
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}
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Users.Remove(info);
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--TotalCount;
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}
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public void Remove(
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long? userId = null,
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string? name = null,
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NameTarget nameTarget = NameTarget.UserName
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) {
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UserInfo? info = Get(userId, name, nameTarget);
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if(info == null)
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return;
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Users.Remove(info);
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--TotalCount;
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}
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}
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}
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