mirror of
https://github.com/NoiTheCat/BirthdayBot.git
synced 2024-11-21 21:54:36 +00:00
Rewrite GuildConfiguration
No longer assumes it's permanently cached. When used, now requires that any updates have its update method explicitly called.
This commit is contained in:
parent
aedc0f2ba7
commit
0f05e3f0a8
1 changed files with 126 additions and 306 deletions
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@ -1,306 +1,138 @@
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using Discord.WebSocket;
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using Npgsql;
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using Npgsql;
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using NpgsqlTypes;
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using System;
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Linq;
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using System.Threading.Tasks;
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namespace BirthdayBot.Data
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{
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/// <summary>
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/// Holds various pieces of state information for a guild the bot is operating in.
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/// Includes, among other things, a copy of the guild's settings and a list of all known users with birthdays.
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/// Represents guild-specific configuration as exists in the database.
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/// Updating any property requires a call to <see cref="UpdateAsync"/> for changes to take effect.
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/// </summary>
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class GuildStateInformation
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class GuildConfiguration
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{
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private readonly Database _db;
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private ulong? _bdayRole;
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private ulong? _announceCh;
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private ulong? _modRole;
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private string _tz;
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private bool _moderated;
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private string _announceMsg;
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private string _announceMsgPl;
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private bool _announcePing;
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private readonly Dictionary<ulong, GuildUserSettings> _userCache;
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/// <summary>
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/// Gets this configuration's corresponding guild ID.
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/// </summary>
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public ulong GuildId { get; }
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/// <summary>
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/// Gets a list of cached registered user information.
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/// Gets or sets the guild's designated usable role ID.
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/// Updating this value requires a call to <see cref="UpdateAsync"/>.
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/// </summary>
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public IEnumerable<GuildUserSettings> Users {
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get {
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var items = new List<GuildUserSettings>();
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lock (this)
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{
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foreach (var item in _userCache.Values) items.Add(item);
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}
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return items;
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}
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}
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public ulong? RoleId { get; set; }
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/// <summary>
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/// Gets the guild's designated Role ID.
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/// Gets or sets the announcement channel ID.
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/// Updating this value requires a call to <see cref="UpdateAsync"/>.
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/// </summary>
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public ulong? RoleId { get { lock (this) { return _bdayRole; } } }
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public ulong? AnnounceChannelId { get; set; }
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/// <summary>
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/// Gets the designated announcement Channel ID.
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/// Gets or sets the guild's default time zone ztring.
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/// Updating this value requires a call to <see cref="UpdateAsync"/>.
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/// </summary>
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public ulong? AnnounceChannelId { get { lock (this) { return _announceCh; } } }
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public string TimeZone { get; set; }
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/// <summary>
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/// Gets the guild's default time zone.
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/// Gets or sets the guild's moderated mode setting.
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/// Updating this value requires a call to <see cref="UpdateAsync"/>.
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/// </summary>
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public string TimeZone { get { lock (this) { return _tz; } } }
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public bool IsModerated { get; set; }
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/// <summary>
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/// Gets whether the guild is in moderated mode.
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/// Gets or sets the guild's corresponding bot moderator role ID.
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/// Updating this value requires a call to <see cref="UpdateAsync"/>.
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/// </summary>
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public bool IsModerated { get { lock (this) { return _moderated; } } }
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public ulong? ModeratorRole { get; set; }
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/// <summary>
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/// Gets the designated moderator role ID.
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/// Gets or sets the guild-specific birthday announcement message.
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/// Updating this value requires a call to <see cref="UpdateAsync"/>.
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/// </summary>
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public ulong? ModeratorRole { get { lock (this) { return _modRole; } } }
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public (string, string) AnnounceMessages { get; set; }
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/// <summary>
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/// Gets the guild-specific birthday announcement message.
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/// Gets or sets the announcement ping setting.
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/// Updating this value requires a call to <see cref="UpdateAsync"/>.
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/// </summary>
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public (string, string) AnnounceMessages { get { lock (this) { return (_announceMsg, _announceMsgPl); } } }
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public bool AnnouncePing { get; set; }
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/// <summary>
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/// Gets whether to ping users in the announcement message instead of displaying their names.
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/// </summary>
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public bool AnnouncePing { get { lock (this) { return _announcePing; } } }
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// Called by LoadSettingsAsync. Double-check ordinals when changes are made.
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private GuildStateInformation(DbDataReader reader, Database dbconfig)
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// Called by Load. Double-check ordinals when changes are made.
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private GuildConfiguration(DbDataReader reader)
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{
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_db = dbconfig;
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GuildId = (ulong)reader.GetInt64(0);
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if (!reader.IsDBNull(1))
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{
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_bdayRole = (ulong)reader.GetInt64(1);
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}
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if (!reader.IsDBNull(2)) _announceCh = (ulong)reader.GetInt64(2);
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_tz = reader.IsDBNull(3) ? null : reader.GetString(3);
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_moderated = reader.GetBoolean(4);
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if (!reader.IsDBNull(5)) _modRole = (ulong)reader.GetInt64(5);
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_announceMsg = reader.IsDBNull(6) ? null : reader.GetString(6);
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_announceMsgPl = reader.IsDBNull(7) ? null : reader.GetString(7);
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_announcePing = reader.GetBoolean(8);
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// Get user information loaded up.
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var userresult = GuildUserSettings.GetGuildUsersAsync(dbconfig, GuildId);
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_userCache = new Dictionary<ulong, GuildUserSettings>();
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foreach (var item in userresult)
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{
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_userCache.Add(item.UserId, item);
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}
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if (!reader.IsDBNull(1)) RoleId = (ulong)reader.GetInt64(1);
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if (!reader.IsDBNull(2)) AnnounceChannelId = (ulong)reader.GetInt64(2);
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TimeZone = reader.IsDBNull(3) ? null : reader.GetString(3);
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IsModerated = reader.GetBoolean(4);
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if (!reader.IsDBNull(5)) ModeratorRole = (ulong)reader.GetInt64(5);
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string announceMsg = reader.IsDBNull(6) ? null : reader.GetString(6);
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string announceMsgPl = reader.IsDBNull(7) ? null : reader.GetString(7);
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AnnounceMessages = (announceMsg, announceMsgPl);
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AnnouncePing = reader.GetBoolean(8);
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}
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/// <summary>
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/// Gets user information from th is guild. If the user doesn't exist in the backing database,
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/// a new instance is created which is capable of adding the user to the database.
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/// </summary>
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/// <remarks>
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/// For users with the Known property set to false, be sure to call
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/// <see cref="GuildUserSettings.DeleteAsync(Database)"/> if the resulting object is otherwise unused.
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/// </remarks>
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public GuildUserSettings GetUser(ulong userId)
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{
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lock (this)
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{
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if (_userCache.ContainsKey(userId))
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{
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return _userCache[userId];
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}
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// No result. Create a blank entry and add it to the list,
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// in case it gets updated and then referenced later.
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var blank = new GuildUserSettings(GuildId, userId);
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_userCache.Add(userId, blank);
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return blank;
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}
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}
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/// <summary>
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/// Deletes the user from the backing database. Drops the locally cached entry.
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/// </summary>
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public async Task DeleteUserAsync(ulong userId)
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{
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GuildUserSettings user = null;
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lock (this)
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{
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if (!_userCache.TryGetValue(userId, out user))
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{
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return;
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}
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_userCache.Remove(userId);
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}
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await user.DeleteAsync(_db);
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}
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/// <summary>
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/// Checks if the given user is blocked from issuing commands.
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/// Checks if the given user exists in the block list.
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/// If the server is in moderated mode, this always returns true.
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/// Does not check if the user is a manager.
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/// </summary>
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public async Task<bool> IsUserBlockedAsync(ulong userId)
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{
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if (IsModerated) return true;
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// Block list is not cached, thus doing a database lookup
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// TODO cache block list?
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using (var db = await _db.OpenConnectionAsync())
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{
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using (var c = db.CreateCommand())
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{
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c.CommandText = $"select * from {BackingTableBans} "
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+ "where guild_id = @Gid and user_id = @Uid";
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
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c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
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c.Prepare();
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using (var r = await c.ExecuteReaderAsync())
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{
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if (await r.ReadAsync()) return true;
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return false;
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}
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}
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}
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}
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/// <summary>
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/// Checks if the given user is a moderator either by having the Manage Server permission or
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/// being in the designated moderator role.
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/// </summary>
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public bool IsUserModerator(SocketGuildUser user)
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{
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if (user.GuildPermissions.ManageGuild) return true;
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lock (this)
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{
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if (ModeratorRole.HasValue)
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{
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if (user.Roles.Where(r => r.Id == ModeratorRole.Value).Count() > 0) return true;
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}
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}
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using var db = await Database.OpenConnectionAsync();
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using var c = db.CreateCommand();
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c.CommandText = $"select * from {BackingTableBans} "
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+ "where guild_id = @Gid and user_id = @Uid";
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
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c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
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c.Prepare();
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using var r = await c.ExecuteReaderAsync();
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if (await r.ReadAsync()) return true;
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return false;
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}
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/// <summary>
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/// Adds the specified user to the block list, preventing them from issuing commands.
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/// Adds the specified user to the block list corresponding to this guild.
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/// </summary>
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public async Task BlockUserAsync(ulong userId)
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{
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// TODO cache block list?
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using (var db = await _db.OpenConnectionAsync())
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{
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using (var c = db.CreateCommand())
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{
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c.CommandText = $"insert into {BackingTableBans} (guild_id, user_id) "
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+ "values (@Gid, @Uid) "
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+ "on conflict (guild_id, user_id) do nothing";
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
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c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
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c.Prepare();
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await c.ExecuteNonQueryAsync();
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}
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}
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using var db = await Database.OpenConnectionAsync();
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using var c = db.CreateCommand();
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c.CommandText = $"insert into {BackingTableBans} (guild_id, user_id) "
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+ "values (@Gid, @Uid) "
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+ "on conflict (guild_id, user_id) do nothing";
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// There is no validation on whether the requested user is even in the guild. will this be a problem?
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
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c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
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c.Prepare();
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await c.ExecuteNonQueryAsync();
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}
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public async Task UnbanUserAsync(ulong userId)
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/// <summary>
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/// Removes the specified user from the block list corresponding to this guild.
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/// </summary>
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/// <returns>True if a user has been removed, false if the requested user was not in this list.</returns>
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public async Task<bool> UnblockUserAsync(ulong userId)
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{
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// TODO cache block list?
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using (var db = await _db.OpenConnectionAsync())
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{
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using (var c = db.CreateCommand())
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{
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c.CommandText = $"delete from {BackingTableBans} where "
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+ "guild_id = @Gid and user_id = @Uid";
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
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c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
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c.Prepare();
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await c.ExecuteNonQueryAsync();
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}
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}
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}
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public void UpdateRole(ulong roleId)
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{
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lock (this)
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{
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_bdayRole = roleId;
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UpdateDatabase();
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}
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}
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public void UpdateAnnounceChannel(ulong? channelId)
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{
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lock (this)
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{
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_announceCh = channelId;
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UpdateDatabase();
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}
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}
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public void UpdateTimeZone(string tzString)
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{
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lock (this)
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{
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_tz = tzString;
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UpdateDatabase();
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}
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}
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public void UpdateModeratedMode(bool isModerated)
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{
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lock (this)
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{
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_moderated = isModerated;
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UpdateDatabase();
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}
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}
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public void UpdateModeratorRole(ulong? roleId)
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{
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lock (this)
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{
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_modRole = roleId;
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UpdateDatabase();
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}
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}
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public void UpdateAnnounceMessage(string message, bool plural)
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{
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lock (this)
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{
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if (plural) _announceMsgPl = message;
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else _announceMsg = message;
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UpdateDatabase();
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}
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}
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public void UpdateAnnouncePing(bool value)
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{
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lock (this)
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{
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_announcePing = value;
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UpdateDatabase();
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}
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using var db = await Database.OpenConnectionAsync();
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using var c = db.CreateCommand();
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c.CommandText = $"delete from {BackingTableBans} where "
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+ "guild_id = @Gid and user_id = @Uid";
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
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c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
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c.Prepare();
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var result = await c.ExecuteNonQueryAsync();
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return result != 0;
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}
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#region Database
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public const string BackingTable = "settings";
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public const string BackingTableBans = "banned_users";
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internal static void SetUpDatabaseTable(NpgsqlConnection db)
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internal static async Task DatabaseSetupAsync(NpgsqlConnection db)
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{
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using (var c = db.CreateCommand())
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{
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@ -316,7 +148,7 @@ namespace BirthdayBot.Data
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+ "announce_ping boolean not null default FALSE, "
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+ "last_seen timestamptz not null default NOW()"
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+ ")";
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c.ExecuteNonQuery();
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await c.ExecuteNonQueryAsync();
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}
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using (var c = db.CreateCommand())
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{
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@ -325,104 +157,92 @@ namespace BirthdayBot.Data
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+ "user_id bigint not null, "
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+ "PRIMARY KEY (guild_id, user_id)"
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+ ")";
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c.ExecuteNonQuery();
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await c.ExecuteNonQueryAsync();
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}
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}
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/// <summary>
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/// Retrieves an object instance representative of guild settings for the specified guild.
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/// If settings for the given guild do not yet exist, a new value is created.
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/// Fetches guild settings from the database. If no corresponding entry exists, it will be created.
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/// </summary>
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internal async static Task<GuildStateInformation> LoadSettingsAsync(Database dbsettings, ulong guild)
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public static async Task<GuildConfiguration> LoadAsync(ulong guildId)
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{
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using (var db = await dbsettings.OpenConnectionAsync())
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using (var db = await Database.OpenConnectionAsync())
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{
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using (var c = db.CreateCommand())
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{
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// Take note of ordinals for use in the constructor
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// Take note of ordinals for the constructor
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c.CommandText = "select guild_id, role_id, channel_announce_id, time_zone, "
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+ " moderated, moderator_role, announce_message, announce_message_pl, announce_ping "
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+ $"from {BackingTable} where guild_id = @Gid";
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guild;
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
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c.Prepare();
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using (var r = await c.ExecuteReaderAsync())
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{
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if (await r.ReadAsync())
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{
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return new GuildStateInformation(r, dbsettings);
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}
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}
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using var r = await c.ExecuteReaderAsync();
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if (await r.ReadAsync()) return new GuildConfiguration(r);
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}
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// If we got here, no row exists. Create it.
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// If we got here, no row exists. Create it with default values.
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using (var c = db.CreateCommand())
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{
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c.CommandText = $"insert into {BackingTable} (guild_id) values (@Gid)";
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guild;
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c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
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c.Prepare();
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await c.ExecuteNonQueryAsync();
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}
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}
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// New row created. Try this again.
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return await LoadSettingsAsync(dbsettings, guild);
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// With a new row created, try this again
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return await LoadAsync(guildId);
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}
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/// <summary>
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/// Updates the backing database with values from this instance
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/// This is a non-asynchronous operation. That may be bad.
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/// Updates values on the backing database with values from this object instance.
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/// </summary>
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private void UpdateDatabase()
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public async Task UpdateAsync()
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{
|
||||
using (var db = _db.OpenConnectionAsync().GetAwaiter().GetResult())
|
||||
{
|
||||
using (var c = db.CreateCommand())
|
||||
{
|
||||
c.CommandText = $"update {BackingTable} set "
|
||||
+ "role_id = @RoleId, "
|
||||
+ "channel_announce_id = @ChannelId, "
|
||||
+ "time_zone = @TimeZone, "
|
||||
+ "moderated = @Moderated, "
|
||||
+ "moderator_role = @ModRole, "
|
||||
+ "announce_message = @AnnounceMsg, "
|
||||
+ "announce_message_pl = @AnnounceMsgPl, "
|
||||
+ "announce_ping = @AnnouncePing "
|
||||
+ "where guild_id = @Gid";
|
||||
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
|
||||
NpgsqlParameter p;
|
||||
using var db = await Database.OpenConnectionAsync();
|
||||
using var c = db.CreateCommand();
|
||||
c.CommandText = $"update {BackingTable} set "
|
||||
+ "role_id = @RoleId, "
|
||||
+ "channel_announce_id = @ChannelId, "
|
||||
+ "time_zone = @TimeZone, "
|
||||
+ "moderated = @Moderated, "
|
||||
+ "moderator_role = @ModRole, "
|
||||
+ "announce_message = @AnnounceMsg, "
|
||||
+ "announce_message_pl = @AnnounceMsgPl, "
|
||||
+ "announce_ping = @AnnouncePing "
|
||||
+ "where guild_id = @Gid";
|
||||
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
|
||||
NpgsqlParameter p;
|
||||
|
||||
p = c.Parameters.Add("@RoleId", NpgsqlDbType.Bigint);
|
||||
if (RoleId.HasValue) p.Value = (long)RoleId.Value;
|
||||
else p.Value = DBNull.Value;
|
||||
p = c.Parameters.Add("@RoleId", NpgsqlDbType.Bigint);
|
||||
if (RoleId.HasValue) p.Value = (long)RoleId.Value;
|
||||
else p.Value = DBNull.Value;
|
||||
|
||||
p = c.Parameters.Add("@ChannelId", NpgsqlDbType.Bigint);
|
||||
if (_announceCh.HasValue) p.Value = (long)_announceCh.Value;
|
||||
else p.Value = DBNull.Value;
|
||||
p = c.Parameters.Add("@ChannelId", NpgsqlDbType.Bigint);
|
||||
if (AnnounceChannelId.HasValue) p.Value = (long)AnnounceChannelId.Value;
|
||||
else p.Value = DBNull.Value;
|
||||
|
||||
p = c.Parameters.Add("@TimeZone", NpgsqlDbType.Text);
|
||||
if (_tz != null) p.Value = _tz;
|
||||
else p.Value = DBNull.Value;
|
||||
p = c.Parameters.Add("@TimeZone", NpgsqlDbType.Text);
|
||||
if (TimeZone != null) p.Value = TimeZone;
|
||||
else p.Value = DBNull.Value;
|
||||
|
||||
c.Parameters.Add("@Moderated", NpgsqlDbType.Boolean).Value = _moderated;
|
||||
c.Parameters.Add("@Moderated", NpgsqlDbType.Boolean).Value = IsModerated;
|
||||
|
||||
p = c.Parameters.Add("@ModRole", NpgsqlDbType.Bigint);
|
||||
if (ModeratorRole.HasValue) p.Value = (long)ModeratorRole.Value;
|
||||
else p.Value = DBNull.Value;
|
||||
p = c.Parameters.Add("@ModRole", NpgsqlDbType.Bigint);
|
||||
if (ModeratorRole.HasValue) p.Value = (long)ModeratorRole.Value;
|
||||
else p.Value = DBNull.Value;
|
||||
|
||||
p = c.Parameters.Add("@AnnounceMsg", NpgsqlDbType.Text);
|
||||
if (_announceMsg != null) p.Value = _announceMsg;
|
||||
else p.Value = DBNull.Value;
|
||||
p = c.Parameters.Add("@AnnounceMsg", NpgsqlDbType.Text);
|
||||
if (AnnounceMessages.Item1 != null) p.Value = AnnounceMessages.Item1;
|
||||
else p.Value = DBNull.Value;
|
||||
|
||||
p = c.Parameters.Add("@AnnounceMsgPl", NpgsqlDbType.Text);
|
||||
if (_announceMsgPl != null) p.Value = _announceMsgPl;
|
||||
else p.Value = DBNull.Value;
|
||||
p = c.Parameters.Add("@AnnounceMsgPl", NpgsqlDbType.Text);
|
||||
if (AnnounceMessages.Item2 != null) p.Value = AnnounceMessages.Item2;
|
||||
else p.Value = DBNull.Value;
|
||||
|
||||
c.Parameters.Add("@AnnouncePing", NpgsqlDbType.Boolean).Value = _announcePing;
|
||||
c.Parameters.Add("@AnnouncePing", NpgsqlDbType.Boolean).Value = AnnouncePing;
|
||||
|
||||
c.Prepare();
|
||||
c.ExecuteNonQuery();
|
||||
}
|
||||
}
|
||||
c.Prepare();
|
||||
c.ExecuteNonQuery();
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue