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Update style for data classes

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Noi 2021-10-18 16:14:46 -07:00
parent fdffa5425c
commit 160152a0b4
3 changed files with 359 additions and 389 deletions
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40
Data/Database.cs
View file

@ -1,32 +1,26 @@
using Npgsql;
using System;
using System.Threading.Tasks;
namespace BirthdayBot.Data
{
namespace BirthdayBot.Data;
internal static class Database {
public static string DBConnectionString { get; set; }
/// <summary>
/// Database access and some abstractions.
/// Sets up and opens a database connection.
/// </summary>
internal static class Database
{
public static string DBConnectionString { get; set; }
public static async Task<NpgsqlConnection> OpenConnectionAsync() {
var db = new NpgsqlConnection(DBConnectionString);
await db.OpenAsync().ConfigureAwait(false);
return db;
}
public static async Task<NpgsqlConnection> OpenConnectionAsync()
{
if (DBConnectionString == null) throw new Exception("Database connection string not set");
var db = new NpgsqlConnection(DBConnectionString);
await db.OpenAsync().ConfigureAwait(false);
return db;
}
public static async Task DoInitialDatabaseSetupAsync() {
using var db = await OpenConnectionAsync().ConfigureAwait(false);
public static async Task DoInitialDatabaseSetupAsync()
{
using var db = await OpenConnectionAsync().ConfigureAwait(false);
// Refer to the methods being called for information on how the database is set up.
// Note: The order these are called is important. (Foreign reference constraints.)
await GuildConfiguration.DatabaseSetupAsync(db).ConfigureAwait(false);
await GuildUserConfiguration.DatabaseSetupAsync(db).ConfigureAwait(false);
}
// Refer to the methods being called for information on how the database is set up.
// Note: The order these are called is important. (Foreign reference constraints.)
await GuildConfiguration.DatabaseSetupAsync(db).ConfigureAwait(false);
await GuildUserConfiguration.DatabaseSetupAsync(db).ConfigureAwait(false);
}
}

460
Data/GuildConfiguration.cs
View file

@ -6,258 +6,244 @@ using System.Data.Common;
using System.Linq;
using System.Threading.Tasks;
namespace BirthdayBot.Data
{
namespace BirthdayBot.Data;
/// <summary>
/// Represents guild-specific configuration as exists in the database.
/// Updating any property requires a call to <see cref="UpdateAsync"/> for changes to take effect.
/// </summary>
class GuildConfiguration {
/// <summary>
/// Represents guild-specific configuration as exists in the database.
/// Updating any property requires a call to <see cref="UpdateAsync"/> for changes to take effect.
/// Gets this configuration's corresponding guild ID.
/// </summary>
class GuildConfiguration
{
/// <summary>
/// Gets this configuration's corresponding guild ID.
/// </summary>
public ulong GuildId { get; }
public ulong GuildId { get; }
/// <summary>
/// Gets or sets the guild's designated usable role ID.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public ulong? RoleId { get; set; }
/// <summary>
/// Gets or sets the guild's designated usable role ID.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public ulong? RoleId { get; set; }
/// <summary>
/// Gets or sets the announcement channel ID.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public ulong? AnnounceChannelId { get; set; }
/// <summary>
/// Gets or sets the announcement channel ID.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public ulong? AnnounceChannelId { get; set; }
/// <summary>
/// Gets or sets the guild's default time zone ztring.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public string TimeZone { get; set; }
/// <summary>
/// Gets or sets the guild's default time zone ztring.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public string TimeZone { get; set; }
/// <summary>
/// Gets or sets the guild's moderated mode setting.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public bool IsModerated { get; set; }
/// <summary>
/// Gets or sets the guild's moderated mode setting.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public bool IsModerated { get; set; }
/// <summary>
/// Gets or sets the guild's corresponding bot moderator role ID.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public ulong? ModeratorRole { get; set; }
/// <summary>
/// Gets or sets the guild's corresponding bot moderator role ID.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public ulong? ModeratorRole { get; set; }
/// <summary>
/// Gets or sets the guild-specific birthday announcement message.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public (string, string) AnnounceMessages { get; set; }
/// <summary>
/// Gets or sets the guild-specific birthday announcement message.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public (string, string) AnnounceMessages { get; set; }
/// <summary>
/// Gets or sets the announcement ping setting.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public bool AnnouncePing { get; set; }
/// <summary>
/// Gets or sets the announcement ping setting.
/// Updating this value requires a call to <see cref="UpdateAsync"/>.
/// </summary>
public bool AnnouncePing { get; set; }
// Called by Load. Double-check ordinals when changes are made.
private GuildConfiguration(DbDataReader reader)
{
GuildId = (ulong)reader.GetInt64(0);
if (!reader.IsDBNull(1)) RoleId = (ulong)reader.GetInt64(1);
if (!reader.IsDBNull(2)) AnnounceChannelId = (ulong)reader.GetInt64(2);
TimeZone = reader.IsDBNull(3) ? null : reader.GetString(3);
IsModerated = reader.GetBoolean(4);
if (!reader.IsDBNull(5)) ModeratorRole = (ulong)reader.GetInt64(5);
string announceMsg = reader.IsDBNull(6) ? null : reader.GetString(6);
string announceMsgPl = reader.IsDBNull(7) ? null : reader.GetString(7);
AnnounceMessages = (announceMsg, announceMsgPl);
AnnouncePing = reader.GetBoolean(8);
}
// Called by Load. Double-check ordinals when changes are made.
private GuildConfiguration(DbDataReader reader) {
GuildId = (ulong)reader.GetInt64(0);
if (!reader.IsDBNull(1)) RoleId = (ulong)reader.GetInt64(1);
if (!reader.IsDBNull(2)) AnnounceChannelId = (ulong)reader.GetInt64(2);
TimeZone = reader.IsDBNull(3) ? null : reader.GetString(3);
IsModerated = reader.GetBoolean(4);
if (!reader.IsDBNull(5)) ModeratorRole = (ulong)reader.GetInt64(5);
string announceMsg = reader.IsDBNull(6) ? null : reader.GetString(6);
string announceMsgPl = reader.IsDBNull(7) ? null : reader.GetString(7);
AnnounceMessages = (announceMsg, announceMsgPl);
AnnouncePing = reader.GetBoolean(8);
}
/// <summary>
/// Checks if the given user exists in the block list.
/// If the server is in moderated mode, this always returns true.
/// </summary>
public async Task<bool> IsUserBlockedAsync(ulong userId)
{
if (IsModerated) return true;
/// <summary>
/// Checks if the given user exists in the block list.
/// If the server is in moderated mode, this always returns true.
/// </summary>
public async Task<bool> IsUserBlockedAsync(ulong userId) {
if (IsModerated) return true;
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"select * from {BackingTableBans} "
+ "where guild_id = @Gid and user_id = @Uid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
c.Prepare();
using var r = await c.ExecuteReaderAsync().ConfigureAwait(false);
if (!await r.ReadAsync().ConfigureAwait(false)) return false;
return true;
}
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"select * from {BackingTableBans} "
+ "where guild_id = @Gid and user_id = @Uid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
c.Prepare();
using var r = await c.ExecuteReaderAsync().ConfigureAwait(false);
if (!await r.ReadAsync().ConfigureAwait(false)) return false;
return true;
}
/// <summary>
/// Adds the specified user to the block list corresponding to this guild.
/// </summary>
public async Task BlockUserAsync(ulong userId)
{
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"insert into {BackingTableBans} (guild_id, user_id) "
+ "values (@Gid, @Uid) "
+ "on conflict (guild_id, user_id) do nothing";
// There is no validation on whether the requested user is even in the guild. will this be a problem?
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
c.Prepare();
/// <summary>
/// Adds the specified user to the block list corresponding to this guild.
/// </summary>
public async Task BlockUserAsync(ulong userId) {
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"insert into {BackingTableBans} (guild_id, user_id) "
+ "values (@Gid, @Uid) "
+ "on conflict (guild_id, user_id) do nothing";
// There is no validation on whether the requested user is even in the guild. will this be a problem?
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
c.Prepare();
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
/// <summary>
/// Removes the specified user from the block list corresponding to this guild.
/// </summary>
/// <returns>True if a user has been removed, false if the requested user was not in this list.</returns>
public async Task<bool> UnblockUserAsync(ulong userId) {
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"delete from {BackingTableBans} where "
+ "guild_id = @Gid and user_id = @Uid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
c.Prepare();
var result = await c.ExecuteNonQueryAsync().ConfigureAwait(false);
return result != 0;
}
/// <summary>
/// Checks if the given user can be considered a bot moderator.
/// Checks for either the Manage Guild permission or if the user is within a predetermined role.
/// </summary>
public bool IsBotModerator(SocketGuildUser user)
=> user.GuildPermissions.ManageGuild || (ModeratorRole.HasValue && user.Roles.Any(r => r.Id == ModeratorRole.Value));
#region Database
public const string BackingTable = "settings";
public const string BackingTableBans = "banned_users";
internal static async Task DatabaseSetupAsync(NpgsqlConnection db) {
using (var c = db.CreateCommand()) {
c.CommandText = $"create table if not exists {BackingTable} ("
+ "guild_id bigint primary key, "
+ "role_id bigint null, "
+ "channel_announce_id bigint null, "
+ "time_zone text null, "
+ "moderated boolean not null default FALSE, "
+ "moderator_role bigint null, "
+ "announce_message text null, "
+ "announce_message_pl text null, "
+ "announce_ping boolean not null default FALSE, "
+ "last_seen timestamptz not null default NOW()"
+ ")";
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
/// <summary>
/// Removes the specified user from the block list corresponding to this guild.
/// </summary>
/// <returns>True if a user has been removed, false if the requested user was not in this list.</returns>
public async Task<bool> UnblockUserAsync(ulong userId)
{
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"delete from {BackingTableBans} where "
+ "guild_id = @Gid and user_id = @Uid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
c.Prepare();
var result = await c.ExecuteNonQueryAsync().ConfigureAwait(false);
return result != 0;
using (var c = db.CreateCommand()) {
c.CommandText = $"create table if not exists {BackingTableBans} ("
+ $"guild_id bigint not null references {BackingTable} ON DELETE CASCADE, "
+ "user_id bigint not null, "
+ "PRIMARY KEY (guild_id, user_id)"
+ ")";
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
/// <summary>
/// Checks if the given user can be considered a bot moderator.
/// Checks for either the Manage Guild permission or if the user is within a predetermined role.
/// </summary>
public bool IsBotModerator(SocketGuildUser user)
=> user.GuildPermissions.ManageGuild || (ModeratorRole.HasValue && user.Roles.Any(r => r.Id == ModeratorRole.Value));
#region Database
public const string BackingTable = "settings";
public const string BackingTableBans = "banned_users";
internal static async Task DatabaseSetupAsync(NpgsqlConnection db)
{
using (var c = db.CreateCommand())
{
c.CommandText = $"create table if not exists {BackingTable} ("
+ "guild_id bigint primary key, "
+ "role_id bigint null, "
+ "channel_announce_id bigint null, "
+ "time_zone text null, "
+ "moderated boolean not null default FALSE, "
+ "moderator_role bigint null, "
+ "announce_message text null, "
+ "announce_message_pl text null, "
+ "announce_ping boolean not null default FALSE, "
+ "last_seen timestamptz not null default NOW()"
+ ")";
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
using (var c = db.CreateCommand())
{
c.CommandText = $"create table if not exists {BackingTableBans} ("
+ $"guild_id bigint not null references {BackingTable} ON DELETE CASCADE, "
+ "user_id bigint not null, "
+ "PRIMARY KEY (guild_id, user_id)"
+ ")";
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
}
/// <summary>
/// Fetches guild settings from the database. If no corresponding entry exists, it will be created.
/// </summary>
/// <param name="nullIfUnknown">
/// If true, this method shall not create a new entry and will return null if the guild does
/// not exist in the database.
/// </param>
public static async Task<GuildConfiguration> LoadAsync(ulong guildId, bool nullIfUnknown)
{
using (var db = await Database.OpenConnectionAsync().ConfigureAwait(false))
{
using (var c = db.CreateCommand())
{
// Take note of ordinals for the constructor
c.CommandText = "select guild_id, role_id, channel_announce_id, time_zone, "
+ " moderated, moderator_role, announce_message, announce_message_pl, announce_ping "
+ $"from {BackingTable} where guild_id = @Gid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
c.Prepare();
using var r = await c.ExecuteReaderAsync().ConfigureAwait(false);
if (await r.ReadAsync().ConfigureAwait(false)) return new GuildConfiguration(r);
}
if (nullIfUnknown) return null;
// If we got here, no row exists. Create it with default values.
using (var c = db.CreateCommand())
{
c.CommandText = $"insert into {BackingTable} (guild_id) values (@Gid)";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
c.Prepare();
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
}
// With a new row created, try this again
return await LoadAsync(guildId, nullIfUnknown).ConfigureAwait(false);
}
/// <summary>
/// Updates values on the backing database with values from this object instance.
/// </summary>
public async Task UpdateAsync()
{
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
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("@ChannelId", NpgsqlDbType.Bigint);
if (AnnounceChannelId.HasValue) p.Value = (long)AnnounceChannelId.Value;
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 = 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("@AnnounceMsg", NpgsqlDbType.Text);
if (AnnounceMessages.Item1 != null) p.Value = AnnounceMessages.Item1;
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.Prepare();
c.ExecuteNonQuery();
}
#endregion
}
/// <summary>
/// Fetches guild settings from the database. If no corresponding entry exists, it will be created.
/// </summary>
/// <param name="nullIfUnknown">
/// If true, this method shall not create a new entry and will return null if the guild does
/// not exist in the database.
/// </param>
public static async Task<GuildConfiguration> LoadAsync(ulong guildId, bool nullIfUnknown) {
using (var db = await Database.OpenConnectionAsync().ConfigureAwait(false)) {
using (var c = db.CreateCommand()) {
// Take note of ordinals for the constructor
c.CommandText = "select guild_id, role_id, channel_announce_id, time_zone, "
+ " moderated, moderator_role, announce_message, announce_message_pl, announce_ping "
+ $"from {BackingTable} where guild_id = @Gid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
c.Prepare();
using var r = await c.ExecuteReaderAsync().ConfigureAwait(false);
if (await r.ReadAsync().ConfigureAwait(false)) return new GuildConfiguration(r);
}
if (nullIfUnknown) return null;
// If we got here, no row exists. Create it with default values.
using (var c = db.CreateCommand()) {
c.CommandText = $"insert into {BackingTable} (guild_id) values (@Gid)";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
c.Prepare();
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
}
// With a new row created, try this again
return await LoadAsync(guildId, nullIfUnknown).ConfigureAwait(false);
}
/// <summary>
/// Updates values on the backing database with values from this object instance.
/// </summary>
public async Task UpdateAsync() {
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
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("@ChannelId", NpgsqlDbType.Bigint);
if (AnnounceChannelId.HasValue) p.Value = (long)AnnounceChannelId.Value;
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 = 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("@AnnounceMsg", NpgsqlDbType.Text);
if (AnnounceMessages.Item1 != null) p.Value = AnnounceMessages.Item1;
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.Prepare();
c.ExecuteNonQuery();
}
#endregion
}

248
Data/GuildUserConfiguration.cs
View file

@ -5,147 +5,137 @@ using System.Collections.Generic;
using System.Data.Common;
using System.Threading.Tasks;
namespace BirthdayBot.Data
{
namespace BirthdayBot.Data;
/// <summary>
/// Represents configuration for a guild user as may exist in the database.
/// </summary>
class GuildUserConfiguration {
public ulong GuildId { get; }
public ulong UserId { get; }
/// <summary>
/// Represents configuration for a guild user.
/// Month of birth as a numeric value. Range 1-12.
/// </summary>
class GuildUserConfiguration
{
public ulong GuildId { get; }
public ulong UserId { get; }
public int BirthMonth { get; private set; }
/// <summary>
/// Day of birth as a numeric value. Ranges between 1-31 or lower based on month value.
/// </summary>
public int BirthDay { get; private set; }
/// <summary>
/// Month of birth as a numeric value. Range 1-12.
/// </summary>
public int BirthMonth { get; private set; }
/// <summary>
/// Day of birth as a numeric value. Ranges between 1-31 or lower based on month value.
/// </summary>
public int BirthDay { get; private set; }
public string TimeZone { get; private set; }
public bool IsKnown { get { return BirthMonth != 0 && BirthDay != 0; } }
public string TimeZone { get; private set; }
public bool IsKnown { get { return BirthMonth != 0 && BirthDay != 0; } }
/// <summary>
/// Creates a new, data-less instance without a corresponding database entry.
/// Calling <see cref="UpdateAsync(int, int, int)"/> will create a real database enty
/// </summary>
private GuildUserConfiguration(ulong guildId, ulong userId) {
GuildId = guildId;
UserId = userId;
}
/// <summary>
/// Creates a new, data-less instance without a corresponding database entry.
/// Calling <see cref="UpdateAsync(int, int, int)"/> will create a real database enty
/// </summary>
private GuildUserConfiguration(ulong guildId, ulong userId)
{
GuildId = guildId;
UserId = userId;
}
// Called by GetGuildUsersAsync. Double-check ordinals when changes are made.
private GuildUserConfiguration(DbDataReader reader) {
GuildId = (ulong)reader.GetInt64(0);
UserId = (ulong)reader.GetInt64(1);
BirthMonth = reader.GetInt32(2);
BirthDay = reader.GetInt32(3);
if (!reader.IsDBNull(4)) TimeZone = reader.GetString(4);
}
// Called by GetGuildUsersAsync. Double-check ordinals when changes are made.
private GuildUserConfiguration(DbDataReader reader)
{
GuildId = (ulong)reader.GetInt64(0);
UserId = (ulong)reader.GetInt64(1);
BirthMonth = reader.GetInt32(2);
BirthDay = reader.GetInt32(3);
if (!reader.IsDBNull(4)) TimeZone = reader.GetString(4);
}
/// <summary>
/// Updates user with given information.
/// </summary>
public async Task UpdateAsync(int month, int day, string newtz)
{
using (var db = await Database.OpenConnectionAsync().ConfigureAwait(false))
{
using var c = db.CreateCommand();
c.CommandText = $"insert into {BackingTable} "
+ "(guild_id, user_id, birth_month, birth_day, time_zone) values "
+ "(@Gid, @Uid, @Month, @Day, @Tz) "
+ "on conflict (guild_id, user_id) do update "
+ "set birth_month = EXCLUDED.birth_month, birth_day = EXCLUDED.birth_day, time_zone = EXCLUDED.time_zone";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)UserId;
c.Parameters.Add("@Month", NpgsqlDbType.Numeric).Value = month;
c.Parameters.Add("@Day", NpgsqlDbType.Numeric).Value = day;
var tzp = c.Parameters.Add("@Tz", NpgsqlDbType.Text);
if (newtz != null) tzp.Value = newtz;
else tzp.Value = DBNull.Value;
c.Prepare();
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
// Database update succeeded; update instance values
BirthMonth = month;
BirthDay = day;
TimeZone = newtz;
}
/// <summary>
/// Deletes information of this user from the backing database.
/// The corresponding object reference should ideally be discarded after calling this.
/// </summary>
public async Task DeleteAsync()
{
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
/// <summary>
/// Updates user with given information.
/// </summary>
public async Task UpdateAsync(int month, int day, string newtz) {
using (var db = await Database.OpenConnectionAsync().ConfigureAwait(false)) {
using var c = db.CreateCommand();
c.CommandText = $"delete from {BackingTable} "
+ "where guild_id = @Gid and user_id = @Uid";
c.CommandText = $"insert into {BackingTable} "
+ "(guild_id, user_id, birth_month, birth_day, time_zone) values "
+ "(@Gid, @Uid, @Month, @Day, @Tz) "
+ "on conflict (guild_id, user_id) do update "
+ "set birth_month = EXCLUDED.birth_month, birth_day = EXCLUDED.birth_day, time_zone = EXCLUDED.time_zone";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)UserId;
c.Parameters.Add("@Month", NpgsqlDbType.Numeric).Value = month;
c.Parameters.Add("@Day", NpgsqlDbType.Numeric).Value = day;
var tzp = c.Parameters.Add("@Tz", NpgsqlDbType.Text);
if (newtz != null) tzp.Value = newtz;
else tzp.Value = DBNull.Value;
c.Prepare();
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
#region Database
public const string BackingTable = "user_birthdays";
// Take note of ordinals for use in the constructor
private const string SelectFields = "guild_id, user_id, birth_month, birth_day, time_zone";
internal static async Task DatabaseSetupAsync(NpgsqlConnection db)
{
using var c = db.CreateCommand();
c.CommandText = $"create table if not exists {BackingTable} ("
+ $"guild_id bigint not null references {GuildConfiguration.BackingTable} ON DELETE CASCADE, "
+ "user_id bigint not null, "
+ "birth_month integer not null, "
+ "birth_day integer not null, "
+ "time_zone text null, "
+ "last_seen timestamptz not null default NOW(), "
+ "PRIMARY KEY (guild_id, user_id)" // index automatically created with this
+ ")";
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
/// <summary>
/// Attempts to retrieve a user's configuration. Returns a new, updateable instance if none is found.
/// </summary>
public static async Task<GuildUserConfiguration> LoadAsync(ulong guildId, ulong userId)
{
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"select {SelectFields} from {BackingTable} where guild_id = @Gid and user_id = @Uid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
c.Prepare();
using var r = c.ExecuteReader();
if (await r.ReadAsync().ConfigureAwait(false)) return new GuildUserConfiguration(r);
else return new GuildUserConfiguration(guildId, userId);
}
/// <summary>
/// Gets all known user configuration records associated with the specified guild.
/// </summary>
public static async Task<IEnumerable<GuildUserConfiguration>> LoadAllAsync(ulong guildId)
{
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"select {SelectFields} from {BackingTable} where guild_id = @Gid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
c.Prepare();
using var r = await c.ExecuteReaderAsync().ConfigureAwait(false);
var result = new List<GuildUserConfiguration>();
while (await r.ReadAsync().ConfigureAwait(false)) result.Add(new GuildUserConfiguration(r));
return result;
}
#endregion
// Database update succeeded; update instance values
BirthMonth = month;
BirthDay = day;
TimeZone = newtz;
}
/// <summary>
/// Deletes information of this user from the backing database.
/// The corresponding object reference should ideally be discarded after calling this.
/// </summary>
public async Task DeleteAsync() {
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"delete from {BackingTable} "
+ "where guild_id = @Gid and user_id = @Uid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)GuildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)UserId;
c.Prepare();
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
#region Database
public const string BackingTable = "user_birthdays";
// Take note of ordinals for use in the constructor
private const string SelectFields = "guild_id, user_id, birth_month, birth_day, time_zone";
internal static async Task DatabaseSetupAsync(NpgsqlConnection db) {
using var c = db.CreateCommand();
c.CommandText = $"create table if not exists {BackingTable} ("
+ $"guild_id bigint not null references {GuildConfiguration.BackingTable} ON DELETE CASCADE, "
+ "user_id bigint not null, "
+ "birth_month integer not null, "
+ "birth_day integer not null, "
+ "time_zone text null, "
+ "last_seen timestamptz not null default NOW(), "
+ "PRIMARY KEY (guild_id, user_id)" // index automatically created with this
+ ")";
await c.ExecuteNonQueryAsync().ConfigureAwait(false);
}
/// <summary>
/// Attempts to retrieve a user's configuration. Returns a new, updateable instance if none is found.
/// </summary>
public static async Task<GuildUserConfiguration> LoadAsync(ulong guildId, ulong userId) {
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"select {SelectFields} from {BackingTable} where guild_id = @Gid and user_id = @Uid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
c.Parameters.Add("@Uid", NpgsqlDbType.Bigint).Value = (long)userId;
c.Prepare();
using var r = c.ExecuteReader();
if (await r.ReadAsync().ConfigureAwait(false)) return new GuildUserConfiguration(r);
else return new GuildUserConfiguration(guildId, userId);
}
/// <summary>
/// Gets all known user configuration records associated with the specified guild.
/// </summary>
public static async Task<IEnumerable<GuildUserConfiguration>> LoadAllAsync(ulong guildId) {
using var db = await Database.OpenConnectionAsync().ConfigureAwait(false);
using var c = db.CreateCommand();
c.CommandText = $"select {SelectFields} from {BackingTable} where guild_id = @Gid";
c.Parameters.Add("@Gid", NpgsqlDbType.Bigint).Value = (long)guildId;
c.Prepare();
using var r = await c.ExecuteReaderAsync().ConfigureAwait(false);
var result = new List<GuildUserConfiguration>();
while (await r.ReadAsync().ConfigureAwait(false)) result.Add(new GuildUserConfiguration(r));
return result;
}
#endregion
}