Added max member count to limits
A given system can now have up to 1000 members. Within 50 members of that limit, a warning will display whenever a new member is created via the bot. Once the limit is reached, a final warning will appear indicating that no additional members can be created unless members are first deleted. Attempting to create a new member at that point by any method will result in an error message indicating that the limit has been reached. Respecting this in pk;import required some restructuring to tease apart which members already exist and which ones need to be created prior to creating any members as it seems preferable to fail early and give the user the ability to intervene rather than pushing the system to the member cap and requiring manual deletion of "lower priority" members before others can be created. One consequence of the restructure is that existing members are being read in bulk which is a performance improvement of 25-70% depending on how many switches need to be imported (the more members you have, the more noticeable this is).
This commit is contained in:
Noko
parent
a277f4fb87
commit
397da2e1fa
@ -38,6 +38,11 @@ namespace PluralKit.API.Controllers
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if (newMember.Name == null)
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return BadRequest("Member name cannot be null.");
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// Enforce per-system member limit
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var memberCount = await _members.MemberCount(system);
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if (memberCount >= Limits.MaxMemberCount)
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return BadRequest($"Member limit reached ({memberCount} / {Limits.MaxMemberCount}).");
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// Explicit bounds checks
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if (newMember.Name != null && newMember.Name.Length > Limits.MaxMemberNameLength)
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return BadRequest($"Member name too long ({newMember.Name.Length} > {Limits.MaxMemberNameLength}.");
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@ -101,8 +101,9 @@ namespace PluralKit.Bot.Commands
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// If passed system is null, it'll create a new one
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// (and that's okay!)
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var result = await _dataFiles.ImportSystem(data, ctx.System, ctx.Author.Id);
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if (ctx.System != null)
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if (!result.Success)
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await ctx.Reply($"{Emojis.Error} The provided system profile could not be imported. {result.Message}");
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else if (ctx.System != null)
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{
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await ctx.Reply($"{Emojis.Success} PluralKit has created a system for you based on the given file. Your system ID is `{result.System.Hid}`. Type `pk;system` for more information.");
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}
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@ -45,12 +45,23 @@ namespace PluralKit.Bot.Commands
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if (!await ctx.PromptYesNo(msg)) throw new PKError("Member creation cancelled.");
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}
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// Enforce per-system member limit
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var memberCount = await _members.MemberCount(ctx.System);
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if (memberCount >= Limits.MaxMemberCount)
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throw Errors.MemberLimitReachedError;
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// Create the member
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var member = await _members.Create(ctx.System, memberName);
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memberCount++;
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// Send confirmation and space hint
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await ctx.Reply($"{Emojis.Success} Member \"{memberName.SanitizeMentions()}\" (`{member.Hid}`) registered! See the user guide for commands for editing this member: https://pluralkit.me/guide#member-management");
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if (memberName.Contains(" ")) await ctx.Reply($"{Emojis.Note} Note that this member's name contains spaces. You will need to surround it with \"double quotes\" when using commands referring to it, or just use the member's 5-character ID (which is `{member.Hid}`).");
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if (memberName.Contains(" "))
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await ctx.Reply($"{Emojis.Note} Note that this member's name contains spaces. You will need to surround it with \"double quotes\" when using commands referring to it, or just use the member's 5-character ID (which is `{member.Hid}`).");
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if (memberCount >= Limits.MaxMemberCount)
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await ctx.Reply($"{Emojis.Warn} You have reached the per-system member limit ({Limits.MaxMemberCount}). You will be unable to create additional members until existing members are deleted.");
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else if (memberCount >= Limits.MaxMembersWarnThreshold)
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await ctx.Reply($"{Emojis.Warn} You are approaching the per-system member limit ({memberCount} / {Limits.MaxMemberCount} members). Please review your member list for unused or duplicate members.");
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await _proxyCache.InvalidateResultsForSystem(ctx.System);
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}
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@ -22,6 +22,7 @@ namespace PluralKit.Bot {
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public static PKError DescriptionTooLongError(int length) => new PKError($"Description too long ({length}/{Limits.MaxDescriptionLength} characters).");
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public static PKError MemberNameTooLongError(int length) => new PKError($"Member name too long ({length}/{Limits.MaxMemberNameLength} characters).");
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public static PKError MemberPronounsTooLongError(int length) => new PKError($"Member pronouns too long ({length}/{Limits.MaxMemberNameLength} characters).");
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public static PKError MemberLimitReachedError => new PKError($"System has reached the maximum number of members ({Limits.MaxMemberCount}). Please delete unused members first in order to create new ones.");
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public static PKError InvalidColorError(string color) => new PKError($"\"{color.SanitizeMentions()}\" is not a valid color. Color must be in 6-digit RGB hex format (eg. #ff0000).");
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public static PKError BirthdayParseError(string birthday) => new PKError($"\"{birthday.SanitizeMentions()}\" could not be parsed as a valid date. Try a format like \"2016-12-24\" or \"May 3 1996\".");
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@ -5,6 +5,7 @@ using System.Threading.Tasks;
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using Newtonsoft.Json;
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using NodaTime;
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using NodaTime.Text;
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using PluralKit.Core;
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using Serilog;
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namespace PluralKit.Bot
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@ -70,38 +71,22 @@ namespace PluralKit.Bot
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};
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}
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private async Task<DataFileMember> ExportMember(PKMember member) => new DataFileMember
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{
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Id = member.Hid,
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Name = member.Name,
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DisplayName = member.DisplayName,
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Description = member.Description,
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Birthday = member.Birthday != null ? Formats.DateExportFormat.Format(member.Birthday.Value) : null,
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Pronouns = member.Pronouns,
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Color = member.Color,
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AvatarUrl = member.AvatarUrl,
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Prefix = member.Prefix,
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Suffix = member.Suffix,
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Created = Formats.TimestampExportFormat.Format(member.Created),
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MessageCount = await _members.MessageCount(member)
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};
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private async Task<DataFileSwitch> ExportSwitch(PKSwitch sw) => new DataFileSwitch
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{
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Members = (await _switches.GetSwitchMembers(sw)).Select(m => m.Hid).ToList(),
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Timestamp = Formats.TimestampExportFormat.Format(sw.Timestamp)
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};
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public async Task<ImportResult> ImportSystem(DataFileSystem data, PKSystem system, ulong accountId)
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{
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// TODO: make atomic, somehow - we'd need to obtain one IDbConnection and reuse it
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// which probably means refactoring SystemStore.Save and friends etc
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var result = new ImportResult {AddedNames = new List<string>(), ModifiedNames = new List<string>()};
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var hidMapping = new Dictionary<string, PKMember>();
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var result = new ImportResult {
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AddedNames = new List<string>(),
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ModifiedNames = new List<string>(),
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Success = true // Assume success unless indicated otherwise
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};
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var dataFileToMemberMapping = new Dictionary<string, PKMember>();
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var unmappedMembers = new List<DataFileMember>();
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// If we don't already have a system to save to, create one
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if (system == null) system = await _systems.Create(data.Name);
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if (system == null)
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system = await _systems.Create(data.Name);
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result.System = system;
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// Apply system info
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system.Name = data.Name;
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@ -114,37 +99,52 @@ namespace PluralKit.Bot
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// Make sure to link the sender account, too
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await _systems.Link(system, accountId);
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// Apply members
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// TODO: parallelize?
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foreach (var dataMember in data.Members)
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// Determine which members already exist and which ones need to be created
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var existingMembers = await _members.GetBySystem(system);
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foreach (var d in data.Members)
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{
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// If member's given an ID, we try to look up the member with the given ID
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PKMember member = null;
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if (dataMember.Id != null)
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// Try to look up the member with the given ID
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var match = existingMembers.FirstOrDefault(m => m.Hid.Equals(d.Id));
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if (match == null)
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match = existingMembers.FirstOrDefault(m => m.Name.Equals(d.Name)); // Try with the name instead
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if (match != null)
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{
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member = await _members.GetByHid(dataMember.Id);
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// ...but if it's a different system's member, we just make a new one anyway
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if (member != null && member.System != system.Id) member = null;
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}
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// Try to look up by name, too
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if (member == null) member = await _members.GetByName(system, dataMember.Name);
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// And if all else fails (eg. fresh import from Tupperbox, etc) we just make a member lol
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if (member == null)
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{
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member = await _members.Create(system, dataMember.Name);
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result.AddedNames.Add(dataMember.Name);
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dataFileToMemberMapping.Add(d.Id, match); // Relate the data file ID to the PKMember for importing switches
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result.ModifiedNames.Add(d.Name);
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}
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else
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{
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result.ModifiedNames.Add(dataMember.Name);
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unmappedMembers.Add(d); // Track members that weren't found so we can create them all
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result.AddedNames.Add(d.Name);
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}
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}
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// Keep track of what the data file's member ID maps to for switch import
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if (!hidMapping.ContainsKey(dataMember.Id))
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hidMapping.Add(dataMember.Id, member);
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// If creating the unmatched members would put us over the member limit, abort before creating any members
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// new total: # in the system + (# in the file - # in the file that already exist)
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if (data.Members.Count - dataFileToMemberMapping.Count + existingMembers.Count() >= Limits.MaxMemberCount)
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{
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result.Success = false;
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result.Message = $"Import would exceed the maximum number of members ({Limits.MaxMemberCount}).";
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result.AddedNames.Clear();
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result.ModifiedNames.Clear();
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return result;
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}
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// Create all unmapped members in one transaction
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// These consist of members from another PluralKit system or another framework (e.g. Tupperbox)
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var membersToCreate = new Dictionary<string, string>();
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unmappedMembers.ForEach(x => membersToCreate.Add(x.Id, x.Name));
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var newMembers = await _members.CreateMultiple(system, membersToCreate);
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foreach (var member in newMembers)
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dataFileToMemberMapping.Add(member.Key, member.Value);
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// Update members with data file properties
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// TODO: parallelize?
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foreach (var dataMember in data.Members)
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{
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dataFileToMemberMapping.TryGetValue(dataMember.Id, out PKMember member);
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if (member == null)
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continue;
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// Apply member info
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member.Name = dataMember.Name;
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@ -161,7 +161,7 @@ namespace PluralKit.Bot
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if (dataMember.Birthday != null)
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{
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var birthdayParse = Formats.DateExportFormat.Parse(dataMember.Birthday);
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member.Birthday = birthdayParse.Success ? (LocalDate?) birthdayParse.Value : null;
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member.Birthday = birthdayParse.Success ? (LocalDate?)birthdayParse.Value : null;
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}
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await _members.Save(member);
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@ -174,7 +174,7 @@ namespace PluralKit.Bot
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var timestamp = InstantPattern.ExtendedIso.Parse(sw.Timestamp).Value;
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var swMembers = new List<PKMember>();
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swMembers.AddRange(sw.Members.Select(x =>
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hidMapping.FirstOrDefault(y => y.Key.Equals(x)).Value));
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dataFileToMemberMapping.FirstOrDefault(y => y.Key.Equals(x)).Value));
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var mapped = new Tuple<Instant, ICollection<PKMember>>(timestamp, swMembers);
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mappedSwitches.Add(mapped);
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}
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@ -182,8 +182,6 @@ namespace PluralKit.Bot
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await _switches.RegisterSwitches(system, mappedSwitches);
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_logger.Information("Imported system {System}", system.Id);
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result.System = system;
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return result;
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}
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}
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@ -193,6 +191,8 @@ namespace PluralKit.Bot
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public ICollection<string> AddedNames;
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public ICollection<string> ModifiedNames;
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public PKSystem System;
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public bool Success;
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public string Message;
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}
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public struct DataFileSystem
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@ -5,6 +5,8 @@ namespace PluralKit.Core {
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public static readonly int MaxSystemNameLength = 100;
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public static readonly int MaxSystemTagLength = MaxProxyNameLength - 1;
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public static readonly int MaxMemberCount = 1000;
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public static readonly int MaxMembersWarnThreshold = MaxMemberCount - 50;
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public static readonly int MaxDescriptionLength = 1000;
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public static readonly int MaxMemberNameLength = 100; // Fair bit larger than MaxProxyNameLength for bookkeeping
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public static readonly int MaxPronounsLength = 100;
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@ -128,6 +128,37 @@ namespace PluralKit {
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return member;
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}
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public async Task<Dictionary<string,PKMember>> CreateMultiple(PKSystem system, Dictionary<string,string> names)
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{
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using (var conn = await _conn.Obtain())
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using (var tx = conn.BeginTransaction())
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{
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var results = new Dictionary<string, PKMember>();
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foreach (var name in names)
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{
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string hid;
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do
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{
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hid = await conn.QuerySingleOrDefaultAsync<string>("SELECT @Hid WHERE NOT EXISTS (SELECT id FROM members WHERE hid = @Hid LIMIT 1)", new
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{
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Hid = Utils.GenerateHid()
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});
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} while (hid == null);
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var member = await conn.QuerySingleAsync<PKMember>("INSERT INTO members (hid, system, name) VALUES (@Hid, @SystemId, @Name) RETURNING *", new
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{
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Hid = hid,
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SystemID = system.Id,
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Name = name.Value
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});
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results.Add(name.Key, member);
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}
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tx.Commit();
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_logger.Information("Created {MemberCount} members for system {SystemID}", names.Count(), system.Hid);
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return results;
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}
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}
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public async Task<PKMember> GetByHid(string hid) {
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using (var conn = await _conn.Obtain())
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return await conn.QuerySingleOrDefaultAsync<PKMember>("select * from members where hid = @Hid", new { Hid = hid.ToLower() });
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