82 lines
2.8 KiB
C#
82 lines
2.8 KiB
C#
using Foxnouns.Backend.Database.Models;
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using Microsoft.EntityFrameworkCore;
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namespace Foxnouns.Backend.Database;
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public static class FlagQueryExtensions
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{
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private static async Task<List<PrideFlag>> GetFlagsAsync(
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this DatabaseContext db,
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Snowflake userId
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) => await db.PrideFlags.Where(f => f.UserId == userId).OrderBy(f => f.Id).ToListAsync();
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/// <summary>
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/// Sets the user's profile flags to the given IDs. Returns a validation error if any of the flag IDs are unknown
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/// or if too many IDs are given. Duplicates are allowed.
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/// </summary>
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public static async Task<ValidationError?> SetUserFlagsAsync(
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this DatabaseContext db,
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Snowflake userId,
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Snowflake[] flagIds
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)
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{
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List<UserFlag> currentFlags = await db
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.UserFlags.Where(f => f.UserId == userId)
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.ToListAsync();
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foreach (UserFlag flag in currentFlags)
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db.UserFlags.Remove(flag);
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// If there's no new flags to set, we're done
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if (flagIds.Length == 0)
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return null;
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if (flagIds.Length > 100)
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return ValidationError.LengthError("Too many profile flags", 0, 100, flagIds.Length);
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List<PrideFlag> flags = await db.GetFlagsAsync(userId);
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Snowflake[] unknownFlagIds = flagIds.Where(id => flags.All(f => f.Id != id)).ToArray();
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if (unknownFlagIds.Length != 0)
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return ValidationError.GenericValidationError("Unknown flag IDs", unknownFlagIds);
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IEnumerable<UserFlag> userFlags = flagIds.Select(id => new UserFlag
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{
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PrideFlagId = id,
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UserId = userId,
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});
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db.UserFlags.AddRange(userFlags);
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return null;
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}
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public static async Task<ValidationError?> SetMemberFlagsAsync(
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this DatabaseContext db,
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Snowflake userId,
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Snowflake memberId,
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Snowflake[] flagIds
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)
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{
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List<MemberFlag> currentFlags = await db
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.MemberFlags.Where(f => f.MemberId == memberId)
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.ToListAsync();
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foreach (MemberFlag flag in currentFlags)
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db.MemberFlags.Remove(flag);
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if (flagIds.Length == 0)
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return null;
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if (flagIds.Length > 100)
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return ValidationError.LengthError("Too many profile flags", 0, 100, flagIds.Length);
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List<PrideFlag> flags = await db.GetFlagsAsync(userId);
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Snowflake[] unknownFlagIds = flagIds.Where(id => flags.All(f => f.Id != id)).ToArray();
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if (unknownFlagIds.Length != 0)
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return ValidationError.GenericValidationError("Unknown flag IDs", unknownFlagIds);
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IEnumerable<MemberFlag> memberFlags = flagIds.Select(id => new MemberFlag
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{
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PrideFlagId = id,
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MemberId = memberId,
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});
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db.MemberFlags.AddRange(memberFlags);
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return null;
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}
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}
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