public Task <OperationResult <long> > CreateInfractionAsync(InfractionType type, ulong guildId, ulong subjectId, string reason, TimeSpan?duration)
=> Operation.Start
// Validation
.Require(!string.IsNullOrWhiteSpace(reason),
() => new InfractionReasonMissingError())
.Require(reason.Length <= 1000,
() => new InfractionReasonTooLongError(actualLength: reason.Length, maxLength: 1000))
// Authorization
.ContinueOnSuccessAsync(() => AuthorizationService
.RequireClaimsAsync(_requiredClaimsByInfractionType[type]))
.ContinueOnSuccessAsync(() => AuthorizationService
.RequireRankOverSubjectAsync(guildId, subjectId))
// Acquire Guild API
.ContinueOnSuccessAsync(() => UserService
.GetGuildUser(guildId, subjectId))
// Try perform mute
.DoOnSuccessWhenAsync(type == InfractionType.Mute,
guildUser => DesignatedRoleService
// Retrieve mute role
.SearchDesignatedRolesAsync(new DesignatedRoleMappingSearchCriteria()
{
GuildId = guildId,
Type = DesignatedRoleType.ModerationMute,
IsDeleted = false
})
.AsSuccessAsync()
.RequireOnSuccessAsync(
roleMappings => roleMappings.Any(),
() => new ModerationMuteRoleNotConfiguredError())
.RequireOnSuccessAsync(
roleMappings => roleMappings.Count == 1,
() => new ModerationMuteRoleMultipleConfigurationsError())
.ContinueOnSuccessAsync(roleMappings => roleMappings
.First()
.Role.Id
.AsSuccess())
// Verify user is not muted
.RequireOnSuccessAsync(
roleId => !guildUser.RoleIds.Contains(roleId),
() => new ModerationSubjectAlreadyMutedError())
// Discord API
.ContinueOnSuccessAsync(roleId => guildUser
.Guild
.GetRole(roleId)
.AsSuccess())
// Perform mute
.BranchOnSuccessAsync(role =>
guildUser.AddRoleAsync(role)))
// Try perform ban
.DoOnSuccessWhenAsync(type == InfractionType.Ban,
guildUser => guildUser.Guild
.AsSuccess()
// Verify user is not banned
.DoOnSuccessAsync(guild => guild
.GetBansAsync()
.AsSuccessAsync()
.RequireOnSuccessAsync(bans => !bans.Any(x => x.User.Id == guildUser.Id),
() => new ModerationSubjectAlreadyBannedError()))
// Perform ban
.BranchOnSuccessAsync(guild =>
guild.AddBanAsync(guildUser.Id)))
// Perform database operations
.ContinueOnSuccessAsync(async() =>
{
using (var deleteTransaction = await InfractionRepository.BeginDeleteTransactionAsync())
using (var createTransaction = await InfractionRepository.BeginCreateTransactionAsync())
{
return(await Operation.Start
// Delete existing active Mute/Ban infractions, if any, so we can create a new one
.BranchWhenAsync((type == InfractionType.Mute) || (type == InfractionType.Ban),
() => Operation.Start
.ContinueAsync(InfractionRepository.SearchIdsAsync(new InfractionSearchCriteria()
{
GuildId = guildId,
Types = new[] { type },
SubjectId = subjectId,
IsRescinded = false,
IsDeleted = false
}).AsSuccessAsync())
.BranchOnSuccessWhenAsync(bans => bans.Any(),
bans => InfractionRepository
.TryDeleteAsync(
bans,
SelfUser.Id)))
// Record new infraction
.ContinueOnSuccessAsync(() => InfractionRepository.CreateAsync(new InfractionCreationData()
{
GuildId = guildId,
Type = type,
Reason = reason,
Duration = duration,
SubjectId = subjectId,
CreatedById = AuthorizationService.CurrentUserId
?? SelfUser.Id
}))
.BranchOnSuccess(() =>
{
deleteTransaction.Commit();
createTransaction.Commit();
}));
}
});