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Parameter preconditions and typereader overriding

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This commit is contained in:
FiniteReality
2016-11-19 15:12:04 +00:00
parent d8c0f0aa4c
commit b7a5ee6542
6 changed files with 105 additions and 11 deletions
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19
src/Discord.Net.Commands/Info/CommandInfo.cs
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@@ -135,9 +135,26 @@ namespace Discord.Commands
if (map == null)
map = DependencyMap.Empty;
object[] args = null;
try
{
args = GenerateArgs(argList, paramList);
}
catch (Exception ex)
{
return ExecuteResult.FromError(ex);
}
foreach (var parameter in Parameters)
{
var result = await parameter.CheckPreconditionsAsync(context, args, map).ConfigureAwait(false);
if (!result.IsSuccess)
return ExecuteResult.FromError(result);
}
try
{
var args = GenerateArgs(argList, paramList);
switch (RunMode)
{
case RunMode.Sync: //Always sync

42
src/Discord.Net.Commands/Info/ParameterInfo.cs
View File

@@ -1,5 +1,7 @@
using System;
using System.Linq;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Discord.Commands.Builders;
@@ -10,6 +12,17 @@ namespace Discord.Commands
{
private readonly TypeReader _reader;
public CommandInfo Command { get; }
public string Name { get; }
public string Summary { get; }
public bool IsOptional { get; }
public bool IsRemainder { get; }
public bool IsMultiple { get; }
public Type Type { get; }
public object DefaultValue { get; }
public IReadOnlyList<ParameterPreconditionAttribute> Preconditions { get; }
internal ParameterInfo(ParameterBuilder builder, CommandInfo command, CommandService service)
{
Command = command;
@@ -23,17 +36,30 @@ namespace Discord.Commands
Type = builder.ParameterType;
DefaultValue = builder.DefaultValue;
Preconditions = builder.Preconditions.ToImmutableArray();
_reader = builder.TypeReader;
}
public CommandInfo Command { get; }
public string Name { get; }
public string Summary { get; }
public bool IsOptional { get; }
public bool IsRemainder { get; }
public bool IsMultiple { get; }
public Type Type { get; }
public object DefaultValue { get; }
public async Task<PreconditionResult> CheckPreconditionsAsync(CommandContext context, object[] args, IDependencyMap map = null)
{
if (map == null)
map = DependencyMap.Empty;
int position = 0;
for(position = 0; position < Command.Parameters.Count; position++)
if (Command.Parameters[position] == this)
break;
foreach (var precondition in Preconditions)
{
var result = await precondition.CheckPermissions(context, this, args[position]).ConfigureAwait(false);
if (!result.IsSuccess)
return result;
}
return PreconditionResult.FromSuccess();
}
public async Task<TypeReaderResult> Parse(CommandContext context, string input)
{