67 lines
3.1 KiB
C#
67 lines
3.1 KiB
C#
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using RegexBot.Modules.ModCommands.Commands;
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using System.Collections.ObjectModel;
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using System.Reflection;
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namespace RegexBot.Modules.ModCommands;
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class ModuleConfig {
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public ReadOnlyDictionary<string, CommandConfig> Commands { get; }
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public ModuleConfig(ModCommands instance, JToken conf) {
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if (conf.Type != JTokenType.Array)
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throw new ModuleLoadException("Command definitions must be defined as objects in a JSON array.");
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// Command instance creation
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var commands = new Dictionary<string, CommandConfig>(StringComparer.OrdinalIgnoreCase);
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foreach (var def in conf.Children<JObject>()) {
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string Label;
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Label = def[nameof(Label)]?.Value<string>()
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?? throw new ModuleLoadException($"'{nameof(Label)}' was not defined in a command definition.");
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var cmd = CreateCommandInstance(instance, def);
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if (commands.ContainsKey(cmd.Command)) {
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throw new ModuleLoadException(
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$"{Label}: The command name '{cmd.Command}' is already in use by '{commands[cmd.Command].Label}'.");
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}
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commands.Add(cmd.Command, cmd);
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}
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Commands = new ReadOnlyDictionary<string, CommandConfig>(commands);
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}
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private static readonly ReadOnlyDictionary<string, Type> _commandTypes = new(
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new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase) {
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{ "ban", typeof(Ban) },
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{ "confreload", typeof(ConfReload) },
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{ "kick", typeof(Kick) },
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{ "say", typeof(Say) },
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{ "unban", typeof(Unban) },
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{ "addrole", typeof(RoleAdd) },
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{ "roleadd", typeof(RoleAdd) },
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{ "delrole", typeof(RoleDel) },
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{ "roledel", typeof(RoleDel) }
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}
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);
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private static CommandConfig CreateCommandInstance(ModCommands instance, JObject def) {
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var label = def[nameof(CommandConfig.Label)]?.Value<string>()!;
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var command = def[nameof(CommandConfig.Command)]?.Value<string>();
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if (string.IsNullOrWhiteSpace(command))
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throw new ModuleLoadException($"{label}: '{nameof(CommandConfig.Command)}' was not specified.");
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if (command.Contains(' '))
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throw new ModuleLoadException($"{label}: '{nameof(CommandConfig.Command)}' must not contain spaces.");
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string? Type;
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Type = def[nameof(Type)]?.Value<string>();
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if (string.IsNullOrWhiteSpace(Type))
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throw new ModuleLoadException($"'{nameof(Type)}' must be specified within definition for '{label}'.");
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if (!_commandTypes.TryGetValue(Type, out Type? cmdType)) {
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throw new ModuleLoadException($"{label}: '{nameof(Type)}' does not have a valid value.");
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} else {
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try {
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return (CommandConfig)Activator.CreateInstance(cmdType, instance, def)!;
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} catch (TargetInvocationException ex) when (ex.InnerException is ModuleLoadException) {
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throw new ModuleLoadException($"{label}: {ex.InnerException.Message}");
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}
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}
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}
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}
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