Adding new DB Command and functions

ChaosBot/Database/Repository/CommandPermissionRepository.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using ChaosBot.Database.Entity;
+using Microsoft.Data.Sqlite;
+
+namespace ChaosBot.Database.Repository
+{
+    public static class CommandPermissionRepository
+    {
+        private static readonly string Table = "CommandPermissions";
+
+        /// <summary>
+        /// Fetch all <c>CommandPermission</c>s filtered by guildId
+        /// </summary>
+        /// <param name="guildId"></param>
+        /// <returns>List of Commands and Permissions</returns>
+        public static CommandPermissions[] All(long guildId)
+        {
+            var cmds = CommandPermissions.Query().Where("guildId", guildId).All();
+
+            return cmds.ToArray();
+        }
+
+        /// <summary>
+        /// Get all <c>CommandPermission</c>s for a command filtered by guild
+        /// </summary>
+        /// <param name="cmd"></param>
+        /// <param name="guildId"></param>
+        /// <returns>List of raffles</returns>
+        public static CommandPermissions[] getPerm(string cmd, long guildId)
+        {
+            List<CommandPermissions> cmds = CommandPermissions.Query().Where("cmd", cmd).Where("guildId", guildId).Get();
+
+            if(cmds.Count != 0) return cmds.ToArray();
+
+            return null;
+        }
+    }
+}

ChaosBot/Discord/Modules/AdminCommands.cs

@@ -16,7 +16,8 @@ namespace ChaosBot.Discord.Modules
         [Command("clear")]
         [Alias("purge")]
         [RequireBotPermission(GuildPermission.ManageMessages)]
-        [RequireUserPermission(GuildPermission.ManageMessages)] 
+        [RequireUserPermission(GuildPermission.ManageMessages)]
+        [CheckCommandPerm]
         public async Task ClearCommand(int msgtoDelete = 1)
         {
             try

ChaosBot/Discord/PreConditions/CheckCommandPerm.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using ChaosBot;
+using ChaosBot.Database.Repository;
+using Discord.Commands;
+using Discord.WebSocket;
+
+public class CheckCommandPerm : PreconditionAttribute
+{
+    private string _cmd { get; set; }
+
+    public override Task<PreconditionResult> CheckPermissionsAsync(ICommandContext context, CommandInfo command, IServiceProvider services)
+    {
+        string requiredGroup = null;
+
+        if (context.User is SocketGuildUser gUser)
+        {
+            var results = CommandPermissionRepository.getPerm(command.Name, Convert.ToInt64(context.Guild.Id));
+
+            Program._logger.Info(command.Name);
+
+           if(results != null)
+            {
+                foreach (var perm in results)
+                {
+                    if (perm.type == "role")
+                        requiredGroup = ConfigurationRepository.GetValue<string>($"Role:{perm.value}", context.Guild.Id) ?? perm.value;
+                    else
+                        requiredGroup = perm.value;
+
+                    if (gUser.Roles.Any(r => r.Name == requiredGroup))
+                        return Task.FromResult(PreconditionResult.FromSuccess());
+                }
+            }
+            else
+            {
+                Program._logger.Info($"Value: Null Value");
+            }
+
+            return Task.FromResult(PreconditionResult.FromError($"You do not have access to this command."));
+        }
+        else
+            return Task.FromResult(PreconditionResult.FromError("You must be in a guild to run this command."));
+    }
+}