From 0cbe074151cd49370e9ef8adfa20c407eaeff179 Mon Sep 17 00:00:00 2001
From: Noikoio <noikoio1@gmail.com>
Date: Sun, 15 Oct 2017 17:22:21 -0700
Subject: [PATCH] Added 'say' command type

---
 Feature/ModTools/CommandBase.cs  |  3 +-
 Feature/ModTools/Commands/Say.cs | 75 ++++++++++++++++++++++++++++++++
 RegexBot.csproj                  |  2 +-
 3 files changed, 78 insertions(+), 2 deletions(-)
 create mode 100644 Feature/ModTools/Commands/Say.cs

diff --git a/Feature/ModTools/CommandBase.cs b/Feature/ModTools/CommandBase.cs
index c496277..2f8e720 100644
--- a/Feature/ModTools/CommandBase.cs
+++ b/Feature/ModTools/CommandBase.cs
@@ -42,7 +42,8 @@ namespace Noikoio.RegexBot.Feature.ModTools
             {
                 // Define all command types and their corresponding Types here
                 { "ban",        typeof(Commands.Ban) },
-                { "kick",       typeof(Commands.Kick) }
+                { "kick",       typeof(Commands.Kick) },
+                { "say",        typeof(Commands.Say) }
             });
 
         public static CommandBase CreateInstance(ModTools root, JProperty def)
diff --git a/Feature/ModTools/Commands/Say.cs b/Feature/ModTools/Commands/Say.cs
new file mode 100644
index 0000000..8138891
--- /dev/null
+++ b/Feature/ModTools/Commands/Say.cs
@@ -0,0 +1,75 @@
+using Discord;
+using Discord.WebSocket;
+using Newtonsoft.Json.Linq;
+using System;
+using System.Threading.Tasks;
+
+namespace Noikoio.RegexBot.Feature.ModTools.Commands
+{
+    class Say : CommandBase
+    {
+        public Say(ModTools l, string label, JObject conf) : base(l, label, conf) { }
+
+        // TODO: Whitelist/blacklist - to limit which channels it can "say" into
+
+        public override async Task Invoke(SocketGuild g, SocketMessage msg)
+        {
+            string[] line = msg.Content.Split(new char[] { ' ' }, 3, StringSplitOptions.RemoveEmptyEntries);
+            if (line.Length <= 1)
+            {
+                await SendUsageMessage(msg, ":x: You must specify a channel.");
+                return;
+            }
+            if (line.Length <= 2 || string.IsNullOrWhiteSpace(line[2]))
+            {
+                await SendUsageMessage(msg, ":x: You must specify a message.");
+                return;
+            }
+
+            var ch = GetTextChannelFromString(g, line[1]);
+            if (ch == null) await SendUsageMessage(msg, ":x: Unable to find given channel.");
+            await ch.SendMessageAsync(line[2]);
+        }
+
+        private async Task SendUsageMessage(SocketMessage m, string message)
+        {
+            string desc = $"{this.Command} [channel] [message]\n";
+            desc += "Displays the given message exactly as specified to the given channel.";
+
+            var usageEmbed = new EmbedBuilder()
+            {
+                Title = "Usage",
+                Description = desc
+            };
+            await m.Channel.SendMessageAsync(message ?? "", embed: usageEmbed);
+        }
+
+        private SocketTextChannel GetTextChannelFromString(SocketGuild g, string input)
+        {
+            // Method 1: Check for channel mention
+            // Note: SocketGuild.GetTextChannel(ulong) returns null if no match.
+            var m = ChannelMention.Match(input);
+            if (m.Success)
+            {
+                ulong channelId = ulong.Parse(m.Groups["snowflake"].Value);
+                return g.GetTextChannel(channelId);
+            }
+
+            // Method 2: Check if specified in string, scan manually
+            if (input.StartsWith('#'))
+            {
+                input = input.Substring(1);
+                if (input.Length <= 0) return null;
+                foreach (var c in g.Channels)
+                {
+                    if (string.Equals(c.Name, input, StringComparison.InvariantCultureIgnoreCase))
+                    {
+                        return c as SocketTextChannel;
+                    }
+                }
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/RegexBot.csproj b/RegexBot.csproj
index 82b8819..b89ca07 100644
--- a/RegexBot.csproj
+++ b/RegexBot.csproj
@@ -4,7 +4,7 @@
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp2.0</TargetFramework>
     <RootNamespace>Noikoio.RegexBot</RootNamespace>
-    <AssemblyVersion>2.1.0.0</AssemblyVersion>
+    <AssemblyVersion>2.1.1.0</AssemblyVersion>
     <Description>Highly configurable Discord moderation bot</Description>
     <Authors>Noikoio</Authors>
     <Company />