Clear User Channel History Command (#88)

* Add: Clear user channel message history command

* Update: Checks if messages are empty and has clearer replies

* Fix: Issue where duplication happens on channel-toggle true in threads

* Update: version increment

* Fix: Missing test case for commands.test.ts

* Readability fix

---------

Co-authored-by: Jonathan Smoley <67881240+JT2M0L3Y@users.noreply.github.com>

src/commands/cleanUserChannelHistory.ts

@@ -0,0 +1,34 @@
+import { ChannelType, Client, CommandInteraction, TextChannel } from 'discord.js'
+import { SlashCommand } from '../utils/commands.js'
+import { clearChannelInfo } from '../utils/index.js'
+
+export const ClearUserChannelHistory: SlashCommand = {
+    name: 'clear-user-channel-history',
+    description: 'clears history for user running this command in current channel',
+
+    // Clear channel history for intended user
+    run: async (client: Client, interaction: CommandInteraction) => {
+        // fetch current channel
+        const channel = await client.channels.fetch(interaction.channelId)
+
+        // if not an existing channel or a GuildText, fail command
+        if (!channel || channel.type !== ChannelType.GuildText) return
+
+        // clear channel info for user
+        const successfulWipe = await clearChannelInfo(interaction.channelId, 
+            interaction.channel as TextChannel, 
+            interaction.user.username)
+
+        // check result of clearing history
+        if (successfulWipe)
+            interaction.reply({ 
+                content: `Channel history in **${channel.name}** cleared for **${interaction.user.username}**.`, 
+                ephemeral: true
+            })
+        else
+            interaction.reply({ 
+                content: `Channel history could not be found for **${interaction.user.username}** in **${channel.name}**.\n\nPlease chat with **${client.user?.username}** to start a chat history.`, 
+                ephemeral: true
+            })
+    }
+}