From f94bda7c4f00fa9a61a0ebbe9a335cf430c88835 Mon Sep 17 00:00:00 2001
From: Matthew R <matthew@staff.libraryofcode.org>
Date: Tue, 5 May 2020 19:13:39 -0400
Subject: [PATCH] add commands to add/delete/list redirect links

---
 src/commands/addredirect.ts   | 38 +++++++++++++++++++++++++
 src/commands/delredirect.ts   | 26 +++++++++++++++++
 src/commands/listredirects.ts | 53 +++++++++++++++++++++++++++++++++++
 3 files changed, 117 insertions(+)
 create mode 100644 src/commands/addredirect.ts
 create mode 100644 src/commands/delredirect.ts
 create mode 100644 src/commands/listredirects.ts

diff --git a/src/commands/addredirect.ts b/src/commands/addredirect.ts
new file mode 100644
index 0000000..79aa97f
--- /dev/null
+++ b/src/commands/addredirect.ts
@@ -0,0 +1,38 @@
+import { Message } from 'eris';
+import { Client, Command } from '../class';
+
+export default class AddRedirect extends Command {
+  constructor(client: Client) {
+    super(client);
+    this.name = 'addredirect';
+    this.description = 'Adds a redirect link for \'loc.sh\'';
+    this.usage = 'addredirect <redirect to url> <key>';
+    this.aliases = ['ar'];
+    this.permissions = 6;
+    this.enabled = true;
+  }
+
+  public async run(message: Message, args: string[]) {
+    try {
+      if (!args[0]) return this.client.commands.get('help').run(message, [this.name]);
+      const check = await this.client.db.redirect.findOne({ key: args[1].toLowerCase() });
+      if (check) return this.error(message.channel, `Redirect key ${args[1].toLowerCase()} already exists. Linked to: ${check.to}`);
+      try {
+        const test = new URL(args[0].toLowerCase());
+        if (test.protocol !== 'https:') return this.error(message.channel, 'Protocol must be HTTPS.');
+      } catch {
+        return this.error(message.channel, 'This doesn\'t appear to be a valid URL.');
+      }
+      if ((/^[a-zA-Z0-9]+$/gi.test(args[1].toLowerCase()) === false) || args[1].toLowerCase().length > 15) return this.error(message.channel, 'Invalid key. The key must be alphanumeric and less than 16 characters.');
+      // eslint-disable-next-line new-cap
+      const redirect = new this.client.db.redirect({
+        key: args[1].toLowerCase(),
+        to: args[0].toLowerCase(),
+      });
+      await redirect.save();
+      return this.success(message.channel, `Redirect https://loc.sh/${args[1].toLowerCase()} -> ${args[0].toLowerCase()} is now active.`);
+    } catch (err) {
+      return this.client.util.handleError(err, message, this);
+    }
+  }
+}
diff --git a/src/commands/delredirect.ts b/src/commands/delredirect.ts
new file mode 100644
index 0000000..7c864f7
--- /dev/null
+++ b/src/commands/delredirect.ts
@@ -0,0 +1,26 @@
+import { Message } from 'eris';
+import { Client, Command } from '../class';
+
+export default class DelRedirect extends Command {
+  constructor(client: Client) {
+    super(client);
+    this.name = 'delredirect';
+    this.description = 'Delete a redirect link for \'loc.sh\'';
+    this.usage = 'delredirect <key>';
+    this.aliases = ['dr'];
+    this.permissions = 6;
+    this.enabled = true;
+  }
+
+  public async run(message: Message, args: string[]) {
+    try {
+      if (!args[0]) return this.client.commands.get('help').run(message, [this.name]);
+      const check = await this.client.db.redirect.findOne({ key: args[0].toLowerCase() });
+      if (!check) return this.error(message.channel, `Redirect key ${args[0].toLowerCase()} doesn't exist.`);
+      await this.client.db.redirect.deleteOne({ key: args[0].toLowerCase() });
+      return this.success(message.channel, `Deleted redirect https://loc.sh/${args[0].toLowerCase()}.`);
+    } catch (err) {
+      return this.client.util.handleError(err, message, this);
+    }
+  }
+}
diff --git a/src/commands/listredirects.ts b/src/commands/listredirects.ts
new file mode 100644
index 0000000..59efaa7
--- /dev/null
+++ b/src/commands/listredirects.ts
@@ -0,0 +1,53 @@
+import { Message } from 'eris';
+import { createPaginationEmbed } from 'eris-pagination';
+import { Client, Command, RichEmbed } from '../class';
+
+export default class DelRedirect extends Command {
+  constructor(client: Client) {
+    super(client);
+    this.name = 'listredirects';
+    this.description = 'Delete a redirect link for \'loc.sh\'';
+    this.usage = 'listredirects [key || redirect to]';
+    this.aliases = ['getredirect', 'lsredirects', 'listlinks', 'lsr', 'gr'];
+    this.permissions = 6;
+    this.enabled = true;
+  }
+
+  public async run(message: Message, args: string[]) {
+    try {
+      if (args[0]) {
+        const redirects = await this.client.db.redirect.find({ $or: [{ key: args[0].toLowerCase() }, { to: args[0].toLowerCase() }] });
+        if (!redirects) return this.error(message.channel, 'Could not find an entry matching that query.');
+        const embed = new RichEmbed();
+        embed.setTitle('Redirect Information');
+        for (const redirect of redirects) {
+          embed.addField(redirect.key, redirect.to);
+        }
+        embed.setFooter(this.client.user.username, this.client.user.avatarURL);
+        embed.setTimestamp();
+        return message.channel.createMessage({ embed });
+      }
+      const redirects = await this.client.db.redirect.find();
+      if (!redirects) return this.error(message.channel, 'No redirect links found.');
+      const redirectArray: [{ name: string, value: string }?] = [];
+      for (const redirect of redirects) {
+        redirectArray.push({ name: redirect.key, value: redirect.to });
+      }
+      const splitRedirects = this.client.util.splitFields(redirectArray);
+      const cmdPages: RichEmbed[] = [];
+      splitRedirects.forEach((split) => {
+        const embed = new RichEmbed();
+        embed.setTitle('Redirect Information');
+        embed.setTimestamp();
+        embed.setFooter(this.client.user.username, this.client.user.avatarURL);
+        embed.setDescription(`Command list for ${this.client.user.username}`);
+        split.forEach((c) => embed.addField(c.name, c.value));
+        return cmdPages.push(embed);
+      });
+      if (cmdPages.length === 1) return message.channel.createMessage({ embed: cmdPages[0] });
+      return createPaginationEmbed(message, cmdPages);
+    } catch (err) {
+      return this.client.util.handleError(err, message, this);
+    }
+  }
+}