From af7902e7dea4915613d0e6407edf65a51a6e7ff4 Mon Sep 17 00:00:00 2001
From: Dragory <dragory.up@gmail.com>
Date: Thu, 12 Jul 2018 03:02:47 +0300
Subject: [PATCH] Add guild member join logging

---
 src/plugins/Logs.ts | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/plugins/Logs.ts b/src/plugins/Logs.ts
index 3eb5857d..a57ab382 100644
--- a/src/plugins/Logs.ts
+++ b/src/plugins/Logs.ts
@@ -1,10 +1,11 @@
-import { Plugin } from "knub";
+import { decorators as d, Plugin } from "knub";
 import { GuildServerLogs } from "../data/GuildServerLogs";
 import { LogType } from "../data/LogType";
 import { TextChannel } from "eris";
-import { formatTemplateString } from "../utils";
+import { formatTemplateString, stripObjectToScalars } from "../utils";
 import DefaultLogMessages from "../data/DefaultLogMessages.json";
 import moment from "moment-timezone";
+import humanizeDuration from "humanize-duration";
 
 interface ILogChannel {
   include?: LogType[];
@@ -72,4 +73,19 @@ export class LogsPlugin extends Plugin {
       return formatted;
     }
   }
+
+  @d.event("guildMemberAdd")
+  onMemberJoin(_, member) {
+    const newThreshold = moment().valueOf() - 1000 * 60 * 60;
+    const accountAge = humanizeDuration(moment().valueOf() - member.createdAt, {
+      largest: 2,
+      round: true
+    });
+
+    this.log(LogType.MEMBER_JOIN, {
+      member: stripObjectToScalars(member, ["user"]),
+      new: member.createdAt >= newThreshold ? " :new:" : "",
+      account_age: accountAge
+    });
+  }
 }