first api-interaction, fix auth_method unique-index

bot/utils.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+import enum
 import subprocess
 from datetime import datetime
 
@@ -15,3 +16,37 @@ def get_git_head_hash():
 
 def utcnow() -> datetime:
     return datetime.now(pytz.UTC)
+
+
+class DiscordTimestampStyle(str, enum.Enum):
+    """
+    Timestamp Styles
+
+    t	16:20	                        Short Time
+    T	16:20:30	                    Long Time
+    d	20/04/2021	                    Short Date
+    D	20 April 2021	                Long Date
+    f *	20 April 2021 16:20	            Short Date/Time
+    F	Tuesday, 20 April 2021 16:20	Long Date/Time
+    R	2 months ago	                Relative Time
+
+    See https://discord.com/developers/docs/reference#message-formatting-timestamp-styles
+    """
+
+    default = ""
+    short_time = "t"
+    long_time = "T"
+    short_date = "d"
+    long_date = "D"
+    short_date_time = "f"
+    long_date_time = "F"
+    relative_time = "R"
+
+
+def discord_timestamp(d: datetime, style: DiscordTimestampStyle = DiscordTimestampStyle.default):
+    parts = ["<t:", str(int(d.timestamp()))]
+    if style:
+        parts.append(":")
+        parts.append(style)
+    parts.append(">")
+    return "".join(parts)