Move Hanukkah to Holidays folder

Hannukah was previously in the Christmas folder, which was weird.
This now moves it to its own folder under Holidays.

2 files changed, 113 insertions, 0 deletions

diff --git a/bot/exts/holidays/hanukkah/__init__.py b/bot/exts/holidays/hanukkah/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/bot/exts/holidays/hanukkah/__init__.py
diff --git a/bot/exts/holidays/hanukkah/hanukkah_embed.py b/bot/exts/holidays/hanukkah/hanukkah_embed.py
new file mode 100644
index 00000000..00125be3
--- /dev/null
+++ b/bot/exts/holidays/hanukkah/hanukkah_embed.py
@@ -0,0 +1,113 @@
+import datetime
+import logging
+
+from discord import Embed
+from discord.ext import commands
+
+from bot.bot import Bot
+from bot.constants import Colours, Month
+from bot.utils.decorators import in_month
+
+log = logging.getLogger(__name__)
+
+HEBCAL_URL = (
+    "https://www.hebcal.com/hebcal/?v=1&cfg=json&maj=on&min=on&mod=on&nx=on&"
+    "year=now&month=x&ss=on&mf=on&c=on&geo=geoname&geonameid=3448439&m=50&s=on"
+)
+
+
+class HanukkahEmbed(commands.Cog):
+    """A cog that returns information about Hanukkah festival."""
+
+    def __init__(self, bot: Bot):
+        self.bot = bot
+        self.hanukkah_days = []
+        self.hanukkah_months = []
+        self.hanukkah_years = []
+
+    async def get_hanukkah_dates(self) -> list[str]:
+        """Gets the dates for hanukkah festival."""
+        hanukkah_dates = []
+        async with self.bot.http_session.get(HEBCAL_URL) as response:
+            json_data = await response.json()
+        festivals = json_data["items"]
+        for festival in festivals:
+            if festival["title"].startswith("Chanukah"):
+                date = festival["date"]
+                hanukkah_dates.append(date)
+        return hanukkah_dates
+
+    @in_month(Month.DECEMBER)
+    @commands.command(name="hanukkah", aliases=("chanukah",))
+    async def hanukkah_festival(self, ctx: commands.Context) -> None:
+        """Tells you about the Hanukkah Festivaltime of festival, festival day, etc)."""
+        hanukkah_dates = await self.get_hanukkah_dates()
+        self.hanukkah_dates_split(hanukkah_dates)
+        hanukkah_start_day = int(self.hanukkah_days[0])
+        hanukkah_start_month = int(self.hanukkah_months[0])
+        hanukkah_start_year = int(self.hanukkah_years[0])
+        hanukkah_end_day = int(self.hanukkah_days[8])
+        hanukkah_end_month = int(self.hanukkah_months[8])
+        hanukkah_end_year = int(self.hanukkah_years[8])
+
+        hanukkah_start = datetime.date(hanukkah_start_year, hanukkah_start_month, hanukkah_start_day)
+        hanukkah_end = datetime.date(hanukkah_end_year, hanukkah_end_month, hanukkah_end_day)
+        today = datetime.date.today()
+        # today = datetime.date(2019, 12, 24) (for testing)
+        day = str(today.day)
+        month = str(today.month)
+        year = str(today.year)
+        embed = Embed(title="Hanukkah", colour=Colours.blue)
+        if day in self.hanukkah_days and month in self.hanukkah_months and year in self.hanukkah_years:
+            if int(day) == hanukkah_start_day:
+                now = datetime.datetime.utcnow()
+                hours = now.hour + 4  # using only hours
+                hanukkah_start_hour = 18
+                if hours < hanukkah_start_hour:
+                    embed.description = (
+                        "Hanukkah hasnt started yet, "
+                        f"it will start in about {hanukkah_start_hour - hours} hour/s."
+                    )
+                    await ctx.send(embed=embed)
+                    return
+                elif hours > hanukkah_start_hour:
+                    embed.description = (
+                        "It is the starting day of Hanukkah! "
+                        f"Its been {hours - hanukkah_start_hour} hours hanukkah started!"
+                    )
+                    await ctx.send(embed=embed)
+                    return
+            festival_day = self.hanukkah_days.index(day)
+            number_suffixes = ["st", "nd", "rd", "th"]
+            suffix = number_suffixes[festival_day - 1 if festival_day <= 3 else 3]
+            message = ":menorah:" * festival_day
+            embed.description = f"It is the {festival_day}{suffix} day of Hanukkah!\n{message}"
+            await ctx.send(embed=embed)
+        else:
+            if today < hanukkah_start:
+                festival_starting_month = hanukkah_start.strftime("%B")
+                embed.description = (
+                    f"Hanukkah has not started yet. "
+                    f"Hanukkah will start at sundown on {hanukkah_start_day}th "
+                    f"of {festival_starting_month}."
+                )
+            else:
+                festival_end_month = hanukkah_end.strftime("%B")
+                embed.description = (
+                    f"Looks like you missed Hanukkah!"
+                    f"Hanukkah ended on {hanukkah_end_day}th of {festival_end_month}."
+                )
+
+            await ctx.send(embed=embed)
+
+    def hanukkah_dates_split(self, hanukkah_dates: list[str]) -> None:
+        """We are splitting the dates for hanukkah into days, months and years."""
+        for date in hanukkah_dates:
+            self.hanukkah_days.append(date[8:10])
+            self.hanukkah_months.append(date[5:7])
+            self.hanukkah_years.append(date[0:4])
+
+
+def setup(bot: Bot) -> None:
+    """Load the Hanukkah Embed Cog."""
+    bot.add_cog(HanukkahEmbed(bot))