Alter 4 files

Add `.gitignore`
Add `LICENSE`
Add `aocDiscordConfig.json.example`
Add `main.py`

.gitignore

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+aocDiscordConfig.json
+aocDiscordData.json

LICENSE

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+MIT License
+
+Copyright (c) 2022 codemicro
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

aocDiscordConfig.json.example

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+{
+    "session": "your AoC session token",
+    "leaderboardID": "your AoC private leaderboard ID, as a string",
+    "webhook": "your Discord webhook URL",
+    "email_address": "your email address, used as a user agent when sending requests to AoC"
+}

main.py

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+#!/usr/bin/env python3
+import json
+import requests
+import datetime
+import time
+
+CONFIG_FILE = "aocDiscordConfig.json"
+DATA_FILE = "aocDiscordData.json"
+
+
+def get_star_state(n, day, is_part_two):
+    target_bit = ((day - 1) * 2) + (1 if is_part_two else 0)
+    return (n & (1 << target_bit)) != 0
+
+
+def count_stars(n):
+    x = 0
+    while n != 0:
+        if n & 1 == 1:
+            x += 1
+        n = n >> 1
+    return x
+
+
+def transform_response(x):
+    res = {}
+    for user_id in x["members"]:
+        n = 0
+        for day_number in x["members"][user_id]["completion_day_level"]:
+            day = int(day_number)
+            if "1" in x["members"][user_id]["completion_day_level"][day_number]:
+                n = n | (1 << ((day - 1) * 2))
+            if "2" in x["members"][user_id]["completion_day_level"][day_number]:
+                n = n | (1 << (((day - 1) * 2) + 1))
+        res[user_id] = n
+    return res
+
+
+def dump_data(dat):
+    f = open(DATA_FILE, "w")
+    json.dump(transform_response(dat), f)
+    f.close()
+
+
+def make_embed(player, day, part, time):
+    return {
+        "title": f"{player} solved day {day}, part {part}!",
+        "color": 0xFFFF66 if part == "2" else 0x9999CC,
+        "timestamp": datetime.datetime.fromtimestamp(int(time)).isoformat(),
+    }
+
+
+def send_embeds(url, embeds):
+    while len(embeds) != 0:
+        time.sleep(1)
+        n = 10
+        if len(embeds) < n:
+            n = len(embeds)
+
+        requests.post(url, json={"embeds": embeds[:n]}).raise_for_status()
+
+        embeds = embeds[n:]
+
+
+def main():
+    # load settings
+    with open(CONFIG_FILE) as f:
+        raw_json = json.load(f)
+        SESSION_TOKEN = raw_json["session"]
+        LEADERBOARD_ID = raw_json["leaderboardID"]
+        WEBHOOK_URL = raw_json["webhook"]
+        EMAIL_ADDR = raw_json["email_address"]
+
+    r = requests.get(
+        f"https://adventofcode.com/2022/leaderboard/private/view/{LEADERBOARD_ID}.json",
+        cookies={"session": SESSION_TOKEN},
+        headers={"User-Agent": EMAIL_ADDR},
+    )
+    r.raise_for_status()
+    response = r.json()
+
+    # load cache file
+    try:
+        f = open(DATA_FILE)
+        historial_data = json.load(f)
+        f.close()
+    except FileNotFoundError:
+        dump_data(response)
+        return
+
+    embeds = []
+    for user_id in response["members"]:
+        n = historial_data.get(user_id, 0)
+        historical_num_stars = count_stars(n)
+        current_num_stars = response["members"][user_id]["stars"]
+
+        if current_num_stars != historical_num_stars:
+
+            for day_number in response["members"][user_id]["completion_day_level"]:
+                day = int(day_number)
+                ds = response["members"][user_id]["completion_day_level"][day_number]
+
+                if not get_star_state(n, day, False) and "1" in ds:
+                    embeds.append(
+                        make_embed(
+                            response["members"][user_id]["name"],
+                            day_number,
+                            "1",
+                            response["members"][user_id]["completion_day_level"][
+                                day_number
+                            ]["1"]["get_star_ts"],
+                        )
+                    )
+                if not get_star_state(n, day, True) and "2" in ds:
+                    embeds.append(
+                        make_embed(
+                            response["members"][user_id]["name"],
+                            day_number,
+                            "2",
+                            response["members"][user_id]["completion_day_level"][
+                                day_number
+                            ]["2"]["get_star_ts"],
+                        )
+                    )
+
+    send_embeds(WEBHOOK_URL, embeds)
+
+    dump_data(response)
+
+
+if __name__ == "__main__":
+    main()