Implement fetching new league users

install/database_schema.sql

@@ -68,7 +68,9 @@
 DROP TABLE IF EXISTS users CASCADE;
 CREATE TABLE users (
   id SERIAL PRIMARY KEY,
-  player_name TEXT NOT NULL UNIQUE
+  player_name TEXT NOT NULL UNIQUE,
+  /* Can be null */
+  discord_tag TEXT UNIQUE
 );
 
 

install/default_config.yaml

@@ -81,3 +81,8 @@ excluded_variants:
   - Synesthesia
   - Throw
   - White
+
+# ID of Google spreadsheet containing the signups
+# If the url of your spreadsheet is https://docs.google.com/spreadsheets/d/.../edit#gid=...,
+# the spreadsheet id is the (here omitted) part between /d/ and /edit
+spreadsheet-id: ''

main.py

@@ -9,6 +9,8 @@ import config
 import constants
 import database
 import log_setup
+import fetch_players
+import fetch_games
 
 from log_setup import logger
 
@@ -42,6 +44,16 @@ def subcommand_generate_config():
     config.create_config()
 
 
+def subcommand_fetch(target: str):
+    if target in ["all", "players"]:
+        fetch_players.fetch_players_interactive()
+    if target in ["all", "games"]:
+        games = fetch_games.fetch_games_for_all_players()
+        fetch_games.store_new_games(games)
+    if target in ["all", "game-details"]:
+        fetch_games.fetch_all_game_details()
+
+
 def get_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(
         prog=constants.APP_NAME,
@@ -57,6 +69,9 @@ def get_parser() -> argparse.ArgumentParser:
 
     subparsers.add_parser('generate-config', help='Generate config file at default location')
 
+    fetch_parser = subparsers.add_parser('fetch', help='Fetch new data.')
+    fetch_parser.add_argument(dest='target', choices=['all', 'players', 'games', 'game-details'], default='all')
+
     return parser
 
 
@@ -66,7 +81,8 @@ def main():
 
     subcommand_func = {
         'init': subcommand_init,
-        'generate-config': subcommand_generate_config
+        'generate-config': subcommand_generate_config,
+        'fetch': subcommand_fetch
     }[args.command]
 
     if args.verbose:

src/config.py

@@ -196,6 +196,11 @@ class Config:
 
         logger.error("Unexpected config format for entry {} in 'variant_base_ratings'".format(variant_name))
 
+    @property
+    @check_config_attr
+    def google_spreadsheet_id(self):
+        return self._config["spreadsheet-id"]
+
 
 def get_config_path():
     config_dir = Path(platformdirs.user_config_dir(constants.APP_NAME, ensure_exists=True))

src/database.py

@@ -197,10 +197,11 @@ def add_user_name_to_player(hanabi_username: str, player_name: str):
                         existing_username, existing_player_name
                     ))
             else:
-                logger.error(
+                err_msg = "Hanabi username {} is already associated to player {}, cannot register it to player {}.".format(
-                    "Hanabi username {} is already associated to player {}, cannot register it to player {}.".format(
                     res[0], res[1], player_name
-                    ))
+                )
+                logger.error(err_msg)
+                raise ValueError(err_msg)
             return
         cur.execute(
             "INSERT INTO user_accounts (username, normalized_username, user_id) VALUES (%s, %s, %s)",
@@ -249,3 +250,9 @@ def get_variant_ids():
     cur = conn_manager.get_new_cursor()
     cur.execute("SELECT id FROM variants")
     return [var_id for (var_id,) in cur.fetchall()]
+
+
+def get_player_names():
+    cur = conn_manager.get_new_cursor()
+    cur.execute("SELECT player_name FROM users ORDER BY player_name")
+    return [player_name for (player_name,) in cur.fetchall()]

src/fetch_players.py

@@ -0,0 +1,104 @@
+from dataclasses import dataclass
+from typing import List, Optional
+
+import requests_cache
+import platformdirs
+import csv
+
+import constants
+from config import config_manager
+import database
+from log_setup import logger
+
+session = requests_cache.CachedSession(
+    platformdirs.user_cache_dir(constants.APP_NAME) + '/google-docs.requests-cache',
+    urls_expire_after={"*": 60 * 5}  # Cache entries for 5 minutes (good especially during development)
+)
+
+
+@dataclass
+class Registration:
+    user_account: str
+    player_name: str
+    discord_tag: Optional[str]
+
+
+def fetch_csv() -> List[str]:
+    config = config_manager.get_config()
+    url = "https://docs.google.com/spreadsheets/d/{}/gviz/tq?tqx=out:csv".format(config.google_spreadsheet_id)
+    response = session.get(url)
+    if not response.status_code == 200:
+        err_msg = "Failed to fetch signup spreadsheet, url tried was {}".format(url)
+        logger.error(err_msg)
+        raise ConnectionError(err_msg)
+    return response.text.split("\n")
+
+
+def parse_csv(lines: List[str]):
+    reader = csv.reader(lines, delimiter=",", quotechar='"')
+    ret = []
+    for row in reader:
+        if len(row) != 0:
+            user_account = row[1]
+            player_name = row[2]
+            discord_tag = row[3]
+            ret.append(Registration(user_account, player_name, discord_tag))
+    # We ignore the first row, since that corresponds to the column names
+    return ret[1:]
+
+
+def get_new_registrations():
+    data = fetch_csv()
+    registrations = sorted(parse_csv(data), key=lambda registration: registration.player_name.lower())
+    registered_players = database.get_player_names()
+
+    new_registrations = []
+
+    i = 0  # Index in registrations
+    j = 0  # Index in registered players
+    # We will traverse both lists at the same time, where we maintain the invariant that j always points to the
+    # lowest index whose player name is at least as big as where i points to:
+    while i < len(registrations):
+        if j == len(registered_players) or registrations[i].player_name.lower() < registered_players[j].lower():
+            new_registrations.append(registrations[i])
+            i += 1
+        elif registrations[i].player_name == registered_players[j]:
+            i += 1
+        else:
+            j += 1
+    return new_registrations
+
+
+def check_account_exists(user_account):
+    response = session.get("https://hanab.live/history/{}".format(user_account))
+    ok = response.status_code == 200
+    return ok
+
+
+def ask_for_registration_confirmations(registrations: List[Registration], check_existence: bool = True) -> List[Registration]:
+    accepted = []
+    for registration in registrations:
+        if check_existence and not check_account_exists(registration.user_account):
+            logger.warning("Rejecting registration {}: Account does not exist on hanab.live".format(registration))
+            continue
+        response = input("Accept registration account={}, player_name={}, discord_tag={}? [Y/n]".format(
+            registration.user_account, registration.player_name, registration.discord_tag
+        ))
+        if response in ["y", "Y", ""]:
+            accepted.append(registration)
+            logger.info("Accepted registration".format())
+        else:
+            logger.info("Rejected registration")
+    return accepted
+
+
+def fetch_players_interactive():
+    logger.info("Fetching new players.")
+    regs = get_new_registrations()
+    if len(regs) == 0:
+        logger.info("No new players to register")
+        return
+    accepted = ask_for_registration_confirmations(regs)
+    for registration in accepted:
+        database.add_player(registration.user_account, registration.player_name)
+    logger.info("Successfully registered {} new players".format(len(accepted)))