/game/info api endpoint

1 files changed, 70 insertions, 0 deletions

diff --git a/api/game/info.py b/api/game/info.py
new file mode 100644
index 0000000..64812d8
--- /dev/null
+++ b/api/game/info.py
@@ -0,0 +1,70 @@
+from flask import Blueprint, request
+from functools import reduce
+from db import cursor
+from auth.login_token import token_login
+from user.info import format_user
+from ruleset import resolve_ruleset
+
+def outcome(outcome_str, player_1):
+    outcome_int = { "w": 1, "l": -1, "d": 0 }[outcome_str]
+    if not player_1: outcome_int *= -1
+    return { 1: "w", -1: "l", 0: "d" }[outcome_int]
+
+def format_game(game_id, user_id = None):
+    game = cursor.execute("select " + ", ".join([
+        "game_id",               # 0
+        "parent_game",           # 1
+        "moves",                 # 2
+        "player_1_id",           # 3
+        "player_2_id",           # 4
+        "outcome",               # 5
+        "created",               # 6
+        "started",               # 7
+        "duration",              # 8
+        "rating_delta_player_1", # 9
+        "rating_delta_player_2", # 10
+        "ruleset",               # 11
+        "status",                # 12
+        "private",               # 13
+        ]) + " from games where game_id = ?", [game_id]).fetchone()
+    is_player_1 = game[4] != user_id
+    opponent = game[4] if is_player_1 else game[3]
+    return {
+        "id": game[0],
+        "parent": game[1],
+        "moves": [] if len(game[2]) == 0 else [int(move) for move in str(game[2] + "0").split(",")],
+        "opponent": None if not opponent else format_user(opponent),
+        "outcome": None if not game[5] else outcome(game[5], is_player_1),
+        "created": game[6],
+        "started": game[7],
+        "duration": game[8],
+        "rating": game[9] if is_player_1 else game[10],
+        "rating_opponent": game[10] if is_player_1 else game[9],
+        "ruleset": resolve_ruleset(game[11]),
+        "status": game[12],
+        "private": bool(game[13]),
+    }
+
+def valid_game_id(game_id):
+    query = cursor.execute("select game_id from games where game_id = ?", [game_id]).fetchone()
+    return bool(query)
+
+game_info = Blueprint('game_info', __name__)
+
+@game_info.route('/info', methods = ['POST'])
+def index():
+    data = request.get_json()
+    if not data: return "", 400
+
+    game_id = data.get("id") or ""
+    if not game_id: return "", 400
+
+    user_id = None
+    token = request.cookies.get("token") or ""
+    if token: user_id = token_login(token)
+
+    if not valid_game_id(game_id): return "", 403
+
+    return format_game(game_id, user_id), 200
+
+dynamic_route = ["/game", game_info]