Netskrafl/admin.py at master · acmeguy/Netskrafl · GitHub

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# -*- coding: utf-8 -*-

""" Admin web server for netskrafl.appspot.com

    Author: Vilhjalmur Thorsteinsson, 2015

    This web server module uses the Flask framework to implement
    an admin web area for Netskrafl.

    Note: SCRABBLE is a registered trademark. This software or its author
    are in no way affiliated with or endorsed by the owners or licensees
    of the SCRABBLE trademark.

"""

import logging

from flask import render_template, jsonify
from flask import request
from google.appengine.ext import ndb, deferred

import netskrafl
from languages import Alphabet
from skrafldb import Context, UserModel, GameModel
from skraflgame import User, Game


# We're plugging in to the normal Netskrafl Flask app
app = netskrafl.app


@app.route("/admin/usercount", methods=['POST'])
def admin_usercount():
    """ Return a count of UserModel entities """
    count = UserModel.count()
    return jsonify(count = count)


def deferred_update():
    """ Update all users in the datastore with lowercase nick and full name """
    logging.info("Deferred user update starting")
    CHUNK_SIZE = 200
    count = 0
    offset = 0
    Context.disable_cache()
    try:
        q = UserModel.query()
        while True:
            ulist = []
            chunk = 0
            for um in q.fetch(CHUNK_SIZE, offset = offset):
                chunk += 1
                if um.nick_lc is None:
                    try:
                        um.nick_lc = um.nickname.lower()
                        um.name_lc = um.prefs.get("full_name", "").lower() if um.prefs else ""
                        ulist.append(um)
                    except Exception as e:
                        logging.info("Exception in deferred_update() when setting nick_lc: {0}".format(e))
            if ulist:
                try:
                    ndb.put_multi(ulist)
                    count += len(ulist)
                except Exception as e:
                    logging.info("Exception in deferred_update() when updating ndb: {0}".format(e))
            if chunk < CHUNK_SIZE:
                break
            offset += CHUNK_SIZE
    except Exception as e:
        logging.info("Exception in deferred_update(): {0}, already updated {1} records".format(e, count))
        # Do not retry the task
        raise deferred.PermanentTaskFailure()
    logging.info("Completed updating {0} user records".format(count))


@app.route("/admin/userupdate", methods=['GET'])
def admin_userupdate():
    """ Start a user update background task """
    logging.info("Starting user update")
    deferred.defer(deferred_update)
    return "<html><body><p>User update started</p></body></html>"


@app.route("/admin/setfriend", methods=['GET'])
def admin_setfriend():
    """ Start a user update background task """
    uid = request.args.get("uid", "")
    state = request.args.get("state", "1") # Default: set as friend
    try:
        state = bool(int(state))
    except:
        return "<html><body><p>Invalid state string: '{0}'</p></body></html>".format(state)
    u = User.load_if_exists(uid) if uid else None
    if u is None:
        return "<html><body><p>Unknown user id '{0}'</p></body></html>".format(uid)
    was_friend = u.friend()
    u.set_friend(state)
    u.set_has_paid(state)
    u.update()
    logging.info("Friend state of user {0} manually set to {1}".format(uid, state))
    return "<html><body><p>User '{0}': friend state was '{2}', set to '{1}'</p></body></html>".format(uid, state, was_friend)


@app.route("/admin/fetchgames", methods=['GET', 'POST'])
def admin_fetchgames():
    """ Return a JSON representation of all finished games """
    # noinspection PyPep8
    q = GameModel.query(GameModel.over == True).order(GameModel.ts_last_move)
    gamelist = []
    for gm in q.fetch():
        gamelist.append(dict(
            id = gm.key.id(),
            ts = Alphabet.format_timestamp(gm.timestamp),
            lm = Alphabet.format_timestamp(gm.ts_last_move or gm.timestamp),
            p0 = None if gm.player0 is None else gm.player0.id(),
            p1 = None if gm.player1 is None else gm.player1.id(),
            rl = gm.robot_level,
            s0 = gm.score0,
            s1 = gm.score1,
            pr = gm.prefs
        ))
    return jsonify(gamelist = gamelist)


@app.route("/admin/loadgame", methods=['POST'])
def admin_loadgame():
    """ Fetch a game object and return it as JSON """

    uuid = request.form.get("uuid", None)
    game = None

    if uuid:
        # Attempt to load the game whose id is in the URL query string
        game = Game.load(uuid)

    if game:
        board = game.state.board()
        g = dict(
            uuid = game.uuid,
            timestamp = Alphabet.format_timestamp(game.timestamp),
            player0 = game.player_ids[0],
            player1 = game.player_ids[1],
            robot_level = game.robot_level,
            ts_last_move = Alphabet.format_timestamp(game.ts_last_move),
            irack0 = game.initial_racks[0],
            irack1 = game.initial_racks[1],
            prefs = game._preferences,
            over = game.is_over(),
            moves = [ (m.player, m.move.summary(board),
                m.rack, Alphabet.format_timestamp(m.ts)) for m in game.moves ]
        )
    else:
        g = None

    return jsonify(game = g)


@app.route("/admin/main")
def admin_main():
    """ Show main administration page """

    return render_template("admin.html")