def create_game(self, user, cat, game_type=0):
""" create a new game for the user given the category
set the cu
:param user: User object
:param cat: models.Category object
:param pages: records from model.Page given cat
:return: None
"""
self.game = CurrentGame(user=user, category=cat)
#set starting values for game
# get the pages associated with the category (cat)
self.update_game()
self.common_log = self.game
s = "event: game_created "
s = '%s %s' % (s , self.common_log)
self.logger.info(s)
self.set_pages_to_use(game_type)
#set starting page order for game
self.generate_page_ordering()
# now set the first page to find in the game
self.set_next_page()
# save to db
self.update_game()
class GameMechanic(object):
def __init__(self, search_engine=None, max_score=1000, max_queries=20, max_pages=5, max_queries_per_page=5,game_length_in_seconds=0):
"""
:return: GameMechanic object
"""
self.game = None
self.search_engine = search_engine
self.max_score = max_score
self.max_queries = max_queries
self.max_pages = max_pages
self.max_queries_per_page = max_pages
self.game_length_in_seconds = game_length_in_seconds
self.logger = get_ifind_logger(__name__)
self.common_log = None
self.round_log = None
self.game_over = 0
def create_game(self, user, cat, game_type=0):
""" create a new game for the user given the category
set the cu
:param user: User object
:param cat: models.Category object
:param pages: records from model.Page given cat
:return: None
"""
self.game = CurrentGame(user=user, category=cat)
#set starting values for game
# get the pages associated with the category (cat)
self.update_game()
self.common_log = self.game
s = "event: game_created "
s = '%s %s' % (s , self.common_log)
self.logger.info(s)
self.set_pages_to_use(game_type)
#set starting page order for game
self.generate_page_ordering()
# now set the first page to find in the game
self.set_next_page()
# save to db
self.update_game()
def retrieve_game(self, user, game_id):
""" find the game associated with this user, and return the
record from ifind.models.game_models.CurrentGame
:param user:
:param game_id:
:return: True, if game is found, else False, if not
"""
self.game = None
found = False
# look up model for game_id
# try except here?
cg = CurrentGame.objects.get(id=game_id)
# if found, set self.game to game record
if cg:
self.game = cg
self.set_pages_to_use(0)
found = True
return found
def is_game_over(self):
""" checks if the game is over
:param game:
:return: True if the end game criteria have been met, else False
"""
# example criteria for the game end
if (self.get_round_no() > self.max_pages):
return True
else:
return False
def get_round_no(self):
return self.game.no_rounds+1
def get_game_player_name(self):
return self.game.user.username
def get_final_round_no(self):
return self.game.no_rounds
def get_game_category_name(self):
return self.game.category.name
def double_bonus(self):
if self.game.bonus == 0:
self.game.bonus = 100
elif self.game.bonus < 3200:
self.game.bonus *= 2
def reset_bonus(self):
self.game.bonus = 0
def get_max_rounds(self):
return self.max_pages
def get_current_score(self):
return self.game.current_score
def get_no_of_queries_issued(self):
return self.game.no_of_queries_issued
def get_no_of_successful_queries_issued(self):
return self.game.no_of_successful_queries_issued
def get_no_of_queries_issued_for_current_page(self):
return self.game.no_of_queries_issued_for_current_page
def reset_no_of_queries_issued_for_current_page(self):
self.game.no_of_queries_issued_for_current_page = 0
def get_no_rounds_completed(self):
return self.game.no_rounds_completed
def get_remaining_rounds(self):
return self.get_max_rounds() - self.get_round_no()
def get_search_results(self, query, top=10):
return self._run_query(query,top)
def get_game_id(self):
return self.game.id
def get_current_page(self):
return self.game.current_page
def _increment_queries_issued(self, query_successful=False):
self.game.no_of_queries_issued += 1
self.game.current_page.no_of_queries_issued += 1
self.game.no_of_queries_issued_for_current_page += 1
up = UserProfile.objects.get(user=self.game.user)
up.no_queries_issued += 1
if query_successful:
self.game.current_page.no_times_retrieved += 1
self.game.no_of_successful_queries_issued += 1
up.no_successful_queries_issued += 1
self.game.current_page.save()
up.save()
def _increment_round(self, round_successful=False):
self.game.no_rounds += 1
if round_successful:
self.double_bonus()
self.game.no_rounds_completed += 1
else:
self.reset_bonus()
def _increment_score(self, points=0):
self.game.current_score += points
def update_game(self):
""" make updates to game then save to db
:param game:
:return: None
"""
self.game.save()
def set_pages_to_use(self, game_type):
""" select a bunch of pages given the category and the game type
:param game_type:
:return: None
"""
self.pages = Page.objects.filter(category=self.game.category)
#TODO
#todo(leifos): check the number of pages does exceed MAX_PAGES
def generate_page_ordering(self):
""" given the list self.pages, create the ordering of pages for the game
:param pages:
:return:
"""
# use the RotationOrdering class to gen the orderinga
ro = RotationOrdering()
print self.pages
page_list = ro.get_ordering(self.pages)
# set the page_list to the the game
#TODO
self.logger.debug(page_list)
set_page_list(self.game, page_list)
def set_next_page(self):
"""
:return: True if next page is set, else False
"""
# from game get the page_list
page_list = get_page_list(self.game)
l = len(page_list)
# given the round, select the page_id from page_list
r = self.game.no_rounds
if r < l:
page_id = page_list[r]
self.reset_no_of_queries_issued_for_current_page()
print r, page_id
else:
return False
# associate the page from the page model to game
try:
self.game.current_page = self.pages.get(id=page_id)
self.game.current_page.no_times_shown += 1
self.game.current_page.save()
round_log = '%s %d' % (self.game.current_page.url, r)
s = 'event:page_shown %s %s' % (self.game , round_log)
self.logger.info(s)
return True
except:
self.game.current_page = None
return False
def take_points(self):
success = False
round_log = 'page_url: %s %d' % (self.game.current_page.url, self.game.no_rounds)
if self.game.last_query_score > 0:
self._increment_score(self.game.last_query_score)
success = True
s = 'event:points_taken %s %s %d' % (self.game , round_log , self.game.last_query_score)
self.logger.info(s)
else:
s = 'event:page_skipped %s %s' % (self.game , round_log)
self.logger.info(s)
self._increment_round(success)
self.game.last_query_score = 0
self.game.last_query = ''
#self.update_game()
# increment round here ?????
def handle_query(self, query):
score = self._score_query(query)
self.game.last_query = query
self.game.last_query_score = score
success = False
if score > 0:
success = True
self._increment_queries_issued(success)
def _score_query(self, query):
"""sends query to the search engine, checks if the page is returned,
assign score to page, based on the rank
:param query_terms: string
:param url_to_find: string
:return: integer
"""
results = self._run_query(query)
rank = self._check_result(results)
query_len = self.get_no_terms(query)
#query_len = self.query_char_len(query)
score = self._score_rank(rank, self.game.bonus, query_len)
common_log = 'event: issue_query %s' % (self.game)
round_log = '%s %d' % (self.game.current_page.url, self.game.no_rounds)
info_log = '%d %d %s' % (score, rank, query)
log = '%s %s %s' % (common_log, round_log, info_log)
self.logger.info(log)
return score
def get_no_terms(self, query):
terms = query.strip().split(' ')
'''
Since the site:gla.ac.uk is added to the end of the query,
this would count as a one term in the query
So, this will be removed by subtracting by 1
'''
#game no longer uses site:gla
query_len = len(terms) #-1
return query_len
def query_char_len(self, query):
'''
Get num of chars in query terms
'''
return len(query)
def _run_query(self, query ,top=10):
import sys
path = '/home/arazzouk/ifind'
if path not in sys.path:
sys.path.append(path)
from ifind.search.query import Query
from ifind.search.response import Response
""" constructs ifind.search.query, and issues it to the search_engine
:param query:
:return: ifind.search.response
"""
# construct ifind.search.query Query
iquery = Query(query, result_type="web",top=top)
# issue query to self.search_engine
iresponse = self.search_engine.search(iquery)
return iresponse
def _run_query2(self, query):
import sys
path = '/home/arazzouk/ifind'
if path not in sys.path:
sys.path.append(path)
from ifind.search.query import Query
from ifind.search.response import Response
""" constructs ifind.search.query, and issues it to the search_engine
:param query:
:return: ifind.search.response
"""
# construct ifind.search.query Query
iquery = Query(query, result_type="web")
# issue query to self.search_engine
iresponse = self.search_engine.search(iquery)
return iresponse.to_json
def _check_result(self, response):
""" iterates through the response looking for what rank the url is at
:param response: ifind.search.response
:param url_to_find: url string
:return: rank of the url if found, else 0
"""
url_to_find = self.game.current_page.url
# is url_to_fin in response??
#iterate through response
i = 0
for result in response.results:
i +=1
if result.url == url_to_find:
return i
return 0
def _score_rank(self, rank, bonus=0, query_len=0):
"""
calculates the score based on the rank of the page
:param rank: integer
:return: integer
"""
score = 0
if rank > 0:
score = self.max_score / rank
return score
def handle_game_over(self):
s = "event: game_over %s" % (self.game)
self.logger.info(s)
if self.game.user.username != "anon":
#HighScore.objects.all().delete()
hs = HighScore.objects.get_or_create(user=self.game.user,category=self.game.category)
if hs:
if self.game.current_score > hs[0].highest_score:
hs[0].highest_score = self.game.current_score
hs[0].save()
if self.game.no_rounds_completed > hs[0].most_no_pages_found:
hs[0].most_no_pages_found = self.game.no_rounds_completed
hs[0].save()
else:
HighScore(user=self.game.user,category=self.game.category, highest_score=self.game.current_score, most_no_pages_found=self.game.no_rounds_completed).save()
all_hs = HighScore.objects.filter(user=self.game.user)
gac = game_achievements.GameAchievementChecker(self.game.user)
up = UserProfile.objects.get(user=self.game.user)
return gac.check_and_set_new_achievements(up,all_hs,self.game)
def get_last_query_score(self):
return self.game.last_query_score
def get_last_query(self):
return self.game.last_query
def __str__(self):
if self.game:
return 'Game %d - Current Score: %d for ' \
'user: %s \nPlaying category: %s round: %d queries issued: %d \n' \
'\nPage to find: %s' \
% (self.game.id, self.game.current_score, self.game.user, self.game.category, self.get_round_no(), self.game.no_of_queries_issued, self.game.current_page)
else:
return 'Unitialised Game'
