113 lines
3.3 KiB
Python
113 lines
3.3 KiB
Python
from mod_python import *
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import psql,helper,login
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DEBUG = 1
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def display_game_creation_form(req,sessionid,username):
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"""
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prints a html form with multiple drop-down lists for choosing players,
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goban size and so on.
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gets a mod_python request, prints to req.write.
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"""
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data = helper.header()
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p1data = create_user_dropdown_list("player1",username)
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p2data = create_user_dropdown_list("player2")
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gobansize = create_goban_size_dropdown_list("gobansize")
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#start form
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#choose player one (black),choose player two (white),choose goban size
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#'hidden' session id and username
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data += """
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<form method="post">
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<p>Player One (Black): %s </p>
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<p>Player Two (White): %s </p>
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<p>Goban Size: %s fields </p>
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<input type="hidden" name="sessionid" value="%s">
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<input type="hidden" name="username" value="%s">
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<input type="submit" id="submit" name="create" value="create game">
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</form>
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""" % (p1data,p2data,gobansize,sessionid,username)
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data+=helper.footer()
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req.write(data)
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def process_creation_form(req,form):
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"""
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validates and processes the game creation form.
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If everything was ok, a game will be created.
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"""
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player1 = form["player1"]
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player2 = form["player2"]
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username = form["username"]
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#check if at least one of the players is the current user
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if (player1 == username) or (player2 == username):
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#create game
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gamename = psql.create_goban_table(player1,player2,int(form["gobansize"]))
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#update entries for player one and player two
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for player in [player1,player2]:
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gameslot = psql.get_free_game_slot(player)
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if gameslot != "":
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psql.set_game_slot(player,gameslot,gamename)
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else:#should not happen: no free game slot.
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#print error msg
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req.write("Error: No free game slots for player "+player+"!")
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#display form again
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display_game_creation_form(req,form["sessionid"],username)
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#TODO:game created, now display game overview form
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login.game_overview_form(req,form,username,form["sessionid"])
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else:
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#give error message
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req.write("Sorry, you must be one of the players!<br>")
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#display form again
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display_game_creation_form(req,form["sessionid"],username)
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def create_user_dropdown_list(listname,selected = ""):
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"""
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gets a name for the generated list and, optionally, the preselected value.
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returns a <select> form as string.
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"""
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userlist = psql.get_users_with_free_game_slots()
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data = '<select name="%s">' % listname
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for item in userlist:
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#check whether current item = item for preselection
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if item == selected:
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tmp = 'selected'
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else:
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tmp = ''
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data += '<option %s> %s </option>' % (tmp,item)
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data += '</select>'
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return data
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def create_goban_size_dropdown_list(listname):
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"""
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gets a name, returns a string with a html form for selecting the goban size.
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"""
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data = """
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<select name="%s">
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<option> 9 </option>
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<option> 13 </option>
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<option> 19 </option>
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</select>
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""" % listname
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return data
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def main(req,form):
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"""
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display and process forms for game creation.
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gets a request object and a util.FieldStorage form.
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returns nothing.
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"""
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if DEBUG:
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req.write(str(form.keys())+"<hr>")
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username = form["username"]
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#TODO:check if valid session id
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sessionid = form["sessionid"]
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if "gobansize" in form.keys(): #user already clicked on create
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process_creation_form(req,form)
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else:
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display_game_creation_form(req,sessionid,username)
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