1 # Copyright (c) 2012 netzguerilla.net <iro@netzguerilla.net>

     2 # 

     3 # This file is part of Iro.

     4 # 

     5 # Permission is hereby granted, free of charge, to any person obtaining a copy of

     6 # this software and associated documentation files (the "Software"), to deal in

     7 # the Software without restriction, including without limitation the rights to use,

     8 # copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the

     9 # #Software, and to permit persons to whom the Software is furnished to do so,

    10 # subject to the following conditions:

    11 # 

    12 # The above copyright notice and this permission notice shall be included in

    13 # all copies or substantial portions of the Software.

    14 # 

    15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,

    16 # INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A

    17 # PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

    18 # HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION

    19 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

    20 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

    21 

    22 from .dbdefer import dbdefer

    23 

    24 import schema

    25 from ..config import configParser

    26 from ..offer import getProvider, Offer

    27 

    28 @dbdefer

    29 def extendProvider(session, user, typ, ps):

    30     """extend and reduce the offer list to allowed routes for **user**.

    31 

    32     - extend the "default" to the default offerlist of the **user**.

    33     - extend a Provider name to all routes of that provider.

    34 

    35     :param session: a valid session ( created by decorator :func:`iro.model.dbdefer.dbdefer`)

    36     :param `iro.model.schema.User` user: a user object

    37     :param string typ: typ of the message

    38     :param ps: a list of strings or a string, each one offer name or provider name

    39     :return: a extended an reduced offer list

    40     """

    41     user = session.merge(user)

    42     ret = []

    43     if ps == "default" or ps == ["default"]:

    44         ps = (q[0] for q in  user.routes(typ,default=True))

    45     for p in ps:

    46         if p not in ret and user.has_right(typ, offer_name = p): 

    47                 ret.append(p)

    48         elif user.providers(typ).filter(schema.Offer.provider==p).first():

    49             for r in providers[p].typs[typ]:

    50                 n = user.has_right(typ, provider=p, route=r)

    51                 if n and n not in ret:

    52                     ret.append(n)

    53     return ret

    54 

    55 @dbdefer

    56 def loadOffers(session):

    57     """loading Offers from database and configuration file and store them in :attr:`~iro.model.offer.offers` and :attr:`~iro.model.offer.providers`.

    58 

    59     :param session: a valid session ( created by decorator :func:`iro.model.dbdefer.dbdefer`)

    60     """

    61     offers.clear()

    62     providers.clear()

    63     for provider in ( s for s in configParser.sections() if not s in ["main",]):

    64         p=getProvider(provider,configParser.get(provider,"typ"),configParser.items(provider))

    65         for t in p.typs:

    66             for r in p.typs[t]:

    67                 n = schema.Offer.get(session, provider, r, t).name

    68                 offers[n]=Offer(provider=p,route=r,typ=t,name=n)

    69         providers[provider]=p

    70 

    71 offers={}

    72 """A dict of all available offers -- key is the offer name"""

    73 

    74 providers={}

    75 """A dict of all available providers -- key is the provider name"""

    76 

    77 

    78 configParser.registerReload(loadOffers)

    79