git.maemo.org Git - gc-dialer/blob - src/session.py

   1 from __future__ import with_statement
   2
   3 import os
   4 import time
   5 import datetime
   6 import logging
   7
   8 try:
   9         import cPickle
  10         pickle = cPickle
  11 except ImportError:
  12         import pickle
  13
  14 from PyQt4 import QtCore
  15
  16 from util import qore_utils
  17 from util import concurrent
  18 from util import misc as misc_utils
  19
  20 import constants
  21
  22
  23 _moduleLogger = logging.getLogger(__name__)
  24
  25
  26 class _DraftContact(object):
  27
  28         def __init__(self, title, description, numbersWithDescriptions):
  29                 self.title = title
  30                 self.description = description
  31                 self.numbers = numbersWithDescriptions
  32                 self.selectedNumber = numbersWithDescriptions[0][0]
  33
  34
  35 class Draft(QtCore.QObject):
  36
  37         sendingMessage = QtCore.pyqtSignal()
  38         sentMessage = QtCore.pyqtSignal()
  39         calling = QtCore.pyqtSignal()
  40         called = QtCore.pyqtSignal()
  41         cancelling = QtCore.pyqtSignal()
  42         cancelled = QtCore.pyqtSignal()
  43         error = QtCore.pyqtSignal(str)
  44
  45         recipientsChanged = QtCore.pyqtSignal()
  46
  47         def __init__(self, pool, backend):
  48                 QtCore.QObject.__init__(self)
  49                 self._contacts = {}
  50                 self._pool = pool
  51                 self._backend = backend
  52
  53         def send(self, text):
  54                 assert 0 < len(self._contacts)
  55                 numbers = [contact.selectedNumber for contact in self._contacts.itervalues()]
  56                 le = concurrent.AsyncLinearExecution(self._pool, self._send)
  57                 le.start(numbers, text)
  58
  59         def call(self):
  60                 assert len(self._contacts) == 1
  61                 (contact, ) = self._contacts.itervalues()
  62                 le = concurrent.AsyncLinearExecution(self._pool, self._call)
  63                 le.start(contact.selectedNumber)
  64
  65         def cancel(self):
  66                 le = concurrent.AsyncLinearExecution(self._pool, self._cancel)
  67                 le.start()
  68
  69         def add_contact(self, contactId, title, description, numbersWithDescriptions):
  70                 if contactId in self._contacts:
  71                         _moduleLogger.info("Adding duplicate contact %r" % contactId)
  72                         # @todo Remove this evil hack to re-popup the dialog
  73                         self.recipientsChanged.emit()
  74                         return
  75                 contactDetails = _DraftContact(title, description, numbersWithDescriptions)
  76                 self._contacts[contactId] = contactDetails
  77                 self.recipientsChanged.emit()
  78
  79         def remove_contact(self, contactId):
  80                 assert contactId in self._contacts
  81                 del self._contacts[contactId]
  82                 self.recipientsChanged.emit()
  83
  84         def get_contacts(self):
  85                 return self._contacts.iterkeys()
  86
  87         def get_num_contacts(self):
  88                 return len(self._contacts)
  89
  90         def get_title(self, cid):
  91                 return self._contacts[cid].title
  92
  93         def get_description(self, cid):
  94                 return self._contacts[cid].description
  95
  96         def get_numbers(self, cid):
  97                 return self._contacts[cid].numbers
  98
  99         def get_selected_number(self, cid):
 100                 return self._contacts[cid].selectedNumber
 101
 102         def set_selected_number(self, cid, number):
 103                 # @note I'm lazy, this isn't firing any kind of signal since only one
 104                 # controller right now and that is the viewer
 105                 assert number in (nWD[0] for nWD in self._contacts[cid].numbers)
 106                 self._contacts[cid].selectedNumber = number
 107
 108         def clear(self):
 109                 oldContacts = self._contacts
 110                 self._contacts = {}
 111                 if oldContacts:
 112                         self.recipientsChanged.emit()
 113
 114         def _send(self, numbers, text):
 115                 self.sendingMessage.emit()
 116                 try:
 117                         yield (
 118                                 self._backend[0].send_sms,
 119                                 (numbers, text),
 120                                 {},
 121                         )
 122                         self.sentMessage.emit()
 123                         self.clear()
 124                 except Exception, e:
 125                         self.error.emit(str(e))
 126
 127         def _call(self, number):
 128                 self.calling.emit()
 129                 try:
 130                         yield (
 131                                 self._backend[0].call,
 132                                 (number, ),
 133                                 {},
 134                         )
 135                         self.called.emit()
 136                         self.clear()
 137                 except Exception, e:
 138                         self.error.emit(str(e))
 139
 140         def _cancel(self):
 141                 self.cancelling.emit()
 142                 try:
 143                         yield (
 144                                 self._backend[0].cancel,
 145                                 (),
 146                                 {},
 147                         )
 148                         self.cancelled.emit()
 149                 except Exception, e:
 150                         self.error.emit(str(e))
 151
 152
 153 class Session(QtCore.QObject):
 154
 155         stateChange = QtCore.pyqtSignal(str)
 156         loggedOut = QtCore.pyqtSignal()
 157         loggedIn = QtCore.pyqtSignal()
 158         callbackNumberChanged = QtCore.pyqtSignal(str)
 159
 160         contactsUpdated = QtCore.pyqtSignal()
 161         messagesUpdated = QtCore.pyqtSignal()
 162         historyUpdated = QtCore.pyqtSignal()
 163         dndStateChange = QtCore.pyqtSignal(bool)
 164
 165         error = QtCore.pyqtSignal(str)
 166
 167         LOGGEDOUT_STATE = "logged out"
 168         LOGGINGIN_STATE = "logging in"
 169         LOGGEDIN_STATE = "logged in"
 170
 171         _OLDEST_COMPATIBLE_FORMAT_VERSION = misc_utils.parse_version("1.2.0")
 172
 173         _LOGGEDOUT_TIME = -1
 174         _LOGGINGIN_TIME = 0
 175
 176         def __init__(self, cachePath = None):
 177                 QtCore.QObject.__init__(self)
 178                 self._pool = qore_utils.AsyncPool()
 179                 self._backend = []
 180                 self._loggedInTime = self._LOGGEDOUT_TIME
 181                 self._loginOps = []
 182                 self._cachePath = cachePath
 183                 self._username = None
 184                 self._draft = Draft(self._pool, self._backend)
 185
 186                 self._contacts = {}
 187                 self._contactUpdateTime = datetime.datetime(1971, 1, 1)
 188                 self._messages = []
 189                 self._messageUpdateTime = datetime.datetime(1971, 1, 1)
 190                 self._history = []
 191                 self._historyUpdateTime = datetime.datetime(1971, 1, 1)
 192                 self._dnd = False
 193                 self._callback = ""
 194
 195         @property
 196         def state(self):
 197                 return {
 198                         self._LOGGEDOUT_TIME: self.LOGGEDOUT_STATE,
 199                         self._LOGGINGIN_TIME: self.LOGGINGIN_STATE,
 200                 }.get(self._loggedInTime, self.LOGGEDIN_STATE)
 201
 202         @property
 203         def draft(self):
 204                 return self._draft
 205
 206         def login(self, username, password):
 207                 assert self.state == self.LOGGEDOUT_STATE
 208                 assert username != ""
 209                 if self._cachePath is not None:
 210                         cookiePath = os.path.join(self._cachePath, "%s.cookies" % username)
 211                 else:
 212                         cookiePath = None
 213
 214                 if self._username != username or not self._backend:
 215                         from backends import gv_backend
 216                         del self._backend[:]
 217                         self._backend[0:0] = [gv_backend.GVDialer(cookiePath)]
 218
 219                 self._pool.start()
 220                 le = concurrent.AsyncLinearExecution(self._pool, self._login)
 221                 le.start(username, password)
 222
 223         def logout(self):
 224                 assert self.state != self.LOGGEDOUT_STATE
 225                 self._pool.stop()
 226                 self._loggedInTime = self._LOGGEDOUT_TIME
 227                 self._backend[0].persist()
 228                 self._save_to_cache()
 229
 230         def clear(self):
 231                 assert self.state == self.LOGGEDOUT_STATE
 232                 self._backend[0].logout()
 233                 del self._backend[0]
 234                 self._clear_cache()
 235                 self._draft.clear()
 236
 237         def logout_and_clear(self):
 238                 assert self.state != self.LOGGEDOUT_STATE
 239                 self._pool.stop()
 240                 self._loggedInTime = self._LOGGEDOUT_TIME
 241                 self.clear()
 242
 243         def update_contacts(self, force = True):
 244                 if not force and self._contacts:
 245                         return
 246                 le = concurrent.AsyncLinearExecution(self._pool, self._update_contacts)
 247                 self._perform_op_while_loggedin(le)
 248
 249         def get_contacts(self):
 250                 return self._contacts
 251
 252         def get_when_contacts_updated(self):
 253                 return self._contactUpdateTime
 254
 255         def update_messages(self, force = True):
 256                 if not force and self._messages:
 257                         return
 258                 le = concurrent.AsyncLinearExecution(self._pool, self._update_messages)
 259                 self._perform_op_while_loggedin(le)
 260
 261         def get_messages(self):
 262                 return self._messages
 263
 264         def get_when_messages_updated(self):
 265                 return self._messageUpdateTime
 266
 267         def update_history(self, force = True):
 268                 if not force and self._history:
 269                         return
 270                 le = concurrent.AsyncLinearExecution(self._pool, self._update_history)
 271                 self._perform_op_while_loggedin(le)
 272
 273         def get_history(self):
 274                 return self._history
 275
 276         def get_when_history_updated(self):
 277                 return self._historyUpdateTime
 278
 279         def update_dnd(self):
 280                 le = concurrent.AsyncLinearExecution(self._pool, self._update_dnd)
 281                 self._perform_op_while_loggedin(le)
 282
 283         def set_dnd(self, dnd):
 284                 # I'm paranoid about our state geting out of sync so we set no matter
 285                 # what but act as if we have the cannonical state
 286                 assert self.state == self.LOGGEDIN_STATE
 287                 oldDnd = self._dnd
 288                 try:
 289                         yield (
 290                                 self._backend[0].set_dnd,
 291                                 (dnd),
 292                                 {},
 293                         )
 294                 except Exception, e:
 295                         self.error.emit(str(e))
 296                         return
 297                 self._dnd = dnd
 298                 if oldDnd != self._dnd:
 299                         self.dndStateChange.emit(self._dnd)
 300
 301         def get_dnd(self):
 302                 return self._dnd
 303
 304         def get_account_number(self):
 305                 return self._backend[0].get_account_number()
 306
 307         def get_callback_numbers(self):
 308                 # @todo Remove evilness (might call is_authed which can block)
 309                 return self._backend[0].get_callback_numbers()
 310
 311         def get_callback_number(self):
 312                 return self._callback
 313
 314         def set_callback_number(self, callback):
 315                 # I'm paranoid about our state geting out of sync so we set no matter
 316                 # what but act as if we have the cannonical state
 317                 assert self.state == self.LOGGEDIN_STATE
 318                 oldCallback = self._callback
 319                 try:
 320                         yield (
 321                                 self._backend[0].set_callback_number,
 322                                 (callback),
 323                                 {},
 324                         )
 325                 except Exception, e:
 326                         self.error.emit(str(e))
 327                         return
 328                 self._callback = callback
 329                 if oldCallback != self._callback:
 330                         self.callbackNumberChanged.emit(self._callback)
 331
 332         def _login(self, username, password):
 333                 self._loggedInTime = self._LOGGINGIN_TIME
 334                 self.stateChange.emit(self.LOGGINGIN_STATE)
 335                 finalState = self.LOGGEDOUT_STATE
 336                 try:
 337                         isLoggedIn = False
 338
 339                         if not isLoggedIn and self._backend[0].is_quick_login_possible():
 340                                 isLoggedIn = yield (
 341                                         self._backend[0].is_authed,
 342                                         (),
 343                                         {},
 344                                 )
 345                                 if isLoggedIn:
 346                                         _moduleLogger.info("Logged in through cookies")
 347                                 else:
 348                                         # Force a clearing of the cookies
 349                                         yield (
 350                                                 self._backend[0].logout,
 351                                                 (),
 352                                                 {},
 353                                         )
 354
 355                         if not isLoggedIn:
 356                                 isLoggedIn = yield (
 357                                         self._backend[0].login,
 358                                         (username, password),
 359                                         {},
 360                                 )
 361                                 if isLoggedIn:
 362                                         _moduleLogger.info("Logged in through credentials")
 363
 364                         if isLoggedIn:
 365                                 self._loggedInTime = int(time.time())
 366                                 oldUsername = self._username
 367                                 self._username = username
 368                                 finalState = self.LOGGEDIN_STATE
 369                                 self.loggedIn.emit()
 370                                 if oldUsername != self._username:
 371                                         needOps = not self._load()
 372                                 else:
 373                                         needOps = True
 374                                 if needOps:
 375                                         loginOps = self._loginOps[:]
 376                                 else:
 377                                         loginOps = []
 378                                 del self._loginOps[:]
 379                                 for asyncOp in loginOps:
 380                                         asyncOp.start()
 381                 except Exception, e:
 382                         self.error.emit(str(e))
 383                 finally:
 384                         self.stateChange.emit(finalState)
 385
 386         def _load(self):
 387                 updateContacts = len(self._contacts) != 0
 388                 updateMessages = len(self._messages) != 0
 389                 updateHistory = len(self._history) != 0
 390                 oldDnd = self._dnd
 391                 oldCallback = self._callback
 392
 393                 self._contacts = {}
 394                 self._messages = []
 395                 self._history = []
 396                 self._dnd = False
 397                 self._callback = ""
 398
 399                 loadedFromCache = self._load_from_cache()
 400                 if loadedFromCache:
 401                         updateContacts = True
 402                         updateMessages = True
 403                         updateHistory = True
 404
 405                 if updateContacts:
 406                         self.contactsUpdated.emit()
 407                 if updateMessages:
 408                         self.messagesUpdated.emit()
 409                 if updateHistory:
 410                         self.historyUpdated.emit()
 411                 if oldDnd != self._dnd:
 412                         self.dndStateChange.emit(self._dnd)
 413                 if oldCallback != self._callback:
 414                         self.callbackNumberChanged.emit(self._callback)
 415
 416                 return loadedFromCache
 417
 418         def _load_from_cache(self):
 419                 if self._cachePath is None:
 420                         return False
 421                 cachePath = os.path.join(self._cachePath, "%s.cache" % self._username)
 422
 423                 try:
 424                         with open(cachePath, "rb") as f:
 425                                 dumpedData = pickle.load(f)
 426                 except (pickle.PickleError, IOError, EOFError, ValueError):
 427                         _moduleLogger.exception("Pickle fun loading")
 428                         return False
 429                 except:
 430                         _moduleLogger.exception("Weirdness loading")
 431                         return False
 432
 433                 (
 434                         version, build,
 435                         contacts, contactUpdateTime,
 436                         messages, messageUpdateTime,
 437                         history, historyUpdateTime,
 438                         dnd, callback
 439                 ) = dumpedData
 440
 441                 if misc_utils.compare_versions(
 442                         self._OLDEST_COMPATIBLE_FORMAT_VERSION,
 443                         misc_utils.parse_version(version),
 444                 ) <= 0:
 445                         _moduleLogger.info("Loaded cache")
 446                         self._contacts = contacts
 447                         self._contactUpdateTime = contactUpdateTime
 448                         self._messages = messages
 449                         self._messageUpdateTime = messageUpdateTime
 450                         self._history = history
 451                         self._historyUpdateTime = historyUpdateTime
 452                         self._dnd = dnd
 453                         self._callback = callback
 454                         return True
 455                 else:
 456                         _moduleLogger.debug(
 457                                 "Skipping cache due to version mismatch (%s-%s)" % (
 458                                         version, build
 459                                 )
 460                         )
 461                         return False
 462
 463         def _save_to_cache(self):
 464                 _moduleLogger.info("Saving cache")
 465                 if self._cachePath is None:
 466                         return
 467                 cachePath = os.path.join(self._cachePath, "%s.cache" % self._username)
 468
 469                 try:
 470                         dataToDump = (
 471                                 constants.__version__, constants.__build__,
 472                                 self._contacts, self._contactUpdateTime,
 473                                 self._messages, self._messageUpdateTime,
 474                                 self._history, self._historyUpdateTime,
 475                                 self._dnd, self._callback
 476                         )
 477                         with open(cachePath, "wb") as f:
 478                                 pickle.dump(dataToDump, f, pickle.HIGHEST_PROTOCOL)
 479                         _moduleLogger.info("Cache saved")
 480                 except (pickle.PickleError, IOError):
 481                         _moduleLogger.exception("While saving")
 482
 483         def _clear_cache(self):
 484                 updateContacts = len(self._contacts) != 0
 485                 updateMessages = len(self._messages) != 0
 486                 updateHistory = len(self._history) != 0
 487                 oldDnd = self._dnd
 488                 oldCallback = self._callback
 489
 490                 self._contacts = {}
 491                 self._contactUpdateTime = datetime.datetime(1, 1, 1)
 492                 self._messages = []
 493                 self._messageUpdateTime = datetime.datetime(1, 1, 1)
 494                 self._history = []
 495                 self._historyUpdateTime = datetime.datetime(1, 1, 1)
 496                 self._dnd = False
 497                 self._callback = ""
 498
 499                 if updateContacts:
 500                         self.contactsUpdated.emit()
 501                 if updateMessages:
 502                         self.messagesUpdated.emit()
 503                 if updateHistory:
 504                         self.historyUpdated.emit()
 505                 if oldDnd != self._dnd:
 506                         self.dndStateChange.emit(self._dnd)
 507                 if oldCallback != self._callback:
 508                         self.callbackNumberChanged.emit(self._callback)
 509
 510                 self._save_to_cache()
 511
 512         def _update_contacts(self):
 513                 try:
 514                         self._contacts = yield (
 515                                 self._backend[0].get_contacts,
 516                                 (),
 517                                 {},
 518                         )
 519                 except Exception, e:
 520                         self.error.emit(str(e))
 521                         return
 522                 self._contactUpdateTime = datetime.datetime.now()
 523                 self.contactsUpdated.emit()
 524
 525         def _update_messages(self):
 526                 try:
 527                         self._messages = yield (
 528                                 self._backend[0].get_messages,
 529                                 (),
 530                                 {},
 531                         )
 532                 except Exception, e:
 533                         self.error.emit(str(e))
 534                         return
 535                 self._messageUpdateTime = datetime.datetime.now()
 536                 self.messagesUpdated.emit()
 537
 538         def _update_history(self):
 539                 try:
 540                         self._history = yield (
 541                                 self._backend[0].get_recent,
 542                                 (),
 543                                 {},
 544                         )
 545                 except Exception, e:
 546                         self.error.emit(str(e))
 547                         return
 548                 self._historyUpdateTime = datetime.datetime.now()
 549                 self.historyUpdated.emit()
 550
 551         def _update_dnd(self):
 552                 oldDnd = self._dnd
 553                 try:
 554                         self._dnd = yield (
 555                                 self._backend[0].is_dnd,
 556                                 (),
 557                                 {},
 558                         )
 559                 except Exception, e:
 560                         self.error.emit(str(e))
 561                         return
 562                 if oldDnd != self._dnd:
 563                         self.dndStateChange(self._dnd)
 564
 565         def _perform_op_while_loggedin(self, op):
 566                 if self.state == self.LOGGEDIN_STATE:
 567                         op.start()
 568                 else:
 569                         self._push_login_op(op)
 570
 571         def _push_login_op(self, asyncOp):
 572                 assert self.state != self.LOGGEDIN_STATE
 573                 if asyncOp in self._loginOps:
 574                         _moduleLogger.info("Skipping queueing duplicate op: %r" % asyncOp)
 575                         return
 576                 self._loginOps.append(asyncOp)