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 contextlib
   7 import logging
   8
   9 try:
  10         import cPickle
  11         pickle = cPickle
  12 except ImportError:
  13         import pickle
  14
  15 from PyQt4 import QtCore
  16
  17 from util import qore_utils
  18 from util import qui_utils
  19 from util import concurrent
  20 from util import misc as misc_utils
  21
  22 import constants
  23
  24
  25 _moduleLogger = logging.getLogger(__name__)
  26
  27
  28 class _DraftContact(object):
  29
  30         def __init__(self, title, description, numbersWithDescriptions):
  31                 self.title = title
  32                 self.description = description
  33                 self.numbers = numbersWithDescriptions
  34                 self.selectedNumber = numbersWithDescriptions[0][0]
  35
  36
  37 class Draft(QtCore.QObject):
  38
  39         sendingMessage = QtCore.pyqtSignal()
  40         sentMessage = QtCore.pyqtSignal()
  41         calling = QtCore.pyqtSignal()
  42         called = QtCore.pyqtSignal()
  43         cancelling = QtCore.pyqtSignal()
  44         cancelled = QtCore.pyqtSignal()
  45         error = QtCore.pyqtSignal(str)
  46
  47         recipientsChanged = QtCore.pyqtSignal()
  48
  49         def __init__(self, pool, backend, errorLog):
  50                 QtCore.QObject.__init__(self)
  51                 self._errorLog = errorLog
  52                 self._contacts = {}
  53                 self._pool = pool
  54                 self._backend = backend
  55                 self._busyReason = None
  56                 self._message = ""
  57
  58         def send(self):
  59                 assert 0 < len(self._contacts), "No contacts selected"
  60                 assert 0 < len(self._message), "No message to send"
  61                 numbers = [misc_utils.make_ugly(contact.selectedNumber) for contact in self._contacts.itervalues()]
  62                 le = concurrent.AsyncLinearExecution(self._pool, self._send)
  63                 le.start(numbers, self._message)
  64
  65         def call(self):
  66                 assert len(self._contacts) == 1, "Must select 1 and only 1 contact"
  67                 assert len(self._message) == 0, "Cannot send message with call"
  68                 (contact, ) = self._contacts.itervalues()
  69                 number = misc_utils.make_ugly(contact.selectedNumber)
  70                 le = concurrent.AsyncLinearExecution(self._pool, self._call)
  71                 le.start(number)
  72
  73         def cancel(self):
  74                 le = concurrent.AsyncLinearExecution(self._pool, self._cancel)
  75                 le.start()
  76
  77         def _get_message(self):
  78                 return self._message
  79
  80         def _set_message(self, message):
  81                 self._message = message
  82
  83         message = property(_get_message, _set_message)
  84
  85         def add_contact(self, contactId, title, description, numbersWithDescriptions):
  86                 if self._busyReason is not None:
  87                         raise RuntimeError("Please wait for %r" % self._busyReason)
  88                 if contactId in self._contacts:
  89                         _moduleLogger.info("Adding duplicate contact %r" % contactId)
  90                         # @todo Remove this evil hack to re-popup the dialog
  91                         self.recipientsChanged.emit()
  92                         return
  93                 contactDetails = _DraftContact(title, description, numbersWithDescriptions)
  94                 self._contacts[contactId] = contactDetails
  95                 self.recipientsChanged.emit()
  96
  97         def remove_contact(self, contactId):
  98                 if self._busyReason is not None:
  99                         raise RuntimeError("Please wait for %r" % self._busyReason)
 100                 assert contactId in self._contacts, "Contact missing"
 101                 del self._contacts[contactId]
 102                 self.recipientsChanged.emit()
 103
 104         def get_contacts(self):
 105                 return self._contacts.iterkeys()
 106
 107         def get_num_contacts(self):
 108                 return len(self._contacts)
 109
 110         def get_title(self, cid):
 111                 return self._contacts[cid].title
 112
 113         def get_description(self, cid):
 114                 return self._contacts[cid].description
 115
 116         def get_numbers(self, cid):
 117                 return self._contacts[cid].numbers
 118
 119         def get_selected_number(self, cid):
 120                 return self._contacts[cid].selectedNumber
 121
 122         def set_selected_number(self, cid, number):
 123                 # @note I'm lazy, this isn't firing any kind of signal since only one
 124                 # controller right now and that is the viewer
 125                 assert number in (nWD[0] for nWD in self._contacts[cid].numbers), "Number not selectable"
 126                 self._contacts[cid].selectedNumber = number
 127
 128         def clear(self):
 129                 if self._busyReason is not None:
 130                         raise RuntimeError("Please wait for %r" % self._busyReason)
 131                 self._clear()
 132
 133         def _clear(self):
 134                 oldContacts = self._contacts
 135                 self._contacts = {}
 136                 self._message = ""
 137                 if oldContacts:
 138                         self.recipientsChanged.emit()
 139
 140         @contextlib.contextmanager
 141         def _busy(self, message):
 142                 if self._busyReason is not None:
 143                         raise RuntimeError("Already busy doing %r" % self._busyReason)
 144                 try:
 145                         self._busyReason = message
 146                         yield
 147                 finally:
 148                         self._busyReason = None
 149
 150         def _send(self, numbers, text):
 151                 self.sendingMessage.emit()
 152                 try:
 153                         with self._busy("Sending Text"):
 154                                 with qui_utils.notify_busy(self._errorLog, "Sending Text"):
 155                                         yield (
 156                                                 self._backend[0].send_sms,
 157                                                 (numbers, text),
 158                                                 {},
 159                                         )
 160                                 self.sentMessage.emit()
 161                                 self._clear()
 162                 except Exception, e:
 163                         _moduleLogger.exception("Reporting error to user")
 164                         self.error.emit(str(e))
 165
 166         def _call(self, number):
 167                 self.calling.emit()
 168                 try:
 169                         with self._busy("Calling"):
 170                                 with qui_utils.notify_busy(self._errorLog, "Calling"):
 171                                         yield (
 172                                                 self._backend[0].call,
 173                                                 (number, ),
 174                                                 {},
 175                                         )
 176                                 self.called.emit()
 177                                 self._clear()
 178                 except Exception, e:
 179                         _moduleLogger.exception("Reporting error to user")
 180                         self.error.emit(str(e))
 181
 182         def _cancel(self):
 183                 self.cancelling.emit()
 184                 try:
 185                         with qui_utils.notify_busy(self._errorLog, "Cancelling"):
 186                                 yield (
 187                                         self._backend[0].cancel,
 188                                         (),
 189                                         {},
 190                                 )
 191                         self.cancelled.emit()
 192                 except Exception, e:
 193                         _moduleLogger.exception("Reporting error to user")
 194                         self.error.emit(str(e))
 195
 196
 197 class Session(QtCore.QObject):
 198
 199         # @todo Somehow add support for csv contacts
 200
 201         stateChange = QtCore.pyqtSignal(str)
 202         loggedOut = QtCore.pyqtSignal()
 203         loggedIn = QtCore.pyqtSignal()
 204         callbackNumberChanged = QtCore.pyqtSignal(str)
 205
 206         contactsUpdated = QtCore.pyqtSignal()
 207         messagesUpdated = QtCore.pyqtSignal()
 208         historyUpdated = QtCore.pyqtSignal()
 209         dndStateChange = QtCore.pyqtSignal(bool)
 210
 211         error = QtCore.pyqtSignal(str)
 212
 213         LOGGEDOUT_STATE = "logged out"
 214         LOGGINGIN_STATE = "logging in"
 215         LOGGEDIN_STATE = "logged in"
 216
 217         _OLDEST_COMPATIBLE_FORMAT_VERSION = misc_utils.parse_version("1.1.90")
 218
 219         _LOGGEDOUT_TIME = -1
 220         _LOGGINGIN_TIME = 0
 221
 222         def __init__(self, errorLog, cachePath = None):
 223                 QtCore.QObject.__init__(self)
 224                 self._errorLog = errorLog
 225                 self._pool = qore_utils.AsyncPool()
 226                 self._backend = []
 227                 self._loggedInTime = self._LOGGEDOUT_TIME
 228                 self._loginOps = []
 229                 self._cachePath = cachePath
 230                 self._username = None
 231                 self._draft = Draft(self._pool, self._backend, self._errorLog)
 232
 233                 self._contacts = {}
 234                 self._contactUpdateTime = datetime.datetime(1971, 1, 1)
 235                 self._messages = []
 236                 self._messageUpdateTime = datetime.datetime(1971, 1, 1)
 237                 self._history = []
 238                 self._historyUpdateTime = datetime.datetime(1971, 1, 1)
 239                 self._dnd = False
 240                 self._callback = ""
 241
 242         @property
 243         def state(self):
 244                 return {
 245                         self._LOGGEDOUT_TIME: self.LOGGEDOUT_STATE,
 246                         self._LOGGINGIN_TIME: self.LOGGINGIN_STATE,
 247                 }.get(self._loggedInTime, self.LOGGEDIN_STATE)
 248
 249         @property
 250         def draft(self):
 251                 return self._draft
 252
 253         def login(self, username, password):
 254                 assert self.state == self.LOGGEDOUT_STATE, "Can only log-in when logged out (currently %s" % self.state
 255                 assert username != "", "No username specified"
 256                 if self._cachePath is not None:
 257                         cookiePath = os.path.join(self._cachePath, "%s.cookies" % username)
 258                 else:
 259                         cookiePath = None
 260
 261                 if self._username != username or not self._backend:
 262                         from backends import gv_backend
 263                         del self._backend[:]
 264                         self._backend[0:0] = [gv_backend.GVDialer(cookiePath)]
 265
 266                 self._pool.start()
 267                 le = concurrent.AsyncLinearExecution(self._pool, self._login)
 268                 le.start(username, password)
 269
 270         def logout(self):
 271                 assert self.state != self.LOGGEDOUT_STATE, "Can only logout if logged in (currently %s" % self.state
 272                 _moduleLogger.info("Logging out")
 273                 self._pool.stop()
 274                 self._loggedInTime = self._LOGGEDOUT_TIME
 275                 self._backend[0].persist()
 276                 self._save_to_cache()
 277                 self.stateChange.emit(self.LOGGEDOUT_STATE)
 278                 self.loggedOut.emit()
 279
 280         def clear(self):
 281                 assert self.state == self.LOGGEDOUT_STATE, "Can only clear when logged out (currently %s" % self.state
 282                 self._backend[0].logout()
 283                 del self._backend[0]
 284                 self._clear_cache()
 285                 self._draft.clear()
 286
 287         def logout_and_clear(self):
 288                 assert self.state != self.LOGGEDOUT_STATE, "Can only logout if logged in (currently %s" % self.state
 289                 _moduleLogger.info("Logging out and clearing the account")
 290                 self._pool.stop()
 291                 self._loggedInTime = self._LOGGEDOUT_TIME
 292                 self.clear()
 293                 self.stateChange.emit(self.LOGGEDOUT_STATE)
 294                 self.loggedOut.emit()
 295
 296         def update_contacts(self, force = True):
 297                 if not force and self._contacts:
 298                         return
 299                 le = concurrent.AsyncLinearExecution(self._pool, self._update_contacts)
 300                 self._perform_op_while_loggedin(le)
 301
 302         def get_contacts(self):
 303                 return self._contacts
 304
 305         def get_when_contacts_updated(self):
 306                 return self._contactUpdateTime
 307
 308         def update_messages(self, force = True):
 309                 if not force and self._messages:
 310                         return
 311                 le = concurrent.AsyncLinearExecution(self._pool, self._update_messages)
 312                 self._perform_op_while_loggedin(le)
 313
 314         def get_messages(self):
 315                 return self._messages
 316
 317         def get_when_messages_updated(self):
 318                 return self._messageUpdateTime
 319
 320         def update_history(self, force = True):
 321                 if not force and self._history:
 322                         return
 323                 le = concurrent.AsyncLinearExecution(self._pool, self._update_history)
 324                 self._perform_op_while_loggedin(le)
 325
 326         def get_history(self):
 327                 return self._history
 328
 329         def get_when_history_updated(self):
 330                 return self._historyUpdateTime
 331
 332         def update_dnd(self):
 333                 le = concurrent.AsyncLinearExecution(self._pool, self._update_dnd)
 334                 self._perform_op_while_loggedin(le)
 335
 336         def set_dnd(self, dnd):
 337                 le = concurrent.AsyncLinearExecution(self._pool, self._set_dnd)
 338                 le.start(dnd)
 339
 340         def _set_dnd(self, dnd):
 341                 oldDnd = self._dnd
 342                 try:
 343                         assert self.state == self.LOGGEDIN_STATE, "DND requires being logged in (currently %s" % self.state
 344                         with qui_utils.notify_busy(self._errorLog, "Setting DND Status"):
 345                                 yield (
 346                                         self._backend[0].set_dnd,
 347                                         (dnd, ),
 348                                         {},
 349                                 )
 350                 except Exception, e:
 351                         _moduleLogger.exception("Reporting error to user")
 352                         self.error.emit(str(e))
 353                         return
 354                 self._dnd = dnd
 355                 if oldDnd != self._dnd:
 356                         self.dndStateChange.emit(self._dnd)
 357
 358         def get_dnd(self):
 359                 return self._dnd
 360
 361         def get_account_number(self):
 362                 if self.state != self.LOGGEDIN_STATE:
 363                         return ""
 364                 return self._backend[0].get_account_number()
 365
 366         def get_callback_numbers(self):
 367                 if self.state != self.LOGGEDIN_STATE:
 368                         return {}
 369                 return self._backend[0].get_callback_numbers()
 370
 371         def get_callback_number(self):
 372                 return self._callback
 373
 374         def set_callback_number(self, callback):
 375                 le = concurrent.AsyncLinearExecution(self._pool, self._set_callback_number)
 376                 le.start(callback)
 377
 378         def _set_callback_number(self, callback):
 379                 oldCallback = self._callback
 380                 try:
 381                         assert self.state == self.LOGGEDIN_STATE, "Callbacks configurable only when logged in (currently %s" % self.state
 382                         yield (
 383                                 self._backend[0].set_callback_number,
 384                                 (callback, ),
 385                                 {},
 386                         )
 387                 except Exception, e:
 388                         _moduleLogger.exception("Reporting error to user")
 389                         self.error.emit(str(e))
 390                         return
 391                 self._callback = callback
 392                 if oldCallback != self._callback:
 393                         self.callbackNumberChanged.emit(self._callback)
 394
 395         def _login(self, username, password):
 396                 with qui_utils.notify_busy(self._errorLog, "Logging In"):
 397                         self._loggedInTime = self._LOGGINGIN_TIME
 398                         self.stateChange.emit(self.LOGGINGIN_STATE)
 399                         finalState = self.LOGGEDOUT_STATE
 400                         isLoggedIn = False
 401                         try:
 402                                 if not isLoggedIn and self._backend[0].is_quick_login_possible():
 403                                         isLoggedIn = yield (
 404                                                 self._backend[0].is_authed,
 405                                                 (),
 406                                                 {},
 407                                         )
 408                                         if isLoggedIn:
 409                                                 _moduleLogger.info("Logged in through cookies")
 410                                         else:
 411                                                 # Force a clearing of the cookies
 412                                                 yield (
 413                                                         self._backend[0].logout,
 414                                                         (),
 415                                                         {},
 416                                                 )
 417
 418                                 if not isLoggedIn:
 419                                         isLoggedIn = yield (
 420                                                 self._backend[0].login,
 421                                                 (username, password),
 422                                                 {},
 423                                         )
 424                                         if isLoggedIn:
 425                                                 _moduleLogger.info("Logged in through credentials")
 426
 427                                 if isLoggedIn:
 428                                         self._loggedInTime = int(time.time())
 429                                         oldUsername = self._username
 430                                         self._username = username
 431                                         finalState = self.LOGGEDIN_STATE
 432                                         if oldUsername != self._username:
 433                                                 needOps = not self._load()
 434                                         else:
 435                                                 needOps = True
 436
 437                                         self.loggedIn.emit()
 438                                         self.stateChange.emit(finalState)
 439                                         finalState = None # Mark it as already set
 440
 441                                         if needOps:
 442                                                 loginOps = self._loginOps[:]
 443                                         else:
 444                                                 loginOps = []
 445                                         del self._loginOps[:]
 446                                         for asyncOp in loginOps:
 447                                                 asyncOp.start()
 448                                 else:
 449                                         self._loggedInTime = self._LOGGEDOUT_TIME
 450                                         self.error.emit("Error logging in")
 451                         except Exception, e:
 452                                 self._loggedInTime = self._LOGGEDOUT_TIME
 453                                 _moduleLogger.exception("Reporting error to user")
 454                                 self.error.emit(str(e))
 455                         finally:
 456                                 if finalState is not None:
 457                                         self.stateChange.emit(finalState)
 458                         if isLoggedIn and self._callback:
 459                                 self.set_callback_number(self._callback)
 460
 461         def _load(self):
 462                 updateContacts = len(self._contacts) != 0
 463                 updateMessages = len(self._messages) != 0
 464                 updateHistory = len(self._history) != 0
 465                 oldDnd = self._dnd
 466                 oldCallback = self._callback
 467
 468                 self._contacts = {}
 469                 self._messages = []
 470                 self._history = []
 471                 self._dnd = False
 472                 self._callback = ""
 473
 474                 loadedFromCache = self._load_from_cache()
 475                 if loadedFromCache:
 476                         updateContacts = True
 477                         updateMessages = True
 478                         updateHistory = True
 479
 480                 if updateContacts:
 481                         self.contactsUpdated.emit()
 482                 if updateMessages:
 483                         self.messagesUpdated.emit()
 484                 if updateHistory:
 485                         self.historyUpdated.emit()
 486                 if oldDnd != self._dnd:
 487                         self.dndStateChange.emit(self._dnd)
 488                 if oldCallback != self._callback:
 489                         self.callbackNumberChanged.emit(self._callback)
 490
 491                 return loadedFromCache
 492
 493         def _load_from_cache(self):
 494                 if self._cachePath is None:
 495                         return False
 496                 cachePath = os.path.join(self._cachePath, "%s.cache" % self._username)
 497
 498                 try:
 499                         with open(cachePath, "rb") as f:
 500                                 dumpedData = pickle.load(f)
 501                 except (pickle.PickleError, IOError, EOFError, ValueError):
 502                         _moduleLogger.exception("Pickle fun loading")
 503                         return False
 504                 except:
 505                         _moduleLogger.exception("Weirdness loading")
 506                         return False
 507
 508                 (
 509                         version, build,
 510                         contacts, contactUpdateTime,
 511                         messages, messageUpdateTime,
 512                         history, historyUpdateTime,
 513                         dnd, callback
 514                 ) = dumpedData
 515
 516                 if misc_utils.compare_versions(
 517                         self._OLDEST_COMPATIBLE_FORMAT_VERSION,
 518                         misc_utils.parse_version(version),
 519                 ) <= 0:
 520                         _moduleLogger.info("Loaded cache")
 521                         self._contacts = contacts
 522                         self._contactUpdateTime = contactUpdateTime
 523                         self._messages = messages
 524                         self._messageUpdateTime = messageUpdateTime
 525                         self._history = history
 526                         self._historyUpdateTime = historyUpdateTime
 527                         self._dnd = dnd
 528                         self._callback = callback
 529                         return True
 530                 else:
 531                         _moduleLogger.debug(
 532                                 "Skipping cache due to version mismatch (%s-%s)" % (
 533                                         version, build
 534                                 )
 535                         )
 536                         return False
 537
 538         def _save_to_cache(self):
 539                 _moduleLogger.info("Saving cache")
 540                 if self._cachePath is None:
 541                         return
 542                 cachePath = os.path.join(self._cachePath, "%s.cache" % self._username)
 543
 544                 try:
 545                         dataToDump = (
 546                                 constants.__version__, constants.__build__,
 547                                 self._contacts, self._contactUpdateTime,
 548                                 self._messages, self._messageUpdateTime,
 549                                 self._history, self._historyUpdateTime,
 550                                 self._dnd, self._callback
 551                         )
 552                         with open(cachePath, "wb") as f:
 553                                 pickle.dump(dataToDump, f, pickle.HIGHEST_PROTOCOL)
 554                         _moduleLogger.info("Cache saved")
 555                 except (pickle.PickleError, IOError):
 556                         _moduleLogger.exception("While saving")
 557
 558         def _clear_cache(self):
 559                 updateContacts = len(self._contacts) != 0
 560                 updateMessages = len(self._messages) != 0
 561                 updateHistory = len(self._history) != 0
 562                 oldDnd = self._dnd
 563                 oldCallback = self._callback
 564
 565                 self._contacts = {}
 566                 self._contactUpdateTime = datetime.datetime(1971, 1, 1)
 567                 self._messages = []
 568                 self._messageUpdateTime = datetime.datetime(1971, 1, 1)
 569                 self._history = []
 570                 self._historyUpdateTime = datetime.datetime(1971, 1, 1)
 571                 self._dnd = False
 572                 self._callback = ""
 573
 574                 if updateContacts:
 575                         self.contactsUpdated.emit()
 576                 if updateMessages:
 577                         self.messagesUpdated.emit()
 578                 if updateHistory:
 579                         self.historyUpdated.emit()
 580                 if oldDnd != self._dnd:
 581                         self.dndStateChange.emit(self._dnd)
 582                 if oldCallback != self._callback:
 583                         self.callbackNumberChanged.emit(self._callback)
 584
 585                 self._save_to_cache()
 586
 587         def _update_contacts(self):
 588                 try:
 589                         assert self.state == self.LOGGEDIN_STATE, "Contacts requires being logged in (currently %s" % self.state
 590                         with qui_utils.notify_busy(self._errorLog, "Updating Contacts"):
 591                                 self._contacts = yield (
 592                                         self._backend[0].get_contacts,
 593                                         (),
 594                                         {},
 595                                 )
 596                 except Exception, e:
 597                         _moduleLogger.exception("Reporting error to user")
 598                         self.error.emit(str(e))
 599                         return
 600                 self._contactUpdateTime = datetime.datetime.now()
 601                 self.contactsUpdated.emit()
 602
 603         def _update_messages(self):
 604                 try:
 605                         assert self.state == self.LOGGEDIN_STATE, "Messages requires being logged in (currently %s" % self.state
 606                         with qui_utils.notify_busy(self._errorLog, "Updating Messages"):
 607                                 self._messages = yield (
 608                                         self._backend[0].get_messages,
 609                                         (),
 610                                         {},
 611                                 )
 612                 except Exception, e:
 613                         _moduleLogger.exception("Reporting error to user")
 614                         self.error.emit(str(e))
 615                         return
 616                 self._messageUpdateTime = datetime.datetime.now()
 617                 self.messagesUpdated.emit()
 618
 619         def _update_history(self):
 620                 try:
 621                         assert self.state == self.LOGGEDIN_STATE, "History requires being logged in (currently %s" % self.state
 622                         with qui_utils.notify_busy(self._errorLog, "Updating History"):
 623                                 self._history = yield (
 624                                         self._backend[0].get_recent,
 625                                         (),
 626                                         {},
 627                                 )
 628                 except Exception, e:
 629                         _moduleLogger.exception("Reporting error to user")
 630                         self.error.emit(str(e))
 631                         return
 632                 self._historyUpdateTime = datetime.datetime.now()
 633                 self.historyUpdated.emit()
 634
 635         def _update_dnd(self):
 636                 oldDnd = self._dnd
 637                 try:
 638                         assert self.state == self.LOGGEDIN_STATE, "DND requires being logged in (currently %s" % self.state
 639                         self._dnd = yield (
 640                                 self._backend[0].is_dnd,
 641                                 (),
 642                                 {},
 643                         )
 644                 except Exception, e:
 645                         _moduleLogger.exception("Reporting error to user")
 646                         self.error.emit(str(e))
 647                         return
 648                 if oldDnd != self._dnd:
 649                         self.dndStateChange(self._dnd)
 650
 651         def _perform_op_while_loggedin(self, op):
 652                 if self.state == self.LOGGEDIN_STATE:
 653                         op.start()
 654                 else:
 655                         self._push_login_op(op)
 656
 657         def _push_login_op(self, asyncOp):
 658                 assert self.state != self.LOGGEDIN_STATE, "Can only queue work when logged out"
 659                 if asyncOp in self._loginOps:
 660                         _moduleLogger.info("Skipping queueing duplicate op: %r" % asyncOp)
 661                         return
 662                 self._loginOps.append(asyncOp)