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                 le = concurrent.AsyncLinearExecution(self._pool, self._set_dnd)
 285                 le.start(dnd)
 286
 287         def _set_dnd(self, dnd):
 288                 # I'm paranoid about our state geting out of sync so we set no matter
 289                 # what but act as if we have the cannonical state
 290                 assert self.state == self.LOGGEDIN_STATE
 291                 oldDnd = self._dnd
 292                 try:
 293                         yield (
 294                                 self._backend[0].set_dnd,
 295                                 (dnd, ),
 296                                 {},
 297                         )
 298                 except Exception, e:
 299                         self.error.emit(str(e))
 300                         return
 301                 self._dnd = dnd
 302                 if oldDnd != self._dnd:
 303                         self.dndStateChange.emit(self._dnd)
 304
 305         def get_dnd(self):
 306                 return self._dnd
 307
 308         def get_account_number(self):
 309                 return self._backend[0].get_account_number()
 310
 311         def get_callback_numbers(self):
 312                 # @todo Remove evilness (might call is_authed which can block)
 313                 return self._backend[0].get_callback_numbers()
 314
 315         def get_callback_number(self):
 316                 return self._callback
 317
 318         def set_callback_number(self, callback):
 319                 le = concurrent.AsyncLinearExecution(self._pool, self._set_callback_number)
 320                 le.start(callback)
 321
 322         def _set_callback_number(self, callback):
 323                 # I'm paranoid about our state geting out of sync so we set no matter
 324                 # what but act as if we have the cannonical state
 325                 assert self.state == self.LOGGEDIN_STATE
 326                 oldCallback = self._callback
 327                 try:
 328                         yield (
 329                                 self._backend[0].set_callback_number,
 330                                 (callback, ),
 331                                 {},
 332                         )
 333                 except Exception, e:
 334                         self.error.emit(str(e))
 335                         return
 336                 self._callback = callback
 337                 if oldCallback != self._callback:
 338                         self.callbackNumberChanged.emit(self._callback)
 339
 340         def _login(self, username, password):
 341                 self._loggedInTime = self._LOGGINGIN_TIME
 342                 self.stateChange.emit(self.LOGGINGIN_STATE)
 343                 finalState = self.LOGGEDOUT_STATE
 344                 try:
 345                         isLoggedIn = False
 346
 347                         if not isLoggedIn and self._backend[0].is_quick_login_possible():
 348                                 isLoggedIn = yield (
 349                                         self._backend[0].is_authed,
 350                                         (),
 351                                         {},
 352                                 )
 353                                 if isLoggedIn:
 354                                         _moduleLogger.info("Logged in through cookies")
 355                                 else:
 356                                         # Force a clearing of the cookies
 357                                         yield (
 358                                                 self._backend[0].logout,
 359                                                 (),
 360                                                 {},
 361                                         )
 362
 363                         if not isLoggedIn:
 364                                 isLoggedIn = yield (
 365                                         self._backend[0].login,
 366                                         (username, password),
 367                                         {},
 368                                 )
 369                                 if isLoggedIn:
 370                                         _moduleLogger.info("Logged in through credentials")
 371
 372                         if isLoggedIn:
 373                                 self._loggedInTime = int(time.time())
 374                                 oldUsername = self._username
 375                                 self._username = username
 376                                 finalState = self.LOGGEDIN_STATE
 377                                 self.loggedIn.emit()
 378                                 if oldUsername != self._username:
 379                                         needOps = not self._load()
 380                                 else:
 381                                         needOps = True
 382                                 if needOps:
 383                                         loginOps = self._loginOps[:]
 384                                 else:
 385                                         loginOps = []
 386                                 del self._loginOps[:]
 387                                 for asyncOp in loginOps:
 388                                         asyncOp.start()
 389                 except Exception, e:
 390                         self.error.emit(str(e))
 391                 finally:
 392                         self.stateChange.emit(finalState)
 393
 394         def _load(self):
 395                 updateContacts = len(self._contacts) != 0
 396                 updateMessages = len(self._messages) != 0
 397                 updateHistory = len(self._history) != 0
 398                 oldDnd = self._dnd
 399                 oldCallback = self._callback
 400
 401                 self._contacts = {}
 402                 self._messages = []
 403                 self._history = []
 404                 self._dnd = False
 405                 self._callback = ""
 406
 407                 loadedFromCache = self._load_from_cache()
 408                 if loadedFromCache:
 409                         updateContacts = True
 410                         updateMessages = True
 411                         updateHistory = True
 412
 413                 if updateContacts:
 414                         self.contactsUpdated.emit()
 415                 if updateMessages:
 416                         self.messagesUpdated.emit()
 417                 if updateHistory:
 418                         self.historyUpdated.emit()
 419                 if oldDnd != self._dnd:
 420                         self.dndStateChange.emit(self._dnd)
 421                 if oldCallback != self._callback:
 422                         self.callbackNumberChanged.emit(self._callback)
 423
 424                 return loadedFromCache
 425
 426         def _load_from_cache(self):
 427                 if self._cachePath is None:
 428                         return False
 429                 cachePath = os.path.join(self._cachePath, "%s.cache" % self._username)
 430
 431                 try:
 432                         with open(cachePath, "rb") as f:
 433                                 dumpedData = pickle.load(f)
 434                 except (pickle.PickleError, IOError, EOFError, ValueError):
 435                         _moduleLogger.exception("Pickle fun loading")
 436                         return False
 437                 except:
 438                         _moduleLogger.exception("Weirdness loading")
 439                         return False
 440
 441                 (
 442                         version, build,
 443                         contacts, contactUpdateTime,
 444                         messages, messageUpdateTime,
 445                         history, historyUpdateTime,
 446                         dnd, callback
 447                 ) = dumpedData
 448
 449                 if misc_utils.compare_versions(
 450                         self._OLDEST_COMPATIBLE_FORMAT_VERSION,
 451                         misc_utils.parse_version(version),
 452                 ) <= 0:
 453                         _moduleLogger.info("Loaded cache")
 454                         self._contacts = contacts
 455                         self._contactUpdateTime = contactUpdateTime
 456                         self._messages = messages
 457                         self._messageUpdateTime = messageUpdateTime
 458                         self._history = history
 459                         self._historyUpdateTime = historyUpdateTime
 460                         self._dnd = dnd
 461                         self._callback = callback
 462                         return True
 463                 else:
 464                         _moduleLogger.debug(
 465                                 "Skipping cache due to version mismatch (%s-%s)" % (
 466                                         version, build
 467                                 )
 468                         )
 469                         return False
 470
 471         def _save_to_cache(self):
 472                 _moduleLogger.info("Saving cache")
 473                 if self._cachePath is None:
 474                         return
 475                 cachePath = os.path.join(self._cachePath, "%s.cache" % self._username)
 476
 477                 try:
 478                         dataToDump = (
 479                                 constants.__version__, constants.__build__,
 480                                 self._contacts, self._contactUpdateTime,
 481                                 self._messages, self._messageUpdateTime,
 482                                 self._history, self._historyUpdateTime,
 483                                 self._dnd, self._callback
 484                         )
 485                         with open(cachePath, "wb") as f:
 486                                 pickle.dump(dataToDump, f, pickle.HIGHEST_PROTOCOL)
 487                         _moduleLogger.info("Cache saved")
 488                 except (pickle.PickleError, IOError):
 489                         _moduleLogger.exception("While saving")
 490
 491         def _clear_cache(self):
 492                 updateContacts = len(self._contacts) != 0
 493                 updateMessages = len(self._messages) != 0
 494                 updateHistory = len(self._history) != 0
 495                 oldDnd = self._dnd
 496                 oldCallback = self._callback
 497
 498                 self._contacts = {}
 499                 self._contactUpdateTime = datetime.datetime(1, 1, 1)
 500                 self._messages = []
 501                 self._messageUpdateTime = datetime.datetime(1, 1, 1)
 502                 self._history = []
 503                 self._historyUpdateTime = datetime.datetime(1, 1, 1)
 504                 self._dnd = False
 505                 self._callback = ""
 506
 507                 if updateContacts:
 508                         self.contactsUpdated.emit()
 509                 if updateMessages:
 510                         self.messagesUpdated.emit()
 511                 if updateHistory:
 512                         self.historyUpdated.emit()
 513                 if oldDnd != self._dnd:
 514                         self.dndStateChange.emit(self._dnd)
 515                 if oldCallback != self._callback:
 516                         self.callbackNumberChanged.emit(self._callback)
 517
 518                 self._save_to_cache()
 519
 520         def _update_contacts(self):
 521                 try:
 522                         self._contacts = yield (
 523                                 self._backend[0].get_contacts,
 524                                 (),
 525                                 {},
 526                         )
 527                 except Exception, e:
 528                         self.error.emit(str(e))
 529                         return
 530                 self._contactUpdateTime = datetime.datetime.now()
 531                 self.contactsUpdated.emit()
 532
 533         def _update_messages(self):
 534                 try:
 535                         self._messages = yield (
 536                                 self._backend[0].get_messages,
 537                                 (),
 538                                 {},
 539                         )
 540                 except Exception, e:
 541                         self.error.emit(str(e))
 542                         return
 543                 self._messageUpdateTime = datetime.datetime.now()
 544                 self.messagesUpdated.emit()
 545
 546         def _update_history(self):
 547                 try:
 548                         self._history = yield (
 549                                 self._backend[0].get_recent,
 550                                 (),
 551                                 {},
 552                         )
 553                 except Exception, e:
 554                         self.error.emit(str(e))
 555                         return
 556                 self._historyUpdateTime = datetime.datetime.now()
 557                 self.historyUpdated.emit()
 558
 559         def _update_dnd(self):
 560                 oldDnd = self._dnd
 561                 try:
 562                         self._dnd = yield (
 563                                 self._backend[0].is_dnd,
 564                                 (),
 565                                 {},
 566                         )
 567                 except Exception, e:
 568                         self.error.emit(str(e))
 569                         return
 570                 if oldDnd != self._dnd:
 571                         self.dndStateChange(self._dnd)
 572
 573         def _perform_op_while_loggedin(self, op):
 574                 if self.state == self.LOGGEDIN_STATE:
 575                         op.start()
 576                 else:
 577                         self._push_login_op(op)
 578
 579         def _push_login_op(self, asyncOp):
 580                 assert self.state != self.LOGGEDIN_STATE
 581                 if asyncOp in self._loginOps:
 582                         _moduleLogger.info("Skipping queueing duplicate op: %r" % asyncOp)
 583                         return
 584                 self._loginOps.append(asyncOp)