def test_fetch_about_attribute_error(self): attribute_name = 'not_an_about_attribute' with self.store.branch_setting(ModuleStoreEnum.Branch.draft_preferred, self.course.id): CourseDetails.update_about_item(self.course, attribute_name, 'test_value', self.user.id) with pytest.raises(ValueError): CourseDetails.fetch_about_attribute(self.course.id, attribute_name)
def get_course_description(self, bot, chat_id, course_name=None, course_key=None, enroll=None, enroll_keyboard=False): """ Get description of particular courses by Title or by course_id """ bot.sendChatAction(chat_id=chat_id, action=ChatAction.TYPING) if enroll: result = CourseEnrollment.objects.get(id=enroll) results = [modulestore().get_course(result.course_id)] course_name = results[0].display_name_with_default elif course_key: results = [modulestore().get_course(course_key)] course_name = modulestore().get_course( course_key).display_name_with_default else: results = modulestore().get_courses() results = [ course for course in results if course.scope_ids.block_type == 'course' ] for each in results: if each.display_name_with_default == course_name: message = truncate_course_info( CourseDetails.fetch_about_attribute(each.id, 'overview')) if message == 'null': bot.sendMessage( chat_id=chat_id, text="I'm sorry, but this course has no description") else: bot.sendMessage(chat_id=chat_id, text="*Short course description*", parse_mode=telegram.ParseMode.MARKDOWN) course_key = each.id current_site = Site.objects.get_current() course_title = modulestore().get_course( course_key).display_name_with_default course_url = '[%s](%scourses/%s/)' % ( course_title, current_site, each.id) bot.sendMessage(chat_id=chat_id, text=course_url, parse_mode=telegram.ParseMode.MARKDOWN) if enroll_keyboard: reply_markup = InlineKeyboardMarkup([[ InlineKeyboardButton( text='I like it and I want to enroll', callback_data=json.dumps( {'key': str(course_key)})) ]]) bot.sendMessage(chat_id=chat_id, text=message, reply_markup=reply_markup) else: bot.sendMessage(chat_id=chat_id, text=message) break bot.sendMessage(chat_id=chat_id, reply_markup=ReplyKeyboardHide())
def get_overview(self, course_overview): """ Get the representation for SerializerMethodField `overview` """ # Note: This makes a call to the modulestore, unlike the other # fields from CourseSerializer, which get their data # from the CourseOverview object in SQL. return CourseDetails.fetch_about_attribute(course_overview.id, 'overview')
def test_fetch_about_attribute(self, attribute_name): attribute_value = 'test_value' with self.store.branch_setting(ModuleStoreEnum.Branch.draft_preferred, self.course.id): CourseDetails.update_about_item(self.course, attribute_name, attribute_value, self.user.id) assert CourseDetails.fetch_about_attribute( self.course.id, attribute_name) == attribute_value
def get_course_description( self, bot, chat_id, course_name=None, course_key=None, enroll=None, enroll_keyboard=False ): """ Get description of particular courses by Title or by course_id """ bot.sendChatAction(chat_id=chat_id, action=ChatAction.TYPING) if enroll: result = CourseEnrollment.objects.get(id=enroll) results = [modulestore().get_course(result.course_id)] course_name = results[0].display_name_with_default elif course_key: results = [modulestore().get_course(course_key)] course_name = modulestore().get_course(course_key).display_name_with_default else: results = modulestore().get_courses() results = [course for course in results if course.scope_ids.block_type == "course"] for each in results: if each.display_name_with_default == course_name: message = truncate_course_info(CourseDetails.fetch_about_attribute(each.id, "overview")) if message == "null": bot.sendMessage(chat_id=chat_id, text="I'm sorry, but this course has no description") else: bot.sendMessage( chat_id=chat_id, text="*Short course description*", parse_mode=telegram.ParseMode.MARKDOWN ) course_key = each.id current_site = Site.objects.get_current() course_title = modulestore().get_course(course_key).display_name_with_default course_url = "[%s](%scourses/%s/)" % (course_title, current_site, each.id) bot.sendMessage(chat_id=chat_id, text=course_url, parse_mode=telegram.ParseMode.MARKDOWN) if enroll_keyboard: reply_markup = InlineKeyboardMarkup( [ [ InlineKeyboardButton( text="I like it and I want to enroll", callback_data=json.dumps({"key": str(course_key)}), ) ] ] ) bot.sendMessage(chat_id=chat_id, text=message, reply_markup=reply_markup) else: bot.sendMessage(chat_id=chat_id, text=message) break bot.sendMessage(chat_id=chat_id, reply_markup=ReplyKeyboardHide())
def get_coursed_and_create_matrix(): results = [course for course in modulestore().get_courses() if course.scope_ids.block_type == "course"] new_matrix = TfidMatrixAllCourses.objects.all().first() or TfidMatrixAllCourses() print new_matrix.matrix.shape[0] != len(results) if new_matrix.matrix.shape[0] != len(results): all_courses = [re.sub("<[^>]*>", "", CourseDetails.fetch_about_attribute(x.id, "overview")) for x in results] MatrixEdxCoursesId.objects.all().delete() map(lambda x: MatrixEdxCoursesId.objects.create(course_key=x.id, course_index=results.index(x)), results) stemmer = snowballstemmer.stemmer("english") courses_stem = [" ".join(stemmer.stemWords(x.split())) for x in all_courses] vect = TfidfVectorizer(stop_words=get_stop_words(), lowercase=True, dtype=np.float32) matrix = vect.fit_transform(courses_stem) new_matrix.matrix = matrix new_matrix.save()
def get_coursed_and_create_matrix(): results = [course for course in modulestore().get_courses() if course.scope_ids.block_type == 'course'] new_matrix = TfidMatrixAllCourses.objects.all().first() or TfidMatrixAllCourses() print new_matrix.matrix.shape[0] != len(results) if new_matrix.matrix.shape[0] != len(results): all_courses = [re.sub('<[^>]*>', '', CourseDetails.fetch_about_attribute(x.id, 'overview')) for x in results] MatrixEdxCoursesId.objects.all().delete() map(lambda x: MatrixEdxCoursesId.objects.create(course_key=x.id, course_index=results.index(x)), results) stemmer = snowballstemmer.stemmer('english') courses_stem = [' '.join(stemmer.stemWords(x.split())) for x in all_courses] vect = TfidfVectorizer(stop_words=get_stop_words(), lowercase=True, dtype=np.float32) matrix = vect.fit_transform(courses_stem) new_matrix.matrix = matrix new_matrix.save()
def update_course(self, mongo_course, assign_universities=False): ''' For the given course, we create or update the corresponding course in SQL Course table. ''' course_handler = CourseHandler(mongo_course) key = course_handler.key self.stdout.write('Updating data for course {}\n'.format(key)) course, was_created = Course.objects.get_or_create(key=key) if was_created or assign_universities: university = course_handler.assign_university(course) if university: self.stdout.write( '\t University assigned to "{}"\n'.format(key)) else: self.stdout.write( '\t No university assigned to "{}"\n'.format(key)) course.is_active = True course.university_display_name = course_handler.university_name course.title = course_handler.title course.image_url = course_handler.image_url thumbnails_info = {} for thumbnail_alias, thumbnails_options in \ courses_settings.FUN_THUMBNAIL_OPTIONS.items(): thumbnail = course_handler.make_thumbnail(thumbnails_options) if thumbnail: thumbnails_info[thumbnail_alias] = thumbnail.url course.thumbnails_info = thumbnails_info course.start_date = mongo_course.start course.enrollment_start_date = mongo_course.enrollment_start course.enrollment_end_date = mongo_course.enrollment_end course.end_date = mongo_course.end course_key = CourseKey.from_string(key) course.short_description = CourseDetails.fetch_about_attribute( course_key, 'short_description', ) course.save() del course self.stdout.write('Updated course {}\n'.format(key)) return None
def update_course(self, mongo_course, assign_universities=False): ''' For the given course, we create or update the corresponding course in SQL Course table. ''' course_handler = CourseHandler(mongo_course) key = course_handler.key self.stdout.write('Updating data for course {}\n'.format(key)) course, was_created = Course.objects.get_or_create(key=key) if was_created or assign_universities: university = course_handler.assign_university(course) if university: self.stdout.write('\t University assigned to "{}"\n'.format(key)) else: self.stdout.write('\t No university assigned to "{}"\n'.format(key)) course.is_active = True course.university_display_name = course_handler.university_name course.title = course_handler.title course.image_url = course_handler.image_url thumbnails_info = {} for thumbnail_alias, thumbnails_options in \ courses_settings.FUN_THUMBNAIL_OPTIONS.items(): thumbnail = course_handler.make_thumbnail(thumbnails_options) if thumbnail: thumbnails_info[thumbnail_alias] = thumbnail.url course.thumbnails_info = thumbnails_info course.start_date = mongo_course.start course.enrollment_start_date = mongo_course.enrollment_start course.enrollment_end_date = mongo_course.enrollment_end course.end_date = mongo_course.end course_key = CourseKey.from_string(key) course.short_description = CourseDetails.fetch_about_attribute( course_key, 'short_description', ) course.save() del course self.stdout.write('Updated course {}\n'.format(key)) return None
def recommend(self, bot, chat_id, telegram_user): telegram_id = telegram_user.telegram_id if not LearningPredictionForUser.objects.filter(telegram_user=telegram_user): bot.sendMessage( chat_id=chat_id, text="It seems like I see you for the first time," " please answer a few questions, so I'll be know more about you", ) prediction.get_test_courses(telegram_id) test_courses = LearningPredictionForUser.objects.get(telegram_user=telegram_user).get_list() if len(test_courses) > 0: course_id = MatrixEdxCoursesId.objects.filter(course_index=test_courses[0]).first().course_key course_key = CourseKey.from_string(course_id) reply_markup = InlineKeyboardMarkup( [ [ InlineKeyboardButton( text="I like it!", callback_data=json.dumps({"method": "learning", "kwargs": {}}) ) ], [ InlineKeyboardButton( text="Hmmm. I don't like at all!", callback_data=json.dumps({"method": "learning", "kwargs": {"is_positive": False}}), ) ], ] ) else: predicted_course_id = prediction.prediction(telegram_id) if predicted_course_id == -1: bot.sendMessage(chat_id=chat_id, text="It seems like you have enrolled to all courses we have for now") return predicted_course_key = ( MatrixEdxCoursesId.objects.filter(course_index=predicted_course_id).first().course_key ) bot.sendMessage(chat_id=chat_id, text="Now I'm going to recommend you some great courses") course_key = CourseKey.from_string(predicted_course_key) course_for_user = PredictionForUser.objects.get_or_create(telegram_user=telegram_user)[0] course_for_user.prediction_course = predicted_course_key course_for_user.save() reply_markup = InlineKeyboardMarkup( [ [ InlineKeyboardButton( text="I like it and I want to enroll", callback_data=json.dumps({"method": "enroll", "kwargs": {}}), ) ], [ InlineKeyboardButton( text="I like it but will eroll another time", callback_data=json.dumps({"method": "not_enroll", "kwargs": {}}), ) ], [ InlineKeyboardButton( text="What the shit is this (I don't like it)", callback_data=json.dumps({"method": "wrong_predict", "kwargs": {}}), ) ], ] ) course_description = CourseDetails.fetch_about_attribute(course_key, "overview") course_title = modulestore().get_course(course_key).display_name_with_default bot.sendMessage(chat_id=chat_id, text="*%s*" % course_title, parse_mode=telegram.ParseMode.MARKDOWN) bot.sendMessage(chat_id=chat_id, text=truncate_course_info(course_description), reply_markup=reply_markup)
def check_course_overview_against_course(self, course): """ Compares a CourseOverview object against its corresponding CourseDescriptor object. Specifically, given a course, test that data within the following three objects match each other: - the CourseDescriptor itself - a CourseOverview that was newly constructed from _create_or_update - a CourseOverview that was loaded from the MySQL database Arguments: course (CourseDescriptor): the course to be checked. """ def get_seconds_since_epoch(date_time): """ Returns the number of seconds between the Unix Epoch and the given datetime. If the given datetime is None, return None. Arguments: date_time (datetime): the datetime in question. """ if date_time is None: return None epoch = datetime.datetime.utcfromtimestamp(0).replace(tzinfo=pytz.utc) return math.floor((date_time - epoch).total_seconds()) # Load the CourseOverview from the cache twice. The first load will be a cache miss (because the cache # is empty) so the course will be newly created with CourseOverview._create_or_update. The second # load will be a cache hit, so the course will be loaded from the cache. course_overview_cache_miss = CourseOverview.get_from_id(course.id) course_overview_cache_hit = CourseOverview.get_from_id(course.id) # Test if value of these attributes match between the three objects fields_to_test = [ 'id', 'display_name', 'display_number_with_default', 'display_org_with_default', 'advertised_start', 'social_sharing_url', 'certificates_display_behavior', 'certificates_show_before_end', 'cert_name_short', 'cert_name_long', 'lowest_passing_grade', 'end_of_course_survey_url', 'mobile_available', 'visible_to_staff_only', 'location', 'number', 'url_name', 'display_name_with_default', 'display_name_with_default_escaped', 'start_date_is_still_default', 'pre_requisite_courses', 'enrollment_domain', 'invitation_only', 'max_student_enrollments_allowed', 'catalog_visibility', ] for attribute_name in fields_to_test: course_value = getattr(course, attribute_name) cache_miss_value = getattr(course_overview_cache_miss, attribute_name) cache_hit_value = getattr(course_overview_cache_hit, attribute_name) self.assertEqual(course_value, cache_miss_value) self.assertEqual(cache_miss_value, cache_hit_value) # Test if return values for all methods are equal between the three objects methods_to_test = [ ('clean_id', ()), ('clean_id', ('#',)), ('has_ended', ()), ('has_started', ()), ('may_certify', ()), ] for method_name, method_args in methods_to_test: course_value = getattr(course, method_name)(*method_args) cache_miss_value = getattr(course_overview_cache_miss, method_name)(*method_args) cache_hit_value = getattr(course_overview_cache_hit, method_name)(*method_args) self.assertEqual(course_value, cache_miss_value) self.assertEqual(cache_miss_value, cache_hit_value) # Other values to test # Note: we test the time-related attributes here instead of in # fields_to_test, because we run into trouble while testing datetimes # for equality. When writing and reading dates from databases, the # resulting values are often off by fractions of a second. So, as a # workaround, we simply test if the start and end times are the same # number of seconds from the Unix epoch. time_field_accessor = lambda object, field_name: get_seconds_since_epoch(getattr(object, field_name)) # The course about fields are accessed through the CourseDetail # class for the course module, and stored as attributes on the # CourseOverview objects. course_about_accessor = lambda object, field_name: CourseDetails.fetch_about_attribute(object.id, field_name) others_to_test = [ ('start', time_field_accessor, time_field_accessor), ('end', time_field_accessor, time_field_accessor), ('enrollment_start', time_field_accessor, time_field_accessor), ('enrollment_end', time_field_accessor, time_field_accessor), ('announcement', time_field_accessor, time_field_accessor), ('short_description', course_about_accessor, getattr), ('effort', course_about_accessor, getattr), ( 'video', lambda c, __: CourseDetails.fetch_video_url(c.id), lambda c, __: c.course_video_url, ), ( 'course_image_url', lambda c, __: course_image_url(c), getattr, ), ( 'has_any_active_web_certificate', lambda c, field_name: get_active_web_certificate(c) is not None, getattr, ), ] for attribute_name, course_accessor, course_overview_accessor in others_to_test: course_value = course_accessor(course, attribute_name) cache_miss_value = course_overview_accessor(course_overview_cache_miss, attribute_name) cache_hit_value = course_overview_accessor(course_overview_cache_hit, attribute_name) self.assertEqual(course_value, cache_miss_value) self.assertEqual(cache_miss_value, cache_hit_value) # test tabs for both cached miss and cached hit courses for course_overview in [course_overview_cache_miss, course_overview_cache_hit]: course_overview_tabs = course_overview.tabs.all() course_resp_tabs = {tab.tab_id for tab in course_overview_tabs} self.assertEqual(self.COURSE_OVERVIEW_TABS, course_resp_tabs)
def _create_or_update(cls, course): """ Creates or updates a CourseOverview object from a CourseDescriptor. Does not touch the database, simply constructs and returns an overview from the given course. Arguments: course (CourseDescriptor): any course descriptor object Returns: CourseOverview: created or updated overview extracted from the given course """ from lms.djangoapps.certificates.api import get_active_web_certificate from openedx.core.lib.courses import course_image_url # Workaround for a problem discovered in https://openedx.atlassian.net/browse/TNL-2806. # If the course has a malformed grading policy such that # course._grading_policy['GRADE_CUTOFFS'] = {}, then # course.lowest_passing_grade will raise a ValueError. # Work around this for now by defaulting to None. try: lowest_passing_grade = course.lowest_passing_grade except ValueError: lowest_passing_grade = None display_name = course.display_name start = course.start end = course.end max_student_enrollments_allowed = course.max_student_enrollments_allowed if isinstance(course.id, CCXLocator): from lms.djangoapps.ccx.utils import get_ccx_from_ccx_locator ccx = get_ccx_from_ccx_locator(course.id) display_name = ccx.display_name start = ccx.start end = ccx.due max_student_enrollments_allowed = ccx.max_student_enrollments_allowed course_overview = cls.objects.filter(id=course.id) if course_overview.exists(): log.info(u'Updating course overview for %s.', six.text_type(course.id)) course_overview = course_overview.first() else: log.info(u'Creating course overview for %s.', six.text_type(course.id)) course_overview = cls() course_overview.version = cls.VERSION course_overview.id = course.id course_overview._location = course.location course_overview.org = course.location.org course_overview.display_name = display_name course_overview.display_number_with_default = course.display_number_with_default course_overview.display_org_with_default = course.display_org_with_default course_overview.start = start course_overview.end = end course_overview.advertised_start = course.advertised_start course_overview.announcement = course.announcement course_overview.course_image_url = course_image_url(course) course_overview.social_sharing_url = course.social_sharing_url course_overview.certificates_display_behavior = course.certificates_display_behavior course_overview.certificates_show_before_end = course.certificates_show_before_end course_overview.cert_html_view_enabled = course.cert_html_view_enabled course_overview.has_any_active_web_certificate = ( get_active_web_certificate(course) is not None) course_overview.cert_name_short = course.cert_name_short course_overview.cert_name_long = course.cert_name_long course_overview.certificate_available_date = course.certificate_available_date course_overview.lowest_passing_grade = lowest_passing_grade course_overview.end_of_course_survey_url = course.end_of_course_survey_url course_overview.days_early_for_beta = course.days_early_for_beta course_overview.mobile_available = course.mobile_available course_overview.visible_to_staff_only = course.visible_to_staff_only course_overview._pre_requisite_courses_json = json.dumps( course.pre_requisite_courses) course_overview.enrollment_start = course.enrollment_start course_overview.enrollment_end = course.enrollment_end course_overview.enrollment_domain = course.enrollment_domain course_overview.invitation_only = course.invitation_only course_overview.max_student_enrollments_allowed = max_student_enrollments_allowed course_overview.catalog_visibility = course.catalog_visibility course_overview.short_description = CourseDetails.fetch_about_attribute( course.id, 'short_description') course_overview.effort = CourseDetails.fetch_about_attribute( course.id, 'effort') course_overview.course_video_url = CourseDetails.fetch_video_url( course.id) course_overview.self_paced = course.self_paced if not CatalogIntegration.is_enabled(): course_overview.language = course.language return course_overview
def _create_or_update(cls, course): # lint-amnesty, pylint: disable=too-many-statements """ Creates or updates a CourseOverview object from a CourseBlock. Does not touch the database, simply constructs and returns an overview from the given course. Arguments: course (CourseBlock): any course descriptor object Returns: CourseOverview: created or updated overview extracted from the given course """ from lms.djangoapps.certificates.api import get_active_web_certificate from openedx.core.lib.courses import course_image_url # Workaround for a problem discovered in https://openedx.atlassian.net/browse/TNL-2806. # If the course has a malformed grading policy such that # course._grading_policy['GRADE_CUTOFFS'] = {}, then # course.lowest_passing_grade will raise a ValueError. # Work around this for now by defaulting to None. try: lowest_passing_grade = course.lowest_passing_grade except ValueError: lowest_passing_grade = None display_name = course.display_name start = course.start end = course.end max_student_enrollments_allowed = course.max_student_enrollments_allowed if isinstance(course.id, CCXLocator): from lms.djangoapps.ccx.utils import get_ccx_from_ccx_locator ccx = get_ccx_from_ccx_locator(course.id) display_name = ccx.display_name start = ccx.start end = ccx.due max_student_enrollments_allowed = ccx.max_student_enrollments_allowed course_overview = cls.objects.filter(id=course.id) if course_overview.exists(): log.info('Updating course overview for %s.', str(course.id)) course_overview = course_overview.first() # MySQL ignores casing, but CourseKey doesn't. To prevent multiple # courses with different cased keys from overriding each other, we'll # check for equality here in python. if course_overview.id != course.id: raise CourseOverviewCaseMismatchException( course_overview.id, course.id) else: log.info('Creating course overview for %s.', str(course.id)) course_overview = cls() course_overview.version = cls.VERSION course_overview.id = course.id course_overview._location = course.location # lint-amnesty, pylint: disable=protected-access course_overview.org = course.location.org course_overview.display_name = display_name course_overview.display_number_with_default = course.display_number_with_default course_overview.display_org_with_default = course.display_org_with_default course_overview.start = start course_overview.end = end course_overview.advertised_start = course.advertised_start course_overview.announcement = course.announcement course_overview.banner_image_url = course_image_url( course, 'banner_image') course_overview.course_image_url = course_image_url(course) course_overview.social_sharing_url = course.social_sharing_url updated_available_date, updated_display_behavior = CourseDetails.validate_certificate_settings( course.certificate_available_date, course.certificates_display_behavior) course_overview.certificates_display_behavior = updated_display_behavior course_overview.certificate_available_date = updated_available_date course_overview.certificates_show_before_end = course.certificates_show_before_end course_overview.cert_html_view_enabled = course.cert_html_view_enabled course_overview.has_any_active_web_certificate = ( get_active_web_certificate(course) is not None) course_overview.cert_name_short = course.cert_name_short course_overview.cert_name_long = course.cert_name_long course_overview.lowest_passing_grade = lowest_passing_grade course_overview.end_of_course_survey_url = course.end_of_course_survey_url course_overview.days_early_for_beta = course.days_early_for_beta course_overview.mobile_available = course.mobile_available course_overview.visible_to_staff_only = course.visible_to_staff_only course_overview._pre_requisite_courses_json = json.dumps( course.pre_requisite_courses) # lint-amnesty, pylint: disable=protected-access course_overview.enrollment_start = course.enrollment_start course_overview.enrollment_end = course.enrollment_end course_overview.enrollment_domain = course.enrollment_domain course_overview.invitation_only = course.invitation_only course_overview.max_student_enrollments_allowed = max_student_enrollments_allowed course_overview.catalog_visibility = course.catalog_visibility course_overview.short_description = CourseDetails.fetch_about_attribute( course.id, 'short_description') course_overview.effort = CourseDetails.fetch_about_attribute( course.id, 'effort') course_overview.course_video_url = CourseDetails.fetch_video_url( course.id) course_overview.self_paced = course.self_paced course_overview.has_highlights = cls._get_course_has_highlights(course) course_overview.enable_proctored_exams = course.enable_proctored_exams course_overview.proctoring_provider = course.proctoring_provider course_overview.proctoring_escalation_email = course.proctoring_escalation_email course_overview.allow_proctoring_opt_out = course.allow_proctoring_opt_out course_overview.entrance_exam_enabled = course.entrance_exam_enabled # entrance_exam_id defaults to None in the course object, but '' is more reasonable for a string field course_overview.entrance_exam_id = course.entrance_exam_id or '' # Despite it being a float, the course object defaults to an int. So we will detect that case and update # it to be a float like everything else. if isinstance(course.entrance_exam_minimum_score_pct, int): course_overview.entrance_exam_minimum_score_pct = course.entrance_exam_minimum_score_pct / 100 else: course_overview.entrance_exam_minimum_score_pct = course.entrance_exam_minimum_score_pct if not CatalogIntegration.is_enabled(): course_overview.language = course.language return course_overview
def test_fetch_about_attribute_error(self): attribute_name = 'not_an_about_attribute' with self.store.branch_setting(ModuleStoreEnum.Branch.draft_preferred, self.course.id): CourseDetails.update_about_item(self.course, attribute_name, 'test_value', self.user.id) with self.assertRaises(ValueError): CourseDetails.fetch_about_attribute(self.course.id, attribute_name)
def test_fetch_about_attribute(self, attribute_name): attribute_value = 'test_value' with self.store.branch_setting(ModuleStoreEnum.Branch.draft_preferred, self.course.id): CourseDetails.update_about_item(self.course, attribute_name, attribute_value, self.user.id) self.assertEqual(CourseDetails.fetch_about_attribute(self.course.id, attribute_name), attribute_value)
def _create_from_course(cls, course): """ Creates a CourseOverview object from a CourseDescriptor. Does not touch the database, simply constructs and returns an overview from the given course. Arguments: course (CourseDescriptor): any course descriptor object Returns: CourseOverview: overview extracted from the given course """ from lms.djangoapps.certificates.api import get_active_web_certificate from openedx.core.lib.courses import course_image_url log.info('Creating course overview for %s.', unicode(course.id)) # Workaround for a problem discovered in https://openedx.atlassian.net/browse/TNL-2806. # If the course has a malformed grading policy such that # course._grading_policy['GRADE_CUTOFFS'] = {}, then # course.lowest_passing_grade will raise a ValueError. # Work around this for now by defaulting to None. try: lowest_passing_grade = course.lowest_passing_grade except ValueError: lowest_passing_grade = None display_name = course.display_name start = course.start end = course.end max_student_enrollments_allowed = course.max_student_enrollments_allowed if isinstance(course.id, CCXLocator): from lms.djangoapps.ccx.utils import get_ccx_from_ccx_locator ccx = get_ccx_from_ccx_locator(course.id) display_name = ccx.display_name start = ccx.start end = ccx.due max_student_enrollments_allowed = ccx.max_student_enrollments_allowed return cls( version=cls.VERSION, id=course.id, _location=course.location, org=course.location.org, display_name=display_name, display_number_with_default=course.display_number_with_default, display_org_with_default=course.display_org_with_default, start=start, end=end, advertised_start=course.advertised_start, announcement=course.announcement, course_image_url=course_image_url(course), social_sharing_url=course.social_sharing_url, certificates_display_behavior=course.certificates_display_behavior, certificates_show_before_end=course.certificates_show_before_end, cert_html_view_enabled=course.cert_html_view_enabled, has_any_active_web_certificate=(get_active_web_certificate(course) is not None), cert_name_short=course.cert_name_short, cert_name_long=course.cert_name_long, lowest_passing_grade=lowest_passing_grade, end_of_course_survey_url=course.end_of_course_survey_url, days_early_for_beta=course.days_early_for_beta, mobile_available=course.mobile_available, visible_to_staff_only=course.visible_to_staff_only, _pre_requisite_courses_json=json.dumps(course.pre_requisite_courses), enrollment_start=course.enrollment_start, enrollment_end=course.enrollment_end, enrollment_domain=course.enrollment_domain, invitation_only=course.invitation_only, max_student_enrollments_allowed=max_student_enrollments_allowed, catalog_visibility=course.catalog_visibility, short_description=CourseDetails.fetch_about_attribute(course.id, 'short_description'), effort=CourseDetails.fetch_about_attribute(course.id, 'effort'), course_video_url=CourseDetails.fetch_video_url(course.id), self_paced=course.self_paced, )
def recommend(self, bot, chat_id, telegram_user): telegram_id = telegram_user.telegram_id if not LearningPredictionForUser.objects.filter( telegram_user=telegram_user): bot.sendMessage(chat_id=chat_id, text="It seems like I see you for the first time,"\ " please answer a few questions, so I'll be know more about you") prediction.get_test_courses(telegram_id) test_courses = LearningPredictionForUser.objects.get( telegram_user=telegram_user).get_list() if len(test_courses) > 0: course_id = MatrixEdxCoursesId.objects.filter( course_index=test_courses[0]).first().course_key course_key = CourseKey.from_string(course_id) reply_markup = InlineKeyboardMarkup( [[ InlineKeyboardButton(text='I like it!', callback_data=json.dumps({ 'method': 'learning', 'kwargs': {} })) ], [ InlineKeyboardButton(text="Hmmm. I don't like at all!", callback_data=json.dumps({ 'method': 'learning', 'kwargs': { 'is_positive': False } })) ]]) else: predicted_course_id = prediction.prediction(telegram_id) if predicted_course_id == -1: bot.sendMessage( chat_id=chat_id, text= "It seems like you have enrolled to all courses we have for now" ) return predicted_course_key = MatrixEdxCoursesId.objects.filter(course_index=predicted_course_id)\ .first().course_key bot.sendMessage( chat_id=chat_id, text="Now I'm going to recommend you some great courses") course_key = CourseKey.from_string(predicted_course_key) course_for_user = PredictionForUser.objects.get_or_create( telegram_user=telegram_user)[0] course_for_user.prediction_course = predicted_course_key course_for_user.save() reply_markup = InlineKeyboardMarkup( [[ InlineKeyboardButton(text='I like it and I want to enroll', callback_data=json.dumps({ 'method': 'enroll', 'kwargs': {} })) ], [ InlineKeyboardButton( text='I like it but will eroll another time', callback_data=json.dumps({ 'method': 'not_enroll', 'kwargs': {} })) ], [ InlineKeyboardButton( text="What the shit is this (I don't like it)", callback_data=json.dumps({ 'method': 'wrong_predict', 'kwargs': {} })) ]]) course_description = CourseDetails.fetch_about_attribute( course_key, 'overview') course_title = modulestore().get_course( course_key).display_name_with_default bot.sendMessage(chat_id=chat_id, text='*%s*' % course_title, parse_mode=telegram.ParseMode.MARKDOWN) bot.sendMessage(chat_id=chat_id, text=truncate_course_info(course_description), reply_markup=reply_markup)
def _create_from_course(cls, course): """ Creates a CourseOverview object from a CourseDescriptor. Does not touch the database, simply constructs and returns an overview from the given course. Arguments: course (CourseDescriptor): any course descriptor object Returns: CourseOverview: overview extracted from the given course """ from lms.djangoapps.certificates.api import get_active_web_certificate from openedx.core.lib.courses import course_image_url log.info('Creating course overview for %s.', unicode(course.id)) # Workaround for a problem discovered in https://openedx.atlassian.net/browse/TNL-2806. # If the course has a malformed grading policy such that # course._grading_policy['GRADE_CUTOFFS'] = {}, then # course.lowest_passing_grade will raise a ValueError. # Work around this for now by defaulting to None. try: lowest_passing_grade = course.lowest_passing_grade except ValueError: lowest_passing_grade = None display_name = course.display_name start = course.start end = course.end max_student_enrollments_allowed = course.max_student_enrollments_allowed if isinstance(course.id, CCXLocator): from lms.djangoapps.ccx.utils import get_ccx_from_ccx_locator ccx = get_ccx_from_ccx_locator(course.id) display_name = ccx.display_name start = ccx.start end = ccx.due max_student_enrollments_allowed = ccx.max_student_enrollments_allowed return cls( version=cls.VERSION, id=course.id, _location=course.location, org=course.location.org, display_name=display_name, display_number_with_default=course.display_number_with_default, display_org_with_default=course.display_org_with_default, start=start, end=end, advertised_start=course.advertised_start, announcement=course.announcement, course_image_url=course_image_url(course), social_sharing_url=course.social_sharing_url, certificates_display_behavior=course.certificates_display_behavior, certificates_show_before_end=course.certificates_show_before_end, cert_html_view_enabled=course.cert_html_view_enabled, has_any_active_web_certificate=(get_active_web_certificate(course) is not None), cert_name_short=course.cert_name_short, cert_name_long=course.cert_name_long, lowest_passing_grade=lowest_passing_grade, end_of_course_survey_url=course.end_of_course_survey_url, days_early_for_beta=course.days_early_for_beta, mobile_available=course.mobile_available, visible_to_staff_only=course.visible_to_staff_only, _pre_requisite_courses_json=json.dumps( course.pre_requisite_courses), enrollment_start=course.enrollment_start, enrollment_end=course.enrollment_end, enrollment_domain=course.enrollment_domain, invitation_only=course.invitation_only, max_student_enrollments_allowed=max_student_enrollments_allowed, catalog_visibility=course.catalog_visibility, short_description=CourseDetails.fetch_about_attribute( course.id, 'short_description'), effort=CourseDetails.fetch_about_attribute(course.id, 'effort'), course_video_url=CourseDetails.fetch_video_url(course.id), self_paced=course.self_paced, )