def student_view(self, context=None):
"""
The primary view of the PeerInstructionXBlock, shown to students when viewing courses.
"""
# convert key into integers as json.dump and json.load convert integer dictionary key into string
self.sys_selected_answers = {int(k): v for k, v in self.sys_selected_answers.items()}
# generate a random seed for student
student_item = self.get_student_item_dict()
random.seed(student_item['student_id'])
answers = self.get_answers_for_student()
html = ""
html += self.resource_string("static/html/ubcpi.html")
frag = Fragment(html)
frag.add_css(self.resource_string("static/css/ubcpi.css"))
frag.add_javascript_url("//ajax.googleapis.com/ajax/libs/angularjs/1.3.13/angular.js")
frag.add_javascript_url("//ajax.googleapis.com/ajax/libs/angularjs/1.3.13/angular-messages.js")
frag.add_javascript_url("//ajax.googleapis.com/ajax/libs/angularjs/1.3.13/angular-sanitize.js")
frag.add_javascript_url("//ajax.googleapis.com/ajax/libs/angularjs/1.3.13/angular-cookies.js")
frag.add_javascript_url("//cdnjs.cloudflare.com/ajax/libs/d3/3.3.13/d3.min.js")
frag.add_javascript(self.resource_string("static/js/src/d3-pibar.js"))
frag.add_javascript(self.resource_string("static/js/src/ubcpi.js"))
frag.add_javascript(self.resource_string("static/js/src/ubcpi-answer-result-directive.js"))
frag.add_javascript(self.resource_string("static/js/src/ubcpi-barchart-directive.js"))
# convert image URLs
question = deepcopy(self.question_text)
question.update({'image_url': self.get_asset_url(question.get('image_url'))})
options = deepcopy(self.options)
for option in options:
if option.get('image_url'):
option.update({'image_url': self.get_asset_url(option.get('image_url'))})
js_vals = {
'answer_original': answers.get_vote(0),
'rationale_original': answers.get_rationale(0),
'answer_revised': answers.get_vote(1),
'rationale_revised': answers.get_rationale(1),
'display_name': self.display_name,
'question_text': question,
'options': options,
'rationale_size': self.rationale_size,
'all_status': {'NEW': STATUS_NEW, 'ANSWERED': STATUS_ANSWERED, 'REVISED': STATUS_REVISED},
}
if answers.has_revision(0) and not answers.has_revision(1):
js_vals['other_answers'] = get_other_answers(
self.sys_selected_answers, self.seeds, self.get_student_item_dict, self.algo, self.options)
# reveal the correct answer in the end
if answers.has_revision(1):
js_vals['correct_answer'] = self.correct_answer
js_vals['correct_rationale'] = self.correct_rationale
# Pass the answer to out Javascript
frag.initialize_js('PeerInstructionXBlock', js_vals)
return frag
def get_persisted_data(self):
"""
Formats a usable dict based on what data the user has persisted
Adds the other answers and correct answer/rationale when needed
"""
answers = self.get_answers_for_student()
ret = {
"answer_original": answers.get_vote(0),
"rationale_original": answers.get_rationale(0),
"answer_revised": answers.get_vote(1),
"rationale_revised": answers.get_rationale(1),
}
if answers.has_revision(0) and not answers.has_revision(1):
ret['other_answers'] = get_other_answers(
self.sys_selected_answers, self.seeds, self.get_student_item_dict, self.algo, self.options)
# reveal the correct answer in the end
if answers.has_revision(1):
ret['correct_answer'] = self.correct_answer
ret['correct_rationale'] = self.correct_rationale
return ret
def get_persisted_data(self):
"""
Formats a usable dict based on what data the user has persisted
Adds the other answers and correct answer/rationale when needed
"""
answers = self.get_answers_for_student()
ret = {
"answer_original": answers.get_vote(0),
"rationale_original": answers.get_rationale(0),
"answer_revised": answers.get_vote(1),
"rationale_revised": answers.get_rationale(1),
}
if answers.has_revision(0) and not answers.has_revision(1):
ret['other_answers'] = get_other_answers(
self.sys_selected_answers, self.seeds, self.get_student_item_dict, self.algo, self.options)
# reveal the correct answer in the end
if answers.has_revision(1):
ret['correct_answer'] = self.correct_answer
ret['correct_rationale'] = self.correct_rationale
return ret
def get_persisted_data(self, other_answers):
"""
Formats a usable dict based on what data the user has persisted
Adds the other answers and correct answer/rationale when needed
"""
answers = self.get_answers_for_student()
pool_count = get_other_answers_count(self.sys_selected_answers, self.seeds, self.get_student_item_dict)
ret = {
"answer_original": answers.get_vote(0),
"rationale_original": answers.get_rationale(0),
"answer_revised": answers.get_vote(1),
"rationale_revised": answers.get_rationale(1),
}
if answers.has_revision(0) and not answers.has_revision(1):
# If no persisted peer answers, generate new ones.
# Could happen if a student completed Step 1 before ubcpi upgraded to persist peer answers.
if not other_answers:
ret['other_answers'] = get_other_answers(
self.sys_selected_answers, self.seeds, self.get_student_item_dict, self.algo, self.options)
else:
ret['other_answers'] = other_answers
ret['alt_answers_available'] = {}
# count how many answers we are showing for each option
showing_count = {}
for ans in ret['other_answers'].get('answers', []):
if ans.get('option', None) is not None:
showing_count[ans['option']] = showing_count.get(ans['option'], 0) + 1
for key in pool_count:
ret['alt_answers_available'][key] = True if pool_count[key] > showing_count.get(key, 0) else False
# reveal the correct answer in the end
if answers.has_revision(1):
ret['correct_answer'] = self.correct_answer
ret['correct_rationale'] = self.correct_rationale
return ret
def submit_answer(self, data, suffix=''):
"""
Answer submission handler to process the student answers
"""
# convert key into integers as json.dump and json.load convert integer dictionary key into string
self.sys_selected_answers = {int(k): v for k, v in self.sys_selected_answers.items()}
self.record_response(data['q'], data['rationale'], data['status'])
answers = self.get_answers_for_student()
ret = {
"answer_original": answers.get_vote(0),
"rationale_original": answers.get_rationale(0),
"answer_revised": answers.get_vote(1),
"rationale_revised": answers.get_rationale(1),
}
if answers.has_revision(0) and not answers.has_revision(1):
ret['other_answers'] = get_other_answers(
self.sys_selected_answers, self.seeds, self.get_student_item_dict, self.algo, self.options)
# reveal the correct answer in the end
if answers.has_revision(1):
ret['correct_answer'] = self.correct_answer
ret['correct_rationale'] = self.correct_rationale
return ret
def record_response(self, answer, rationale, status):
"""
Store response from student to the backend
Args:
answer (int): the option index that student responded
rationale (str): the rationale text
status (int): the progress status for this student. Possible values are:
STATUS_NEW, STATUS_ANSWERED, STATUS_REVISED
Raises:
PermissionDenied: if we got an invalid status
"""
answers = self.get_answers_for_student()
stats = self.get_current_stats()
truncated_rationale, was_truncated = truncate_rationale(rationale)
corr_ans_text = ''
if self.correct_answer == len(self.options): # handle scenario with no correct answer
corr_ans_text = 'n/a'
else:
corr_ans_text = self.options[self.correct_answer].get('text'),
event_dict = {
'answer': answer,
'answer_text': self.options[answer].get('text'),
'rationale': truncated_rationale,
'correct_answer': self.correct_answer,
'correct_answer_text': corr_ans_text,
'correct_rationale': self.correct_rationale,
'truncated': was_truncated
}
if not answers.has_revision(0) and status == STATUS_NEW:
student_item = self.get_student_item_dict()
sas_api.add_answer_for_student(student_item, answer, rationale)
num_resp = stats['original'].setdefault(answer, 0)
stats['original'][answer] = num_resp + 1
offer_answer(
self.sys_selected_answers, answer, rationale,
student_item['student_id'], self.algo, self.options)
self.other_answers_shown = get_other_answers(
self.sys_selected_answers, self.seeds, self.get_student_item_dict, self.algo, self.options)
event_dict['other_student_responses'] = self.other_answers_shown
self.publish_event_from_dict(
self.event_namespace + '.original_submitted',
event_dict
)
return event_dict['other_student_responses']
elif answers.has_revision(0) and not answers.has_revision(1) and status == STATUS_ANSWERED:
sas_api.add_answer_for_student(self.get_student_item_dict(), answer, rationale)
num_resp = stats['revised'].setdefault(answer, 0)
stats['revised'][answer] = num_resp + 1
# Fetch the grade
grade = self.get_grade()
# Send the grade
self.runtime.publish(self, 'grade', {'value': grade, 'max_value': 1})
self.publish_event_from_dict(
self.event_namespace + '.revised_submitted',
event_dict
)
else:
raise PermissionDenied
def student_view(self, context=None):
"""
The primary view of the PeerInstructionXBlock, shown to students when viewing courses.
"""
# convert key into integers as json.dump and json.load convert integer dictionary key into string
self.sys_selected_answers = {int(k): v for k, v in self.sys_selected_answers.items()}
# generate a random seed for student
student_item = self.get_student_item_dict()
random.seed(student_item['student_id'])
answers = self.get_answers_for_student()
html = ""
html += self.resource_string("static/html/ubcpi.html")
frag = Fragment(html)
frag.add_css(self.resource_string("static/css/ubcpi.css"))
frag.add_javascript_url("//ajax.googleapis.com/ajax/libs/angularjs/1.3.13/angular.js")
frag.add_javascript_url("//ajax.googleapis.com/ajax/libs/angularjs/1.3.13/angular-messages.js")
frag.add_javascript_url("//ajax.googleapis.com/ajax/libs/angularjs/1.3.13/angular-sanitize.js")
frag.add_javascript_url("//ajax.googleapis.com/ajax/libs/angularjs/1.3.13/angular-cookies.js")
frag.add_javascript_url("//cdnjs.cloudflare.com/ajax/libs/angular-gettext/2.3.8/angular-gettext.min.js")
frag.add_javascript_url("//cdnjs.cloudflare.com/ajax/libs/d3/3.3.13/d3.min.js")
frag.add_javascript(self.resource_string("static/js/src/d3-pibar.js"))
frag.add_javascript(self.resource_string("static/js/src/ubcpi.js"))
frag.add_javascript(self.resource_string("static/js/src/ubcpi-answer-result-directive.js"))
frag.add_javascript(self.resource_string("static/js/src/ubcpi-barchart-directive.js"))
frag.add_javascript(self.resource_string("static/js/src/translations.js"))
# convert image URLs
question = deepcopy(self.question_text)
question.update({'image_url': self.get_asset_url(question.get('image_url'))})
options = deepcopy(self.options)
for option in options:
if option.get('image_url'):
option.update({'image_url': self.get_asset_url(option.get('image_url'))})
js_vals = {
'answer_original': answers.get_vote(0),
'rationale_original': answers.get_rationale(0),
'answer_revised': answers.get_vote(1),
'rationale_revised': answers.get_rationale(1),
'display_name': self.ugettext(self.display_name),
'question_text': question,
'weight': self.weight,
'options': options,
'rationale_size': self.rationale_size,
'user_role': self.get_user_role(),
'all_status': {'NEW': STATUS_NEW, 'ANSWERED': STATUS_ANSWERED, 'REVISED': STATUS_REVISED},
'lang': translation.get_language(),
}
if answers.has_revision(0) and not answers.has_revision(1):
js_vals['other_answers'] = get_other_answers(
self.sys_selected_answers, self.seeds, self.get_student_item_dict, self.algo, self.options)
# reveal the correct answer in the end
if answers.has_revision(1):
js_vals['correct_answer'] = self.correct_answer
js_vals['correct_rationale'] = self.correct_rationale
# Pass the answer to out Javascript
frag.initialize_js('PeerInstructionXBlock', js_vals)
self.publish_event_from_dict(self.event_namespace + '.accessed', {})
return frag
