def generate_flat_topic_tree(node_cache=None, lang_code=settings.LANGUAGE_CODE, alldata=False):
with i18n.translate_block(lang_code):
categories = node_cache or get_node_cache(language=i18n.lcode_to_django_lang(lang_code))
result = dict()
# make sure that we only get the slug of child of a topic
# to avoid redundancy
for category_name, category in categories.iteritems():
result[category_name] = {}
for node_name, node in category.iteritems():
if alldata:
relevant_data = node
else:
relevant_data = {
'title': _(node['title']),
'path': node['path'],
'kind': node['kind'],
'available': node.get('available', True),
'keywords': node.get('keywords', []),
}
result[category_name][node_name] = relevant_data
return result
def generate_flat_topic_tree(node_cache=None, lang_code=settings.LANGUAGE_CODE, alldata=False):
with i18n.translate_block(lang_code):
categories = node_cache or get_node_cache(language=i18n.lcode_to_django_lang(lang_code))
result = dict()
# make sure that we only get the slug of child of a topic
# to avoid redundancy
for category_name, category in categories.iteritems():
result[category_name] = {}
for node_name, node in category.iteritems():
if alldata:
relevant_data = node
else:
relevant_data = {
'title': _(node['title']),
'path': node['path'],
'kind': node['kind'],
'available': node.get('available', True),
'keywords': node.get('keywords', []),
}
result[category_name][node_name] = relevant_data
return result
def tabular_view(request, report_type="exercise"):
"""Tabular view also gets data server-side."""
# important for setting the defaults for the coach nav bar
language = lcode_to_django_lang(request.language)
facility, group_id, context = coach_nav_context(request, "tabular")
# Define how students are ordered--used to be as efficient as possible.
student_ordering = ["last_name", "first_name", "username"]
# Get a list of topics (sorted) and groups
topics = [get_node_cache("Topic", language=language).get(tid["id"]) for tid in get_knowledgemap_topics(language=language) if report_type.title() in tid["contains"]]
playlists = Playlist.all()
(groups, facilities, ungrouped_available) = get_accessible_objects_from_logged_in_user(request, facility=facility)
context.update(plotting_metadata_context(request, facility=facility))
context.update({
# For translators: the following two translations are nouns
"report_types": ({"value": "exercise", "name":_("exercise")}, {"value": "video", "name": _("video")}),
"request_report_type": report_type,
"topics": [{"id": t["id"], "title": t["title"]} for t in topics if t],
"playlists": [{"id": p.id, "title": p.title, "tag": p.tag} for p in playlists if p],
})
# get querystring info
topic_id = request.GET.get("topic", "")
playlist_id = request.GET.get("playlist", "")
# No valid data; just show generic
# Exactly one of topic_id or playlist_id should be present
if not ((topic_id or playlist_id) and not (topic_id and playlist_id)):
if playlists:
messages.add_message(request, WARNING, _("Please select a playlist."))
elif topics:
messages.add_message(request, WARNING, _("Please select a topic."))
return context
playlist = (filter(lambda p: p.id == playlist_id, Playlist.all()) or [None])[0]
if group_id:
# Narrow by group
if group_id == control_panel_api_resources.UNGROUPED_KEY:
users = FacilityUser.objects.filter(group__isnull=True, is_teacher=False)
if facility:
# filter only those ungrouped students for the facility
users = users.filter(facility=facility)
users = users.order_by(*student_ordering)
else:
# filter all ungroup students
users = FacilityUser.objects.filter(group__isnull=True, is_teacher=False).order_by(*student_ordering)
else:
users = FacilityUser.objects.filter(
group=group_id, is_teacher=False).order_by(*student_ordering)
elif facility:
# Narrow by facility
search_groups = [groups_dict["groups"] for groups_dict in groups if groups_dict["facility"] == facility.id]
assert len(search_groups) <= 1, "Should only have one or zero matches."
# Return groups and ungrouped
search_groups = search_groups[0] # make sure to include ungrouped students
users = FacilityUser.objects.filter(
Q(group__in=search_groups) | Q(group=None, facility=facility), is_teacher=False).order_by(*student_ordering)
else:
# Show all (including ungrouped)
search_groups = []
for groups_dict in groups:
search_groups += groups_dict["groups"]
users = FacilityUser.objects.filter(
Q(group__in=search_groups) | Q(group=None), is_teacher=False).order_by(*student_ordering)
# We have enough data to render over a group of students
# Get type-specific information
if report_type == "exercise":
# Fill in exercises
if topic_id:
exercises = get_topic_exercises(topic_id=topic_id)
elif playlist:
exercises = playlist.get_playlist_entries("Exercise", language=language)
context["exercises"] = exercises
# More code, but much faster
exercise_names = [ex["id"] for ex in context["exercises"]]
# Get students
context["students"] = []
exlogs = ExerciseLog.objects \
.filter(user__in=users, exercise_id__in=exercise_names) \
.order_by(*["user__%s" % field for field in student_ordering]) \
.values("user__id", "struggling", "complete", "exercise_id")
exlogs = list(exlogs) # force the query to be evaluated
exlog_idx = 0
for user in users:
log_table = {}
while exlog_idx < len(exlogs) and exlogs[exlog_idx]["user__id"] == user.id:
log_table[exlogs[exlog_idx]["exercise_id"]] = exlogs[exlog_idx]
exlog_idx += 1
context["students"].append({ # this could be DRYer
"first_name": user.first_name,
"last_name": user.last_name,
"username": user.username,
"name": user.get_name(),
"id": user.id,
"exercise_logs": log_table,
})
elif report_type == "video":
# Fill in videos
if topic_id:
context["videos"] = get_topic_videos(topic_id=topic_id)
elif playlist:
context["videos"] = playlist.get_playlist_entries("Video", language=language)
# More code, but much faster
video_ids = [vid["id"] for vid in context["videos"]]
# Get students
context["students"] = []
vidlogs = VideoLog.objects \
.filter(user__in=users, video_id__in=video_ids) \
.order_by(*["user__%s" % field for field in student_ordering])\
.values("user__id", "complete", "video_id", "total_seconds_watched", "points")
vidlogs = list(vidlogs) # force the query to be executed now
vidlog_idx = 0
for user in users:
log_table = {}
while vidlog_idx < len(vidlogs) and vidlogs[vidlog_idx]["user__id"] == user.id:
log_table[vidlogs[vidlog_idx]["video_id"]] = vidlogs[vidlog_idx]
vidlog_idx += 1
context["students"].append({ # this could be DRYer
"first_name": user.first_name,
"last_name": user.last_name,
"username": user.username,
"name": user.get_name(),
"id": user.id,
"video_logs": log_table,
})
else:
raise Http404(_("Unknown report_type: %(report_type)s") % {"report_type": report_type})
# Validate results by showing user messages.
if not users:
# 1. check group facility groups
if len(groups) > 0 and not groups[0]['groups']:
# 1. No groups available (for facility) and "no students" returned.
messages.add_message(request, WARNING,
_("No learner accounts have been created for selected facility/group."))
elif topic_id and playlist_id:
# 2. Both topic and playlist are selected.
messages.add_message(request, WARNING, _("Please select either a topic or a playlist above, but not both."))
elif not topic_id and not playlist_id:
# 3. Group was selected, but data not queried because a topic or playlist was not selected.
if playlists:
# 4. No playlist was selected.
messages.add_message(request, WARNING, _("Please select a playlist."))
elif topics:
# 5. No topic was selected.
messages.add_message(request, WARNING, _("Please select a topic."))
else:
# 6. Everything specified, but no users fit the query.
messages.add_message(request, WARNING, _("No learner accounts in this group have been created."))
# End: Validate results by showing user messages.
log_coach_report_view(request)
return context
def login(self, request, **kwargs):
self.method_check(request, allowed=['post'])
logout(request)
data = self.deserialize(request,
request.body,
format=request.META.get(
'CONTENT_TYPE', 'application/json'))
username = data.get('username', '')
password = data.get('password', '')
facility = data.get('facility', '')
# first try logging in as a Django user
if not settings.CENTRAL_SERVER:
user = authenticate(username=username, password=password)
if user:
login(request, user)
return self.create_response(
request, {
'success': True,
'redirect': reverse("zone_redirect")
})
# Find all matching users
users = FacilityUser.objects.filter(username=username,
facility=facility)
if users.count() == 0:
if Facility.objects.count() > 1:
error_message = _(
"Username was not found for this facility. Did you type your username correctly, and choose the right facility?"
)
else:
error_message = _(
"Username was not found. Did you type your username correctly?"
)
return self.create_response(
request, {
'messages': {
'error': error_message
},
'error_highlight': "username"
}, HttpUnauthorized)
for user in users:
if settings.SIMPLIFIED_LOGIN and not user.is_teacher:
# For simplified login, as long as it is a student account just take the first one!
break
# if we find a user whose password matches, stop looking
if user.check_password(password):
break
else:
user = None
if not user:
return self.create_response(
request,
{
'messages': {
'error': _("Password was incorrect. Please try again.")
},
# Specify which field to highlight as in error.
'error_highlight': "password"
},
HttpUnauthorized)
else:
try:
UserLog.begin_user_activity(
user,
activity_type="login",
language=lcode_to_django_lang(request.language)
) # Success! Log the event (ignoring validation failures)
except ValidationError as e:
logging.error("Failed to begin_user_activity upon login: %s" %
e)
request.session["facility_user"] = user
messages.success(
request,
_("You've been logged in! We hope you enjoy your time with KA Lite "
) + _("-- be sure to log out when you finish."))
extras = {'success': True}
if user.is_teacher:
extras.update({
"redirect":
reverse("coach_reports",
kwargs={
"zone_id":
getattr(Device.get_own_device().get_zone(),
"id", "None")
})
})
return self.create_response(request, extras)
def tabular_view(request, report_type="exercise"):
"""Tabular view also gets data server-side."""
# important for setting the defaults for the coach nav bar
language = lcode_to_django_lang(request.language)
facility, group_id, context = coach_nav_context(request, "tabular")
# Define how students are ordered--used to be as efficient as possible.
student_ordering = ["last_name", "first_name", "username"]
# Get a list of topics (sorted) and groups
topics = [
get_node_cache("Topic", language=language).get(tid["id"])
for tid in get_knowledgemap_topics(language=language)
if report_type.title() in tid["contains"]
]
playlists = Playlist.all()
(groups, facilities,
ungrouped_available) = get_accessible_objects_from_logged_in_user(
request, facility=facility)
context.update(plotting_metadata_context(request, facility=facility))
context.update({
# For translators: the following two translations are nouns
"report_types": ({
"value": "exercise",
"name": _("exercise")
}, {
"value": "video",
"name": _("video")
}),
"request_report_type":
report_type,
"topics": [{
"id": t["id"],
"title": t["title"]
} for t in topics if t],
"playlists": [{
"id": p.id,
"title": p.title,
"tag": p.tag
} for p in playlists if p],
})
# get querystring info
topic_id = request.GET.get("topic", "")
playlist_id = request.GET.get("playlist", "")
# No valid data; just show generic
# Exactly one of topic_id or playlist_id should be present
if not ((topic_id or playlist_id) and not (topic_id and playlist_id)):
if playlists:
messages.add_message(request, WARNING,
_("Please select a playlist."))
elif topics:
messages.add_message(request, WARNING, _("Please select a topic."))
return context
playlist = (filter(lambda p: p.id == playlist_id, Playlist.all())
or [None])[0]
if group_id:
# Narrow by group
if group_id == control_panel_api_resources.UNGROUPED_KEY:
users = FacilityUser.objects.filter(group__isnull=True,
is_teacher=False)
if facility:
# filter only those ungrouped students for the facility
users = users.filter(facility=facility)
users = users.order_by(*student_ordering)
else:
# filter all ungroup students
users = FacilityUser.objects.filter(
group__isnull=True,
is_teacher=False).order_by(*student_ordering)
else:
users = FacilityUser.objects.filter(
group=group_id, is_teacher=False).order_by(*student_ordering)
elif facility:
# Narrow by facility
search_groups = [
groups_dict["groups"] for groups_dict in groups
if groups_dict["facility"] == facility.id
]
assert len(search_groups) <= 1, "Should only have one or zero matches."
# Return groups and ungrouped
search_groups = search_groups[
0] # make sure to include ungrouped students
users = FacilityUser.objects.filter(
Q(group__in=search_groups) | Q(group=None, facility=facility),
is_teacher=False).order_by(*student_ordering)
else:
# Show all (including ungrouped)
search_groups = []
for groups_dict in groups:
search_groups += groups_dict["groups"]
users = FacilityUser.objects.filter(
Q(group__in=search_groups) | Q(group=None),
is_teacher=False).order_by(*student_ordering)
# We have enough data to render over a group of students
# Get type-specific information
if report_type == "exercise":
# Fill in exercises
if topic_id:
exercises = get_topic_exercises(topic_id=topic_id)
elif playlist:
exercises = playlist.get_playlist_entries("Exercise",
language=language)
context["exercises"] = exercises
# More code, but much faster
exercise_names = [ex["id"] for ex in context["exercises"]]
# Get students
context["students"] = []
exlogs = ExerciseLog.objects \
.filter(user__in=users, exercise_id__in=exercise_names) \
.order_by(*["user__%s" % field for field in student_ordering]) \
.values("user__id", "struggling", "complete", "exercise_id")
exlogs = list(exlogs) # force the query to be evaluated
exlog_idx = 0
for user in users:
log_table = {}
while exlog_idx < len(
exlogs) and exlogs[exlog_idx]["user__id"] == user.id:
log_table[exlogs[exlog_idx]["exercise_id"]] = exlogs[exlog_idx]
exlog_idx += 1
context["students"].append({ # this could be DRYer
"first_name": user.first_name,
"last_name": user.last_name,
"username": user.username,
"name": user.get_name(),
"id": user.id,
"exercise_logs": log_table,
})
elif report_type == "video":
# Fill in videos
if topic_id:
context["videos"] = get_topic_videos(topic_id=topic_id)
elif playlist:
context["videos"] = playlist.get_playlist_entries(
"Video", language=language)
# More code, but much faster
video_ids = [vid["id"] for vid in context["videos"]]
# Get students
context["students"] = []
vidlogs = VideoLog.objects \
.filter(user__in=users, video_id__in=video_ids) \
.order_by(*["user__%s" % field for field in student_ordering])\
.values("user__id", "complete", "video_id", "total_seconds_watched", "points")
vidlogs = list(vidlogs) # force the query to be executed now
vidlog_idx = 0
for user in users:
log_table = {}
while vidlog_idx < len(
vidlogs) and vidlogs[vidlog_idx]["user__id"] == user.id:
log_table[vidlogs[vidlog_idx]
["video_id"]] = vidlogs[vidlog_idx]
vidlog_idx += 1
context["students"].append({ # this could be DRYer
"first_name": user.first_name,
"last_name": user.last_name,
"username": user.username,
"name": user.get_name(),
"id": user.id,
"video_logs": log_table,
})
else:
raise Http404(
_("Unknown report_type: %(report_type)s") %
{"report_type": report_type})
# Validate results by showing user messages.
if not users:
# 1. check group facility groups
if len(groups) > 0 and not groups[0]['groups']:
# 1. No groups available (for facility) and "no students" returned.
messages.add_message(
request, WARNING,
_("No learner accounts have been created for selected facility/group."
))
elif topic_id and playlist_id:
# 2. Both topic and playlist are selected.
messages.add_message(
request, WARNING,
_("Please select either a topic or a playlist above, but not both."
))
elif not topic_id and not playlist_id:
# 3. Group was selected, but data not queried because a topic or playlist was not selected.
if playlists:
# 4. No playlist was selected.
messages.add_message(request, WARNING,
_("Please select a playlist."))
elif topics:
# 5. No topic was selected.
messages.add_message(request, WARNING,
_("Please select a topic."))
else:
# 6. Everything specified, but no users fit the query.
messages.add_message(
request, WARNING,
_("No learner accounts in this group have been created."))
# End: Validate results by showing user messages.
log_coach_report_view(request)
return context
def api_data(request, xaxis="", yaxis=""):
"""Request contains information about what data are requested (who, what, and how).
Response should be a JSON object
* data contains the data, structred by user and then datatype
* the rest of the data is metadata, useful for displaying detailed info about data.
"""
language = lcode_to_django_lang(request.language)
# Get the request form
try:
form = get_data_form(request, xaxis=xaxis,
yaxis=yaxis) # (data=request.REQUEST)
except Exception as e:
# In investigating #1509: we can catch SQL errors here and communicate clearer error
# messages with the user here. For now, we have no such error to catch, so just
# pass the errors on to the user (via the @api_handle_error_with_json decorator).
raise e
# Query out the data: who?
if form.data.get("user"):
facility = []
groups = []
users = [get_object_or_404(FacilityUser, id=form.data.get("user"))]
elif form.data.get("group"):
facility = []
if form.data.get("group") == "Ungrouped":
groups = []
users = FacilityUser.objects.filter(
facility__in=[form.data.get("facility")],
group__isnull=True,
is_teacher=False).order_by("last_name", "first_name")
else:
groups = [
get_object_or_404(FacilityGroup, id=form.data.get("group"))
]
users = FacilityUser.objects.filter(group=form.data.get("group"),
is_teacher=False).order_by(
"last_name", "first_name")
elif form.data.get("facility"):
facility = get_object_or_404(Facility, id=form.data.get("facility"))
groups = FacilityGroup.objects.filter(
facility__in=[form.data.get("facility")])
users = FacilityUser.objects.filter(
facility__in=[form.data.get("facility")],
is_teacher=False).order_by("last_name", "first_name")
else:
# Allow superuser to see the data.
if request.user.is_authenticated() and request.user.is_superuser:
facility = []
groups = []
users = FacilityUser.objects.all().order_by(
"last_name", "first_name")
else:
return HttpResponseNotFound(
_("Did not specify facility, group, nor user."))
# Query out the data: where?
if not form.data.get("topic_path"):
return HttpResponseNotFound(_("Must specify a topic path"))
# Query out the data: what?
computed_data = compute_data(
data_types=[form.data.get("xaxis"),
form.data.get("yaxis")],
who=users,
where=form.data.get("topic_path"),
language=language)
# Quickly add back in exercise meta-data (could potentially be used in future for other data too!)
ex_nodes = get_node_cache(language=language)["Exercise"]
exercises = []
for e in computed_data["exercises"]:
exercises.append({
"slug": e,
"full_name": ex_nodes[e]["display_name"],
"url": ex_nodes[e]["path"],
})
json_data = {
"data":
computed_data["data"],
"exercises":
exercises,
"videos":
computed_data["videos"],
"users":
dict(
zip([u.id for u in users], [
"%s, %s" % (u.last_name, u.first_name)
if u.last_name or u.first_name else u.username for u in users
])),
"groups":
dict(
zip(
[g.id for g in groups],
dict(zip(["id", "name"], [(g.id, g.name) for g in groups])),
)),
"facility":
None if not facility else {
"name": facility.name,
"id": facility.id,
}
}
if "facility_user" in request.session:
try:
# Log a "begin" and end here
user = request.session["facility_user"]
UserLog.begin_user_activity(user, activity_type="coachreport")
UserLog.update_user_activity(
user, activity_type="login"
) # to track active login time for teachers
UserLog.end_user_activity(user, activity_type="coachreport")
except ValidationError as e:
# Never report this error; don't want this logging to block other functionality.
logging.error(
"Failed to update Teacher userlog activity login: %s" % e)
# Now we have data, stream it back with a handler for date-times
return JsonResponse(json_data)
def login(self, request, **kwargs):
self.method_check(request, allowed=['post'])
logout(request)
data = self.deserialize(request, request.body, format=request.META.get('CONTENT_TYPE', 'application/json'))
username = data.get('username', '')
password = data.get('password', '')
facility = data.get('facility', '')
# first try logging in as a Django user
if not settings.CENTRAL_SERVER:
user = authenticate(username=username, password=password)
if user:
login(request, user)
return self.create_response(request, {
'success': True,
'redirect': reverse("zone_redirect")
})
# Find all matching users
users = FacilityUser.objects.filter(username=username, facility=facility)
if users.count() == 0:
if Facility.objects.count() > 1:
error_message = _("Username was not found for this facility. Did you type your username correctly, and choose the right facility?")
else:
error_message = _("Username was not found. Did you type your username correctly?")
return self.create_response(request, {
'messages': {'error': error_message},
'error_highlight': "username"
}, HttpUnauthorized )
for user in users:
if settings.SIMPLIFIED_LOGIN and not user.is_teacher:
# For simplified login, as long as it is a student account just take the first one!
break
# if we find a user whose password matches, stop looking
if user.check_password(password):
break
else:
user = None
if not user:
return self.create_response(request, {
'messages': {'error': _("Password was incorrect. Please try again.")},
# Specify which field to highlight as in error.
'error_highlight': "password"
}, HttpUnauthorized )
else:
try:
UserLog.begin_user_activity(user, activity_type="login", language=lcode_to_django_lang(request.language)) # Success! Log the event (ignoring validation failures)
except ValidationError as e:
logging.error("Failed to begin_user_activity upon login: %s" % e)
request.session["facility_user"] = user
messages.success(request, _("You've been logged in! We hope you enjoy your time with KA Lite ")
+ _("-- be sure to log out when you finish."))
extras = {'success': True}
if user.is_teacher:
extras.update({
"redirect": reverse("coach_reports")
})
return self.create_response(request, extras)
def api_data(request, xaxis="", yaxis=""):
"""Request contains information about what data are requested (who, what, and how).
Response should be a JSON object
* data contains the data, structred by user and then datatype
* the rest of the data is metadata, useful for displaying detailed info about data.
"""
language = lcode_to_django_lang(request.language)
# Get the request form
try:
form = get_data_form(request, xaxis=xaxis, yaxis=yaxis) # (data=request.REQUEST)
except Exception as e:
# In investigating #1509: we can catch SQL errors here and communicate clearer error
# messages with the user here. For now, we have no such error to catch, so just
# pass the errors on to the user (via the @api_handle_error_with_json decorator).
raise e
# Query out the data: who?
if form.data.get("user"):
facility = []
groups = []
users = [get_object_or_404(FacilityUser, id=form.data.get("user"))]
elif form.data.get("group"):
facility = []
if form.data.get("group") == "Ungrouped":
groups = []
users = FacilityUser.objects.filter(facility__in=[form.data.get("facility")], group__isnull=True, is_teacher=False).order_by("last_name", "first_name")
else:
groups = [get_object_or_404(FacilityGroup, id=form.data.get("group"))]
users = FacilityUser.objects.filter(group=form.data.get("group"), is_teacher=False).order_by("last_name", "first_name")
elif form.data.get("facility"):
facility = get_object_or_404(Facility, id=form.data.get("facility"))
groups = FacilityGroup.objects.filter(facility__in=[form.data.get("facility")])
users = FacilityUser.objects.filter(facility__in=[form.data.get("facility")], is_teacher=False).order_by("last_name", "first_name")
else:
# Allow superuser to see the data.
if request.user.is_authenticated() and request.user.is_superuser:
facility = []
groups = []
users = FacilityUser.objects.all().order_by("last_name", "first_name")
else:
return HttpResponseNotFound(_("Did not specify facility, group, nor user."))
# Query out the data: where?
if not form.data.get("topic_path"):
return HttpResponseNotFound(_("Must specify a topic path"))
# Query out the data: what?
computed_data = compute_data(data_types=[form.data.get("xaxis"), form.data.get("yaxis")], who=users, where=form.data.get("topic_path"), language=language)
# Quickly add back in exercise meta-data (could potentially be used in future for other data too!)
ex_nodes = get_node_cache(language=language)["Exercise"]
exercises = []
for e in computed_data["exercises"]:
exercises.append({
"slug": e,
"full_name": ex_nodes[e]["display_name"],
"url": ex_nodes[e]["path"],
})
json_data = {
"data": computed_data["data"],
"exercises": exercises,
"videos": computed_data["videos"],
"users": dict(zip([u.id for u in users],
["%s, %s" % (u.last_name, u.first_name) if u.last_name or u.first_name else u.username for u in users]
)),
"groups": dict(zip([g.id for g in groups],
dict(zip(["id", "name"], [(g.id, g.name) for g in groups])),
)),
"facility": None if not facility else {
"name": facility.name,
"id": facility.id,
}
}
if "facility_user" in request.session:
try:
# Log a "begin" and end here
user = request.session["facility_user"]
UserLog.begin_user_activity(user, activity_type="coachreport")
UserLog.update_user_activity(user, activity_type="login") # to track active login time for teachers
UserLog.end_user_activity(user, activity_type="coachreport")
except ValidationError as e:
# Never report this error; don't want this logging to block other functionality.
logging.error("Failed to update Teacher userlog activity login: %s" % e)
# Now we have data, stream it back with a handler for date-times
return JsonResponse(json_data)
def login(request, facility):
if request.user.is_authenticated():
return HttpResponseRedirect(reverse("homepage"))
facility_id = (facility and facility.id) or None
facilities = list(Facility.objects.all())
#Fix for #2047: prompt user to create an admin account if none exists
if not User.objects.exists():
messages.warning(request, _("No administrator account detected. Please run 'kalite manage createsuperuser' from the terminal to create one."))
# Fix for #1211: refresh cached facility info when it's free and relevant
refresh_session_facility_info(request, facility_count=len(facilities))
if request.method != 'POST': # render the unbound login form
referer = urlparse.urlparse(request.META["HTTP_REFERER"]).path if request.META.get("HTTP_REFERER") else None
# never use the homepage as the referer
if referer in [reverse("homepage"), reverse("add_facility_student"), reverse("add_facility_teacher"), reverse("facility_user_signup")]:
referer = None
form = LoginForm(initial={"facility": facility_id, "callback_url": referer})
else: # process the login form
# log out any Django user or facility user
logout(request)
username = request.POST.get("username", "")
password = request.POST.get("password", "")
# first try logging in as a Django user
if not settings.CENTRAL_SERVER:
user = authenticate(username=username, password=password)
if user:
auth_login(request, user)
return HttpResponseRedirect(request.next or reverse("zone_redirect"))
# try logging in as a facility user
form = LoginForm(data=request.POST, request=request, initial={"facility": facility_id})
if not form.is_valid():
messages.error(
request,
_("There was an error logging you in. Please correct any errors listed below, and try again."),
)
else:
user = form.get_user()
try:
UserLog.begin_user_activity(user, activity_type="login", language=lcode_to_django_lang(request.language)) # Success! Log the event (ignoring validation failures)
except ValidationError as e:
logging.error("Failed to begin_user_activity upon login: %s" % e)
request.session["facility_user"] = user
messages.success(request, _("You've been logged in! We hope you enjoy your time with KA Lite ") +
_("-- be sure to log out when you finish."))
# Send them back from whence they came (unless it's the sign up page)
landing_page = form.cleaned_data["callback_url"] if form.cleaned_data["callback_url"] != reverse("facility_user_signup") else None
if not landing_page or landing_page == reverse("login"):
# Just going back to the homepage? We can do better than that.
if form.get_user().is_teacher:
landing_page = reverse("tabular_view")
else:
landing_page = reverse("learn")
return HttpResponseRedirect(request.next or landing_page)
return {
"form": form,
"facilities": facilities,
}