def ajax_login(request):
if request.method == 'POST':
payload = json.loads(request.raw_data)
user = authenticate(username=payload['username'], password=payload['password'])
if user is not None and user.is_active:
login(request, user)
return json_success_response({})
else:
return json_error_response('Unknown username or password, or user is inactive')
return json_error_response('Not an ajax request or not a POST request')
def single_note(request):
'''A view that lets a user access a single note in it's entirety (READ ONLY)'''
if request.method == 'POST':
user = request.user
payload = load_json(request)
note = None
try:
note = user.note_set.get(id=payload['note_id']) #models.Note.objects.filter(owner=user.id).get(id=payload['note_id'])
except ObjectDoesNotExist:
return json_error_response('Unknown note id for this user')
data_points = []
for point in note.data_points.all():
data_points.append({'datum': point.datum,
'is_factual': point.is_factual,
'data_point_id': point.id,
'tags': list(map(lambda t: {'tag': t.tag}, point.tag_set.all()))
})
return json_success_response({'title': note.title, # Does this need the id returned? Front end should be able to cache that
'note_id': note.id,
'summary': note.summary,
'data_points': data_points,
'queries': list(map(lambda q: q.query, note.searchquery_set.all())),
'tags': list(map(lambda t: {'tag': t.tag}, note.tag_set.all()))
})
return HttpResponseBadRequest('Not an ajax call or not a GET request')
def find_similar(request):
'''Finds similar notes, datapoints and sources for whatever note is provided'''
if request.method == 'POST':
user = request.user
try:
payload = load_json(request)
note_id = payload['note_id']
note = user.note_set.get(id=note_id)
except KeyError:
return json_error_response('Malformed json in find_similar request')
except ObjectDoesNotExist:
return json_error_response('Unknown note_id for this user')
note.add_similar_notes()
for data_point in note.data_points.all():
data_point.add_similar_data_points()
# Need to add source.find_similar here whenever a) sources are used and b) the method is created
try: # buildup return results
similar_notes = []
similar_data_points = []
if payload['return_similar_notes']:
for note in note.similar_notes.all():
similar_notes.append({
'note_id': note.id,
'title': note.title,
})
if payload['return_similar_data_points']:
for data_point in note.data_points.all():
for sim_pt in data_point.similar_data_points.all():
similar_data_points.append({
'data_point_id': sim_pt.id,
'datum': sim_pt.datum,
'is_factual': sim_pt.is_factual
})
return json_success_response({
'similar_notes' : similar_notes,
'similar_data_points': similar_data_points
})
except KeyError:
return json_error_response('Found similar notes, BUT not sure if similar_notes or similar_data_points are needed (none returned)')
return HttpResponseBadRequest('Not an ajax request or not a POST request')
def list_notes(request):
'''A simple view that only response to ajax GET requests. Assuming the user can authenticate it will return a list of note titles and relevant dates.'''
if request.method == 'GET':
user = request.user
if user is not None and user.is_active:
notes = []
for note in user.note_set.all(): #models.Note.objects.filter(owner=user):
notes.append({'note_id': note.id,
'title': note.title,
'creation_date': note.creation_date_time,
'last_edit_date': note.last_edit_date_time
})
return json_success_response({'notes': notes})
else:
return json_error_response('Unknown user or incorrect password.')
return HttpResponseBadRequest('Not a GET request.')
def update_single_note(request):
'''Allows posting of new or updated notes, or deleting a single note'''
user = request.user
if request.method == 'POST':
payload = load_json(request)
try:
note = None
if payload['is_new_note']:
note = models.Note.create(title=payload['title'], summary=payload['summary'], private=True, owner=user)
note.save()
else:
try:
note = user.note_set.get(id=payload['note_id']) #models.Note.objects.filter(owner=user.id).get(id=payload['note_id'])
note.summary = payload['summary']
note.title = payload['title']
note.save()
except ObjectDoesNotExist:
return json_error_response('Unknown note_id for this user')
data_points = payload['data_points']
queries = payload['queries']
tags = payload['tags']
update_tags(note, tags)
for query_entity in queries:
note.searchquery_set.create(query=query_entity['query']).save()
# Avoids resaving existing datapoints
read_only_points = (models.DataPoint.objects.filter(private=False) | \
models.DataPoint.objects.filter(reviewers__id=user.id)).exclude(owner=user.id)
for data_point in data_points:
try:
data_point_id = data_point['data_point_id']
query_set = read_only_points.filter(id=data_point_id)
if query_set.exists(): # add an existing, read only data point to a note (NO EDITING)
note.data_points.add(query_set.get(id=data_point_id))
else:
pt_to_edit = note.data_points.get(id=data_point_id)
pt_to_edit.datum = data_point['datum'] # Could throw a KeyError
pt_to_edit.save()
update_tags(pt_to_edit, data_point['tags'])
except (ObjectDoesNotExist, KeyError): # Make a new note if it could not be found
new_data_point = note.data_points.create(datum=data_point['datum'], is_factual=False, private=True, owner=user)
update_tags(new_data_point, data_point['tags'])
return json_success_response({})
except KeyError:
return json_error_response('Malformed JSON in note update request')
elif request.method == 'DELETE':
payload = load_json(request)
note_id = None
try:
note_id = payload['note_id']
except KeyError:
return json_error_response("Malformed JSON in note delete request")
try:
note = user.note_set.get(id=note_id)
note.delete()
return json_success_response({})
except ObjectDoesNotExist:
return json_error_response('Unknown user or incorrect note_id')
return HttpResponseBadRequest('Not an ajax call or not a POST request')
