Files
penracourses/generic/models.py
T

2100 lines
66 KiB
Python

from collections import defaultdict
import datetime
import json
import os
from typing import Optional, Self, Tuple
from django.contrib.auth.mixins import LoginRequiredMixin
from django.db import models
from django.db.models import UniqueConstraint
from django.db.models.functions import Lower
from django.forms import ValidationError
from django.http import Http404, HttpRequest
from django.shortcuts import render
from django.utils import timezone
from django.core.validators import MaxValueValidator, MinValueValidator
from smtplib import SMTPException
from django.urls import reverse
from django.views.generic.edit import CreateView
from reversion.views import RevisionMixin
from django.conf import settings
from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
from django.contrib.contenttypes.models import ContentType
from django.core.mail import send_mail
from django.core.mail import EmailMessage
from django.contrib.auth.models import User
from django.db.models.signals import post_save
from django.dispatch import receiver
from generic.mixins import AuthorMixin, QuestionMixin
from helpers.images import get_image_hash, pretty_print_dicom
from helpers.cimar import CimarAPI, STORAGE_API_URL
from rad.settings import REMOTE_URL, CIMAR_USERNAME, CIMAR_PASSWORD
from django.utils.html import format_html
from easy_thumbnails.files import get_thumbnailer
from easy_thumbnails.exceptions import InvalidImageFormatError
import pydicom
import pydicom.errors
import dicognito.anonymizer
from django.contrib.auth.models import User
from django.forms.models import model_to_dict
from django.forms.utils import from_current_timezone, to_current_timezone
from loguru import logger
from pygments import highlight
from pygments.lexers import JsonLexer
from pygments.formatters import HtmlFormatter
from django.contrib import admin
from django.utils.safestring import mark_safe
from django.template.loader import render_to_string
import requests
from django.core.files.base import ContentFile
USER_EXAM_TYPES = (
("Physics", "user_physics_exams"),
("Rapids", "user_rapid_exams"),
("Shorts", "user_shorts_exams"),
("SBAs", "user_sba_exams"),
("Anatomy", "user_anatomy_exams"),
("Longs", "user_longs_exams"),
# ("CaseCollection", "user_casecollection_exams"),
)
def get_pretty_json(data):
"""Function to display pretty version of our data"""
if not data:
return "No data"
# Convert the data to sorted, indented JSON
response = json.dumps(data, sort_keys=True, indent=2)
# Get the Pygments formatter
formatter = HtmlFormatter(style='colorful')
# Highlight the data
response = highlight(response, JsonLexer(), formatter)
# Get the stylesheet
style = "<style>" + formatter.get_style_defs() + "</style><br>"
# Safe the output
return mark_safe(style + response)
def findMiddle(input_list):
"""Returns the middle element of a list"""
middle = float(len(input_list)) / 2
if middle % 2 != 0:
return input_list[int(middle - 0.5)]
else:
return input_list[int(middle)]
class Modality(models.Model):
modality = models.CharField(max_length=200, unique=True)
short_code = models.CharField(max_length=5, unique=True, null=True)
def __str__(self):
return f"{self.modality} ({self.short_code})"
class Plane(models.Model):
plane = models.CharField(max_length=200, unique=True)
def __str__(self):
return self.plane
class Meta:
ordering = ("plane",)
class Contrast(models.Model):
contrast = models.CharField(max_length=200, unique=True)
def __str__(self):
return self.contrast
class Meta:
ordering = ("contrast",)
class Examination(models.Model):
"""
Currently used for
- Atlas series
- Longs series
- Anatomy questions
Not used for rapids - yet??
"""
examination = models.CharField(max_length=200, unique=True)
modality = models.ForeignKey(Modality, on_delete=models.SET_NULL, null=True)
class Meta:
ordering = ("examination",)
def __str__(self):
return self.examination
def merge_into(self, examination_to_merge_into: Self, delete: bool = True) -> bool:
"""Merges the current examination into another
To do so it replaces all associations (many to many and foreign key relations)
Returns True if successful
"""
# Get all atlas series with the examination
atlas_series = self.atlas_series_examination.all()
longs_series = self.series_examination.all()
anatomy_questions = self.anatomyquestion_set.all()
# Reassign them to the new object
for series in atlas_series:
series.examination = examination_to_merge_into
series.save()
for series in longs_series:
series.examination = examination_to_merge_into
series.save()
for question in anatomy_questions:
question.examination = examination_to_merge_into
question.save()
# quick check to make sure nothing has gone wrong and we have hanging
# associations
querysets = (
self.atlas_series_examination.all(),
self.series_examination.all(),
self.anatomyquestion_set.all(),
)
for q in querysets:
if q.count() > 0:
return False
if delete:
self.delete()
return True
class Site(models.Model):
"""Model to hold site details"""
full_name = models.CharField(
max_length=255, blank=True, help_text="Name of the site"
)
short_code = models.CharField(
max_length=255, blank=True, help_text="Shortcode/name of the site"
)
def __str__(self):
return self.short_code
class QuestionBase(models.Model, AuthorMixin, QuestionMixin):
authors_only = models.BooleanField(
help_text="If true only question authors will be able to view.",
default=False,
)
created_date = models.DateTimeField(default=timezone.now)
open_access = models.BooleanField(
help_text="If a question should be freely available to browse", default=True
)
feedback = models.TextField(null=True, blank=True, help_text="Question Feedback")
notes = GenericRelation("generic.QuestionNote")
reviews = GenericRelation("generic.QuestionReview")
class Meta:
abstract = True
def get_unanswered_mark_and_text(self) -> tuple[int, str]:
"""
Override in models if needed
"""
return (0, "Not answered")
def get_primary_answer(self):
"""If this makes sense in the question/answer context override"""
return None
def can_edit(self, user: User) -> bool:
"""Returns True if the user can edit the question"""
if user.is_superuser:
return True
if user in self.get_author_objects():
return True
return False
def get_thumbnail(self, recreate=False, fail_loudly=False):
images = self.images.all()
if len(images) < 1:
return "No images", 0
img = findMiddle(images).image
try:
thumbnailer = get_thumbnailer(img)
if recreate:
thumbnailer.delete_thumbnails()
thumbnail = thumbnailer["exam-list"]
except InvalidImageFormatError as e:
if fail_loudly:
raise e
return format_html(
'<img title="{}" src="/static/not-found-image.jpg" />', img
), len(images)
return format_html('<span style="border: 1px solid;"><img src="/media/{}" /></span>', thumbnail), len(images)
class SeriesImageBase(models.Model):
"""
Series Images may be modified (usually downsampled to save space), in this case the
(larger) original file will be deleted but the model object will be persisted so that
the duplicate check continues to function.
"""
position = models.IntegerField(default=0)
upload_filename = models.CharField(max_length=255, blank=True)
series = models.ForeignKey(
"Series", related_name="images", on_delete=models.SET_NULL, null=True
)
dicom_tags_ohif = models.JSONField(
help_text="Holds the dicom tags required for the OHIF viewer",
blank=True,
null=True,
)
# We store two hashes of the dicom data to uniquely identify the file
# and allow duplicate detection
# The first is a md5 hash of the pixel array data
# this is used because I can't get the direct pixel data to match from cornerstone
# (and struggle to get blake3 working in the browser)
image_md5_hash = models.CharField(max_length=64, null=True, blank=True)
# The second is a blake3 hash of the direct pixel data
# This is much faster when using pydicom
image_blake3_hash = models.CharField(max_length=64, null=True, blank=True)
is_dicom = models.BooleanField(default=False)
removed = models.BooleanField(
default=False,
help_text="Set to true if the file this object refers to has been removed (either from series truncation or merging)",
)
class Meta:
ordering = ["position"]
abstract = True
def get_file_size(self):
try:
return self.image.size
# We catch this for when the image does not exist
except FileNotFoundError:
return 0
def get_dicom_data(self):
try:
with pydicom.dcmread(self.image) as d:
return d
except pydicom.errors.InvalidDicomError:
return {}
def get_series(self):
return self.series
def get_dicom_json(self):
try:
json = pydicom.dcmread(self.image).to_json()
except pydicom.errors.InvalidDicomError:
return {}
return json
def get_dicom_info(self):
try:
info = pretty_print_dicom(pydicom.dcmread(self.image))
except pydicom.errors.InvalidDicomError:
info = "File is not a dicom."
return info
def generate_md5_hash(self):
if not self.removed:
image_hash, is_dicom = get_image_hash(
self.image, hash_type="md5", direct_pixel_data=False
)
self.is_dicom = is_dicom
self.image_md5_hash = image_hash
self.save()
def generate_blake3_hash(self):
if not self.removed:
image_blake3_hash, is_dicom = get_image_hash(
self.image, hash_type="blake3", direct_pixel_data=True
)
self.is_dicom = is_dicom
self.image_blake3_hash = image_blake3_hash
self.save()
def save(self, *args, **kwargs):
"""Override save method to add image hash"""
if self.image:
# if not self.image_md5_hash:
# image_hash, is_dicom = get_image_hash(self.image, hash_type="md5", direct_pixel_data=False)
# self.is_dicom = is_dicom
# self.image_md5_hash = image_hash
if not self.image_blake3_hash:
image_blake3_hash, is_dicom = get_image_hash(
self.image, hash_type="blake3", direct_pixel_data=True
)
self.is_dicom = is_dicom
self.image_blake3_hash = image_blake3_hash
## Hack for tests
# if image_hash != "12345ABCD":
# super().save(*args, **kwargs) # Call the "real" save() method.
super().save(*args, **kwargs) # Call the "real" save() method.
class SeriesBase(models.Model):
info = models.TextField(
blank=True,
help_text="Description of stack, for admin organisation, will not be visible when taking",
)
description = models.CharField(
null=True,
blank=True,
max_length=255,
help_text="Description of the series. This is usually visable to the user (as the name of the stack)",
)
open_access = models.BooleanField(
help_text="If a series should be freely available to browse", default=True
)
created_date = models.DateTimeField(auto_now_add=True)
modified_date = models.DateTimeField(auto_now=True)
class SeriesModifiedChocies(models.TextChoices):
NO = (
"NO",
"Not modified",
)
TR = (
"TR",
"Truncated",
)
RE = (
"RE",
"Resliced/resampled",
)
modified = models.CharField(
max_length=2,
default=SeriesModifiedChocies.NO,
choices=SeriesModifiedChocies.choices,
)
total_image_size = models.BigIntegerField(null=True, blank=True, help_text="Stores a (cached) total size of images within the series")
class Meta:
abstract = True
def __str__(self):
return f"{self.pk}:{self.description}"
def check_user_can_edit(self, user: User):
if user.is_superuser:
return True
if user in self.get_author_objects():
return True
return False
def get_author_objects(self):
"""Returns a list of authors"""
if self.author:
return self.author.all()
else:
return ["None"]
def get_author_display(self):
return ", ".join([i.username for i in self.get_author_objects()])
def get_examination(self):
"""Returns a comma seperated text list of regions"""
return str(self.examination)
def get_examination_full(self):
examination = ""
plane = ""
contrast = ""
if self.examination:
examination = self.examination
if self.plane:
plane = " {}".format(self.plane)
if self.contrast:
contrast = " {}".format(self.contrast)
return "{}{}{}".format(examination, plane, contrast)
def get_images(self, include_removed=False):
if include_removed:
return self.images.all()
else:
return self.images.filter(removed=False)
def get_image_count(self):
return self.images.filter(removed=False).count()
def get_image_urls(self):
images = [
f"{REMOTE_URL}{i.image.url}" for i in self.images.filter(removed=False)
]
return ",".join(images)
def get_image_url_array_not_json(self):
return self.get_image_url_array(json_output=False)
def get_image_url_array_and_count(self, json_output=True):
return self.get_image_url_array(json_output=json_output, count=True)
def get_image_url_array(self, json_output=True, count=False):
images = [
f"{REMOTE_URL}{i.image.url}" for i in self.images.filter(removed=False)
]
if json_output:
if count:
return (json.dumps(images), len(images))
else:
return json.dumps(images)
else:
# This is a mess...
if count:
return (format_html('", "'.join(images)), len(images))
else:
return format_html('", "'.join(images))
def get_thumbnail(self, recreate=False, fail_loudly=False):
# Use prefetched images if available
images = getattr(self, '_prefetched_objects_cache', {}).get('images')
if images is not None:
images = [img for img in images if not img.removed]
else:
images = self.images.filter(removed=False)
if len(images) < 1:
return "No images", 0
img = findMiddle(images).image
try:
thumbnailer = get_thumbnailer(img)
if recreate:
thumbnailer.delete_thumbnails()
thumbnail = thumbnailer["exam-list"]
except InvalidImageFormatError as e:
if fail_loudly:
raise e
return format_html(
'<img title="{}" src="/static/not-found-image.jpg" />', img
), len(images)
return format_html('<img src="/media/{}" />', thumbnail), len(images)
def get_thumbnail_link(self):
return format_html(
"<a href='{}'>{}<a/>", self.get_absolute_url(), self.get_thumbnail()[0]
)
def get_block(self, series_number: None | int = None):
examination = self.get_examination_full()
thumb, image_number = self.get_thumbnail()
series_html = ""
if series_number is not None:
series_html = format_html(
"<span class='series-block-series-number'>Series {}</span>{}<br>",
series_number,
)
description = ""
if self.description:
description = format_html("{}<br/>", self.description)
return format_html(
"""{}{}
<span>
<span class='series-block-examination'>{}</span><br/>
<span class='series-block-thumbnail'>{}</span><br/>
<span class='series-block-image-number'>Images: <span class='series-block-image-number-count'>{}</span></span>
</span>""",
series_html,
description,
examination,
thumb,
image_number,
)
def order_by_upload_filename(self):
images = self.images.filter(removed=False)
filenames = []
map = {}
for i in images:
filenames.append(i.upload_filename)
map[i.upload_filename] = i
filenames = sorted(filenames)
n = 1
for f in filenames:
i = map[f]
i.position = n
i.save()
n = n + 1
def order_by_dicom(self, field="SliceLocation"):
"""
Orders images in the series by the given DICOM field (default: SliceLocation).
Only keeps minimal data in memory and uses bulk_update for efficiency.
"""
images = self.images.filter(removed=False)
sortable = []
for img in images:
try:
ds = pydicom.dcmread(img.image.path, stop_before_pixels=True)
value = getattr(ds, field, None)
if value is not None:
sortable.append((value, img))
except Exception:
continue # Skip unreadable or invalid DICOMs
if not sortable:
return
# Sort by the DICOM field value
sortable.sort(key=lambda x: x[0])
# Assign new positions and collect for bulk update
for idx, (value, img) in enumerate(sortable, start=1):
img.position = idx
# Bulk update all changed images
SeriesImage = self.images.model
SeriesImage.objects.bulk_update([img for _, img in sortable], ['position'])
def get_total_image_size(self, refresh=False):
"""Returns the total size of all images in the series.
If refresh is set to True the size will be recalculated and saved to the database
(in the field 'total_image_size')."""
if not refresh and self.total_image_size:
return self.total_image_size
images = self.images.filter(removed=False)
size = 0
for i in images:
size += i.get_file_size()
self.total_image_size = size
self.save()
return size
def anonymise_images(self):
# NOTE: this will not maintain the correct hashed filename
# but that doesn't matter as we will never get the same anonymisation
# even with the same dicom...
anonymizer = dicognito.anonymizer.Anonymizer()
for series_image in self.images.filter(removed=False):
file_path = os.path.join(settings.MEDIA_ROOT, series_image.image.name)
try:
with pydicom.dcmread(file_path) as dataset:
anonymizer.anonymize(dataset)
dataset.save_as(file_path)
except pydicom.errors.InvalidDicomError:
pass
class ExamOrCollectionGenericBase(models.Model, AuthorMixin):
"""Holds functions that relate to both case and other exams
e.g. user management
"""
# Is this actually used? It is but should be replaced on the inherited class
cid_users = GenericRelation("generic.CidUserExam")
name = models.CharField(max_length=200, help_text="Name of the exam/collection")
start_date = models.DateTimeField(
help_text="Date (and time) the exam/collection starts", null=True, blank=True
)
end_date = models.DateTimeField(
help_text="Date (and time) the exam/collection ends", null=True, blank=True
)
restrict_to_dates = models.BooleanField(
default=False,
help_text="If the exam/collection should only be taken between the start and end date times",
)
active = models.BooleanField(
help_text="If an exam/collection should be available to take", default=False
)
publish_results = models.BooleanField(
help_text="If an exam/collections results should be available", default=False
)
archive = models.BooleanField(
help_text="Archived exams/collections will remain on the test system but will not be displayed by default",
default=False,
)
open_access = models.BooleanField(
help_text="If the exam/collection is freely accessible (to view and edit on the test system)",
default=False,
)
candidates_only = models.BooleanField(
help_text="If the exam/collection is only available to candidates who have been added",
default=True,
)
authors_only = models.BooleanField(
help_text="If true only exam/collection authors will be able to view.",
default=False,
)
results_supervisor_visible = models.BooleanField(
help_text="If true the results will be visible to supervisors without candidate approval.",
default=False,
)
exam_open_access = models.BooleanField(default=False, help_text="Set to true if you want any registered user to be able to take the exam.")
class Meta:
abstract = True
def save(self, *args, **kwargs):
self.full_clean()
return super().save(*args, **kwargs)
def clean(self, *args, **kwargs):
if self.restrict_to_dates:
if self.start_date is None:
raise ValidationError(
"If restrict to dates is set, a start date must be set"
)
if self.end_date is not None and self.end_date <= self.start_date:
raise ValidationError({"end_date": "End date must be after start date"})
return super().clean(*args, **kwargs)
def get_app_name(self):
raise NotImplementedError(
"You must implement get_app_name in the derived class"
)
def get_base_template(self):
return f"{self.get_app_name()}/exams.html"
def get_link_headers(self):
return "generic/exam_link_headers.html"
def check_user_can_edit(self, user: User):
if user.is_superuser:
return True
if user in self.get_author_objects():
return True
return False
def check_logged_in_user(self, request: HttpRequest):
"""Helper to check if the logged in user can access the exam"""
return self.check_cid_user(user=request.user, user_id=request.user.id)
def check_user_can_review(
self, cid, passcode, request: HttpRequest, active_only=False
):
return self.check_user_can_take(cid, passcode, request.user, active_only)
def check_user_can_take(self, cid, passcode, user=None, active_only=True):
"""
Helper to check if a user is allowed to access an exam/collection
Args:
cid (_type_): _description_
passcode (_type_): _description_
request (_type_): _description_
Raises:
Http404: If user does not have access
"""
if user is not None and self.is_author(user):
return
# If we are limiting by dates check that the current date is within the range
if self.restrict_to_dates:
if self.start_date >= timezone.now() or (
self.end_date is not None and self.end_date <= timezone.now()
):
raise Http404("Exam not found")
# If it is not active no one can take
elif active_only and not self.active:
raise Http404("Exam not found")
# If candidates only check they have access
if self.candidates_only:
if not self.check_cid_user(cid, passcode, user):
raise Http404("Error accessing exam")
return
# Otherwise check that they are a valid user.
if user is None:
raise Http404("Error accessing exam")
if not user.is_active:
raise Http404("Error accessing exam")
return
def check_cid_user(
self,
cid: int | None = None,
passcode: str | None = None,
user: User | None = None,
# request: HttpRequest | None = None,
user_id: int | None = None,
allow_authors: bool = True,
):
"""Checks if a user (cid or otherwise) is allowed to access (and take) the exam"""
print(f"Check cid user: {cid=}, {passcode=}, exam_id={self.pk}, {user=}, {user_id=}, {allow_authors=}")
if user is not None and user.is_superuser:
return True
if user_id is not None:
if allow_authors:
if self.author.filter(pk=user_id).exists():
return True
if cid is None and user_id is None:
if user.is_anonymous:
return False
if user is not None:
user_id = user.id
else:
return False
if self.exam_open_access and user_id is not None:
return True
if not self.valid_cid_users.exists() and not self.valid_user_users.exists():
return False
# Start by checking if the logged in user can access
if user_id is not None:
if self.valid_user_users.filter(pk=user_id).exists():
return True
# Then test CID data
if self.valid_cid_users.exists():
cid_user = self.valid_cid_users.filter(cid=cid).first()
if cid_user and cid_user.passcode == passcode:
return True
return False
return False
def get_or_create_cid_user_exam(
self,
cid: int | None = None,
cid_user: "CidUser | None" = None,
user_user: User | None = None,
start_time=None,
):
content_type = ContentType.objects.get_for_model(self)
if cid is not None:
cid_user = CidUser.objects.filter(cid=cid).first()
if cid_user is not None:
c = CidUserExam.objects.filter(
content_type=content_type, object_id=self.pk, cid_user=cid_user
).first()
if c:
return c
elif user_user is not None:
c = CidUserExam.objects.filter(
content_type=content_type, object_id=self.pk, user_user=user_user
).first()
if c:
return c
else:
raise ValueError("Invalid cid / cid_user / user_user")
if start_time is None:
start_time = timezone.now()
if cid_user is not None:
new = CidUserExam(
content_type=content_type,
object_id=self.pk,
cid_user=cid_user,
start_time=start_time,
)
elif user_user is not None:
new = CidUserExam(
content_type=content_type,
object_id=self.pk,
user_user=user_user,
start_time=start_time,
)
else:
raise ValueError("Invalid cid / cid_user / user_user")
new.save()
return new
def get_question_cid_user_answer(self, question_index, cid):
raise NotImplementedError
def get_question_user_user_answer(self, question_index, user):
raise NotImplementedError
def get_cid_and_user_exams(
self, cid_user: Optional["CidUser"] = None, user_user: User | None = None
) -> "CidUserExam":
"""Returns a queryset of CidUserExam for this exam/collection"""
content_type = ContentType.objects.get_for_model(self)
if cid_user is None and user_user is None:
return CidUserExam.objects.filter(
content_type=content_type,
object_id=self.pk,
)
else:
if cid_user is not None:
return CidUserExam.objects.filter(
content_type=content_type, object_id=self.pk, cid_user=cid_user
)
else:
return CidUserExam.objects.filter(
content_type=content_type, object_id=self.pk, user_user=user_user
)
def get_cid_exams(self, cid_user: Optional["CidUser"]= None) -> "CidUserExam":
"""Returns a queryset of CidUserExam for this exam/collection"""
content_type = ContentType.objects.get_for_model(self)
if cid_user is None:
# Only return pure CID entries (cid_user set, user_user null)
return CidUserExam.objects.filter(
content_type=content_type,
object_id=self.pk,
cid_user__isnull=False,
user_user__isnull=True,
)
return CidUserExam.objects.filter(
content_type=content_type, object_id=self.pk, cid_user=cid_user
)
def get_user_exams(self, user_user: Optional[User] = None) -> "CidUserExam":
"""Returns a queryset of CidUserExam for this exam/collection"""
content_type = ContentType.objects.get_for_model(self)
if user_user is None:
return CidUserExam.objects.filter(
content_type=content_type, object_id=self.pk, user_user__isnull=False, cid_user__isnull=True
)
return CidUserExam.objects.filter(
content_type=content_type, object_id=self.pk, user_user=user_user
)
def clone_model(self):
M2M_fields = (
"exam_questions",
"author",
"valid_cid_users",
"valid_user_users",
"cid_user_groups",
"user_user_groups",
)
FK_fields = ("examcollection",)
model_dict = model_to_dict(self)
m2m_to_update = {}
for field in M2M_fields:
m2m_to_update[field] = model_dict[field]
del model_dict[field]
fk_to_update = {}
for field in FK_fields:
fk_to_update[field] = model_dict[field]
del model_dict[field]
cloned_model = self.__class__(**model_dict)
cloned_model.pk = None
for field in fk_to_update:
setattr(cloned_model, f"{field}_id", fk_to_update[field])
cloned_model.save()
for field in m2m_to_update:
rel = getattr(cloned_model, field)
rel.clear()
for item in m2m_to_update[field]:
rel.add(item)
return cloned_model
def add_markers(self, users):
self.markers.add(*users)
def add_marker(self, user):
self.markers.add(user)
def get_candidate_count(self):
return self.valid_cid_users.count() + self.valid_user_users.count()
class ExamBase(ExamOrCollectionGenericBase):
exam_mode = models.BooleanField(
help_text="If an exam should be taken in exam mode (users results will be submited to the server for marking)",
default=False,
)
# randomise_question_order = models.BooleanField(
# help_text="If an exam should randomise the order of questions in RTS.",
# )
include_history = models.BooleanField(
help_text="If an exam should include history when taking",
default=False,
)
recreate_json = models.BooleanField(
help_text="If the json cache needs updating", default=False
)
json_creation_time = models.DateTimeField(blank=True, default=None, null=True)
exam_json_id = models.IntegerField(
default=1, help_text="auto incrementing field when json recreated"
)
stats_mean = models.FloatField(default=0)
stats_mode = models.CharField(default=0, max_length=25)
stats_median = models.FloatField(default=0)
stats_candidates = models.FloatField(default=0)
stats_min = models.FloatField(default=0)
stats_max = models.FloatField(default=0)
stats_max_possible = models.FloatField(default=0)
stats_graph = models.TextField(default=0)
user_scores = models.JSONField(default=dict, blank=True)
exam_results_emailed = models.DateTimeField(default=None, null=True, blank=True)
class Meta:
abstract = True
def __str__(self):
if self.start_date and self.start_date is not None:
print(self.start_date)
print(to_current_timezone(self.start_date))
return f"{self.name} ({to_current_timezone(self.start_date):%d %B %Y})"
else:
return self.name
def save(self, *args, recreate_json=True, **kwargs):
self.recreate_json = recreate_json
super().save(*args, **kwargs)
# def clean(self, *args, **kwargs):
# if self.user_scores is None:
# self.user_scores = {}
# return super().clean(*args, **kwargs)
def get_questions(self):
"""Returns a list of questions in the exam in the correct order
This should be used in preference to exam_questions.all() as it
will order the questions correctly"""
return self.exam_questions.all().order_by("examquestiondetail__sort_order")
def order_questions(self):
"""Modifies the examquestiondetail sort_order to sequentially order the cases"""
for n, c in enumerate(self.examquestiondetail_set.all().order_by("sort_order")):
c.sort_order = n
c.save()
def get_exam_stats(self, name=True):
if self.stats_candidates < int(4):
return f"- Candidates: {int(self.stats_candidates)} (too few to generate stats)"
text = f"""- Candidates: {int(self.stats_candidates)}
- Mean: {self.stats_mean:.2f} Median: {self.stats_median} Mode: {self.stats_mode} [Min: {self.stats_min} / Max: {self.stats_max}]
"""
if name:
text = f"""{self.name}
{"-"*len(self.name)}
{text}
"""
return text
def get_absolute_url(self):
return reverse("{}:exam_overview".format(self.app_name), kwargs={"pk": self.pk})
def get_cid_edit_url(self):
return reverse(
"{}:exam_cids_edit".format(self.app_name), kwargs={"exam_id": self.pk}
)
def get_user_edit_url(self):
return reverse(
"{}:exam_users_edit".format(self.app_name), kwargs={"exam_id": self.pk}
)
def get_take_url(self):
return f"{settings.REMOTE_URL}/rts"
def get_exam_name(self):
return str(self)
def get_json_url(self, cid=None, passcode=None):
if cid is None:
return reverse("{}:exam_json".format(self.app_name), args=(self.pk,))
else:
return reverse(
"{}:exam_json_cid".format(self.app_name), args=(self.pk, cid, passcode)
)
def get_time_limit(self):
"""Returns a human readable time limit"""
if self.time_limit is None:
return "No time limit set"
h, m, s = str(datetime.timedelta(seconds=self.time_limit)).split(":")
time_limit = ""
if s != "0" and s != "00":
time_limit = f" {s} second(s)"
if m != "0":
time_limit = f"{m} minute(s) {time_limit}"
if h != "0":
time_limit = f"{h} hour(s) {time_limit}"
return time_limit.strip()
def get_question_index(self, question):
return list(self.get_questions()).index(question)
def get_question_by_index(self, index: int):
# There must be a better way to do this
return list(self.get_questions())[index]
def get_cid_user_score(self, cid_user):
c = "c/" + str(cid_user)
if c in self.user_scores:
return self.user_scores[c]
else:
return False
def get_user_users_with_scores(self):
user_ids = [i[2:] for i in self.user_scores if i.startswith("u/")]
return User.objects.filter(pk__in=user_ids)
def generate_user_report(self, user):
exam_text = [f"Candidate {user.first_name} [{user.email}]"]
exam_name = self.name
exam_text.append(f"{'='*len(exam_name)}\n{exam_name}\n{'='*len(exam_name)}")
try:
user_score = self.user_scores["u/" + str(user.pk)]["score"]
if self.app_name == "rapids":
callstate = self.user_scores["u/" + str(user.pk)]["callstates"]
except KeyError:
user_score = "Score not generated"
try:
percentage = f" ({user_score / int(self.stats_max_possible) * 100:.2f}%)"
except TypeError:
percentage = ""
exam_text.append(
f"""Results\n{'-'*len('Results')}
# Score: {user_score} / {int(self.stats_max_possible)}{percentage}
"""
)
stats = self.get_exam_stats(name=False)
exam_text.append(f"Stats\n{'-'*len('Stats')}\n{stats}")
rapids_extra = ""
if self.app_name == "rapids":
rapids_extra = f"Answers breakdown: {callstate}"
exam_text.append(rapids_extra)
msg = "\n\n".join(exam_text)
html_msg = f"""
<p>Candidate: {user.first_name} [{user.email}]</p>
<h2>{exam_name}</h2>
<h3>Results</h3>
Score: {user_score} / {int(self.stats_max_possible)} {percentage}
<h3>Stats</h3>
{stats}<br/>
<a href="{settings.REMOTE_URL}{reverse("{}:exam_stats".format(self.app_name), args=(self.pk,))}">View all stats (including graph) here</a>
"""
if self.app_name == "rapids":
html_msg = f"{html_msg}<br/>{rapids_extra}"
return msg, html_msg
def email_user_results(self, user, resend=False, additional_emails=None):
# if self.results_email_sent and not resend:
# return False, "Already sent."
# Get a list of taken exams
msg, html_msg = self.generate_user_report(user)
if not user.email:
return [False, "User has no email"]
emails = [user.email]
extra = ""
if user.userprofile.supervisor is not None:
supervisor_email = user.userprofile.supervisor.email
emails.append(supervisor_email)
else:
extra = "No supervisor"
if additional_emails is not None:
emails.extend(additional_emails)
try:
send_mail(
f"{self.name} results",
msg,
"no-reply@penracourses.org.uk",
emails,
fail_silently=False,
html_message=html_msg,
)
except SMTPException as e:
return [False, e]
# self.results_email_sent = True
# self.save()
return [True, extra]
class ExamUserStatus(models.Model):
datetime = models.DateTimeField(auto_now_add=True)
# cid_user: "CidUser" = models.ForeignKey(
# "CidUser", blank=True, null=True, on_delete=models.SET_NULL
# )
# user_user = models.ForeignKey(
# settings.AUTH_USER_MODEL, blank=True, null=True, on_delete=models.SET_NULL
# )
status = models.CharField(max_length=255)
extra = models.CharField(max_length=255)
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
exam = GenericForeignKey("content_type", "object_id")
cid_user_exam = models.ForeignKey(
"CidUserExam", blank=True, null=True, on_delete=models.SET_NULL
)
def __str__(self):
self.cid_user_exam: "CidUserExam"
if self.cid_user_exam.cid_user:
user = self.cid_user_exam.cid_user.cid
email = self.cid_user_exam.cid_user.email
return f"{self.datetime:%Y-%m-%d %H:%M:%S}: [CID] {user} ({email}) - {self.status} ({self.extra})"
else:
user = self.cid_user_exam.user_user.username
return f"{self.datetime:%Y-%m-%d %H:%M:%S}: [USER] {user} - {self.status} ({self.extra})"
class UserAnswerBase(models.Model):
cid = models.BigIntegerField(
blank=True,
null=True,
help_text="Candidate ID (limitied by BigIntegerField size)",
)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
class Meta:
abstract = True
ordering = ["cid"]
def __str__(self) -> str:
return "{}/{}/{}".format(self.get_candidate_name(), self.exam, self.question.pk)
def get_candidate_name(self) -> str:
if self.cid is not None:
return str(self.cid)
else:
return self.user.username
def get_candidate_masked(self) -> str:
if self.cid is not None:
return str(self.cid)
else:
return str(self.user.id)
def get_absolute_url(self):
return reverse(f"{self.app_name}:user_answer_view", kwargs={"pk": self.pk})
def get_answer(self):
"""might need overriding"""
return self.answer
class NoteType(models.Model):
note_type = models.CharField(max_length=200)
def __str__(self):
return self.note_type
class QuestionReview(models.Model):
class StatusChoices(models.TextChoices):
ACCEPTED = "AC", "Accepted"
OUTDATED = "OD", "Outdated"
ERROR = "ER", "Error"
REJECTED = "RJ", "Rejected"
IN_PROGRESS = "IP", "In Progress"
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
question = GenericForeignKey("content_type", "object_id")
author = models.ForeignKey(
settings.AUTH_USER_MODEL, on_delete=models.CASCADE, blank=True, null=True
)
comment = models.TextField(blank=True)
status = models.CharField(max_length=2, choices=StatusChoices.choices, default=StatusChoices.ACCEPTED)
created_on = models.DateTimeField(auto_now_add=True)
def __str__(self):
return "{}: {} [{}] {}".format(
self.content_type,
self.get_author_str(),
self.created_on,
self.comment,
)
def get_author_str(self):
if self.author is not None:
return self.author.username
else:
return "Unknown"
class QuestionNote(models.Model):
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
question = GenericForeignKey("content_type", "object_id")
author = models.CharField(max_length=200, blank=True)
user_author = models.ForeignKey(
settings.AUTH_USER_MODEL, on_delete=models.CASCADE, blank=True, null=True
)
note = models.TextField(blank=True)
created_on = models.DateTimeField(auto_now_add=True)
complete = models.BooleanField(default=False)
note_type = models.ForeignKey(
NoteType, on_delete=models.CASCADE, null=True, blank=True
)
# def get_absolute_url(self):
# self.pk = self.rapid_id
# return reverse('rapids:question_detail', kwargs={'pk': self.pk})
def __str__(self):
return "{}: {} [{}] {} / {}".format(
self.content_type,
self.get_author_str(),
self.created_on,
self.note_type,
self.note,
)
def get_absolute_url(self):
# TODO: return to question if logged in
return "/"
def get_object_url(self):
return self.question.get_absolute_url()
def get_author_str(self):
if self.user_author is not None:
return self.user_author.username
else:
return self.author
def get_short_str(self):
return f"{self.note_type} - {self.note}"
EXAM_TYPES = (
("physics", "physics_exams"),
("rapids", "rapid_exams"),
("sbas", "sba_exams"),
("anatomy", "anatomy_exams"),
("longs", "longs_exams"),
("casecollection", "casecollection_exams"),
)
class CidUser(models.Model):
cid = models.IntegerField(blank=True, null=True, unique=True)
passcode = models.CharField(blank=True, max_length=50)
active = models.BooleanField(default=True)
internal_candidate = models.BooleanField(default=False)
name = models.CharField(blank=True, max_length=255)
email = models.EmailField(blank=True)
supervisor = models.ForeignKey(
"Supervisor",
on_delete=models.SET_NULL,
blank=True,
null=True,
related_name="cid_user",
)
login_email_sent = models.BooleanField(default=False)
results_email_sent = models.BooleanField(default=False)
group = models.ForeignKey(
"CidUserGroup", on_delete=models.SET_NULL, null=True, blank=True
)
class Meta:
indexes = [models.Index(fields=["cid"])]
def __str__(self) -> str:
return str(self.cid)
def get_absolute_url(self):
return reverse("generic:manage_cids")
def check_passcode(self, passcode) -> bool:
return self.passcode == passcode
def get_cid_exams(self, include_case_collections=True):
available_exams = []
for n, t in EXAM_TYPES:
if not include_case_collections and n == "casecollection":
continue
exam_rel = getattr(self, t)
if exam_rel.exists():
exams = exam_rel.filter(exam_mode=True, archive=False).order_by("name")
available_exams.append((n, exams))
return available_exams
def generate_exam_report(self):
exam_list = self.get_cid_exams()
name = ""
if self.name:
name = f"{self.name} "
exam_text = [f"Candidate {self.cid} {name}[{self.email}]"]
for exam_type, exams in exam_list:
exam_text.append(f"{'='*len(exam_type)}\n{exam_type}\n{'='*len(exam_type)}")
for exam in exams:
try:
user_score = exam.user_scores["c/" + str(self.cid)]
except KeyError:
user_score = "Score not generated"
t = exam.get_exam_stats()
try:
percentage = (
f" ({user_score / int(exam.stats_max_possible) * 100:.2f}%)"
)
except TypeError:
percentage = ""
exam_text.append(
f"""{t}
# Score: {user_score} / {int(exam.stats_max_possible)}{percentage}
"""
)
msg = "\n\n".join(exam_text)
return msg
html_msg = f""""""
def email_results(self, resend=False, additional_emails=[]):
"""Emails a CID candidate results (internal candidates)
***DEPRECATED***
"""
if not self.internal_candidate:
return False, "Not internal candidate."
if self.results_email_sent and not resend:
return False, "Already sent."
# Get a list of taken exams
msg = self.generate_exam_report()
emails = [self.email, self.supervisor.email]
if additional_emails:
emails.extend(additional_emails)
try:
send_mail(
f"{self.group} results",
msg,
"test@xkjq.uk",
emails,
fail_silently=False,
# html_message=html_msg,
)
except SMTPException as e:
return False, e
self.results_email_sent = True
self.save()
return True, ""
def email_details(self, resend: bool = False) -> Tuple[bool, str]:
"""Email candidate details to the CID user
Args:
resend (bool, optional): Force sending details (even if sent previously). Defaults to False.
Returns:
Tuple[bool, str]: Tuple containing the email status and any error message
"""
if self.login_email_sent and not resend:
return False, "Already sent."
login_url = reverse("cid_selector")
msg = f"""
See below for your details for: {self.group}
---------
CID: {self.cid}
Passcode: {self.passcode}
---------
You will need these to access to the test system.
Direct link to login:
{settings.REMOTE_URL}{login_url}?cid={self.cid}&passcode={self.passcode}
The above details are unique to you. Please do not share as otherwise others will be able to access and submit your results.
Please note this inbox is not monitored. Direct all enquiries to plh-tr.radiology-academy@nhs.net
"""
try:
# send_mail(
# "Candidate Details",
# msg,
# "test@xkjq.uk",
# [self.email],
# fail_silently=False,
# )
email = EmailMessage(
"Candidate Details",
msg,
"no-reply@penracourses.org.uk",
[self.email],
# ["ross.kruger@nhs.net"],
)
email.send(fail_silently=False)
except SMTPException as e:
return False, e
self.login_email_sent = True
self.save()
return True, ""
def get_email_details_url(self):
return reverse("generic:candidate_email_details", kwargs={"cid": self.cid})
def get_email_results_url(self):
return reverse("generic:candidate_email_results", kwargs={"cid": self.cid})
def get_email_results_resend_url(self):
return reverse(
"generic:candidate_email_results_resend", kwargs={"cid": self.cid}
)
def get_next_cid():
"""Returns the next available CID"""
return CidUser.objects.order_by("-cid").first().cid + 1
class CidUserExam(models.Model):
"""This holds the current status of the exam for a candidate
Contrast with ExamUserStatus which holds the status changes for a candidate
(and should be merged into here)
"""
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
exam = GenericForeignKey("content_type", "object_id")
start_time = models.DateTimeField(blank=True, null=True)
end_time = models.DateTimeField(blank=True, null=True)
completed = models.BooleanField(
default=False,
help_text="If a exam has been completed. This will usually lock the exam to further reponses.",
)
cid_user = models.ForeignKey(
CidUser,
on_delete=models.CASCADE,
blank=True,
null=True,
related_name="cid_userexam",
)
user_user = models.ForeignKey(
settings.AUTH_USER_MODEL,
on_delete=models.CASCADE,
blank=True,
null=True,
related_name="user_userexam",
)
manual_submission = models.BooleanField(default=False)
# TODO switch to json field?
results_emailed_status = models.CharField(max_length=255, blank=True)
share_with_supervisor = models.BooleanField(default=False, help_text="If true the exam status and results will be available to a users supervisor")
def __str__(self) -> str:
if self.cid_user is None:
try:
user = self.user_user.username
except AttributeError:
user = "None"
else:
user = self.cid_user.cid
if self.start_time is None:
start_time = ""
else:
start_time = f"{ self.start_time:%Y-%m-%d %H:%M }"
if self.end_time is None:
end_time = ""
else:
end_time = f"{ self.end_time:%Y-%m-%d %H:%M }"
return f"{self.exam} / {user}: {start_time} {end_time}"
def get_user_name(self) -> str:
if self.cid_user is None:
return self.user_user.username
else:
return "CID" + str(self.cid_user.cid)
def complete_exam(self):
# TODO add examuserstatus?
self.end_time = timezone.now()
self.completed = True
self.save()
CID_GROUP_EXAMS = (
("SBAs", "sba_cid_user_groups"),
("Physics", "physics_cid_user_groups"),
("Anatomy", "anatomy_cid_user_groups"),
("Rapids", "rapid_cid_user_groups"),
("Shorts", "shorts_cid_user_groups"),
("Longs", "longs_cid_user_groups"),
)
class BaseUserGroup(models.Model):
name = models.CharField(blank=True, max_length=50, help_text="Name of the Group")
archive = models.BooleanField(
default=False,
help_text="Archived groups remain on the test system but are not displayed by default",
)
open_access = models.BooleanField(
default=False, help_text="If the group is freely accessible to use"
)
class Meta:
abstract = True
class CidUserGroup(BaseUserGroup):
def __str__(self) -> str:
return str(self.name)
def GetGroupUsers(self):
cid_users = self.ciduser_set.all()
s = ", ".join([f"{user.id} - {user.name}" for user in cid_users])
return s
def GetGroupExams(self):
exams = defaultdict(list)
for t, rel in CID_GROUP_EXAMS:
exam_rel = getattr(self, rel)
if exam_rel.exists():
exams[t].extend(exam_rel.all())
return dict(exams)
def get_absolute_url(self):
return reverse("generic:cid_group_update", kwargs={"pk": self.pk})
USER_GROUP_EXAMS = (
("SBAs", "sba_user_user_groups"),
("Physics", "physics_user_user_groups"),
("Anatomy", "anatomy_user_user_groups"),
("Rapids", "rapid_user_user_groups"),
("Shorts", "shorts_user_user_groups"),
("Longs", "longs_user_user_groups"),
)
class UserUserGroup(BaseUserGroup):
users = models.ManyToManyField(
settings.AUTH_USER_MODEL,
blank=True,
related_name="user_groups",
)
def __str__(self) -> str:
return str(self.name)
def GetGroupUsers(self):
users = self.users.all()
s = ", ".join([f"{user.id} - {user.username} ({user.email})" for user in users])
return s
def GetGroupExams(self):
exams = defaultdict(list)
for t, rel in USER_GROUP_EXAMS:
exam_rel = getattr(self, rel)
if exam_rel.exists():
exams[t].extend(exam_rel.all())
return dict(exams)
def get_absolute_url(self):
return reverse("generic:user_group_update", kwargs={"pk": self.pk})
class UserGrades(models.Model):
name = models.CharField(max_length=100)
def __str__(self):
return self.name
class UserProfile(models.Model):
user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
supervisor = models.ForeignKey(
"Supervisor",
on_delete=models.SET_NULL,
blank=True,
null=True,
related_name="trainee",
)
registration_number = models.CharField(max_length=25, blank=True)
grade = models.ForeignKey(
UserGrades,
null=True,
blank=True,
help_text="User grade",
on_delete=models.CASCADE,
)
peninsula_trainee = models.BooleanField(default=False)
site = models.ForeignKey(
"Site",
on_delete=models.SET_NULL,
blank=True,
null=True,
help_text="Primary site / rotation location",
)
def getusername(self):
return self.user.username
def __str__(self):
return f"Userprofile {self.user}"
username = property(getusername)
cimar_sid = models.CharField(max_length=100, blank=True)
def get_exams(self):
available_exams = defaultdict(list)
for n, t in USER_EXAM_TYPES:
exam_rel = getattr(self.user, t)
if exam_rel.exists():
exams = exam_rel.filter(exam_mode=True, archive=False).order_by("name")
available_exams[n].extend(exams)
return dict(available_exams)
class Supervisor(models.Model):
"""Model to hold individual supervisor details (email and name)
This can be linked with a user account.
"""
email = models.EmailField(
unique=True, help_text="The (nhs.net) email address of the supervisor"
)
name = models.CharField(max_length=255, help_text="Name of the supervisor")
user = models.OneToOneField(
settings.AUTH_USER_MODEL,
on_delete=models.CASCADE,
null=True,
blank=True,
help_text="If the supervisor has an account on the test system it can be associated here",
)
site = models.ForeignKey(
"Site",
on_delete=models.SET_NULL,
null=True,
blank=True,
help_text="Hospital site at which the supervisor is based",
)
active = models.BooleanField(default=True)
def __str__(self) -> str:
return f"{self.name} ({self.email})"
def get_absolute_url(self):
return reverse("generic:supervisor_detail", kwargs={"pk": self.pk})
def clean(self):
if self.email:
# normalize email: strip and lowercase for consistency
self.email = self.email.strip().lower()
if self.name:
self.name = self.name.strip()
class Meta:
constraints = [
UniqueConstraint(Lower('email'), name='unique_supervisor_email_ci')
]
@receiver(post_save, sender=User)
def create_user_profile(sender, instance, created, **kwargs):
if created:
UserProfile.objects.create(user=instance)
@receiver(post_save, sender=User)
def save_user_profile(sender, instance, **kwargs):
instance.userprofile.save()
class ExamCollection(models.Model, AuthorMixin):
name = models.CharField(max_length=255)
date = models.DateField(blank=True, null=True)
archive = models.BooleanField(default=False)
author = models.ManyToManyField(
settings.AUTH_USER_MODEL,
blank=True,
help_text="Author/Manager(s) of the exam collection",
)
def __str__(self):
if self.date is not None and self.date != "":
return f"{self.name} [{self.date}]"
else:
return f"{self.name}"
def get_absolute_url(self):
return reverse("generic:examcollection_detail", kwargs={"pk": self.pk})
def get_exams(self):
return {
"anatomy": self.anatomy_exams.filter(archive=False),
"longs": self.longs_exams.filter(archive=False),
"physics": self.physics_exams.filter(archive=False),
"rapids": self.rapids_exams.filter(archive=False),
"sbas": self.sbas_exams.filter(archive=False),
}
def add_author_to_exams(self, users, exam_types: None | list[str] =None):
for exam_type, exams in self.get_exams().items():
if exam_types is None:
pass
elif exam_type not in exam_types:
continue
else:
raise ValueError(f"Invalid exam type {exam_type}")
for exam in exams:
exam.add_authors(users)
#return True
def add_marker_to_exams(self, users, exam_types: None | list[str] =None):
for exam_type, exams in self.get_exams().items():
if exam_types is None:
pass
elif exam_type not in exam_types:
continue
else:
pass
for exam in exams:
exam.add_markers(users)
#return True
#class Presentation(models.Model, AuthorMixin):
#
# name = models.CharField(max_length=255, help_text="Name of the presentation")
#
# date_created = models.DateField(help_text="Date the presentation was created", auto_now_add=True)
#
# date_updated = models.DateField(help_text="Date the presentation was last updated", auto_now=True)
#
# markdown = models.TextField(help_text="Markdown text for the presentation")
#
# output_html = models.TextField(help_text="HTML output of the presentation")
#
# author = models.ManyToManyField(
# settings.AUTH_USER_MODEL,
# blank=True,
# help_text="Author/Manager(s) of the exam collection",
# )
class CimarCase(models.Model):
uuid = models.CharField(max_length=255, unique=True)
viewer_link = models.URLField(blank=True)
study_details = models.JSONField(blank=True, default=dict)
study_schema = models.JSONField(blank=True, default=dict)
series_data = models.JSONField(blank=True, default=dict)
valid_uuid = models.BooleanField(default=False)
def load_series_data(self, api=None):
if api is None:
api = CimarAPI()
api.login(username=CIMAR_USERNAME, password=CIMAR_PASSWORD)
def refresh_study(self):
api = CimarAPI()
api.login(username=CIMAR_USERNAME, password=CIMAR_PASSWORD)
self.study_details = api.get_study_by_uuid(self.uuid)
self.study_schema = api.get_study_schema_by_uuid(self.uuid)
self.viewer_link = api.get_study_viewer_url_by_uuid(self.uuid)
series_data = []
for series in self.study_schema["series"]:
# Cache the thumbnail
#thumbnail_url = f"{self.get_series_image_thumbnail_link(series)}?{api.sid}"
#response = requests.get(thumbnail_url)
#thumbnail = CimarSeriesThumbnail(series_id=series["id"])
#thumbnail.image.save(f"{series['id']}.jpg", ContentFile(response.content))
#thumbnail.save()
series_data.append({
"series_id" : series["id"],
"series_description" : series["description"],
"image_count": len(series["images"]),
"thumbnail": self.get_series_image_thumbnail_link(series)
}
)
self.series_data = {}
self.series_data["series"] = series_data
self.valid_uuid = True
self.save()
def __str__(self):
return f"{self.uuid} ({self.valid_uuid})"
def get_user_viewer_link(self, user):
return self.viewer_link + f"?sid={user.userprofile.cimar_sid}"
def get_pretty_study_details(self):
"""Function to display pretty version of our data"""
return get_pretty_json(self.study_details)
def get_pretty_study_schema(self):
"""Function to display pretty version of our data"""
return get_pretty_json(self.study_schema)
def get_pretty_study_series(self):
"""Function to display pretty version of our data"""
return get_pretty_json(self.series_data)
#def get_series_details_block(self, cimar_sid=None):
# if "series" in self.series_data:
# return render_to_string("cimar_series.html", {"series_data": self.series_data["series"], cimar_sid: cimar_sid})
#
# return "No series data available"
# return render_to_string("cimar_series.html", {"series_data": self.series_data["series"]})
def get_series_image_thumbnail_link(self,series):
middle_point = len(series["images"]) // 2
image = series["images"][middle_point]
return STORAGE_API_URL + f"/study/{self.study_details["storage_namespace"]}/{self.study_details["study_uid"]}/image/{image["id"]}/version/{image["version"]}/frame/0/thumbnail"
class CimarSeriesThumbnail(models.Model):
series_id = models.CharField(max_length=255)
image = models.ImageField(upload_to="cimar_series_thumbnails")
def __str__(self):
return f"{self.series_id}"
class FindingBase(models.Model):
description = models.TextField(
null=True, blank=True, help_text="Findings on the question"
)
annotation_json = models.TextField(null=True, blank=True)
viewport_json = models.TextField(null=True, blank=True)
# This has been migrated to install the image id (not index)
current_image_id_index = models.TextField(null=True, blank=True)
annotation_json_3d = models.JSONField(default=dict)
viewer_state_3d = models.JSONField(default=dict)
# TODO add tags
# tags = models.ManyToManyField(Tag, blank=True)
class Meta:
abstract = True
def __str__(self):
return self.description
def annotation_as_string(self) -> str:
return json.dumps(self.annotation_json)
def get_pretty_annotation_json(self):
return get_pretty_json(json.loads(self.annotation_json))
def get_pretty_viewport_json(self):
return get_pretty_json(json.loads(self.viewport_json))