Ross
341 lines
11 KiB
Python
341 lines
11 KiB
Python
from django.db.models.fields.files import ImageField
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from django.db.models.fields.related import ForeignKey
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from anatomy.models import Modality
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from django.db import models
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from django.utils import timezone
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import tagulous
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import tagulous.models
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from django.core.files.storage import FileSystemStorage
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from django.conf import settings
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from django.utils.html import format_html
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from django.urls import reverse
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from django.utils.translation import ugettext_lazy as _
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from django.utils.html import mark_safe
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from sortedm2m.fields import SortedManyToManyField
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import string
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image_storage = FileSystemStorage(
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# Physical file location ROOT
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location=u"{0}/longs/".format(settings.MEDIA_ROOT),
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# Url for file
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base_url=u"{0}longs/".format(settings.MEDIA_URL),
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)
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def image_directory_path(instance, filename):
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return u"picture/{0}".format(filename)
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class Examination(models.Model):
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examination = models.CharField(max_length=200)
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def __str__(self):
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return self.examination
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class Meta:
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ordering = ('examination', )
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class Site(models.Model):
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site = models.CharField(max_length=200)
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initials = models.CharField(max_length=200)
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def __str__(self):
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return self.site
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class Condition(tagulous.models.TagModel):
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pass
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class Sign(tagulous.models.TagModel):
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pass
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class Long(models.Model):
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#author = models.ForeignKey('auth.User', on_delete=models.CASCADE)
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#image = models.ImageField()
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question = models.TextField(null=True, blank=True)
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feedback = models.TextField(null=True, blank=True)
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#condition = tagulous.models.TagField(
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# to=Condition,
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# blank=True,
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# help_text=
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# "Associated condition. Will allow searching / filtering and tips / hints to be displayed. Conditions with spaces must be enclosed in quotes \"...\""
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#)
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sign = models.CharField(max_length=255, blank=True)
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#sign = tagulous.models.TagField(
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# to=Sign, blank=True, help_text='Radiological signs in the question')
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# Model answers
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model_observations = models.TextField(null=True, blank=True)
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model_interpretation = models.TextField(null=True, blank=True)
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model_principle_diagnosis = models.TextField(null=True, blank=True)
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model_differential_diagnosis = models.TextField(null=True, blank=True)
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model_further_management = models.TextField(null=True, blank=True)
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DEFAULT_SITE_ID = 1
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site = models.ManyToManyField(
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Site,
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blank=True,
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default=DEFAULT_SITE_ID,
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help_text=
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"If we know the source of the image")
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verified = models.BooleanField(default=False)
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created_date = models.DateTimeField(default=timezone.now)
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published_date = models.DateTimeField(blank=True, null=True)
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author = models.ManyToManyField(settings.AUTH_USER_MODEL,
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blank=True,
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help_text='Author of question',
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related_name="long_authored_questions")
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scrapped = models.BooleanField(
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default=False,
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help_text='Question has been scrapped and will not be shown')
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open_access = models.BooleanField(
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help_text="If an question should be freely available to browse", default=True
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)
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def get_absolute_url(self):
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return reverse('longs:long_detail', kwargs={'pk': self.pk})
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def get_authors(self):
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"""Returns a comma seperated text list of authors"""
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authors = ", ".join([i.username for i in self.author.all()])
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return authors
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def get_examinations(self):
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"""Returns a comma seperated text list of regions"""
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examinations = ", ".join([i.examination for i in self.examination.all()])
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return examinations
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def __str__(self):
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exams = self.get_examinations()
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lat = ""
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if self.laterality != "NONE":
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lat = self.laterality
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return "{} / {} {}".format(exams, lat, n)
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def GetExams(self):
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e = self.exams.all().values_list("name", flat=True)
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exams = ", ".join(e)
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return exams
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def GetImages(self, feedback=False):
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qs = self.images.all()
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if not feedback:
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images = [i.image for i in qs if not i.feedback_image]
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else:
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images = [i.image for i in qs]
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return images
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def GetImageUrls(self):
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return ",".join(["http://penracourses.org.uk{}".format(i.url) for i in self.GetImages()])
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#def GetNonFeedbackQuestionImages(self):
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#return self.GetImages()
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class LongSeriesImage(models.Model):
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image = models.ImageField(upload_to=image_directory_path, storage=image_storage)
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position = models.IntegerField(default=0)
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series = models.ForeignKey("LongSeries", related_name="series", on_delete=models.SET_NULL, null=True)
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class LongSeries(models.Model):
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modality = models.ForeignKey(Modality, related_name="series_modality", on_delete=models.SET_NULL, null=True)
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examination = models.ForeignKey(
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Examination, help_text="Name of the examination", on_delete=models.SET_NULL, null=True)
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long = models.ForeignKey("Long", related_name="long", on_delete=models.SET_NULL, null=True)
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#class LongImage(models.Model):
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# long = models.ForeignKey(Long,
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# related_name="images",
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# on_delete=models.CASCADE)
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# image = models.ImageField(upload_to=image_directory_path, storage=image_storage)
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#
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# feedback_image = models.BooleanField(default=False)
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#
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# def image_tag(self):
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# if self.image:
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# return mark_safe(
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# '<img src="{}" class="admin-long-image" /><span class="admin-long-image-info">Click and hold to zoom<span>'
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# .format(self.image.url))
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# else:
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# return ""
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#
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# image_tag.short_description = 'Image'
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class Note(models.Model):
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long = models.ForeignKey(Long,
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related_name="long_notes",
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on_delete=models.CASCADE,
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null=True)
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#author = models.ForeignKey(User,
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author = models.ForeignKey( settings.AUTH_USER_MODEL,
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related_name="long_notes",
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on_delete=models.CASCADE)
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note = models.TextField()
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created_on = models.DateTimeField(auto_now_add=True)
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def get_absolute_url(self):
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self.pk = self.long_id
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return reverse('longs:long_detail', kwargs={'pk': self.pk})
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def __str__(self):
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return "{} [{}] {}".format(self.long, self.author, self.created_on)
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class LongCreationDefault(models.Model):
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#author = models.OneToOneField(User,
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author = models.OneToOneField(
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settings.AUTH_USER_MODEL,
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related_name="long_default",
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on_delete=models.CASCADE)
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site = models.ManyToManyField(
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Site,
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blank=True,
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default=1,
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help_text="Default site to use when creating a new long")
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def get_absolute_url(self):
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return reverse('longs:long_create')
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class Exam(models.Model):
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name = models.CharField(max_length=200)
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exam_questions = SortedManyToManyField(
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Long, related_name="exams", blank="true"
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)
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active = models.BooleanField(
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help_text="If an exam should be available", default=True
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)
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publish_results = models.BooleanField(
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help_text="If an exams results should be available", default=True
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)
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recreate_json = models.BooleanField(
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help_text="If the json cache needs updating", default=False
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)
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time_limit = models.IntegerField(
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help_text="Exam time limit (in seconds). Default is 2100 secondse (35 minutes)", default=2100
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)
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def __str__(self):
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return self.name
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def get_absolute_url(self):
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return reverse("longs:exam_overview", kwargs={"pk": self.pk})
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def get_exam_name(self):
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return self.name
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def get_json_url(self):
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return reverse("longs:exam_json", args=(self.pk,))
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def get_question_index(self, question):
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return list(self.exam_questions.all()).index(question)
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class CidUserAnswer(models.Model):
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"""User answers by candidate"""
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question = models.ForeignKey(
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Long, related_name="cid_user_answers", on_delete=models.CASCADE
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)
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# Answers
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answer_observations = models.TextField(null=True, blank=True)
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answer_interpretation = models.TextField(null=True, blank=True)
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answer_principle_diagnosis = models.TextField(null=True, blank=True)
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answer_differential_diagnosis = models.TextField(null=True, blank=True)
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answer_further_management = models.TextField(null=True, blank=True)
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cid = models.BigIntegerField(blank=True, null=True, help_text="Candidate ID (limitied by BigIntegerField size)")
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# Each user answer is associated with a particular exam
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exam = models.ForeignKey(
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Exam, related_name="cid_user_answers", on_delete=models.CASCADE, null=True
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)
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created = models.DateTimeField(auto_now_add=True)
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updated = models.DateTimeField(auto_now=True)
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def __str__(self):
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try:
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exam = self.exam
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except (Exam.DoesNotExist, KeyError) as e:
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exam = "None"
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return "{}/{}/{}: {}".format(
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exam, self.cid, self.question.GetPrimaryAnswer(), self.answer
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)
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def save(self, *args, **kwargs):
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self.clean()
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return super(CidUserAnswer, self).save(*args, **kwargs)
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def clean(self):
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if self.answer:
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self.answer = self.answer.strip()
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s = self.answer.lower()
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s = s.translate(str.maketrans('', '', string.punctuation))
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self.answer_compare = s
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# def get_compare_string(self):
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# # strip here should be unneccasry (providing clean is now working)
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# s = self.answer.lower().strip()
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# s = s.translate(str.maketrans('', '', string.punctuation))
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# return s
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def get_answer_score(self):
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q = self.question
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# First step we check that the normal/abnormal states match
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if q.normal != self.normal:
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# If they don't match the answer is wrong (score is 0)
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return 0
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# If both are normal full marks
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elif q.normal and self.normal:
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return 2
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# Then compare answer strings (as per anatomy questions)
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ans = self.answer_compare
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if (
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q.answers.filter(
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answer_compare__iexact=ans, status=Answer.MarkOptions.CORRECT
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).first()
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is not None
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):
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mark = 2
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elif (
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q.answers.filter(
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answer_compare__iexact=ans, status=Answer.MarkOptions.HALF_MARK
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).first()
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is not None
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):
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mark = 1
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elif q.answers.filter(
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answer_compare__iexact=ans, status=Answer.MarkOptions.INCORRECT
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).first():
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mark = 0
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else:
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mark = "unmarked"
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return mark |