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344 lines
12 KiB
344 lines
12 KiB
import os
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from decimal import Decimal
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import math
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from django.db import models
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from django.db.models import TextChoices
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from django.utils.translation import gettext_lazy as _
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<<<<<<< HEAD
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from filer.fields.image import FilerImageField
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from filer.fields.file import FilerFileField
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=======
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>>>>>>> develop
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from apps.account.models import ProfessorUser
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from utils.schema import default_timing
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from utils import generate_slug_for_model
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def course_file_upload_to(instance, filename):
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return os.path.join(f"courses/{instance.slug}/videos/{filename}")
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<<<<<<< HEAD
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def attachment_file_upload_to(instance, filename):
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=======
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def attachment_file_upload_to(instance, filename):
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return os.path.join(f"attachments/{filename}")
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def course_attachment_file_upload_to(instance, filename):
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>>>>>>> develop
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return os.path.join(f"courses/{instance.course.slug}/attachments/{filename}")
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class CourseCategory(models.Model):
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name = models.CharField(max_length=255, verbose_name='Category Name')
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slug = models.SlugField(unique=True, max_length=255)
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def __str__(self):
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return self.name
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def save(self, *args, **kwargs):
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<<<<<<< HEAD
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self.slug = generate_slug_for_model(CourseCategory, self.name)
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=======
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if not self.slug:
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self.slug = generate_slug_for_model(CourseCategory, self.name)
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>>>>>>> develop
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super().save(*args, **kwargs)
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@property
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def course_count(self):
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return self.courses.exclude(status="inactive").count()
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<<<<<<< HEAD
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=======
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>>>>>>> develop
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class Course(models.Model):
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class LevelChoices(TextChoices):
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BEGINNER = 'beginner', 'Beginner'
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MID = 'mid', 'Mid Level'
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ADVANCED = 'advanced', 'Advanced'
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class StatusChoices(TextChoices):
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INACTIVE = 'inactive', 'Inactive' # Not Active (does not show)
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UPCOMING = 'upcoming', 'Upcoming' # Upcoming (visible but registration not allowed)-Предстоящие
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REGISTERING = 'registering', 'Registering' # Registering (registration is open)-регистрация
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ONGOING = 'ongoing', 'Ongoing' # Ongoing (course has started, registration closed)-В процессе
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FINISHED = 'finished', 'Finished' # Finished (course has ended)-закончился
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class VedioTypeChoices(models.TextChoices):
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<<<<<<< HEAD
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VIDEO_FILE = 'video_file', 'Video File'
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VIDEO_LINK = 'video_link', 'Video Link'
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=======
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YOUTUBE_LINK = 'youtube_link', 'Youtube Link'
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VIDEO_FILE = 'video_file', 'Video File'
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>>>>>>> develop
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title = models.CharField(max_length=255, verbose_name='Course Title')
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slug = models.SlugField(allow_unicode=True, unique=True)
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category = models.ForeignKey(CourseCategory, on_delete=models.CASCADE, related_name='courses', verbose_name='Category')
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professor = models.ForeignKey(
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ProfessorUser,
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on_delete=models.CASCADE,
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related_name="courses"
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)
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<<<<<<< HEAD
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thumbnail = FilerImageField(
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related_name='+', on_delete=models.PROTECT, null=True, blank=True,
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verbose_name=_('thumbnail')
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)
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video_type = models.CharField(max_length=20, choices=VedioTypeChoices.choices, verbose_name='Vedio Type')
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=======
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thumbnail = models.ImageField(upload_to="courses/thumbnails/", verbose_name=_('Thumbnail'))
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video_type = models.CharField(
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max_length=20,
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choices=VedioTypeChoices.choices,
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verbose_name='Preview Video Type (YouTube Link or File Upload)'
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)
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>>>>>>> develop
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video_file = models.FileField(
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upload_to=course_file_upload_to,
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null=True,
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blank=True
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)
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<<<<<<< HEAD
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video_link = models.CharField(max_length=500, null=True, blank=True, verbose_name='Video Link')
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is_online = models.BooleanField(default=True, verbose_name='Is Online Course')
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=======
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video_link = models.CharField(max_length=500, null=True, blank=True)
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is_online = models.BooleanField(default=False, verbose_name='Is Online Course')
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>>>>>>> develop
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online_link = models.CharField(max_length=500, null=True, blank=True, verbose_name='Online Class Link')
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level = models.CharField(max_length=10, choices=LevelChoices.choices, verbose_name='Course Level')
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duration = models.PositiveIntegerField(verbose_name='Duration (in hours)')
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lessons_count = models.PositiveIntegerField(verbose_name='Number of Lessons')
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description = models.TextField(verbose_name='Course Description')
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short_description = models.CharField(max_length=500, blank=True, null=True, verbose_name="Short Description")
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status = models.CharField(max_length=15, choices=StatusChoices.choices, default=StatusChoices.INACTIVE, verbose_name='Course Status')
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is_free = models.BooleanField(default=True, verbose_name='Is Free')
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price = models.DecimalField(max_digits=10, decimal_places=2, default=0.00, verbose_name='Course Price')
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discount_percentage = models.PositiveIntegerField(default=0, verbose_name='Discount Percentage')
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final_price = models.DecimalField(
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verbose_name=_('Course Final Price'), decimal_places=2, max_digits=10, default=0.00, blank=True,
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help_text=_('This field is automatically calculated based on the discount percentage.')
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)
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<<<<<<< HEAD
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timing = models.JSONField(blank=True, null=True, default=default_timing, verbose_name=_("Timing"), help_text=_("The Timing information in JSON format."))
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=======
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timing = models.JSONField(blank=True, null=True, default=default_timing, verbose_name=_("Timing"))
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>>>>>>> develop
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features = models.JSONField(verbose_name=_('Course features'), default=dict, blank=True, null=True)
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_("Created at"))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_("Updated At"))
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def __str__(self):
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return self.title
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def get_completed_lessons_count(self, student):
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return self.lessons.filter(completions__student=student).count()
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def is_student_participant(self, student):
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return self.participants.filter(student=student).exists()
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def save(self, *args, **kwargs):
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<<<<<<< HEAD
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self.slug = generate_slug_for_model(Course, self.title)
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if self.discount_percentage > 0:
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=======
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if not self.slug:
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self.slug = generate_slug_for_model(Course, self.title)
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# Ensure consistency: if price is 0, set is_free to True and discount_percentage to 0
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if self.price == 0:
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self.is_free = True
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self.discount_percentage = 0
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self.final_price = Decimal('0.00')
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elif self.is_free:
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self.price = Decimal('0.00')
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self.discount_percentage = 0
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self.final_price = Decimal('0.00')
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elif self.discount_percentage > 0:
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>>>>>>> develop
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discount_amount = (self.price * self.discount_percentage) / 100
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final_price = self.price - discount_amount
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self.final_price = Decimal(math.ceil(final_price)).quantize(Decimal('0.00'))
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else:
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self.final_price = Decimal(math.ceil(self.price)).quantize(Decimal('0.00'))
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super().save(*args, **kwargs)
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class Meta:
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verbose_name = "Course"
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verbose_name_plural = "Courses"
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<<<<<<< HEAD
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class Glossary(models.Model):
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course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='glossaries', verbose_name='Course')
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title = models.CharField(max_length=555, verbose_name='Glossary Title')
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description = models.TextField(verbose_name='Description')
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def __str__(self):
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return f"{self.course.title} - {self.title}"
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class Meta:
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ordering = ("-id",)
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verbose_name = "Glossary"
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verbose_name_plural = "Glossary"
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class Attachment(models.Model):
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course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='attachments', verbose_name='Course')
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=======
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indexes = [
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models.Index(fields=['status']),
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models.Index(fields=['is_free']),
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models.Index(fields=['created_at']),
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models.Index(fields=['slug']),
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models.Index(fields=['status', 'created_at']),
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models.Index(fields=['category', 'status']),
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models.Index(fields=['professor', 'status']),
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]
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class Glossary(models.Model):
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"""
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Base Glossary model that contains the actual content
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"""
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title = models.CharField(max_length=555, verbose_name='Glossary Title')
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description = models.TextField(verbose_name='Description')
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_("Created at"))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_("Updated At"))
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def __str__(self):
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return self.title
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class Meta:
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verbose_name = "Glossary"
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verbose_name_plural = "Glossaries"
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class CourseGlossary(models.Model):
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"""
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Intermediate model that connects Course with Glossary
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"""
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course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='glossaries', verbose_name='Course')
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glossary = models.ForeignKey(Glossary, on_delete=models.CASCADE, related_name='course_glossaries', verbose_name='Glossary')
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_("Created at"))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_("Updated At"))
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def __str__(self):
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return f"{self.course.title} - {self.glossary.title}"
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@property
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def title(self):
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return self.glossary.title
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@property
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def description(self):
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return self.glossary.description
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class Meta:
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ordering = ("-id",)
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verbose_name = "Course Glossary"
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verbose_name_plural = "Course Glossaries"
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class Attachment(models.Model):
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"""
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Base Attachment model that contains the actual file
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"""
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>>>>>>> develop
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title = models.CharField(max_length=255, verbose_name='Attachment Title')
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file = models.FileField(
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upload_to=attachment_file_upload_to,
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verbose_name='Attachment File'
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)
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<<<<<<< HEAD
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file_size = models.PositiveIntegerField(verbose_name='File Size (in bytes)', null=True, blank=True)
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=======
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file_size = models.PositiveIntegerField(verbose_name='File Size (in bytes)', null=True, blank=True)
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_("Created at"))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_("Updated At"))
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>>>>>>> develop
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def save(self, *args, **kwargs):
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# Calculate the file size before saving
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if self.file and not self.file_size:
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self.file_size = self.file.size
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super().save(*args, **kwargs)
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<<<<<<< HEAD
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def __str__(self):
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return f"{self.course.title} - {self.title}"
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class Meta:
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ordering = ("-id",)
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verbose_name = "Attachment"
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verbose_name_plural = "Attachments"
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=======
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def __str__(self):
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return self.title
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class Meta:
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verbose_name = "Attachment"
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verbose_name_plural = "Attachments"
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class CourseAttachment(models.Model):
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"""
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Intermediate model that connects Course with Attachment
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"""
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course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='attachments', verbose_name='Course')
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attachment = models.ForeignKey(Attachment, on_delete=models.CASCADE, related_name='course_attachments', verbose_name='Attachment')
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_("Created at"))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_("Updated At"))
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def __str__(self):
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return f"{self.course.title} - {self.attachment.title}"
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@property
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def title(self):
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return self.attachment.title
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@property
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def file(self):
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return self.attachment.file
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@property
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def file_size(self):
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return self.attachment.file_size
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class Meta:
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ordering = ("-id",)
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verbose_name = "Course Attachment"
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verbose_name_plural = "Course Attachments"
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indexes = [
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models.Index(fields=['course']),
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models.Index(fields=['attachment']),
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]
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>>>>>>> develop
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