609 lines
20 KiB
Python
609 lines
20 KiB
Python
from django.db import models
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from django.contrib.auth.hashers import make_password
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from django.contrib.auth.models import AbstractUser
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from django.utils.safestring import mark_safe
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from django.utils import timezone
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from datetime import date
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from django.core.cache import cache
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# Create your models here.
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duration_types_choices = (("Year", "Yearl Based"), ("Semester", "Semester Based"))
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student_status_choices = (
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("Active", "Active"),
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("Leave", "Leave"),
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("Completed", "Completed"),
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)
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gender_choices = (("Male", "Male"), ("Female", "Female"), ("Other", "Other"))
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marital_status_choices = (
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("Married", "Married"),
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("Unmarried", "Unmarried"),
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("Divorced", "Divorced"),
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)
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class Institute(models.Model):
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id = models.BigAutoField(primary_key=True)
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name = models.CharField(max_length=255)
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phone = models.CharField(max_length=255, null=True, blank=True)
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email = models.CharField(max_length=255, null=True, blank=True)
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address = models.CharField(max_length=255, null=True, blank=True)
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pan_no = models.CharField(max_length=255, null=True, blank=True)
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reg_no = models.CharField(max_length=255, null=True, blank=True)
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logo = models.ImageField(upload_to="image", null=True, blank=True)
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description = models.TextField(null=True, blank=True)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name = "Institute"
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verbose_name_plural = "Institutes"
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class Course(models.Model):
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id = models.BigAutoField(primary_key=True)
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name = models.CharField(max_length=500)
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duration = models.IntegerField(default=1, null=True, blank=True)
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duration_type = models.CharField(
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max_length=255, choices=duration_types_choices, null=True, blank=True
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)
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def __str__(self):
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return self.name
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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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class Subject(models.Model):
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id = models.AutoField(primary_key=True)
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name = models.CharField(max_length=255)
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course = models.ForeignKey(Course, on_delete=models.CASCADE, default=1)
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semester_or_year = models.PositiveIntegerField()
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def __str__(self):
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return self.name
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class Student(AbstractUser):
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first_name = None
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last_name = None
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is_superuser = None
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date_joined = None
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username = None
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email = None
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user_permissions = models.ManyToManyField(
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"auth.Permission",
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verbose_name="user permissions",
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blank=True,
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help_text="Specific permissions for this student.",
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related_name="student_set", # This fixes the clash
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related_query_name="student",
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)
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# Similarly, let's also update groups to be explicit
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groups = models.ManyToManyField(
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"auth.Group",
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verbose_name="groups",
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blank=True,
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help_text="The groups this student belongs to.",
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related_name="students", # This matches your existing related_name
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)
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id = models.BigAutoField(primary_key=True)
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name = models.CharField(max_length=255)
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status = models.CharField(
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max_length=255, choices=student_status_choices, null=True, blank=True
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)
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gender = models.CharField(
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max_length=255, choices=gender_choices, null=True, blank=True
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)
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birth_date = models.DateField(null=True, blank=True)
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email = models.CharField(max_length=255, null=True, blank=True)
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phone = models.CharField(max_length=255, null=True, blank=True, unique=True)
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temporary_address = models.CharField(max_length=500, null=True, blank=True)
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permanent_address = models.CharField(max_length=500, null=True, blank=True)
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parent_name = models.CharField(max_length=255, null=True, blank=True)
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parent_phone = models.CharField(max_length=255, null=True, blank=True)
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courses = models.ManyToManyField(Course, related_name="students", blank=True)
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joining_date = models.DateField(null=True, blank=True)
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password = models.CharField(
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max_length=128, editable=False, null=True
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) # Editable is set to False to prevent direct editing
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USERNAME_FIELD = "phone"
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REQUIRED_FIELDS = ["name"] # Add required fields
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def __str__(self):
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return self.name
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def set_password(self, raw_password):
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self.password = make_password(raw_password)
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self.save(update_fields=["password"])
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@property
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def is_staff(self):
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"""Check if student has any groups (permissions)"""
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return self.groups.exists()
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def has_perm(self, perm, obj=None):
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"""Check if student has a specific permission"""
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if not self.is_active:
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return False
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# Get permissions from groups
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perms = set()
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for group in self.groups.all():
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perms.update(
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group.permissions.values_list("content_type__app_label", "codename")
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)
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# Convert permission string to app_label and codename
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app_label, codename = perm.split(".")
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return (app_label, codename) in perms
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def has_module_perms(self, app_label):
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"""Check if student has any permissions in the given app"""
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if not self.is_active:
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return False
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# Check if any group permissions match the app_label
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for group in self.groups.all():
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if group.permissions.filter(content_type__app_label=app_label).exists():
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return True
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return False
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class Meta:
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verbose_name = "Student"
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verbose_name_plural = "Students"
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class Staff(AbstractUser):
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first_name = None
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last_name = None
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date_joined = None
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username = None
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email = None
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is_active = models.BooleanField(default=True)
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is_staff = models.BooleanField(default=True)
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is_superuser = models.BooleanField(default=False)
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user_permissions = models.ManyToManyField(
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"auth.Permission",
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verbose_name="user permissions",
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blank=True,
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help_text="Specific permissions for this staff.",
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related_name="staff_set", # This fixes the clash
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related_query_name="staff",
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)
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# Similarly, let's also update groups to be explicit
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groups = models.ManyToManyField(
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"auth.Group",
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verbose_name="groups",
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blank=True,
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help_text="The groups this staff belongs to.",
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related_name="staffs", # This matches your existing related_name
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)
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id = models.BigAutoField(primary_key=True)
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name = models.CharField(max_length=255)
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phone = models.CharField(max_length=255, null=True, blank=True, unique=True)
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designation = models.CharField(max_length=255, null=True, blank=True)
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gender = models.CharField(
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max_length=255, choices=gender_choices, null=True, blank=True
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)
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birth_date = models.DateField(null=True, blank=True)
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email = models.CharField(max_length=255, null=True, blank=True)
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temporary_address = models.CharField(max_length=255, null=True, blank=True)
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permanent_address = models.CharField(max_length=255, null=True, blank=True)
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marital_status = models.CharField(
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max_length=255, choices=marital_status_choices, null=True, blank=True
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)
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joining_date = models.DateField(null=True, blank=True)
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password = models.CharField(
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max_length=128, editable=False, null=True
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) # Editable is set to False to prevent direct editing
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USERNAME_FIELD = "phone"
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REQUIRED_FIELDS = ["name"] # Add required fields
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def __str__(self):
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return self.name
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def set_password(self, raw_password):
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self.password = make_password(raw_password)
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self.save(update_fields=["password"])
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@property
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def is_staff(self):
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"""Check if student has any groups (permissions)"""
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return True
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@property
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def is_authenticated(self):
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return True
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def has_perm(self, perm, obj=None):
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"""Check if student has a specific permission"""
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if not self.is_active:
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return False
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# Get permissions from groups
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perms = set()
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for group in self.groups.all():
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perms.update(
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group.permissions.values_list("content_type__app_label", "codename")
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)
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# Convert permission string to app_label and codename
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app_label, codename = perm.split(".")
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return (app_label, codename) in perms
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def has_module_perms(self, app_label):
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"""Check if student has any permissions in the given app"""
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if not self.is_active:
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return False
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# Check if any group permissions match the app_label
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for group in self.groups.all():
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if group.permissions.filter(content_type__app_label=app_label).exists():
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return True
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return False
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class Meta:
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verbose_name = "Staff"
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verbose_name_plural = "Staffs"
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class Batch(models.Model):
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id = models.BigAutoField(primary_key=True)
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name = models.CharField(max_length=255)
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start_date = models.DateField(null=True, blank=True)
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end_date = models.DateField(null=True, blank=True)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name = "Batch"
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verbose_name_plural = "Batches"
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class Routine(models.Model):
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id = models.BigAutoField(primary_key=True)
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name = models.CharField(max_length=255, null=True, blank=True)
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start_time = models.TimeField(null=True, blank=True)
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end_time = models.TimeField(null=True, blank=True)
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teacher = models.ForeignKey(
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Staff, related_name="routines", on_delete=models.CASCADE, null=True, blank=True
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)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name = "Routine"
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verbose_name_plural = "Routines"
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class StudentRoutine(models.Model):
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id = models.BigAutoField(primary_key=True)
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student = models.ForeignKey(
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Student, related_name="routines", on_delete=models.CASCADE, null=True
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)
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routine = models.ForeignKey(
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Routine, related_name="students", on_delete=models.CASCADE, null=True
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)
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course = models.ForeignKey(Course, on_delete=models.CASCADE, null=True, blank=True)
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def __str__(self):
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return self.student.name
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class Attendance(models.Model):
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id = models.BigAutoField(primary_key=True)
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date = models.DateField()
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routine = models.ForeignKey(
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Routine,
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related_name="attendances",
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on_delete=models.CASCADE,
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null=True,
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blank=True,
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)
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teacher = models.ForeignKey(
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Staff,
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related_name="attendances",
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on_delete=models.CASCADE,
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null=True,
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blank=True,
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)
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teacher_attend = models.BooleanField(default=True)
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class_status = models.BooleanField(default=True)
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def __str__(self):
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return str(self.date)
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class Meta:
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verbose_name = "Attendance"
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verbose_name_plural = "Attendances"
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class AttendanceRecord(models.Model):
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id = models.BigAutoField(primary_key=True)
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attendance = models.ForeignKey(
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Attendance,
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on_delete=models.CASCADE,
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null=True,
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blank=True,
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related_name="records",
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)
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student = models.ForeignKey(
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Student,
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on_delete=models.CASCADE,
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null=True,
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blank=True,
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related_name="attendance_records",
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)
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student_attend = models.BooleanField(default=False)
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# def __str__(self):
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# return self.student.name
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class FCMDevice(models.Model):
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id = models.BigAutoField(primary_key=True)
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token = models.TextField(unique=True)
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def __str__(self):
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return self.token
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class Notice(models.Model):
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id = models.BigAutoField(primary_key=True)
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title = models.CharField(max_length=255)
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image = models.ImageField(upload_to="notice", blank=True, null=True)
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message = models.TextField(blank=True, null=True)
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created_at = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return self.title
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def save(self, *args, **kwargs):
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send_push_notification(
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self.title, self.message, FCMDevice.objects.values_list("token", flat=True)
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)
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return super().save(*args, **kwargs)
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class Meta:
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verbose_name = "Notice"
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verbose_name_plural = "Notices"
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class Staff_leave(models.Model):
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LEAVE_STATUS_CHOICES = (
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(0, 'Pending'),
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(1, 'Approved'),
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(2, 'Rejected'),
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)
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staff = models.ForeignKey(Staff, on_delete=models.CASCADE)
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date = models.DateField()
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message = models.TextField()
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status = models.IntegerField(choices=LEAVE_STATUS_CHOICES, default=0)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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def __str__(self):
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return f"{self.staff.name} - {self.date}"
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class Meta:
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verbose_name = "Staff Leave"
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verbose_name_plural = "Staff Leaves"
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ordering = ['-created_at']
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class Student_Leave(models.Model):
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LEAVE_STATUS_CHOICES = (
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(0, 'Pending'),
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(1, 'Approved'),
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(2, 'Rejected'),
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)
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student = models.ForeignKey(Student, on_delete=models.CASCADE)
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date = models.DateField()
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message = models.TextField()
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status = models.IntegerField(choices=LEAVE_STATUS_CHOICES, default=0)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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def __str__(self):
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return f"{self.student.name} - {self.date}"
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class Meta:
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verbose_name = "Student Leave"
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verbose_name_plural = "Student Leaves"
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ordering = ['-created_at']
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class StudentFeedback(models.Model):
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student = models.ForeignKey(Student, on_delete=models.CASCADE, related_name='feedbacks')
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subject = models.ForeignKey(Subject, on_delete=models.CASCADE, related_name='feedbacks')
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teacher = models.ForeignKey(Staff, on_delete=models.CASCADE, related_name='feedbacks')
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rating = models.IntegerField(choices=[(i, i) for i in range(1, 6)]) # 1-5 rating
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feedback_text = models.TextField()
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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def __str__(self):
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return f"{self.student.name} - {self.subject.name} - {self.teacher.name}"
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class Meta:
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verbose_name = "Student Feedback"
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verbose_name_plural = "Student Feedbacks"
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ordering = ['-created_at']
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unique_together = ['student', 'subject', 'teacher'] # Prevent duplicate feedbacks
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class CourseTracking(models.Model):
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PROGRESS_STATUS_CHOICES = (
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('Not Started', 'Not Started'),
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('In Progress', 'In Progress'),
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('Completed', 'Completed'),
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('Dropped', 'Dropped'),
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)
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student = models.ForeignKey(Student, on_delete=models.CASCADE, related_name='course_trackings')
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course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='student_trackings')
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enrollment_date = models.DateField(auto_now_add=True)
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start_date = models.DateField(null=True, blank=True)
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expected_end_date = models.DateField(null=True, blank=True)
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actual_end_date = models.DateField(null=True, blank=True)
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progress_status = models.CharField(max_length=20, choices=PROGRESS_STATUS_CHOICES, default='Not Started')
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completion_percentage = models.IntegerField(default=0, help_text="Percentage of course completion (0-100)")
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notes = models.TextField(blank=True, null=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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verbose_name = "Course Tracking"
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verbose_name_plural = "Course Trackings"
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unique_together = ['student', 'course'] # Ensure one tracking per student per course
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ordering = ['-created_at']
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def __str__(self):
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return f"{self.student.name} - {self.course.name}"
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def clean(self):
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from django.core.exceptions import ValidationError
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if self.start_date and self.expected_end_date and self.start_date > self.expected_end_date:
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raise ValidationError("Start date cannot be after expected end date")
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if self.actual_end_date and self.start_date and self.actual_end_date < self.start_date:
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raise ValidationError("Actual end date cannot be before start date")
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def calculate_completion_percentage(self):
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if not self.start_date or not self.expected_end_date:
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return 0
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today = date.today()
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# If course is completed, return 100%
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if self.progress_status == 'Completed':
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return 100
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elif self.progress_status == 'Dropped':
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return 0
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# Calculate total duration in days
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total_duration = (self.expected_end_date - self.start_date).days
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if total_duration <= 0:
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return 0
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# Calculate elapsed time in days
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elapsed_days = (today - self.start_date).days
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if elapsed_days <= 0:
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return 0
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# Calculate percentage based on course duration type
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if self.course.duration_type == 'Semester':
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# For semester-based courses (6 months)
|
|
max_days = 180 # 6 months = 180 days
|
|
if elapsed_days >= max_days:
|
|
return 100
|
|
else: # Yearly based
|
|
max_days = 365 # 1 year = 365 days
|
|
if elapsed_days >= max_days:
|
|
return 100
|
|
|
|
# Calculate percentage based on elapsed time vs total duration
|
|
percentage = min(100, int((elapsed_days / total_duration) * 100))
|
|
return percentage
|
|
|
|
def save(self, *args, **kwargs):
|
|
# Validate dates
|
|
self.clean()
|
|
|
|
# Calculate completion percentage
|
|
self.completion_percentage = self.calculate_completion_percentage()
|
|
|
|
# Update progress status based on completion percentage
|
|
if self.completion_percentage >= 100:
|
|
self.progress_status = 'Completed'
|
|
if not self.actual_end_date:
|
|
self.actual_end_date = date.today()
|
|
elif self.completion_percentage > 0:
|
|
self.progress_status = 'In Progress'
|
|
|
|
super().save(*args, **kwargs)
|
|
|
|
@property
|
|
def is_completed(self):
|
|
return self.progress_status == 'Completed'
|
|
|
|
@property
|
|
def is_active(self):
|
|
return self.progress_status == 'In Progress'
|
|
|
|
@property
|
|
def remaining_days(self):
|
|
if not self.expected_end_date:
|
|
return None
|
|
today = date.today()
|
|
remaining = (self.expected_end_date - today).days
|
|
return max(0, remaining)
|
|
|
|
@property
|
|
def duration_type(self):
|
|
return self.course.duration_type
|
|
|
|
@property
|
|
def total_duration_days(self):
|
|
if not self.start_date or not self.expected_end_date:
|
|
return None
|
|
return (self.expected_end_date - self.start_date).days
|
|
|
|
def get_completion_percentage(self):
|
|
"""
|
|
Get completion percentage with caching
|
|
"""
|
|
return get_cached_percentage(self.id)
|
|
|
|
def force_update_percentage(self):
|
|
"""
|
|
Force update the completion percentage and clear cache
|
|
"""
|
|
cache_key = f'course_tracking_percentage_{self.id}'
|
|
cache.delete(cache_key)
|
|
self.save() # This will recalculate and update the percentage
|
|
|
|
|
|
def get_cached_percentage(tracking_id):
|
|
"""
|
|
Get cached completion percentage for a course tracking
|
|
"""
|
|
cache_key = f'course_tracking_percentage_{tracking_id}'
|
|
percentage = cache.get(cache_key)
|
|
if percentage is None:
|
|
try:
|
|
tracking = CourseTracking.objects.get(id=tracking_id)
|
|
percentage = tracking.completion_percentage
|
|
cache.set(cache_key, percentage, 3600)
|
|
except CourseTracking.DoesNotExist:
|
|
return 0
|
|
return percentage
|
|
|
|
|
|
@receiver(post_save, sender=CourseTracking)
|
|
def update_completion_percentage(sender, instance, **kwargs):
|
|
"""
|
|
Signal to update completion percentage after save
|
|
Also caches the percentage for 1 hour to avoid frequent recalculations
|
|
"""
|
|
cache_key = f'course_tracking_percentage_{instance.id}'
|
|
cache.set(cache_key, instance.completion_percentage, 3600) # Cache for 1 hour
|
|
|
|
|
|
|