cdc-placement-website-backend/CDC_Backend/APIs/models.py

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from django.contrib.postgres.fields import ArrayField
from django.db import models
from django.utils import timezone
from .constants import *
class User(models.Model):
email = models.CharField(primary_key=True, blank=False, max_length=50)
id = models.CharField(blank=False, max_length=25)
user_type = ArrayField(models.CharField(blank=False, max_length=10), size=4, default=list, blank=False)
class Student(models.Model):
id = models.CharField(blank=False, max_length=15, primary_key=True)
roll_no = models.IntegerField(blank=False)
name = models.CharField(blank=False, max_length=50)
batch = models.CharField(max_length=10, choices=BATCH_CHOICES, blank=False)
branch = models.CharField(choices=BRANCH_CHOICES, blank=False, max_length=10)
phone_number = models.PositiveBigIntegerField(blank=True, default=None, null=True)
resumes = ArrayField(models.CharField(null=True, default=None, max_length=100), size=10, default=list, blank=True)
cpi = models.DecimalField(decimal_places=2, max_digits=4)
class Admin(models.Model):
id = models.CharField(blank=False, max_length=15, primary_key=True)
name = models.CharField(blank=False, max_length=50)
class Placement(models.Model):
id = models.CharField(blank=False, primary_key=True, max_length=15)
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name = models.CharField(blank=False, max_length=50, default="")
address = models.CharField(blank=False, max_length=150, default="")
companyType = models.CharField(blank=False, max_length=50, default="")
website = models.CharField(blank=True, max_length=50, default="")
contact_person_name = models.CharField(blank=False, max_length=50, default="")
phone_number = models.PositiveBigIntegerField(blank=False, default=0)
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designation = models.CharField(blank=False, max_length=25, default=None, null=True)
description = models.CharField(blank=False, max_length=200)
start_date = models.DateField(blank=False, verbose_name="Start Date")
city = models.CharField(blank=False, max_length=100, default="")
city_type = models.CharField(blank=False, max_length=15, choices=OFFER_CITY_TYPE)
compensation = models.IntegerField(blank=False) # Job - Per Year
compensation_details = models.CharField(blank=True, max_length=200)
tier = models.CharField(blank=False, choices=TIERS, max_length=10, default=None, null=True)
allowed_batch = ArrayField(
models.CharField(max_length=10, choices=BATCH_CHOICES),
size=TOTAL_BATCHES,
default=list
)
allowed_branch = ArrayField(
models.CharField(choices=BRANCH_CHOICES, blank=False, max_length=10),
size=TOTAL_BRANCHES,
default=list
)
attachments = ArrayField(
models.CharField(max_length=100, blank=True),
size=10,
blank=True
)
rounds = ArrayField(
models.CharField(max_length=25, blank=True),
size=10,
)
additional_info = ArrayField(
models.CharField(max_length=25, blank=True),
size=10,
blank=True
)
status = models.CharField(max_length=50, blank=False)
rounds_details = models.JSONField(blank=True, default=dict)
created_at = models.DateTimeField(blank=False, default=None, null=True)
class PlacementApplication(models.Model):
id = models.CharField(blank=False, primary_key=True, max_length=15)
placement = models.ForeignKey(Placement, blank=False, on_delete=models.RESTRICT, default=None, null=True)
student = models.ForeignKey(Student, blank=False, on_delete=models.CASCADE)
resume = models.CharField(max_length=100, blank=False, null=True, default=None)
status = models.CharField(max_length=50, null=True, blank=True, default=None)
additional_info = models.JSONField(blank=True, default=None, null=True)
selected = models.BooleanField(null=True, default=None, blank=True)
applied_at = models.DateTimeField(blank=False, default=None, null=True)
def save(self, *args, **kwargs):
''' On save, add timestamps '''
if not self.applied_at:
self.applied_at = timezone.now()
return super(PlacementApplication, self).save(*args, **kwargs)
class Meta:
verbose_name_plural = "Placement Applications"
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unique_together = ('placement_id', 'student_id')
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class PrePlacementOffer(models.Model):
id = models.AutoField(primary_key=True)
student = models.ForeignKey(Student, on_delete=models.CASCADE, blank=False)
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company = models.CharField(max_length=50, blank=False, default="")
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compensation = models.IntegerField(blank=False) # Job - Per Year
compensation_details = models.CharField(blank=True, max_length=200)
tier = models.CharField(blank=False, choices=TIERS, max_length=10)
designation = models.CharField(blank=False, max_length=25, default=None, null=True)
accepted = models.BooleanField(default=None, null=True)