Add IntelliJ IDEA project configuration files

This commit adds IntelliJ IDEA-specific configuration files for the project, including module setup, version control integration, inspection profiles, and workspace settings. These files facilitate development environment configuration for contributors using IntelliJ IDEA.

booking/models.py

@@ -3,6 +3,13 @@ from common.models import ContainerTypeModel, LinesModel, OperationModel
 
 # Create your models here.
 class Booking(models.Model):
+
+    STATUS_CHOICES = [
+        ('active', 'Active'),
+        ('finished', 'Finished'),
+        ('canceled', 'Canceled'),
+    ]
+
     number = models.CharField(max_length=50, unique=True)
     vehicles = models.CharField(blank=True, null=True)
     container_type = models.ForeignKey(
@@ -21,8 +28,17 @@ class Booking(models.Model):
     visible = models.BooleanField(default=True)
     is_new = models.BooleanField(default=True)
     container_number = models.CharField(max_length=11, blank=True, null=True)
-    vehicles_left = models.IntegerField(blank=True, null=True)
+    vehicles_left = models.CharField(blank=True, null=True)
     created_on = models.DateTimeField(auto_now_add=True)
     created_by = models.IntegerField()
     updated_on = models.DateTimeField(auto_now=True)
-    updated_by = models.IntegerField()
+    updated_by = models.IntegerField()
+    status = models.CharField(
+        max_length=10,
+        choices=STATUS_CHOICES,
+        default='active'
+    )
+
+    @property
+    def containers_left(self):
+        return self.container_count - (self.container_expedited_count or 0)