from agent.models import Agent
from django.db import models


class PurchaseTag(models.Model):
    name = models.CharField(max_length=255)
    description = models.TextField(blank=True)

    def __repr__(self):
        return f"PurchaseTag_{self.name}"

    def __str__(self):
        return self.name


class Purchase(models.Model):
    author = models.ForeignKey(Agent, on_delete=models.PROTECT)
    comment = models.TextField(blank=True)
    tags = models.ManyToManyField(PurchaseTag)
    title = models.CharField(max_length=255)

    def __repr__(self):
        return f"Purchase_{self.title}"

    def __str__(self):
        return self.title