73 lines
3.1 KiB
Python
73 lines
3.1 KiB
Python
"""
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Billing Models for Credit System
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"""
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from django.db import models
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from django.core.validators import MinValueValidator
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from igny8_core.auth.models import AccountBaseModel
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class CreditTransaction(AccountBaseModel):
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"""Track all credit transactions (additions, deductions)"""
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TRANSACTION_TYPE_CHOICES = [
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('purchase', 'Purchase'),
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('subscription', 'Subscription Renewal'),
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('refund', 'Refund'),
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('deduction', 'Usage Deduction'),
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('adjustment', 'Manual Adjustment'),
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]
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transaction_type = models.CharField(max_length=20, choices=TRANSACTION_TYPE_CHOICES, db_index=True)
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amount = models.IntegerField(help_text="Positive for additions, negative for deductions")
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balance_after = models.IntegerField(help_text="Credit balance after this transaction")
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description = models.CharField(max_length=255)
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metadata = models.JSONField(default=dict, help_text="Additional context (AI call details, etc.)")
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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db_table = 'igny8_credit_transactions'
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ordering = ['-created_at']
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indexes = [
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models.Index(fields=['account', 'transaction_type']),
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models.Index(fields=['account', 'created_at']),
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]
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def __str__(self):
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account = getattr(self, 'account', None)
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return f"{self.get_transaction_type_display()} - {self.amount} credits - {account.name if account else 'No Account'}"
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class CreditUsageLog(AccountBaseModel):
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"""Detailed log of credit usage per AI operation"""
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OPERATION_TYPE_CHOICES = [
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('clustering', 'Keyword Clustering'),
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('ideas', 'Content Ideas Generation'),
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('content', 'Content Generation'),
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('images', 'Image Generation'),
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('reparse', 'Content Reparse'),
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]
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operation_type = models.CharField(max_length=50, choices=OPERATION_TYPE_CHOICES, db_index=True)
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credits_used = models.IntegerField(validators=[MinValueValidator(0)])
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cost_usd = models.DecimalField(max_digits=10, decimal_places=4, null=True, blank=True)
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model_used = models.CharField(max_length=100, blank=True)
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tokens_input = models.IntegerField(null=True, blank=True, validators=[MinValueValidator(0)])
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tokens_output = models.IntegerField(null=True, blank=True, validators=[MinValueValidator(0)])
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related_object_type = models.CharField(max_length=50, blank=True) # 'keyword', 'cluster', 'task'
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related_object_id = models.IntegerField(null=True, blank=True)
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metadata = models.JSONField(default=dict)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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db_table = 'igny8_credit_usage_logs'
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ordering = ['-created_at']
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indexes = [
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models.Index(fields=['account', 'operation_type']),
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models.Index(fields=['account', 'created_at']),
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models.Index(fields=['account', 'operation_type', 'created_at']),
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]
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def __str__(self):
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account = getattr(self, 'account', None)
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return f"{self.get_operation_type_display()} - {self.credits_used} credits - {account.name if account else 'No Account'}"
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