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tahamajs/RR / Codes /django_api /gpu_finance /serializers.py
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from rest_framework import serializers
from .models import *
class ComputeIndexSerializer(serializers.ModelSerializer):
class Meta:
model = ComputeIndex
fields = [
"id",
"gpu_model",
"index_name",
"current_value",
"previous_value",
"daily_change_pct",
"data_points",
"sample_std_dev",
"calculated_at",
]
class IndexHistorySerializer(serializers.ModelSerializer):
class Meta:
model = IndexHistory
fields = ["value", "data_points", "recorded_at"]
class FuturesContractSerializer(serializers.ModelSerializer):
index_name = serializers.CharField(source="index.index_name", read_only=True)
current_index_value = serializers.DecimalField(
source="index.current_value", max_digits=10, decimal_places=4, read_only=True
)
class Meta:
model = FuturesContract
fields = [
"id",
"index",
"index_name",
"current_index_value",
"contract_code",
"contract_month",
"contract_year",
"contract_size_hours",
"settlement_price",
"status",
"open_interest",
"total_volume",
"day_high",
"day_low",
"last_price",
"first_notice_date",
"last_trading_date",
"settlement_date",
"created_at",
]
read_only_fields = [
"id",
"status",
"settlement_price",
"open_interest",
"total_volume",
"day_high",
"day_low",
"last_price",
"created_at",
]
class FuturesPositionSerializer(serializers.ModelSerializer):
trader_username = serializers.CharField(source="trader.username", read_only=True)
contract_code = serializers.CharField(
source="contract.contract_code", read_only=True
)
class Meta:
model = FuturesPosition
fields = [
"id",
"contract",
"contract_code",
"trader",
"trader_username",
"position_type",
"quantity",
"entry_price",
"exit_price",
"status",
"realized_pnl_usd",
"margin_locked_usd",
"opened_at",
"closed_at",
]
read_only_fields = [
"id",
"trader",
"status",
"exit_price",
"realized_pnl_usd",
"opened_at",
"closed_at",
]
class FuturesOrderSerializer(serializers.ModelSerializer):
trader_username = serializers.CharField(source="trader.username", read_only=True)
contract_code = serializers.CharField(
source="contract.contract_code", read_only=True
)
class Meta:
model = FuturesOrder
fields = [
"id",
"contract",
"contract_code",
"trader",
"trader_username",
"order_type",
"order_mode",
"quantity",
"limit_price",
"stop_price",
"status",
"filled_quantity",
"avg_fill_price",
"created_at",
]
read_only_fields = [
"id",
"trader",
"status",
"filled_quantity",
"avg_fill_price",
"created_at",
]
class InvoiceLineItemSerializer(serializers.ModelSerializer):
class Meta:
model = InvoiceLineItem
fields = [
"id",
"invoice",
"charge_type",
"description",
"job",
"quantity",
"unit_price_usd",
"total_usd",
]
class InvoiceSerializer(serializers.ModelSerializer):
username = serializers.CharField(source="user.username", read_only=True)
line_items = InvoiceLineItemSerializer(many=True, read_only=True)
balance_due = serializers.SerializerMethodField()
class Meta:
model = Invoice
fields = [
"id",
"user",
"username",
"invoice_number",
"status",
"subtotal_usd",
"tax_usd",
"total_usd",
"amount_paid_usd",
"balance_due",
"period_start",
"period_end",
"due_date",
"paid_at",
"line_items",
"created_at",
]
read_only_fields = [
"id",
"user",
"username",
"status",
"subtotal_usd",
"tax_usd",
"total_usd",
"amount_paid_usd",
"paid_at",
"created_at",
]
def get_balance_due(self, obj):
return obj.total_usd - obj.amount_paid_usd
class PayoutSerializer(serializers.ModelSerializer):
provider_username = serializers.CharField(
source="provider.username", read_only=True
)
class Meta:
model = Payout
fields = [
"id",
"provider",
"provider_username",
"amount_usd",
"fee_usd",
"net_amount_usd",
"method",
"status",
"reference",
"created_at",
"completed_at",
]
read_only_fields = [
"id",
"provider",
"status",
"net_amount_usd",
"created_at",
"completed_at",
]
class PaymentMethodSerializer(serializers.ModelSerializer):
class Meta:
model = PaymentMethod
fields = [
"id",
"user",
"method_type",
"is_default",
"is_verified",
"last_four",
"expiry_month",
"expiry_year",
"created_at",
]
read_only_fields = ["id", "user", "created_at"]
class BillingPlanSerializer(serializers.ModelSerializer):
class Meta:
model = BillingPlan
fields = "__all__"
class SubscriptionSerializer(serializers.ModelSerializer):
plan_name = serializers.CharField(source="plan.name", read_only=True)
username = serializers.CharField(source="user.username", read_only=True)
class Meta:
model = Subscription
fields = [
"id",
"user",
"username",
"plan",
"plan_name",
"status",
"trial_ends_at",
"current_period_start",
"current_period_end",
"created_at",
]
read_only_fields = ["id", "user", "username", "created_at"]
class UsageRecordSerializer(serializers.ModelSerializer):
username = serializers.CharField(source="user.username", read_only=True)
class Meta:
model = UsageRecord
fields = [
"id",
"user",
"username",
"job",
"gpu_model",
"hours_consumed",
"cost_usd",
"platform_fee_usd",
"recorded_at",
]
read_only_fields = ["id", "user", "username", "recorded_at"]

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