dwctl 8.38.2

The Doubleword Control Layer - A self-hostable observability and analytics platform for LLM applications
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//! API response models for model tariffs (read-only).

use crate::{
    db::models::{api_keys::ApiKeyPurpose, tariffs::ModelTariff},
    types::DeploymentId,
};
use chrono::{DateTime, Utc};
use rust_decimal::Decimal;
use serde::{Deserialize, Serialize};
use utoipa::ToSchema;
use uuid::Uuid;

/// API response for a tariff
#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct TariffResponse {
    #[schema(value_type = String, format = "uuid")]
    pub id: Uuid,
    #[schema(value_type = String, format = "uuid")]
    pub deployed_model_id: DeploymentId,
    pub name: String,
    /// Input price per token (sent/returned as string to preserve precision)
    #[schema(value_type = String)]
    pub input_price_per_token: Decimal,
    /// Output price per token (sent/returned as string to preserve precision)
    #[schema(value_type = String)]
    pub output_price_per_token: Decimal,
    /// Optional API key purpose this tariff applies to (realtime, batch, playground)
    /// If null, tariff is not automatically applied
    pub api_key_purpose: Option<ApiKeyPurpose>,
    /// Optional completion window for batch tariffs (e.g., "24h", "1h")
    /// Only applicable when api_key_purpose is Batch
    #[serde(skip_serializing_if = "Option::is_none")]
    #[schema(example = "24h")]
    pub completion_window: Option<String>,
    pub valid_from: DateTime<Utc>,
    pub valid_until: Option<DateTime<Utc>>,
    /// Indicates if this tariff is currently active (valid_until IS NULL)
    #[serde(default)]
    pub is_active: bool,
}

impl From<ModelTariff> for TariffResponse {
    fn from(tariff: ModelTariff) -> Self {
        Self {
            id: tariff.id,
            deployed_model_id: tariff.deployed_model_id,
            name: tariff.name,
            input_price_per_token: tariff.input_price_per_token,
            output_price_per_token: tariff.output_price_per_token,
            api_key_purpose: tariff.api_key_purpose,
            completion_window: tariff.completion_window,
            valid_from: tariff.valid_from,
            valid_until: tariff.valid_until,
            is_active: tariff.valid_until.is_none(),
        }
    }
}