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const Transaction = require('./Transaction');
/**
* Creates up to two transactions to record the spending of tokens.
*
* @function
* @async
* @param {Object} txData - Transaction data.
* @param {mongoose.Schema.Types.ObjectId} txData.user - The user ID.
* @param {String} txData.conversationId - The ID of the conversation.
* @param {String} txData.model - The model name.
* @param {String} txData.context - The context in which the transaction is made.
* @param {String} [txData.valueKey] - The value key (optional).
* @param {Object} tokenUsage - The number of tokens used.
* @param {Number} tokenUsage.promptTokens - The number of prompt tokens used.
* @param {Number} tokenUsage.completionTokens - The number of completion tokens used.
* @returns {Promise<void>} - Returns nothing.
* @throws {Error} - Throws an error if there's an issue creating the transactions.
*/
const spendTokens = async (txData, tokenUsage) => {
const { promptTokens, completionTokens } = tokenUsage;
let prompt, completion;
try {
if (promptTokens >= 0) {
prompt = await Transaction.create({
...txData,
tokenType: 'prompt',
rawAmount: -promptTokens,
});
}
if (!completionTokens) {
this.debug && console.dir({ prompt, completion }, { depth: null });
return;
}
completion = await Transaction.create({
...txData,
tokenType: 'completion',
rawAmount: -completionTokens,
});
this.debug && console.dir({ prompt, completion }, { depth: null });
} catch (err) {
console.error(err);
}
};
module.exports = spendTokens;
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