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const fetch = require('node-fetch').default;
const { SECRET_KEYS, readSecret } = require('../endpoints/secrets');
/**
* Gets the vector for the given text batch from an OpenAI compatible endpoint.
* @param {string[]} texts - The array of texts to get the vector for
* @param {boolean} isQuery - If the text is a query for embedding search
* @param {import('../users').UserDirectoryList} directories - The directories object for the user
* @param {string} model - The model to use for the embedding
* @returns {Promise<number[][]>} - The array of vectors for the texts
*/
async function getCohereBatchVector(texts, isQuery, directories, model) {
const key = readSecret(directories, SECRET_KEYS.COHERE);
if (!key) {
console.log('No API key found');
throw new Error('No API key found');
}
const response = await fetch('https://api.cohere.ai/v1/embed', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
Authorization: `Bearer ${key}`,
},
body: JSON.stringify({
texts: texts,
model: model,
input_type: isQuery ? 'search_query' : 'search_document',
truncate: 'END',
}),
});
if (!response.ok) {
const text = await response.text();
console.log('API request failed', response.statusText, text);
throw new Error('API request failed');
}
const data = await response.json();
if (!Array.isArray(data?.embeddings)) {
console.log('API response was not an array');
throw new Error('API response was not an array');
}
return data.embeddings;
}
/**
* Gets the vector for the given text from an OpenAI compatible endpoint.
* @param {string} text - The text to get the vector for
* @param {boolean} isQuery - If the text is a query for embedding search
* @param {import('../users').UserDirectoryList} directories - The directories object for the user
* @param {string} model - The model to use for the embedding
* @returns {Promise<number[]>} - The vector for the text
*/
async function getCohereVector(text, isQuery, directories, model) {
const vectors = await getCohereBatchVector([text], isQuery, directories, model);
return vectors[0];
}
module.exports = {
getCohereBatchVector,
getCohereVector,
};
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