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chat_completion.rs
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chat_completion.rs
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use serde::ser::SerializeMap;
use serde::{Deserialize, Serialize, Serializer};
use serde_json::Value;
use std::collections::HashMap;
use crate::impl_builder_methods;
use crate::v1::common;
#[derive(Debug, Serialize, Clone)]
pub enum FunctionCallType {
None,
Auto,
Function { name: String },
}
#[derive(Debug, Serialize, Clone)]
pub struct ChatCompletionRequest {
pub model: String,
pub messages: Vec<ChatCompletionMessage>,
#[serde(skip_serializing_if = "Option::is_none")]
pub functions: Option<Vec<Function>>,
#[serde(skip_serializing_if = "Option::is_none")]
#[serde(serialize_with = "serialize_function_call")]
pub function_call: Option<FunctionCallType>,
#[serde(skip_serializing_if = "Option::is_none")]
pub temperature: Option<f64>,
#[serde(skip_serializing_if = "Option::is_none")]
pub top_p: Option<f64>,
#[serde(skip_serializing_if = "Option::is_none")]
pub n: Option<i64>,
#[serde(skip_serializing_if = "Option::is_none")]
pub response_format: Option<Value>,
#[serde(skip_serializing_if = "Option::is_none")]
pub stream: Option<bool>,
#[serde(skip_serializing_if = "Option::is_none")]
pub stop: Option<Vec<String>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub max_tokens: Option<i64>,
#[serde(skip_serializing_if = "Option::is_none")]
pub presence_penalty: Option<f64>,
#[serde(skip_serializing_if = "Option::is_none")]
pub frequency_penalty: Option<f64>,
#[serde(skip_serializing_if = "Option::is_none")]
pub logit_bias: Option<HashMap<String, i32>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub user: Option<String>,
}
impl ChatCompletionRequest {
pub fn new(model: String, messages: Vec<ChatCompletionMessage>) -> Self {
Self {
model,
messages,
functions: None,
function_call: None,
temperature: None,
top_p: None,
stream: None,
n: None,
response_format: None,
stop: None,
max_tokens: None,
presence_penalty: None,
frequency_penalty: None,
logit_bias: None,
user: None,
}
}
}
impl_builder_methods!(
ChatCompletionRequest,
functions: Vec<Function>,
function_call: FunctionCallType,
temperature: f64,
top_p: f64,
n: i64,
response_format: Value,
stream: bool,
stop: Vec<String>,
max_tokens: i64,
presence_penalty: f64,
frequency_penalty: f64,
logit_bias: HashMap<String, i32>,
user: String
);
#[derive(Debug, Serialize, Deserialize, Clone)]
#[allow(non_camel_case_types)]
pub enum MessageRole {
user,
system,
assistant,
function,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct ChatCompletionMessage {
pub role: MessageRole,
pub content: String,
#[serde(skip_serializing_if = "Option::is_none")]
pub name: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub function_call: Option<FunctionCall>,
}
#[derive(Debug, Serialize, Deserialize)]
pub struct ChatCompletionMessageForResponse {
pub role: MessageRole,
#[serde(skip_serializing_if = "Option::is_none")]
pub content: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub name: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub function_call: Option<FunctionCall>,
}
#[derive(Debug, Deserialize)]
pub struct ChatCompletionChoice {
pub index: i64,
pub message: ChatCompletionMessageForResponse,
pub finish_reason: Option<FinishReason>,
pub finish_details: Option<FinishDetails>,
}
#[derive(Debug, Deserialize)]
pub struct ChatCompletionResponse {
pub id: String,
pub object: String,
pub created: i64,
pub model: String,
pub choices: Vec<ChatCompletionChoice>,
pub usage: common::Usage,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct Function {
pub name: String,
#[serde(skip_serializing_if = "Option::is_none")]
pub description: Option<String>,
pub parameters: FunctionParameters,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "lowercase")]
pub enum JSONSchemaType {
Object,
Number,
String,
Array,
Null,
Boolean,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct JSONSchemaDefine {
#[serde(rename = "type")]
pub schema_type: Option<JSONSchemaType>,
#[serde(skip_serializing_if = "Option::is_none")]
pub description: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub enum_values: Option<Vec<String>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub properties: Option<HashMap<String, Box<JSONSchemaDefine>>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub required: Option<Vec<String>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub items: Option<Box<JSONSchemaDefine>>,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct FunctionParameters {
#[serde(rename = "type")]
pub schema_type: JSONSchemaType,
#[serde(skip_serializing_if = "Option::is_none")]
pub properties: Option<HashMap<String, Box<JSONSchemaDefine>>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub required: Option<Vec<String>>,
}
#[derive(Debug, Serialize, Deserialize)]
#[allow(non_camel_case_types)]
pub enum FinishReason {
stop,
length,
function_call,
content_filter,
null,
}
#[derive(Debug, Serialize, Deserialize)]
#[allow(non_camel_case_types)]
pub struct FinishDetails {
pub r#type: FinishReason,
pub stop: String,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct FunctionCall {
#[serde(skip_serializing_if = "Option::is_none")]
pub name: Option<String>,
#[serde(skip_serializing_if = "Option::is_none")]
pub arguments: Option<String>,
}
fn serialize_function_call<S>(
value: &Option<FunctionCallType>,
serializer: S,
) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
match value {
Some(FunctionCallType::None) => serializer.serialize_str("none"),
Some(FunctionCallType::Auto) => serializer.serialize_str("auto"),
Some(FunctionCallType::Function { name }) => {
let mut map = serializer.serialize_map(Some(1))?;
map.serialize_entry("name", name)?;
map.end()
}
None => serializer.serialize_none(),
}
}