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use super::vertexai::{build_body, send_message, send_message_streaming};
use super::{Client, ExtraConfig, GeminiClient, Model, PromptType, SendData, TokensCountFactors};
use crate::{render::ReplyHandler, utils::PromptKind};
use anyhow::Result;
use async_trait::async_trait;
use reqwest::{Client as ReqwestClient, RequestBuilder};
use serde::Deserialize;
const API_BASE: &str = "https://generativelanguage.googleapis.com/v1beta/models/";
const MODELS: [(&str, usize, &str); 2] = [
// https://ai.google.dev/models/gemini
("gemini-pro", 30720, "text"),
("gemini-pro-vision", 12288, "vision"),
];
const TOKENS_COUNT_FACTORS: TokensCountFactors = (5, 2);
#[derive(Debug, Clone, Deserialize, Default)]
pub struct GeminiConfig {
pub name: Option<String>,
pub api_key: Option<String>,
pub extra: Option<ExtraConfig>,
}
#[async_trait]
impl Client for GeminiClient {
client_common_fns!();
async fn send_message_inner(&self, client: &ReqwestClient, data: SendData) -> Result<String> {
let builder = self.request_builder(client, data)?;
send_message(builder).await
}
async fn send_message_streaming_inner(
&self,
client: &ReqwestClient,
handler: &mut ReplyHandler,
data: SendData,
) -> Result<()> {
let builder = self.request_builder(client, data)?;
send_message_streaming(builder, handler).await
}
}
impl GeminiClient {
config_get_fn!(api_key, get_api_key);
pub const PROMPTS: [PromptType<'static>; 1] =
[("api_key", "API Key:", true, PromptKind::String)];
pub fn list_models(local_config: &GeminiConfig) -> Vec<Model> {
let client_name = Self::name(local_config);
MODELS
.into_iter()
.map(|(name, max_input_tokens, capabilities)| {
Model::new(client_name, name)
.set_capabilities(capabilities.into())
.set_max_input_tokens(Some(max_input_tokens))
.set_tokens_count_factors(TOKENS_COUNT_FACTORS)
})
.collect()
}
fn request_builder(&self, client: &ReqwestClient, data: SendData) -> Result<RequestBuilder> {
let api_key = self.get_api_key()?;
let func = match data.stream {
true => "streamGenerateContent",
false => "generateContent",
};
let body = build_body(data, self.model.name.clone())?;
let model = self.model.name.clone();
let url = format!("{API_BASE}{}:{}?key={}", model, func, api_key);
debug!("Gemini Request: {url} {body}");
let builder = client.post(url).json(&body);
Ok(builder)
}
}
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