chat_gemini/api/
completion.rs1use crate::api::types::error::handle_gemini_error;
2use crate::api::types::request::GeminiRequest;
3use crate::api::types::response::GeminiCompletionResponse;
4use crate::client::GeminiClient;
5use chat_core::error::{ChatError, ChatFailure};
6use chat_core::traits::CompletionProvider;
7use chat_core::types::provider_meta::ProviderMeta;
8use chat_core::types::messages::Messages;
9use chat_core::types::options::ChatOptions;
10use chat_core::types::response::ChatResponse;
11use tools_rs::ToolCollection;
12
13#[async_trait::async_trait]
14impl CompletionProvider for GeminiClient {
15 async fn complete(
16 &mut self,
17 messages: &mut Messages,
18 tools: Option<&ToolCollection>,
19 options: Option<&ChatOptions>,
20 structured_output: Option<&schemars::Schema>,
21 ) -> Result<ChatResponse, ChatFailure> {
22 let url = format!(
23 "https://generativelanguage.googleapis.com/v1beta/models/{}:generateContent",
24 self.model_name
25 );
26
27 let request_body = GeminiRequest::from_core(
28 messages,
29 tools,
30 Some(self.native_tools.as_slice()),
31 self.function_config.as_ref(),
32 options,
33 structured_output,
34 self.include_thoughts,
35 )
36 .map_err(ChatFailure::from_err)?;
37
38 let res = self
39 .http_client
40 .post(&url)
41 .header("x-goog-api-key", &self.api_key)
42 .json(&request_body)
43 .send()
44 .await
45 .map_err(|e| ChatFailure::from_err(ChatError::Network(e.to_string())))?;
46
47 let res = handle_gemini_error(res).await?;
48
49 let gemini_data: GeminiCompletionResponse = res
50 .json()
51 .await
52 .map_err(|e| ChatFailure::from_err(ChatError::InvalidResponse(e.to_string())))?;
53
54 gemini_data
55 .into_core_chat_response()
56 .map_err(ChatFailure::from_err)
57 }
58
59 fn metadata(&self) -> Option<&ProviderMeta> {
60 Some(&self.meta)
61 }
62}