1mod library;
2mod search;
3mod settings;
4mod sources;
5mod workspace;
6
7use std::{sync::Arc, time::Duration};
8
9use context69_contracts::{ApiErrorResponse, AuthMeResponse, HealthResponse};
10use reqwest::{
11 Method, RequestBuilder, Response, Url,
12 header::{AUTHORIZATION, USER_AGENT},
13 multipart::{Form, Part},
14};
15use tokio::sync::RwLock;
16use uuid::Uuid;
17
18use crate::Error;
19
20pub(crate) const PERSONAL_ACCESS_TOKEN_PREFIX: &str = "ctx_pat_";
21
22#[derive(Debug, Clone, Default)]
23struct SessionState {
24 personal_access_token: Option<String>,
25}
26
27#[derive(Clone)]
28pub struct Context69Client {
29 client: reqwest::Client,
30 base_url: Url,
31 session: Arc<RwLock<SessionState>>,
32}
33
34#[derive(Debug)]
35pub struct Context69ClientBuilder {
36 base_url: Option<Url>,
37 user_agent: Option<String>,
38 timeout: Option<Duration>,
39 personal_access_token: Option<String>,
40}
41
42impl Context69Client {
43 pub fn builder() -> Context69ClientBuilder {
44 Context69ClientBuilder {
45 base_url: None,
46 user_agent: None,
47 timeout: None,
48 personal_access_token: None,
49 }
50 }
51
52 pub fn with_personal_access_token(
53 &self,
54 token: impl Into<String>,
55 ) -> Result<Context69Client, Error> {
56 Ok(Context69Client {
57 client: self.client.clone(),
58 base_url: self.base_url.clone(),
59 session: Arc::new(RwLock::new(SessionState {
60 personal_access_token: Some(validate_personal_access_token(token.into())?),
61 })),
62 })
63 }
64
65 pub async fn me(&self) -> Result<AuthMeResponse, Error> {
66 self.execute_json(self.authorized_request(Method::GET, "/v1/auth/me").await?)
67 .await
68 }
69
70 pub async fn healthz(&self) -> Result<HealthResponse, Error> {
71 let response = self.client.get(self.url("/healthz")?).send().await?;
72 self.read_json_response(response).await
73 }
74
75 pub(crate) async fn authorized_request(
76 &self,
77 method: Method,
78 path: &str,
79 ) -> Result<RequestBuilder, Error> {
80 let personal_access_token = self
81 .session
82 .read()
83 .await
84 .personal_access_token
85 .clone()
86 .ok_or(Error::AuthenticationRequired)?;
87 Ok(self
88 .client
89 .request(method, self.url(path)?)
90 .header(AUTHORIZATION, format!("Bearer {personal_access_token}")))
91 }
92
93 pub(crate) fn url(&self, path: &str) -> Result<Url, Error> {
94 self.base_url
95 .join(path.trim_start_matches('/'))
96 .map_err(|source| Error::UrlJoin {
97 path: path.to_string(),
98 source,
99 })
100 }
101
102 pub(crate) async fn execute_json<T: serde::de::DeserializeOwned>(
103 &self,
104 request: RequestBuilder,
105 ) -> Result<T, Error> {
106 self.read_json_response(request.send().await?).await
107 }
108
109 pub(crate) async fn execute_empty(&self, request: RequestBuilder) -> Result<(), Error> {
110 self.read_empty_response(request.send().await?).await
111 }
112
113 async fn read_empty_response(&self, response: Response) -> Result<(), Error> {
114 let status = response.status();
115 if status.is_success() {
116 return Ok(());
117 }
118 Err(self.build_http_error(response).await)
119 }
120
121 async fn read_json_response<T: serde::de::DeserializeOwned>(
122 &self,
123 response: Response,
124 ) -> Result<T, Error> {
125 let status = response.status();
126 if !status.is_success() {
127 return Err(self.build_http_error(response).await);
128 }
129 Ok(response.json::<T>().await?)
130 }
131
132 async fn build_http_error(&self, response: Response) -> Error {
133 let status = response.status();
134 let body = response.text().await.unwrap_or_default();
135 Error::HttpStatus {
136 status,
137 api_error: parse_api_error_message(&body),
138 body,
139 }
140 }
141}
142
143impl Context69ClientBuilder {
144 pub fn base_url(mut self, base_url: &str) -> Result<Self, Error> {
145 let mut url =
146 Url::parse(base_url).map_err(|_| Error::InvalidBaseUrl(base_url.to_string()))?;
147 if !url.path().ends_with('/') {
148 let next_path = format!("{}/", url.path());
149 url.set_path(&next_path);
150 }
151 self.base_url = Some(url);
152 Ok(self)
153 }
154
155 pub fn user_agent(mut self, user_agent: impl Into<String>) -> Self {
156 self.user_agent = Some(user_agent.into());
157 self
158 }
159
160 pub fn timeout(mut self, timeout: Duration) -> Result<Self, Error> {
161 if timeout.is_zero() {
162 return Err(Error::InvalidTimeout(timeout));
163 }
164 self.timeout = Some(timeout);
165 Ok(self)
166 }
167
168 pub fn with_personal_access_token(mut self, token: impl Into<String>) -> Result<Self, Error> {
169 self.personal_access_token = Some(validate_personal_access_token(token.into())?);
170 Ok(self)
171 }
172
173 pub fn build(self) -> Result<Context69Client, Error> {
174 let base_url = self
175 .base_url
176 .ok_or_else(|| Error::InvalidBaseUrl("missing base_url".to_string()))?;
177 let mut builder = reqwest::Client::builder();
178 if let Some(user_agent) = self.user_agent {
179 builder = builder.default_headers({
180 let mut headers = reqwest::header::HeaderMap::new();
181 headers.insert(
182 USER_AGENT,
183 user_agent
184 .parse()
185 .map_err(|_| Error::InvalidHeader(user_agent.clone()))?,
186 );
187 headers
188 });
189 }
190 if let Some(timeout) = self.timeout {
191 builder = builder.timeout(timeout);
192 }
193 let client = builder.build()?;
194 Ok(Context69Client {
195 client,
196 base_url,
197 session: Arc::new(RwLock::new(SessionState {
198 personal_access_token: self.personal_access_token,
199 })),
200 })
201 }
202}
203
204pub(crate) fn file_upload_form(folder_id: Option<Uuid>, files: Vec<Part>) -> Form {
205 let mut form = Form::new();
206 if let Some(folder_id) = folder_id {
207 form = form.text("folder_id", folder_id.to_string());
208 }
209 for file in files {
210 form = form.part("files", file);
211 }
212 form
213}
214
215pub(crate) fn validate_personal_access_token(token: String) -> Result<String, Error> {
216 let trimmed = token.trim();
217 if trimmed.is_empty() {
218 return Err(Error::InvalidPersonalAccessToken(
219 "personal access token must not be empty".to_string(),
220 ));
221 }
222 if !trimmed.starts_with(PERSONAL_ACCESS_TOKEN_PREFIX) {
223 return Err(Error::InvalidPersonalAccessToken(
224 "expected personal access token with ctx_pat_ prefix".to_string(),
225 ));
226 }
227 Ok(trimmed.to_string())
228}
229
230pub(crate) fn parse_api_error_message(body: &str) -> Option<String> {
231 serde_json::from_str::<ApiErrorResponse>(body)
232 .ok()
233 .map(|value| value.error)
234}
235
236#[cfg(test)]
237mod tests;