stuff

src/domain/calendar/mod.rs

@@ -0,0 +1,292 @@
+use crate::domain::auth::Authenticator;
+use crate::error::{AppError, AppResult};
+use chrono::{DateTime, Duration, Utc};
+use reqwest::Client;
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+use tokio::sync::RwLock;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CalendarEvent {
+    pub id: Option<i64>,
+    pub name: String,
+    pub from: DateTime<Utc>,
+    pub to: DateTime<Utc>,
+    pub user_sub: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CreateEventRequest {
+    pub name: String,
+    pub from: String,
+    pub to: String,
+    pub user_sub: Option<String>,
+}
+struct TokenState {
+    access_token: String,
+    expires_at: DateTime<Utc>,
+}
+
+pub struct CalendarClient {
+    base_url: String,
+    client: Client,
+    authenticator: Arc<Authenticator>,
+    token_state: RwLock<Option<TokenState>>,
+}
+
+impl CalendarClient {
+    pub fn new(base_url: String, authenticator: Arc<Authenticator>) -> Self {
+        Self {
+            base_url: base_url.trim_end_matches('/').to_string(),
+            client: Client::new(),
+            authenticator,
+            token_state: RwLock::new(None),
+        }
+    }
+
+    async fn get_token(&self) -> AppResult<String> {
+        {
+            let state = self.token_state.read().await;
+            if let Some(token) = &*state {
+                if token.expires_at > Utc::now() + Duration::seconds(30) {
+                    tracing::debug!("Using cached Calendar API token");
+                    return Ok(token.access_token.clone());
+                }
+            }
+        }
+
+        let mut state = self.token_state.write().await;
+        // Double check after acquiring write lock
+        if let Some(token) = &*state {
+            if token.expires_at > Utc::now() + Duration::seconds(30) {
+                return Ok(token.access_token.clone());
+            }
+        }
+
+        tracing::info!("Refreshing Calendar API token via Client Credentials flow");
+        let token_data = self
+            .authenticator
+            .client_credentials("profile")
+            .await
+            .map_err(|e| AppError::Internal(format!("Failed to get client credentials: {}", e)))?;
+
+        let access_token = token_data["access_token"]
+            .as_str()
+            .ok_or_else(|| AppError::Internal("Missing access_token in response".into()))?
+            .to_string();
+
+        let expires_in = token_data["expires_in"].as_i64().unwrap_or(3600);
+
+        let expires_at = Utc::now() + Duration::seconds(expires_in);
+
+        *state = Some(TokenState {
+            access_token: access_token.clone(),
+            expires_at,
+        });
+
+        Ok(access_token)
+    }
+
+    pub async fn list_events(
+        &self,
+        user_sub: Option<String>,
+        upcoming: Option<bool>,
+    ) -> AppResult<Vec<CalendarEvent>> {
+        let token = self.get_token().await?;
+        let mut url = format!("{}/service/v1/events", self.base_url);
+        let mut params = Vec::new();
+        if let Some(uid) = &user_sub {
+            params.push(format!("user_sub={}", uid));
+        }
+        if let Some(u) = upcoming {
+            params.push(format!("upcoming={}", u));
+        }
+
+        if !params.is_empty() {
+            url.push_str("?");
+            url.push_str(&params.join("&"));
+        }
+
+        tracing::info!(method = "GET", %url, "Sending Calendar API request");
+
+        let res = self
+            .client
+            .get(&url)
+            .bearer_auth(token)
+            .send()
+            .await
+            .map_err(AppError::Network)?;
+
+        let status = res.status();
+        tracing::info!(%status, %url, "Received Calendar API response");
+
+        if !status.is_success() {
+            let error_body = res.text().await.unwrap_or_default();
+            tracing::error!(%status, %url, body = %error_body, "Calendar API request failed");
+            return Err(AppError::Internal(format!(
+                "Failed to list events: {} - {}",
+                status, error_body
+            )));
+        }
+
+        let body = res
+            .json()
+            .await
+            .map_err(|e| AppError::Internal(e.to_string()));
+        tracing::info!(%status, %url, body = ?body, "Received Calendar API response");
+        body
+    }
+
+    pub async fn create_event(
+        &self,
+        user_sub: Option<String>,
+        name: &str,
+        from: &str,
+        to: &str,
+    ) -> AppResult<CalendarEvent> {
+        let token = self.get_token().await?;
+        let url = format!("{}/service/v1/events", self.base_url);
+
+        let request = CreateEventRequest {
+            name: name.to_string(),
+            from: from.to_string(),
+            to: to.to_string(),
+            user_sub,
+        };
+
+        tracing::info!(method = "POST", %url, "Sending Calendar API request");
+
+        let res = self
+            .client
+            .post(&url)
+            .bearer_auth(token)
+            .json(&request)
+            .send()
+            .await
+            .map_err(AppError::Network)?;
+
+        let status = res.status();
+        tracing::info!(%status, %url, "Received Calendar API response");
+
+        if !status.is_success() {
+            let error_body = res.text().await.unwrap_or_default();
+            tracing::error!(%status, %url, body = %error_body, "Calendar API request failed");
+            return Err(AppError::Internal(format!(
+                "Failed to create event: {} - {}",
+                status, error_body
+            )));
+        }
+
+        res.json()
+            .await
+            .map_err(|e| AppError::Internal(e.to_string()))
+    }
+
+    #[allow(dead_code)]
+    pub async fn get_event(&self, id: i32) -> AppResult<CalendarEvent> {
+        let token = self.get_token().await?;
+        let url = format!("{}/service/v1/events/{}", self.base_url, id);
+        tracing::info!(method = "GET", %url, "Sending Calendar API request");
+
+        let res = self
+            .client
+            .get(&url)
+            .bearer_auth(token)
+            .send()
+            .await
+            .map_err(AppError::Network)?;
+
+        let status = res.status();
+        tracing::info!(%status, %url, "Received Calendar API response");
+
+        if !status.is_success() {
+            let error_body = res.text().await.unwrap_or_default();
+            tracing::error!(%status, %url, body = %error_body, "Calendar API request failed");
+            return Err(AppError::Internal(format!(
+                "Failed to get event: {} - {}",
+                status, error_body
+            )));
+        }
+
+        res.json()
+            .await
+            .map_err(|e| AppError::Internal(e.to_string()))
+    }
+
+    #[allow(dead_code)]
+    pub async fn update_event(
+        &self,
+        id: i32,
+        user_sub: Option<String>,
+        name: &str,
+        from: &str,
+        to: &str,
+    ) -> AppResult<CalendarEvent> {
+        let token = self.get_token().await?;
+        let url = format!("{}/service/v1/events/{}", self.base_url, id);
+
+        let request = CreateEventRequest {
+            name: name.to_string(),
+            from: from.to_string(),
+            to: to.to_string(),
+            user_sub,
+        };
+
+        tracing::info!(method = "PUT", %url, "Sending Calendar API request");
+
+        let res = self
+            .client
+            .put(&url)
+            .bearer_auth(token)
+            .json(&request)
+            .send()
+            .await
+            .map_err(AppError::Network)?;
+
+        let status = res.status();
+        tracing::info!(%status, %url, "Received Calendar API response");
+
+        if !status.is_success() {
+            let error_body = res.text().await.unwrap_or_default();
+            tracing::error!(%status, %url, body = %error_body, "Calendar API request failed");
+            return Err(AppError::Internal(format!(
+                "Failed to update event: {} - {}",
+                status, error_body
+            )));
+        }
+
+        res.json()
+            .await
+            .map_err(|e| AppError::Internal(e.to_string()))
+    }
+
+    #[allow(dead_code)]
+    pub async fn delete_event(&self, id: i32) -> AppResult<()> {
+        let token = self.get_token().await?;
+        let url = format!("{}/service/v1/events/{}", self.base_url, id);
+
+        tracing::info!(method = "DELETE", %url, "Sending Calendar API request");
+
+        let res = self
+            .client
+            .delete(&url)
+            .bearer_auth(token)
+            .send()
+            .await
+            .map_err(AppError::Network)?;
+
+        let status = res.status();
+        tracing::info!(%status, %url, "Received Calendar API response");
+
+        if !status.is_success() {
+            let error_body = res.text().await.unwrap_or_default();
+            tracing::error!(%status, %url, body = %error_body, "Calendar API request failed");
+            return Err(AppError::Internal(format!(
+                "Failed to delete event: {} - {}",
+                status, error_body
+            )));
+        }
+
+        Ok(())
+    }
+}