Implement calendar deletion with right-click context menu

Added complete calendar deletion functionality including:
- Context menu component with right-click activation on calendar items
- Backend API endpoint for calendar deletion with CalDAV DELETE method
- Frontend integration with calendar list refresh after deletion
- Fixed URL construction to prevent double /dav.php path issue
- Added proper error handling and user feedback

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend/src/calendar.rs

@@ -658,6 +658,42 @@ impl CalDAVClient {
             Err(CalDAVError::ServerError(status.as_u16()))
         }
     }
+
+    /// Delete a calendar from the CalDAV server
+    pub async fn delete_calendar(&self, calendar_path: &str) -> Result<(), CalDAVError> {
+        let full_url = if calendar_path.starts_with("http") {
+            calendar_path.to_string()
+        } else {
+            // Handle case where calendar_path already contains /dav.php
+            let clean_path = if calendar_path.starts_with("/dav.php") {
+                calendar_path.trim_start_matches("/dav.php")
+            } else {
+                calendar_path
+            };
+            format!("{}{}", self.config.server_url.trim_end_matches('/'), clean_path)
+        };
+        
+        println!("Deleting calendar at: {}", full_url);
+        
+        let response = self.http_client
+            .delete(&full_url)
+            .header("Authorization", format!("Basic {}", self.config.get_basic_auth()))
+            .send()
+            .await
+            .map_err(|e| CalDAVError::ParseError(e.to_string()))?;
+
+        println!("Calendar deletion response status: {}", response.status());
+        
+        if response.status().is_success() || response.status().as_u16() == 204 {
+            println!("✅ Calendar deleted successfully at {}", calendar_path);
+            Ok(())
+        } else {
+            let status = response.status();
+            let error_body = response.text().await.unwrap_or_default();
+            println!("❌ Calendar deletion failed: {} - {}", status, error_body);
+            Err(CalDAVError::ServerError(status.as_u16()))
+        }
+    }
 }
 
 /// Helper struct for extracting calendar data from XML responses

backend/src/handlers.rs

@@ -7,7 +7,7 @@ use serde::Deserialize;
 use std::sync::Arc;
 use chrono::Datelike;
 
-use crate::{AppState, models::{CalDAVLoginRequest, AuthResponse, ApiError, UserInfo, CalendarInfo, CreateCalendarRequest, CreateCalendarResponse}};
+use crate::{AppState, models::{CalDAVLoginRequest, AuthResponse, ApiError, UserInfo, CalendarInfo, CreateCalendarRequest, CreateCalendarResponse, DeleteCalendarRequest, DeleteCalendarResponse}};
 use crate::calendar::{CalDAVClient, CalendarEvent};
 
 #[derive(Deserialize)]
@@ -292,4 +292,35 @@ pub async fn create_calendar(
         success: true,
         message: "Calendar created successfully".to_string(),
     }))
+}
+
+pub async fn delete_calendar(
+    State(state): State<Arc<AppState>>,
+    headers: HeaderMap,
+    Json(request): Json<DeleteCalendarRequest>,
+) -> Result<Json<DeleteCalendarResponse>, ApiError> {
+    println!("🗑️ Delete calendar request received: path='{}'", request.path);
+    
+    // Extract and verify token
+    let token = extract_bearer_token(&headers)?;
+    let password = extract_password_header(&headers)?;
+
+    // Validate request
+    if request.path.trim().is_empty() {
+        return Err(ApiError::BadRequest("Calendar path is required".to_string()));
+    }
+
+    // Create CalDAV config from token and password
+    let config = state.auth_service.caldav_config_from_token(&token, &password)?;
+    let client = CalDAVClient::new(config);
+
+    // Delete the calendar
+    client.delete_calendar(&request.path)
+        .await
+        .map_err(|e| ApiError::Internal(format!("Failed to delete calendar: {}", e)))?;
+
+    Ok(Json(DeleteCalendarResponse {
+        success: true,
+        message: "Calendar deleted successfully".to_string(),
+    }))
 }

backend/src/lib.rs

@@ -39,6 +39,7 @@ pub async fn run_server() -> Result<(), Box<dyn std::error::Error>> {
         .route("/api/auth/verify", get(handlers::verify_token))
         .route("/api/user/info", get(handlers::get_user_info))
         .route("/api/calendar/create", post(handlers::create_calendar))
+        .route("/api/calendar/delete", post(handlers::delete_calendar))
         .route("/api/calendar/events", get(handlers::get_calendar_events))
         .route("/api/calendar/events/:uid", get(handlers::refresh_event))
         .layer(

backend/src/models.rs

@@ -47,6 +47,17 @@ pub struct CreateCalendarResponse {
     pub message: String,
 }
 
+#[derive(Debug, Deserialize)]
+pub struct DeleteCalendarRequest {
+    pub path: String,
+}
+
+#[derive(Debug, Serialize)]
+pub struct DeleteCalendarResponse {
+    pub success: bool,
+    pub message: String,
+}
+
 // Error handling
 #[derive(Debug)]
 pub enum ApiError {