Implement RFC 5545-compliant calendar system with v2 API
This major refactor eliminates manual string parsing throughout the codebase and introduces proper RFC 5545 iCalendar specification compliance with significant code simplification benefits. ## Backend Improvements - Add complete RFC 5545-compliant data structures (VEvent, VTodo, etc.) - Create simplified v2 API endpoints with direct DateTime support - Eliminate ~150 lines of manual string parsing in handlers - Add structured attendee and alarm support - Maintain backward compatibility with existing v1 APIs ## Frontend Improvements - Replace 16+ parameter create_event calls with single structured request - Add automatic date/time conversion in EventCreationData - Eliminate enum-to-string conversions throughout event creation - Add v2 API models with proper type safety ## Technical Benefits - Direct DateTime<Utc> usage instead of error-prone string parsing - Proper RFC 5545 compliance with DTSTAMP, SEQUENCE fields - Vec<AttendeeV2> instead of comma-separated strings - Structured alarm system with multiple reminder types - Enhanced RRULE support for complex recurrence patterns ## Code Quality - Reduced create_event call from 16 parameters to 1 structured request - Added comprehensive integration plan documentation - Both backend and frontend compile successfully - Maintained full backward compatibility during transition 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Connor Johnstone
@@ -7,7 +7,7 @@ use serde::Deserialize;
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use std::sync::Arc;
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use chrono::{Datelike, TimeZone};
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use crate::{AppState, models::{CalDAVLoginRequest, AuthResponse, ApiError, UserInfo, CalendarInfo, CreateCalendarRequest, CreateCalendarResponse, DeleteCalendarRequest, DeleteCalendarResponse, DeleteEventRequest, DeleteEventResponse, CreateEventRequest, CreateEventResponse, UpdateEventRequest, UpdateEventResponse}};
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use crate::{AppState, models::{CalDAVLoginRequest, AuthResponse, ApiError, UserInfo, CalendarInfo, CreateCalendarRequest, CreateCalendarResponse, DeleteCalendarRequest, DeleteCalendarResponse, DeleteEventRequest, DeleteEventResponse, CreateEventRequest, CreateEventResponse, UpdateEventRequest, UpdateEventResponse}, models_v2::{CreateEventRequestV2, CreateEventResponseV2, UpdateEventRequestV2, UpdateEventResponseV2, DeleteEventRequestV2, DeleteEventResponseV2, DeleteActionV2}};
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use crate::calendar::{CalDAVClient, CalendarEvent};
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#[derive(Deserialize)]
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@@ -374,6 +374,162 @@ async fn fetch_event_by_href(client: &CalDAVClient, calendar_path: &str, event_h
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Ok(None)
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}
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/// Delete event using v2 API with enum-based delete actions
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pub async fn delete_event_v2(
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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Json(request): Json<DeleteEventRequestV2>,
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) -> Result<Json<DeleteEventResponseV2>, ApiError> {
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println!("🗑️ Delete event v2 request received: calendar_path='{}', event_href='{}', action={:?}",
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request.calendar_path, request.event_href, request.delete_action);
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// Extract and verify token
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let token = extract_bearer_token(&headers)?;
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let password = extract_password_header(&headers)?;
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// Validate request
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if request.calendar_path.trim().is_empty() {
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return Err(ApiError::BadRequest("Calendar path is required".to_string()));
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}
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if request.event_href.trim().is_empty() {
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return Err(ApiError::BadRequest("Event href is required".to_string()));
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}
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// Create CalDAV config from token and password
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let config = state.auth_service.caldav_config_from_token(&token, &password)?;
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let client = CalDAVClient::new(config);
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// Handle different delete actions
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match request.delete_action {
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DeleteActionV2::DeleteThis => {
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// Add EXDATE to exclude this specific occurrence
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if let Some(occurrence_date) = request.occurrence_date {
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println!("🔄 Adding EXDATE for occurrence: {}", occurrence_date);
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// First, fetch the current event to get its data
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match fetch_event_by_href(&client, &request.calendar_path, &request.event_href).await {
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Ok(Some(mut event)) => {
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// Check if it has recurrence rule
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if event.recurrence_rule.is_some() {
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// Calculate the exact datetime for this occurrence by using the original event's time
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let original_time = event.start.time();
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let occurrence_datetime = occurrence_date.date_naive().and_time(original_time);
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let exception_utc = chrono::Utc.from_utc_datetime(&occurrence_datetime);
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println!("🔄 Original event start: {}", event.start);
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println!("🔄 Occurrence date: {}", occurrence_date);
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println!("🔄 Calculated EXDATE: {}", exception_utc);
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// Add the exception date
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event.exception_dates.push(exception_utc);
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// Update the event with the new EXDATE
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client.update_event(&request.calendar_path, &event, &request.event_href)
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to update event with EXDATE: {}", e)))?;
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Ok(Json(DeleteEventResponseV2 {
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success: true,
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message: "Individual occurrence excluded from series successfully".to_string(),
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}))
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} else {
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// Not a recurring event, just delete it completely
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client.delete_event(&request.calendar_path, &request.event_href)
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to delete event: {}", e)))?;
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Ok(Json(DeleteEventResponseV2 {
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success: true,
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message: "Event deleted successfully".to_string(),
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}))
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}
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},
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Ok(None) => Err(ApiError::NotFound("Event not found".to_string())),
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Err(e) => Err(ApiError::Internal(format!("Failed to fetch event: {}", e))),
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}
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} else {
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Err(ApiError::BadRequest("Occurrence date is required for 'delete_this' action".to_string()))
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}
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},
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DeleteActionV2::DeleteFollowing => {
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// Modify RRULE to end before the selected occurrence
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if let Some(occurrence_date) = request.occurrence_date {
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println!("🔄 Modifying RRULE to end before: {}", occurrence_date);
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// First, fetch the current event to get its data
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match fetch_event_by_href(&client, &request.calendar_path, &request.event_href).await {
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Ok(Some(mut event)) => {
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// Check if it has recurrence rule
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if let Some(ref rrule) = event.recurrence_rule {
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// Calculate the datetime for the occurrence we want to stop before
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let original_time = event.start.time();
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let occurrence_datetime = occurrence_date.date_naive().and_time(original_time);
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let occurrence_utc = chrono::Utc.from_utc_datetime(&occurrence_datetime);
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// UNTIL should be the last occurrence we want to keep (day before the selected occurrence)
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let until_date = occurrence_utc - chrono::Duration::days(1);
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let until_str = until_date.format("%Y%m%dT%H%M%SZ").to_string();
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println!("🔄 Original event start: {}", event.start);
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println!("🔄 Occurrence to stop before: {}", occurrence_utc);
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println!("🔄 UNTIL date (last to keep): {}", until_date);
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println!("🔄 UNTIL string: {}", until_str);
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println!("🔄 Original RRULE: {}", rrule);
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// Modify the RRULE to add UNTIL clause
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let new_rrule = if rrule.contains("UNTIL=") {
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// Replace existing UNTIL
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regex::Regex::new(r"UNTIL=[^;]+").unwrap().replace(rrule, &format!("UNTIL={}", until_str)).to_string()
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} else {
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// Add UNTIL clause
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format!("{};UNTIL={}", rrule, until_str)
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};
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println!("🔄 New RRULE: {}", new_rrule);
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event.recurrence_rule = Some(new_rrule);
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// Update the event with the modified RRULE
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client.update_event(&request.calendar_path, &event, &request.event_href)
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to update event with modified RRULE: {}", e)))?;
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Ok(Json(DeleteEventResponseV2 {
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success: true,
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message: "Following occurrences removed from series successfully".to_string(),
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}))
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} else {
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// Not a recurring event, just delete it completely
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client.delete_event(&request.calendar_path, &request.event_href)
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to delete event: {}", e)))?;
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Ok(Json(DeleteEventResponseV2 {
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success: true,
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message: "Event deleted successfully".to_string(),
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}))
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}
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},
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Ok(None) => Err(ApiError::NotFound("Event not found".to_string())),
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Err(e) => Err(ApiError::Internal(format!("Failed to fetch event: {}", e))),
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}
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} else {
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Err(ApiError::BadRequest("Occurrence date is required for 'delete_following' action".to_string()))
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}
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},
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DeleteActionV2::DeleteSeries => {
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// Delete the entire event/series (current default behavior)
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client.delete_event(&request.calendar_path, &request.event_href)
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to delete event: {}", e)))?;
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Ok(Json(DeleteEventResponseV2 {
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success: true,
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message: "Event series deleted successfully".to_string(),
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}))
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}
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}
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}
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pub async fn delete_event(
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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@@ -540,6 +696,142 @@ pub async fn delete_event(
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}
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}
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/// Create event using v2 API with direct DateTime support (no string parsing)
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pub async fn create_event_v2(
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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Json(request): Json<CreateEventRequestV2>,
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) -> Result<Json<CreateEventResponseV2>, ApiError> {
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println!("📝 Create event v2 request received: summary='{}', all_day={}, calendar_path={:?}",
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request.summary, request.all_day, request.calendar_path);
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// Extract and verify token
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let token = extract_bearer_token(&headers)?;
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let password = extract_password_header(&headers)?;
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// Validate request
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if request.summary.trim().is_empty() {
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return Err(ApiError::BadRequest("Event summary is required".to_string()));
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}
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if request.summary.len() > 200 {
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return Err(ApiError::BadRequest("Event summary too long (max 200 characters)".to_string()));
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}
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// Create CalDAV config from token and password
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let config = state.auth_service.caldav_config_from_token(&token, &password)?;
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let client = CalDAVClient::new(config);
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// Determine which calendar to use
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let calendar_path = if let Some(path) = request.calendar_path {
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path
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} else {
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// Use the first available calendar
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let calendar_paths = client.discover_calendars()
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to discover calendars: {}", e)))?;
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if calendar_paths.is_empty() {
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return Err(ApiError::BadRequest("No calendars available for event creation".to_string()));
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}
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calendar_paths[0].clone()
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};
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// Validate that end is after start
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if let Some(end) = request.dtend {
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if end <= request.dtstart {
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return Err(ApiError::BadRequest("End date/time must be after start date/time".to_string()));
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}
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}
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// Generate a unique UID for the event
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let uid = format!("{}-{}", uuid::Uuid::new_v4(), chrono::Utc::now().timestamp());
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// Convert V2 enums to calendar module enums
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let status = match request.status.unwrap_or_default() {
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crate::models_v2::EventStatusV2::Tentative => crate::calendar::EventStatus::Tentative,
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crate::models_v2::EventStatusV2::Cancelled => crate::calendar::EventStatus::Cancelled,
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crate::models_v2::EventStatusV2::Confirmed => crate::calendar::EventStatus::Confirmed,
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};
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let class = match request.class.unwrap_or_default() {
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crate::models_v2::EventClassV2::Private => crate::calendar::EventClass::Private,
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crate::models_v2::EventClassV2::Confidential => crate::calendar::EventClass::Confidential,
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crate::models_v2::EventClassV2::Public => crate::calendar::EventClass::Public,
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};
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// Convert attendees from V2 to simple email list (for now)
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let attendees: Vec<String> = request.attendees.into_iter()
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.map(|att| att.email)
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.collect();
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// Convert alarms to reminders
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let reminders: Vec<crate::calendar::EventReminder> = request.alarms.into_iter()
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.map(|alarm| crate::calendar::EventReminder {
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minutes_before: -alarm.trigger_minutes, // Convert to positive minutes before
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action: match alarm.action {
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crate::models_v2::AlarmActionV2::Display => crate::calendar::ReminderAction::Display,
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crate::models_v2::AlarmActionV2::Email => crate::calendar::ReminderAction::Email,
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crate::models_v2::AlarmActionV2::Audio => crate::calendar::ReminderAction::Audio,
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},
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description: alarm.description,
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})
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.collect();
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// Create the CalendarEvent struct - much simpler now!
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let event = crate::calendar::CalendarEvent {
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uid,
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summary: Some(request.summary.clone()),
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description: request.description,
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start: request.dtstart,
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end: request.dtend,
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location: request.location,
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status,
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class,
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priority: request.priority,
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organizer: request.organizer,
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attendees,
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categories: request.categories,
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created: Some(chrono::Utc::now()),
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last_modified: Some(chrono::Utc::now()),
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recurrence_rule: request.rrule,
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exception_dates: Vec::new(), // No exception dates for new events
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all_day: request.all_day,
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reminders,
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etag: None,
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href: None,
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calendar_path: Some(calendar_path.clone()),
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};
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// Create the event on the CalDAV server
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let event_href = client.create_event(&calendar_path, &event)
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to create event: {}", e)))?;
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// Fetch the created event to get its details
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let created_event = fetch_event_by_href(&client, &calendar_path, &event_href)
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to fetch created event: {}", e)))?;
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let event_summary = created_event.map(|e| crate::models_v2::EventSummaryV2 {
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uid: e.uid,
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summary: e.summary,
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dtstart: e.start,
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dtend: e.end,
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location: e.location,
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all_day: e.all_day,
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href: e.href,
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etag: e.etag,
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});
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Ok(Json(CreateEventResponseV2 {
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success: true,
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message: "Event created successfully".to_string(),
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event: event_summary,
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}))
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}
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pub async fn create_event(
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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@@ -763,6 +1055,255 @@ pub async fn create_event(
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}))
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}
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/// Update event using v2 API with direct DateTime support (no string parsing)
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pub async fn update_event_v2(
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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Json(request): Json<UpdateEventRequestV2>,
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) -> Result<Json<UpdateEventResponseV2>, ApiError> {
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println!("🔄 Update event v2 request received: uid='{}', summary='{}', update_action={:?}",
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request.uid, request.summary, request.update_action);
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// Extract and verify token
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let token = extract_bearer_token(&headers)?;
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let password = extract_password_header(&headers)?;
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|
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// Validate request
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if request.uid.trim().is_empty() {
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return Err(ApiError::BadRequest("Event UID is required".to_string()));
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}
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if request.summary.trim().is_empty() {
|
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return Err(ApiError::BadRequest("Event summary is required".to_string()));
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}
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if request.summary.len() > 200 {
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return Err(ApiError::BadRequest("Event summary too long (max 200 characters)".to_string()));
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}
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// Create CalDAV config from token and password
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let config = state.auth_service.caldav_config_from_token(&token, &password)?;
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let client = CalDAVClient::new(config);
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// Find the event across all calendars (or in the specified calendar)
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let calendar_paths = if let Some(path) = &request.calendar_path {
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vec![path.clone()]
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} else {
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client.discover_calendars()
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.await
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.map_err(|e| ApiError::Internal(format!("Failed to discover calendars: {}", e)))?
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};
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|
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if calendar_paths.is_empty() {
|
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return Err(ApiError::BadRequest("No calendars available for event update".to_string()));
|
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}
|
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|
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// Validate that end is after start
|
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if let Some(end) = request.dtend {
|
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if end <= request.dtstart {
|
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return Err(ApiError::BadRequest("End date/time must be after start date/time".to_string()));
|
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}
|
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}
|
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|
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// Determine if this is a series update
|
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let search_uid = request.uid.clone();
|
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let is_series_update = request.update_action.as_deref() == Some("update_series");
|
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|
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// Search for the event by UID across the specified calendars
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let mut found_event: Option<(CalendarEvent, String, String)> = None; // (event, calendar_path, href)
|
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for calendar_path in &calendar_paths {
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// First try exact match
|
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match client.fetch_event_by_uid(calendar_path, &search_uid).await {
|
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Ok(Some(event)) => {
|
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if let Some(href) = event.href.clone() {
|
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found_event = Some((event, calendar_path.clone(), href));
|
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break;
|
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}
|
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},
|
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Ok(None) => {
|
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// If exact match fails, try to find by base UID pattern for recurring events
|
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println!("🔍 Exact match failed for '{}', searching by base UID pattern", search_uid);
|
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match client.fetch_events(calendar_path).await {
|
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Ok(events) => {
|
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for event in events {
|
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if let Some(href) = &event.href {
|
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if event.uid.starts_with(&search_uid) && event.uid != search_uid {
|
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println!("🎯 Found recurring event by pattern: '{}' matches '{}'", event.uid, search_uid);
|
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found_event = Some((event.clone(), calendar_path.clone(), href.clone()));
|
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break;
|
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}
|
||||
}
|
||||
}
|
||||
if found_event.is_some() {
|
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break;
|
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}
|
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},
|
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Err(e) => {
|
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eprintln!("Error fetching events from {}: {:?}", calendar_path, e);
|
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continue;
|
||||
}
|
||||
}
|
||||
},
|
||||
Err(e) => {
|
||||
eprintln!("Failed to fetch event from calendar {}: {}", calendar_path, e);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let (mut event, calendar_path, event_href) = found_event
|
||||
.ok_or_else(|| ApiError::NotFound(format!("Event with UID '{}' not found", search_uid)))?;
|
||||
|
||||
// Convert V2 enums to calendar module enums
|
||||
let status = match request.status.unwrap_or_default() {
|
||||
crate::models_v2::EventStatusV2::Tentative => crate::calendar::EventStatus::Tentative,
|
||||
crate::models_v2::EventStatusV2::Cancelled => crate::calendar::EventStatus::Cancelled,
|
||||
crate::models_v2::EventStatusV2::Confirmed => crate::calendar::EventStatus::Confirmed,
|
||||
};
|
||||
|
||||
let class = match request.class.unwrap_or_default() {
|
||||
crate::models_v2::EventClassV2::Private => crate::calendar::EventClass::Private,
|
||||
crate::models_v2::EventClassV2::Confidential => crate::calendar::EventClass::Confidential,
|
||||
crate::models_v2::EventClassV2::Public => crate::calendar::EventClass::Public,
|
||||
};
|
||||
|
||||
// Convert attendees from V2 to simple email list (for now)
|
||||
let attendees: Vec<String> = request.attendees.into_iter()
|
||||
.map(|att| att.email)
|
||||
.collect();
|
||||
|
||||
// Convert alarms to reminders
|
||||
let reminders: Vec<crate::calendar::EventReminder> = request.alarms.into_iter()
|
||||
.map(|alarm| crate::calendar::EventReminder {
|
||||
minutes_before: -alarm.trigger_minutes,
|
||||
action: match alarm.action {
|
||||
crate::models_v2::AlarmActionV2::Display => crate::calendar::ReminderAction::Display,
|
||||
crate::models_v2::AlarmActionV2::Email => crate::calendar::ReminderAction::Email,
|
||||
crate::models_v2::AlarmActionV2::Audio => crate::calendar::ReminderAction::Audio,
|
||||
},
|
||||
description: alarm.description,
|
||||
})
|
||||
.collect();
|
||||
|
||||
// Update the event fields with new data
|
||||
event.summary = Some(request.summary.clone());
|
||||
event.description = request.description;
|
||||
|
||||
// Handle date/time updates based on update type
|
||||
if is_series_update {
|
||||
// For series updates, only update the TIME, keep the original DATE
|
||||
let original_start_date = event.start.date_naive();
|
||||
let original_end_date = event.end.map(|e| e.date_naive()).unwrap_or(original_start_date);
|
||||
|
||||
let new_start_time = request.dtstart.time();
|
||||
let new_end_time = request.dtend.map(|dt| dt.time()).unwrap_or(new_start_time);
|
||||
|
||||
// Combine original date with new time
|
||||
let updated_start = original_start_date.and_time(new_start_time).and_utc();
|
||||
let updated_end = original_end_date.and_time(new_end_time).and_utc();
|
||||
|
||||
event.start = updated_start;
|
||||
event.end = Some(updated_end);
|
||||
} else {
|
||||
// For regular updates, update both date and time
|
||||
event.start = request.dtstart;
|
||||
event.end = request.dtend;
|
||||
}
|
||||
|
||||
event.location = request.location;
|
||||
event.status = status;
|
||||
event.class = class;
|
||||
event.priority = request.priority;
|
||||
event.organizer = request.organizer;
|
||||
event.attendees = attendees;
|
||||
event.categories = request.categories;
|
||||
event.last_modified = Some(chrono::Utc::now());
|
||||
event.all_day = request.all_day;
|
||||
event.reminders = reminders;
|
||||
|
||||
// Handle recurrence rule and UID for series updates
|
||||
if is_series_update {
|
||||
// For series updates, preserve existing recurrence rule and convert UID to base UID
|
||||
let parts: Vec<&str> = request.uid.split('-').collect();
|
||||
if parts.len() > 1 {
|
||||
let last_part = parts[parts.len() - 1];
|
||||
if last_part.chars().all(|c| c.is_numeric()) {
|
||||
let base_uid = parts[0..parts.len()-1].join("-");
|
||||
event.uid = base_uid;
|
||||
}
|
||||
}
|
||||
|
||||
// Handle exception dates
|
||||
if let Some(exception_dates) = request.exception_dates {
|
||||
let mut new_exception_dates = Vec::new();
|
||||
for date in exception_dates {
|
||||
new_exception_dates.push(date);
|
||||
}
|
||||
|
||||
// Merge with existing exception dates (avoid duplicates)
|
||||
for new_date in new_exception_dates {
|
||||
if !event.exception_dates.contains(&new_date) {
|
||||
event.exception_dates.push(new_date);
|
||||
}
|
||||
}
|
||||
|
||||
println!("🔄 Updated exception dates: {} total", event.exception_dates.len());
|
||||
}
|
||||
|
||||
// Handle UNTIL date modification for "This and Future Events"
|
||||
if let Some(until_date) = request.until_date {
|
||||
println!("🔄 Adding UNTIL clause to RRULE: {}", until_date);
|
||||
|
||||
if let Some(ref rrule) = event.recurrence_rule {
|
||||
// Remove existing UNTIL if present and add new one
|
||||
let rrule_without_until = rrule.split(';')
|
||||
.filter(|part| !part.starts_with("UNTIL="))
|
||||
.collect::<Vec<&str>>()
|
||||
.join(";");
|
||||
|
||||
let until_formatted = until_date.format("%Y%m%dT%H%M%SZ").to_string();
|
||||
|
||||
event.recurrence_rule = Some(format!("{};UNTIL={}", rrule_without_until, until_formatted));
|
||||
println!("🔄 Modified RRULE: {}", event.recurrence_rule.as_ref().unwrap());
|
||||
|
||||
// Clear exception dates since we're using UNTIL instead
|
||||
event.exception_dates.clear();
|
||||
println!("🔄 Cleared exception dates for UNTIL approach");
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// For regular updates, use the new recurrence rule
|
||||
event.recurrence_rule = request.rrule;
|
||||
}
|
||||
|
||||
// Update the event on the CalDAV server
|
||||
client.update_event(&calendar_path, &event, &event_href)
|
||||
.await
|
||||
.map_err(|e| ApiError::Internal(format!("Failed to update event: {}", e)))?;
|
||||
|
||||
// Fetch the updated event to return its details
|
||||
let updated_event = fetch_event_by_href(&client, &calendar_path, &event_href)
|
||||
.await
|
||||
.map_err(|e| ApiError::Internal(format!("Failed to fetch updated event: {}", e)))?;
|
||||
|
||||
let event_summary = updated_event.map(|e| crate::models_v2::EventSummaryV2 {
|
||||
uid: e.uid,
|
||||
summary: e.summary,
|
||||
dtstart: e.start,
|
||||
dtend: e.end,
|
||||
location: e.location,
|
||||
all_day: e.all_day,
|
||||
href: e.href,
|
||||
etag: e.etag,
|
||||
});
|
||||
|
||||
Ok(Json(UpdateEventResponseV2 {
|
||||
success: true,
|
||||
message: "Event updated successfully".to_string(),
|
||||
event: event_summary,
|
||||
}))
|
||||
}
|
||||
|
||||
pub async fn update_event(
|
||||
State(state): State<Arc<AppState>>,
|
||||
headers: HeaderMap,
|
||||
|
||||
Reference in New Issue
Block a user