Minor frontend improvements, feature to create calendar

crates/frontend/src/routes/calendar.rs

@@ -3,14 +3,16 @@ use std::sync::Arc;
 use askama::Template;
 use askama_web::WebTemplate;
 use axum::{
-    Extension,
+    Extension, Form,
     extract::Path,
     response::{IntoResponse, Redirect, Response},
 };
 use axum_extra::TypedHeader;
 use headers::Referer;
 use http::StatusCode;
+use rustical_ical::CalendarObjectType;
 use rustical_store::{Calendar, CalendarStore, auth::User};
+use serde::{Deserialize, Deserializer};
 
 #[derive(Template, WebTemplate)]
 #[template(path = "pages/calendar.html")]
@@ -32,6 +34,82 @@ pub async fn route_calendar<C: CalendarStore>(
     .into_response())
 }
 
+fn empty_to_none<'de, D>(deserializer: D) -> Result<Option<String>, D::Error>
+where
+    D: Deserializer<'de>,
+{
+    let val: Option<String> = Deserialize::deserialize(deserializer)?;
+    Ok(val.filter(|val| !val.is_empty()))
+}
+
+#[derive(Deserialize, Clone)]
+pub struct PutCalendarForm {
+    id: String,
+    #[serde(deserialize_with = "empty_to_none")]
+    displayname: Option<String>,
+    #[serde(deserialize_with = "empty_to_none")]
+    description: Option<String>,
+    #[serde(deserialize_with = "empty_to_none")]
+    color: Option<String>,
+    #[serde(deserialize_with = "empty_to_none")]
+    subscription_url: Option<String>,
+    comp_event: Option<String>,
+    comp_todo: Option<String>,
+    comp_journal: Option<String>,
+}
+
+pub async fn route_create_calendar<C: CalendarStore>(
+    Path(owner): Path<String>,
+    Extension(store): Extension<Arc<C>>,
+    user: User,
+    Form(PutCalendarForm {
+        id,
+        displayname,
+        description,
+        color,
+        subscription_url,
+        comp_event,
+        comp_todo,
+        comp_journal,
+    }): Form<PutCalendarForm>,
+) -> Result<Response, rustical_store::Error> {
+    if !user.is_principal(&owner) {
+        return Ok(StatusCode::UNAUTHORIZED.into_response());
+    }
+
+    assert!(!id.is_empty());
+
+    let mut comps = vec![];
+    if comp_event.is_some() {
+        comps.push(CalendarObjectType::Event);
+    }
+    if comp_todo.is_some() {
+        comps.push(CalendarObjectType::Todo);
+    }
+    if comp_journal.is_some() {
+        comps.push(CalendarObjectType::Journal);
+    }
+
+    let cal = Calendar {
+        id: id.to_owned(),
+        displayname,
+        description,
+        color,
+        subscription_url,
+        principal: user.id,
+        components: comps,
+        order: 0,
+        timezone_id: None,
+        timezone: None,
+        synctoken: 0,
+        deleted_at: None,
+        push_topic: uuid::Uuid::new_v4().to_string(),
+    };
+
+    store.insert_calendar(cal).await?;
+    Ok(Redirect::to(&id).into_response())
+}
+
 pub async fn route_calendar_restore<CS: CalendarStore>(
     Path((owner, cal_id)): Path<(String, String)>,
     Extension(store): Extension<Arc<CS>>,