Implemented add_item for remote calendars

src/calendar/remote_calendar.rs

@@ -3,7 +3,7 @@ use std::error::Error;
 use std::sync::Mutex;
 
 use async_trait::async_trait;
-use reqwest::header::CONTENT_TYPE;
+use reqwest::{header::CONTENT_TYPE, header::CONTENT_LENGTH};
 
 use crate::traits::BaseCalendar;
 use crate::traits::DavCalendar;
@@ -49,8 +49,28 @@ impl BaseCalendar for RemoteCalendar {
     }
 
     /// Add an item into this calendar
-    async fn add_item(&mut self, _item: Item) -> Result<SyncStatus, Box<dyn Error>> {
-        todo!()
+    async fn add_item(&mut self, item: Item) -> Result<SyncStatus, Box<dyn Error>> {
+        let ical_text = crate::ical::build_from(&item)?;
+
+        let request = reqwest::Client::new()
+            .put(item.id().as_url().clone())
+            .header("If-None-Match", "*")
+            .header(CONTENT_TYPE, "text/calendar")
+            .header(CONTENT_LENGTH, ical_text.len())
+            .basic_auth(self.resource.username(), Some(self.resource.password()))
+            .body(ical_text)
+            .send()
+            .await?;
+
+        let reply_hdrs = request.headers();
+        match reply_hdrs.get("ETag") {
+            None => Err(format!("No ETag in these response headers: {:?} (request was {:?})", reply_hdrs, item.id()).into()),
+            Some(etag) => {
+                let vtag_str = etag.to_str()?;
+                let vtag = VersionTag::from(String::from(vtag_str));
+                Ok(SyncStatus::Synced(vtag))
+            }
+        }
     }
 }