api: Add Viewtype::Vcard (#5202)

Co-authored-by: Hocuri <hocuri@gmx.de>

deltachat-jsonrpc/src/api.rs

@@ -1431,7 +1431,7 @@ impl CommandApi {
     async fn parse_vcard(&self, path: String) -> Result<Vec<VcardContact>> {
         let vcard = tokio::fs::read(Path::new(&path)).await?;
         let vcard = str::from_utf8(&vcard)?;
-        Ok(deltachat_contact_tools::parse_vcard(vcard)?
+        Ok(deltachat_contact_tools::parse_vcard(vcard)
             .into_iter()
             .map(|c| c.into())
             .collect())

deltachat-jsonrpc/src/api/types/contact.rs

@@ -94,6 +94,7 @@ impl ContactObject {
 pub struct VcardContact {
     /// Email address.
     addr: String,
+    /// The contact's name, or the email address if no name was given.
     display_name: String,
     /// Public PGP key in Base64.
     key: Option<String>,

deltachat-jsonrpc/src/api/types/message.rs

@@ -274,6 +274,11 @@ pub enum MessageViewtype {
 
     /// Message is an webxdc instance.
     Webxdc,
+
+    /// Message containing shared contacts represented as a vCard (virtual contact file)
+    /// with email addresses and possibly other fields.
+    /// Use `parse_vcard()` to retrieve them.
+    Vcard,
 }
 
 impl From<Viewtype> for MessageViewtype {
@@ -290,6 +295,7 @@ impl From<Viewtype> for MessageViewtype {
             Viewtype::File => MessageViewtype::File,
             Viewtype::VideochatInvitation => MessageViewtype::VideochatInvitation,
             Viewtype::Webxdc => MessageViewtype::Webxdc,
+            Viewtype::Vcard => MessageViewtype::Vcard,
         }
     }
 }
@@ -308,6 +314,7 @@ impl From<MessageViewtype> for Viewtype {
             MessageViewtype::File => Viewtype::File,
             MessageViewtype::VideochatInvitation => Viewtype::VideochatInvitation,
             MessageViewtype::Webxdc => Viewtype::Webxdc,
+            MessageViewtype::Vcard => Viewtype::Vcard,
         }
     }
 }