api(deltachat-jsonrpc): return vcard contact directly in MessageObject

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

@@ -89,7 +89,7 @@ impl ContactObject {
     }
 }
 
-#[derive(Serialize, TypeDef, schemars::JsonSchema)]
+#[derive(Clone, Serialize, TypeDef, schemars::JsonSchema)]
 #[serde(rename_all = "camelCase")]
 pub struct VcardContact {
     /// Email address.

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

@@ -1,3 +1,4 @@
+use crate::api::VcardContact;
 use anyhow::{Context as _, Result};
 use deltachat::chat::Chat;
 use deltachat::chat::ChatItem;
@@ -87,6 +88,8 @@ pub struct MessageObject {
     download_state: DownloadState,
 
     reactions: Option<JSONRPCReactions>,
+
+    vcard_contact: Option<VcardContact>,
 }
 
 #[derive(Serialize, TypeDef, schemars::JsonSchema)]
@@ -173,6 +176,13 @@ impl MessageObject {
             Some(reactions.into())
         };
 
+        let vcard_contacts: Vec<VcardContact> = message
+            .vcard_contacts(context)
+            .await?
+            .into_iter()
+            .map(Into::into)
+            .collect();
+
         Ok(MessageObject {
             id: msg_id.to_u32(),
             chat_id: message.get_chat_id().to_u32(),
@@ -232,6 +242,8 @@ impl MessageObject {
             download_state,
 
             reactions,
+
+            vcard_contact: vcard_contacts.first().cloned(),
         })
     }
 }

src/message.rs

@@ -4,6 +4,7 @@ use std::collections::BTreeSet;
 use std::path::{Path, PathBuf};
 
 use anyhow::{ensure, format_err, Context as _, Result};
+use deltachat_contact_tools::{parse_vcard, VcardContact};
 use deltachat_derive::{FromSql, ToSql};
 use serde::{Deserialize, Serialize};
 use tokio::{fs, io};
@@ -607,6 +608,20 @@ impl Message {
         self.param.get_path(Param::File, context).unwrap_or(None)
     }
 
+    /// Returns vector of vcards if the file has a vCard attachment.
+    pub async fn vcard_contacts(&self, context: &Context) -> Result<Vec<VcardContact>> {
+        if self.viewtype != Viewtype::Vcard {
+            return Ok(Vec::new());
+        }
+
+        let path = self
+            .get_file(context)
+            .context("vCard message does not have an attachment")?;
+        let bytes = tokio::fs::read(path).await?;
+        let vcard_contents = std::str::from_utf8(&bytes).context("vCard is not a valid UTF-8")?;
+        Ok(parse_vcard(vcard_contents))
+    }
+
     /// Save file copy at the user-provided path.
     pub async fn save_file(&self, context: &Context, path: &Path) -> Result<()> {
         let path_src = self.get_file(context).context("No file")?;