web & server: add support for email photos

server/src/nm.rs

@@ -9,6 +9,8 @@ use log::{error, info, warn};
 use mailparse::{parse_content_type, parse_mail, MailHeader, MailHeaderMap, ParsedMail};
 use memmap::MmapOptions;
 use notmuch::Notmuch;
+use rocket::http::uri::error::PathError;
+use sqlx::PgPool;
 use tracing::instrument;
 
 use crate::{
@@ -147,6 +149,7 @@ pub fn tags(nm: &Notmuch, needs_unread: bool) -> Result<Vec<Tag>, ServerError> {
 #[instrument(name="nm::thread", skip_all, fields(thread_id=thread_id))]
 pub async fn thread(
     nm: &Notmuch,
+    pool: &PgPool,
     thread_id: String,
     debug_content_tree: bool,
 ) -> Result<Thread, ServerError> {
@@ -159,7 +162,7 @@ pub async fn thread(
         let mmap = unsafe { MmapOptions::new().map(&file)? };
         let m = parse_mail(&mmap)?;
         let from = email_addresses(&path, &m, "from")?;
-        let from = match from.len() {
+        let mut from = match from.len() {
             0 => None,
             1 => from.into_iter().next(),
             _ => {
@@ -171,6 +174,16 @@ pub async fn thread(
                 from.into_iter().next()
             }
         };
+        match from.as_mut() {
+            Some(from) => {
+                if let Some(addr) = from.addr.as_mut() {
+                    let photo_url = photo_url_for_email_address(&pool, &addr).await?;
+                    from.photo_url = photo_url;
+                }
+            }
+            _ => (),
+        }
+
         let to = email_addresses(&path, &m, "to")?;
         let cc = email_addresses(&path, &m, "cc")?;
         let subject = m.headers.get_first_value("subject");
@@ -329,6 +342,7 @@ fn email_addresses(
                         mailparse::MailAddr::Single(s) => addrs.push(Email {
                             name: s.display_name,
                             addr: Some(s.addr),
+                            photo_url: None,
                         }), //println!("Single: {s}"),
                     }
                 }
@@ -343,12 +357,14 @@ fn email_addresses(
                         addrs.push(Email {
                             name: Some(name.to_string()),
                             addr: Some(addr.to_string()),
+                            photo_url: None,
                         });
                     }
                 } else {
                     addrs.push(Email {
                         name: Some(v),
                         addr: None,
+                        photo_url: None,
                     });
                 }
             }
@@ -877,3 +893,24 @@ pub async fn set_read_status<'ctx>(
     }
     Ok(true)
 }
+
+async fn photo_url_for_email_address(
+    pool: &PgPool,
+    addr: &str,
+) -> Result<Option<String>, ServerError> {
+    let row = sqlx::query!(
+        r#"
+SELECT
+  url
+FROM email_photo ep
+JOIN email_address ea
+ON ep.id = ea.email_photo_id
+WHERE
+  address = $1
+    "#,
+        addr
+    )
+    .fetch_optional(pool)
+    .await?;
+    Ok(row.map(|r| r.url))
+}