Better choose wether or not a body is required

src/imap/attributes.rs

@@ -1,4 +1,4 @@
-use imap_codec::imap_types::fetch::{MacroOrMessageDataItemNames, MessageDataItemName};
+use imap_codec::imap_types::fetch::{MacroOrMessageDataItemNames, MessageDataItemName, Section};
 
 /// Internal decisions based on fetched attributes
 /// passed by the client
@@ -36,14 +36,26 @@ impl AttributesProxy {
 
     pub fn need_body(&self) -> bool {
         self.attrs.iter().any(|x| {
-            matches!(
-                x,
+            println!("item is: {:?}", x);
+            match x {
                 MessageDataItemName::Body
-                    | MessageDataItemName::BodyExt { .. }
-                    | MessageDataItemName::Rfc822
-                    | MessageDataItemName::Rfc822Text
-                    | MessageDataItemName::BodyStructure
-            )
+                | MessageDataItemName::Rfc822
+                | MessageDataItemName::Rfc822Text
+                | MessageDataItemName::BodyStructure => true,
+
+                MessageDataItemName::BodyExt {
+                    section: Some(section),
+                    partial: _,
+                    peek: _,
+                } => match section {
+                    Section::Header(None)
+                    | Section::HeaderFields(None, _)
+                    | Section::HeaderFieldsNot(None, _) => false,
+                    _ => true,
+                },
+                MessageDataItemName::BodyExt { .. } => true,
+                _ => false,
+            }
         })
     }
 }

src/imap/mail_view.rs

@@ -32,10 +32,7 @@ pub struct MailView<'a> {
 }
 
 impl<'a> MailView<'a> {
-    pub fn new(
-        query_result: &'a QueryResult,
-        in_idx: &'a MailIndex<'a>,
-    ) -> Result<MailView<'a>> {
+    pub fn new(query_result: &'a QueryResult, in_idx: &'a MailIndex<'a>) -> Result<MailView<'a>> {
         Ok(Self {
             in_idx,
             query_result,

src/mail/query.rs

@@ -31,8 +31,12 @@ impl QueryScope {
 impl<'a, 'b> Query<'a, 'b> {
     pub async fn fetch(&self) -> Result<Vec<QueryResult>> {
         match self.scope {
-            QueryScope::Index => Ok(self.emails.iter().map(|&uuid| QueryResult::IndexResult { uuid }).collect()),
-            QueryScope::Partial =>self.partial().await,
+            QueryScope::Index => Ok(self
+                .emails
+                .iter()
+                .map(|&uuid| QueryResult::IndexResult { uuid })
+                .collect()),
+            QueryScope::Partial => self.partial().await,
             QueryScope::Full => self.full().await,
         }
     }
@@ -44,9 +48,7 @@ impl<'a, 'b> Query<'a, 'b> {
         let result = meta
             .into_iter()
             .zip(self.emails.iter())
-            .map(|(metadata, &uuid)| {
-                QueryResult::PartialResult  { uuid, metadata }
-            })
+            .map(|(metadata, &uuid)| QueryResult::PartialResult { uuid, metadata })
             .collect::<Vec<_>>();
 
         Ok(result)
@@ -125,20 +127,14 @@ impl QueryResult {
 
     fn into_partial(self, metadata: MailMeta) -> Option<Self> {
         match self {
-            Self::IndexResult { uuid } => Some(Self::PartialResult {
-                uuid,
-                metadata,
-            }),
+            Self::IndexResult { uuid } => Some(Self::PartialResult { uuid, metadata }),
             _ => None,
         }
     }
 
     fn into_full(self, content: Vec<u8>) -> Option<Self> {
         match self {
-            Self::PartialResult {
-                uuid,
-                metadata,
-            } => Some(Self::FullResult {
+            Self::PartialResult { uuid, metadata } => Some(Self::FullResult {
                 uuid,
                 metadata,
                 content,