Make PageInfo available from outside (#52)

src/lib.rs

@@ -125,7 +125,7 @@ pub use subscription::{
     WebSocketTransport,
 };
 pub use types::{
-    Connection, Cursor, DataSource, EmptyEdgeFields, EmptyMutation, EmptySubscription,
+    Connection, Cursor, DataSource, EmptyEdgeFields, EmptyMutation, EmptySubscription, PageInfo,
     QueryOperation, Upload,
 };
 pub use validation::ValidationMode;

src/types/connection/connection_type.rs

@@ -17,9 +17,14 @@ use std::collections::HashMap;
 /// otherwise you can use the `Connection::map` function to convert to a type that implements `OutputValueType`.
 /// `E` is an extension object type that extends the edge fields.
 pub struct Connection<T, E: ObjectType + Sync + Send = EmptyEdgeFields> {
-    total_count: Option<usize>,
-    page_info: PageInfo,
-    nodes: Vec<(Cursor, E, T)>,
+    /// The total number of records.
+    pub total_count: Option<usize>,
+
+    /// Information about pagination in a connection.
+    pub page_info: PageInfo,
+
+    /// All records of the current page.
+    pub nodes: Vec<(Cursor, E, T)>,
 }
 
 impl<T, E: ObjectType + Sync + Send> Connection<T, E> {

src/types/connection/mod.rs

@@ -8,6 +8,7 @@ use crate::{Context, FieldResult, ObjectType};
 
 pub use connection_type::Connection;
 pub use cursor::Cursor;
+pub use page_info::PageInfo;
 
 /// Connection query operation
 pub enum QueryOperation {

src/types/connection/page_info.rs

@@ -1,32 +1,20 @@
+#![allow(missing_docs)]
+
 use crate::types::connection::cursor::Cursor;
-use async_graphql_derive::Object;
+use async_graphql_derive::SimpleObject;
 
+/// Information about pagination in a connection
+#[SimpleObject(internal, desc = "Information about pagination in a connection.")]
 pub struct PageInfo {
-    pub has_previous_page: bool,
-    pub has_next_page: bool,
-    pub start_cursor: Option<Cursor>,
-    pub end_cursor: Option<Cursor>,
-}
-
-#[Object(internal)]
-impl PageInfo {
     #[field(desc = "When paginating backwards, are there more items?")]
-    async fn has_previous_page(&self) -> bool {
-        self.has_previous_page
-    }
+    pub has_previous_page: bool,
 
     #[field(desc = "When paginating forwards, are there more items?")]
-    async fn has_next_page(&self) -> bool {
-        self.has_next_page
-    }
+    pub has_next_page: bool,
 
     #[field(desc = "When paginating backwards, the cursor to continue.")]
-    async fn start_cursor(&self) -> &Option<Cursor> {
-        &self.start_cursor
-    }
+    pub start_cursor: Option<Cursor>,
 
     #[field(desc = "When paginating forwards, the cursor to continue.")]
-    async fn end_cursor(&self) -> &Option<Cursor> {
-        &self.end_cursor
-    }
+    pub end_cursor: Option<Cursor>,
 }

src/types/mod.rs

@@ -7,7 +7,7 @@ mod optional;
 mod query_root;
 mod upload;
 
-pub use connection::{Connection, Cursor, DataSource, EmptyEdgeFields, QueryOperation};
+pub use connection::{Connection, Cursor, DataSource, EmptyEdgeFields, PageInfo, QueryOperation};
 pub use empty_mutation::EmptyMutation;
 pub use empty_subscription::EmptySubscription;
 pub use query_root::QueryRoot;