pagnation

src/api/mod.rs

@@ -19,7 +19,7 @@ pub use pads_public::*;
 
 use axum::{
     Json,
-    extract::{Multipart, Path, State},
+    extract::{Multipart, Path, Query, State},
     http::{HeaderMap, HeaderName, HeaderValue, StatusCode, header},
     response::{IntoResponse, Response},
 };
@@ -283,6 +283,31 @@ pub struct WorkspaceInfo {
 pub struct WorkspaceOpenResponse {
     workspace: WorkspaceInfo,
     notes: Vec<NoteListItem>,
+    pagination: ListPaginationMeta,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct WorkspaceNotesQuery {
+    #[serde(default)]
+    q: String,
+    #[serde(default = "default_list_page")]
+    page: usize,
+    #[serde(default = "default_list_per_page")]
+    per_page: usize,
+}
+
+#[derive(Debug, Serialize)]
+pub struct ListPaginationMeta {
+    page: usize,
+    per_page: usize,
+    total: usize,
+    total_pages: usize,
+}
+
+fn default_list_page() -> usize { 1 }
+fn default_list_per_page() -> usize { 25 }
+fn normalize_list_per_page(value: usize) -> usize {
+    match value { 25 | 50 | 100 => value, _ => 25 }
 }
 
 #[derive(Debug, Serialize)]
@@ -552,6 +577,7 @@ pub async fn open_workspace(
     State(state): State<SharedState>,
     headers: HeaderMap,
     Path(workspace_slug): Path<String>,
+    Query(query): Query<WorkspaceNotesQuery>,
     Json(payload): Json<PasswordRequest>,
 ) -> Result<Json<WorkspaceOpenResponse>, ApiError> {
     let workspace = authorized_workspace(
@@ -573,9 +599,16 @@ pub async fn open_workspace(
         .into_iter()
         .map(|stats| (stats.note_id, stats))
         .collect::<std::collections::HashMap<_, _>>();
-    let notes = db::list_notes(&state.db, workspace.id)
+    let search = query.q.trim().to_lowercase();
+    let mut notes = db::list_notes(&state.db, workspace.id)
         .await?
         .into_iter()
+        .filter(|note| {
+            search.is_empty()
+                || note.title.to_lowercase().contains(&search)
+                || note.slug.to_lowercase().contains(&search)
+                || note.created_by.as_deref().unwrap_or_default().to_lowercase().contains(&search)
+        })
         .map(|note| {
             let stats = stats.get(&note.id);
             NoteListItem {
@@ -592,11 +625,21 @@ pub async fn open_workspace(
                 revision_count: stats.map_or(0, |value| value.revision_count),
             }
         })
-        .collect();
+        .collect::<Vec<_>>();
+    notes.sort_by(|left, right| right.updated_at.cmp(&left.updated_at));
+
+    let page = query.page.max(1);
+    let per_page = normalize_list_per_page(query.per_page);
+    let total = notes.len();
+    let total_pages = ((total + per_page - 1) / per_page).max(1);
+    let page = page.min(total_pages);
+    let start = (page - 1) * per_page;
+    let notes = notes.into_iter().skip(start).take(per_page).collect();
 
     Ok(Json(WorkspaceOpenResponse {
         workspace: workspace_info_from(&workspace),
         notes,
+        pagination: ListPaginationMeta { page, per_page, total, total_pages },
     }))
 }