feat(recent): add cursor + groupby support

src/application/dtos/recent_dto.rs

@@ -1,10 +1,14 @@
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
-use utoipa::ToSchema;
+use utoipa::{IntoParams, ToSchema};
+use uuid::Uuid;
 
+use super::cursor::{CursorListResponse, CursorQuery, PageCursor};
 use super::display_helpers::{
     category_for, format_file_size, icon_class_for, icon_special_class_for,
 };
+use super::grant_dto::{ResourceContentDto, ResourceTypeDto};
+use crate::domain::services::authorization::ResourceKind;
 
 /// DTO for recent items, enriched with item metadata via SQL JOIN
 /// so the frontend does not need N+1 requests to resolve names/sizes.
@@ -84,3 +88,109 @@ impl RecentItemDto {
         self
     }
 }
+
+// ════════════════════════════════════════════════════════════════════════════
+// Cursor-paginated recent resources  (GET /api/recent/resources)
+// ════════════════════════════════════════════════════════════════════════════
+
+/// Raw row returned by the UNION ALL query for `/api/recent/resources`.
+pub struct RecentResourceRow {
+    pub resource_type: String, // "file" | "folder"
+    pub resource_id: Uuid,
+    pub name: String,
+    pub parent_id: Option<Uuid>,
+    pub mime_type: Option<String>,
+    /// `-1` for folders, actual byte-count for files.
+    pub size: i64,
+    pub resource_created_at: DateTime<Utc>,
+    pub modified_at: DateTime<Utc>,
+    pub owner_id: Uuid,
+    /// `true` when `owner_id == requesting user_id`.
+    pub is_owner: bool,
+    pub accessed_at: DateTime<Utc>,
+    /// Human-readable path. Always populated in the row; the handler clears it
+    /// to `""` when `is_owner` is false.
+    pub path: Option<String>,
+    // Pre-computed sort fields for cursor construction.
+    pub sort_str: Option<String>,
+    pub sort_int: Option<i64>,
+    pub sort_ts: Option<DateTime<Utc>>,
+}
+
+/// Opaque keyset-pagination cursor for `GET /api/recent/resources`.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct RecentCursor {
+    /// Sort dimension active when this cursor was produced.
+    /// Values: `"accessed_at"` (default), `"name"`, `"type"`, `"modified_at"`, `"size"`, `"owner"`.
+    #[serde(default = "RecentCursor::default_order")]
+    pub order_by: String,
+    /// UUID of the last item on the previous page (tie-breaker).
+    pub resource_id: Uuid,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub sort_str: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub sort_int: Option<i64>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub sort_ts: Option<DateTime<Utc>>,
+    #[serde(default)]
+    pub reverse: bool,
+}
+
+impl RecentCursor {
+    fn default_order() -> String {
+        "accessed_at".to_owned()
+    }
+}
+
+impl PageCursor for RecentCursor {}
+
+/// Query parameters for `GET /api/recent/resources`.
+#[derive(Debug, Deserialize, IntoParams)]
+pub struct RecentResourcesQuery {
+    /// Maximum items per page (1–200, default 50).
+    #[serde(default = "CursorQuery::default_limit")]
+    pub limit: u32,
+    /// Opaque cursor from a previous response. Omit to start from the first page.
+    pub cursor: Option<String>,
+    /// Sort / group-by dimension. Supported: `"accessed_at"` (default), `"name"`,
+    /// `"type"`, `"modified_at"`, `"size"`, `"owner"`.
+    pub order_by: Option<String>,
+    /// Comma-separated resource types to include, e.g. `"file,folder"`.
+    /// Omit to include both.
+    pub resource_types: Option<String>,
+    /// Reverse the sort order. Default `false`.
+    #[serde(default)]
+    pub reverse: bool,
+}
+
+impl RecentResourcesQuery {
+    pub fn limit_clamped(&self) -> usize {
+        self.limit.clamp(1, 200) as usize
+    }
+
+    pub fn decode_cursor(&self) -> Option<RecentCursor> {
+        self.cursor.as_deref().and_then(RecentCursor::decode)
+    }
+
+    /// Returns `None` when `resource_types` is absent (= include all).
+    pub fn resource_kinds(&self) -> Option<Vec<ResourceKind>> {
+        self.resource_types.as_deref().map(|s| {
+            s.split(',')
+                .filter_map(|t| ResourceKind::parse(t.trim()))
+                .collect()
+        })
+    }
+}
+
+/// One item in a `GET /api/recent/resources` page.
+#[derive(Debug, Serialize, ToSchema)]
+pub struct RecentResourceItemDto {
+    pub resource_type: ResourceTypeDto,
+    /// When the resource was last accessed.
+    pub accessed_at: DateTime<Utc>,
+    /// Full resource details — shape determined by `resource_type`.
+    pub resource: ResourceContentDto,
+}
+
+/// Response envelope for `GET /api/recent/resources`.
+pub type RecentResourcesDto = CursorListResponse<RecentResourceItemDto>;

src/application/ports/recent_ports.rs

@@ -51,4 +51,15 @@ pub trait RecentItemsRepositoryPort: Send + Sync + 'static {
 
     /// Removes items exceeding `max_items` (the oldest ones).
     async fn prune(&self, user_id: Uuid, max_items: i32) -> Result<()>;
+
+    /// List recent items with cursor pagination, sorting, and optional type filter.
+    async fn list_resources_paged(
+        &self,
+        user_id: Uuid,
+        limit: usize,
+        cursor: Option<&crate::application::dtos::recent_dto::RecentCursor>,
+        order_by: &str,
+        kinds: Option<&[crate::domain::services::authorization::ResourceKind]>,
+        reverse: bool,
+    ) -> Result<Vec<crate::application::dtos::recent_dto::RecentResourceRow>>;
 }

src/application/services/recent_service.rs

@@ -1,6 +1,8 @@
-use crate::application::dtos::recent_dto::RecentItemDto;
+use crate::application::dtos::cursor::PageCursor;
+use crate::application::dtos::recent_dto::{RecentCursor, RecentItemDto, RecentResourceRow};
 use crate::application::ports::recent_ports::{RecentItemsRepositoryPort, RecentItemsUseCase};
 use crate::common::errors::{DomainError, ErrorKind, Result};
+use crate::domain::services::authorization::ResourceKind;
 use crate::infrastructure::repositories::pg::RecentItemsPgRepository;
 use std::sync::Arc;
 use tracing::info;
@@ -109,3 +111,99 @@ impl RecentItemsUseCase for RecentService {
         Ok(())
     }
 }
+
+impl RecentService {
+    /// No authz needed — recent items are strictly user-scoped; the repository
+    /// enforces `WHERE user_id = $1` so users can only see their own entries.
+    ///
+    /// Returns `(rows, next_cursor_encoded)`.
+    pub async fn list_resources_paged(
+        &self,
+        user_id: Uuid,
+        limit: usize,
+        cursor: Option<RecentCursor>,
+        order_by: &str,
+        kinds: Option<&[ResourceKind]>,
+        reverse: bool,
+    ) -> Result<(Vec<RecentResourceRow>, Option<String>)> {
+        // Fetch one extra row to detect whether a next page exists.
+        let mut rows = self
+            .repo
+            .list_resources_paged(
+                user_id,
+                limit + 1,
+                cursor.as_ref(),
+                order_by,
+                kinds,
+                reverse,
+            )
+            .await?;
+
+        let next_cursor = if rows.len() > limit {
+            let last = &rows[limit - 1];
+            let c = build_recent_cursor(last, order_by, reverse);
+            rows.truncate(limit);
+            Some(c.encode())
+        } else {
+            None
+        };
+
+        Ok((rows, next_cursor))
+    }
+}
+
+/// Build the next-page cursor from the last row of the current page.
+/// `reverse` is stored in the cursor so subsequent pages use the same direction.
+fn build_recent_cursor(row: &RecentResourceRow, order_by: &str, reverse: bool) -> RecentCursor {
+    match order_by {
+        "name" => RecentCursor {
+            order_by: "name".to_owned(),
+            resource_id: row.resource_id,
+            sort_str: row.sort_str.clone(), // LOWER(name)
+            sort_int: row.sort_int,         // folder_first
+            sort_ts: None,
+            reverse,
+        },
+        "type" => RecentCursor {
+            order_by: "type".to_owned(),
+            resource_id: row.resource_id,
+            sort_str: row.sort_str.clone(), // LOWER(name)
+            sort_int: row.sort_int,         // type_order
+            sort_ts: None,
+            reverse,
+        },
+        "modified_at" => RecentCursor {
+            order_by: "modified_at".to_owned(),
+            resource_id: row.resource_id,
+            sort_str: None,
+            sort_int: None,
+            sort_ts: row.sort_ts, // modified_at timestamp
+            reverse,
+        },
+        "size" => RecentCursor {
+            order_by: "size".to_owned(),
+            resource_id: row.resource_id,
+            sort_str: None,
+            sort_int: row.sort_int, // size in bytes
+            sort_ts: None,
+            reverse,
+        },
+        "owner" => RecentCursor {
+            order_by: "owner".to_owned(),
+            resource_id: row.resource_id,
+            sort_str: row.sort_str.clone(), // LOWER(username)
+            sort_int: None,
+            sort_ts: row.sort_ts, // accessed_at timestamp (secondary)
+            reverse,
+        },
+        _ => RecentCursor {
+            // default: accessed_at DESC
+            order_by: "accessed_at".to_owned(),
+            resource_id: row.resource_id,
+            sort_str: None,
+            sort_int: None,
+            sort_ts: row.sort_ts, // accessed_at timestamp
+            reverse,
+        },
+    }
+}

src/infrastructure/repositories/pg/recent_items_pg_repository.rs

@@ -3,9 +3,10 @@ use std::sync::Arc;
 use tracing::error;
 use uuid::Uuid;
 
-use crate::application::dtos::recent_dto::RecentItemDto;
+use crate::application::dtos::recent_dto::{RecentCursor, RecentItemDto, RecentResourceRow};
 use crate::application::ports::recent_ports::RecentItemsRepositoryPort;
 use crate::common::errors::{DomainError, ErrorKind, Result};
+use crate::domain::services::authorization::ResourceKind;
 
 /// PostgreSQL implementation of the recent items persistence port.
 pub struct RecentItemsPgRepository {
@@ -188,4 +189,310 @@ impl RecentItemsRepositoryPort for RecentItemsPgRepository {
 
         Ok(())
     }
+
+    async fn list_resources_paged(
+        &self,
+        user_id: Uuid,
+        limit: usize,
+        cursor: Option<&RecentCursor>,
+        order_by: &str,
+        kinds: Option<&[ResourceKind]>,
+        reverse: bool,
+    ) -> Result<Vec<RecentResourceRow>> {
+        let include_folders =
+            kinds.is_none_or(|k| k.iter().any(|r| matches!(r, ResourceKind::Folder)));
+        let include_files = kinds.is_none_or(|k| k.iter().any(|r| matches!(r, ResourceKind::File)));
+
+        // ── Build the UNION ALL CTE ─────────────────────────────────────────
+        let mut cte_branches: Vec<&str> = Vec::new();
+
+        let folder_branch = r#"
+    SELECT
+        'folder'::text                   AS resource_type,
+        fld.id                           AS resource_id,
+        fld.name,
+        fld.parent_id,
+        NULL::text                       AS mime_type,
+        -1::bigint                       AS size,
+        fld.created_at                   AS resource_created_at,
+        fld.updated_at                   AS modified_at,
+        fld.user_id                      AS owner_id,
+        (fld.user_id = $1::uuid)         AS is_owner,
+        ur.accessed_at                   AS accessed_at,
+        fld.path::text                   AS resource_path,
+        LOWER(fld.name)                  AS sort_str,
+        0::bigint                        AS type_order,
+        0::int                           AS folder_first
+    FROM auth.user_recent_files ur
+    INNER JOIN storage.folders fld
+           ON fld.id = ur.item_id::UUID AND NOT fld.is_trashed
+    WHERE ur.user_id = $1::uuid AND ur.item_type = 'folder'"#;
+
+        let file_branch = r#"
+    SELECT
+        'file'::text                     AS resource_type,
+        f.id                             AS resource_id,
+        f.name,
+        f.folder_id                      AS parent_id,
+        f.mime_type,
+        f.size::bigint,
+        f.created_at                     AS resource_created_at,
+        f.updated_at                     AS modified_at,
+        f.user_id                        AS owner_id,
+        (f.user_id = $1::uuid)           AS is_owner,
+        ur.accessed_at                   AS accessed_at,
+        COALESCE(pfld.path::text || '/' || f.name, f.name) AS resource_path,
+        LOWER(f.name)                    AS sort_str,
+        f.category_order::bigint         AS type_order,
+        1::int                           AS folder_first
+    FROM auth.user_recent_files ur
+    INNER JOIN storage.files f
+           ON f.id = ur.item_id::UUID AND NOT f.is_trashed
+    LEFT JOIN storage.folders pfld
+           ON pfld.id = f.folder_id
+    WHERE ur.user_id = $1::uuid AND ur.item_type = 'file'"#;
+
+        if include_folders {
+            cte_branches.push(folder_branch);
+        }
+        if include_files {
+            cte_branches.push(file_branch);
+        }
+
+        if cte_branches.is_empty() {
+            return Ok(Vec::new());
+        }
+
+        let union_sql = cte_branches.join("\n    UNION ALL\n");
+        let cte = format!("WITH resources AS ({union_sql}\n)");
+
+        // ── Cursor values ───────────────────────────────────────────────────
+        let cur_str: Option<&str> = cursor.and_then(|c| c.sort_str.as_deref());
+        let cur_int: Option<i64> = cursor.and_then(|c| c.sort_int);
+        let cur_ts: Option<chrono::DateTime<chrono::Utc>> = cursor.and_then(|c| c.sort_ts);
+        let cur_id: Option<Uuid> = cursor.map(|c| c.resource_id);
+
+        // ── Per-dimension keyset WHERE + ORDER BY ───────────────────────────
+        // Binds: $1=user_id (in CTE), $2=cur_str, $3=cur_int, $4=cur_ts,
+        //        $5=cur_id, $6=limit (for "owner" sort: JOIN uses no extra binds)
+        let (keyset, order_by_clause, need_user_join) = match (order_by, reverse) {
+            // ── name ────────────────────────────────────────────────────────
+            ("name", false) => (
+                "WHERE ($3::bigint IS NULL)
+                    OR (folder_first::bigint > $3)
+                    OR (folder_first::bigint = $3 AND sort_str > $2)
+                    OR (folder_first::bigint = $3 AND sort_str = $2 AND resource_id > $5::uuid)",
+                "ORDER BY folder_first ASC, sort_str ASC, resource_id ASC",
+                false,
+            ),
+            ("name", true) => (
+                "WHERE ($3::bigint IS NULL)
+                    OR (folder_first::bigint > $3)
+                    OR (folder_first::bigint = $3 AND sort_str < $2)
+                    OR (folder_first::bigint = $3 AND sort_str = $2 AND resource_id < $5::uuid)",
+                "ORDER BY folder_first ASC, sort_str DESC, resource_id DESC",
+                false,
+            ),
+            // ── type ────────────────────────────────────────────────────────
+            ("type", false) => (
+                "WHERE ($3::bigint IS NULL)
+                    OR (type_order > $3)
+                    OR (type_order = $3 AND sort_str > $2)
+                    OR (type_order = $3 AND sort_str = $2 AND resource_id > $5::uuid)",
+                "ORDER BY type_order ASC, sort_str ASC, resource_id ASC",
+                false,
+            ),
+            ("type", true) => (
+                "WHERE ($3::bigint IS NULL)
+                    OR (type_order < $3)
+                    OR (type_order = $3 AND sort_str < $2)
+                    OR (type_order = $3 AND sort_str = $2 AND resource_id < $5::uuid)",
+                "ORDER BY type_order DESC, sort_str DESC, resource_id DESC",
+                false,
+            ),
+            // ── accessed_at ──────────────────────────────────────────────────
+            ("accessed_at", false) => (
+                "WHERE ($4::timestamptz IS NULL)
+                    OR (accessed_at < $4)
+                    OR (accessed_at = $4 AND resource_id < $5::uuid)",
+                "ORDER BY accessed_at DESC, resource_id DESC",
+                false,
+            ),
+            ("accessed_at", true) => (
+                "WHERE ($4::timestamptz IS NULL)
+                    OR (accessed_at > $4)
+                    OR (accessed_at = $4 AND resource_id > $5::uuid)",
+                "ORDER BY accessed_at ASC, resource_id ASC",
+                false,
+            ),
+            // ── modified_at ──────────────────────────────────────────────────
+            ("modified_at", false) => (
+                "WHERE ($4::timestamptz IS NULL)
+                    OR (modified_at < $4)
+                    OR (modified_at = $4 AND resource_id < $5::uuid)",
+                "ORDER BY modified_at DESC, resource_id DESC",
+                false,
+            ),
+            ("modified_at", true) => (
+                "WHERE ($4::timestamptz IS NULL)
+                    OR (modified_at > $4)
+                    OR (modified_at = $4 AND resource_id > $5::uuid)",
+                "ORDER BY modified_at ASC, resource_id ASC",
+                false,
+            ),
+            // ── size ─────────────────────────────────────────────────────────
+            ("size", false) => (
+                "WHERE ($3::bigint IS NULL)
+                    OR (size > $3)
+                    OR (size = $3 AND resource_id > $5::uuid)",
+                "ORDER BY size ASC, resource_id ASC",
+                false,
+            ),
+            ("size", true) => (
+                "WHERE ($3::bigint IS NULL)
+                    OR (size < $3)
+                    OR (size = $3 AND resource_id < $5::uuid)",
+                "ORDER BY size DESC, resource_id DESC",
+                false,
+            ),
+            // ── owner ────────────────────────────────────────────────────────
+            ("owner", false) => (
+                "WHERE ($2::text IS NULL)
+                    OR (LOWER(u.username) > $2)
+                    OR (LOWER(u.username) = $2 AND accessed_at < $4)
+                    OR (LOWER(u.username) = $2 AND accessed_at = $4 AND resource_id < $5::uuid)",
+                "ORDER BY LOWER(u.username) ASC, accessed_at DESC, resource_id DESC",
+                true,
+            ),
+            ("owner", true) => (
+                "WHERE ($2::text IS NULL)
+                    OR (LOWER(u.username) < $2)
+                    OR (LOWER(u.username) = $2 AND accessed_at > $4)
+                    OR (LOWER(u.username) = $2 AND accessed_at = $4 AND resource_id > $5::uuid)",
+                "ORDER BY LOWER(u.username) DESC, accessed_at ASC, resource_id ASC",
+                true,
+            ),
+            // ── default: accessed_at DESC ─────────────────────────────────────
+            (_, false) => (
+                "WHERE ($4::timestamptz IS NULL)
+                    OR (accessed_at < $4)
+                    OR (accessed_at = $4 AND resource_id < $5::uuid)",
+                "ORDER BY accessed_at DESC, resource_id DESC",
+                false,
+            ),
+            (_, true) => (
+                "WHERE ($4::timestamptz IS NULL)
+                    OR (accessed_at > $4)
+                    OR (accessed_at = $4 AND resource_id > $5::uuid)",
+                "ORDER BY accessed_at ASC, resource_id ASC",
+                false,
+            ),
+        };
+
+        let user_join = if need_user_join {
+            "LEFT JOIN auth.users u ON u.id = r.owner_id"
+        } else {
+            ""
+        };
+        // For "owner" sort the JOIN makes LOWER(u.username) available; add it to SELECT
+        // so the cursor can carry the correct sort key.
+        let username_col = if need_user_join {
+            ",\n    LOWER(u.username)                AS username_lower"
+        } else {
+            ""
+        };
+
+        let sql = format!(
+            "{cte}
+SELECT
+    r.resource_type, r.resource_id, r.name, r.parent_id,
+    r.mime_type, r.size, r.resource_created_at, r.modified_at,
+    r.owner_id, r.is_owner, r.accessed_at, r.resource_path,
+    r.sort_str, r.type_order, r.folder_first{username_col}
+FROM resources r
+{user_join}
+{keyset}
+{order_by_clause}
+LIMIT $6"
+        );
+
+        let rows = sqlx::query(&sql)
+            .bind(user_id) // $1 (in CTE + outer)
+            .bind(cur_str) // $2
+            .bind(cur_int) // $3
+            .bind(cur_ts) // $4
+            .bind(cur_id) // $5
+            .bind(limit as i64) // $6
+            .fetch_all(&*self.db_pool)
+            .await
+            .map_err(|e| {
+                error!("Database error listing recent resources: {e}");
+                DomainError::new(
+                    ErrorKind::InternalError,
+                    "RecentItems",
+                    format!("Failed to list recent resources: {e}"),
+                )
+            })?;
+
+        let result = rows
+            .iter()
+            .map(|row| {
+                let resource_type: String = row.get("resource_type");
+                let sort_str_val: Option<String> = row.try_get("sort_str").ok();
+                let type_order: i64 = row.try_get("type_order").unwrap_or(0);
+                let folder_first: i32 = row.try_get("folder_first").unwrap_or(0);
+                let size: i64 = row.get("size");
+
+                // Pre-compute the cursor sort fields based on order_by
+                let (c_sort_str, c_sort_int, c_sort_ts) = match order_by {
+                    "name" => (sort_str_val, Some(folder_first as i64), None),
+                    "type" => (sort_str_val, Some(type_order), None),
+                    "size" => (None, Some(size), None),
+                    "accessed_at" => {
+                        let ts: Option<chrono::DateTime<chrono::Utc>> =
+                            row.try_get("accessed_at").ok();
+                        (None, None, ts)
+                    }
+                    "modified_at" => {
+                        let ts: Option<chrono::DateTime<chrono::Utc>> =
+                            row.try_get("modified_at").ok();
+                        (None, None, ts)
+                    }
+                    "owner" => {
+                        // For "owner" sort the JOIN added LOWER(u.username) AS username_lower.
+                        // The cursor's sort_str must carry the username (not the file name).
+                        let username: Option<String> = row.try_get("username_lower").ok();
+                        let ts: Option<chrono::DateTime<chrono::Utc>> =
+                            row.try_get("accessed_at").ok();
+                        (username, None, ts)
+                    }
+                    _ => {
+                        let ts: Option<chrono::DateTime<chrono::Utc>> =
+                            row.try_get("accessed_at").ok();
+                        (None, None, ts)
+                    }
+                };
+
+                RecentResourceRow {
+                    resource_type,
+                    resource_id: row.get("resource_id"),
+                    name: row.get("name"),
+                    parent_id: row.try_get("parent_id").ok(),
+                    mime_type: row.try_get("mime_type").ok(),
+                    size,
+                    resource_created_at: row.get("resource_created_at"),
+                    modified_at: row.get("modified_at"),
+                    owner_id: row.get("owner_id"),
+                    is_owner: row.try_get("is_owner").unwrap_or(false),
+                    accessed_at: row.get("accessed_at"),
+                    path: row.try_get("resource_path").ok(),
+                    sort_str: c_sort_str,
+                    sort_int: c_sort_int,
+                    sort_ts: c_sort_ts,
+                }
+            })
+            .collect();
+
+        Ok(result)
+    }
 }

src/interfaces/api/handlers/recent_handler.rs

@@ -8,8 +8,18 @@ use serde::Deserialize;
 use std::sync::Arc;
 use tracing::{error, info};
 
+use crate::application::dtos::display_helpers::{
+    category_for, format_file_size, icon_class_for, icon_special_class_for,
+};
+use crate::application::dtos::file_dto::FileDto;
+use crate::application::dtos::folder_dto::FolderDto;
+use crate::application::dtos::grant_dto::{ResourceContentDto, ResourceTypeDto};
+use crate::application::dtos::recent_dto::{
+    RecentResourceItemDto, RecentResourcesDto, RecentResourcesQuery,
+};
 use crate::application::ports::recent_ports::RecentItemsUseCase;
 use crate::application::services::recent_service::RecentService;
+use crate::interfaces::errors::AppError;
 use crate::interfaces::middleware::auth::AuthUser;
 
 /// Query parameters for getting recent items
@@ -19,7 +29,8 @@ pub struct GetRecentParams {
     limit: Option<i32>,
 }
 
-/// Get user's recent items
+/// Get user's recent items (deprecated — use `GET /api/recent/resources` instead)
+#[deprecated = "Use GET /api/recent/resources instead"]
 #[utoipa::path(
     get,
     path = "/api/recent",
@@ -213,3 +224,121 @@ pub async fn clear_recent_items(
         }
     }
 }
+
+/// List recently accessed resources with cursor pagination.
+///
+/// Sorted by `accessed_at` DESC by default (most recently accessed first).
+/// `path` is cleared when the resource is not owned by the requesting user.
+#[utoipa::path(
+    get,
+    path = "/api/recent/resources",
+    params(RecentResourcesQuery),
+    responses(
+        (status = 200, description = "Paginated list of recently accessed resources",
+         body = RecentResourcesDto),
+        (status = 400, description = "Invalid cursor or query parameters"),
+    ),
+    security(("bearerAuth" = [])),
+    tag = "recent"
+)]
+pub async fn list_recent_resources(
+    State(recent_service): State<Arc<RecentService>>,
+    auth_user: AuthUser,
+    Query(q): Query<RecentResourcesQuery>,
+) -> impl IntoResponse {
+    let user_id = auth_user.id;
+
+    let order_by = q.order_by.as_deref().unwrap_or("accessed_at").to_owned();
+
+    // If a cursor exists, validate that it matches the requested sort/direction.
+    let cursor = q
+        .decode_cursor()
+        .filter(|c| c.order_by == order_by && c.reverse == q.reverse);
+
+    let kinds = q.resource_kinds();
+
+    match recent_service
+        .list_resources_paged(
+            user_id,
+            q.limit_clamped(),
+            cursor,
+            &order_by,
+            kinds.as_deref(),
+            q.reverse,
+        )
+        .await
+    {
+        Ok((rows, next_cursor)) => {
+            let items: Vec<RecentResourceItemDto> = rows
+                .into_iter()
+                .map(|row| {
+                    // Path is only shown to the owner; non-owners see ""
+                    // to avoid leaking another user's folder hierarchy.
+                    let path = if row.is_owner {
+                        row.path.clone().unwrap_or_default()
+                    } else {
+                        String::new()
+                    };
+
+                    if row.resource_type == "folder" {
+                        let dto = FolderDto {
+                            id: row.resource_id.to_string(),
+                            name: row.name.clone(),
+                            path,
+                            parent_id: row.parent_id.map(|u| u.to_string()),
+                            owner_id: Some(row.owner_id.to_string()),
+                            created_at: row.resource_created_at.timestamp() as u64,
+                            modified_at: row.modified_at.timestamp() as u64,
+                            is_root: false,
+                            icon_class: std::sync::Arc::from("fas fa-folder"),
+                            icon_special_class: std::sync::Arc::from("folder-icon"),
+                            category: std::sync::Arc::from("Folder"),
+                        };
+                        RecentResourceItemDto {
+                            resource_type: ResourceTypeDto::Folder,
+                            accessed_at: row.accessed_at,
+                            resource: ResourceContentDto::Folder(dto),
+                        }
+                    } else {
+                        let mime = row
+                            .mime_type
+                            .as_deref()
+                            .unwrap_or("application/octet-stream");
+                        let size_bytes = row.size.max(0) as u64;
+                        let dto = FileDto {
+                            id: row.resource_id.to_string(),
+                            name: row.name.clone(),
+                            path,
+                            size: size_bytes,
+                            mime_type: std::sync::Arc::from(mime),
+                            folder_id: row.parent_id.map(|u| u.to_string()),
+                            created_at: row.resource_created_at.timestamp() as u64,
+                            modified_at: row.modified_at.timestamp() as u64,
+                            icon_class: std::sync::Arc::from(icon_class_for(&row.name, mime)),
+                            icon_special_class: std::sync::Arc::from(icon_special_class_for(
+                                &row.name, mime,
+                            )),
+                            category: std::sync::Arc::from(category_for(&row.name, mime)),
+                            size_formatted: format_file_size(size_bytes),
+                            owner_id: Some(row.owner_id.to_string()),
+                            sort_date: None,
+                            etag: String::new(),
+                        };
+                        RecentResourceItemDto {
+                            resource_type: ResourceTypeDto::File,
+                            accessed_at: row.accessed_at,
+                            resource: ResourceContentDto::File(dto),
+                        }
+                    }
+                })
+                .collect();
+
+            (
+                StatusCode::OK,
+                Json(RecentResourcesDto::with_cursor(items, next_cursor)),
+            )
+                .into_response()
+        }
+        Err(e) => AppError::from(e).into_response(),
+    }
+}

src/interfaces/api/routes.rs

@@ -355,10 +355,12 @@ pub fn create_api_routes(app_state: &Arc<AppState>) -> Router<Arc<AppState>> {
 
     // Create routes for recent items if the service is available
     let recent_router = if let Some(recent_service) = recent_service.clone() {
+        #[allow(deprecated)]
         use crate::interfaces::api::handlers::recent_handler;
 
         Router::new()
             .route("/", get(recent_handler::get_recent_items))
+            .route("/resources", get(recent_handler::list_recent_resources))
             .route(
                 "/{item_type}/{item_id}",
                 post(recent_handler::record_item_access),