feat: sidebar filtering

crates/bds-ui/src/state/mod.rs

@@ -1,7 +1,9 @@
 pub mod navigation;
+pub mod sidebar_filter;
 pub mod tabs;
 pub mod toast;
 
 pub use navigation::{SidebarView, PanelTab, TaskSnapshot, OutputEntry};
+pub use sidebar_filter::{PostFilter, MediaFilter, CalendarFilter, CalendarYear, CalendarMonth};
 pub use tabs::{Tab, TabType};
 pub use toast::{Toast, ToastLevel};

crates/bds-ui/src/state/sidebar_filter.rs

@@ -0,0 +1,101 @@
+/// Sidebar filter state per sidebar_views.allium PostsView / MediaView.
+///
+/// Per ui_data_flow.allium SidebarFilterIsolation:
+/// "Sidebar search/filter state is local to the sidebar component.
+///  Filtering never affects: active tab, editor content, selectedPostId.
+///  Only the visible list of items changes."
+
+/// Calendar year/month archive filter.
+/// Per sidebar_views.allium CalendarFilter.
+#[derive(Debug, Clone, Default)]
+pub struct CalendarFilter {
+    pub selected_year: Option<i32>,
+    pub selected_month: Option<u32>, // 1-12
+}
+
+/// A year in the calendar archive tree, with per-month counts.
+#[derive(Debug, Clone)]
+pub struct CalendarYear {
+    pub year: i32,
+    pub months: Vec<CalendarMonth>,
+}
+
+/// A month in the calendar archive tree.
+#[derive(Debug, Clone)]
+pub struct CalendarMonth {
+    pub month: u32, // 1-12
+    pub count: usize,
+}
+
+/// Filter state for the Posts sidebar (and Pages, which is Posts with
+/// category_filter pre-set to ["page"]).
+#[derive(Debug, Clone, Default)]
+pub struct PostFilter {
+    /// FTS search query, per sidebar_views.allium PostsView.search_query.
+    pub search_query: String,
+    /// Whether the collapsible filter panel is visible.
+    pub filter_panel_visible: bool,
+    /// Year/month archive filter.
+    pub calendar: CalendarFilter,
+    /// Selected tag names (multi-select).
+    pub tag_filter: Vec<String>,
+    /// Selected category names (multi-select).
+    pub category_filter: Vec<String>,
+    /// Calendar tree for the toggle widget.
+    pub calendar_years: Vec<CalendarYear>,
+    /// All available tags for the chip selector.
+    pub available_tags: Vec<String>,
+    /// All available categories for the chip selector.
+    pub available_categories: Vec<String>,
+}
+
+/// Filter state for the Media sidebar.
+#[derive(Debug, Clone, Default)]
+pub struct MediaFilter {
+    /// FTS search query.
+    pub search_query: String,
+    /// Whether the collapsible filter panel is visible.
+    pub filter_panel_visible: bool,
+    /// Year/month archive filter.
+    pub calendar: CalendarFilter,
+    /// Selected tag names (multi-select).
+    pub tag_filter: Vec<String>,
+    /// Calendar tree for the toggle widget.
+    pub calendar_years: Vec<CalendarYear>,
+    /// All available tags for the chip selector.
+    pub available_tags: Vec<String>,
+}
+
+impl PostFilter {
+    /// Returns true if any filter is active (for "Clear All" visibility).
+    pub fn has_active_filters(&self) -> bool {
+        !self.search_query.is_empty()
+            || self.calendar.selected_year.is_some()
+            || !self.tag_filter.is_empty()
+            || !self.category_filter.is_empty()
+    }
+
+    /// Reset all filters to defaults.
+    pub fn clear(&mut self) {
+        self.search_query.clear();
+        self.calendar = CalendarFilter::default();
+        self.tag_filter.clear();
+        self.category_filter.clear();
+    }
+}
+
+impl MediaFilter {
+    /// Returns true if any filter is active.
+    pub fn has_active_filters(&self) -> bool {
+        !self.search_query.is_empty()
+            || self.calendar.selected_year.is_some()
+            || !self.tag_filter.is_empty()
+    }
+
+    /// Reset all filters to defaults.
+    pub fn clear(&mut self) {
+        self.search_query.clear();
+        self.calendar = CalendarFilter::default();
+        self.tag_filter.clear();
+    }
+}