feat(web): add object-view-active-view module for workspace page

apps/web/app/workspace/object-view-active-view.test.ts

@@ -0,0 +1,92 @@
+import { describe, expect, it } from "vitest";
+import { emptyFilterGroup, type FilterGroup, type SavedView } from "@/lib/object-filters";
+import { resolveActiveViewSyncDecision } from "./object-view-active-view";
+
+function statusFilter(value: string): FilterGroup {
+  return {
+    id: "root",
+    conjunction: "and",
+    rules: [
+      { id: "rule-status", field: "Status", operator: "is", value },
+    ],
+  };
+}
+
+describe("resolveActiveViewSyncDecision", () => {
+  const importantView: SavedView = {
+    name: "Important",
+    filters: statusFilter("Important"),
+    columns: ["Name", "Status", "Owner"],
+  };
+
+  it("applies active view on initial load even when active view name already matches (prevents visible-but-unapplied bug)", () => {
+    const decision = resolveActiveViewSyncDecision({
+      savedViews: [importantView],
+      activeView: "Important",
+      currentActiveViewName: "Important",
+      currentFilters: emptyFilterGroup(),
+      currentViewColumns: undefined,
+    });
+
+    expect(decision).not.toBeNull();
+    expect(decision?.shouldApply).toBe(true);
+    expect(decision?.nextFilters).toEqual(statusFilter("Important"));
+    expect(decision?.nextColumns).toEqual(["Name", "Status", "Owner"]);
+  });
+
+  it("does not re-apply when name, filters, and columns are already aligned", () => {
+    const decision = resolveActiveViewSyncDecision({
+      savedViews: [importantView],
+      activeView: "Important",
+      currentActiveViewName: "Important",
+      currentFilters: statusFilter("Important"),
+      currentViewColumns: ["Name", "Status", "Owner"],
+    });
+
+    expect(decision).not.toBeNull();
+    expect(decision?.shouldApply).toBe(false);
+  });
+
+  it("re-applies when active view changes during refresh (keeps label and table state in sync)", () => {
+    const backlogView: SavedView = {
+      name: "Backlog",
+      filters: statusFilter("Backlog"),
+      columns: ["Name", "Status"],
+    };
+
+    const decision = resolveActiveViewSyncDecision({
+      savedViews: [importantView, backlogView],
+      activeView: "Backlog",
+      currentActiveViewName: "Important",
+      currentFilters: statusFilter("Important"),
+      currentViewColumns: ["Name", "Status", "Owner"],
+    });
+
+    expect(decision).not.toBeNull();
+    expect(decision?.shouldApply).toBe(true);
+    expect(decision?.nextActiveViewName).toBe("Backlog");
+    expect(decision?.nextFilters).toEqual(statusFilter("Backlog"));
+    expect(decision?.nextColumns).toEqual(["Name", "Status"]);
+  });
+
+  it("returns null when active view is missing or cannot be resolved", () => {
+    const missingActive = resolveActiveViewSyncDecision({
+      savedViews: [importantView],
+      activeView: undefined,
+      currentActiveViewName: "Important",
+      currentFilters: statusFilter("Important"),
+      currentViewColumns: ["Name", "Status", "Owner"],
+    });
+
+    const unknownActive = resolveActiveViewSyncDecision({
+      savedViews: [importantView],
+      activeView: "Unknown",
+      currentActiveViewName: "Important",
+      currentFilters: statusFilter("Important"),
+      currentViewColumns: ["Name", "Status", "Owner"],
+    });
+
+    expect(missingActive).toBeNull();
+    expect(unknownActive).toBeNull();
+  });
+});

apps/web/app/workspace/object-view-active-view.ts

@@ -0,0 +1,59 @@
+import {
+  type FilterGroup,
+  type SavedView,
+  emptyFilterGroup,
+  serializeFilters,
+} from "@/lib/object-filters";
+
+function areColumnsEqual(
+  a: string[] | undefined,
+  b: string[] | undefined,
+): boolean {
+  if (!a && !b) {return true;}
+  if (!a || !b) {return false;}
+  if (a.length !== b.length) {return false;}
+  for (let i = 0; i < a.length; i += 1) {
+    if (a[i] !== b[i]) {return false;}
+  }
+  return true;
+}
+
+function areFiltersEqual(a: FilterGroup, b: FilterGroup): boolean {
+  return serializeFilters(a) === serializeFilters(b);
+}
+
+export type ActiveViewSyncDecision = {
+  shouldApply: boolean;
+  nextFilters: FilterGroup;
+  nextColumns: string[] | undefined;
+  nextActiveViewName: string;
+};
+
+export function resolveActiveViewSyncDecision(params: {
+  savedViews: SavedView[] | undefined;
+  activeView: string | undefined;
+  currentActiveViewName: string | undefined;
+  currentFilters: FilterGroup;
+  currentViewColumns: string[] | undefined;
+}): ActiveViewSyncDecision | null {
+  const activeView = params.activeView;
+  if (!activeView) {return null;}
+
+  const view = (params.savedViews ?? []).find((candidate) => candidate.name === activeView);
+  if (!view) {return null;}
+
+  const nextFilters = view.filters ?? emptyFilterGroup();
+  const nextColumns = view.columns;
+  const nextActiveViewName = view.name;
+
+  const nameMismatch = params.currentActiveViewName !== nextActiveViewName;
+  const filterMismatch = !areFiltersEqual(params.currentFilters, nextFilters);
+  const columnMismatch = !areColumnsEqual(params.currentViewColumns, nextColumns);
+
+  return {
+    shouldApply: nameMismatch || filterMismatch || columnMismatch,
+    nextFilters,
+    nextColumns,
+    nextActiveViewName,
+  };
+}