refactor(web): extract allocation release classification

2026-04-01 10:48:47 +02:00
parent 0ab1374853
commit ca947befde
5 changed files with 220 additions and 34 deletions
@@ -0,0 +1,114 @@
+import { describe, expect, it } from "vitest";
+import { resolveAllocationRelease } from "./timelineAllocationRelease.js";
+
+const BASE_ALLOC = {
+  isActive: true,
+  mode: "move" as const,
+  pointerDeltaX: 0,
+  daysDelta: 0,
+  allocationId: "alloc-1",
+  mutationAllocationId: null,
+  projectId: "project-1",
+  projectName: "Project One",
+  scope: "allocation" as const,
+  allocationStartDate: new Date("2025-01-01"),
+  allocationEndDate: new Date("2025-01-03"),
+  originalStartDate: new Date("2025-01-01"),
+  originalEndDate: new Date("2025-01-03"),
+  currentStartDate: new Date("2025-01-01"),
+  currentEndDate: new Date("2025-01-03"),
+};
+
+describe("timelineAllocationRelease", () => {
+  it("ignores inactive drags", () => {
+    expect(resolveAllocationRelease({ ...BASE_ALLOC, isActive: false }, { clickThresholdPx: 5, wasShift: false })).toEqual({
+      kind: "ignore",
+      preservePreview: false,
+    });
+  });
+
+  it("routes shift-click releases to multi-select toggling", () => {
+    expect(resolveAllocationRelease(BASE_ALLOC, { clickThresholdPx: 5, wasShift: true })).toEqual({
+      kind: "shift-click",
+      allocationId: "alloc-1",
+      preservePreview: false,
+    });
+  });
+
+  it("falls back to reset when click info cannot be built", () => {
+    expect(
+      resolveAllocationRelease(
+        {
+          ...BASE_ALLOC,
+          originalStartDate: null,
+          originalEndDate: null,
+        },
+        { clickThresholdPx: 5, wasShift: false },
+      ),
+    ).toEqual({
+      kind: "reset",
+      preservePreview: false,
+    });
+  });
+
+  it("builds a mutation outcome when the allocation dates changed", () => {
+    const currentStartDate = new Date("2025-01-02");
+    const currentEndDate = new Date("2025-01-04");
+
+    expect(
+      resolveAllocationRelease(
+        {
+          ...BASE_ALLOC,
+          daysDelta: 1,
+          pointerDeltaX: 20,
+          currentStartDate,
+          currentEndDate,
+        },
+        { clickThresholdPx: 5, wasShift: false },
+      ),
+    ).toEqual({
+      kind: "mutation",
+      preservePreview: true,
+      mutationPlan: {
+        activeAllocationId: "alloc-1",
+        currentStartDate,
+        currentEndDate,
+        baseMutationAllocationId: "alloc-1",
+        requiresExtraction: false,
+        pendingSnapshot: {
+          allocationId: "alloc-1",
+          mutationAllocationId: "alloc-1",
+          projectName: "Project One",
+          before: {
+            startDate: new Date("2025-01-01"),
+            endDate: new Date("2025-01-03"),
+          },
+          after: {
+            startDate: currentStartDate,
+            endDate: currentEndDate,
+          },
+        },
+      },
+    });
+  });
+
+  it("resets changed segment drags when no allocation id remains available", () => {
+    expect(
+      resolveAllocationRelease(
+        {
+          ...BASE_ALLOC,
+          allocationId: null,
+          scope: "segment",
+          daysDelta: 1,
+          pointerDeltaX: 20,
+          currentStartDate: new Date("2025-01-02"),
+          currentEndDate: new Date("2025-01-04"),
+        },
+        { clickThresholdPx: 5, wasShift: false },
+      ),
+    ).toEqual({
+      kind: "reset",
+      preservePreview: true,
+    });
+  });
+});