task-d.6.2

src/features/crm/shared/hot-project.ts

@@ -0,0 +1,63 @@
+import { addMonths, endOfDay, isValid, parse } from 'date-fns';
+
+const DATE_ONLY_PATTERN = /^\d{4}-\d{2}-\d{2}$/;
+
+export interface HotProjectResolutionInput {
+  projectCloseDate?: string | null;
+  isHotProject?: boolean | null;
+  hotProjectManuallyOverridden?: boolean | null;
+}
+
+export interface HotProjectResolution {
+  isHotProject: boolean;
+  hotProjectAutoSuggested: boolean;
+  hotProjectManuallyOverridden: boolean;
+}
+
+export function isValidDateOnlyString(value: string | null | undefined): value is string {
+  if (!value || !DATE_ONLY_PATTERN.test(value)) {
+    return false;
+  }
+
+  const parsed = parse(value, 'yyyy-MM-dd', new Date());
+  return isValid(parsed);
+}
+
+export function isHotProjectSuggested(projectCloseDate: string | null | undefined, now = new Date()) {
+  if (!isValidDateOnlyString(projectCloseDate)) {
+    return false;
+  }
+
+  const parsed = parse(projectCloseDate, 'yyyy-MM-dd', now);
+  return parsed.getTime() <= endOfDay(addMonths(now, 3)).getTime();
+}
+
+export function resolveHotProjectState(
+  input: HotProjectResolutionInput,
+  now = new Date()
+): HotProjectResolution {
+  const hotProjectAutoSuggested = isHotProjectSuggested(input.projectCloseDate, now);
+  const hotProjectManuallyOverridden = Boolean(input.hotProjectManuallyOverridden);
+
+  if (hotProjectManuallyOverridden) {
+    return {
+      isHotProject: Boolean(input.isHotProject),
+      hotProjectAutoSuggested,
+      hotProjectManuallyOverridden: true
+    };
+  }
+
+  if (hotProjectAutoSuggested) {
+    return {
+      isHotProject: true,
+      hotProjectAutoSuggested: true,
+      hotProjectManuallyOverridden: false
+    };
+  }
+
+  return {
+    isHotProject: Boolean(input.isHotProject),
+    hotProjectAutoSuggested: false,
+    hotProjectManuallyOverridden: false
+  };
+}