Initial local backup snapshot

shared/materialEvent.ts

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+export const materialEventItems = [
+  { key: "tente3x3", label: "Tente 3*3" },
+  { key: "chapiteau5x5", label: "Chapiteau 5*5" },
+  { key: "podium", label: "Podium" },
+  { key: "autres", label: "Autres" },
+] as const;
+
+export const materialEventInventory: Record<(typeof materialEventItems)[number]["key"], number | null> = {
+  tente3x3: 12,
+  chapiteau5x5: 6,
+  podium: 2,
+  autres: null,
+};
+
+export const materialEventReplacementValues: Record<(typeof materialEventItems)[number]["key"], number | null> = {
+  tente3x3: 45000,
+  chapiteau5x5: 120000,
+  podium: 250000,
+  autres: null,
+};
+
+export type MaterialEventItemKey = (typeof materialEventItems)[number]["key"];
+export type MaterialEventSelection = Record<MaterialEventItemKey, boolean>;
+export type MaterialEventQuantities = Record<MaterialEventItemKey, string>;
+export type MaterialEventQuantityMap = Record<MaterialEventItemKey, number>;
+
+export const emptyMaterialEventSelection = (): MaterialEventSelection => ({
+  tente3x3: false,
+  chapiteau5x5: false,
+  podium: false,
+  autres: false,
+});
+
+export const emptyMaterialEventQuantities = (): MaterialEventQuantities => ({
+  tente3x3: "",
+  chapiteau5x5: "",
+  podium: "",
+  autres: "",
+});
+
+export function getMaterialEventLabel(key: MaterialEventItemKey | string) {
+  return materialEventItems.find((item) => item.key === key)?.label || String(key);
+}
+
+export function parseMaterialEventQuantity(value: unknown) {
+  const parsed = Number.parseInt(String(value ?? "").trim(), 10);
+  return Number.isFinite(parsed) && parsed > 0 ? parsed : 0;
+}
+
+export function emptyMaterialEventQuantityMap(initialValue: number = 0): MaterialEventQuantityMap {
+  return {
+    tente3x3: initialValue,
+    chapiteau5x5: initialValue,
+    podium: initialValue,
+    autres: initialValue,
+  };
+}
+
+export function sanitizeMaterialEventQuantityMap(rawValue: unknown): MaterialEventQuantityMap {
+  const next = emptyMaterialEventQuantityMap();
+
+  if (!rawValue || typeof rawValue !== "object") {
+    return next;
+  }
+
+  for (const item of materialEventItems) {
+    const value = (rawValue as Record<string, unknown>)[item.key];
+    next[item.key] = parseMaterialEventQuantity(value);
+  }
+
+  return next;
+}