support consume point

src/utils/point.ts

@@ -1,5 +1,10 @@
 import PointAPI from "@/api/PointAPI";
-import type { PointRule } from "@/types/Point";
+import type { PointAction, PointRule } from "@/types/Point";
+
+export type SourceValueConfig = {
+	range: [number, number];
+	action: PointAction;
+};
 
 /**
  * 查询一组事件可用的自定义积分范围，并返回所有规则范围的交集。
@@ -8,6 +13,16 @@ import type { PointRule } from "@/types/Point";
  * @returns 可用范围；没有完整有效的 SOURCE_VALUE 规则时返回 undefined
  */
 export async function loadSourceValueRange(eventIdList: string[]): Promise<[number, number] | undefined> {
+	return (await loadSourceValueConfig(eventIdList))?.range;
+}
+
+/**
+ * 查询登记时自定义积分的数量范围和积分动作。
+ *
+ * @param eventIdList 事件 ID 列表
+ * @returns 所有事件规则的共同配置
+ */
+export async function loadSourceValueConfig(eventIdList: string[]): Promise<SourceValueConfig | undefined> {
 	if (!eventIdList.length) {
 		return undefined;
 	}
@@ -34,16 +49,21 @@ export async function loadSourceValueRange(eventIdList: string[]): Promise<[numb
 			&& range.max !== undefined
 			&& Number.isSafeInteger(range.min)
 			&& Number.isSafeInteger(range.max)
-			&& 0 < range.min
-			&& 0 < range.max
+			&& range.min !== 0
+			&& range.max !== 0
+			&& (range.min < 0) === (range.max < 0)
 		));
 	if (rangeList.length !== ruleList.length) {
 		return undefined;
 	}
 
-	const min = Math.max(...rangeList.map(range => range.min), 1);
-	const max = Math.min(...rangeList.map(range => range.max));
-	return min <= max ? [min, max] : undefined;
+	const action = rangeList[0].min < 0 ? "CONSUME" : "EARN";
+	if (rangeList.some(range => (range.min < 0 ? "CONSUME" : "EARN") !== action)) {
+		return undefined;
+	}
+	const min = Math.max(...rangeList.map(range => action === "CONSUME" ? Math.abs(range.max) : range.min), 1);
+	const max = Math.min(...rangeList.map(range => action === "CONSUME" ? Math.abs(range.min) : range.max));
+	return min <= max ? { range: [min, max], action } : undefined;
 }
 
 function isSourceValueRule(rule: PointRule): boolean {