From 5b1b1cdaaa1daaba660063fde0615571fa591f6e Mon Sep 17 00:00:00 2001
From: Kat Huang <kkathuang@gmail.com>
Date: Tue, 9 Jan 2024 16:28:48 -0700
Subject: [PATCH] WIP

---
 graphql/filter.ts           | 31 +++++++++++++++++++++++++++++++
 test/graphql/filter.test.ts | 28 ++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 graphql/filter.ts
 create mode 100644 test/graphql/filter.test.ts

diff --git a/graphql/filter.ts b/graphql/filter.ts
new file mode 100644
index 0000000..41f74e8
--- /dev/null
+++ b/graphql/filter.ts
@@ -0,0 +1,31 @@
+type BaseFilter = {
+	createVars: () => { [key: string]: any };
+};
+
+function createBaseFilter(key: string, content: any): BaseFilter {
+	return {
+		createVars: () => ({ [key]: content }),
+	};
+}
+
+export function createAndFilter(filters: Array<BaseFilter>): BaseFilter {
+	const filterVars = filters.map((filter) => filter.createVars());
+	return createBaseFilter("andFilters", { filters: filterVars });
+}
+
+export function createCategoryFilter(
+	feature: string,
+	value: string,
+): BaseFilter {
+	const content = { [feature]: { value } };
+	return createBaseFilter(feature, content);
+}
+
+export function createRangeFilter(
+	feature: string,
+	greaterThanEqualTo: number,
+	lessThan: number,
+): BaseFilter {
+	const content = { greaterThanEqualTo, lessThan };
+	return createBaseFilter(feature, content);
+}
diff --git a/test/graphql/filter.test.ts b/test/graphql/filter.test.ts
new file mode 100644
index 0000000..ca79b99
--- /dev/null
+++ b/test/graphql/filter.test.ts
@@ -0,0 +1,28 @@
+import { createAndFilter, createRangeFilter } from "../../graphql/filter";
+
+describe("create filterInput", () => {
+	it("should create a filter input with the correct structure", () => {
+		const feature = "cueObjectAngle";
+		const greaterThanEqualTo = 10;
+		const lessThan = 20;
+
+		const rangeFilter = createRangeFilter(
+			feature,
+			greaterThanEqualTo,
+			lessThan,
+		);
+		const andFilterInput = createAndFilter([rangeFilter]);
+		expect(andFilterInput.createVars()).toEqual({
+			andFilters: {
+				filters: [
+					{
+						[feature]: {
+							greaterThanEqualTo,
+							lessThan,
+						},
+					},
+				],
+			},
+		});
+	});
+});