feat(pricing,types,utils): Move calculate pricing query to a repository + rule type validation (#5294)

packages/utils/src/pricing/__tests__/get-invalid-rule-attributes.spec.ts

@@ -0,0 +1,17 @@
+import { getInvalidRuleAttributes } from ".."
+
+describe("getInvalidRuleAttributes", function () {
+  it("should return list of rule attributes that matches reserved keywords", function () {
+    let result = getInvalidRuleAttributes(["shouldnotmatch"])
+    expect(result).toEqual([])
+
+    result = getInvalidRuleAttributes(["currency_code", "shouldnotmatch"])
+    expect(result).toEqual(["currency_code"])
+
+    result = getInvalidRuleAttributes(["currency_code", "price_list_id"])
+    expect(result).toEqual(["currency_code", "price_list_id"])
+
+    result = getInvalidRuleAttributes(["shouldnotmatch", "quantity"])
+    expect(result).toEqual(["quantity"])
+  })
+})

packages/utils/src/pricing/__tests__/validate-rule-attributes.spec.ts

@@ -0,0 +1,28 @@
+import { validateRuleAttributes } from ".."
+
+describe("validateRuleAttributes", function () {
+  it("should return void if there are no validation errors", function () {
+    let result = validateRuleAttributes(["shouldpasswithouterrors"])
+
+    expect(result).toEqual(undefined)
+  })
+
+  it("should throw an error if one of the array strings matches a reserved keyword", function () {
+    let error
+
+    try {
+      validateRuleAttributes([
+        "currency_code",
+        "shouldnotbepresent",
+        "quantity",
+        "price_list_id",
+      ])
+    } catch (e) {
+      error = e
+    }
+
+    expect(error.message).toEqual(
+      "Can't create rule_attribute with reserved keywords [quantity, currency_code, price_list_id] - quantity, currency_code, price_list_id"
+    )
+  })
+})

packages/utils/src/pricing/index.ts

@@ -0,0 +1,38 @@
+import { MedusaError } from "../common"
+
+export const ReservedPricingRuleAttributes = [
+  "quantity",
+  "currency_code",
+  "price_list_id",
+]
+
+type RuleAttributeInput = string | undefined
+
+export const getInvalidRuleAttributes = (
+  ruleAttributes: RuleAttributeInput[]
+): string[] => {
+  const invalidRuleAttributes: string[] = []
+
+  for (const attribute of ReservedPricingRuleAttributes) {
+    if (ruleAttributes.indexOf(attribute) > -1) {
+      invalidRuleAttributes.push(attribute)
+    }
+  }
+
+  return invalidRuleAttributes
+}
+
+export const validateRuleAttributes = (
+  ruleAttributes: RuleAttributeInput[]
+): void => {
+  const invalidRuleAttributes = getInvalidRuleAttributes(ruleAttributes)
+
+  if (invalidRuleAttributes.length) {
+    throw new MedusaError(
+      MedusaError.Types.INVALID_DATA,
+      `Can't create rule_attribute with reserved keywords [${ReservedPricingRuleAttributes.join(
+        ", "
+      )}] - ${invalidRuleAttributes.join(", ")}`
+    )
+  }
+}