feat: Add DiscountConditions (#1230)

* feat: Add DiscountCondition entity + Join table per relation (#1146) * feat: Convert DiscountService to TypeScript (#1149) * feat: Add DiscountRepository + bulk insert and remove (#1156) * feat: Add `conditions` to payload in `POST /discounts` and `POST /discounts/:id` (#1170) * feat: Add DiscountRuleCondition entity * fix relation * fix join key * Add discount rule condition repo * add join table per relation * Convert DiscountService to TypeScript * feat: Add DiscountConditionRepository * Add migration + remove use of valid_for * revert changes to files, not done yet * init work on create discount endpoint * Add conditions to create discount endpoint * Add conditions to update discount endpoint * Add unique constraint to discount condition * integration tests passing * fix imports of models * fix tests (excluding totals calculations) * Fix commented code * add unique constraint on discount condition * Add generic way of generating retrieve configs * Requested changes + ExactlyOne validator * Remove isLocal flag from error handler * Use postgres error constant * remove commented code * feat: Add `isValidForProduct` to check if Discount is valid for a given Product (#1172) * feat: Add `canApplyForCustomer` to check if Discount is valid for customer groups (#1212) * feat: Add `calculateDiscountForLineItem` (#1224) * feat: Adds discount condition test factory (#1228) * Remove use of valid_for * Tests passing * Remove valid_for form relations * Add integration tests for applying discounts to cart
2022-03-24 16:47:50 +01:00
parent b7f699654b
commit a610805917
60 changed files with 4805 additions and 2021 deletions
@@ -0,0 +1,83 @@
+import { pick } from "lodash"
+import { FindConfig } from "../types/common"
+
+type BaseEntity = {
+  id: string
+  created_at: Date
+}
+
+export function pickByConfig<TModel extends BaseEntity>(
+  obj: TModel | TModel[],
+  config: FindConfig<TModel>
+): Partial<TModel> | Partial<TModel>[] {
+  const fields = [...(config.select ?? []), ...(config.relations ?? [])]
+
+  if (fields.length) {
+    if (Array.isArray(obj)) {
+      return obj.map((o) => pick(o, fields))
+    } else {
+      return pick(obj, fields)
+    }
+  }
+  return obj
+}
+
+export function getRetrieveConfig<TModel extends BaseEntity>(
+  defaultFields: (keyof TModel)[],
+  defaultRelations: string[],
+  fields?: (keyof TModel)[],
+  expand?: string[]
+): FindConfig<TModel> {
+  let includeFields: (keyof TModel)[] = []
+  if (typeof fields !== "undefined") {
+    const fieldSet = new Set(fields)
+    fieldSet.add("id")
+    includeFields = Array.from(fieldSet) as (keyof TModel)[]
+  }
+
+  let expandFields: string[] = []
+  if (typeof expand !== "undefined") {
+    expandFields = expand
+  }
+
+  return {
+    select: includeFields.length ? includeFields : defaultFields,
+    relations: expandFields.length ? expandFields : defaultRelations,
+  }
+}
+
+export function getListConfig<TModel extends BaseEntity>(
+  defaultFields: (keyof TModel)[],
+  defaultRelations: string[],
+  fields?: (keyof TModel)[],
+  expand?: string[],
+  limit = 50,
+  offset = 0,
+  order?: { [k: symbol]: "DESC" | "ASC" }
+): FindConfig<TModel> {
+  let includeFields: (keyof TModel)[] = []
+  if (typeof fields !== "undefined") {
+    const fieldSet = new Set(fields)
+    // Ensure created_at is included, since we are sorting on this
+    fieldSet.add("created_at")
+    fieldSet.add("id")
+    includeFields = Array.from(fieldSet) as (keyof TModel)[]
+  }
+
+  let expandFields: string[] = []
+  if (typeof expand !== "undefined") {
+    expandFields = expand
+  }
+
+  const orderBy: Record<string, "DESC" | "ASC"> = order ?? {
+    created_at: "DESC",
+  }
+
+  return {
+    select: includeFields.length ? includeFields : defaultFields,
+    relations: expandFields.length ? expandFields : defaultRelations,
+    skip: offset,
+    take: limit,
+    order: orderBy,
+  }
+}