chore(inventory): convert to dml (#10569)

Fixes: FRMW-2848

Co-authored-by: Harminder Virk <1706381+thetutlage@users.noreply.github.com>

packages/core/utils/src/dml/__tests__/array-property.spec.ts

@@ -12,6 +12,7 @@ describe("Array property", () => {
         name: "array",
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/autoincrement-property.spec.ts

@@ -13,6 +13,7 @@ describe("Autoincrement property", () => {
         options: {},
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/base-property.spec.ts

@@ -1,6 +1,6 @@
+import { PropertyMetadata } from "@medusajs/types"
 import { expectTypeOf } from "expect-type"
 import { BaseProperty } from "../properties/base"
-import { PropertyMetadata } from "@medusajs/types"
 import { TextProperty } from "../properties/text"
 
 describe("Base property", () => {
@@ -20,6 +20,7 @@ describe("Base property", () => {
         name: "text",
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })
@@ -38,6 +39,7 @@ describe("Base property", () => {
         },
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })
@@ -59,6 +61,42 @@ describe("Base property", () => {
         name: "text",
       },
       nullable: true,
+      computed: false,
+      indexes: [],
+      relationships: [],
+    })
+  })
+
+  test("apply computed property", () => {
+    class StringProperty extends BaseProperty<string> {
+      protected dataType: PropertyMetadata["dataType"] = {
+        name: "text",
+      }
+    }
+
+    const property = new StringProperty().computed()
+    const property2 = new StringProperty().nullable().computed()
+
+    expectTypeOf(property["$dataType"]).toEqualTypeOf<string | null>()
+    expect(property.parse("username")).toEqual({
+      fieldName: "username",
+      dataType: {
+        name: "text",
+      },
+      nullable: false,
+      computed: true,
+      indexes: [],
+      relationships: [],
+    })
+
+    expectTypeOf(property2["$dataType"]).toEqualTypeOf<string | null>()
+    expect(property2.parse("username")).toEqual({
+      fieldName: "username",
+      dataType: {
+        name: "text",
+      },
+      nullable: true,
+      computed: true,
       indexes: [],
       relationships: [],
     })
@@ -81,6 +119,7 @@ describe("Base property", () => {
       },
       defaultValue: "foo",
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/big-number-property.spec.ts

@@ -12,6 +12,7 @@ describe("Big Number property", () => {
         name: "bigNumber",
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/boolean-property.spec.ts

@@ -12,6 +12,7 @@ describe("Boolean property", () => {
         name: "boolean",
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/date-time-property.spec.ts

@@ -12,6 +12,7 @@ describe("DateTime property", () => {
         name: "dateTime",
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/enum-schema.spec.ts

@@ -17,6 +17,7 @@ describe("Enum property", () => {
         },
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })
@@ -42,6 +43,7 @@ describe("Enum property", () => {
         },
       },
       nullable: true,
+      computed: false,
       indexes: [],
       relationships: [],
     })
@@ -66,6 +68,7 @@ describe("Enum property", () => {
         },
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })
@@ -90,6 +93,7 @@ describe("Enum property", () => {
         },
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/float-property.spec.ts

@@ -12,6 +12,7 @@ describe("Float property", () => {
         name: "float",
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/id-property.spec.ts

@@ -13,6 +13,7 @@ describe("Id property", () => {
         options: {},
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })
@@ -29,6 +30,7 @@ describe("Id property", () => {
         options: {},
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
       primaryKey: true,

packages/core/utils/src/dml/__tests__/json-property.spec.ts

@@ -12,6 +12,7 @@ describe("JSON property", () => {
         name: "json",
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })
@@ -30,6 +31,7 @@ describe("JSON property", () => {
         a: 1,
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/number-property.spec.ts

@@ -13,6 +13,7 @@ describe("Number property", () => {
         options: {},
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })

packages/core/utils/src/dml/__tests__/text-property.spec.ts

@@ -13,6 +13,7 @@ describe("Text property", () => {
         options: { searchable: false },
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
     })
@@ -29,6 +30,7 @@ describe("Text property", () => {
         options: { searchable: false },
       },
       nullable: false,
+      computed: false,
       indexes: [],
       relationships: [],
       primaryKey: true,

packages/core/utils/src/dml/helpers/entity-builder/create-big-number-properties.ts

@@ -41,10 +41,16 @@ export function createBigNumberProperties<Schema extends DMLSchema>(
         continue
       }
 
-      const jsonProperty = parsed.nullable
+      let jsonProperty = parsed.nullable
         ? new JSONProperty().nullable()
         : new JSONProperty()
 
+      if (parsed.computed) {
+        jsonProperty = jsonProperty.computed() as unknown as
+          | JSONProperty
+          | NullableModifier<Record<string, unknown>, JSONProperty>
+      }
+
       schemaWithBigNumber[`raw_${key}`] = jsonProperty
     }
   }

packages/core/utils/src/dml/helpers/entity-builder/define-property.ts

@@ -140,6 +140,10 @@ export function defineProperty(
     BeforeCreate()(MikroORMEntity.prototype, defaultValueSetterHookName)
   }
 
+  if (field.computed) {
+    return
+  }
+
   if (SPECIAL_PROPERTIES[field.fieldName]) {
     SPECIAL_PROPERTIES[field.fieldName](MikroORMEntity, field, tableName)
     return

packages/core/utils/src/dml/properties/base.ts

@@ -1,4 +1,5 @@
 import { PropertyMetadata, PropertyType } from "@medusajs/types"
+import { ComputedProperty } from "./computed"
 import { NullableModifier } from "./nullable"
 
 /**
@@ -48,6 +49,27 @@ export abstract class BaseProperty<T> implements PropertyType<T> {
     return new NullableModifier<T, this>(this)
   }
 
+  /**
+   * This method indicated that the property is a computed property.
+   * Computed properties are not stored in the database but are
+   * computed on the fly.
+   *
+   * @example
+   * import { model } from "@medusajs/framework/utils"
+   *
+   * const MyCustom = model.define("my_custom", {
+   *  calculated_price: model.bigNumber().computed(),
+   *  // ...
+   * })
+   *
+   * export default MyCustom
+   *
+   * @customNamespace Property Configuration Methods
+   */
+  computed() {
+    return new ComputedProperty<T | null, this>(this)
+  }
+
   /**
    * This method defines an index on a property.
    *
@@ -132,6 +154,7 @@ export abstract class BaseProperty<T> implements PropertyType<T> {
       fieldName,
       dataType: this.dataType,
       nullable: false,
+      computed: false,
       defaultValue: this.#defaultValue,
       indexes: this.#indexes,
       relationships: this.#relationships,

packages/core/utils/src/dml/properties/computed.ts

@@ -0,0 +1,39 @@
+import { PropertyType } from "@medusajs/types"
+
+const IsComputedProperty = Symbol.for("isComputedProperty")
+/**
+ * Computed property marks a schema node as computed
+ */
+export class ComputedProperty<T, Schema extends PropertyType<T>>
+  implements PropertyType<T | null>
+{
+  [IsComputedProperty]: true = true
+
+  static isComputedProperty(obj: any): obj is ComputedProperty<any, any> {
+    return !!obj?.[IsComputedProperty]
+  }
+  /**
+   * A type-only property to infer the JavScript data-type
+   * of the schema property
+   */
+  declare $dataType: T | null
+
+  /**
+   * The parent schema on which the computed property is
+   * applied
+   */
+  #schema: Schema
+
+  constructor(schema: Schema) {
+    this.#schema = schema
+  }
+
+  /**
+   * Returns the serialized metadata
+   */
+  parse(fieldName: string) {
+    const schema = this.#schema.parse(fieldName)
+    schema.computed = true
+    return schema
+  }
+}

packages/core/utils/src/dml/properties/index.ts

@@ -3,12 +3,13 @@ export * from "./autoincrement"
 export * from "./base"
 export * from "./big-number"
 export * from "./boolean"
+export * from "./computed"
 export * from "./date-time"
 export * from "./enum"
+export * from "./float"
 export * from "./id"
 export * from "./json"
 export * from "./nullable"
 export * from "./number"
-export * from "./float"
 export * from "./primary-key"
 export * from "./text"

packages/core/utils/src/dml/properties/nullable.ts

@@ -1,4 +1,5 @@
 import { PropertyType } from "@medusajs/types"
+import { ComputedProperty } from "./computed"
 
 const IsNullableModifier = Symbol.for("isNullableModifier")
 /**
@@ -28,6 +29,13 @@ export class NullableModifier<T, Schema extends PropertyType<T>>
     this.#schema = schema
   }
 
+  /**
+   * This method indicated that the property is a computed property.
+   */
+  computed() {
+    return new ComputedProperty<T | null, this>(this)
+  }
+
   /**
    * Returns the serialized metadata
    */

packages/core/utils/src/pg/integration-tests/__tests__/pg_utils.spec.ts

@@ -1,9 +1,9 @@
 import { dropDatabase } from "pg-god"
 import {
   createClient,
-  parseConnectionString,
-  dbExists,
   createDb,
+  dbExists,
+  parseConnectionString,
 } from "../../index"
 
 const DB_HOST = process.env.DB_HOST ?? "localhost"