updated entity & decimal transformer

database/entity/0027-decimal_types/Transaction.ts

@@ -0,0 +1,146 @@
+import Decimal from 'decimal.js-light'
+import { BaseEntity, Entity, PrimaryGeneratedColumn, Column } from 'typeorm'
+import { DecimalTransformer } from '../../src/typeorm/DecimalTransformer'
+
+@Entity('transactions')
+export class Transaction extends BaseEntity {
+  @PrimaryGeneratedColumn('increment', { unsigned: true })
+  id: number
+
+  @Column({ name: 'user_id', unsigned: true, nullable: false })
+  userId: number
+
+  @Column({ unsigned: true, nullable: true, default: null })
+  previous: number
+
+  @Column({ name: 'type_id', unsigned: true, nullable: false })
+  typeId: number
+
+  @Column({
+    name: 'dec_amount',
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: false,
+    transformer: DecimalTransformer,
+  })
+  decAmount: Decimal
+
+  @Column({
+    name: 'dec_balance',
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: false,
+    transformer: DecimalTransformer,
+  })
+  decBalance: Decimal
+
+  @Column({
+    name: 'balance_date',
+    type: 'datetime',
+    default: () => 'CURRENT_TIMESTAMP',
+    nullable: false,
+  })
+  balanceDate: Date
+
+  @Column({
+    name: 'dec_decay',
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: false,
+    transformer: DecimalTransformer,
+  })
+  decDecay: Decimal
+
+  @Column({
+    name: 'decay_start',
+    type: 'datetime',
+    nullable: true,
+    default: null,
+  })
+  decayStart: Date | null
+
+  @Column({ type: 'bigint', nullable: false })
+  amount: BigInt
+
+  @Column({ length: 255, nullable: false, collation: 'utf8mb4_unicode_ci' })
+  memo: string
+
+  @Column({
+    name: 'send_sender_final_balance',
+    type: 'bigint',
+    nullable: true,
+    default: null,
+  })
+  sendSenderFinalBalance: BigInt | null
+
+  @Column({ name: 'balance', type: 'bigint', default: 0 })
+  balance: BigInt
+
+  @Column({ name: 'creation_date', type: 'timestamp', nullable: true, default: null })
+  creationDate: Date
+
+  @Column({
+    name: 'linked_user_id',
+    type: 'int',
+    unsigned: true,
+    nullable: true,
+    default: null,
+  })
+  linkedUserId?: number | null
+
+  @Column({
+    name: 'linked_transaction_id',
+    type: 'int',
+    unsigned: true,
+    nullable: true,
+    default: null,
+  })
+  linkedTransactionId?: number | null
+
+  @Column({
+    name: 'temp_dec_send_sender_final_balance',
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: true,
+    default: null,
+    transformer: DecimalTransformer,
+  })
+  tempDecSendSenderFinalBalance: Decimal
+
+  @Column({
+    name: 'temp_dec_diff_send_sender_final_balance',
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: true,
+    default: null,
+    transformer: DecimalTransformer,
+  })
+  tempDecDiffSendSenderFinalBalance: Decimal
+
+  @Column({
+    name: 'temp_dec_old_balance',
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: true,
+    default: null,
+    transformer: DecimalTransformer,
+  })
+  tempDecOldBalance: Decimal
+
+  @Column({
+    name: 'temp_dec_diff_balance',
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: true,
+    default: null,
+    transformer: DecimalTransformer,
+  })
+  tempDecDiffBalance: Decimal
+}

database/entity/Transaction.ts

@@ -1 +1 @@
-export { Transaction } from './0026-clean_transaction_table/Transaction'
+export { Transaction } from './0027-decimal_types/Transaction'

database/src/typeorm/DecimalTransformer.ts

@@ -0,0 +1,14 @@
+import Decimal from 'decimal.js-light'
+import { ValueTransformer } from 'typeorm'
+
+export const DecimalTransformer: ValueTransformer = {
+  /**
+   * Used to marshal Decimal when writing to the database.
+   */
+  to: (decimal: Decimal | null): string | null => (decimal ? decimal.toString() : null),
+
+  /**
+   * Used to unmarshal Decimal when reading from the database.
+   */
+  from: (decimal: string | null): Decimal | null => (decimal ? new Decimal(decimal) : null),
+}