fix: correct Lucid model mappings to match database schema

This fixes 'external_id', 'card_last_numbers', 'transaction_id', and 'product_id' mappings, and ensures many-to-many relationships use the correct pivot keys.

Author: gabaoun

app/models/product.ts

@@ -15,7 +15,12 @@ export default class Product extends BaseModel {
 
   @manyToMany(() => Transaction, {
     pivotTable: 'transaction_products',
+    localKey: 'id',
+    pivotForeignKey: 'product_id',
+    relatedKey: 'id',
+    pivotRelatedForeignKey: 'transaction_id',
     pivotColumns: ['quantity'],
+    pivotTimestamps: true,
   })
   declare transactions: ManyToMany<typeof Transaction>
 

app/models/transaction.ts

@@ -15,7 +15,7 @@ export default class Transaction extends BaseModel {
   @column({ columnName: 'gateway' })
   declare gatewayId: number | null
 
-  @column()
+  @column({ columnName: 'external_id' })
   declare externalId: string | null
 
   @column()
@@ -24,7 +24,7 @@ export default class Transaction extends BaseModel {
   @column()
   declare amount: number
 
-  @column()
+  @column({ columnName: 'card_last_numbers' })
   declare cardLastNumbers: string | null
 
   @belongsTo(() => Client)
@@ -35,6 +35,10 @@ export default class Transaction extends BaseModel {
 
   @manyToMany(() => Product, {
     pivotTable: 'transaction_products',
+    localKey: 'id',
+    pivotForeignKey: 'transaction_id',
+    relatedKey: 'id',
+    pivotRelatedForeignKey: 'product_id',
     pivotColumns: ['quantity'],
     pivotTimestamps: true,
   })

app/models/transaction_product.ts

@@ -5,10 +5,10 @@ export default class TransactionProduct extends BaseModel {
   @column({ isPrimary: true })
   declare id: number
 
-  @column()
+  @column({ columnName: 'transaction_id' })
   declare transactionId: number
 
-  @column()
+  @column({ columnName: 'product_id' })
   declare productId: number
 
   @column()