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example improvements #503

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merged 2 commits into from
Oct 4, 2024
Merged

example improvements #503

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5b786ce
example improvements
googley42 Oct 2, 2024
2be5686
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googley42 Oct 4, 2024
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14 changes: 8 additions & 6 deletions dynamodb/src/it/scala/zio/dynamodb/TypeSafeApiAlternateModeling.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,8 @@ import zio.schema.annotation.discriminatorName
import zio.schema.Schema
import zio.schema.DeriveSchema

// An example of using a model that uses only sum and product types
// An example of using a model that uses only sum and product types to represent a deep hierarchy - this the recommended
// approach for modelling deeply nested hierarchies.
object TypeSafeApiAlternateModeling extends DynamoDBLocalSpec {

object dynamo {
Expand All @@ -31,7 +32,7 @@ object TypeSafeApiAlternateModeling extends DynamoDBLocalSpec {
val (fixed, otp) = ProjectionExpression.accessors[GroupBody]
}

@discriminatorName("invoiceType")
@discriminatorName("contractType")
sealed trait ContractBody
object ContractBody {
final case class Simple(sku: String) extends ContractBody // simple types just have fields
Expand Down Expand Up @@ -72,7 +73,7 @@ object TypeSafeApiAlternateModeling extends DynamoDBLocalSpec {

val modelExperimentSuite = suite("alternate model")(
test("crud operations") {
withIdAndAccountIdGsiTable { invoiceTable =>
withIdAndAccountIdGsiTable { contractTable =>
import dynamo._
val abc = Contract(
"1",
Expand All @@ -84,11 +85,12 @@ object TypeSafeApiAlternateModeling extends DynamoDBLocalSpec {
val accountIdKey = Contract.accountId.partitionKey === Some("a1")
for {
_ <- DynamoDBQuery
.put(invoiceTable, abc)
.put(contractTable, abc)
.where(!Contract.id.exists) // expressions operate on top level fields
.execute
contract <- DynamoDBQuery.get(invoiceTable)(Contract.id.partitionKey === "1").execute.absolve
stream <- DynamoDBQuery.queryAll[Contract](invoiceTable).indexName("accountId").whereKey(accountIdKey).execute
contract <- DynamoDBQuery.get(contractTable)(Contract.id.partitionKey === "1").execute.absolve
stream <-
DynamoDBQuery.queryAll[Contract](contractTable).indexName("accountId").whereKey(accountIdKey).execute
xs <- stream.runCollect
} yield assertTrue(contract.contractType == "group:abc" && xs.size == 1)

Expand Down
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