feat: Implement GET presigner for synthesizespeech (#354)

Author: wooj2

Packages/ClientRuntime/Sources/PrimitiveTypeExtensions/URL+Extension.swift

@@ -4,6 +4,7 @@
  */
 
 import Foundation
+public typealias URL = Foundation.URL
 extension URL {
     func toQueryItems() -> [URLQueryItem]? { return URLComponents(url: self,
                                                                   resolvingAgainstBaseURL: false)?.queryItems }

smithy-swift-codegen/src/main/kotlin/software/amazon/smithy/swift/codegen/ClientRuntimeTypes.kt

@@ -69,6 +69,7 @@ object ClientRuntimeTypes {
         val Data = runtimeSymbol("Data")
         val Document = runtimeSymbol("Document")
         val URLQueryItem = runtimeSymbol("URLQueryItem")
+        val URL = runtimeSymbol("URL")
         val ClientError = runtimeSymbol("ClientError")
         val SdkError = runtimeSymbol("SdkError")
         val ServiceError = runtimeSymbol("ServiceError")

smithy-swift-codegen/src/main/kotlin/software/amazon/smithy/swift/codegen/middleware/MiddlewareExecutionGenerator.kt

@@ -15,14 +15,16 @@ import software.amazon.smithy.swift.codegen.model.camelCaseName
 import software.amazon.smithy.swift.codegen.model.capitalizedName
 import software.amazon.smithy.swift.codegen.swiftFunctionParameterIndent
 
+typealias HttpMethodCallback = () -> String
 class MiddlewareExecutionGenerator(
     private val ctx: ProtocolGenerator.GenerationContext,
     private val writer: SwiftWriter,
     private val httpBindingResolver: HttpBindingResolver,
     private val httpProtocolCustomizable: HttpProtocolCustomizable,
     private val operationMiddleware: OperationMiddleware,
     private val operationStackName: String,
-    private val executionContext: MiddlewareRenderableExecutionContext
+    private val executionContext: MiddlewareRenderableExecutionContext,
+    private val httpMethodCallback: HttpMethodCallback? = null
 ) {
     private val model: Model = ctx.model
     private val symbolProvider = ctx.symbolProvider
@@ -40,8 +42,8 @@ class MiddlewareExecutionGenerator(
     }
 
     private fun renderContextAttributes(op: OperationShape) {
-        val httpTrait = httpBindingResolver.httpTrait(op)
-        val httpMethod = httpTrait.method.toLowerCase()
+        val httpMethod = resolveHttpMethod(op)
+
         // FIXME it over indents if i add another indent, come up with better way to properly indent or format for swift
         writer.write("  .withEncoder(value: encoder)")
         writer.write("  .withDecoder(value: decoder)")
@@ -60,6 +62,15 @@ class MiddlewareExecutionGenerator(
         httpProtocolCustomizable.renderContextAttributes(ctx, writer, serviceShape, op)
     }
 
+    private fun resolveHttpMethod(op: OperationShape): String {
+        return httpMethodCallback?.let {
+            it()
+        } ?: run {
+            val httpTrait = httpBindingResolver.httpTrait(op)
+            httpTrait.method.toLowerCase()
+        }
+    }
+
     private fun renderMiddlewares(op: OperationShape, operationStackName: String) {
         operationMiddleware.renderMiddleware(ctx.model, ctx.symbolProvider, writer, op, operationStackName, MiddlewareStep.INITIALIZESTEP, executionContext)
         operationMiddleware.renderMiddleware(ctx.model, ctx.symbolProvider, writer, op, operationStackName, MiddlewareStep.BUILDSTEP, executionContext)

smithy-swift-codegen/src/main/kotlin/software/amazon/smithy/swift/codegen/middleware/OperationMiddleware.kt

@@ -10,6 +10,8 @@ interface OperationMiddleware {
     fun prependMiddleware(operation: OperationShape, renderableMiddleware: MiddlewareRenderable)
     fun removeMiddleware(operation: OperationShape, step: MiddlewareStep, middlewareName: String)
 
+    fun clone(): OperationMiddleware
+
     fun renderMiddleware(
         model: Model,
         symbolProvider: SymbolProvider,

smithy-swift-codegen/src/main/kotlin/software/amazon/smithy/swift/codegen/middleware/OperationMiddlewareGenerator.kt

@@ -5,9 +5,9 @@ import software.amazon.smithy.model.Model
 import software.amazon.smithy.model.shapes.OperationShape
 import software.amazon.smithy.swift.codegen.SwiftWriter
 
-open class OperationMiddlewareGenerator : OperationMiddleware {
+open class OperationMiddlewareGenerator(val mutableHashMap: MutableMap<OperationShape, MiddlewareStack> = mutableMapOf()) : OperationMiddleware {
 
-    private var middlewareMap: MutableMap<OperationShape, MiddlewareStack> = mutableMapOf()
+    private var middlewareMap: MutableMap<OperationShape, MiddlewareStack> = mutableHashMap
 
     override fun appendMiddleware(operation: OperationShape, renderableMiddleware: MiddlewareRenderable) {
         val step = renderableMiddleware.middlewareStep
@@ -28,6 +28,20 @@ open class OperationMiddlewareGenerator : OperationMiddleware {
         }
     }
 
+    override fun clone(): OperationMiddleware {
+        val copy: MutableMap<OperationShape, MiddlewareStack> = mutableMapOf()
+        middlewareMap.forEach { (shape, stack) ->
+            copy[shape] = MiddlewareStack(
+                stack.initializeMiddlewares.toMutableList(),
+                stack.serializeMiddlewares.toMutableList(),
+                stack.buildMiddlewares.toMutableList(),
+                stack.finalizeMiddlewares.toMutableList(),
+                stack.deserializeMiddlewares.toMutableList()
+            )
+        }
+        return OperationMiddlewareGenerator(copy)
+    }
+
     override fun renderMiddleware(
         model: Model,
         symbolProvider: SymbolProvider,