Prefer deadline as a Time instead of just ms

Author: mhart

README.md

@@ -11,10 +11,10 @@ and get tiny binaries (250kb) and single-digit millisecond cold starts!
 Create a `bootstrap.nim` with the following:
 
 ```nim
-import awslambda, json
+import awslambda, json, times
 
 proc handler(event: JsonNode, context: LambdaContext): JsonNode =
-  echo "Hi from nim!", context.awsRequestId, " Deadline is: ", context.deadlineMs, "ms"
+  echo "Hi from nim! Invocation will timeout at: ", context.deadline.format("yyyy-MM-dd'T'HH:mm:ss'.'fff")
 
   event["newKey"] = %*"newVal"
 
@@ -66,7 +66,7 @@ type
     logStreamName: string
     awsRequestId: string
     invokedFunctionArn: string
-    deadlineMs: int
+    deadline: Time
     identity: JsonNode
     clientContext: JsonNode
 ```

awslambda.nim

@@ -1,4 +1,4 @@
-import os, httpclient, json, strutils
+import os, httpclient, json, strutils, times
 
 type
   LambdaContext* = tuple
@@ -9,7 +9,7 @@ type
     logStreamName: string
     awsRequestId: string
     invokedFunctionArn: string
-    deadlineMs: int
+    deadline: Time
     identity: JsonNode
     clientContext: JsonNode
 
@@ -32,6 +32,8 @@ proc startLambda*(handler: proc(event: JsonNode, context: LambdaContext): JsonNo
 
     putEnv("_X_AMZN_TRACE_ID", res.headers.getOrDefault("Lambda-Runtime-Trace-Id"))
 
+    var deadlineMs = parseInt(res.headers.getOrDefault("Lambda-Runtime-Deadline-Ms"))
+
     var context: LambdaContext
     context = (
       functionName: functionName,
@@ -41,7 +43,7 @@ proc startLambda*(handler: proc(event: JsonNode, context: LambdaContext): JsonNo
       logStreamName: logStreamName,
       awsRequestId: string(res.headers.getOrDefault("Lambda-Runtime-Aws-Request-Id")),
       invokedFunctionArn: string(res.headers.getOrDefault("Lambda-Runtime-Invoked-Function-Arn")),
-      deadlineMs: parseInt(res.headers.getOrDefault("Lambda-Runtime-Deadline-Ms")),
+      deadline: initTime(deadlineMs div 1_000, (deadlineMs mod 1_000) * 1_000_000),
       identity: newJNull(),
       clientContext: newJNull(),
     )

awslambda.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.1.0"
+version       = "0.2.0"
 author        = "Michael Hart"
 description   = "A package to compile nim functions for AWS Lambda"
 license       = "MIT"