/// <summary>
/// A simple function that takes a string and returns both the upper and lower case version of the string.
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task FunctionHandler(S3Event evnt, ILambdaContext context)
{
string bucket = evnt.Records[0].S3.Bucket.Name;
string key = evnt.Records[0].S3.Object.Key;
Console.WriteLine(bucket);
Console.WriteLine(key);
string objectId = key.Substring(key.LastIndexOf("/") + 1);
Console.WriteLine(objectId);
var options = await new GraphQLHttpClientOptions()
.ConfigureAppSync(
GraphQLEndpoint,
appSyncClient.Config
);
_graphQlClient = new GraphQLHttpClient(options, new SystemTextJsonSerializer());
var sfnInput = new SfnExecutionInput()
{
objectId = objectId,
Bucket = bucket,
SourceKey = key
};
var startWorkflowMutation = new GraphQLRequest
{
Query = @"
mutation StartSfnExecution(
$input: StartSfnExecutionInput!
) {
startSfnExecution(input: $input) {
executionArn
startDate
}
}",
OperationName = "StartSfnExecution",
Variables = new
{
input = new
{
input = JsonSerializer.Serialize(sfnInput),
stateMachineArn = StateMachineArn
},
}
};
var workflowMutationResponse = await _graphQlClient.SendMutationAsync <StartWorkflowResult>(startWorkflowMutation);
Console.WriteLine(JsonSerializer.Serialize(workflowMutationResponse.Data.startSfnExecution));
var updatePhotoRequest = new GraphQLRequest
{
Query = @"
mutation UpdatePhotoMutation(
$input: UpdatePhotoInput!
$condition: ModelPhotoConditionInput
) {
updatePhoto(input: $input, condition: $condition) {
id
albumId
owner
uploadTime
bucket
sfnExecutionArn
processingStatus
}
}",
OperationName = "UpdatePhotoMutation",
Variables = new
{
input = new
{
id = objectId,
sfnExecutionArn = workflowMutationResponse.Data.startSfnExecution.executionArn,
processingStatus = "RUNNING"
}
}
};
var photoUpdateMutationResponse = await _graphQlClient.SendMutationAsync <UpdatePhotoResponse>(updatePhotoRequest);
Console.WriteLine(JsonSerializer.Serialize(photoUpdateMutationResponse.Data));
}
/// <summary>
/// A simple function that takes a string and returns both the upper and lower case version of the string.
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task FunctionHandler(InputEvent input, ILambdaContext context)
{
string graphQlEndpoint = System.Environment.GetEnvironmentVariable(GRAPHQL_ENDPOINT);
var options = await new GraphQLHttpClientOptions()
.ConfigureAppSync(
graphQlEndpoint,
appSyncClient.Config
);
_graphQlClient = new GraphQLHttpClient(options, new SystemTextJsonSerializer());
const string UPDATE_PHOTO = @"
mutation UpdatePhotoMutation(
$input: UpdatePhotoInput!
$condition: ModelPhotoConditionInput
) {
updatePhoto(input: $input, condition: $condition) {
id
fullsize {
key
width
height
}
thumbnail {
key
width
height
}
format
exifMake
exitModel
objectDetected
processingStatus
geoLocation {
latitude {
d
m
s
direction
}
longtitude {
d
m
s
direction
}
}
}
}";
var thumbnail = JsonSerializer.Deserialize <Thumbnail>(JsonSerializer.Serialize(input.ParallelResults[1]));
List <Label> labels = JsonSerializer.Deserialize <List <Label> >(JsonSerializer.Serialize(input.ParallelResults[0]));
var updatePhotoMutation = new GraphQLRequest
{
Query = UPDATE_PHOTO,
OperationName = "UpdatePhotoMutation",
Variables = new
{
input = new
{
id = input.ObjectId,
processingStatus = "SUCCEEDED",
fullsize = new {
key = input.SourceKey,
width = input.ExtractedMetadata?.Dimensions?.Width,
height = input.ExtractedMetadata?.Dimensions?.Height,
},
format = input.ExtractedMetadata?.Format,
exifMake = input.ExtractedMetadata?.ExifMake,
exitModel = input.ExtractedMetadata?.ExifModel,
thumbnail = new {
key = thumbnail?.s3key,
width = thumbnail?.width,
height = thumbnail?.height,
},
objectDetected = labels.Select(l => l.Name).ToArray(),
geoLocation = input.ExtractedMetadata?.Geo
}
}
};
var photoUpdateMutationResponse = await _graphQlClient.SendMutationAsync <object>(updatePhotoMutation);
Console.WriteLine(JsonSerializer.Serialize(photoUpdateMutationResponse));
}