func (serv DeviceService) GetDevices(cursor string) DeviceList {
restError := restutil.GetRestError(serv.ResponseBuilder())
defer restutil.HandleErrors(restError)
var startKey map[string]dynamodb.Attribute
if len(cursor) > 0 {
startKey = make(map[string]dynamodb.Attribute)
startKey["alias"] = dynamodb.Attribute{S: cursor}
}
scanRequest := dynamodb.ScanRequest{ExclusiveStartKey: startKey, TableName: config.AWSConfigInstance().DynamoTable(), Limit: 1000}
response, err := dynamodb.ScanForItems(
scanRequest,
config.AWSConfigInstance().UserID(),
config.AWSConfigInstance().UserSecret(),
config.AWSConfigInstance().Region())
restutil.CheckError(err, restError, 500)
cursor = ""
if len(response.LastEvaluatedKey) != 0 {
cursor = response.LastEvaluatedKey["alias"].S
}
return DeviceList{convertToDevices(response.Items), cursor}
}
func (serv DeviceService) GetDevice(deviceAlias string) Device {
restError := restutil.GetRestError(serv.ResponseBuilder())
defer restutil.HandleErrors(restError)
key := make(map[string]dynamodb.Attribute)
key["alias"] = dynamodb.Attribute{S: deviceAlias}
getItemRequest := dynamodb.GetItemRequest{Key: key, TableName: config.AWSConfigInstance().DynamoTable()}
item, err := dynamodb.GetItem(
getItemRequest,
config.AWSConfigInstance().UserID(),
config.AWSConfigInstance().UserSecret(),
config.AWSConfigInstance().Region())
restutil.CheckError(err, restError, 500)
return Device{item["alias"].S, item["locale"].S, item["arns"].SS, item["tags"].SS}
}
func (serv DeviceService) RegisterDevice(device DeviceRegistration) {
restError := restutil.GetRestError(serv.ResponseBuilder())
defer restutil.HandleErrors(restError)
err := device.ValidateLocale()
restutil.CheckError(err, restError, 400)
arn, err := sns.RegisterDevice(
device.Id,
formatTags(device.Locale, device.Alias, device.Tags),
config.AWSConfigInstance().UserID(),
config.AWSConfigInstance().UserSecret(),
config.AWSConfigInstance().Region(),
config.AWSConfigInstance().PlatformApps()[device.PlatformApp].Arn())
restutil.CheckError(err, restError, 400)
key := make(map[string]dynamodb.Attribute)
key["alias"] = dynamodb.Attribute{S: device.Alias}
attributeUpdates := make(map[string]dynamodb.AttributeUpdate)
attributeUpdates["arns"] = dynamodb.AttributeUpdate{"ADD", dynamodb.Attribute{SS: []string{arn}}}
attributeUpdates["locale"] = dynamodb.AttributeUpdate{"PUT", dynamodb.Attribute{S: device.Locale}}
attributeUpdates["tags"] = dynamodb.AttributeUpdate{"ADD", dynamodb.Attribute{SS: device.Tags}}
updateItemRequest := dynamodb.UpdateItemRequest{
Key: key,
AttributeUpdates: attributeUpdates,
TableName: config.AWSConfigInstance().DynamoTable()}
err = dynamodb.UpdateItem(
updateItemRequest,
config.AWSConfigInstance().UserID(),
config.AWSConfigInstance().UserSecret(),
config.AWSConfigInstance().Region())
restutil.CheckError(err, restError, 500)
return
}