//public async Task<APIGatewayProxyResponse> FunctionHandler(JObject request, ILambdaContext context)
public async Task <List <Classtime> > FunctionHandler(JObject request, ILambdaContext context)
{
String buildingLetter = (String)request["BuildingLetter"];
String roomNumber = (String)request["RoomNumber"];
String day = (String)request["Day"];
BCSearchParams bcSearchParams = new BCSearchParams(buildingLetter, roomNumber, day);
TableHandlerRoomFinder tableHandler = new TableHandlerRoomFinder();
List <Classtime> classtimes = await tableHandler.ScanForRooms(bcSearchParams);
//Dictionary<String, object> headers = new Dictionary<string, object>();
//headers.Add("Access-Control-Allow-Origin", "*");
//Dictionary<String, object> response = new Dictionary<string, object>();
//response.Add("statusCode", 200);
//response.Add("headers", headers);
//response.Add("body", classtimes);
return(classtimes);
//return CreateResponse(classtimes);
}
public async Task <List <Classtime> > ScanForRooms(BCSearchParams bcSearchParams)
{
String variableBuildingLetter = ":v_" + ClasstimeAsString.building;
String variableRoomNumber = ":v_" + ClasstimeAsString.roomNumber;
String variableDay = ":v_" + ClasstimeAsString.day;
ScanRequest scanRequest = new ScanRequest()
{
TableName = base.tableName,
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
{ variableBuildingLetter, new AttributeValue()
{
S = bcSearchParams.buildingLetter
} },
{ variableRoomNumber, new AttributeValue()
{
S = bcSearchParams.roomNumber
} },
{ variableDay, new AttributeValue()
{
S = bcSearchParams.day
} }
},
//ExperssionAttributeNames allows me to swap using "#d" instead of "day",
//since "day" is a key word for the request
ExpressionAttributeNames = new Dictionary <string, string>()
{
{ "#d", ClasstimeAsString.day }
},
FilterExpression = ClasstimeAsString.building + " = " + variableBuildingLetter
+ " and " + ClasstimeAsString.roomNumber + " = " + variableRoomNumber
+ " and " + "#d" + " = " + variableDay
};
ScanResponse scanResponse = await dynamodbClient.ScanAsync(scanRequest);
Console.WriteLine("Number of Classtimes Found For classroom {0}: {1}",
bcSearchParams.buildingLetter + bcSearchParams.roomNumber,
scanResponse.Count);
List <Classtime> classtimes = new List <Classtime>();
foreach (Dictionary <string, AttributeValue> values in scanResponse.Items)
{
Classtime classtime = new Classtime()
{
id = values[ClasstimeAsString.id].S,
building = values[ClasstimeAsString.building].S,
roomNumber = values[ClasstimeAsString.roomNumber].S,
day = values[ClasstimeAsString.day].S,
startTime = Int32.Parse(values[ClasstimeAsString.startTime].N),
endTime = Int32.Parse(values[ClasstimeAsString.endTime].N),
classCode = values[ClasstimeAsString.classCode].S
};
classtimes.Add(classtime);
}
return(classtimes);
}
