/// <summary>
/// A test lambda function
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public void FunctionHandler(ILambdaContext context)
{
//Create a list to store all the users from the database query
List <User> UserList = new List <User>();
//Use the entity framework to create a request through the database context
using (var db = new canvasremindwebappContext())
{
//Put the whole database table into a list
UserList = db.User.ToList();
foreach (var user in UserList)
{
//Refresh the access token
Refresh(user).Wait();
}
}
//Use a new instance of the DbContext to get an updated database list to work from
using (var db = new canvasremindwebappContext())
{
List <User> users = new List <User>();
users = db.User.ToList();
//Do the rest of the steps
foreach (var u in users)
{
Message message = new Message();
GetCourses(u, message).Wait();
SendEmail(u, message);
SendText(u, message);
}
}
}
//Function to refresh the users access token
public async Task Refresh(User user)
{
//Setup a JSON data contract serializer to parse through the returned JSON parameters
var serializer = new DataContractJsonSerializer(typeof(Refresh));
HttpClient client = new HttpClient();
//Set the header values for the http request using a dictionary
var headerValues = new Dictionary <string, string>()
{
{ "grant_type", "refresh_token" },
{ "client_id", GetAWSParameter($"/CanvasProd/AppSecrets/Client_Id") },
{ "client_secret", GetAWSParameter($"/CanvasProd/AppSecrets/Client_Secret") },
{ "refresh_token", Decrypt(user.RefreshToken) }
//May need to add the redirect uri header parameter
};
//Form encode the header values for a POST request
var content = new FormUrlEncodedContent(headerValues);
//Send a POST request asynchronously
var response = await client.PostAsync("https://" + GetAWSParameter($"/CanvasProd/AppSecrets/CanvasURL") + "/login/oauth2/token", content);
//Read the response asynchronously
var stream = response.Content.ReadAsStreamAsync();
//Parse the results of the stream
var results = (Refresh)serializer.ReadObject(stream.Result); // <---- Change courses to an OAUTH class
//Update the database
using (var db = new canvasremindwebappContext())
{
var change = db.User.Where(b => b.Name == user.Name && b.Email == user.Email && b.Phone == user.Phone).FirstOrDefault();
change.AccessToken = Encrypt(results.accessToken);
db.SaveChanges(); //may have fixed the warning
}
}
