/// <summary>
/// issue a web request to add a stock tip for the current username.
/// Only submit the request if a stock is selected
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void AddStockButton_Click(object sender, EventArgs e)
{
MultipartFormDataContent form = new MultipartFormDataContent();
statusLabel.Text = $"adding stock tip to {DGV_Filter.CurrentRow.Cells[0].Value}";
//if selected row is not null run request,
//grab the first column value and sent it to post data for a request
if (DGV_Filter.SelectedRows != null)
{
//Anonymously set postdata request
//must have user enter a username(needed to run request)
//and a stock symbol must be picked to get add tip data
var postData = new[]
{
new{ k = "username", v = UsernameTextBox.Text },
new{ k = "action", v = "addtip" },
new{ k = "symbol", v = DGV_Filter.CurrentRow.Cells[0].Value.ToString() },//=DGV_currently_selected_stock_symbol
new{ k = "tip", v = addTipTextBox.Text }
};
// Transfer postdata to be sent
foreach (var item in postData)
{
form.Add(new StringContent(item.v), item.k);
}
}
else
{
statusLabel.Text = "error must select a stock";
}
//send POSTdata request to webservice, return and add new tip to symbol and database
using (HttpClient hc = new HttpClient())
{
//send post request
var postResponse = await hc.PostAsync(url, form);
//if there is content in request,
//read it as a string and call a decode method to Deserialized json data
if (postResponse.Content != null)
{
//seriealize content response as a string asynchronously
var stringResp = await postResponse.Content.ReadAsStringAsync();
//decode method to Deserialized json data and display to DGV_Tips
AddTipDecode(stringResp);//is this needded for add stocks
DGV_Tips.AutoResizeColumns();
}
}
}
/// <summary>
/// issue a web request for all available stock tips classified as newest ( obvious ).
/// For ALL stock tips, returns a bunch of the most recent additions ( newest first )
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void NewTipButton_Click(object sender, EventArgs e)
{
MultipartFormDataContent form = new MultipartFormDataContent();
statusLabel.Text = "getting newest stock tips";
//Anonymously set postdata request
//must have user enter a username(needed to run request)
var postData = new[]
{
new{ k = "username", v = UsernameTextBox.Text },
new{ k = "action", v = "tips" },
new{ k = "flag", v = "newest" }
};
// Transfer postdata to be sent
foreach (var item in postData)
{
form.Add(new StringContent(item.v), item.k);
}
//send POSTdata request to webservice, return and display data in DGV_filter
using (HttpClient hc = new HttpClient())
{
//send post request
var postResponse = await hc.PostAsync(url, form);
//if there is content in request,
//read it as a string and call a decode method to Deserialized json data
if (postResponse.Content != null)
{
//seriealize content response as a string asynchronously
var stringResp = await postResponse.Content.ReadAsStringAsync();
//decode method to Deserialized json data and display to DGV_Tips
TipDecode(stringResp);
DGV_Tips.AutoResizeColumns();
}
}
}