async void Click_For_Get(object sender, EventArgs e)
{
string U_Input;
U_Input = Enter_Stock.Text;
string API_End = "https://www.alphavantage.co/query?function=TIME_SERIES_DAILY" + "&symbol=" + U_Input + "&apikey=" + API_Key;
Uri StockAPI = new Uri(API_End);
HttpClient client = new HttpClient();
HttpResponseMessage response = await client.GetAsync(StockAPI);
string Read_Json = await response.Content.ReadAsStringAsync();
var Stock_Info = StockData.FromJson(Read_Json);
Console.WriteLine(Read_Json);
if (Read_Json != StockAppVars.Error)
{
StockAppVars.ListOfStocks = Stock_Info.TimeSeriesDaily.Values.ToList();
StockAppVars.ListofDates = Stock_Info.TimeSeriesDaily.Keys.ToList();
List <DayData> DaysList = new List <DayData>();
for (int i = 0; i < StockAppVars.ListOfStocks.Count; i++)
{
//Single_Day.date = StockAppVars.ListofDates[i];
Single_Day.date = StockAppVars.ListofDates[i].ToString();
temp = Single_Day.date.Substring(4, 4).Trim('-');
Single_Day.date = ThisIsTheMonth[Convert.ToInt32(temp)] + " " + Single_Day.date.Substring(8, 2) + ", " + Single_Day.date.Substring(0, 4);
Single_Day.high = double.Parse(StockAppVars.ListOfStocks[i].The_High);
Single_Day.low = double.Parse(StockAppVars.ListOfStocks[i].The_Low);
Single_Day.close = double.Parse(StockAppVars.ListOfStocks[i].The_Close);
DaysList.Add(Single_Day);
Single_Day = new DayData();
}
historyListView.ItemsSource = DaysList;
Populate();
StockAppVars.R_Call = true;
}
else
{
DisplayAlert("Something went wrong", "Provided stock symbol not valid", "OK");
}
}
async void HandleGetStock(object sender, EventArgs e)
{
//USER INPUT
string UserInput;
UserInput = GetStock.Text; //User input that is used to retrieve the desired company ancronym
//adding the user input to the api endpoint, and converting it to a URI variable
string StockApiEndpoint = "https://www.alphavantage.co/query?function=TIME_SERIES_DAILY" + "&symbol=" + UserInput + "&apikey=" + key;
Uri StockApiUri = new Uri(StockApiEndpoint);
//A class instance that is used to send HTTP requests and receive HTTP responses
HttpClient client = new HttpClient();
//gets data from api
HttpResponseMessage response = await client.GetAsync(StockApiUri);
//string
string jsonContent = await response.Content.ReadAsStringAsync();
//parse into an object according to data model
var stockData = StockData.FromJson(jsonContent);
//if an error wasn't returned
if (jsonContent != GlobalVariables.ErrorString)
{
//convert dictionary to list
GlobalVariables.StockList = stockData.TimeSeriesDaily.Values.ToList();
GlobalVariables.DatesList = stockData.TimeSeriesDaily.Keys.ToList();
List <DayData> DayList = new List <DayData>();
for (int i = 0; i < 30; i++)
{
//data model equal to api equivalent.
//reminder parsing means to take one form of data and converting it to another
//data model defines how information is stoed and retrieced to support solution.
dailydata.date = GlobalVariables.DatesList[i];
dailydata.high = double.Parse(GlobalVariables.StockList[i].The2High);
dailydata.low = double.Parse(GlobalVariables.StockList[i].The3Low);
dailydata.close = double.Parse(GlobalVariables.StockList[i].The4Close);
//add dailydata to list
DayList.Add(dailydata);
dailydata = new DayData();
}
historyListView.ItemsSource = DayList;
//populate rest of the fields ins the page
populatePage();
GlobalVariables.retreived = true;
entries.Clear();
ChartView.Chart = new LineChart {
Entries = entries, BackgroundColor = SKColors.Transparent
};
FillChart();
ChartView.Chart = new LineChart {
Entries = entries, BackgroundColor = SKColors.Transparent,
};
}
else
{
await DisplayAlert("ERROR", "Invalid Stock Symbol", "OK");
}
}
async void GetStockButton_Clicked(object sender, EventArgs e)
{
//Getting company's acronym entered by the user in order to be added to the api endpoint
string userInput;
userInput = stockEntry.Text;
//Adding the user input to the base api endpoint and converting into an "Uri" variable.
string stockApiEndpoint = "https://www.alphavantage.co/query?function=TIME_SERIES_DAILY" + "&symbol=" + userInput + "&apikey=" + API_Key;
Uri stockApiUri = new Uri(stockApiEndpoint);
//creating a HTTP client variable
HttpClient client = new HttpClient();
//Response holder
HttpResponseMessage response = await client.GetAsync(stockApiUri);
//response stream into a string (we wait for the whole reponse to be received)
string jsonContent = await response.Content.ReadAsStringAsync();
//Parse into an object accroding to our data model (StockData)
var stockData = StockData.FromJson(jsonContent);
//Console.WriteLine(jsonContent);
if (jsonContent != GlobalVariables.errorString)
{
//Convert the dictionary into a list
GlobalVariables.stockList = stockData.TimeSeriesDaily.Values.ToList();
GlobalVariables.datesList = stockData.TimeSeriesDaily.Keys.ToList();
List <DayData> DaysList = new List <DayData>();
for (int i = 0; i < GlobalVariables.stockList.Count; i++)
{
//Console.WriteLine("test1");
//Console.WriteLine(datesList[i]);
//Console.WriteLine(stockList[i].The2High);
//Console.WriteLine(stockList[i].The3Low);
aDay.date = GlobalVariables.datesList[i];
aDay.high = double.Parse(GlobalVariables.stockList[i].The2High);
aDay.low = double.Parse(GlobalVariables.stockList[i].The3Low);
aDay.close = double.Parse(GlobalVariables.stockList[i].The4Close);
//Console.WriteLine("test2");
DaysList.Add(aDay);
//DaysList
//Console.WriteLine("test3");
//Console.WriteLine("test4");
//Console.WriteLine(DaysList[i].date);
//Console.WriteLine(DaysList[i].high);
//Console.WriteLine(DaysList[i].low);
//Console.WriteLine("test5");
aDay = new DayData();
//Console.WriteLine("test6");
}
//Setting the list as the source of the ListView
historyListView.ItemsSource = DaysList;
//populating the rest of the fields in the page
populatePage();
GlobalVariables.retreived = true;
}
else
{
DisplayAlert("ERROR", "Invalid Stock Symbol", "OK");
}
}
