// return all tea names from db
public string GetTeaNames()
{
try
{
TeastoreDataModel db = new TeastoreDataModel();
string allnames = "";
var allteasnames = db.Teas.Select(d => d.Name);
foreach (string name in allteasnames)
{
allnames = allnames + name + ", ";
}
// to remove space and comma at the end of the string
allnames = allnames.TrimEnd(' ', ',');
return(allnames);
}
catch (ArgumentNullException e)
{
return("No teas in the database now.");
}
catch (Exception e)
{
return("Error: " + e.Message);
}
}
// get tea details by name
public string GetTeaInfo(string teaName)
{
try
{
TeastoreDataModel db = new TeastoreDataModel();
Tea tea = db.Teas.Where(d => d.Name == teaName).FirstOrDefault();
return(tea.ToString());
}
catch (ArgumentNullException e)
{
return("No such tea name exists in the database.");
}
catch (Exception e)
{
return("Error: " + e.Message);
}
}
// return all entries
public List <Tea> GetAllTeas()
{
TeastoreDataModel db = new TeastoreDataModel();
return(db.Teas.ToList());
}