/// <summary>
/// Handles the source of the data, and operations relating to fetching the data.
/// </summary>
/// <param name="choice">The choice of source.</param>
/// <returns>The records fetched from the chosen source.</returns>
private static List <string> HandleSource(int choice)
{
var chosenSource = string.Empty;
dynamic config;
var inputs = new List <string>();
switch (choice)
{
case 1: // Manually entered
chosenSource = "Manual Entry";
inputs.Add(ChoiceHelper.TextInput("Enter the message to be analysed and hit enter:"));
break;
case 2: // Sample data
chosenSource = "Sample Data";
_dataSource = new TextFile("sample-data.zip");
inputs.AddRange(_dataSource.FetchData(
ChoiceHelper.NumericalInput("How many records from the sample data should we analyse? [1-10,000]:", 1, 10000)));
break;
case 3: // Custom data
chosenSource = "Custom Data";
_dataSource = new TextFile(ChoiceHelper.FilePathInput("File path of your text file (.txt file, 1 entry per line):"));
inputs.AddRange(_dataSource.FetchData(
ChoiceHelper.NumericalInput("How many records from the data should we analyse? [1-10,000]:", 1, 10000)));
break;
case 4: // Twitter query
chosenSource = "Twitter";
config = Configuration.FetchConfig <TwitterConfig>();
_dataSource = new Twitter(config);
inputs.AddRange(_dataSource.SearchData(
ChoiceHelper.TextInput("Enter a search term to search for on Twitter:"),
ChoiceHelper.NumericalInput("How many Tweets should we fetch? [10-100]", 10, 100)));
break;
case 5: // Speech (Default Mic)
chosenSource = "Speech";
config = Configuration.FetchConfig <VoiceConfig>();
_dataSource = new Voice(config);
inputs.AddRange(_dataSource.FetchData());
break;
}
Console.WriteLine("");
Console.WriteLine($"+ Using {chosenSource} as a source for the data +");
Console.WriteLine("");
return(inputs);
}
/// <summary>
/// Displays the options of which Analyser to use.
/// </summary>
private static void AnalyserOptions()
{
Console.WriteLine("What method of analysis should be used?");
Console.WriteLine("1) Azure Text Analytics");
Console.WriteLine("2) VADER");
ConfigureAnalyser(ChoiceHelper.MenuChoice(2));
}
/// <summary>
/// Shall we go for another run, or exit now?.
/// </summary>
/// <returns>True/False as to whether we should carry on.</returns>
private static bool GoAgain()
{
Console.WriteLine("");
Console.WriteLine("Want to do some more testing, or just exit?");
Console.WriteLine("1) Let's go again");
Console.WriteLine("2) Exit");
return(ChoiceHelper.MenuChoice(2) == 1);
}
/// <summary>
/// Displays the options of where the data can come from.
/// </summary>
private static List <string> SourceOptions()
{
Console.WriteLine("Where will the data to be analysed come from?");
Console.WriteLine("1) Manually entered message");
Console.WriteLine("2) Sample Data");
Console.WriteLine("3) Custom DataFile");
Console.WriteLine("4) Twitter Query");
Console.WriteLine("5) Speech (Default Mic)");
return(HandleSource(ChoiceHelper.MenuChoice(5)));
}
/// <summary>
/// Handles the output of the results
/// </summary>
/// <param name="results">The results to output in the chosen form.</param>
private static void HandleOutput(IReadOnlyCollection <AnalysisResult> results)
{
Console.WriteLine("Analysis Complete! How do you want to output your results?");
Console.WriteLine("1) Console output");
Console.WriteLine("2) JSON File (Sensible Option for large result sets)");
var choice = ChoiceHelper.MenuChoice(2);
switch (choice)
{
case 1:
Console.Clear();
Console.WriteLine("=====================================");
Console.WriteLine($"Displaying {results.Count} result(s)");
Console.WriteLine("=====================================");
Console.WriteLine("");
foreach (var result in results)
{
Console.WriteLine("==========");
Console.WriteLine($"Input: {result.Input}");
Console.WriteLine($"Language: {result.Language}");
Console.WriteLine(result.SentimentData == null
? $"Message: {result.Message}"
: $"Sentiment: {result.SentimentData.Sentiment} (+{result.SentimentData.Positive}, ={result.SentimentData.Neutral}, -{result.SentimentData.Negative})");
Console.WriteLine("==========");
}
break;
case 2:
var outputDir = ChoiceHelper.DirectoryPath(@"Which directory should the file be saved to? (e.g. E:\Output):");
Directory.CreateDirectory(outputDir);
var json = JsonConvert.SerializeObject(results, Formatting.Indented);
var fileOutput = Path.Combine(outputDir, $"{DateTime.Now:yyyyMMddHHmmss}-SentimentOutput.json");
File.WriteAllText(fileOutput, json);
Console.Clear();
Console.WriteLine($"+ File written to: {fileOutput} +");
break;
}
}