/// <summary>
/// Writes the file to the specified target.
/// </summary>
/// <param name="entries">The entries to write.</param>
/// <param name="target">The target to write to.</param>
/// <exception cref="NotImplementedException"></exception>
private static async Task WriteFile(CsvGamesList entries, string target)
{
using (var output = new StreamWriter(target, false)) {
// header line
await output.WriteLineAsync(entries.GetHeaderLine(nameColumn, defaultDelimiter));
// entries
foreach (var entry in entries.Games)
{
await output.WriteLineAsync(entry.ToCSVString(defaultDelimiter));
}
}
}
/// <summary>
/// Removes entries in the main file that are in the secondary
/// </summary>
/// <param name="main">The path to the main file.</param>
/// <param name="secondary">The path to the secondary file.</param>
/// <param name="target">The path to the target file.</param>
/// <param name="messageHandler">The message handler.</param>
/// <returns></returns>
public async Task Remove(string main, string secondary, string target, IMessageHandler messageHandler)
{
await WorkOnTwoFiles(main, secondary, target, messageHandler, "", (main, sec) => {
var result = new CsvGamesList();
foreach (var me in main.Games)
{
if (!sec.Games.Any(se => se.Name.Equals(me.Name, StringComparison.InvariantCultureIgnoreCase)))
{
result.Add(me);
}
}
return(result);
});
}
/// <summary>
/// Keeps files that are listed in both files
/// </summary>
/// <param name="main">The path to the main file.</param>
/// <param name="secondary">The path to the secondary file.</param>
/// <param name="target">The path to the target file.</param>
/// <param name="messageHandler">The message handler.</param>
public async Task Keep(string main, string secondary, string target, IMessageHandler messageHandler)
{
await WorkOnTwoFiles(main, secondary, target, messageHandler, "Filter entries in a CSV files", (main, sec) => {
var result = new CsvGamesList();
foreach (var me in main.Games)
{
// keep entries from the main file that also exist in the secondary
if (sec.Games.Any(se => se.Name == me.Name))
{
result.Add(me);
}
}
return(result);
});
}
/// <summary>
/// Merges the specified main and secondary files to the target file.
/// </summary>
/// <param name="main">The path to the main file.</param>
/// <param name="secondary">The path to the secondary file.</param>
/// <param name="target">The path to the target file.</param>
/// <param name="messageHandler">The message handler.</param>
public async Task Merge(string main, string secondary, string target, IMessageHandler messageHandler)
{
await WorkOnTwoFiles(main, secondary, target, messageHandler, "Merge two CSV files", (main, sec) => {
var result = new CsvGamesList(main.Games);
foreach (var secg in sec.Games)
{
var maing = main.Games.Where(me => me.Name == secg.Name).FirstOrDefault();
if (maing == null)
{
// entry is in secondary but not main file: copy to result
result.Add(secg);
}
else
{
// entry is already in main: copy additional data
result.CopyEntry(secg);
}
}
return(result);
});
}
/// <summary>
/// Initializes a new instance of the <see cref="GameEntry" /> class.
/// </summary>
/// <param name="list">The reference to the main games list.</param>
/// <param name="name">The name.</param>
/// <param name="values">The values.</param>
public GameEntry(CsvGamesList list, string name, IDictionary <string, string> values)
{
this.listRef = list ?? throw new ArgumentNullException(nameof(list));
this.Name = name;
this.Values = new SortedDictionary <string, string>(values);
}
/// <summary>
/// Initializes a new instance of the <see cref="GameEntry"/> class.
/// </summary>
/// <param name="list">The reference list.</param>
/// <param name="copyFrom">The entry to copy from.</param>
public GameEntry(CsvGamesList list, GameEntry copyFrom)
{
this.listRef = list;
this.Name = copyFrom.Name;
this.Values = copyFrom.Values;
}
