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Update api template to use new Random APIs #46298

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merged 1 commit into from
Jan 27, 2023
Merged

Update api template to use new Random APIs #46298

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27 changes: 11 additions & 16 deletions src/ProjectTemplates/Web.ProjectTemplates/content/Api-CSharp/Todo.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,43 +22,38 @@ private static readonly (string[] Prefixes, string[] Suffixes)[] _parts = new[]

internal static IEnumerable<Todo> GenerateTodos(int count = 5)
{
var titleMap = new List<(int Row, int Prefix, int Suffix)>();
var titleCount = _parts.Sum(row => row.Prefixes.Length * row.Suffixes.Length);
var titleMap = new (int Row, int Prefix, int Suffix)[titleCount];
var mapCount = 0;
for (var i = 0; i < _parts.Length; i++)
{
var prefixes = _parts[i].Prefixes;
var suffixes = _parts[i].Suffixes;
for (int j = 0; j < prefixes.Length; j++)
for (var j = 0; j < prefixes.Length; j++)
{
for (int k = 0; k < suffixes.Length; k++)
for (var k = 0; k < suffixes.Length; k++)
{
titleMap.Add((i, j, k));
titleMap[mapCount++] = (i, j, k);
}
}
}

var random = new Random();
Random.Shared.Shuffle(titleMap);

for (var id = 1; id <= count; id++)
{
var (rowIndex, prefixIndex, suffixIndex) = titleMap[id];
var (prefixes, suffixes) = _parts[rowIndex];
yield return new Todo
{
Id = id,
Title = GetNextTitle(),
DueBy = random.Next(-200, 365) switch
Title = string.Join(' ', prefixes[prefixIndex], suffixes[suffixIndex]),
DueBy = Random.Shared.Next(-200, 365) switch
{
< 0 => null,
var days => DateOnly.FromDateTime(DateTime.Now.AddDays(days))
}
};

string GetNextTitle()
{
var index = random.Next(0, titleMap.Count - 1);
var map = titleMap[index];
var row = _parts[map.Row];
titleMap.RemoveAt(index);
return string.Join(' ', row.Prefixes[map.Prefix], row.Suffixes[map.Suffix]);
}
}
}
}