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AddRange() support for ICollection

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Collin M. Barrett 2018-02-05 15:21:44 -06:00
parent 51b649b1af
commit b5ed619476
1 changed files with 16 additions and 5 deletions
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21
src/FilterLists.Services/SnapshotService/SnapshotBatchDe.cs
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@ -31,7 +31,7 @@ public void SaveSnapshotBatch()
private void AddNewRules()
{
preExistingSnapshotRules = dbContext.Rules.Where(rule => rawRules.Contains(rule.Raw)).AsNoTracking();
preExistingSnapshotRules = dbContext.Rules.Where(rule => rawRules.Contains(rule.Raw));
var newSnapshotRawRules = rawRules.Except(preExistingSnapshotRules.Select(x => x.Raw));
newSnapshotRules = newSnapshotRawRules.Select(newSnapshotRawRule => new Rule {Raw = newSnapshotRawRule})
.ToList();
@ -40,10 +40,21 @@ private void AddNewRules()
private void AddSnapshotRules()
{
snapshot.SnapshotRules = preExistingSnapshotRules
.Concat(newSnapshotRules)
.Select(rule => new SnapshotRule {Rule = rule, Snapshot = snapshot})
.ToList();
if (snapshot.SnapshotRules == null)
snapshot.SnapshotRules = new List<SnapshotRule>();
snapshot.SnapshotRules.AddRange(preExistingSnapshotRules
.Concat(newSnapshotRules)
.Select(rule => new SnapshotRule {Rule = rule, Snapshot = snapshot})
.ToList());
}
}
public static class CollectionExtensions
{
public static void AddRange<T>(this ICollection<T> destination, IEnumerable<T> source)
{
foreach (var item in source)
destination.Add(item);
}
}
}