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wip (throws not supported)

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ref #357
This commit is contained in:
Collin Barrett 2018-08-20 06:37:45 -05:00
parent 72761b624b
commit 7e85c96b65
1 changed files with 14 additions and 2 deletions
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16
src/FilterLists.Services/Snapshot/SnapshotBatch.cs
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@ -1,4 +1,5 @@
using System.Collections.Generic;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using FilterLists.Data;
@ -32,12 +33,23 @@ public async Task SaveAsync()
await dbContext.SaveChangesAsync();
}
private IQueryable<Rule> GetExistingRules() => dbContext.Rules.Where(r => lines.Contains(r.Raw));
private IQueryable<Rule> GetExistingRules()
{
var lineRules = lines.Select(l => new Rule {Raw = l});
return dbContext.Rules.Intersect(lineRules, new RuleRawEqualityComparer());
}
private List<Rule> CreateNewRules(IQueryable<Rule> existingRules) =>
lines.Except(existingRules.Select(r => r.Raw)).Select(r => new Rule {Raw = r}).ToList();
private void AddSnapshotRules(IQueryable<Rule> rules) =>
snapEntity.AddedSnapshotRules.AddRange(rules.Select(r => new SnapshotRule {Rule = r}));
private class RuleRawEqualityComparer : IEqualityComparer<Rule>
{
public bool Equals(Rule x, Rule y) => x?.Raw == y?.Raw;
public int GetHashCode(Rule obj) => throw new NotImplementedException();
}
}
}