public SubstitutionsMonitor(IEnumerable <ISubstitutionProvider> providers, ISubstitutionProvider initialSubstitutionProvider = null)
{
Substitutions initialSubstitutions = null;
if (initialSubstitutionProvider != null)
{
var task = initialSubstitutionProvider.GetSubstitutionsAsync();
task.Wait();
initialSubstitutions = task.Result;
}
foreach (var provider in providers)
{
provider.OnSubstitutionsUpdated += async(Substitutions substitutions) =>
{
await Task.WhenAll(providers
.Where(p => p != provider)
.Select(p => p.UpdateSubstitutionsAsync(substitutions)));
};
if (initialSubstitutions != null && !initialSubstitutionProvider.Equals(provider))
{
provider.UpdateSubstitutionsAsync(initialSubstitutions).Wait();
}
}
}
public async Task UpdateSubstitutionsAsync(Substitutions substitutions)
{
watcher.EnableRaisingEvents = false;
await this.fileLoader.saveFileAsync(substitutions, this.file);
watcher.EnableRaisingEvents = true;
}
public async Task saveFileAsync(Substitutions substitutions, string path)
{
Console.WriteLine("Writing JSON");
var content = JsonSerializer.Serialize(substitutions, new JsonSerializerOptions
{
WriteIndented = true,
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
});
await File.WriteAllTextAsync(path, content);
}
public async Task saveFileAsync(Substitutions newSubstitutions, string path)
{
Console.WriteLine("Writing Mac");
using (var connection = GetConnection(path))
{
await connection.OpenAsync();
var existingSubstitutions = await loadSubstitutionsFromConnection(connection);
var addedSubs = SubstitutionsComparator.FindAddedSubstitutions(existingSubstitutions, newSubstitutions.substitutions);
var deletedSubs = SubstitutionsComparator.FindDeletedSubstitutions(existingSubstitutions, newSubstitutions.substitutions);
var modifiedSubs = SubstitutionsComparator.FindModifiedSubstitutions(existingSubstitutions, newSubstitutions.substitutions);
addedSubs.ToList().ForEach(async addedSub => await this.addSubstitutionToConnection(connection, addedSub));
deletedSubs.ToList().ForEach(async deletedSub => await this.removeSubstitutionToConnection(connection, deletedSub));
modifiedSubs.ToList().ForEach(async modifiedSub => await this.updateSubstitutionToConnection(connection, modifiedSub));
}
}
public void ShouldUpdateSubstitutionsWhenOneUpdates()
{
// given
var provider1 = A.Fake <ISubstitutionProvider>();
var provider2 = A.Fake <ISubstitutionProvider>();
var provider3 = A.Fake <ISubstitutionProvider>();
var monitor = new SubstitutionsMonitor(new[] { provider1, provider2, provider3 });
var substitutions = new Substitutions();
// when
provider1.OnSubstitutionsUpdated += Raise.FreeForm.With(substitutions);
// then
A.CallTo(() => provider2.UpdateSubstitutionsAsync(substitutions))
.MustHaveHappenedOnceExactly();
A.CallTo(() => provider3.UpdateSubstitutionsAsync(substitutions))
.MustHaveHappenedOnceExactly();
A.CallTo(() => provider1.UpdateSubstitutionsAsync(substitutions))
.MustNotHaveHappened();
}
public void ShouldInitializeSubstitutionsWithMain()
{
// given
var provider1 = A.Fake <ISubstitutionProvider>();
var provider2 = A.Fake <ISubstitutionProvider>();
var provider3 = A.Fake <ISubstitutionProvider>();
var substitutions = new Substitutions();
A.CallTo(() => provider1.GetSubstitutionsAsync()).ReturnsLazily(() => substitutions);
// when
var monitor = new SubstitutionsMonitor(new[] { provider1, provider2, provider3 }, provider1);
// then
A.CallTo(() => provider2.UpdateSubstitutionsAsync(substitutions))
.MustHaveHappenedOnceExactly();
A.CallTo(() => provider3.UpdateSubstitutionsAsync(substitutions))
.MustHaveHappenedOnceExactly();
A.CallTo(() => provider1.UpdateSubstitutionsAsync(substitutions))
.MustNotHaveHappened();
}
