private static AuditUpdate GetAuditUpdate(AuditXmlUpdate auditXmlUpdate, string commitSha)
{
var mapper = MapperHelper.GetAutoMapper();
var realmSpeakers = auditXmlUpdate.Speakers.Select(mapper.Map <Speaker>).ToArray();
var realmFriends = auditXmlUpdate.Friends.Select(mapper.Map <Friend>).ToArray();
var realmVenues = auditXmlUpdate.Venues.Select(mapper.Map <Venue>).ToArray();
var realmCommunities = auditXmlUpdate.Communities.Select(mapper.Map <Community>).ToArray();
var talkMapper = MapperHelper.GetTalkMapper(realmSpeakers);
var realmTalks = auditXmlUpdate.Talks.Select(talkMapper.Map <Talk>).ToArray();
var meetupMapper = MapperHelper.GetMeetupMapper(realmFriends, realmVenues, realmTalks);
var realmMeetups = auditXmlUpdate.Meetups.Select(meetupMapper.Map <Meetup>).ToArray();
var auditVersion = new AuditVersion
{
CommitHash = commitSha
};
return(new AuditUpdate
{
AuditVersion = auditVersion,
Venues = realmVenues,
Communities = realmCommunities,
Friends = realmFriends,
Meetups = realmMeetups,
Speakers = realmSpeakers,
Talks = realmTalks
});
}
private static IEnumerable <Uri> GetMissingVenues(AuditXmlUpdate auditXmlUpdate, MeetupEntity meetup)
{
var isNewVenue = auditXmlUpdate.Venues.Any(venue => venue.Id == meetup.VenueId);
return(isNewVenue ?
Enumerable.Empty <Uri>() :
new Uri[] { new Uri($"https://raw.githubusercontent.com/DotNetRu/Audit/master/db/venues/{meetup.VenueId}.xml") });
}
private static IEnumerable <Uri> GetMissingSpeakers(AuditXmlUpdate auditXmlUpdate, TalkEntity talk)
{
var existingSpeakers = talk.SpeakerIds.ExceptBy(auditXmlUpdate.Speakers.Select(speaker => speaker.Id), x => x);
var speakerUrls = existingSpeakers.Select(speaker =>
new Uri($"https://raw.githubusercontent.com/DotNetRu/Audit/master/db/speakers/{speaker}/index.xml"));
return(speakerUrls);
}
private static IEnumerable <Uri> GetMissingFriends(AuditXmlUpdate auditXmlUpdate, MeetupEntity meetup)
{
var existingFriends = meetup.FriendIds.EmptyIfNull().ExceptBy(auditXmlUpdate.Friends.Select(friend => friend.Id), x => x);
var friendUrls = existingFriends.Select(friend =>
new Uri($"https://raw.githubusercontent.com/DotNetRu/Audit/master/db/friends/{friend}/index.xml"));
return(friendUrls);
}
private static IEnumerable <Uri> GetMissingTalks(AuditXmlUpdate auditXmlUpdate, MeetupEntity meetup)
{
var existingTalks = meetup.Sessions
.Select(session => session.TalkId)
.ExceptBy(auditXmlUpdate.Talks.Select(talk => talk.Id), x => x);
var talkUrls = existingTalks.Select(talk =>
new Uri($"https://raw.githubusercontent.com/DotNetRu/Audit/master/db/talks/{talk}.xml"));
return(talkUrls);
}
public AuditXmlUpdate Merge(AuditXmlUpdate other)
{
return(new AuditXmlUpdate
{
Communities = Communities.Concat(other.Communities).DistinctBy(x => x.Name),
Friends = Friends.Concat(other.Friends).DistinctBy(x => x.Id),
Meetups = Meetups.Concat(other.Meetups).DistinctBy(x => x.Id),
Speakers = Speakers.Concat(other.Speakers).DistinctBy(x => x.Id),
Talks = Talks.Concat(other.Talks).DistinctBy(x => x.Id),
Venues = Venues.Concat(other.Venues).DistinctBy(x => x.Id)
});
}
public static void ReplaceRealm(Realm realm, AuditXmlUpdate auditXmlUpdate)
{
var auditData = GetAuditUpdate(realm, auditXmlUpdate);
ReplaceRealmObjects(realm, new[] { auditData.AuditVersion }, x => x.CommitHash);
ReplaceRealmObjects(realm, auditData.Communities, x => x.Id);
ReplaceRealmObjects(realm, auditData.Friends, x => x.Id);
ReplaceRealmObjects(realm, auditData.Speakers, x => x.Id);
ReplaceRealmObjects(realm, auditData.Talks, x => x.Id);
ReplaceRealmObjects(realm, auditData.Venues, x => x.Id);
ReplaceRealmObjects(realm, auditData.Meetups, x => x.Id);
ReplaceRealmObjects(realm, auditData.Meetups.SelectMany(m => m.Sessions), x => x.Id);
}
private static IEnumerable <Uri> GetDependencies(AuditXmlUpdate auditXmlUpdate)
{
var missingSpeakers = auditXmlUpdate.Talks.SelectMany(talk => GetMissingSpeakers(auditXmlUpdate, talk));
var missingFriends = auditXmlUpdate.Meetups.SelectMany(meetup => GetMissingFriends(auditXmlUpdate, meetup));
var missingVenues = auditXmlUpdate.Meetups.SelectMany(meetup => GetMissingVenues(auditXmlUpdate, meetup));
var missingTalks = auditXmlUpdate.Meetups.SelectMany(meetup => GetMissingTalks(auditXmlUpdate, meetup));
// TODO talk -> speakers
return(missingSpeakers
.Concat(missingFriends)
.Concat(missingVenues)
.Concat(missingTalks));
}
// TODO support deletion
public static void UpdateRealm(Realm realm, AuditXmlUpdate auditXmlUpdate)
{
var auditData = GetAuditUpdate(realm, auditXmlUpdate);
ReplaceRealmObjects(realm, new[] { auditData.AuditVersion }, x => x.CommitHash);
using var transaction = realm.BeginWrite();
UpdateRealmObjects(realm, auditData.Communities);
UpdateRealmObjects(realm, auditData.Friends);
UpdateRealmObjects(realm, auditData.Speakers);
UpdateRealmObjects(realm, auditData.Talks);
UpdateRealmObjects(realm, auditData.Venues);
UpdateRealmObjects(realm, auditData.Meetups);
UpdateRealmObjects(realm, auditData.Meetups.SelectMany(m => m.Sessions));
transaction.Commit();
}
