コード例 #1
0
        static public long ParseEDDBUpdateSystems(string filename, Action <string> logline)
        {
            StreamReader sr = new StreamReader(filename);         // read directly from file..

            if (sr == null)
            {
                return(0);
            }

            string line;

            int updated  = 0;
            int inserted = 0;

            while (!sr.EndOfStream)
            {
                using (SQLiteConnectionSystem cn = new SQLiteConnectionSystem(mode: EDDbAccessMode.Writer))  // open the db
                {
                    DbCommand selectCmd    = null;
                    DbCommand insertCmd    = null;
                    DbCommand updateCmd    = null;
                    DbCommand updateSysCmd = null;

                    using (DbTransaction txn = cn.BeginTransaction())
                    {
                        try
                        {
                            selectCmd = cn.CreateCommand("SELECT EddbId, Population, EddbUpdatedAt FROM EddbSystems WHERE EdsmId = @EdsmId LIMIT 1", txn);   // 1 return matching ID
                            selectCmd.AddParameter("@Edsmid", DbType.Int64);

                            insertCmd = cn.CreateCommand("INSERT INTO EddbSystems (EdsmId, EddbId, Name, Faction, Population, GovernmentId, AllegianceId, State, Security, PrimaryEconomyId, NeedsPermit, EddbUpdatedAt) " +
                                                         "VALUES (@EdsmId, @EddbId, @Name, @Faction, @Population, @GovernmentId, @AllegianceId, @State, @Security, @PrimaryEconomyid, @NeedsPermit, @EddbUpdatedAt)", txn);
                            insertCmd.AddParameter("@EdsmId", DbType.Int64);
                            insertCmd.AddParameter("@EddbId", DbType.Int64);
                            insertCmd.AddParameter("@Name", DbType.String);
                            insertCmd.AddParameter("@Faction", DbType.String);
                            insertCmd.AddParameter("@Population", DbType.Int64);
                            insertCmd.AddParameter("@GovernmentId", DbType.Int64);
                            insertCmd.AddParameter("@AllegianceId", DbType.Int64);
                            insertCmd.AddParameter("@State", DbType.Int64);
                            insertCmd.AddParameter("@Security", DbType.Int64);
                            insertCmd.AddParameter("@PrimaryEconomyId", DbType.Int64);
                            insertCmd.AddParameter("@NeedsPermit", DbType.Int64);
                            insertCmd.AddParameter("@EddbUpdatedAt", DbType.Int64);

                            updateCmd = cn.CreateCommand("UPDATE EddbSystems SET EddbId=@EddbId, Name=@Name, Faction=@Faction, Population=@Population, GovernmentId=@GovernmentId, AllegianceId=@AllegianceId, State=@State, Security=@Security, PrimaryEconomyId=@PrimaryEconomyId, NeedsPermit=@NeedsPermit, EddbUpdatedAt=@EddbUpdatedAt WHERE EdsmId=@EdsmId", txn);
                            updateCmd.AddParameter("@EdsmId", DbType.Int64);
                            updateCmd.AddParameter("@EddbId", DbType.Int64);
                            updateCmd.AddParameter("@Name", DbType.String);
                            updateCmd.AddParameter("@Faction", DbType.String);
                            updateCmd.AddParameter("@Population", DbType.Int64);
                            updateCmd.AddParameter("@GovernmentId", DbType.Int64);
                            updateCmd.AddParameter("@AllegianceId", DbType.Int64);
                            updateCmd.AddParameter("@State", DbType.Int64);
                            updateCmd.AddParameter("@Security", DbType.Int64);
                            updateCmd.AddParameter("@PrimaryEconomyId", DbType.Int64);
                            updateCmd.AddParameter("@NeedsPermit", DbType.Int64);
                            updateCmd.AddParameter("@EddbUpdatedAt", DbType.Int64);

                            updateSysCmd = cn.CreateCommand("UPDATE EdsmSystems SET EddbId=@EddbId WHERE EdsmId=@EdsmId");
                            updateSysCmd.AddParameter("@EdsmId", DbType.Int64);
                            updateSysCmd.AddParameter("@EddbId", DbType.Int64);

                            int c       = 0;
                            int hasinfo = 0;
                            int lasttc  = Environment.TickCount;

                            while (!SQLiteConnectionSystem.IsReadWaiting)
                            {
                                line = sr.ReadLine();
                                if (line == null)  // End of stream
                                {
                                    break;
                                }

                                {
                                    JObject jo = JObject.Parse(line);

                                    ISystem system = SystemClassDB.FromJson(jo, SystemInfoSource.EDDB);

                                    if (system.HasEDDBInformation)                                  // screen out for speed any EDDB data with empty interesting fields
                                    {
                                        hasinfo++;

                                        selectCmd.Parameters["@EdsmId"].Value = system.id_edsm;     // EDDB carries EDSM ID, so find entry in dB

                                        //DEBUGif ( c > 30000 )  Console.WriteLine("EDDB ID " + system.id_eddb + " EDSM ID " + system.id_edsm + " " + system.name + " Late info system");

                                        long updated_at = 0;
                                        long population = 0;
                                        long eddbid     = 0;

                                        using (DbDataReader reader1 = selectCmd.ExecuteReader())    // if found (if not, we ignore EDDB system)
                                        {
                                            if (reader1.Read())                                     // its there.. check its got the right stuff in it.
                                            {
                                                eddbid     = (long)reader1["EddbId"];
                                                updated_at = (long)reader1["EddbUpdatedAt"];
                                                population = (long)reader1["Population"];
                                            }
                                        }

                                        updateSysCmd.Parameters["@EdsmId"].Value = system.id_edsm;
                                        updateSysCmd.Parameters["@EddbId"].Value = system.id_eddb;
                                        updateSysCmd.ExecuteNonQuery();

                                        if (eddbid != 0)
                                        {
                                            if (updated_at != system.eddb_updated_at || population != system.population)
                                            {
                                                updateCmd.Parameters["@EddbId"].Value           = system.id_eddb;
                                                updateCmd.Parameters["@Name"].Value             = system.name;
                                                updateCmd.Parameters["@Faction"].Value          = system.faction;
                                                updateCmd.Parameters["@Population"].Value       = system.population;
                                                updateCmd.Parameters["@GovernmentId"].Value     = system.government;
                                                updateCmd.Parameters["@AllegianceId"].Value     = system.allegiance;
                                                updateCmd.Parameters["@State"].Value            = system.state;
                                                updateCmd.Parameters["@Security"].Value         = system.security;
                                                updateCmd.Parameters["@PrimaryEconomyId"].Value = system.primary_economy;
                                                updateCmd.Parameters["@NeedsPermit"].Value      = system.needs_permit;
                                                updateCmd.Parameters["@EddbUpdatedAt"].Value    = system.eddb_updated_at;
                                                updateCmd.Parameters["@EdsmId"].Value           = system.id_edsm;
                                                updateCmd.ExecuteNonQuery();
                                                updated++;
                                            }
                                        }
                                        else
                                        {
                                            insertCmd.Parameters["@EdsmId"].Value           = system.id_edsm;
                                            insertCmd.Parameters["@EddbId"].Value           = system.id_eddb;
                                            insertCmd.Parameters["@Name"].Value             = system.name;
                                            insertCmd.Parameters["@Faction"].Value          = system.faction;
                                            insertCmd.Parameters["@Population"].Value       = system.population;
                                            insertCmd.Parameters["@GovernmentId"].Value     = system.government;
                                            insertCmd.Parameters["@AllegianceId"].Value     = system.allegiance;
                                            insertCmd.Parameters["@State"].Value            = system.state;
                                            insertCmd.Parameters["@Security"].Value         = system.security;
                                            insertCmd.Parameters["@PrimaryEconomyId"].Value = system.primary_economy;
                                            insertCmd.Parameters["@NeedsPermit"].Value      = system.needs_permit;
                                            insertCmd.Parameters["@EddbUpdatedAt"].Value    = system.eddb_updated_at;
                                            insertCmd.ExecuteNonQuery();
                                            inserted++;
                                        }
                                    }
                                    else
                                    {
                                        //Console.WriteLine("EDDB ID " + system.id_eddb + " EDSM ID " + system.id_edsm + " " + system.name + " No info reject");
                                    }

                                    if (++c % 10000 == 0)
                                    {
                                        Console.WriteLine("EDDB Count " + c + " Delta " + (Environment.TickCount - lasttc) + " info " + hasinfo + " update " + updated + " new " + inserted);
                                        lasttc = Environment.TickCount;
                                    }
                                }
                            }

                            txn.Commit();
                        }
                        catch
                        {
                            ExtendedControls.MessageBoxTheme.Show("There is a problem using the EDDB systems file." + Environment.NewLine +
                                                                  "Please perform a manual EDDB sync (see Admin menu) next time you run the program ", "EDDB Sync Error");
                            break;
                        }
                        finally
                        {
                            if (selectCmd != null)
                            {
                                selectCmd.Dispose();
                            }
                            if (updateCmd != null)
                            {
                                updateCmd.Dispose();
                            }
                            if (insertCmd != null)
                            {
                                insertCmd.Dispose();
                            }
                        }
                    }
                }
            }

            return(updated + inserted);
        }