Auftraggeberservice und Projektservice hinzugefügt
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89
SewerStammGen.DAL/Services/AuftraggeberDataService.cs
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89
SewerStammGen.DAL/Services/AuftraggeberDataService.cs
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using Npgsql;
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using SewerStammGen.Shared.Contracts;
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using SewerStammGen.Shared.Domain;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace SewerStammGen.DAL.Services
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{
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public class AuftraggeberDataService : IAuftraggeberDataService
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{
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string connString = "Host = localhost; Database = SewerGen; Username = SewerGen; Password = SewerGen";
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NpgsqlDataSource dataSource;
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NpgsqlConnection? conn = null;
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public AuftraggeberDataService()
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{
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var dataSourceBuilder = new NpgsqlDataSourceBuilder(connString);
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dataSource = dataSourceBuilder.Build();
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//OpenConnection();
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conn = dataSource.OpenConnection();
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}
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public Task<Auftraggeber> Create(Auftraggeber entity)
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{
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throw new NotImplementedException();
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}
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public Auftraggeber CreateNonAsync(Auftraggeber entity)
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{
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throw new NotImplementedException();
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}
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public Task<bool> Delete(int id)
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{
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throw new NotImplementedException();
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}
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public async Task<Auftraggeber> Get(int id)
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{
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Auftraggeber result = new Auftraggeber();
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using (var cmd = new NpgsqlCommand($"SELECT * FROM public.\"Auftraggebers\" WHERE \"Id\" = @1", conn))
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{
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cmd.Parameters.AddWithValue("1", id);
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using var reader = await cmd.ExecuteReaderAsync();
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reader.Read();
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result = parseAuftraggeber(reader);
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}
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return result;
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}
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private Auftraggeber parseAuftraggeber(NpgsqlDataReader reader)
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{
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return new Auftraggeber()
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{
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Id = reader.GetInt32(0),
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Name = reader.IsDBNull(1) ? "" : reader.GetString(1),
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Strasse = reader.IsDBNull(2) ? "" : reader.GetString(2),
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Ort = reader.IsDBNull(3) ? "" : reader.GetString(3),
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Postleitzahl = reader.IsDBNull(4) ? "" : reader.GetString(4),
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Ansprechpartner = reader.IsDBNull(5) ? "" : reader.GetString(5),
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Telefonnummer = reader.IsDBNull(6) ? "" : reader.GetString(6)
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};
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}
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public async Task<IEnumerable<Auftraggeber>> GetAll()
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{
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List<Auftraggeber> result = new List<Auftraggeber>();
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using (var cmd = new NpgsqlCommand($"SELECT * FROM public.\"Auftraggebers\"", conn))
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using (var reader = await cmd.ExecuteReaderAsync())
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{
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while (reader.Read())
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{
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result.Add(parseAuftraggeber(reader));
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}
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}
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return result;
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}
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public Task<Auftraggeber> Update(int id, Auftraggeber entity)
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{
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throw new NotImplementedException();
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}
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}
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}
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