80 lines
2.7 KiB
C#
80 lines
2.7 KiB
C#
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using BeautySalonDBModels.Models;
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using Npgsql;
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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 BeautySalonDBModels.Implements
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{
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public class ChequeDB : AbstractWorkWithStorage<Cheque>
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{
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public override void Add(Cheque cheque)
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{
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using var conn = GetConnection();
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conn.Open();
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using var cmd = new NpgsqlCommand("INSERT INTO cheques (client_id, reception_id) VALUES (@ClientId, @ReceptionId)", conn);
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cmd.Parameters.AddWithValue("@ClientId", cheque.ClientId);
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cmd.Parameters.AddWithValue("@ReceptionId", cheque.ReceptionId);
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cmd.ExecuteNonQuery();
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}
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public override Cheque? GetObject(int id)
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{
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using var conn = GetConnection();
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conn.Open();
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using var cmd = new NpgsqlCommand("SELECT * FROM cheques WHERE cheque_id = {id}", conn);
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using var reader = cmd.ExecuteReader();
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if (reader.Read())
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{
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return new Cheque
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{
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ChequeId = reader.GetInt32(0),
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ClientId = reader.GetInt32(1),
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ReceptionId = reader.GetInt32(2)
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};
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}
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return null;
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}
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public override List<Cheque> GetObjects()
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{
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var cheques = new List<Cheque>();
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using var conn = GetConnection();
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conn.Open();
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using var cmd = new NpgsqlCommand("SELECT * FROM cheques order by cheque_id", conn);
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using var reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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cheques.Add(new Cheque
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{
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ChequeId = reader.GetInt32(0),
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ClientId = reader.GetInt32(1),
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ReceptionId = reader.GetInt32(2)
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});
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}
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return cheques;
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}
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public override Cheque? Remove(int id)
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{
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var cheque = GetObject(id);
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using var conn = GetConnection();
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conn.Open();
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using var cmd = new NpgsqlCommand("delete from cheques where cheque_id = {id}", conn);
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cmd.ExecuteNonQuery();
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return cheque;
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}
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public override void Update(Cheque cheque)
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{
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using var conn = GetConnection();
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conn.Open();
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using var cmd = new NpgsqlCommand("update cheque set client_id = {cheque.ClientId}, " +
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"reception_id = {cheque.ReceptionId} where cheque_id = {cheque.ChequeId}", conn);
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cmd.ExecuteNonQuery();
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}
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}
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}
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