58 lines
2.3 KiB
C#
58 lines
2.3 KiB
C#
using System;
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using System.Collections.Generic;
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using Npgsql;
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using PI_Assync_PLD.Models;
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public class PostgresRepository : IDataRepository
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{
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private readonly string _connectionString;
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public PostgresRepository(string environment)
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{
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_connectionString = environment == "dev"
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? "Server=smart-energia-dev-pgsql.cykff7tj7mik.us-east-1.rds.amazonaws.com; Port=5432; Database=smartimptest; User Id=postgres; Password=VfHml#Z78!%kvvNM;"
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: "Server=smart-energia-dev-pgsql.cykff7tj7mik.us-east-1.rds.amazonaws.com; Port=5432; Database=smartenergiaprod; User Id=postgres; Password=VfHml#Z78!%kvvNM;";
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}
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public DateTime ObterDataInicial()
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{
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using var conn = new NpgsqlConnection(_connectionString);
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conn.Open();
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string query = "SELECT TO_DATE('1899-12-30', 'YYYY-MM-DD') + INTERVAL '1' DAY * MAX(dia_num) AS ultimo_dia FROM pld";
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using var cmd = new NpgsqlCommand(query, conn);
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using var reader = cmd.ExecuteReader();
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return reader.Read() && DateTime.TryParse(reader["ultimo_dia"]?.ToString(), out var data)
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? data.AddDays(1)
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: DateTime.Now.AddYears(-2);
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}
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public void SalvarPLDs(List<PLDModel> plds)
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{
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using var conn = new NpgsqlConnection(_connectionString);
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conn.Open();
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using var transaction = conn.BeginTransaction();
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string query = "INSERT INTO pld (dia_num, hora, submercado, valor, mes_ref, dia_da_semana) " +
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"VALUES (@Dia, @Hora, @Submercado, @Valor, @MesRef, @DiaSemana)";
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using var cmd = new NpgsqlCommand(query, conn, transaction);
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foreach (var pld in plds)
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{
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cmd.Parameters.Clear();
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cmd.Parameters.AddWithValue("@Dia", pld.Dia);
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cmd.Parameters.AddWithValue("@Hora", pld.Hora);
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cmd.Parameters.AddWithValue("@Submercado", pld.Submercado);
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cmd.Parameters.AddWithValue("@Valor", pld.Valor);
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cmd.Parameters.AddWithValue("@MesRef", pld.Mes);
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cmd.Parameters.AddWithValue("@DiaSemana", pld.DiaSemana);
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cmd.ExecuteNonQuery();
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}
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transaction.Commit();
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}
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}
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