jobs-jobs-jobs/src/JobsJobsJobs/Server/Data/CitizenExtensions.cs

87 lines
3.8 KiB
C#

using JobsJobsJobs.Shared;
using Npgsql;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
namespace JobsJobsJobs.Server.Data
{
/// <summary>
/// Extensions to the NpgslConnection type supporting the manipulation of citizens
/// </summary>
public static class CitizenExtensions
{
/// <summary>
/// Populate a citizen object from the given data reader
/// </summary>
/// <param name="rdr">The data reader from which the values should be obtained</param>
/// <returns>A populated citizen</returns>
private static Citizen ToCitizen(NpgsqlDataReader rdr) =>
new Citizen(CitizenId.Parse(rdr.GetString("id")), rdr.GetString("na_user"), rdr.GetString("display_name"),
rdr.GetString("profile_url"), rdr.GetInstant("joined_on"), rdr.GetInstant("last_seen_on"));
/// <summary>
/// Retrieve a citizen by their No Agenda Social user name
/// </summary>
/// <param name="naUser">The NAS user name</param>
/// <returns>The citizen, or null if not found</returns>
public static async Task<Citizen?> FindCitizenByNAUser(this NpgsqlConnection conn, string naUser)
{
using var cmd = conn.CreateCommand();
cmd.CommandText = "SELECT * FROM citizen WHERE na_user = @na_user";
cmd.Parameters.Add(new NpgsqlParameter("@na_user", naUser));
using NpgsqlDataReader rdr = await cmd.ExecuteReaderAsync().ConfigureAwait(false);
if (await rdr.ReadAsync().ConfigureAwait(false))
{
return ToCitizen(rdr);
}
return null;
}
/// <summary>
/// Add a citizen
/// </summary>
/// <param name="citizen">The citizen to be added</param>
public static async Task AddCitizen(this NpgsqlConnection conn, Citizen citizen)
{
using var cmd = conn.CreateCommand();
cmd.CommandText =
@"INSERT INTO citizen (
na_user, display_name, profile_url, joined_on, last_seen_on, id
) VALUES(
@na_user, @display_name, @profile_url, @joined_on, @last_seen_on, @id
)";
cmd.Parameters.Add(new NpgsqlParameter("@id", citizen.Id.ToString()));
cmd.Parameters.Add(new NpgsqlParameter("@na_user", citizen.NaUser));
cmd.Parameters.Add(new NpgsqlParameter("@display_name", citizen.DisplayName));
cmd.Parameters.Add(new NpgsqlParameter("@profile_url", citizen.ProfileUrl));
cmd.Parameters.Add(new NpgsqlParameter("@joined_on", citizen.JoinedOn));
cmd.Parameters.Add(new NpgsqlParameter("@last_seen_on", citizen.LastSeenOn));
await cmd.ExecuteNonQueryAsync().ConfigureAwait(false);
}
/// <summary>
/// Update a citizen after they have logged on (update last seen, sync display name)
/// </summary>
/// <param name="citizen">The updated citizen</param>
public static async Task UpdateCitizenOnLogOn(this NpgsqlConnection conn, Citizen citizen)
{
using var cmd = conn.CreateCommand();
cmd.CommandText =
@"UPDATE citizen
SET display_name = @display_name,
last_seen_on = @last_seen_on
WHERE id = @id";
cmd.Parameters.Add(new NpgsqlParameter("@id", citizen.Id.ToString()));
cmd.Parameters.Add(new NpgsqlParameter("@display_name", citizen.DisplayName));
cmd.Parameters.Add(new NpgsqlParameter("@last_seen_on", citizen.LastSeenOn));
await cmd.ExecuteNonQueryAsync().ConfigureAwait(false);
}
}
}