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Metadata Downloading (#3525)

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Joe Milazzo 2025-02-05 16:16:44 -06:00 • committed by GitHub
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API/Data/ManualMigrations/MigrateWantToReadExport.cs
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using System;
using System.Globalization;
using System.IO;
using System.Threading.Tasks;
using API.Services;
using CsvHelper;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
namespace API.Data.ManualMigrations;
/// <summary>
/// v0.7.13.12/v0.7.14 - Want to read is extracted and saved in a csv
/// </summary>
/// <remarks>This must run BEFORE any DB migrations</remarks>
public static class MigrateWantToReadExport
{
public static async Task Migrate(DataContext dataContext, IDirectoryService directoryService, ILogger<Program> logger)
{
try
{
if (await dataContext.ManualMigrationHistory.AnyAsync(m => m.Name == "MigrateWantToReadExport"))
{
return;
}
var importFile = Path.Join(directoryService.ConfigDirectory, "want-to-read-migration.csv");
if (File.Exists(importFile))
{
logger.LogCritical(
"Running MigrateWantToReadExport migration - Completed. This is not an error");
return;
}
logger.LogCritical(
"Running MigrateWantToReadExport migration - Please be patient, this may take some time. This is not an error");
await using var command = dataContext.Database.GetDbConnection().CreateCommand();
command.CommandText = "Select AppUserId, Id from Series WHERE AppUserId IS NOT NULL ORDER BY AppUserId;";
await dataContext.Database.OpenConnectionAsync();
await using var result = await command.ExecuteReaderAsync();
await using var writer =
new StreamWriter(Path.Join(directoryService.ConfigDirectory, "want-to-read-migration.csv"));
await using var csvWriter = new CsvWriter(writer, CultureInfo.InvariantCulture);
// Write header
csvWriter.WriteField("AppUserId");
csvWriter.WriteField("Id");
await csvWriter.NextRecordAsync();
// Write data
while (await result.ReadAsync())
{
var appUserId = result["AppUserId"].ToString();
var id = result["Id"].ToString();
csvWriter.WriteField(appUserId);
csvWriter.WriteField(id);
await csvWriter.NextRecordAsync();
}
try
{
await dataContext.Database.CloseConnectionAsync();
writer.Close();
}
catch (Exception)
{
/* Swallow */
}
logger.LogCritical(
"Running MigrateWantToReadExport migration - Completed. This is not an error");
}
catch (Exception ex)
{
// On new installs, the db isn't setup yet, so this has nothing to do
}
}
}