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Add migration to try and fix db for incorrect or missing espiode series entries.

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Michael Bucari-Tovo 2022-06-11 12:41:20 -06:00
parent 984119c7ee
commit 1ae5f99bf0
6 changed files with 205 additions and 38 deletions
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61
Source/AppScaffolding/LibationScaffolding.cs
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@ -5,10 +5,10 @@ using System.Linq;
using System.Reflection;
using ApplicationServices;
using AudibleUtilities;
using Dinah.Core;
using Dinah.Core.IO;
using Dinah.Core.Logging;
using LibationFileManager;
using Microsoft.EntityFrameworkCore;
using Newtonsoft.Json.Linq;
using Serilog;
@ -405,25 +405,58 @@ namespace AppScaffolding
public static void migrate_from_7_10_1(Configuration config)
{
//This migration removes books and series with SERIES_ prefix that were created
//as a hack workaround in 7.10.1. Said workaround was removed in 7.10.2
var migrated = config.GetNonString<bool>(nameof(migrate_from_7_10_1));
if (migrated) return;
//https://github.com/rmcrackan/Libation/issues/270#issuecomment-1152863629
//This migration helps fix databases contaminated with the 7.10.1 hack workaround
//and those with improperly identified or missing series. This does not solve cases
//where individual episodes are in the db with a valid series link, but said series'
//parents have not been imported into the database. For those cases, Libation will
//attempt fixup by retrieving parents from the catalog endpoint
using var context = DbContexts.GetContext();
var booksToRemove = context.Books.Where(b => b.AudibleProductId.StartsWith("SERIES_")).ToArray();
var seriesToRemove = context.Series.Where(s => s.AudibleSeriesId.StartsWith("SERIES_")).ToArray();
var lbToRemove = context.LibraryBooks.Where(lb => booksToRemove.Any(b => b == lb.Book)).ToArray();
//This migration removes books and series with SERIES_ prefix that were created
//as a hack workaround in 7.10.1. Said workaround was removed in 7.10.2
string removeHackSeries = "delete " +
"from series " +
"where AudibleSeriesId like 'SERIES%'";
context.LibraryBooks.RemoveRange(lbToRemove);
context.Books.RemoveRange(booksToRemove);
context.Series.RemoveRange(seriesToRemove);
string removeHackBooks = "delete " +
"from books " +
"where AudibleProductId like 'SERIES%'";
//Detect series parents that were added to the database as books with ContentType.Episode,
//and change them to ContentType.Parent
string updateContentType =
"UPDATE books " +
"SET contenttype = 4 " +
"WHERE audibleproductid IN(SELECT books.audibleproductid " +
"FROM books " +
"INNER JOIN series " +
"ON ( books.audibleproductid = " +
"series.audibleseriesid) " +
"WHERE books.contenttype = 2)";
//Then detect series parents that were added to the database as books with ContentType.Parent
//but are missing a series link, and add the link (don't know how this happened)
string addMissingSeriesLink =
"INSERT INTO seriesbook " +
"SELECT series.seriesid, " +
"books.bookid, " +
"'- 1' " +
"FROM books " +
"LEFT OUTER JOIN seriesbook " +
"ON books.bookid = seriesbook.bookid " +
"INNER JOIN series " +
"ON books.audibleproductid = series.audibleseriesid " +
"WHERE books.contenttype = 4 " +
"AND seriesbook.seriesid IS NULL";
context.Database.ExecuteSqlRaw(removeHackSeries);
context.Database.ExecuteSqlRaw(removeHackBooks);
context.Database.ExecuteSqlRaw(updateContentType);
context.Database.ExecuteSqlRaw(addMissingSeriesLink);
LibraryCommands.SaveContext(context);
config.SetObject(nameof(migrate_from_7_10_1), true);
}
}
}