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Add a Relevance sort order and improve search

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Here's what's in `IndexableText` right now:

1. Title
2. Collections
3. Authors
4. Tags
5. LocSubjects
6. TocEntries

Here is the proposed new ranking:

```
10 * Title +
8 * Authors +
3 * Collections +
IndexableText
```

New indices for existing DBs:

```
ALTER TABLE `Ebooks` ADD COLUMN `IndexableAuthors` text NOT NULL;
ALTER TABLE `Ebooks` ADD COLUMN `IndexableCollections` text NULL;
ALTER TABLE `Ebooks` ADD FULLTEXT `indexSearchTitle` (`Title`);
ALTER TABLE `Ebooks` ADD FULLTEXT `idxSearchAuthors` (`IndexableAuthors`);
ALTER TABLE `Ebooks` ADD FULLTEXT `idxSearchCollections` (`IndexableCollections`);
```
This commit is contained in:
Mike Colagrosso 2025-01-24 20:42:18 -07:00 • committed by Alex Cabal
parent b2df8a7018
commit 1a71913794
8 changed files with 120 additions and 15 deletions
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4
lib/Constants.php
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@ -44,6 +44,10 @@ const EBOOKS_MAX_STRING_LENGTH = 250;
const EBOOKS_MAX_LONG_STRING_LENGTH = 500;
const EBOOK_SINGLE_PAGE_SIZE_WARNING = 3 * 1024 * 1024; // 3145728 bytes.
const EBOOK_SEARCH_WEIGHT_TITLE = 10;
const EBOOK_SEARCH_WEIGHT_AUTHORS = 8;
const EBOOK_SEARCH_WEIGHT_COLLECTIONS = 3;
const ARTWORK_THUMBNAIL_HEIGHT = 350;
const ARTWORK_THUMBNAIL_WIDTH = 350;
const ARTWORK_PER_PAGE = 20;