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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package calibre | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| ) | ||
| import _ "github.com/mattn/go-sqlite3" | ||
|
|
||
| const ( | ||
| queryAllBooks = `SELECT | ||
| books.id AS id, | ||
| books.timestamp AS last_modified, | ||
| books.pubdate AS pubdate, | ||
| books.title AS title, | ||
| group_concat(DISTINCT authors.name) AS authors, | ||
| group_concat(DISTINCT authors.sort) AS authors_sort, | ||
| group_concat(DISTINCT publishers.name) AS publisher, | ||
| books.path || '/' || data.name || '.epub' AS file_path, | ||
| books.path || '/' || 'cover.jpg' AS cover, | ||
| data.uncompressed_size AS size, | ||
| identifiers.val AS isbn | ||
| FROM | ||
| books | ||
| LEFT JOIN | ||
| books_authors_link ON books.id = books_authors_link.book | ||
| LEFT JOIN | ||
| authors ON books_authors_link.author = authors.id | ||
| LEFT JOIN | ||
| books_publishers_link ON books.id = books_publishers_link.book | ||
| LEFT JOIN | ||
| publishers ON books_publishers_link.publisher = publishers.id | ||
| LEFT JOIN | ||
| data ON books.id = data.book AND data.format = 'EPUB' | ||
| LEFT JOIN | ||
| identifiers ON books.id = identifiers.book AND identifiers.type = 'isbn' | ||
| GROUP BY | ||
| books.id` | ||
| ) | ||
|
|
||
| type Db struct { | ||
| dbPath string | ||
| db *sql.DB | ||
| } | ||
|
|
||
| func NewDb(dbPath string) (*Db, error) { | ||
| db, err := getDb(dbPath) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &Db{dbPath: dbPath, db: db}, nil | ||
| } | ||
|
|
||
| func getDb(sqlitePath string) (*sql.DB, error) { | ||
| db, err := sql.Open("sqlite3", sqlitePath) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return db, nil | ||
| } | ||
|
|
||
| func (d *Db) Close() error { | ||
| return d.db.Close() | ||
| } | ||
|
|
||
| func (d Db) queryBooks() (books []Book, err error) { | ||
| rows, err := d.db.Query(queryAllBooks) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer rows.Close() | ||
| // rows to books | ||
| for rows.Next() { | ||
| var book BookRaw | ||
| if err := rows.Scan(&book.ID, &book.LastModified, &book.Pubdate, &book.Title, &book.Authors, &book.AuthorSort, &book.Publisher, &book.FilePath, &book.Cover, &book.Size, &book.Isbn); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // convert BookRaw to Book | ||
| newBook := Book{ | ||
| ID: book.ID, | ||
| AuthorSort: book.AuthorSort, | ||
| Authors: book.Authors, | ||
| Cover: book.Cover, | ||
| FilePath: book.FilePath, | ||
| Isbn: book.Isbn.String, | ||
| LastModified: book.LastModified, | ||
| Pubdate: book.Pubdate, | ||
| Publisher: book.Publisher.String, | ||
| Size: book.Size, | ||
| Tags: []string{}, | ||
| Title: book.Title, | ||
| } | ||
| books = append(books, newBook) | ||
| } | ||
| return books, nil | ||
| } |
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