OnlineLibrary

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package library
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import (
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	"OnlineLibrary/internal/config"
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	"OnlineLibrary/internal/player"
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	"gitverse.ru/kvark128/dodp"
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)
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type ContentItem struct {
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	library   *Library
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	label     string
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	resources []dodp.Resource
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	metadata  *dodp.ContentMetadata
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	conf      config.Book
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}
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func NewContentItem(library *Library, id string) *ContentItem {
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	return NewContentItemWithLabel(library, id, "")
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}
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func NewContentItemWithLabel(library *Library, id, label string) *ContentItem {
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	return &ContentItem{
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		library: library,
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		label:   label,
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		conf:    library.service.RecentBooks.Book(id, player.DEFAULT_SPEED),
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	}
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}
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func (ci *ContentItem) Name() (string, error) {
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	md, err := ci.ContentMetadata()
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	if err != nil {
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		return "", err
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	}
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	return md.Metadata.Title, nil
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}
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func (ci *ContentItem) Label() string {
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	return ci.label
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}
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func (ci *ContentItem) ID() string {
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	return ci.conf.ID
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}
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func (ci *ContentItem) Resources() ([]dodp.Resource, error) {
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	if ci.resources != nil {
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		return ci.resources, nil
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	}
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	r, err := ci.library.GetContentResources(ci.conf.ID)
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	if err != nil {
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		return nil, err
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	}
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	ci.resources = r.Resources
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	return ci.resources, nil
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}
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func (ci *ContentItem) ContentMetadata() (*dodp.ContentMetadata, error) {
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	if ci.metadata != nil {
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		return ci.metadata, nil
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	}
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	md, err := ci.library.GetContentMetadata(ci.conf.ID)
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	if err != nil {
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		return nil, err
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	}
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	ci.metadata = md
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	return ci.metadata, nil
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}
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func (ci *ContentItem) Issue() error {
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	_, err := ci.library.IssueContent(ci.conf.ID)
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	return err
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}
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func (ci *ContentItem) Return() error {
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	_, err := ci.library.ReturnContent(ci.conf.ID)
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	return err
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}
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func (ci *ContentItem) Config() *config.Book {
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	return &ci.conf
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}
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func (ci *ContentItem) SaveConfig() {
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	ci.library.service.RecentBooks.SetBook(ci.conf)
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}
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