47 lines
1.4 KiB
Swift
47 lines
1.4 KiB
Swift
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struct GalleryBlock: BlockLineProcessor {
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static let blockId: ContentBlock = .gallery
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let content: Content
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let results: PageGenerationResults
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let language: ContentLanguage
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init(content: Content, results: PageGenerationResults, language: ContentLanguage) {
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self.content = content
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self.results = results
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self.language = language
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}
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private var imageWidth: Int {
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content.settings.pages.contentWidth
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}
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func process(_ lines: [String], markdown: Substring) -> String {
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var images = [FileResource]()
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for line in lines {
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let imageId = line.trimmed
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guard !imageId.isEmpty else { continue }
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guard let image = content.image(imageId) else {
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results.missing(file: imageId, source: "Route block")
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continue
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}
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images.append(image)
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}
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guard let firstImage = images.first else { return "" }
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let imageSets = images.map {
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$0.imageSet(width: imageWidth, height: imageWidth, language: language)
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}
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imageSets.forEach(results.require)
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let id = firstImage.id.replacingOccurrences(of: ".", with: "-")
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let gallery = ImageGallery(id: id, images: imageSets, standalone: true)
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results.require(footer: gallery.standaloneFooter)
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results.require(headers: .swiperJs, .swiperCss)
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return gallery.content
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}
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}
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