struct PageHeader: HtmlProducer {
let language: ContentLanguage
let iconUrl: String
let languageButton: NavigationBar.Link
let links: [NavigationBar.Link]
let headers: [HeaderElement]
let icons: Set
init(
language: ContentLanguage,
title: String?,
description: String?,
image: String?,
pageUrl: String,
iconUrl: String,
languageButton: NavigationBar.Link,
links: [NavigationBar.Link],
headers: Set,
icons: Set) {
self.language = language
self.iconUrl = iconUrl
self.languageButton = languageButton
self.links = links
self.icons = icons
var headers = headers
if let title {
headers.insert(.title(title))
headers.insert(.ogTitle(title))
}
if let description {
headers.insert(.description(description))
headers.insert(.ogDescription(description))
}
if let image {
headers.insert(.ogImage(image))
}
headers.insert(.ogUrl(pageUrl))
self.headers = headers.sorted()
}
func populate(_ result: inout String) {
result += ""
result += PageHead(items: headers).content
result += ""
result += NavigationBar(links: links, languageButton: languageButton, iconUrl: iconUrl).content
result += symbols // Add the svg images required by the page as hidden elements
result += ""
result += ""
}
private var symbols: String {
guard !icons.isEmpty else {
return ""
}
var result = "
"
for icon in icons {
result += icon.icon.content
}
result += "