add: entry metadata
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d80368e6c2
commit
b505199492
11 changed files with 631 additions and 45 deletions
264
src/model.rs
264
src/model.rs
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@ -1,4 +1,6 @@
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use serde::{Deserialize, Serialize};
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use serde_valid::Validate;
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use std::fmt::Display;
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#[derive(Serialize, Deserialize)]
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pub struct Entry {
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@ -8,4 +10,266 @@ pub struct Entry {
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pub created: usize,
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pub edited: usize,
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pub content: String,
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pub metadata: String,
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}
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#[derive(Serialize, Deserialize, PartialEq, Eq)]
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pub enum RecommendedTheme {
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#[serde(alias = "none")]
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None,
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#[serde(alias = "light")]
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Light,
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#[serde(alias = "dark")]
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Dark,
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}
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impl Default for RecommendedTheme {
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fn default() -> Self {
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Self::None
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}
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}
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#[derive(Serialize, Deserialize, PartialEq, Eq)]
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pub enum TextAlignment {
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#[serde(alias = "left")]
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Left,
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#[serde(alias = "center")]
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Center,
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#[serde(alias = "right")]
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Right,
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#[serde(alias = "justify")]
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Justify,
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}
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impl Default for TextAlignment {
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fn default() -> Self {
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Self::Left
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}
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}
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impl Display for TextAlignment {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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f.write_str(match self {
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Self::Left => "left",
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Self::Center => "center",
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Self::Right => "right",
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Self::Justify => "justify",
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})
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}
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}
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#[derive(Serialize, Deserialize, Validate, Default)]
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pub struct EntryMetadata {
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/// The title of the page.
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#[serde(default, alias = "PAGE_TITLE")]
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#[validate(max_length = 128)]
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pub page_title: String,
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/// The description of the page.
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#[serde(default, alias = "PAGE_DESCRIPTION")]
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#[validate(max_length = 256)]
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pub page_description: String,
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/// The favicon of the page.
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#[serde(default, alias = "PAGE_icon")]
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#[validate(max_length = 128)]
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pub page_icon: String,
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/// The title of the page shown in external embeds.
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#[serde(default, alias = "SHARE_TITLE")]
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#[validate(max_length = 128)]
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pub share_title: String,
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/// The description of the page shown in external embeds.
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#[serde(default, alias = "SHARE_DESCRIPTION")]
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#[validate(max_length = 256)]
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pub share_description: String,
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/// The image shown in external embeds.
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#[serde(default, alias = "SHARE_IMAGE")]
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#[validate(max_length = 128)]
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pub share_image: String,
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/// If views are counted and shown for this entry.
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#[serde(default, alias = "OPTION_DISABLE_VIEWS")]
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pub option_disable_views: bool,
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/// If this entry shows up in search engines.
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#[serde(default, alias = "OPTION_DISABLE_SEARCH_ENGINE")]
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pub option_disable_search_engine: bool,
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/// The theme that is automatically used when this entry is viewed.
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#[serde(default, alias = "ACCESS_RECOMMENDED_THEME")]
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pub access_recommended_theme: RecommendedTheme,
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/// The slug of the easy-to-read (no metadata) version of this entry.
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///
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/// Should not begin with "/".
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#[serde(default, alias = "ACCESS_EASY_READ")]
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#[validate(max_length = 32)]
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pub access_easy_read: String,
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/// The color of the text in the inner container.
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#[serde(default, alias = "CONTAINER_INNER_FOREGROUND")]
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#[validate(max_length = 32)]
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pub container_inner_foreground: String,
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/// The background of the inner container.
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///
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/// Syntax: <https://developer.mozilla.org/en-US/docs/Web/CSS/background>
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#[serde(default, alias = "CONTAINER_INNER_BACKGROUND")]
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#[validate(max_length = 256)]
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pub container_inner_background: String,
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/// The color of the text in the outer container.
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#[serde(default, alias = "CONTAINER_OUTER_FOREGROUND")]
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#[validate(max_length = 32)]
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pub container_outer_foreground: String,
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/// The background of the outer container.
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///
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/// Syntax: <https://developer.mozilla.org/en-US/docs/Web/CSS/background>
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#[serde(default, alias = "CONTAINER_OUTER_BACKGROUND")]
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#[validate(max_length = 256)]
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pub container_outer_background: String,
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/// The border around the container.
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///
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/// Syntax: <https://developer.mozilla.org/en-US/docs/Web/CSS/border>
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#[serde(default, alias = "CONTAINER_BORDER")]
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#[validate(max_length = 256)]
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pub container_border: String,
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/// The shadow around the container.
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///
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/// Syntax: <https://developer.mozilla.org/en-US/docs/Web/CSS/box-shadow>
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#[serde(default, alias = "CONTAINER_SHADOW")]
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#[validate(max_length = 32)]
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pub container_shadow: String,
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/// The name of a font from Google Fonts to use.
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#[serde(default, alias = "CONTENT_FONT")]
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#[validate(max_length = 32)]
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pub content_font: String,
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/// The weight to use for the body text.
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#[serde(default, alias = "CONTENT_FONT_WEIGHT")]
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pub content_font_weight: u32,
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/// The text size of elements by element tag.
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///
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/// # Example
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/// ```toml
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/// # ...
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/// content_text_size = [["h1", "16px"]]
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/// ```
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#[serde(default, alias = "CONTENT_TEXT_SIZE")]
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pub content_text_size: Vec<(String, String)>,
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/// The default text alignment.
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#[serde(default, alias = "CONTENT_TEXT_ALIGN")]
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pub content_text_align: TextAlignment,
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/// The color of links.
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#[serde(default, alias = "CONTENT_TEXT_LINK_COLOR")]
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pub content_text_link_color: String,
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}
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macro_rules! metadata_css {
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($selector:literal, $property:literal, $self:ident.$field:ident->$output:ident) => {
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if !$self.$field.is_empty() {
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$output.push_str(&format!(
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"{} {{ {}: {}; }}\n",
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$selector,
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$property,
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EntryMetadata::css_escape(&$self.$field)
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));
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}
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};
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}
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impl EntryMetadata {
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pub fn head_tags(&self) -> String {
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let mut output = String::new();
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if !self.page_title.is_empty() {
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output.push_str(&format!("<title>{}</title>", self.page_title));
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}
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if !self.page_description.is_empty() {
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output.push_str(&format!(
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"<meta name=\"description\" content=\"{}\" />",
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self.page_description.replace("\"", "\\\"")
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));
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}
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if !self.page_icon.is_empty() {
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output.push_str(&format!(
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"<link rel=\"icon\" href=\"{}\" />",
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self.page_icon.replace("\"", "\\\"")
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));
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}
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if !self.share_title.is_empty() {
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output.push_str(&format!(
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"<meta property=\"og:title\" content=\"{}\" /><meta property=\"twitter:title\" content=\"{}\" />",
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self.share_title.replace("\"", "\\\""),
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self.share_title.replace("\"", "\\\"")
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));
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}
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if !self.share_description.is_empty() {
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output.push_str(&format!(
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"<meta property=\"og:description\" content=\"{}\" /><meta property=\"twitter:description\" content=\"{}\" />",
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self.share_description.replace("\"", "\\\""),
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self.share_description.replace("\"", "\\\"")
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));
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}
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if !self.share_image.is_empty() {
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output.push_str(&format!(
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"<meta property=\"og:image\" content=\"{}\" /><meta property=\"twitter:image\" content=\"{}\" />",
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self.share_image.replace("\"", "\\\""),
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self.share_image.replace("\"", "\\\"")
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));
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}
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if !self.content_font.is_empty() {
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output.push_str(&format!(
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"<link rel=\"preconnect\" href=\"https://fonts.googleapis.com\">
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<link rel=\"preconnect\" href=\"https://fonts.gstatic.com\" crossorigin>
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<link href=\"https://fonts.googleapis.com/css2?family={}:wght@100..900&display=swap\" rel=\"stylesheet\">",
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self.content_font.replace(" ", "+"),
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));
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}
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output
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}
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pub fn css_escape(input: &str) -> String {
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input.replace("}", "").replace(";", "").replace("/*", "")
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}
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pub fn css(&self) -> String {
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let mut output = "<style>".to_string();
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metadata_css!(".container", "color", self.container_inner_foreground->output);
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metadata_css!(".container", "background", self.container_inner_background->output);
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metadata_css!("body", "color", self.container_outer_foreground->output);
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metadata_css!("body", "background", self.container_outer_background->output);
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metadata_css!(".container", "border", self.container_border->output);
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metadata_css!(".container", "box-shadow", self.container_shadow->output);
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metadata_css!(".container a", "color", self.content_text_link_color->output);
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if self.content_text_align != TextAlignment::Left {
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output.push_str(&format!(
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".container {{ text-align: {}; }}\n",
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EntryMetadata::css_escape(&self.content_text_align.to_string())
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));
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}
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for (element, size) in &self.content_text_size {
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output.push_str(&format!(
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".container {} {{ font-size: {}; }}\n",
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element,
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EntryMetadata::css_escape(&size)
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));
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}
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if !self.content_font.is_empty() {
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output.push_str(&format!(
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".container {{ font-family: \"{}\", system-ui; }}",
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self.content_font
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));
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}
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if self.content_font_weight != 0 {
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output.push_str(&format!(
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".container {{ font-weight: {}; }}",
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self.content_font_weight
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));
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}
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output + "</style>"
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}
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}
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