zola/components/front_matter/src/section.rs
2018-03-20 18:43:17 +01:00

95 lines
3.4 KiB
Rust

use std::collections::HashMap;
use tera::Value;
use toml;
use errors::Result;
use super::{SortBy, InsertAnchor};
static DEFAULT_PAGINATE_PATH: &'static str = "page";
/// The front matter of every section
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[serde(default)]
pub struct SectionFrontMatter {
/// <title> of the page
pub title: Option<String>,
/// Description in <meta> that appears when linked, e.g. on twitter
pub description: Option<String>,
/// Whether to sort by "date", "order", "weight" or "none". Defaults to `none`.
#[serde(skip_serializing)]
pub sort_by: SortBy,
/// Used by the parent section to order its subsections.
/// Higher values means it will be at the end. Defaults to `0`
#[serde(skip_serializing)]
pub weight: usize,
/// Optional template, if we want to specify which template to render for that section
#[serde(skip_serializing)]
pub template: Option<String>,
/// How many pages to be displayed per paginated page. No pagination will happen if this isn't set
#[serde(skip_serializing)]
pub paginate_by: Option<usize>,
/// Path to be used by pagination: the page number will be appended after it. Defaults to `page`.
#[serde(skip_serializing)]
pub paginate_path: String,
/// Whether to insert a link for each header like the ones you can see in this site if you hover one
/// The default template can be overridden by creating a `anchor-link.html` in the `templates` directory
pub insert_anchor_links: InsertAnchor,
/// Whether to render that section or not. Defaults to `true`.
/// Useful when the section is only there to organize things but is not meant
/// to be used directly, like a posts section in a personal site
#[serde(skip_serializing)]
pub render: bool,
/// Whether to redirect when landing on that section. Defaults to `None`.
/// Useful for the same reason as `render` but when you don't want a 404 when
/// landing on the root section page
#[serde(skip_serializing)]
pub redirect_to: Option<String>,
/// Whether the section content and its pages/subsections are included in the index.
/// Defaults to `true` but is only used if search if explicitly enabled in the config.
#[serde(skip_serializing)]
pub in_search_index: bool,
/// Any extra parameter present in the front matter
pub extra: HashMap<String, Value>,
}
impl SectionFrontMatter {
pub fn parse(toml: &str) -> Result<SectionFrontMatter> {
let f: SectionFrontMatter = match toml::from_str(toml) {
Ok(d) => d,
Err(e) => bail!(e),
};
Ok(f)
}
/// Only applies to section, whether it is paginated or not.
pub fn is_paginated(&self) -> bool {
match self.paginate_by {
Some(v) => v > 0,
None => false
}
}
}
impl Default for SectionFrontMatter {
fn default() -> SectionFrontMatter {
SectionFrontMatter {
title: None,
description: None,
sort_by: SortBy::None,
weight: 0,
template: None,
paginate_by: None,
paginate_path: DEFAULT_PAGINATE_PATH.to_string(),
render: true,
redirect_to: None,
insert_anchor_links: InsertAnchor::None,
in_search_index: true,
extra: HashMap::new(),
}
}
}