86 lines
2.2 KiB
D
86 lines
2.2 KiB
D
import std.file;
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import std.stdio;
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import std.string;
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import std.datetime.date;
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import std.experimental.logger;
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import dyaml;
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import page;
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import vibe.d;
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/**
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* Represents an article on the blog
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*/
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class Article : Page {
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private string m_author;
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private string m_title;
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private string m_slug;
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private DateTime m_firstPublished;
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private string m_excerpt;
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/**
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* Time that the file was last updated
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*/
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private DateTime m_updated;
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/**
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* Loads an article from a file.
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*/
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this(string file) {
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this.m_headerShift = 1;
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super(file);
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// Find the first header and mark everything up to that as
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if (m_excerpt is null) {
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// an excerpt, used in search results.
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const long seperatorIndex = indexOf(m_contentSource, "---\n");
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this.m_excerpt = this.m_contentSource[seperatorIndex + 4..$];
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long firstHeaderIndex = indexOf(this.m_excerpt, '#');
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if (firstHeaderIndex >= 0) {
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this.m_excerpt = this.m_excerpt[0..firstHeaderIndex];
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}
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}
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}
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/**
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* Loads the metadata specific to Articles.
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*/
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@safe
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override protected void loadHeader(Node headerNode) {
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super.loadHeader(headerNode);
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if (headerNode.containsKey("author")) {
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this.m_author = headerNode["author"].as!string;
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} else {
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this.m_author = "<unknown author>";
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}
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if ("excerpt" in headerNode) {
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this.m_excerpt = headerNode["excerpt"].as!string;
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}
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if ("firstPublished" in headerNode) {
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try {
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this.m_firstPublished = cast(DateTime) headerNode["firstPublished"].as!SysTime;
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} catch(DateTimeException e) {
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warningf("%s: invalid date format", this.m_slug);
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}
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} else {
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this.m_firstPublished= DateTime.fromSimpleString("1970-Jan-01 00:00:00");
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}
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if ("updated" in headerNode) {
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try {
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this.m_updated = cast(DateTime) headerNode["updated"].as!SysTime();
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} catch(DateTimeException e) {
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warningf("%s: invalid date format", this.m_slug);
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}
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} else {
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this.m_updated = this.m_firstPublished;
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}
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}
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@property string excerpt() { return m_excerpt; }
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@property string author() { return m_author; }
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@property DateTime firstPublished() { return m_firstPublished; }
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@property DateTime updated() { return m_updated; }
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}
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