65 lines
1.4 KiB
Raku
65 lines
1.4 KiB
Raku
use v6.e.PREVIEW;
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#| Post database
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unit module DB;
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use Pandoc;
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use JSON::Class:auth<zef:vrurg>;
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use DB::Post;
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use DB::BlogMeta;
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#| A plain markdown post
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class MarkdownPost does Post is json {
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#| Marker for disambiguation between post types in json representation, the
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#| cheaty way
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has Bool:D $.markdown = True;
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method title(--> Str:D) {
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markdown-title($!source)
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}
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}
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#| A plain markdown post
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class IdrisPost does Post is json {
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#| Marker for disambiguation between post types in json representation, the
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#| cheaty way
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has Bool:D $.idris = True;
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method title(--> Str:D) {
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markdown-title($!source)
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}
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}
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class Posts is json(:dictionary(:keyof(Int:D), MarkdownPost:D, IdrisPost:D)) {}
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subset PostTypes where MarkdownPost:D | IdrisPost:D;
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#| The top level posts database
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class PostDB is json(:pretty) {
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#| The metadat for the blog
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has BlogMeta:D $.meta is required;
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#| A mapping from post ids to posts
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has %.posts is Posts;
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method TWEAK() {
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%!posts := Posts.new unless %!posts;
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}
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#| Get the next unused post ID
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method next-post-id(--> Int) {
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if %!posts.elems > 0 {
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%!posts.keys.max + 1
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} else {
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0
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}
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}
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#| Insert a new post to the DB, returning its id
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method insert-post(PostTypes $post --> Int) {
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my $id = self.next-post-id;
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%!posts{$id} = $post;
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$id
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}
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}
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