Rules

#!/usr/bin/env ruby

preprocess do
    @items.each do |item|
        if item[:published]
            item[:published] = DateTime.parse(item[:published].to_s)
        end
        if item[:updated]
            item[:updated] = DateTime.parse(item[:updated].to_s)
        end
        if item[:tags]
            item[:tags] = item[:tags].split(",").map{|t| t.strip}
        end
        if item[:url]
            if item[:url] !~ /:\/\//
                item[:url] = "https://" + item[:url]
            end
        end
        if item[:title]
            dir = item.identifier.to_s.split("/")[0..-2].join("/")+"/"
            if item[:thumbnail]
                if item[:thumbnail][0] != "/"
                    # Thumbnail path is relative, make it absolute.
                    item[:thumbnail] = dir+item[:thumbnail]
                end
            else
                thumb = @items[dir+"*thumbnail*{png,jpg,gif,svg}"] ||
                    @items[dir+"*talk*.pdf"] ||
                    @items[dir+"*.{png,jpg,gif,svg,pdf}"]
                if thumb
                    item[:thumbnail] = thumb.identifier
                else
                    item[:thumbnail] = "/assets/images/avatar.png"
                end
            end
            if ENV["NANOC_ENV"] != "dev"
                # We don't build thumbnails in dev mode.
                @items[item[:thumbnail]][:thumbnailize] = true
            end
        end
    end
end

compile "/**/*.scss" do
    filter :sass, syntax: :scss
    write item.identifier.without_ext + ".css"
end

compile "/**/*.coffee" do
    filter :coffeescript
    write item.identifier.without_ext + ".js"
end

compile "/**/*.xml" do
    filter :erb
    write item.identifier.without_ext + ".html"
end

compile "/**/*.{png,jpg,gif,svg}", :rep => :thumbnail do
    if item[:thumbnailize]
        filter :thumbnailize, :width => 600
        write item.identifier + "-thumbnail.jpg"
    end
end

compile "/**/*.{png,jpg,gif,svg}", :rep => :minithumbnail do
    if item[:thumbnailize]
        filter :thumbnailize, :width => 350
        write item.identifier + "-minithumbnail.jpg"
    end
end

compile "/**/*.md" do
    if item[:title]
        filter :erb
        filter :absolutize_paths
        filter :kramdown
        layout "/default.*"
        write item.identifier.without_ext + ".html"
    end
end

compile "/index.html.erb" do
    filter :erb
    layout "/default.*"
    write item.identifier.to_s[0..-10] + ".html"
end

compile "/**/*.slim" do
    filter :slim
    layout "/default.*"
    write item.identifier.without_ext + ".html"
end

compile "/**/*.pdf", :rep => :titlepage do
    if ENV["NANOC_ENV"] != "dev"
        # In dev mode, we don't build titlepages.
        filter :titlepageize
        write item.identifier + "-titlepage.svg"
    end
end

compile "/**/*.pdf", :rep => :thumbnail do
    if item[:thumbnailize]
        filter :titlepageize
        filter :thumbnailize, :width => 600
        write item.identifier + "-titlepage.svg-thumbnail.jpg"
    end
end

compile "/**/*.pdf", :rep => :minithumbnail do
    if item[:thumbnailize]
        filter :titlepageize
        filter :thumbnailize, :width => 350
        write item.identifier + "-titlepage.svg-minithumbnail.jpg"
    end
end

passthrough "/**/*"

layout "/**/*", :erb