API for Dashboard

lib/jekyll-admin/apiable.rb

@@ -47,6 +47,10 @@ def to_api(include_content: false)
         output["name"] = basename
       end
 
+      if is_a?(Jekyll::Page) || is_a?(Jekyll::Document)
+        output["modified_at"] = mtime
+      end
+
       output
     end
 
@@ -70,6 +74,10 @@ def name
       @name
     end
 
+    def mtime
+      @mtime ||= File.stat(file_path).mtime
+    end
+
     def file_contents
       @file_contents ||= File.read(file_path, file_read_options) if file_exists?
     end

lib/jekyll-admin/server.rb

@@ -1,6 +1,6 @@
 module JekyllAdmin
   class Server < Sinatra::Base
-    ROUTES = %w(collections configuration data pages static_files).freeze
+    ROUTES = %w(collections configuration dashboard data pages static_files).freeze
     include JekyllAdmin::PathHelper
     include JekyllAdmin::FileHelper
 
@@ -86,6 +86,7 @@ def namespace
 
 require "jekyll-admin/server/collection"
 require "jekyll-admin/server/configuration"
+require "jekyll-admin/server/dashboard"
 require "jekyll-admin/server/data"
 require "jekyll-admin/server/page"
 require "jekyll-admin/server/static_file"

lib/jekyll-admin/server/dashboard.rb

@@ -0,0 +1,45 @@
+module JekyllAdmin
+  class Server < Sinatra::Base
+    namespace "/dashboard" do
+      get do
+        json site.site_payload.to_h.merge({
+          "site" => dashboard_site_payload,
+        })
+      end
+
+      private
+
+      def dashboard_site_payload
+        output = site.site_payload["site"].to_h.merge({
+          "data_files"  => data_files,
+          "html_pages"  => named_html_pages,
+          "pages"       => recent_pages.map { |page| page.to_api["path"] },
+          "posts"       => paths_to_posts,
+          "collections" => site.collections.map { |c| c[0] },
+          "watch"       => false, # manually override value set by --watch
+        })
+
+        output.delete("documents")
+        output.delete("data")
+
+        output
+      end
+
+      def named_html_pages
+        site.pages.select(&:html?).map { |page| page.to_api["name"] }
+      end
+
+      def recent_pages
+        site.pages.sort_by! { |page| page.to_api["modified_at"] }.reverse
+      end
+
+      def paths_to_posts
+        site.posts.docs.map { |post| post.relative_path.sub("_posts/", "") }
+      end
+
+      def data_files
+        DataFile.all.map { |d| d.to_api["relative_path"].sub("/_data/", "") }
+      end
+    end
+  end
+end

spec/jekyll-admin/server/dashboard_spec.rb

@@ -0,0 +1,26 @@
+describe "dashboard" do
+  include Rack::Test::Methods
+
+  def app
+    JekyllAdmin::Server
+  end
+
+  it "returns the modified site payload" do
+    get "/dashboard"
+    expect(last_response).to be_ok
+    expect(last_response_parsed["site"]["posts"]).to eql(
+      [
+        "2016-01-01-test-post.md",
+        "test/2016-01-02-test2.md",
+        "2016-02-01-test-post-2.md",
+        "2016-03-01-test-post-3.md",
+        "more posts/2016-04-01-post-within-subdirectory.md",
+        "more posts/some more posts/2016-05-01-a-test-post-within-subdirectory.md",
+        "more posts/some more posts/2016-05-02-another-test-post-within-subdirectory.md",
+      ]
+    )
+    expect(last_response_parsed["site"]["pages"]).to include("assets/style.scss")
+    expect(last_response_parsed["site"]["data"]).to eql(nil)
+    expect(last_response_parsed["site"]["documents"]).to eql(nil)
+  end
+end