From 4000399ded0a7ac6e5165aba90bfecb0dbf93fda Mon Sep 17 00:00:00 2001
From: ZippyDev <ZippyDev@protonmail.com>
Date: Sun, 10 Nov 2019 15:41:38 -0700
Subject: [PATCH] Add html parser

---
 lib/ncaa/parser/html/base.rb      | 46 ++++++++++++++++++++++++
 lib/ncaa/parser/html/rankings.rb  | 58 +++++++++++++++++++++++++++++++
 lib/ncaa/parser/html/standings.rb | 13 +++++++
 3 files changed, 117 insertions(+)
 create mode 100644 lib/ncaa/parser/html/base.rb
 create mode 100644 lib/ncaa/parser/html/rankings.rb
 create mode 100644 lib/ncaa/parser/html/standings.rb

diff --git a/lib/ncaa/parser/html/base.rb b/lib/ncaa/parser/html/base.rb
new file mode 100644
index 0000000..6f2fb95
--- /dev/null
+++ b/lib/ncaa/parser/html/base.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require 'nokogiri'
+
+module Ncaa
+  module Parser
+    module Html
+      class Base
+        attr_reader :body, :code, :html, :response, :options
+
+        def self.parse(resp, options: {})
+          response = new(resp, options: options)
+          response.build
+        end
+
+        def initialize(resp, options: {})
+          @body = resp.body
+          @code = resp.code
+          @html = parse_html
+          @response = resp
+          @options = options
+        end
+
+        def build
+          raise NotImplementedError.new
+        end
+
+        private
+
+        # @param response [String]
+        # @return [Nokogiri::HTML]
+        def parse_html
+          Nokogiri::HTML(body)
+        rescue StandardError => e
+          raise InvalidHtmlResponseError.new(error: 'Invalid Html', response: response, message: e.message)
+        end
+
+        class InvalidHtmlResponseError < StandardError; end
+      end
+    end
+  end
+end
+
+# require after Base is defined
+require 'ncaa/parser/html/rankings'
+require 'ncaa/parser/html/standings'
diff --git a/lib/ncaa/parser/html/rankings.rb b/lib/ncaa/parser/html/rankings.rb
new file mode 100644
index 0000000..83a6ca3
--- /dev/null
+++ b/lib/ncaa/parser/html/rankings.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+module Ncaa
+  module Parser
+    module Html
+      class Rankings < Base
+        def build
+          {
+            type: type.inner_html.strip,
+            uri: type.values.first.strip,
+            last_updated: last_updated,
+            data: rankings
+          }
+        end
+
+        private
+
+        # @return [Array<Nokogiri::HTML>]
+        def table
+          @table ||= html.css('article.rankings-content table')
+        end
+
+        # @return [Array<Symbol>]
+        def keys
+          @keys ||= table.css('thead th').map { |x| x.text.remove(/\s/).underscore.to_sym }
+        end
+
+        # @return [Nokogiri::HTML]
+        def type
+          @type ||= html.css('form#rankings-menu-form select#edit-rankings-menu option[selected="selected"]').first
+        end
+
+        # @return [Time]
+        def last_updated
+          @last_updated ||= begin
+            updated = html.css('figure.rankings-last-updated').text
+            date = updated[/\w+{3,}\.? \d+{1,2}, \d+{2,4}/]
+            Time.parse(date)
+          end
+        end
+
+        # @return [Array<Hash>]
+        def rankings
+          @rankings ||= begin
+            table.css('tbody tr').each.with_object([]) do |row, arr|
+              team = {}
+              columns = row.css('td')
+
+              keys.each.with_index { |key, i| team[key] = columns[i].text }
+
+              arr << team
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/ncaa/parser/html/standings.rb b/lib/ncaa/parser/html/standings.rb
new file mode 100644
index 0000000..6c10e29
--- /dev/null
+++ b/lib/ncaa/parser/html/standings.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module Ncaa
+  module Parser
+    module Html
+      class Standings < Base
+        def build
+          raise NotImplementedError.new
+        end
+      end
+    end
+  end
+end