Move date helpers to DateTimeHelper

1 files changed, 63 insertions, 0 deletions

diff --git a/app/helpers/date_time_helper.rb b/app/helpers/date_time_helper.rb
new file mode 100644
index 000000000..831006e29
--- /dev/null
+++ b/app/helpers/date_time_helper.rb
@@ -0,0 +1,63 @@
+module DateTimeHelper
+    # Public: Usually-correct format for a DateTime-ish object
+    # To define a new new format define the `simple_date_{FORMAT}` method
+    #
+    # date - a DateTime, Date or Time
+    # opts - a Hash of options (default: { format: :html})
+    #        :format - :html returns a HTML <time> tag
+    #                  :text returns a plain String
+    #
+    # Examples
+    #
+    #   simple_date(Time.now)
+    #   # => "<time>..."
+    #
+    #   simple_date(Time.now, :format => :text)
+    #   # => "March 10, 2014"
+    #
+    # Returns a String
+    # Raises ArgumentError if the format is unrecognized
+    def simple_date(date, opts = {})
+        opts = { :format => :html }.merge(opts)
+        date_formatter = "simple_date_#{ opts[:format] }"
+
+        if respond_to?(date_formatter)
+            send(date_formatter, date)
+        else
+            raise ArgumentError, "Unrecognised format :#{ opts[:format] }"
+        end
+    end
+
+    # Usually-correct HTML formatting of a DateTime-ish object
+    # Use LinkToHelper#simple_date with desired formatting options
+    #
+    # date - a DateTime, Date or Time
+    #
+    # Returns a String
+    def simple_date_html(date)
+        date = date.in_time_zone unless date.is_a? Date
+        time_tag date, simple_date_text(date), :title => date.to_s
+    end
+
+    # Usually-correct plain text formatting of a DateTime-ish object
+    # Use LinkToHelper#simple_date with desired formatting options
+    #
+    # date - a DateTime, Date or Time
+    #
+    # Returns a String
+    def simple_date_text(date)
+        date = date.in_time_zone.to_date unless date.is_a? Date
+
+        date_format = _("simple_date_format")
+        date_format = :long if date_format == "simple_date_format"
+        I18n.l(date, :format => date_format)
+    end
+
+    def simple_time(date)
+        return date.strftime("%H:%M:%S").strip
+    end
+
+    def year_from_date(date)
+        return date.strftime("%Y").strip
+    end
+end