Add Socialcast importer

script/import_scripts/socialcast/create_title.rb

@@ -0,0 +1,50 @@
+require 'uri'
+
+class CreateTitle
+
+  def self.from_body(body)
+    title = remove_mentions body
+    title = remove_urls title
+    title = remove_stray_punctuation title
+    title = first_long_line title
+    return unless title
+
+    sentences = complete_sentences title
+    if !sentences.nil?
+      title = sentences[1]
+    else
+      title = complete_words title
+    end
+
+    return title unless title.nil? || title.size < 20
+  end
+
+  private
+
+  def self.remove_mentions(text)
+    text.gsub(/@[\w]*/, '')
+  end
+
+  def self.remove_urls(text)
+    text.gsub(URI::regexp(['http', 'https', 'mailto', 'ftp', 'ldap', 'ldaps']), '')
+  end
+
+  def self.remove_stray_punctuation(text)
+    text.gsub(/\s+?[^a-zA-Z0-9\s]\s+/, "\n")
+  end
+
+  def self.first_long_line(text)
+    lines = text.split("\n").select {|t| t.strip.size >= 20}
+    return if lines.empty?
+    lines[0].strip
+  end
+
+  def self.complete_sentences(text)
+    /(^.*[\S]{2,}[.!?:]+)\W/.match(text[0...80] + ' ')
+  end
+
+  def self.complete_words(text)
+    return text[0...80].rpartition(/\s/)[0] + "..." if text.size >= 80
+    text
+  end
+end