Make sure only flush db if there are redfams

To prevent from doing unnecessary stuff and trying to use not existing
db connection

Related Task: [https://fs.golderweb.de/index.php?do=details&task_id=75 FS#75]

Related Task: [https://fs.golderweb.de/index.php?do=details&task_id=75 FS#75]

reddiscparser.py

@@ -102,18 +102,31 @@ class DiscussionParserBot(
         # Check whether parsing is needed
         if red_page.is_parsing_needed():
 
+            # Count families for failure analysis
+            fam_counter = 0
+
             # Iterate over returned generator with redfam sections
             for fam in red_page.parse():
 
                 # Run RedFamParser on section text
                 redfam.RedFamParser.parser( fam, red_page.page._pageid,
                                             red_page.is_archive() )
+
+                fam_counter += 1
+
             else:
                 # If successfully parsed whole page, flush
                 # db write cache
+                if( fam_counter ):
                     redfam.RedFamParser.flush_db_cache()
                     jogobot.output( "Page [[{reddisc}]] parsed".format(
                         reddisc=red_page.page.title() ) )
+                else:
+                    jogobot.output(
+                        "\03{red} Page [[{reddisc}]], ".format(
+                            reddisc=red_page.page.title() ) +
+                        "containing no redfam, parsed!",
+                        "WARNING" )
 
 
 def apply_conf_cat_generators( genFactory ):