Re: [SMW-devel] Updates: Images, LIKE-search, sorting tables

Wed, 09 Jan 2008 04:43:14 -0800 

Hi Markus,

> * There is a new RSS-Feed feature that allows you to subscribe to query
> results. Besides the associated performance issues with thousands of users
> re-issuing queries regularly, this should be an extremely cool thing. It
> simply works by creating an inline query with the new format "rss", which
> creates a link to an RSS feed. The parameters "rsstitle" and "rssdescription"
> can be used to describe the feed, "searchlabel" is available to customise the
> link text. Print requests are largely ignored right now, unless they use the
> label "creator" or "date" in which case they are used for specifying the
> according fields in RSS. Otherwise the last wiki editor and modification date
> is used. An example is to be found at the top of [1]. Configuration 
> parameters are available for enabling/disabling this feature, and to choose
> between complete embedding of articles and plain result lists.
I've tried to use the following wiki-code to enable RSS feed:
{{#ask: [[Category:News]] [[Date::+]]|
?Date|
sort=Date|
order=descending|
limit=20|
format=rss|
rsstitle=Our news|
rssdescription=News|
default=Unfortunately there's no news|
searchlabel=RSS|
}}
(translated from Russian)

however, it gives me
Fatal error:  Call to a member function getFullURL() on a non-object in
  extensions/SemanticMediaWiki/includes/SMW_QP_RSSlink.php> on line 59

The ask query is copy/paste converted from perfectly working ask query
where the format=template.

One note - my site default language ($wgLanguageCode) is "ru".

Variables dump from SMWRSSResultPrinter::getRSSURL is attached.

It seems that link text, returned by $this->getRSSTitle($res) doesn't pass
sanity check in Title::secureAndSplit(), thus NULL is being returned
by Title::newFromText, then getFullURL gives an error.

Dmitriy
object(SMWQueryResult)#133 (6) {
  ["m_content:protected"]=>
  array(0) {
  }
  ["m_printrequests:protected"]=>
  array(2) {
    ["2::"]=>
    object(SMWPrintRequest)#245 (5) {
      ["m_mode:protected"]=>
      int(2)
      ["m_label:protected"]=>
      string(0) ""
      ["m_title:protected"]=>
      NULL
      ["m_typeid:protected"]=>
      bool(false)
      ["m_outputformat:protected"]=>
      string(0) ""
    }
    ["1:Свойство:Дата::"]=>
    object(SMWPrintRequest)#244 (5) {
      ["m_mode:protected"]=>
      int(1)
      ["m_label:protected"]=>
      string(8) "Дата"
      ["m_title:protected"]=>
      object(Title)#241 (19) {
        ["mTextform"]=>
        string(8) "Дата"
        ["mUrlform"]=>
        string(24) "%D0%94%D0%B0%D1%82%D0%B0"
        ["mDbkeyform"]=>
        string(8) "Дата"
        ["mUserCaseDBKey"]=>
        string(8) "Дата"
        ["mNamespace"]=>
        int(102)
        ["mInterwiki"]=>
        string(0) ""
        ["mFragment"]=>
        string(0) ""
        ["mArticleID"]=>
        int(-1)
        ["mLatestID"]=>
        bool(false)
        ["mRestrictions"]=>
        array(0) {
        }
        ["mCascadeRestriction"]=>
        NULL
        ["mRestrictionsExpiry"]=>
        NULL
        ["mHasCascadingRestrictions"]=>
        NULL
        ["mCascadeRestrictionSources"]=>
        NULL
        ["mRestrictionsLoaded"]=>
        bool(false)
        ["mPrefixedText"]=>
        string(25) "Свойство:Дата"
        ["mDefaultNamespace"]=>
        int(102)
        ["mWatched"]=>
        NULL
        ["mOldRestrictions"]=>
        bool(false)
      }
      ["m_typeid:protected"]=>
      bool(false)
      ["m_outputformat:protected"]=>
      string(0) ""
    }
  }
  ["m_furtherres:protected"]=>
  bool(false)
  ["m_query:protected"]=>
  object(SMWQuery)#175 (11) {
    ["sort"]=>
    bool(true)
    ["ascending"]=>
    bool(false)
    ["sortkey"]=>
    string(8) "Дата"
    ["querymode"]=>
    int(4)
    ["m_limit:protected"]=>
    int(20)
    ["m_offset:protected"]=>
    int(0)
    ["m_description:protected"]=>
    object(SMWConjunction)#237 (2) {
      ["m_descriptions:protected"]=>
      array(2) {
        [0]=>
        object(SMWClassDescription)#240 (2) {
          ["m_titles:protected"]=>
          array(1) {
            [0]=>
            object(Title)#136 (19) {
              ["mTextform"]=>
              string(14) "Новости"
              ["mUrlform"]=>
              string(42) "%D0%9D%D0%BE%D0%B2%D0%BE%D1%81%D1%82%D0%B8"
              ["mDbkeyform"]=>
              string(14) "Новости"
              ["mUserCaseDBKey"]=>
              string(14) "Новости"
              ["mNamespace"]=>
              int(14)
              ["mInterwiki"]=>
              string(0) ""
              ["mFragment"]=>
              string(0) ""
              ["mArticleID"]=>
              int(-1)
              ["mLatestID"]=>
              bool(false)
              ["mRestrictions"]=>
              array(0) {
              }
              ["mCascadeRestriction"]=>
              NULL
              ["mRestrictionsExpiry"]=>
              NULL
              ["mHasCascadingRestrictions"]=>
              NULL
              ["mCascadeRestrictionSources"]=>
              NULL
              ["mRestrictionsLoaded"]=>
              bool(false)
              ["mPrefixedText"]=>
              NULL
              ["mDefaultNamespace"]=>
              int(14)
              ["mWatched"]=>
              NULL
              ["mOldRestrictions"]=>
              bool(false)
            }
          }
          ["m_printreqs:protected"]=>
          array(0) {
          }
        }
        [1]=>
        object(SMWSomeProperty)#231 (3) {
          ["m_description:protected"]=>
          object(SMWThingDescription)#232 (1) {
            ["m_printreqs:protected"]=>
            array(0) {
            }
          }
          ["m_property:protected"]=>
          object(Title)#137 (19) {
            ["mTextform"]=>
            string(8) "Дата"
            ["mUrlform"]=>
            string(24) "%D0%94%D0%B0%D1%82%D0%B0"
            ["mDbkeyform"]=>
            string(8) "Дата"
            ["mUserCaseDBKey"]=>
            string(8) "Дата"
            ["mNamespace"]=>
            int(102)
            ["mInterwiki"]=>
            string(0) ""
            ["mFragment"]=>
            string(0) ""
            ["mArticleID"]=>
            int(-1)
            ["mLatestID"]=>
            bool(false)
            ["mRestrictions"]=>
            array(0) {
            }
            ["mCascadeRestriction"]=>
            NULL
            ["mRestrictionsExpiry"]=>
            NULL
            ["mHasCascadingRestrictions"]=>
            NULL
            ["mCascadeRestrictionSources"]=>
            NULL
            ["mRestrictionsLoaded"]=>
            bool(false)
            ["mPrefixedText"]=>
            NULL
            ["mDefaultNamespace"]=>
            int(102)
            ["mWatched"]=>
            NULL
            ["mOldRestrictions"]=>
            bool(false)
          }
          ["m_printreqs:protected"]=>
          array(0) {
          }
        }
      }
      ["m_printreqs:protected"]=>
      array(2) {
        ["2::"]=>
        object(SMWPrintRequest)#245 (5) {
          ["m_mode:protected"]=>
          int(2)
          ["m_label:protected"]=>
          string(0) ""
          ["m_title:protected"]=>
          NULL
          ["m_typeid:protected"]=>
          bool(false)
          ["m_outputformat:protected"]=>
          string(0) ""
        }
        ["1:Свойство:Дата::"]=>
        object(SMWPrintRequest)#244 (5) {
          ["m_mode:protected"]=>
          int(1)
          ["m_label:protected"]=>
          string(8) "Дата"
          ["m_title:protected"]=>
          object(Title)#241 (19) {
            ["mTextform"]=>
            string(8) "Дата"
            ["mUrlform"]=>
            string(24) "%D0%94%D0%B0%D1%82%D0%B0"
            ["mDbkeyform"]=>
            string(8) "Дата"
            ["mUserCaseDBKey"]=>
            string(8) "Дата"
            ["mNamespace"]=>
            int(102)
            ["mInterwiki"]=>
            string(0) ""
            ["mFragment"]=>
            string(0) ""
            ["mArticleID"]=>
            int(-1)
            ["mLatestID"]=>
            bool(false)
            ["mRestrictions"]=>
            array(0) {
            }
            ["mCascadeRestriction"]=>
            NULL
            ["mRestrictionsExpiry"]=>
            NULL
            ["mHasCascadingRestrictions"]=>
            NULL
            ["mCascadeRestrictionSources"]=>
            NULL
            ["mRestrictionsLoaded"]=>
            bool(false)
            ["mPrefixedText"]=>
            string(25) "Свойство:Дата"
            ["mDefaultNamespace"]=>
            int(102)
            ["mWatched"]=>
            NULL
            ["mOldRestrictions"]=>
            bool(false)
          }
          ["m_typeid:protected"]=>
          bool(false)
          ["m_outputformat:protected"]=>
          string(0) ""
        }
      }
    }
    ["m_errors:protected"]=>
    array(0) {
    }
    ["m_querystring:protected"]=>
    string(53) "[[Категория:Новости]] [[Дата::+]]"
    ["m_inline:protected"]=>
    bool(true)
    ["m_extraprintouts:protected"]=>
    array(1) {
      [0]=>
      object(SMWPrintRequest)#244 (5) {
        ["m_mode:protected"]=>
        int(1)
        ["m_label:protected"]=>
        string(8) "Дата"
        ["m_title:protected"]=>
        object(Title)#241 (19) {
          ["mTextform"]=>
          string(8) "Дата"
          ["mUrlform"]=>
          string(24) "%D0%94%D0%B0%D1%82%D0%B0"
          ["mDbkeyform"]=>
          string(8) "Дата"
          ["mUserCaseDBKey"]=>
          string(8) "Дата"
          ["mNamespace"]=>
          int(102)
          ["mInterwiki"]=>
          string(0) ""
          ["mFragment"]=>
          string(0) ""
          ["mArticleID"]=>
          int(-1)
          ["mLatestID"]=>
          bool(false)
          ["mRestrictions"]=>
          array(0) {
          }
          ["mCascadeRestriction"]=>
          NULL
          ["mRestrictionsExpiry"]=>
          NULL
          ["mHasCascadingRestrictions"]=>
          NULL
          ["mCascadeRestrictionSources"]=>
          NULL
          ["mRestrictionsLoaded"]=>
          bool(false)
          ["mPrefixedText"]=>
          string(25) "Свойство:Дата"
          ["mDefaultNamespace"]=>
          int(102)
          ["mWatched"]=>
          NULL
          ["mOldRestrictions"]=>
          bool(false)
        }
        ["m_typeid:protected"]=>
        bool(false)
        ["m_outputformat:protected"]=>
        string(0) ""
      }
    }
  }
  ["m_querystring:protected"]=>
  string(53) "[[Категория:Новости]] [[Дата::+]]"
  ["m_extraprintouts:protected"]=>
  array(1) {
    [0]=>
    object(SMWPrintRequest)#244 (5) {
      ["m_mode:protected"]=>
      int(1)
      ["m_label:protected"]=>
      string(8) "Дата"
      ["m_title:protected"]=>
      object(Title)#241 (19) {
        ["mTextform"]=>
        string(8) "Дата"
        ["mUrlform"]=>
        string(24) "%D0%94%D0%B0%D1%82%D0%B0"
        ["mDbkeyform"]=>
        string(8) "Дата"
        ["mUserCaseDBKey"]=>
        string(8) "Дата"
        ["mNamespace"]=>
        int(102)
        ["mInterwiki"]=>
        string(0) ""
        ["mFragment"]=>
        string(0) ""
        ["mArticleID"]=>
        int(-1)
        ["mLatestID"]=>
        bool(false)
        ["mRestrictions"]=>
        array(0) {
        }
        ["mCascadeRestriction"]=>
        NULL
        ["mRestrictionsExpiry"]=>
        NULL
        ["mHasCascadingRestrictions"]=>
        NULL
        ["mCascadeRestrictionSources"]=>
        NULL
        ["mRestrictionsLoaded"]=>
        bool(false)
        ["mPrefixedText"]=>
        string(25) "Свойство:Дата"
        ["mDefaultNamespace"]=>
        int(102)
        ["mWatched"]=>
        NULL
        ["mOldRestrictions"]=>
        bool(false)
      }
      ["m_typeid:protected"]=>
      bool(false)
      ["m_outputformat:protected"]=>
      string(0) ""
    }
  }
}



object(SMWRSSResultPrinter)#140 (12) {
  ["title:protected"]=>
  string(126) "Новости Ярославского 
Государственного Университета им. 
П.Г.Демидова"
  ["description:protected"]=>
  string(23) "Новости ЯрГУ"
  ["m_params:protected"]=>
  array(8) {
    ["sort"]=>
    string(8) "Дата"
    ["order"]=>
    string(10) "descending"
    ["limit"]=>
    string(2) "20"
    ["format"]=>
    string(3) "rss"
    ["rsstitle"]=>
    string(126) "Новости Ярославского 
Государственного Университета им. 
П.Г.Демидова"
    ["rssdescription"]=>
    string(23) "Новости ЯрГУ"
    ["default"]=>
    string(84) "К сожалению, в течение месяца не 
было новостей"
    ["searchlabel"]=>
    string(3) "RSS"
  }
  ["mFormat:protected"]=>
  string(3) "rss"
  ["mIntro:protected"]=>
  string(0) ""
  ["mSearchlabel:protected"]=>
  string(3) "RSS"
  ["mLinkFirst:protected"]=>
  bool(true)
  ["mLinkOthers:protected"]=>
  bool(true)
  ["mDefault:protected"]=>
  string(84) "К сожалению, в течение месяца не 
было новостей"
  ["mShowHeaders:protected"]=>
  bool(true)
  ["mInline:protected"]=>
  bool(true)
  ["mLinker:protected"]=>
  object(Linker)#235 (0) {
  }
}

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