QFQ

###

###

#

# GETFUNCTIONSHASH() is used for checking whether this file has been played properly in DatabaseUpdate.php

#

DROP FUNCTION IF EXISTS GETFUNCTIONSHASH;

CREATE FUNCTION GETFUNCTIONSHASH()

  RETURNS TEXT

  DETERMINISTIC

  SQL SECURITY INVOKER

BEGIN

  RETURN '%%FUNCTIONSHASH%%';

END;

###

#

# QMORE(input, maxlen)

# inserts a span into `input` after `maxlen` number of characters and returns it.

#

DROP FUNCTION IF EXISTS QMORE;

CREATE FUNCTION QMORE(input TEXT, maxlen INT)

  RETURNS TEXT

  DETERMINISTIC

  SQL SECURITY INVOKER

BEGIN

  DECLARE output TEXT;

  IF maxlen < 1 THEN

    SET maxlen = 1;

  END IF;

  IF CHAR_LENGTH(input) > maxlen THEN

    SET output = CONCAT(INSERT(input, maxlen, 0, '<span class="qfq-more-text">'), '</span>');

  ELSE

    SET output = input;

  END IF;

  RETURN output;

END;

###

#

# QBAR(input)

# replaces '|' in `input` with '\|'

#

DROP FUNCTION IF EXISTS QBAR;

CREATE FUNCTION QBAR(input TEXT)

    RETURNS TEXT

    DETERMINISTIC

    SQL SECURITY INVOKER

BEGIN

    DECLARE output TEXT;

    SET output = REPLACE(input, '|', '\\|');

    RETURN output;

END;

###

#

# QCC(input)

# replaces ':' (colon) and ',' (coma)  in `input` with '\:' and '\,'

#

DROP FUNCTION IF EXISTS QCC;

CREATE FUNCTION QCC(input TEXT)

    RETURNS TEXT

    DETERMINISTIC

    SQL SECURITY INVOKER

BEGIN

    DECLARE output TEXT;

    SET output = REPLACE(REPLACE(input, ':', '\\:'), ',', '\\,');

    RETURN output;

END;

###

#

# QNL2BR(input)

# replaces '|' in `input` with '\|'

#

DROP FUNCTION IF EXISTS QNL2BR;

CREATE FUNCTION QNL2BR(input TEXT)

    RETURNS TEXT

    DETERMINISTIC

    SQL SECURITY INVOKER

BEGIN

  DECLARE output TEXT;

  SET output = REPLACE(REPLACE(input, CHAR(13), ''), CHAR(10), '<br>');

  RETURN output;

END;

###

#

# QIFEMPTY(input, token)

# If 'input' is empty|0|0000-00-00|0000-00-00 00:00:00, replace by 'token'

#

DROP FUNCTION IF EXISTS QIFEMPTY;

CREATE FUNCTION QIFEMPTY(input TEXT, token TEXT)

  RETURNS TEXT

  DETERMINISTIC

  SQL SECURITY INVOKER

BEGIN

  DECLARE output TEXT;

  SET output =

      IF(ISNULL(input) OR input = '' OR input = '0' OR input = '0000-00-00' OR input = '0000-00-00 00:00:00', token,

         input);

  RETURN output;

END;

###

#

# strip_tags(input) - copied from https://stackoverflow.com/questions/2627940/remove-html-tags-from-record

#

DROP FUNCTION IF EXISTS strip_tags;

CREATE FUNCTION `strip_tags`(str TEXT)

  RETURNS TEXT

  DETERMINISTIC

  SQL SECURITY INVOKER

BEGIN

  DECLARE start, end INT DEFAULT 1;

  LOOP

    SET start = LOCATE("<", str, start);

    IF (!start) THEN RETURN str; END IF;

    SET end = LOCATE(">", str, start);

    IF (!end) THEN SET end = start; END IF;

    SET str = INSERT(str, start, end - start + 1, "");

  END LOOP;

END;

###

#

# QDATE_FORMAT(timestamp)

#

DROP FUNCTION IF EXISTS QDATE_FORMAT;

CREATE FUNCTION `QDATE_FORMAT`(ts DATETIME)

    RETURNS TEXT

    DETERMINISTIC

    SQL SECURITY INVOKER

BEGIN

    DECLARE output TEXT;

    SET output = IF(ts = 0, '-', DATE_FORMAT(ts, "%d.%m.%Y %H:%i"));

    RETURN output;

END;

###

#

# QSLUGIFY(string)

#

/*

The MIT License (MIT)

Copyright (c) 2014 jose reis<jose.reis@artbit.pt>

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.

Credits:

- http://stackoverflow.com/questions/5409831/mysql-stored-function-to-create-a-slug

*/

DROP FUNCTION IF EXISTS `QSLUGIFY`;

CREATE FUNCTION `QSLUGIFY`(dirty_string varchar(255)) RETURNS varchar(255) CHARSET utf8

    DETERMINISTIC

BEGIN

    DECLARE x, y , z , k INT;

    DECLARE temp_string, new_string, accents, noAccents VARCHAR(255);

    DECLARE is_allowed BOOL;

    DECLARE c, check_char VARCHAR(1);

    -- IF NULL DO NOT PROCEED

    If dirty_string IS NULL Then

        return dirty_string;

    End If;

    set temp_string = LOWER(dirty_string);

    -- REPLACE ACCENTS

    -- WITH CAPS

    -- set accents = 'ŠšŽžÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÑÒÓÔÕÖØÙÚÛÜÝŸÞàáâãäåæçèéêëìíîïñòóôõöøùúûüýÿþƒ';

    -- set noAccents = 'SsZzAAAAAAACEEEEIIIINOOOOOOUUUUYYBaaaaaaaceeeeiiiinoooooouuuuyybf';

    -- ONLY SMALL CAPS

    set accents = 'šžàáâãäåæçèéêëìíîïñòóôõöøùúûüýÿþƒ';

    set noAccents = 'szaaaaaaaceeeeiiiinoooooouuuuyybf';

    set k = CHAR_LENGTH(accents);

    while k > 0

        do

            set temp_string = REPLACE(temp_string, SUBSTRING(accents, k, 1), SUBSTRING(noAccents, k, 1));

            set k = k - 1;

        end while;

    -- CONVERT & TO EMPTY SPACE

    Set temp_string = REPLACE(temp_string, '&', '');

    -- REPLACE ALL UNWANTED CHARS

    Select temp_string REGEXP ('[^a-z0-9\-]+') into x;

    If x = 1 then

        set z = 1;

        set k = CHAR_LENGTH(temp_string);

        While z <= k

            Do

                Set c = SUBSTRING(temp_string, z, 1);

                Set is_allowed = FALSE;

                If !((ascii(c) = 45) or (ascii(c) >= 48 and ascii(c) <= 57) or

                     (ascii(c) >= 97 and ascii(c) <= 122)) Then

                    Set temp_string = REPLACE(temp_string, c, '-');

                End If;

                set z = z + 1;

            End While;

    End If;

    Select temp_string REGEXP ("^-|-$|'") into x;

    If x = 1 Then

        Set temp_string = Replace(temp_string, "'", '');

        Set z = CHAR_LENGTH(temp_string);

        Set y = CHAR_LENGTH(temp_string);

        Dash_check:

        While z > 1

            Do

                If STRCMP(SUBSTRING(temp_string, -1, 1), '-') = 0 Then

                    Set temp_string = SUBSTRING(temp_string, 1, y - 1);

                    Set y = y - 1;

                Else

                    Leave Dash_check;

                End If;

                Set z = z - 1;

            End While;

    End If;

    Repeat

        Select temp_string REGEXP ("--") into x;

        If x = 1 Then

            Set temp_string = REPLACE(temp_string, "--", "-");

        End If;

    Until x <> 1 End Repeat;

    If LOCATE('-', temp_string) = 1 Then

        Set temp_string = SUBSTRING(temp_string, 2);

    End If;

    Return temp_string;

END;