us3_procedures.sql

--
-- us3_procedures.sql
--
-- Script to set up the MySQL stored procedures for the US3 system
-- Run as us3admin
--

DELIMITER $$

-- Called by other procedures to set up environment
DROP PROCEDURE IF EXISTS config$$
CREATE PROCEDURE config()
BEGIN
  SET @SQL_MODE       = 'traditional';
  SET @ADMIN_EMAIL    = 'dzollars@gmail.com';
  SET @USERNAME       = LEFT( USER(), LOCATE( '@', USER() ) - 1 );

  SELECT timediff( UTC_TIMESTAMP(), CURRENT_TIMESTAMP() ) INTO @UTC_DIFF;

-- Some error codes
  SET @OK             = 0;
  SET @ERROR          = -1;
  SET @NOT_CONNECTED  = 1;

  SET @DUP_EMAIL      = 101;
  SET @NO_ACCT        = 102;
  SET @INACTIVE       = 103;
  SET @BADPASS        = 104;
  SET @EMPTY          = 105;
  SET @BAD_CHECKSUM   = 106;

  SET @NOTPERMITTED   = 201;
  SET @BADOPERATOR    = 202;
  SET @BADLABLOCATION = 203;
  SET @BADGUID        = 204;

  SET @NOROWS         = 301;

  SET @INSERTNULL     = 401;
  SET @INSERTDUP      = 402;
  SET @DUPFIELD       = 403;
  SET @CONSTRAINT_FAILED = 404;

  SET @NO_BUFFER      = 501;
  SET @NO_COMPONENT   = 502;
  SET @NO_ROTOR       = 503;
  SET @NO_ANALYTE     = 504;
  SET @NO_LAB         = 505;
  SET @NO_PERSON      = 506;
  SET @NO_MODEL       = 507;
  SET @NO_EXPERIMENT  = 508;
  SET @NO_RAWDATA     = 509;
  SET @NO_EDITDATA    = 510;
  SET @NO_SOLUTION    = 511;
  SET @CALIB_IN_USE   = 512;    -- the rotor calibration profile is in use
  SET @ROTOR_IN_USE   = 513;    -- the rotor is in use
  SET @NO_NOISE       = 514;
  SET @NO_PROJECT     = 515;
  SET @BUFFER_IN_USE  = 516;
  SET @ANALYTE_IN_USE = 517;
  SET @SOLUTION_IN_USE = 518;
  SET @NO_CALIB        = 519;
  SET @NO_REPORT       = 520;
  SET @NO_REPORT_TRIPLE     = 521;
  SET @NO_REPORT_DOCUMENT   = 522;
  SET @NO_DOCUMENT_LINK     = 523;
  SET @MORE_THAN_SINGLE_ROW = 524;
  SET @NO_MRECS       = 525;
  SET @NO_PROTOCOL    = 526;
  SET @NO_ROTOR_CAL   = 527;
  SET @INSTRUMENT_IN_USE = 553;
  SET @PROTOCOL_IN_USE   = 554;
  SET @NO_AUTOFLOW_RECORD = 555;  
 
  -- Some user levels
  SET @US3_USER       = 0;
  SET @US3_PRIV       = 1;
  SET @US3_ANALYST    = 2;
  SET @US3_ADMIN      = 3;
  SET @US3_SUPER      = 4;
  
END$$

-- Returns the most recent error number
DROP FUNCTION IF EXISTS last_errno$$
CREATE FUNCTION last_errno()
  RETURNS INT
  NO SQL

BEGIN
  RETURN( @US3_LAST_ERRNO );

END$$

-- Returns the most recent error text message
DROP FUNCTION IF EXISTS last_error$$
CREATE FUNCTION last_error()
  RETURNS TEXT
  NO SQL

BEGIN
  RETURN( @US3_LAST_ERROR );

END$$

-- Returns the first automatically generated value successfully
--  inserted for an AUTO_INCREMENT column in the most recent
--  INSERT statement, or 0 if no rows were inserted
DROP FUNCTION IF EXISTS last_insertID$$
CREATE FUNCTION last_insertID()
  RETURNS TEXT
  NO SQL

BEGIN
  RETURN( @LAST_INSERT_ID );

END$$

-- Returns the most recent @DEBUG statement
DROP FUNCTION IF EXISTS last_debug$$
CREATE FUNCTION last_debug()
  RETURNS TEXT
  NO SQL

BEGIN
  RETURN( @DEBUG );

END$$

DROP FUNCTION IF EXISTS timestamp2UTC$$
CREATE FUNCTION timestamp2UTC( p_ts TIMESTAMP )
  RETURNS TIMESTAMP
  NO SQL

BEGIN
  DECLARE count_gmt INT;
  DECLARE utcTime   TIMESTAMP;

  -- Let's see if timezone support is there
  SELECT COUNT(*) INTO count_gmt
  FROM mysql.time_zone_name
  WHERE name LIKE '%GMT%';

  IF ( count_gmt > 0 ) THEN
    -- yes, it looks like timezone support is there
    SELECT CONVERT_TZ( p_ts, @@global.time_zone, 'GMT') INTO utcTime;

  ELSE
    -- no, not there
    SELECT ADDTIME( p_ts, @UTC_DIFF ) INTO utcTime;

  END IF;

  RETURN( utcTime );

END$$

-- Checks the user with the passed GUID and password
DROP FUNCTION IF EXISTS check_user$$
CREATE FUNCTION check_user( p_personGUID     CHAR(36),
                            p_password VARCHAR(80) )
  RETURNS INT
  READS SQL DATA

BEGIN
  DECLARE count_user INT;
  DECLARE md5_pw VARCHAR(80);
  DECLARE l_password VARCHAR(80);
  DECLARE activated INT;

  call config();
  SET @US3_LAST_ERRNO = @OK;
  SET @US3_LAST_ERROR = '';
  SET @LAST_INSERT_ID = 0;
  SET @US3_ID         = NULL;
  SET @FNAME          = NULL;
  SET @LNAME          = NULL;
  SET @PHONE          = NULL;
  SET @EMAIL          = NULL;
  SET @personGUID     = NULL;
  SET @USERLEVEL      = NULL;

  SET md5_pw          = MD5( p_password );

  SELECT COUNT(*)
  INTO   count_user
  FROM   people
  WHERE  personGUID = p_personGUID;

  IF ( TRIM( p_personGUID ) = '' ) THEN
    SET @US3_LAST_ERRNO = @EMPTY;
    SET @US3_LAST_ERROR = CONCAT( 'MySQL: The personGUID parameter to the ',
                                  'check_user function cannot be empty' );

  ELSEIF ( count_user = 0 ) THEN
    SET @US3_LAST_ERRNO = @NO_ACCT;
    SET @US3_LAST_ERROR = CONCAT( 'MySQL: The account identified by personGUID ',
                                  p_personGUID,
                                  ' is not set up correctly. ',
                                  'Please contact the administrator: ',
                                  @ADMIN_EMAIL );

  ELSE
    /* At this point we should have exactly 1 record */
    SELECT personID, password, fname, lname, phone, email, userlevel, activated
    INTO   @US3_ID, l_password, @FNAME, @LNAME, @PHONE, @EMAIL, @USERLEVEL, activated
    FROM   people
    WHERE  personGUID = p_personGUID;

    SET @personGUID   = p_personGUID;

    IF ( l_password != md5_pw ) THEN
      SET @US3_LAST_ERRNO = @BADPASS;
      SET @US3_LAST_ERROR = 'MySQL: Invalid password';

      SET @US3_ID     = NULL;
      SET @FNAME      = NULL;
      SET @LNAME      = NULL;
      SET @PHONE      = NULL;
      SET @EMAIL      = NULL;
      SET @personGUID = NULL;
      SET @USERLEVEL  = NULL;

    ELSEIF ( activated = false ) THEN
      SET @US3_LAST_ERRNO = @INACTIVE;
      SET @US3_LAST_ERROR = CONCAT( 'MySQL: This account has not been activated yet. ',
                                    'Please activate your account first. ',
                                    'The activation code was sent to your e-mail address: ',
                                     p_email);
      SET @US3_ID     = NULL;
      SET @FNAME      = NULL;
      SET @LNAME      = NULL;
      SET @PHONE      = NULL;
      SET @EMAIL      = NULL;
      SET @personGUID = NULL;
      SET @USERLEVEL  = NULL;

    ELSE
      -- Successful login
      UPDATE people
      SET    lastLogin = NOW()
      WHERE  personID = @US3_ID;

      SET @US3_LAST_ERROR = '';
      SET @US3_LAST_ERRNO = @OK;

    END IF;

  END IF;

  RETURN( @US3_LAST_ERRNO );

END$$

-- Checks the user with the passed email and password
DROP FUNCTION IF EXISTS check_user_email$$
CREATE FUNCTION check_user_email( p_email    VARCHAR(63),
                                  p_password VARCHAR(80) )
  RETURNS INT
  READS SQL DATA

BEGIN
  DECLARE count_user INT;
  DECLARE md5_pw     VARCHAR(80);
  DECLARE l_password VARCHAR(80);
  DECLARE activated  INT;

  call config();
  SET @US3_LAST_ERRNO = @OK;
  SET @US3_LAST_ERROR = '';
  SET @LAST_INSERT_ID = 0;
  SET @US3_ID         = NULL;
  SET @FNAME          = NULL;
  SET @LNAME          = NULL;
  SET @PHONE          = NULL;
  SET @EMAIL          = NULL;
  SET @personGUID     = NULL;
  SET @USERLEVEL      = NULL;

  SET md5_pw          = MD5( p_password );

  SELECT COUNT(*)
  INTO   count_user
  FROM   people
  WHERE  email = p_email;

  IF ( TRIM( p_email ) = '' ) THEN
    SET @US3_LAST_ERRNO = @EMPTY;
    SET @US3_LAST_ERROR = CONCAT( 'MySQL: The email parameter to the check_user_email ',
                                  'function cannot be empty' );

  ELSEIF ( count_user > 1 ) THEN
    SET @US3_LAST_ERRNO = @DUP_EMAIL;
    SET @US3_LAST_ERROR = CONCAT( 'MySQL: There was a problem with duplicate email addresses. ',
                                  'Please contact the administrator: ',
                                  @ADMIN_EMAIL );

  ELSEIF ( count_user < 1 ) THEN
    SET @US3_LAST_ERRNO = @NO_ACCT;
    SET @US3_LAST_ERROR = CONCAT( 'MySQL: The account for ',
                                  p_email,
                                  ' is not set up correctly. ',
                                  'Please contact the administrator: ',
                                  @ADMIN_EMAIL );

  ELSE
    -- At this point we should have exactly 1 record
    SELECT personID, password, fname, lname, phone, personGUID, userlevel, activated
    INTO   @US3_ID, l_password, @FNAME, @LNAME, @PHONE, @personGUID, @USERLEVEL, activated
    FROM   people
    WHERE  email = p_email;

    SET @EMAIL        = p_email;

    IF ( l_password != md5_pw ) THEN
      SET @US3_LAST_ERRNO = @BADPASS;
      SET @US3_LAST_ERROR = 'MySQL: Invalid password';

      SET @US3_ID     = NULL;
      SET @FNAME      = NULL;
      SET @LNAME      = NULL;
      SET @PHONE      = NULL;
      SET @EMAIL      = NULL;
      SET @personGUID = NULL;
      SET @USERLEVEL  = NULL;

    ELSEIF ( activated = false ) THEN
      SET @US3_LAST_ERRNO = @INACTIVE;
      SET @US3_LAST_ERROR = CONCAT( 'MySQL: This account has not been activated yet. ',
                                    'Please activate your account first. ',
                                    'The activation code was sent to your e-mail address: ',
                                     p_email);
      SET @US3_ID     = NULL;
      SET @FNAME      = NULL;
      SET @LNAME      = NULL;
      SET @PHONE      = NULL;
      SET @EMAIL      = NULL;
      SET @personGUID = NULL;
      SET @USERLEVEL  = NULL;

    ELSE
      -- Successful login
      UPDATE people
      SET    lastLogin = NOW()
      WHERE  personID  = @US3_ID;

      SET @US3_LAST_ERRNO = @OK;
      SET @US3_LAST_ERROR = '';

    END IF;

  END IF;

  RETURN( @US3_LSAST_ERRNO );

END$$

-- Verifies that user identified by guid is the same as the
--  logged in user
DROP FUNCTION IF EXISTS verify_user$$
CREATE FUNCTION verify_user( p_personGUID CHAR(36),
                             p_password   VARCHAR(80) )
  RETURNS INT
  READS SQL DATA

BEGIN
  DECLARE status       INT;

  CALL config();
  SET status = @OK;

  IF ( @US3_ID IS NULL ) THEN
    SET status = check_user( p_personGUID, p_password );

  END IF;

  RETURN( status );

END$$

-- Same as verify_user(), but also verifies userlevel
DROP FUNCTION IF EXISTS verify_userlevel$$
CREATE FUNCTION verify_userlevel( p_personGUID CHAR(36),
                                  p_password   VARCHAR(80),
                                  p_userlevel  INT )
  RETURNS INT
  READS SQL DATA

BEGIN
  DECLARE status       INT;

  CALL config();
  SET status = verify_user( p_personGUID, p_password );

  IF ( status = @OK && @USERLEVEL < p_userlevel ) THEN
    SET @US3_LAST_ERRNO = @NOTPERMITTED;
    SET @US3_LAST_ERROR = 'MySQL: Not permitted at that userlevel';

    SET status = @NOTPERMITTED;

  END IF;

  RETURN( status );

END$$

-- Verifies that user identified by email is the same as the
--  logged in user
DROP FUNCTION IF EXISTS verify_user_email$$
CREATE FUNCTION verify_user_email( p_email    VARCHAR(63),
                                   p_password VARCHAR(80) )
  RETURNS INT
  READS SQL DATA

BEGIN
  DECLARE count_user   INT;
  DECLARE status       INT;

  CALL config();

  SET status = @OK;
  IF ( @US3_ID IS NULL ) THEN
    SET status = check_user_email( p_email, p_password );

  END IF;

  RETURN( status );

END$$

-- Validates the user either by personGUID or email and password
-- Returns status, personGUID and email
DROP PROCEDURE IF EXISTS validate_user$$
CREATE PROCEDURE validate_user( p_personGUID CHAR(36),
                                p_email      VARCHAR(63),
                                p_password   VARCHAR(80) )
  READS SQL DATA

BEGIN
  DECLARE status       INT;

  call config();

  -- Let's see if we can validate with the guid
  SET status = check_user( p_personGUID, p_password );
  IF ( @US3_ID IS NOT NULL ) THEN
    -- We've validated with the guid
    SELECT @OK AS status;
    SELECT @personGUID AS personGUID, @EMAIL AS email;

  ELSEIF ( TRIM( p_email ) = '' ) THEN
    -- Then we were trying to validate with the guid, but failed
    SELECT @US3_LAST_ERRNO AS status;
    SELECT p_personGUID AS personGUID, p_email AS email;

  ELSE
    -- Email is not empty; can we validate using it?
    SET status = check_user_email( p_email, p_password );
    IF ( @US3_ID IS NOT NULL ) THEN
      -- We've validated with the email
      SELECT @OK AS status;
      SELECT @personGUID AS personGUID, @EMAIL AS email;

    ELSE
      -- No, can't validate either way
      SELECT @US3_LAST_ERRNO AS status;
      SELECT p_personGUID AS personGUID, p_email AS email;

    END IF;

  END IF;

END$$

DROP FUNCTION IF EXISTS check_GUID$$
CREATE FUNCTION check_GUID( p_personGUID CHAR(36),
                            p_password   VARCHAR(80),
                            p_tableGUID  CHAR(36) )
  RETURNS INT
  READS SQL DATA

BEGIN

  DECLARE pattern       CHAR(100);
  DECLARE GUID_formatOK INT;
  CALL config();

  SET @US3_LAST_ERRNO   = @OK;
  SET @US3_LAST_ERROR   = '';
  SET pattern = '^(([0-9a-fA-F]){8}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){12})$';

  IF ( verify_user( p_personGUID, p_password ) = @OK ) THEN
    -- Does the GUID fit the pattern?
    SET p_tableGUID = TRIM( p_tableGUID );
    SELECT p_tableGUID REGEXP pattern
    INTO GUID_formatOK;

    -- Now calculate return status
    IF ( p_tableGUID = '' ) THEN
      SET @US3_LAST_ERRNO = @EMPTY;
      SET @US3_LAST_ERROR = CONCAT( 'MySQL: The GUID parameter to the check_GUID ',
                                    'function cannot be empty' );

    ELSEIF ( NOT GUID_formatOK ) THEN
      SET @US3_LAST_ERRNO = @BADGUID;
      SET @US3_LAST_ERROR = 'MySQL: The specified GUID is not the correct format';

    ELSE
      SET @US3_LAST_ERRNO = @OK;
      SET @US3_LAST_ERROR = '';

    END IF;

  END IF;

  RETURN( @US3_LAST_ERRNO );

END$$

SOURCE us3_people_procs.sql
SOURCE us3_buffer_procs.sql
SOURCE us3_analyte_procs.sql
SOURCE us3_exp_procs.sql
SOURCE us3_expdata_procs.sql
SOURCE us3_proj_procs.sql
SOURCE us3_hardware_procs.sql
SOURCE us3_solution_procs.sql
SOURCE us3_spectrum_procs.sql
SOURCE us3_model_procs.sql
SOURCE us3_mrecs_procs.sql
SOURCE us3_noise_procs.sql
SOURCE us3_report_procs.sql
SOURCE us3_timestate_procs.sql
SOURCE us3_eprofile_procs.sql
SOURCE us3_protocol_procs.sql
SOURCE us3_aprofile_procs.sql
SOURCE us3_autoflow_procs.sql
SOURCE us3_refscan_procs.sql

DELIMITER ;