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swaggerGen.pkb
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swaggerGen.pkb
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create or replace PACKAGE BODY swaggerGen
AS
--Global private variables
g_unque_key dbo_name_t;
FUNCTION create_swagger ( p_table_name IN VARCHAR2
, p_unique_key IN VARCHAR2 DEFAULT NULL
, p_template IN VARCHAR2 DEFAULT 'swagger')
RETURN CLOB
AS
l_count PLS_INTEGER := 0;
l_table_name dbo_name_t := UPPER (p_table_name);
l_vars teplsql.t_assoc_array;
l_swagger_code CLOB;
BEGIN
/*Validations*/
--check_table_exists
SELECT COUNT ( * )
INTO l_count
FROM user_tables
WHERE UPPER (table_name) = UPPER (l_table_name);
IF l_count = 0
THEN
raise_application_error (-20000, 'Table ' || l_table_name || ' does not exist!');
END IF;
--Check table hash PK or p_unique_key is not null
IF p_unique_key IS NULL
THEN
SELECT COUNT ( * )
INTO l_count
FROM user_constraints
WHERE UPPER (table_name) = UPPER (l_table_name) AND constraint_type = 'P';
IF l_count = 0
THEN
raise_application_error (-20000
, 'Table '
|| l_table_name
|| ' does not have a Primary Key'
|| ' and P_UNIQUE_KEY parameter is null');
END IF;
END IF;
--Init variables for render template
l_vars ('date') := TO_CHAR (SYSDATE, 'DD-MON-YYYY HH24:MI');
l_vars ('table_name') := l_table_name;
l_vars ('lower_table_name') := to_camel_case(l_table_name);
l_vars ('className') := upper_first(to_camel_case(l_table_name));
l_vars ('unque_key') := REPLACE(upper(p_unique_key), ' ', '');
--Define unique key if table don't has primary key
g_unque_key := upper(p_unique_key);
--Process template
l_swagger_code := teplsql.process (l_vars, p_template, 'SWAGGERGEN');
return l_swagger_code;
END create_swagger;
FUNCTION get_all_columns (p_tab_name VARCHAR2)
RETURN column_tt
IS
l_tt column_tt;
BEGIN
SELECT c.table_name
, to_camel_case (c.column_name)
, upper(c.column_name)
, c.nullable
, '' constraint_type
, to_swagger_type(c.data_type)
, to_swagger_format(c.data_type)
BULK COLLECT
INTO l_tt
FROM user_tab_columns c
WHERE c.table_name = UPPER (p_tab_name)
ORDER BY c.column_id;
RETURN l_tt;
END;
FUNCTION get_pk_columns (p_tab_name VARCHAR2, p_unque_key VARCHAR2 DEFAULT NULL)
RETURN column_tt
IS
l_tt column_tt;
BEGIN
IF p_unque_key IS NOT NULL
THEN
WITH uks AS (SELECT regexp_substr(p_unque_key, '[^,]+', 1, level) uk
FROM dual CONNECT BY regexp_substr(p_unque_key, '[^,]+', 1, level) IS NOT NULL
)
SELECT c.table_name
, to_camel_case (c.column_name)
, upper(c.column_name)
, 'N'
, 'P' constraint_type
, to_swagger_type(c.data_type)
, to_swagger_format(c.data_type)
BULK COLLECT
INTO l_tt
FROM user_tab_columns c
WHERE c.table_name = UPPER (p_tab_name)
AND c.column_name in (select uk from uks)
ORDER BY c.column_id;
ELSE
SELECT c.table_name
, to_camel_case (c.column_name)
, upper(c.column_name)
, c.nullable
, cs.constraint_type
, to_swagger_type(c.data_type)
, to_swagger_format(c.data_type)
BULK COLLECT
INTO l_tt
FROM user_tab_columns c
LEFT JOIN
user_cons_columns cc
ON c.table_name = cc.table_name AND c.column_name = cc.column_name
LEFT JOIN
user_constraints cs
ON cc.constraint_name = cs.constraint_name
WHERE c.table_name = UPPER (p_tab_name) AND cs.constraint_type = 'P'
ORDER BY c.column_id;
END IF;
RETURN l_tt;
END;
FUNCTION get_non_pk_columns (p_tab_name VARCHAR2, p_unque_key VARCHAR2 DEFAULT NULL)
RETURN column_tt
IS
l_tt column_tt;
BEGIN
IF p_unque_key IS NOT NULL
THEN
WITH uks AS (SELECT regexp_substr(p_unque_key, '[^,]+', 1, level) uk
FROM dual CONNECT BY regexp_substr(p_unque_key, '[^,]+', 1, level) IS NOT NULL
)
SELECT c.table_name
, to_camel_case (c.column_name)
, upper(c.column_name)
, 'N'
, 'P' constraint_type
, to_swagger_type(c.data_type)
, to_swagger_format(c.data_type)
BULK COLLECT
INTO l_tt
FROM user_tab_columns c
WHERE c.table_name = UPPER (p_tab_name)
AND c.column_name not in (select uk from uks)
ORDER BY c.column_id;
ELSE
WITH pks
AS (SELECT c.column_name
FROM user_tab_columns c
left join user_cons_columns cc
ON c.table_name = cc.table_name
AND c.column_name = cc.column_name
left join user_constraints cs
ON cc.constraint_name = cs.constraint_name
WHERE c.table_name = UPPER (p_tab_name)
AND cs.constraint_type = 'P'
ORDER BY c.column_id)
SELECT c.table_name
, to_camel_case ( c.column_name )
, upper(c.column_name)
, c.nullable
, cs.constraint_type
, to_swagger_type(c.data_type)
, to_swagger_format(c.data_type)
BULK COLLECT
INTO l_tt
FROM user_tab_columns c
left join user_cons_columns cc
ON c.table_name = cc.table_name
AND c.column_name = cc.column_name
left join user_constraints cs
ON cc.constraint_name = cs.constraint_name
WHERE c.table_name = UPPER (p_tab_name)
AND c.column_name NOT IN (SELECT pks.column_name
FROM pks)
ORDER BY c.column_id;
END IF;
RETURN l_tt;
END;
FUNCTION to_camel_case (p_stirng VARCHAR2)
RETURN VARCHAR2
AS
l_string VARCHAR2(2000);
BEGIN
SELECT lower(substr(res, 1, 1) ) || substr(res, 2) res
INTO l_string
FROM ( SELECT replace(initcap(p_stirng), '_') res
FROM dual
);
return l_string;
END;
FUNCTION to_swagger_type (p_data_type VARCHAR2)
RETURN VARCHAR2
AS
l_swagger_type VARCHAR2(2000);
BEGIN
SELECT
CASE
WHEN data_type = 'VARCHAR2' THEN 'string'
WHEN data_type = 'CHAR' THEN 'string'
WHEN data_type = 'CHARACTER' THEN 'string'
WHEN data_type = 'LONG' THEN 'string'
WHEN data_type = 'STRING' THEN 'string'
WHEN data_type = 'VARCHAR' THEN 'string'
WHEN data_type = 'RAW' THEN 'string'
WHEN data_type = 'LONG RAW' THEN 'string'
WHEN data_type = 'BINARY_INTEGER' THEN 'integer'
WHEN data_type = 'NATURAL' THEN 'integer'
WHEN data_type = 'NATURALN' THEN 'integer'
WHEN data_type = 'PLS_INTEGER' THEN 'integer'
WHEN data_type = 'POSITIVE' THEN 'integer'
WHEN data_type = 'POSITIVEN' THEN 'integer'
WHEN data_type = 'SIGNTYPE' THEN 'integer'
WHEN data_type = 'INT' THEN 'integer'
WHEN data_type = 'INTEGER' THEN 'integer'
WHEN data_type = 'SMALLINT' THEN 'integer'
WHEN data_type = 'DEC' THEN 'number'
WHEN data_type = 'DECIMAL' THEN 'number'
WHEN data_type = 'NUMBER' THEN 'number'
WHEN data_type = 'NUMERIC' THEN 'number'
WHEN data_type = 'DOUBLE PRECISION' THEN 'number'
WHEN data_type = 'FLOAT' THEN 'number'
WHEN data_type = 'REAL' THEN 'number'
WHEN data_type = 'DATE' THEN 'string'
WHEN data_type LIKE 'TIMESTAMP%' THEN 'string'
WHEN data_type LIKE 'INTERVAL%' THEN 'string'
WHEN data_type = 'ROWID' THEN 'string'
WHEN data_type = 'UROWID' THEN 'string'
WHEN data_type = 'CLOB' THEN 'string'
WHEN data_type = 'BLOB' THEN 'string'
WHEN data_type = 'XMLTYPE' THEN 'string'
ELSE 'Datatype not suported'
END
INTO
l_swagger_type
FROM ( SELECT p_data_type data_type FROM dual);
RETURN l_swagger_type;
END;
FUNCTION to_swagger_format (p_data_type VARCHAR2)
RETURN VARCHAR2
AS
l_swagger_format VARCHAR2(2000);
BEGIN
SELECT
CASE
WHEN data_type = 'VARCHAR2' THEN ''
WHEN data_type = 'CHAR' THEN ''
WHEN data_type = 'CHARACTER' THEN ''
WHEN data_type = 'LONG' THEN ''
WHEN data_type = 'STRING' THEN ''
WHEN data_type = 'VARCHAR' THEN ''
WHEN data_type = 'RAW' THEN 'byte'
WHEN data_type = 'LONG RAW' THEN 'byte'
WHEN data_type = 'BINARY_INTEGER' THEN 'int32'
WHEN data_type = 'NATURAL' THEN 'int32'
WHEN data_type = 'NATURALN' THEN 'int32'
WHEN data_type = 'PLS_INTEGER' THEN 'int32'
WHEN data_type = 'POSITIVE' THEN 'int32'
WHEN data_type = 'POSITIVEN' THEN 'int32'
WHEN data_type = 'SIGNTYPE' THEN 'int32'
WHEN data_type = 'INT' THEN 'int32'
WHEN data_type = 'INTEGER' THEN 'int32'
WHEN data_type = 'SMALLINT' THEN 'int32'
WHEN data_type = 'DEC' THEN ''
WHEN data_type = 'DECIMAL' THEN ''
WHEN data_type = 'NUMBER' THEN ''
WHEN data_type = 'NUMERIC' THEN ''
WHEN data_type = 'DOUBLE PRECISION' THEN 'double'
WHEN data_type = 'FLOAT' THEN 'float'
WHEN data_type = 'REAL' THEN ''
WHEN data_type = 'DATE' THEN 'date-time'
WHEN data_type LIKE 'TIMESTAMP%' THEN 'date-time'
WHEN data_type LIKE 'INTERVAL%' THEN 'string'
WHEN data_type = 'ROWID' THEN ''
WHEN data_type = 'UROWID' THEN ''
WHEN data_type = 'CLOB' THEN ''
WHEN data_type = 'BLOB' THEN 'byte'
WHEN data_type = 'XMLTYPE' THEN ''
ELSE 'Datatype not suported'
END
INTO
l_swagger_format
FROM ( SELECT p_data_type data_type FROM dual);
RETURN l_swagger_format;
END;
FUNCTION upper_first (p_string VARCHAR2)
RETURN VARCHAR2
AS
l_string varchar2(2000);
BEGIN
SELECT upper(substr(txt, 1, 1) ) || substr(txt, 2)
INTO l_string
FROM ( SELECT ( p_string ) txt FROM dual);
RETURN l_string;
END;
END swaggerGen;