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Commit c243709e authored by Uma Badkar's avatar Uma Badkar
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twasta/Objects/PMS_project_master_model/sql_function.txt 0 → 100644
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CREATE OR REPLACE FUNCTION set_project_dates(
p_project_id IN VARCHAR2, -- (1.PROJECT_ID)
p_assignment_id IN VARCHAR2 -- (1.ASSIGNMENT_ID)
) RETURN VARCHAR2 IS
/*
* Object Name: PMS_TEAM_ASSIGNMENT
* Event Type: Field Item Change
* Form Number: 1
* Field Name: PROJECT_ID
* Business Logic: Set project start and end dates as default assignment period
* Function Name: set_project_dates
*
* Purpose: This function retrieves project dates from PMS_PROJECT_MASTER
* and returns them as default values for team assignment start and end dates
*/
-- Local variables
v_start_date DATE;
v_end_date DATE;
v_return_json VARCHAR2(4000);
BEGIN
-- Initialize variables
v_start_date := NULL;
v_end_date := NULL;
-- Get project dates from master table
BEGIN
SELECT
start_date,
NVL(actual_end_date, target_end_date) AS end_date
INTO
v_start_date,
v_end_date
FROM
pms_project_master
WHERE
project_id = p_project_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
-- Handle case when project is not found
v_start_date := NULL;
v_end_date := NULL;
END;
-- Construct JSON response
v_return_json := '{
"data": {
"START_DATE": "' || TO_CHAR(v_start_date, 'YYYY-MM-DD') || '",
"END_DATE": "' || TO_CHAR(v_end_date, 'YYYY-MM-DD') || '"
}
}';
-- Return JSON string
RETURN v_return_json;
EXCEPTION
WHEN OTHERS THEN
-- Handle unexpected errors with empty data structure
v_return_json := '{
"data": {
"START_DATE": null,
"END_DATE": null
}
}';
RETURN v_return_json;
END set_project_dates;
CREATE OR REPLACE FUNCTION check_allocation(
p_assignment_id IN VARCHAR2, --(1.ASSIGNMENT_ID)
p_emp_code IN VARCHAR2, --(1.EMP_CODE)
p_start_date IN DATE, --(1.START_DATE)
p_end_date IN DATE, --(1.END_DATE)
p_alloc_pct IN NUMBER --(1.ALLOCATION_PCT)
) RETURN NUMBER IS
/*
* Object Name: PMS_TEAM_ASSIGNMENT
* Event Type: Field Validation
* Form Number: 1
* Field Name: EMP_CODE
* Business Logic: Validate total allocation does not exceed 100%
* Function Name: check_allocation
*
* Purpose: This function validates if the total allocation percentage for an employee
* does not exceed 100% for any given date range considering existing assignments
* and the new allocation being added/modified.
*/
v_total_allocation NUMBER;
v_is_valid NUMBER := 1; -- Default to valid
BEGIN
-- Calculate total allocation for the employee during the date range
-- excluding current assignment (if exists) to handle updates
SELECT NVL(SUM(allocation_pct), 0)
INTO v_total_allocation
FROM pms_team_assignment
WHERE emp_code = p_emp_code
AND assignment_id != NVL(p_assignment_id, 'DUMMY')
AND ((start_date BETWEEN p_start_date AND p_end_date)
OR (end_date BETWEEN p_start_date AND p_end_date)
OR (start_date <= p_start_date AND end_date >= p_end_date));
-- Add the new allocation percentage
v_total_allocation := v_total_allocation + NVL(p_alloc_pct, 0);
-- Check if total allocation exceeds 100%
IF v_total_allocation > 100 THEN
v_is_valid := 0;
END IF;
RETURN v_is_valid;
EXCEPTION
WHEN OTHERS THEN
-- Log error and return invalid
-- You might want to add proper error logging here
RETURN 0;
END check_allocation;
CREATE OR REPLACE FUNCTION validate_project_dates(
p_project_id IN PMS_TEAM_ASSIGNMENT.PROJECT_ID%TYPE, -- (1.PROJECT_ID)
p_start_date IN PMS_TEAM_ASSIGNMENT.START_DATE%TYPE, -- (1.START_DATE)
p_end_date IN PMS_TEAM_ASSIGNMENT.END_DATE%TYPE -- (1.END_DATE)
) RETURN NUMBER IS
/*
* Object Name: PMS_TEAM_ASSIGNMENT
* Event Type: Field Validation
* Form Number: 1
* Field Name: END_DATE
* Business Logic: Validates that:
* 1. Team assignment dates fall within project timeline
* 2. End date is not before start date
* 3. Dates are not null
* Function Name: validate_project_dates
*/
v_proj_start_date DATE;
v_proj_end_date DATE;
v_status CHAR(1);
BEGIN
-- Input validation
IF p_start_date IS NULL OR p_end_date IS NULL THEN
RETURN 0; -- Invalid if dates are null
END IF;
-- Validate start date is not after end date
IF p_start_date > p_end_date THEN
RETURN 0; -- Invalid if start date is after end date
END IF;
-- Get project timeline details
SELECT start_date,
NVL(actual_end_date, target_end_date),
status
INTO v_proj_start_date,
v_proj_end_date,
v_status
FROM pms_project_master
WHERE project_id = p_project_id;
-- Validate project exists and is active
IF v_status != 'A' THEN
RETURN 0; -- Invalid if project is not active
END IF;
-- Validate assignment dates fall within project timeline
IF p_start_date < v_proj_start_date OR
p_end_date > v_proj_end_date THEN
RETURN 0; -- Invalid if dates are outside project timeline
END IF;
RETURN 1; -- All validations passed
EXCEPTION
WHEN NO_DATA_FOUND THEN
RETURN 0; -- Invalid if project doesn't exist
WHEN OTHERS THEN
-- Log error and return invalid
-- You might want to add proper error logging here
RETURN 0;
END validate_project_dates;
CREATE OR REPLACE FUNCTION validate_project_dates(
p_project_id IN PMS_TEAM_ASSIGNMENT.PROJECT_ID%TYPE, -- (1.PROJECT_ID)
p_start_date IN PMS_TEAM_ASSIGNMENT.START_DATE%TYPE, -- (1.START_DATE)
p_end_date IN PMS_TEAM_ASSIGNMENT.END_DATE%TYPE -- (1.END_DATE)
) RETURN NUMBER IS
/*
* Object Name: PMS_TEAM_ASSIGNMENT
* Event Type: Field Validation
* Form Number: 1
* Field Name: START_DATE
* Business Logic: Validates that team assignment dates fall within project timeline
* Function Name: validate_project_dates
*/
v_proj_start_date DATE;
v_proj_end_date DATE;
v_status CHAR(1);
v_result NUMBER := 0;
BEGIN
-- Get project timeline details
SELECT START_DATE,
NVL(ACTUAL_END_DATE, TARGET_END_DATE),
STATUS
INTO v_proj_start_date,
v_proj_end_date,
v_status
FROM PMS_PROJECT_MASTER
WHERE PROJECT_ID = p_project_id;
-- Validation #1: Check if project exists and is active
IF v_status != 'A' THEN
RETURN 0; -- Invalid if project is not active
END IF;
-- Validation #2: Check if start date is within project timeline
IF p_start_date < v_proj_start_date OR
p_start_date > v_proj_end_date THEN
RETURN 0; -- Invalid if start date outside project timeline
END IF;
-- Validation #3: Check if end date is within project timeline
IF p_end_date < v_proj_start_date OR
p_end_date > v_proj_end_date THEN
RETURN 0; -- Invalid if end date outside project timeline
END IF;
-- Validation #4: Check if start date is before end date
IF p_start_date > p_end_date THEN
RETURN 0; -- Invalid if start date is after end date
END IF;
-- All validations passed
RETURN 1;
EXCEPTION
WHEN NO_DATA_FOUND THEN
-- Project not found
RETURN 0;
WHEN OTHERS THEN
-- Handle unexpected errors
RETURN 0;
END validate_project_dates;
CREATE OR REPLACE FUNCTION project_info(
p_project_id IN VARCHAR2, -- (1.PROJECT_ID)
p_assignment_id IN VARCHAR2 -- (1.ASSIGNMENT_ID)
) RETURN VARCHAR2 IS
/*
* Object Name: PMS_TEAM_ASSIGNMENT
* Event Type: Field Item Change
* Form Number: 1
* Field Name: PROJECT_ID
* Business Logic: Set project start and end dates as default assignment period
* Function Name: project_info
*
* Purpose: This function retrieves project dates from PMS_PROJECT_MASTER
* and returns them as default values for team assignment start and end dates
*/
-- Local variables
v_start_date DATE;
v_end_date DATE;
v_return_json VARCHAR2(4000);
BEGIN
-- Initialize variables
v_start_date := NULL;
v_end_date := NULL;
-- Get project dates from master table
BEGIN
SELECT
start_date,
NVL(actual_end_date, target_end_date) AS end_date
INTO
v_start_date,
v_end_date
FROM
pms_project_master
WHERE
project_id = p_project_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
-- Handle case when project is not found
v_start_date := NULL;
v_end_date := NULL;
END;
-- Construct JSON response
v_return_json := '{
"data": {
"START_DATE": "' || TO_CHAR(v_start_date, 'YYYY-MM-DD') || '",
"END_DATE": "' || TO_CHAR(v_end_date, 'YYYY-MM-DD') || '"
}
}';
-- Return JSON string
RETURN v_return_json;
EXCEPTION
WHEN OTHERS THEN
-- Handle unexpected errors with empty data structure
v_return_json := '{
"data": {
"START_DATE": null,
"END_DATE": null
}
}';
RETURN v_return_json;
END project_info;
CREATE OR REPLACE FUNCTION project_details(
p_project_id IN VARCHAR2, -- (1.PROJECT_ID)
p_assignment_id IN VARCHAR2 -- (1.ASSIGNMENT_ID)
) RETURN VARCHAR2 IS
/*
* Object Name: PMS_TEAM_ASSIGNMENT
* Event Type: Field Item Change
* Form Number: 1
* Field Name: PROJECT_ID
* Business Logic: Set project start and end dates as default assignment period
* Function Name: project_details
*
* Purpose: This function retrieves project dates from PMS_PROJECT_MASTER
* and returns them as default values for team assignment start and end dates
*/
-- Local variables
v_start_date DATE;
v_end_date DATE;
v_return_json VARCHAR2(4000);
BEGIN
-- Initialize variables
v_start_date := NULL;
v_end_date := NULL;
-- Get project dates from master table
BEGIN
SELECT
start_date,
NVL(actual_end_date, target_end_date) AS end_date
INTO
v_start_date,
v_end_date
FROM
pms_project_master
WHERE
project_id = p_project_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
-- Handle case when project is not found
v_start_date := NULL;
v_end_date := NULL;
END;
-- Construct JSON response
v_return_json := '{
"data": {
"START_DATE": "' || TO_CHAR(v_start_date, 'YYYY-MM-DD') || '",
"END_DATE": "' || TO_CHAR(v_end_date, 'YYYY-MM-DD') || '"
}
}';
-- Return JSON string
RETURN v_return_json;
EXCEPTION
WHEN OTHERS THEN
-- Handle unexpected errors with empty data structure
v_return_json := '{
"data": {
"START_DATE": null,
"END_DATE": null
}
}';
RETURN v_return_json;
END project_details;
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