feat: Add convertDateFormat function to utils module

src/nbiatoolkit/utils/parsers.py

@@ -36,4 +36,33 @@ def convertMillis(millis: int) -> str:
         AssertionError: If the input is not an integer.
     """
     assert isinstance(millis, int), "The input must be an integer"
-    return datetime.fromtimestamp(millis / 1000.0).strftime('%Y-%m-%d')
+    return datetime.fromtimestamp(millis / 1000.0).strftime('%Y-%m-%d')
+
+
+def convertDateFormat(input_date: str, format: str = "%Y/%m/%d") -> str:
+    """
+    Converts the input date to the desired format.
+
+    Args:
+        input_date (str): The date to be converted.
+
+    Returns:
+        str: The converted date in the format "YYYY/MM/DD".
+
+    Raises:
+        ValueError: If the input date has an invalid format.
+    """
+    # List of possible date formats with only days, months, and years
+    possible_formats = [
+        "%Y-%m-%d", "%Y/%m/%d", "%Y%m%d", "%m/%d/%Y", "%d/%m/%Y", "%d-%m-%Y"
+    ]
+    # Try parsing the input date with each possible format
+    for date_format in possible_formats:
+        try:
+            parsed_date = datetime.strptime(input_date, date_format)
+            # If parsing is successful, format the date in YYYY/MM/DD and return
+            return parsed_date.strftime(format)
+        except ValueError:
+            pass  # If parsing fails, continue with the next format
+    # If none of the formats match, raise an exception or return a default value
+    raise ValueError("Invalid date format: {}".format(input_date))

tests/test_parsers.py

@@ -1,6 +1,8 @@
-from src.nbiatoolkit.utils.parsers import clean_html, convertMillis
+from src.nbiatoolkit.utils.parsers import clean_html, convertMillis, convertDateFormat
 from datetime import datetime
 import pytest
+
+
 def test_clean_html_valid_input():
     # Test case for valid input with HTML tags and special characters
     html_string = "<p>This is <b>bold</b> text with special characters: &amp; &lt; &gt;</p>"
@@ -41,4 +43,24 @@ def test_convertMillis_invalid_input():
         convertMillis(millis)  # type: ignore
         assert False, "Expected AssertionError"
     except AssertionError as e:
-        assert str(e) == "The input must be an integer"
+        assert str(e) == "The input must be an integer"
+
+
+def test_convertDateFormat_valid_input():
+    # Test case for valid input date in different formats
+    input_date = "2021-09-01"
+    expected_output = "2021/09/01"
+    assert convertDateFormat(input_date) == expected_output
+
+def test_convertDateFormat_invalid_input():
+    # Test case for invalid input date format
+    input_date = "shoulD_fail"  # Invalid format: day-month-year
+    with pytest.raises(ValueError) as e:
+        convertDateFormat(input_date)
+    assert str(e.value) == "Invalid date format: {}".format(input_date)
+
+def test_convertDateFormat_default_value():
+    # Test case for input date with no matching format
+    input_date = "2021/09/01"
+    default_value = "N/A"
+    assert convertDateFormat(input_date, default_value) == default_value