Allow for inserting a paragraph with text/style (#7)

src/cmi_docx/document.py

@@ -61,20 +61,44 @@ def replace(self, needle: str, replace: str) -> None:
         for run_find in run_finder:
             run_find.replace(replace)
 
-    def insert_paragraph(
+    def insert_paragraph_by_text(
         self,
-        paragraph: docx_paragraph.Paragraph,
         index: int,
-    ) -> None:
-        """Inserts a paragraph at a given index.
+        text: str,
+        style: str | None = None,
+    ) -> docx_paragraph.Paragraph:
+        """Inserts a paragraph into a document.
 
         Args:
-            paragraph: The paragraph to insert.
             index: The index to insert the paragraph at.
+            text: The text to insert.
+            style: The style to apply to the text.
+
+        Returns:
+            The new paragraph.
+        """
+        new_paragraph = self._insert_empty_paragraph(index)
+        new_paragraph.add_run(text, style=style)
+        return new_paragraph
+
+    def insert_paragraph_by_object(
+        self,
+        index: int,
+        paragraph: docx_paragraph.Paragraph,
+    ) -> docx_paragraph.Paragraph:
+        """Inserts a paragraph into a document.
+
+        Args:
+            index: The index to insert the paragraph at.
+            paragraph: The paragraph to insert.
+
+        Returns:
+            The new paragraph.
         """
         new_paragraph = self._insert_empty_paragraph(index)
         for paragraph_run in paragraph.runs:
             new_paragraph.add_run(paragraph_run.text, paragraph_run.style)
+        return new_paragraph
 
     def insert_image(
         self,

tests/test_document.py

@@ -46,15 +46,29 @@ def test_replace() -> None:
     assert doc.paragraphs[0].text == "Goodbye, world!"
 
 
-def test_insert_paragraph() -> None:
+def test_insert_paragraph_by_object() -> None:
     """Test inserting a paragraph into a document."""
     doc = docx.Document()
     doc.add_paragraph("Hello, world!")
     doc.add_paragraph("Goodbye, world!")
     extend_document = document.ExtendDocument(doc)
     new_paragraph = docx.Document().add_paragraph("Maintain, world!")
 
-    extend_document.insert_paragraph(new_paragraph, 1)
+    extend_document.insert_paragraph_by_object(1, new_paragraph)
+
+    assert doc.paragraphs[0].text == "Hello, world!"
+    assert doc.paragraphs[1].text == "Maintain, world!"
+    assert doc.paragraphs[2].text == "Goodbye, world!"
+
+
+def test_insert_paragraph_by_text() -> None:
+    """Test inserting a paragraph into a document."""
+    doc = docx.Document()
+    doc.add_paragraph("Hello, world!")
+    doc.add_paragraph("Goodbye, world!")
+    extend_document = document.ExtendDocument(doc)
+
+    extend_document.insert_paragraph_by_text(1, "Maintain, world!")
 
     assert doc.paragraphs[0].text == "Hello, world!"
     assert doc.paragraphs[1].text == "Maintain, world!"