Update content_utils.py

content_utils.py

@@ -1510,280 +1510,331 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
                     theme_name: str = "Minimal Light", design_themes: Dict = None) -> str:
     """Create PPTX file with speaker notes"""
     print(f"[PPTX] Creating file... Theme: {theme_name}")
+    print(f"[PPTX] Processing {len(results)} slides")
     
-    # Create presentation (16:9 ratio)
-    prs = Presentation()
-    prs.slide_width = Inches(16)
-    prs.slide_height = Inches(9)
-    
-    # Get selected theme
-    theme = design_themes.get(theme_name, design_themes["Minimal Light"]) if design_themes else {}
-    
-    # Add slides
-    for i, result in enumerate(results):
-        if not result.get("success", False):
-            continue
-            
-        slide_data = result.get("slide_data", {})
+    try:
+        # Create presentation (16:9 ratio)
+        prs = Presentation()
+        prs.slide_width = Inches(16)
+        prs.slide_height = Inches(9)
         
-        # Use blank layout
-        blank_layout = prs.slide_layouts[6]
-        slide = prs.slides.add_slide(blank_layout)
+        # Get selected theme with proper defaults
+        default_theme = {
+            "background": RGBColor(250, 250, 252),
+            "title_color": RGBColor(33, 37, 41),
+            "subtitle_color": RGBColor(52, 58, 64),
+            "text_color": RGBColor(73, 80, 87),
+            "accent_color": RGBColor(0, 123, 255),
+            "box_fill": RGBColor(255, 255, 255),
+            "box_opacity": 0.95,
+            "shadow": True,
+            "gradient": False
+        }
         
-        # Title slide
-        if slide_data.get('title') in ['Cover', '표지']:
-            # Add background image
-            if slide_data.get('image'):
-                try:
-                    img_buffer = BytesIO()
-                    slide_data['image'].save(img_buffer, format='PNG')
-                    img_buffer.seek(0)
-                    
-                    # Full screen background image
-                    pic = slide.shapes.add_picture(
-                        img_buffer, 
-                        0, 0,
-                        width=prs.slide_width, 
-                        height=prs.slide_height
-                    )
-                    # Send to back
-                    slide.shapes._spTree.remove(pic._element)
-                    slide.shapes._spTree.insert(2, pic._element)
-                except Exception as e:
-                    print(f"[PPTX] Failed to add title image: {str(e)}")
-            
-            # Title background box (semi-transparent)
-            title_bg = slide.shapes.add_shape(
-                MSO_SHAPE.ROUNDED_RECTANGLE,
-                Inches(2), Inches(2.8),
-                Inches(12), Inches(3.2)
-            )
-            title_bg.fill.solid()
-            title_bg.fill.fore_color.rgb = RGBColor(255, 255, 255)
-            title_bg.fill.transparency = 0.8
-            title_bg.line.fill.background()
-            
-            # Shadow effect
-            shadow = title_bg.shadow
-            shadow.visible = True
-            shadow.distance = Pt(6)
-            shadow.size = 100
-            shadow.blur_radius = Pt(12)
-            shadow.transparency = 0.8
-            shadow.angle = 45
-            
-            # Title text
-            title_box = slide.shapes.add_textbox(
-                Inches(2), Inches(3.2), 
-                Inches(12), Inches(1.5)
-            )
-            title_frame = title_box.text_frame
-            title_frame.text = topic
-            title_para = title_frame.paragraphs[0]
-            title_para.font.size = Pt(48)
-            title_para.font.bold = True
-            title_para.font.color.rgb = RGBColor(0, 0, 0)
-            title_para.alignment = PP_ALIGN.CENTER
-            
-            # Subtitle
-            subtitle_box = slide.shapes.add_textbox(
-                Inches(2), Inches(4.3), 
-                Inches(12), Inches(1.0)
-            )
-            subtitle_frame = subtitle_box.text_frame
-            subtitle_frame.text = slide_data.get('subtitle', f'{template_name} - AI Presentation')
-            subtitle_para = subtitle_frame.paragraphs[0]
-            subtitle_para.font.size = Pt(28)
-            subtitle_para.font.color.rgb = RGBColor(33, 37, 41)
-            subtitle_para.alignment = PP_ALIGN.CENTER
-            
-        # Thank You slide
-        elif slide_data.get('title') == 'Thank You':
-            # Add background image
-            if slide_data.get('image'):
-                try:
-                    img_buffer = BytesIO()
-                    slide_data['image'].save(img_buffer, format='PNG')
-                    img_buffer.seek(0)
-                    
-                    # Full screen background image
-                    pic = slide.shapes.add_picture(
-                        img_buffer, 
-                        0, 0,
-                        width=prs.slide_width, 
-                        height=prs.slide_height
-                    )
-                    # Send to back
-                    slide.shapes._spTree.remove(pic._element)
-                    slide.shapes._spTree.insert(2, pic._element)
-                except Exception as e:
-                    print(f"[PPTX] Failed to add Thank You image: {str(e)}")
-            
-            # Thank You background box
-            thanks_bg = slide.shapes.add_shape(
-                MSO_SHAPE.ROUNDED_RECTANGLE,
-                Inches(2), Inches(3.5),
-                Inches(12), Inches(2.5)
-            )
-            thanks_bg.fill.solid()
-            thanks_bg.fill.fore_color.rgb = RGBColor(255, 255, 255)
-            thanks_bg.fill.transparency = 0.8
-            thanks_bg.line.fill.background()
-            
-            # Shadow effect
-            shadow = thanks_bg.shadow
-            shadow.visible = True
-            shadow.distance = Pt(6)
-            shadow.size = 100
-            shadow.blur_radius = Pt(12)
-            shadow.transparency = 0.8
-            shadow.angle = 45
-            
-            # Thank You text (conclusion phrase)
-            thanks_box = slide.shapes.add_textbox(
-                Inches(2), Inches(4), 
-                Inches(12), Inches(1.5)
-            )
-            thanks_frame = thanks_box.text_frame
-            thanks_frame.text = slide_data.get('subtitle', 'Thank You')
-            thanks_para = thanks_frame.paragraphs[0]
-            thanks_para.font.size = Pt(42)
-            thanks_para.font.bold = True
-            thanks_para.font.color.rgb = RGBColor(0, 0, 0)
-            thanks_para.alignment = PP_ALIGN.CENTER
-            
-        # Regular slides
+        if design_themes and theme_name in design_themes:
+            theme = design_themes[theme_name]
         else:
-            # Background color
-            background = slide.background
-            fill = background.fill
-            fill.solid()
-            fill.fore_color.rgb = theme.get("background", RGBColor(250, 250, 252))
+            theme = default_theme
+            print(f"[PPTX] Using default theme as {theme_name} not found")
+        
+        # Add slides
+        slide_count = 0
+        for i, result in enumerate(results):
+            if not result.get("success", False):
+                print(f"[PPTX] Skipping slide {i+1} - not successful")
+                continue
+                
+            slide_data = result.get("slide_data", {})
+            print(f"[PPTX] Adding slide {i+1}: {slide_data.get('title', 'Unknown')}")
             
-            # Slide title background box
-            title_box_bg = slide.shapes.add_shape(
-                MSO_SHAPE.ROUNDED_RECTANGLE,
-                Inches(0.3), Inches(0.2),
-                Inches(15.4), Inches(1.0)
-            )
-            title_box_bg.fill.solid()
-            title_box_bg.fill.fore_color.rgb = theme.get("box_fill", RGBColor(255, 255, 255))
-            title_box_bg.fill.transparency = 1 - theme.get("box_opacity", 0.95)
+            # Use blank layout
+            blank_layout = prs.slide_layouts[6]
+            slide = prs.slides.add_slide(blank_layout)
+            slide_count += 1
             
-            # Shadow effect
-            if theme.get("shadow", True):
-                shadow = title_box_bg.shadow
+            # Title slide
+            if slide_data.get('title') in ['Cover', '표지']:
+                # Add background image
+                if slide_data.get('image'):
+                    try:
+                        img_buffer = BytesIO()
+                        slide_data['image'].save(img_buffer, format='PNG')
+                        img_buffer.seek(0)
+                        
+                        # Full screen background image
+                        pic = slide.shapes.add_picture(
+                            img_buffer, 
+                            0, 0,
+                            width=prs.slide_width, 
+                            height=prs.slide_height
+                        )
+                        # Send to back
+                        slide.shapes._spTree.remove(pic._element)
+                        slide.shapes._spTree.insert(2, pic._element)
+                        print(f"[PPTX] Added title background image")
+                    except Exception as e:
+                        print(f"[PPTX] Failed to add title image: {str(e)}")
+                
+                # Title background box (semi-transparent)
+                title_bg = slide.shapes.add_shape(
+                    MSO_SHAPE.ROUNDED_RECTANGLE,
+                    Inches(2), Inches(2.8),
+                    Inches(12), Inches(3.2)
+                )
+                title_bg.fill.solid()
+                title_bg.fill.fore_color.rgb = RGBColor(255, 255, 255)
+                title_bg.fill.transparency = 0.8
+                title_bg.line.fill.background()
+                
+                # Shadow effect
+                shadow = title_bg.shadow
                 shadow.visible = True
-                shadow.distance = Pt(4)
+                shadow.distance = Pt(6)
                 shadow.size = 100
-                shadow.blur_radius = Pt(8)
-                shadow.transparency = 0.75
+                shadow.blur_radius = Pt(12)
+                shadow.transparency = 0.8
                 shadow.angle = 45
-            
-            title_box_bg.line.fill.background()
-            
-            # Slide title
-            title_box = slide.shapes.add_textbox(
-                Inches(0.5), Inches(0.3), 
-                Inches(15), Inches(0.8)
-            )
-            title_frame = title_box.text_frame
-            title_frame.text = f"{slide_data.get('title', '')}"
-            title_para = title_frame.paragraphs[0]
-            title_para.font.size = Pt(28)
-            title_para.font.bold = True
-            title_para.font.color.rgb = theme.get("title_color", RGBColor(33, 37, 41))
-            
-            # Left text area background box
-            text_box_bg = slide.shapes.add_shape(
-                MSO_SHAPE.ROUNDED_RECTANGLE,
-                Inches(0.3), Inches(1.4),
-                Inches(7.8), Inches(6.8)
-            )
-            text_box_bg.fill.solid()
-            text_box_bg.fill.fore_color.rgb = theme.get("box_fill", RGBColor(255, 255, 255))
-            text_box_bg.fill.transparency = 1 - theme.get("box_opacity", 0.95)
-            
-            if theme.get("shadow", True):
-                shadow = text_box_bg.shadow
+                
+                # Title text
+                title_box = slide.shapes.add_textbox(
+                    Inches(2), Inches(3.2), 
+                    Inches(12), Inches(1.5)
+                )
+                title_frame = title_box.text_frame
+                title_frame.text = topic
+                title_para = title_frame.paragraphs[0]
+                title_para.font.size = Pt(48)
+                title_para.font.bold = True
+                title_para.font.color.rgb = RGBColor(0, 0, 0)
+                title_para.alignment = PP_ALIGN.CENTER
+                
+                # Subtitle
+                subtitle_box = slide.shapes.add_textbox(
+                    Inches(2), Inches(4.3), 
+                    Inches(12), Inches(1.0)
+                )
+                subtitle_frame = subtitle_box.text_frame
+                subtitle_frame.text = slide_data.get('subtitle', f'{template_name} - AI Presentation')
+                subtitle_para = subtitle_frame.paragraphs[0]
+                subtitle_para.font.size = Pt(28)
+                subtitle_para.font.color.rgb = RGBColor(33, 37, 41)
+                subtitle_para.alignment = PP_ALIGN.CENTER
+                
+            # Thank You slide
+            elif slide_data.get('title') == 'Thank You':
+                # Add background image
+                if slide_data.get('image'):
+                    try:
+                        img_buffer = BytesIO()
+                        slide_data['image'].save(img_buffer, format='PNG')
+                        img_buffer.seek(0)
+                        
+                        # Full screen background image
+                        pic = slide.shapes.add_picture(
+                            img_buffer, 
+                            0, 0,
+                            width=prs.slide_width, 
+                            height=prs.slide_height
+                        )
+                        # Send to back
+                        slide.shapes._spTree.remove(pic._element)
+                        slide.shapes._spTree.insert(2, pic._element)
+                    except Exception as e:
+                        print(f"[PPTX] Failed to add Thank You image: {str(e)}")
+                
+                # Thank You background box
+                thanks_bg = slide.shapes.add_shape(
+                    MSO_SHAPE.ROUNDED_RECTANGLE,
+                    Inches(2), Inches(3.5),
+                    Inches(12), Inches(2.5)
+                )
+                thanks_bg.fill.solid()
+                thanks_bg.fill.fore_color.rgb = RGBColor(255, 255, 255)
+                thanks_bg.fill.transparency = 0.8
+                thanks_bg.line.fill.background()
+                
+                # Shadow effect
+                shadow = thanks_bg.shadow
                 shadow.visible = True
-                shadow.distance = Pt(5)
+                shadow.distance = Pt(6)
                 shadow.size = 100
-                shadow.blur_radius = Pt(10)
-                shadow.transparency = 0.7
+                shadow.blur_radius = Pt(12)
+                shadow.transparency = 0.8
                 shadow.angle = 45
+                
+                # Thank You text (conclusion phrase)
+                thanks_box = slide.shapes.add_textbox(
+                    Inches(2), Inches(4), 
+                    Inches(12), Inches(1.5)
+                )
+                thanks_frame = thanks_box.text_frame
+                thanks_frame.text = slide_data.get('subtitle', 'Thank You')
+                thanks_para = thanks_frame.paragraphs[0]
+                thanks_para.font.size = Pt(42)
+                thanks_para.font.bold = True
+                thanks_para.font.color.rgb = RGBColor(0, 0, 0)
+                thanks_para.alignment = PP_ALIGN.CENTER
+                
+            # Regular slides
+            else:
+                # Background color
+                background = slide.background
+                fill = background.fill
+                fill.solid()
+                fill.fore_color.rgb = theme.get("background", RGBColor(250, 250, 252))
+                
+                # Slide title background box
+                title_box_bg = slide.shapes.add_shape(
+                    MSO_SHAPE.ROUNDED_RECTANGLE,
+                    Inches(0.3), Inches(0.2),
+                    Inches(15.4), Inches(1.0)
+                )
+                title_box_bg.fill.solid()
+                title_box_bg.fill.fore_color.rgb = theme.get("box_fill", RGBColor(255, 255, 255))
+                title_box_bg.fill.transparency = 1 - theme.get("box_opacity", 0.95)
+                
+                # Shadow effect
+                if theme.get("shadow", True):
+                    shadow = title_box_bg.shadow
+                    shadow.visible = True
+                    shadow.distance = Pt(4)
+                    shadow.size = 100
+                    shadow.blur_radius = Pt(8)
+                    shadow.transparency = 0.75
+                    shadow.angle = 45
+                
+                title_box_bg.line.fill.background()
+                
+                # Slide title
+                title_box = slide.shapes.add_textbox(
+                    Inches(0.5), Inches(0.3), 
+                    Inches(15), Inches(0.8)
+                )
+                title_frame = title_box.text_frame
+                title_frame.text = f"{slide_data.get('title', '')}"
+                title_para = title_frame.paragraphs[0]
+                title_para.font.size = Pt(28)
+                title_para.font.bold = True
+                title_para.font.color.rgb = theme.get("title_color", RGBColor(33, 37, 41))
+                
+                # Left text area background box
+                text_box_bg = slide.shapes.add_shape(
+                    MSO_SHAPE.ROUNDED_RECTANGLE,
+                    Inches(0.3), Inches(1.4),
+                    Inches(7.8), Inches(6.8)
+                )
+                text_box_bg.fill.solid()
+                text_box_bg.fill.fore_color.rgb = theme.get("box_fill", RGBColor(255, 255, 255))
+                text_box_bg.fill.transparency = 1 - theme.get("box_opacity", 0.95)
+                
+                if theme.get("shadow", True):
+                    shadow = text_box_bg.shadow
+                    shadow.visible = True
+                    shadow.distance = Pt(5)
+                    shadow.size = 100
+                    shadow.blur_radius = Pt(10)
+                    shadow.transparency = 0.7
+                    shadow.angle = 45
+                
+                text_box_bg.line.fill.background()
+                
+                # Left text area
+                text_box = slide.shapes.add_textbox(
+                    Inches(0.8), Inches(1.8),
+                    Inches(7.0), Inches(6.0)
+                )
+                text_frame = text_box.text_frame
+                text_frame.word_wrap = True
+                
+                # Subtitle
+                subtitle_para = text_frame.paragraphs[0]
+                subtitle_para.text = slide_data.get('subtitle', '')
+                subtitle_para.font.size = Pt(20)
+                subtitle_para.font.bold = True
+                subtitle_para.font.color.rgb = theme.get("subtitle_color", RGBColor(52, 58, 64))
+                subtitle_para.space_after = Pt(20)
+                
+                # Bullet points
+                bullet_points = slide_data.get('bullet_points', [])
+                for point in bullet_points:
+                    p = text_frame.add_paragraph()
+                    # Remove • and add text only (keep emojis)
+                    clean_text = point.replace('•', '').strip()
+                    p.text = clean_text
+                    p.font.size = Pt(16)
+                    p.font.color.rgb = theme.get("text_color", RGBColor(73, 80, 87))
+                    p.level = 0
+                    p.space_after = Pt(12)
+                    p.line_spacing = 1.5
+                    p.left_indent = Pt(0)
+                
+                # Right image
+                if slide_data.get('image'):
+                    try:
+                        img_buffer = BytesIO()
+                        slide_data['image'].save(img_buffer, format='PNG')
+                        img_buffer.seek(0)
+                        
+                        pic = slide.shapes.add_picture(
+                            img_buffer, 
+                            Inches(8.5), Inches(1.6),
+                            width=Inches(6.8), height=Inches(6.4)
+                        )
+                        
+                        pic.line.fill.background()
+                        
+                    except Exception as e:
+                        print(f"[PPTX] Failed to add image: {str(e)}")
+                
+                # Page number
+                page_num = slide.shapes.add_textbox(
+                    Inches(15), Inches(8.5),
+                    Inches(1), Inches(0.5)
+                )
+                page_frame = page_num.text_frame
+                page_frame.text = str(i + 1)
+                page_para = page_frame.paragraphs[0]
+                page_para.font.size = Pt(12)
+                page_para.font.color.rgb = theme.get("text_color", RGBColor(73, 80, 87))
+                page_para.alignment = PP_ALIGN.RIGHT
             
-            text_box_bg.line.fill.background()
-            
-            # Left text area
-            text_box = slide.shapes.add_textbox(
-                Inches(0.8), Inches(1.8),
-                Inches(7.0), Inches(6.0)
-            )
-            text_frame = text_box.text_frame
-            text_frame.word_wrap = True
-            
-            # Subtitle
-            subtitle_para = text_frame.paragraphs[0]
-            subtitle_para.text = slide_data.get('subtitle', '')
-            subtitle_para.font.size = Pt(20)
-            subtitle_para.font.bold = True
-            subtitle_para.font.color.rgb = theme.get("subtitle_color", RGBColor(52, 58, 64))
-            subtitle_para.space_after = Pt(20)
-            
-            # Bullet points
-            bullet_points = slide_data.get('bullet_points', [])
-            for point in bullet_points:
-                p = text_frame.add_paragraph()
-                # Remove • and add text only (keep emojis)
-                clean_text = point.replace('•', '').strip()
-                p.text = clean_text
-                p.font.size = Pt(16)
-                p.font.color.rgb = theme.get("text_color", RGBColor(73, 80, 87))
-                p.level = 0
-                p.space_after = Pt(12)
-                p.line_spacing = 1.5
-                p.left_indent = Pt(0)
+            # Add speaker notes
+            notes_slide = slide.notes_slide
+            notes_slide.notes_text_frame.text = slide_data.get('speaker_notes', '')
+            print(f"[PPTX] Added speaker notes for slide {i+1}")
+        
+        print(f"[PPTX] Total slides added: {slide_count}")
+        
+        # Save file using tempfile for better compatibility
+        import tempfile
+        timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+        filename = f"presentation_{timestamp}.pptx"
+        
+        # Create a temporary file
+        with tempfile.NamedTemporaryFile(mode='wb', suffix='.pptx', delete=False) as tmp_file:
+            prs.save(tmp_file)
+            temp_path = tmp_file.name
+            print(f"[PPTX] File saved to temporary path: {temp_path}")
+        
+        # Verify file exists and has content
+        if os.path.exists(temp_path):
+            file_size = os.path.getsize(temp_path)
+            print(f"[PPTX] File created successfully: {filename}")
+            print(f"[PPTX] File size: {file_size} bytes")
+            print(f"[PPTX] File path: {temp_path}")
             
-            # Right image
-            if slide_data.get('image'):
-                try:
-                    img_buffer = BytesIO()
-                    slide_data['image'].save(img_buffer, format='PNG')
-                    img_buffer.seek(0)
-                    
-                    pic = slide.shapes.add_picture(
-                        img_buffer, 
-                        Inches(8.5), Inches(1.6),
-                        width=Inches(6.8), height=Inches(6.4)
-                    )
-                    
-                    pic.line.fill.background()
-                    
-                except Exception as e:
-                    print(f"[PPTX] Failed to add image: {str(e)}")
+            if file_size > 0:
+                return temp_path
+            else:
+                print(f"[PPTX] ERROR: File created but has 0 bytes")
+                os.remove(temp_path)
+                return None
+        else:
+            print(f"[PPTX] ERROR: File was not created at {temp_path}")
+            return None
             
-            # Page number
-            page_num = slide.shapes.add_textbox(
-                Inches(15), Inches(8.5),
-                Inches(1), Inches(0.5)
-            )
-            page_frame = page_num.text_frame
-            page_frame.text = str(i + 1)
-            page_para = page_frame.paragraphs[0]
-            page_para.font.size = Pt(12)
-            page_para.font.color.rgb = theme.get("text_color", RGBColor(73, 80, 87))
-            page_para.alignment = PP_ALIGN.RIGHT
-        
-        # Add speaker notes
-        notes_slide = slide.notes_slide
-        notes_slide.notes_text_frame.text = slide_data.get('speaker_notes', '')
-    
-    # Save file
-    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
-    filename = f"presentation_{timestamp}.pptx"
-    filepath = os.path.join("/tmp", filename)
-    prs.save(filepath)
-    
-    print(f"[PPTX] File created: {filename}")
-    return filepath
+    except Exception as e:
+        print(f"[PPTX] CRITICAL ERROR during file creation: {str(e)}")
+        import traceback
+        traceback.print_exc()
+        return None