Update app.py

app.py

@@ -97,23 +97,31 @@ def generate_score_bar(score, num_criteria):
     return score_bar_html
 
 class PDF(FPDF):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # Assuming the Roboto font files have been converted and added to your project directory
+        self.add_font('Roboto', '', 'Roboto/Roboto-Regular.ttf', uni=True)
+        self.add_font('Roboto', 'B', 'Roboto/Roboto-Bold.ttf', uni=True)
+        self.add_font('Roboto', 'I', 'Roboto/Roboto-Italic.ttf', uni=True)
+
     def header(self):
-        self.set_font('Arial', 'B', 12)
+        self.set_font('Roboto', 'B', 12)
         self.cell(0, 10, 'Paper Analysis Report', 0, 1, 'C')
 
     def footer(self):
         self.set_y(-15)
-        self.set_font('Arial', 'I', 8)
+        self.set_font('Roboto', 'I', 8)
         self.cell(0, 10, f'Page {self.page_no()}', 0, 0, 'C')
 
 def create_pdf_report(title, author_info, score, reasoning_html, output_path):
     pdf = PDF()
     pdf.add_page()
-    pdf.set_font("Arial", size=12)
+    pdf.set_font("Roboto", size=12)
     pdf.cell(0, 10, f"Title: {title}", 0, 1)
     pdf.cell(0, 10, f"Author Information: {author_info}", 0, 1)
     pdf.cell(0, 10, f"Score: {score}", 0, 1)
-    pdf.multi_cell(0, 10, f"Reasoning: \n{reasoning_html}")
+    reasoning_text = remove_html_tags(reasoning_html)  # Make sure to handle HTML if present
+    pdf.multi_cell(0, 10, f"Reasoning: \n{reasoning_text}")
     pdf.output(output_path)