added PDF Merger

app.py

@@ -1,26 +1,32 @@
-from flask import Flask, render_template, request, redirect, url_for, jsonify, send_from_directory
-import os
-from PyPDF2 import PdfReader, PdfWriter
-
-from pathlib import Path
 import shutil
 import os
+from flask import Flask, render_template, request, redirect, jsonify, send_from_directory
+from PyPDF2 import PdfReader, PdfWriter
+from pathlib import Path
 
 app = Flask(__name__)
 
 UPLOAD_FOLDER = 'uploads'
 app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
 
+
 @app.route('/')
 def index():
     return render_template('index.html')
 
+
 @app.route('/split/<path:path>')
 def send_report(path):
     return send_from_directory('split', path)
 
-@app.route('/split', methods=['POST'])
-def split_file():
+
+@app.route('/merge/<path:path>')
+def send_merge(path):
+    return send_from_directory('merge', path)
+
+
+@app.route('/split_to_zip', methods=['POST'])
+def split_to_zip():
     if 'pdf' not in request.files:
         return redirect(request.url)
 
@@ -33,15 +39,12 @@ def split_file():
         in_filename = pdf_file.filename
         filename = os.path.join(app.config['UPLOAD_FOLDER'], pdf_file.filename)
         pdf_file.save(filename)
-        
 
         out_filenames = []
         Path("/tmp/split_pdf").mkdir(parents=True, exist_ok=True)
-        # Process the PDF file (e.g., extract text)
         with open(filename, 'rb') as pdf_file:
             pdf_reader = PdfReader(pdf_file)
             num_pages = len(pdf_reader.pages)
-            text = ''
             for page_num in range(num_pages):
 
                 writer = PdfWriter()
@@ -63,5 +66,50 @@ def split_file():
         # response.headers.add("Access-Control-Allow-Origin", "*")
         return response
 
+
+@app.route('/merge_to_pdf', methods=['POST'])
+def merge_to_pdf():
+    if 'pdf_1' not in request.files or 'pdf_2' not in request.files:
+        return redirect(request.url)
+
+    pdf_file_1 = request.files['pdf_1']
+    pdf_file_2 = request.files['pdf_2']
+
+    if pdf_file_1.filename == '' or pdf_file_2.filename == '':
+        return redirect(request.url)
+
+    if pdf_file_1:
+        filename_1 = os.path.join(app.config['UPLOAD_FOLDER'], pdf_file_1.filename)
+        pdf_file_1.save(filename_1)
+
+    if pdf_file_2:
+        filename_2 = os.path.join(app.config['UPLOAD_FOLDER'], pdf_file_2.filename)
+        pdf_file_2.save(filename_2)
+
+    if pdf_file_1 and pdf_file_2:
+
+        with open(filename_1, 'rb') as pdf_file_1, open(filename_2, 'rb') as pdf_file_2:
+            pdf_reader_1 = PdfReader(pdf_file_1)
+            pdf_reader_2 = PdfReader(pdf_file_2)
+
+            Path("/tmp/merge_pdf").mkdir(parents=True, exist_ok=True)
+            writer = PdfWriter()
+
+            for page_num in range(len(pdf_reader_1.pages)):
+                writer.add_page(pdf_reader_1.pages[page_num])
+
+            for page_num in range(len(pdf_reader_2.pages)):
+                writer.add_page(pdf_reader_2.pages[page_num])
+
+            out_filename = '/app/merge/merger.pdf'
+            with open(out_filename, 'wb') as outfile:
+                writer.write(outfile)
+
+            response = jsonify({"url": '/merge/merger.pdf', "name": 'merge.pdf'})
+            # response.headers.add("Access-Control-Allow-Origin", "*")
+            return response
+
+
 if __name__ == '__main__':
+
     app.run(debug=True)