Moved export csv to a separate route

app.py

@@ -4,6 +4,7 @@ from models import *
 
 # Import the Blueprints
 from routes.viewall import viewall_bp
+from routes.export_csv import export_csv_bp
 from routes.viewasset import viewasset_bp
 from routes.create import addasset_bp
 from routes.update import update_bp
@@ -19,6 +20,7 @@ db.init_app(app)
 
 # Register the Blueprints
 app.register_blueprint(viewall_bp)
+app.register_blueprint(export_csv_bp)
 app.register_blueprint(viewasset_bp)
 app.register_blueprint(addasset_bp)
 app.register_blueprint(update_bp)

routes/export_csv.py

@@ -0,0 +1,24 @@
+from flask import Blueprint, send_file
+from models import Asset
+import csv
+
+export_csv_bp = Blueprint('export_csv', __name__)
+
+@export_csv_bp.route('/export_csv', methods=['POST'])
+def export_csv():
+    outfile = open('inventory_export.csv', 'w', newline='')
+    outcsv = csv.writer(outfile, delimiter='|')
+    
+    records = Asset.query.all() # Fetch all records from the database
+    
+    # Write headers
+    outcsv.writerow([column.name for column in Asset.__mapper__.columns])
+    
+    # Write data rows
+    for record in records:
+        outcsv.writerow([getattr(record, column.name) for column in Asset.__mapper__.columns])
+    
+    outfile.close()
+    
+    # Send the file as a download
+    return send_file('inventory_export.csv', as_attachment=True)

routes/viewall.py

@@ -1,21 +1,11 @@
-from flask import Blueprint, request, render_template, send_file
-from models import Asset, db
-import csv
+from flask import Blueprint, render_template
+from models import Asset
 from config import item_attributes
 
 viewall_bp = Blueprint('viewall', __name__)
 
-@viewall_bp.route('/viewall/', methods=['GET', 'POST'])
+@viewall_bp.route('/viewall/', methods=['GET'])
 def view_list():
-    if request.method == 'POST':
-        outfile = open('inventory_export.csv', 'w', newline='')
-        outcsv = csv.writer(outfile, delimiter='|')
-        records = db.session.query(Asset).all()
-        outcsv.writerow([column.name for column in Asset.__mapper__.columns])
-        [outcsv.writerow([getattr(curr, column.name) for column in Asset.__mapper__.columns]) for curr in records]
-        outfile.close()
-        return send_file('inventory_export.csv', as_attachment=True)
-
     items = Asset.query.all()
     primary_attrib = next(
         (attrib for attrib, config in item_attributes.items() if config.primary),

templates/viewList.html

@@ -9,14 +9,14 @@
 
     <table border="1" align="center">
         <tr>
-            <!-- Dynamically generate table headers -->
+            <!-- Table headers -->
             {% for attrib, config in item_attributes.items() %}
                 <th>{{ config.display_name }}</th>
             {% endfor %}
             <th colspan="2">Actions</th>
         </tr>
 
-        <!-- Dynamically generate table rows -->
+        <!-- Table rows -->
         {% for item in items %}
         <tr>
             {% for attrib, config in item_attributes.items() %}
@@ -43,7 +43,7 @@
     <form action="/uploadcsv" method="get">
         <button type="submit">Import from CSV</button>
     </form>
-    <form method="POST">
+    <form action="/export_csv" method="POST">
         <button type="submit">Export Data</button>
     </form>
 </body>