Added microservice to download PDFs

main.py

@@ -3,8 +3,9 @@ Portfolio Project for CS361 Spring 2022
 Written by Lucas Jensen
 Last updated 5/12 for Assignment 1
 """
-from flask import Flask, redirect, render_template, request
+from flask import Flask, redirect, render_template, request, send_file
 from recipe import Recipe, RecipeBook
+from time import sleep
 
 app = Flask(__name__)
 book = RecipeBook()
@@ -25,17 +26,39 @@ def recipes_page():
 
 @app.route('/recipes/<_id>', methods=['GET', 'POST'])
 def recipe_page(_id):
-    recipe = book.find_by_id(_id)
+    recipe = book.find_by_id(str(_id))
 
     if request.method == 'POST':
-        scale = request.form.get('scale')
-        new = recipe.scale(scale)
-        new_id = book.add_recipe(new)
-        return redirect(f'/recipes/{new_id}')
+        if 'scale' in request.form:
+            scale = request.form.get('scale')
+            new = recipe.scale(scale)
+            new_id = book.add_recipe(new)
+            return redirect(f'/recipes/{new_id}')
+
+        else:
+            path = write_txt(_id)
+            sleep(0.5)
+            return send_file(path, as_attachment=True)
 
     return render_template("recipe.html", content=recipe, _id=_id)
 
 
+def write_txt(_id):
+    """
+    writes to the txt file to have the microservice make a selected pdf
+    :return:
+    """
+    print(_id)
+    with open('recipe.txt', 'w') as txt_file:
+        txt_file.write(_id)
+
+    return f"recipe{_id}.pdf"
+
+
+# app.route('/recipes/<id>/download')
+# def
+
+
 @app.route('/recipes/<_id>/delete')
 def delete_recipe(_id):
     book.find_and_delete(_id)