Implement adding new inventory items

README.md

@@ -53,3 +53,4 @@ ssh -nNTvL 5432:fsmi-db.fsmi.org:5432 fsmi-login.fsmi.uni-karlsruhe.de
   - [ ] Use `flask-login` with a single user stored in memory
 - [ ] Improve project structure
 - [ ] Figure out/Add documentation about building `entry.js`
+- [ ] Use `flask.flash` for error messages

frontend/Entry.elm

@@ -339,7 +339,9 @@ viewSearchResult model =
     , td [] [ text model.locationName ]
     , td [] [ text <| showBool model.available ]
     , td []
-      [ button [ onClick <| GotoItemEditor model ] [ text "Als Vorlage verwenden" ]
+      [ Html.form [ onSubmit <| GotoItemEditor model ]
+        [ button [] [ text "Als Vorlage verwenden" ]
+        ]
       ]
     ]
 

jon/db/__init__.py

@@ -7,8 +7,6 @@ from psycopg2.extras import RealDictCursor
 
 def get_db():
     if "db" not in g:
-        # TODO: Make this configurable and use a default that works
-        # on the pool computers.
         g.db = psycopg2.connect(current_app.config["DB_CONNECTION_STRING"])
         run_query_on(g.db, "add_views.sql", None)
 

jon/db/entry/add_item_and_snack_entry.sql

@@ -0,0 +1,26 @@
+DO $$
+DECLARE new_item_id integer;
+DECLARE new_snack_id integer;
+BEGIN
+
+-- Create a new inventory line
+INSERT INTO garfield.inventory_items
+(item_barcode, name, item_group, location, tax_group, sales_units, unit_price)
+VALUES
+(%(barcode)s, %(name)s, %(group_id)s, %(location_id)s, %(tax_group_id)s, %(sales_units)s, %(net_unit_price)s)
+RETURNING item_id INTO new_item_id;
+
+-- Delete any old snacks with the same barcode in the given location
+PERFORM garfield.snack_delete(snack_id)
+FROM garfield.snacks
+WHERE snack_barcode = %(barcode)s
+  AND location_id = %(location_id)s;
+
+-- Create a new snack entry...
+SELECT garfield.snack_create(%(name)s, %(barcode)s, %(gross_unit_price)s, %(tax_group_id)s, %(location_id)s)
+INTO new_snack_id;
+
+-- ... and map it to the new inventory line
+PERFORM garfield.inventory_map_snack(new_snack_id, new_item_id);
+
+END$$

jon/entry.py

@@ -1,4 +1,4 @@
-from flask import Blueprint, redirect, render_template, request, session
+from flask import Blueprint, flash, redirect, render_template, request, session
 
 
 from . import db
@@ -16,12 +16,37 @@ def index():
     )
 
 
+@bp.post("/add-new-items")
+def add_new_entries():
+    print(session)
+
+    i_know_what_im_doing = "i-know-what-im-doing" in request.form
+    if not i_know_what_im_doing:
+        return "Du weißt nicht was du tust", 400
+
+    orders = session.get("cart", default=[])
+    if not orders:
+        return "Keine Aufträge", 404
+    
+    # I'm aware of execute_many and extras.execute_values but we don't need to
+    # optimize here (yet?). This way it's a bit easier to use anyways.
+    for order in orders:
+        with db.run_query("entry/add_item_and_snack_entry.sql", order) as cursor:
+            pass
+    db.get_db().commit()
+
+    # Reset the cart
+    session["cart"] = []
+
+    return redirect(request.referrer)
+
+
 @bp.post("/delete-order")
 def delete_order():
     try:
         order_index = int(request.form["order-index"])
     except:
-        return f"Incomplete or mistyped form", 400
+        return "Incomplete or mistyped form", 400
 
     cart = session.get("cart", default=[])
     del cart[order_index]

jon/templates/entry/index.html

@@ -34,4 +34,9 @@
   </tr>
   {% endfor %}
 </table>
+<form method="POST" action="/entry/add-new-items">
+  <input type="checkbox" name="i-know-what-im-doing" id="i-know-what-im-doing">
+  <label for="i-know-what-im-doing">I weiß, was ich tue</label>
+  <button>Neue Einträge anlegen</button>
+</form>
 {% endblock %}