First draft of elm frontend

This will probably be scrapped or rewritten

jon/db/entry/get_groups.sql

@@ -1,6 +1,6 @@
 SELECT
-  group_id,
-  group_name
+  group_id AS id,
+  group_name AS name
 FROM garfield.inventory_item_groups
 ORDER BY
   group_name ASC

jon/db/entry/get_locations.sql

@@ -0,0 +1,4 @@
+SELECT
+  location_id AS id,
+  location_name AS name
+FROM garfield.locations

jon/db/entry/get_tax_groups.sql

@@ -0,0 +1,9 @@
+SELECT
+  tax_group_id AS id,
+  description,
+  tax_percentage :: float AS percentage,
+  tax_description AS description
+FROM garfield.tax_groups,
+     LATERAL garfield.tax_find(tax_group_id, NOW() :: date) AS tax_id
+LEFT JOIN garfield.taxes USING (tax_id)
+WHERE active

jon/db/search_items.sql

@@ -0,0 +1,18 @@
+SELECT
+  item_barcode,
+  name,
+  unit_price :: float,
+  TO_CHAR(bought, 'YYYY-MM-DD') AS bought,
+  sales_units,
+  available,
+  location_name,
+  location_id,
+  group_name,
+  item_group AS group_id,
+  tax_group AS tax_group_id
+FROM garfield.inventory_items
+LEFT JOIN garfield.locations ON location = location_id
+LEFT JOIN garfield.inventory_item_groups ON item_group = group_id
+WHERE (%(location_id)s IS NULL OR location = %(location_id)s)
+  AND (name ILIKE CONCAT('%%', %(search_term)s, '%%') OR item_barcode = %(search_term)s)
+ORDER BY bought DESC

jon/entry.py

@@ -1,9 +1,6 @@
-import datetime
-import zoneinfo
-
-
 from flask import Blueprint, redirect, render_template, request, session
 
+
 from . import db
 
 
@@ -12,4 +9,34 @@ bp = Blueprint("entry", __name__, url_prefix="/entry")
 
 @bp.get("/")
 def index():
-    return render_template("entry/index.html")
+    with db.run_query("entry/get_groups.sql") as cursor:
+        groups = cursor.fetchall()
+
+    with db.run_query("entry/get_locations.sql") as cursor:
+        locations = cursor.fetchall()
+
+    with db.run_query("entry/get_tax_groups.sql") as cursor:
+        tax_groups = cursor.fetchall()
+
+    return render_template("entry/index.html", **{
+        "locations": locations,
+        "groups": groups,
+        "tax_groups": tax_groups
+    })
+
+@bp.get("/api/search-items")
+def api_search_items():
+    try:
+        search_term = request.args["search-term"]
+    except:
+        return {"error": "Missing query parameter `search-term`"}, 400
+
+    location = session.get("location", None)
+
+    with db.run_query("search_items.sql", {
+        "location_id": None if location is None else location["location_id"],
+        "search_term": search_term
+    }) as cursor:
+        items = cursor.fetchall()
+
+    return items

jon/template_utils.py

@@ -1,4 +1,4 @@
-import datetime
+import json
 
 
 def format_currency(x):
@@ -15,16 +15,5 @@ def format_bool(x):
     return "✅" if x else "❌"
 
 
-def now():
-    return datetime.datetime.now()
-
-
-def get_garfield_price(net_unit_price, tax_group_id):
-    if tax_group_id == 1:
-        tax_factor = 1.19
-    elif tax_group_id == 2:
-        tax_factor = 1.07
-    else:
-        raise Error("Unknown tax group ID")
-
-    return net_unit_price * tax_factor + 0.01
+def to_json(x):
+    return json.dumps(x)

jon/templates/entry/index.html

@@ -1,5 +1,16 @@
 {% extends "base.html" %}
 
 {% block content %}
-<a href="/entry/edit-item-data">Neuer Eintrag</a>
+<div class="entry-app"></div>
+<script src="{{ url_for('static', filename='entry.js') }}"></script>
+<script>
+Elm.Entry.init({
+  node: document.querySelector('.entry-app'),
+  flags: {
+    locations: {{ to_json(locations) | safe }},
+    groups: {{ to_json(groups) | safe }},
+    taxGroups: {{ to_json(tax_groups) | safe }}
+  }
+});
+</script>
 {% endblock %}