#7 Added basic set of product orderings.

controllers/web/product.py

@@ -19,6 +19,33 @@ import os
 
 blueprint = Blueprint("products", __name__, url_prefix="/products")
 
+# List of available filters for the user to select
+FILTERS = {
+    # ANY INFOMRATION PUT INTO THE VALUES HERE WILL BE INTERPRETED AS SQL!!!
+    'Relevance': 'ORDER BY quantityAvailable DESC',
+    'Price: High -> Low': 'ORDER BY cost DESC',
+    'Price: Low -> High': 'ORDER BY cost'
+}
+
+
+@blueprint.context_processor
+def filter_list():
+    """ Places a list of all the available filters in the
+        products context
+    """
+    return dict(filters=FILTERS)
+
+
+def get_filter():
+    """ Return any filters that are currently active on the page """
+    filter = request.args.get('filter')
+    if filter is None:
+        filter = 'Relevance'
+
+    if filter in FILTERS:
+        return FILTERS[filter]
+    return FILTERS['Relevance']
+
 
 @blueprint.context_processor
 def category_list():
@@ -44,9 +71,9 @@ def category(category: str):
     # Check to see if there is a custome search term
     search_term = request.args.get("search", type=str)
     if search_term is not None:
-        products = database.read_all(category, search_term)
+        products = database.read_all(category, search_term, get_filter())
     else:
-        products = database.read_all(category)
+        products = database.read_all(category, "", get_filter())
 
     # No Products visible
     if products is None: