items_api.get_item updated to new schema

application/items/database_items.py

@@ -40,3 +40,21 @@ def getTransaction(site:str, payload: tuple, convert:bool=True):
             return record
     except Exception as error:
         postsqldb.DatabaseError(error, payload, sql)
+
+def getItemAllByID(site:str, payload: tuple, convert:bool=True):
+    database_config = config.config()
+    with open('application/items/sql/getItemAllByID.sql', 'r+') as file:
+        sql = file.read().replace("%%site_name%%", site)
+    record = ()
+    try:
+        with psycopg2.connect(**database_config) as conn:
+            with conn.cursor() as cur:
+                cur.execute(sql, payload)
+                rows = cur.fetchone()
+                if rows and convert:
+                    record = postsqldb.tupleDictionaryFactory(cur.description, rows)
+                if rows and not convert:
+                    record = rows
+            return record
+    except Exception as error:
+        postsqldb.DatabaseError(error, payload, sql)

application/items/items_API.py

@@ -59,15 +59,30 @@ def getTransaction():
         return jsonify({"transaction": transaction, "error": False, "message": ""})
     return jsonify({"transaction": transaction,  "error": True, "message": f"method {request.method} is not allowed."})
 
-@items_api.route("/item/getItem")
+@items_api.route("/item/getItem", methods=["GET"])
 def get_item():
+    """ GET item from system by passing its ID
+    ---
+    parameters:
+        - in: query
+          name: id
+          schema:
+            type: integer
+            minimum: 1
+            default: 1
+          description: item.id
+    responses:
+        200:
+            description: Item.id received successfully!
+    """
+    if request.method == "GET":
         id = int(request.args.get('id', 1))
-    database_config = config()
         site_name = session['selected_site']
-    item = []
-    with psycopg2.connect(**database_config) as conn:
-        item = database.getItemAllByID(conn, site_name, payload=(id, ), convert=True)
-    return jsonify(item=item)
+        item = ()
+        item = database_items.getItemAllByID(site_name, (id, ))
+        return jsonify({'item': item, 'error': False, 'message': ''})
+    return jsonify({'item': item, 'error': True, 'message': f'method {request.method} not allowed.'})
+
 
 @items_api.route("/item/getItemsWithQOH", methods=['GET'])
 @login_required

application/items/sql/getItemAllByID.sql

@@ -0,0 +1,86 @@
+WITH passed_id AS (SELECT %s AS passed_id),
+    logistics_id AS (SELECT logistics_info_id FROM %%site_name%%_items WHERE id=(SELECT passed_id FROM passed_id)),
+    info_id AS (SELECT item_info_id FROM %%site_name%%_items WHERE id=(SELECT passed_id FROM passed_id)),
+    cte_conversions AS (
+        SELECT 
+            %%site_name%%_conversions.id as conv_id,
+            %%site_name%%_conversions.conv_factor as conv_factor,
+            units.* as uom
+        FROM %%site_name%%_conversions
+        LEFT JOIN units ON %%site_name%%_conversions.uom_id = units.id
+        WHERE %%site_name%%_conversions.item_id = (SELECT passed_id FROM passed_id)
+    ),
+    cte_item_info AS (
+        SELECT 
+        %%site_name%%_item_info.*,
+        row_to_json(units.*) as uom,
+        COALESCE((SELECT json_agg(convs) FROM cte_conversions convs), '[]'::json) AS conversions,
+        COALESCE((SELECT json_agg(p.*) FROM %%site_name%%_sku_prefix as p WHERE p.id = ANY(%%site_name%%_item_info.prefixes)), '[]'::json) as prefixes 
+        FROM %%site_name%%_item_info
+        LEFT JOIN units ON %%site_name%%_item_info.uom = units.id
+        WHERE %%site_name%%_item_info.id = (SELECT item_info_id FROM info_id)
+    ),
+    cte_groups AS (
+        SELECT 
+            %%site_name%%_groups.*, 
+            %%site_name%%_group_items.uuid,
+            %%site_name%%_group_items.item_type,
+            %%site_name%%_group_items.qty
+        FROM %%site_name%%_groups
+        JOIN %%site_name%%_group_items ON %%site_name%%_groups.id = %%site_name%%_group_items.gr_id
+        WHERE %%site_name%%_group_items.item_id = (SELECT passed_id FROM passed_id)
+    ),
+    cte_shopping_lists AS (
+        SELECT 
+            %%site_name%%_shopping_lists.*, 
+            %%site_name%%_shopping_list_items.uuid,
+            %%site_name%%_shopping_list_items.item_type,
+            %%site_name%%_shopping_list_items.qty
+        FROM %%site_name%%_shopping_lists
+        JOIN %%site_name%%_shopping_list_items ON %%site_name%%_shopping_lists.id = %%site_name%%_shopping_list_items.sl_id
+        WHERE %%site_name%%_shopping_list_items.item_id = (SELECT passed_id FROM passed_id)
+    ),
+    cte_itemlinks AS (
+        SELECT * FROM %%site_name%%_itemlinks WHERE link=(SELECT passed_id FROM passed_id)
+    ),
+    cte_item_locations AS (
+        SELECT * FROM %%site_name%%_item_locations
+        LEFT JOIN %%site_name%%_locations ON %%site_name%%_locations.id = %%site_name%%_item_locations.location_id
+        WHERE part_id = (SELECT passed_id FROM passed_id)
+    ),
+    cte_logistics_info AS (
+        SELECT 
+        li.*, 
+        row_to_json(pl) AS primary_location,
+        row_to_json(ail) AS auto_issue_location,
+        row_to_json(pz) AS primary_zone,
+        row_to_json(aiz) AS auto_issue_zone
+        FROM %%site_name%%_logistics_info AS li
+        LEFT JOIN %%site_name%%_locations AS pl ON li.primary_location = pl.id
+        LEFT JOIN %%site_name%%_locations AS ail ON li.auto_issue_location = ail.id
+        LEFT JOIN %%site_name%%_zones AS pz ON li.primary_zone = pz.id
+        LEFT JOIN %%site_name%%_zones AS aiz ON li.auto_issue_zone = aiz.id
+        WHERE li.id=(SELECT logistics_info_id FROM logistics_id)
+    )
+
+SELECT
+    (SELECT passed_id FROM passed_id) AS passed_id,
+    %%site_name%%_items.*,
+    (SELECT COALESCE(row_to_json(logis), '{}') FROM cte_logistics_info logis) AS logistics_info,
+    row_to_json(%%site_name%%_food_info.*) as food_info, 
+    row_to_json(%%site_name%%_brands.*) as brand,
+    (SELECT COALESCE(row_to_json(ii), '{}') FROM cte_item_info ii) AS item_info,
+    (SELECT COALESCE(array_agg(row_to_json(g)), '{}') FROM cte_groups g) AS item_groups,
+    (SELECT COALESCE(array_agg(row_to_json(sl)), '{}') FROM cte_shopping_lists sl) AS item_shopping_lists,
+    (SELECT COALESCE(array_agg(row_to_json(il)), '{}') FROM cte_itemlinks il) AS linked_items,
+    (SELECT COALESCE(array_agg(row_to_json(ils)), '{}') FROM cte_item_locations ils) AS item_locations
+FROM %%site_name%%_items
+    LEFT JOIN %%site_name%%_item_info ON %%site_name%%_items.item_info_id = %%site_name%%_item_info.id 
+    LEFT JOIN %%site_name%%_food_info ON %%site_name%%_items.food_info_id = %%site_name%%_food_info.id 
+    LEFT JOIN %%site_name%%_brands ON %%site_name%%_items.brand = %%site_name%%_brands.id
+    LEFT JOIN units ON %%site_name%%_item_info.uom = units.id 
+    LEFT JOIN cte_groups ON %%site_name%%_items.id = cte_groups.id
+    LEFT JOIN cte_shopping_lists ON %%site_name%%_items.id = cte_shopping_lists.id
+WHERE %%site_name%%_items.id=(SELECT passed_id FROM passed_id)
+GROUP BY 
+    %%site_name%%_items.id, %%site_name%%_item_info.id, %%site_name%%_food_info.id, %%site_name%%_brands.id;