Stored procedure helpers. Order repo and model. More SQLService updates.

* A generic stored procedure helper added, and support for calling them.
* Order and OrderItem tables added, including helpers and calls to SP for creation and updates.
* Minor updates to other repositories.

pyjeeves/repositories/article.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 from pyjeeves.models.raw import Article as ArticleModel, ProductClass, ArticleClass, CommodityGroup
+from pyjeeves.models import db
 from sqlalchemy.sql.expression import and_
 from sqlalchemy.orm.exc import NoResultFound
 
@@ -10,14 +11,14 @@ logger = logging.getLogger("PyJeeves." + __name__)
 
 # Relocate Jeeves modules to separate folder and let a "master" module handle imports, and setup.
 class Article():
-    """Handles articles in Jeeves"""
+    """Handles articles in Jeeves, currently filters out all articles with class = 2"""
 
     @staticmethod
     def get(art_no):
         """ Query an article by number """
         try:
-            return ArticleModel.query.filter_by(
-                ArtNr=art_no
+            return db.raw.query(ArticleModel).filter_by(
+                ArtNr=str(art_no)
             ).one()
         except NoResultFound:
             raise KeyError
@@ -25,7 +26,29 @@ class Article():
     @staticmethod
     def get_all(filter_=and_(ArticleModel.ItemStatusCode == 0, ArticleModel.ArtKod != 2)):
         # .filter_by(ItemStatusCode=0, ArtKod=2)
-        return ArticleModel.query.filter(filter_).all()
+        return db.raw.query(ArticleModel).filter(filter_).all()
+
+    @staticmethod
+    def is_salable(art_no_list=[]):
+        """ Returns true if all articles are salable,
+            else false with error information """
+        articles = db.raw.query(ArticleModel).filter(
+            and_(ArticleModel.ArtNr.in_(art_no_list))).all()
+
+        blocked_articles = [article.ArtNr for article in articles
+                            if article.ArtKod == 2 or article.ItemStatusCode != 0]
+        unknown_articles = [x for x in art_no_list
+                            if x not in set([article.ArtNr for article in articles])]
+
+        if blocked_articles or unknown_articles:
+            errors = {}
+            if blocked_articles:
+                errors['blocked_articles'] = blocked_articles
+            if unknown_articles:
+                errors['unknown_articles'] = unknown_articles
+            return False, errors
+
+        return True, {}
 
 
 class ArticleCategory():
@@ -34,9 +57,9 @@ class ArticleCategory():
     @staticmethod
     def get_all():
         # .filter_by(ItemStatusCode=0, ArtKod=2)
-        prod_classes = ProductClass.query.all()
-        art_classes = ArticleClass.query.all()
-        com_groups = CommodityGroup.query.all()
+        prod_classes = db.raw.query(ProductClass).all()
+        art_classes = db.raw.query(ArticleClass).all()
+        com_groups = db.raw.query(CommodityGroup).all()
 
         return {'ProductClasses': prod_classes,
                 'ArticleClasses': art_classes, 'CommodityGroups': com_groups}