Add support for phone, fax, email in Rattail -> CORE export

rattail_corepos/corepos/importing/model.py

@@ -24,28 +24,16 @@
 CORE-POS model importers (webservices API)
 """
 
-from sqlalchemy.orm.exc import NoResultFound
-
-from corepos.db.office_op import model as corepos
 from corepos.api import CoreWebAPI
 
 from rattail import importing
 
 
-class ToCore(importing.ToSQLAlchemy):
+class ToCoreAPI(importing.Importer):
     """
-    Base class for all CORE "operational" model importers.
-
-    Note that this class inherits from
-    :class:`~rattail:rattail.importing.sqlalchemy.ToSQLAlchemy` even though our
-    goal is to *not* write directly to the CORE DB.  However, (for now)
-    importers will need to override methods to ensure API is used instead,
-    where applicable.  But even once all have been refactored to write via API,
-    we *still* may want to keep using ``ToSQLAlchemy`` for the sake of reading
-    "cached local" data.  (May depend on how robust the API is.)
+    Base class for all CORE "operational" model importers, which use the API.
     """
-    # TODO: should we standardize on the 'id' primary key? (can we even?)
-    # key = 'id'
+    caches_local_data = True
 
     def setup(self):
         self.establish_api()
@@ -54,49 +42,85 @@ class ToCore(importing.ToSQLAlchemy):
         url = self.config.require('corepos.api', 'url')
         self.api = CoreWebAPI(url)
 
-    # TODO: this looks an awful lot like it belongs in rattail proper
-    def get_single_local_object(self, key):
+    def ensure_fields(self, data):
         """
-        Fetch a particular record from CORE, via SQLAlchemy.  This is used by
-        the Rattail -> CORE datasync consumer.
+        Ensure each of our supported fields are included in the data.  This is
+        to handle cases where the API does not return all fields, e.g. when
+        some of them are empty.
         """
-        query = self.session.query(self.model_class)
-        for i, field in enumerate(self.key):
-            query = query.filter(getattr(self.model_class, field) == key[i])
+        for field in self.fields:
+            if field not in data:
+                data[field] = None
 
-        for option in self.cache_query_options():
-            query = query.options(option)
+    def fix_empties(self, data, fields):
+        """
+        Fix "empty" values for the given set of fields.  This just uses an
+        empty string instead of ``None`` for each, to add some consistency
+        where the API might lack it.
 
-        try:
-            return query.one()
-        except NoResultFound:
-            pass
+        Main example so far, is the Vendor API, which may not return some
+        fields at all (and so our value is ``None``) in some cases, but in
+        other cases it *will* return a value, default of which is the empty
+        string.  So we want to "pretend" that we get an empty string back even
+        when we actually get ``None`` from it.
+        """
+        for field in fields:
+            if data[field] is None:
+                data[field] = ''
 
 
-class VendorImporter(ToCore):
+class VendorImporter(ToCoreAPI):
     """
     Vendor model importer for CORE-POS
     """
-    model_class = corepos.Vendor
+    model_name = 'Vendor'
     key = 'vendorID'
     supported_fields = [
         'vendorID',
         'vendorName',
         'vendorAbbreviation',
+        'shippingMarkup',
         'discountRate',
+        'phone',
+        'fax',
+        'email',
+        'website',
+        'address',
+        'city',
+        'state',
+        'zip',
+        'notes',
+        'localOriginID',
+        'inactive',
+        'orderMinimum',
+        'halfCases',
     ]
     # TODO: this importer is in a bit of an experimental state at the moment.
     # we only allow "update" b/c it will use the API instead of direct DB
     allow_create = False
     allow_delete = False
 
+    def get_local_objects(self, host_data=None):
+        return self.api.get_vendors()
+
+    def get_single_local_object(self, key):
+        assert len(self.key) == 1
+        assert self.key[0] == 'vendorID'
+        return self.api.get_vendor(key[0])
+
     def normalize_local_object(self, vendor):
-        return {
-            'vendorID': str(vendor.id),
-            'vendorName': vendor.name,
-            'vendorAbbreviation': vendor.abbreviation,
-            'discountRate': vendor.discount_rate,
-        }
+        data = dict(vendor)
+
+        # make sure all fields are present
+        self.ensure_fields(data)
+
+        # fix some "empty" values
+        self.fix_empties(data, ['phone', 'fax', 'email'])
+
+        # convert some values to native type
+        data['discountRate'] = float(data['discountRate'])
+
+        return data
 
     def update_object(self, vendor, data, local_data=None):
         """

rattail_corepos/corepos/importing/rattail.py

@@ -30,13 +30,12 @@ from rattail import importing
 from rattail.db import model
 from rattail.util import OrderedDict
 from rattail_corepos.corepos import importing as corepos_importing
-from rattail_corepos.corepos.importing.db.corepos import ToCoreHandler
 
 
 log = logging.getLogger(__name__)
 
 
-class FromRattailToCore(importing.FromRattailHandler, ToCoreHandler):
+class FromRattailToCore(importing.FromRattailHandler):
     """
     Rattail -> CORE-POS export handler
     """
@@ -67,6 +66,9 @@ class VendorImporter(FromRattail, corepos_importing.model.VendorImporter):
         'vendorName',
         'vendorAbbreviation',
         'discountRate',
+        'phone',
+        'fax',
+        'email',
     ]
 
     def normalize_host_object(self, vendor):
@@ -75,9 +77,25 @@ class VendorImporter(FromRattail, corepos_importing.model.VendorImporter):
                         vendor.uuid, vendor.id)
             return
 
-        return {
+        data = {
             'vendorID': vendor.id,
             'vendorName': vendor.name,
             'vendorAbbreviation': vendor.abbreviation,
             'discountRate': float(vendor.special_discount),
         }
+
+        if 'phone' in self.fields:
+            phones = [phone for phone in vendor.phones
+                      if phone.type == 'Voice']
+            data['phone'] = phones[0].number if phones else ''
+
+        if 'fax' in self.fields:
+            phones = [phone for phone in vendor.phones
+                      if phone.type == 'Fax']
+            data['fax'] = phones[0].number if phones else ''
+
+        if 'email' in self.fields:
+            email = vendor.email
+            data['email'] = email.address if email else ''
+
+        return data