Commit 295fc003 authored by Ayush Tiwari's avatar Ayush Tiwari

Business Snapshot: Add check for case where there is no installed snapshot while comparing

parent 4e4e6de0
...@@ -263,6 +263,14 @@ class BusinessSnapshot(Folder): ...@@ -263,6 +263,14 @@ class BusinessSnapshot(Folder):
portal_commits = portal.portal_commits portal_commits = portal.portal_commits
installed_snapshot = portal_commits.getInstalledSnapshot() installed_snapshot = portal_commits.getInstalledSnapshot()
# Create installation process, which have the changes to be made in the
# OFS during installation. Importantly, it should be a temp Business Snapshot
installation_process = portal_commits.newContent(
portal_type='Business Snapshot',
title='Installation Process',
temp_object=True,
)
if installed_snaphot is not in (self, None): if installed_snaphot is not in (self, None):
old_item_list = installed_snapshot.getItemList() old_item_list = installed_snapshot.getItemList()
...@@ -278,23 +286,15 @@ class BusinessSnapshot(Folder): ...@@ -278,23 +286,15 @@ class BusinessSnapshot(Folder):
in old_state_path_list in old_state_path_list
if path not in new_state_path_list] if path not in new_state_path_list]
# Create installation process, which have the changes to be made in the
# OFS during installation. Importantly, it should be a temp Business Snapshot
installation_process = portal_commits.newContent(
portal_type='Business Snapshot',
title='Installation Process',
temp_object=True,
)
# Add the removed path with negative sign in the to_install_path_item_list # Add the removed path with negative sign in the to_install_path_item_list
for path in removed_path_list: for path in removed_path_list:
old_item = installed_snapshot.getBusinessItemByPath(path) old_item = installed_snapshot.getBusinessItemByPath(path)
# XXX: We can't change anything in the objects as they are just there # XXX: We can't change anything in the objects as they are just there
# for comparison and in reality they are hardlinks # for comparison and in reality they are hardlinks
installation_state._setObject(old_item.id, old_item, old_item = old_item._getCopy(installation_process)
installation_process._setObject(old_item.id, old_item,
suppress_events=True) suppress_events=True)
old_item.setProperty('item_sign', '-1') old_item.setProperty('item_sign', '-1')
to_install_path_item_list.append(old_item)
# Path Item List for installation_process should be the difference between # Path Item List for installation_process should be the difference between
# old and new installation state # old and new installation state
...@@ -308,19 +308,21 @@ class BusinessSnapshot(Folder): ...@@ -308,19 +308,21 @@ class BusinessSnapshot(Folder):
# If the old_item exists, we match the hashes and if it differs, then # If the old_item exists, we match the hashes and if it differs, then
# add the new item # add the new item
if old_item.getProperty('item_sha') != item.getProperty('item_sha'): if old_item.getProperty('item_sha') != item.getProperty('item_sha'):
installation_state._setObject(to_be_installed_item.id, to_be_installed_item = to_be_installed_item._getCopy(installation_process)
installation_process._setObject(to_be_installed_item.id,
to_be_installed_item, to_be_installed_item,
suppress_events=True) suppress_events=True)
else: else:
installation_state._setObject(item.id, item, installation_process._setObject(item.id, item,
suppress_events=True) suppress_events=True)
# If there is no snapshot installed, everything in new snapshot should be # If there is no snapshot installed, everything in new snapshot should be
# just compared to ZODB state. # just compared to ZODB state.
else: else:
# TODO: ADD COMPARISON FOR NO SNAPSHOT INSTALLED for item in self.objectValues():
pass item = item._getCopy(installation_process)
installation_process._setObject(item.id, item, suppress_event=True)
change_list = self.compareOldStateToOFS(installation_process, installed_snapshot) change_list = self.compareOldStateToOFS(installation_process, installed_snapshot)
...@@ -332,7 +334,7 @@ class BusinessSnapshot(Folder): ...@@ -332,7 +334,7 @@ class BusinessSnapshot(Folder):
def compareOldStateToOFS(self, installation_process, installed_snapshot): def compareOldStateToOFS(self, installation_process, installed_snapshot):
# Get the paths about which we are concerned about # Get the paths about which we are concerned about
to_update_path_list = installation_process.getPathList() to_update_path_list = installation_process.getItemPathList()
portal = self.getPortalObject() portal = self.getPortalObject()
# List to store what changes will be done to which path. Here we compare # List to store what changes will be done to which path. Here we compare
...@@ -346,37 +348,6 @@ class BusinessSnapshot(Folder): ...@@ -346,37 +348,6 @@ class BusinessSnapshot(Folder):
# Better to check for status of BusinessPatchItem separately as it # Better to check for status of BusinessPatchItem separately as it
# can contain both BusinessItem as well as BusinessPropertyItem # can contain both BusinessItem as well as BusinessPropertyItem
new_item = installation_process.getBusinessItemByPath(path) new_item = installation_process.getBusinessItemByPath(path)
if new_item.getPortalType() == 'Business Patch Item':
patch_item = new_item
# If the value is in ZODB, then compare it to the old_value
if '#' in str(path):
isProperty = True
relative_url, property_id = path.split('#')
obj = portal.restrictedTraverse(relative_url)
property_value = obj.getProperty(property_id)
if not property_value:
raise KeyError
property_type = obj.getPropertyType(property_id)
obj = property_value
else:
# If the path is path on an object and not of a property
isProperty = False
obj = portal.restictedTraverse(path)
obj_sha = self.calculateComparableHash(obj, isProperty)
# Get the sha of new_item from the BusinessPatchItem object
new_item_sha = patch_item._getOb('new_item').getProperty('item_sha')
old_item_sha = patch_item._getOb('old_item').getProperty('item_sha')
if new_item_sha == obj_sha:
# If the new_item in the patch is same as the one at ZODB, do
# nothing
continue
elif old_item_sha == obj_sha:
change_list.append((patch_item._getOb('new_item'), 'Adding'))
else:
change_list.append((patch_item._getOb('new_item'), 'Removing'))
if '#' in str(path): if '#' in str(path):
isProperty = True isProperty = True
...@@ -410,9 +381,12 @@ class BusinessSnapshot(Folder): ...@@ -410,9 +381,12 @@ class BusinessSnapshot(Folder):
obj_sha = self.calculateComparableHash(obj, isProperty) obj_sha = self.calculateComparableHash(obj, isProperty)
# Get item at old state # Get item at old state
old_item = installed_snapshot.getBusinessItemByPath(path) if not installed_snapshot:
# Check if there is an object at old state at this path old_item = None
else:
old_item = installed_snapshot.getBusinessItemByPath(path)
# Check if there is an object at old state at this path
if old_item: if old_item:
# Compare hash with ZODB # Compare hash with ZODB
...@@ -461,9 +435,12 @@ class BusinessSnapshot(Folder): ...@@ -461,9 +435,12 @@ class BusinessSnapshot(Folder):
except (AttributeError, KeyError) as e: except (AttributeError, KeyError) as e:
# Get item at old state # Get item at old state
old_item = installed_snapshot.getBusinessItemByPath(path) if not installed_snapshot:
# Check if there is an object at old state at this path old_item = None
else:
old_item = installed_snapshot.getBusinessItemByPath(path)
# Check if there is an object at old state at this path
if old_item: if old_item:
# This means that the user had removed the object at this path # This means that the user had removed the object at this path
# Check what the sign is for the new_item # Check what the sign is for the new_item
......
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