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Add 'additive fields' concept to merge diff preview

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This commit is contained in:
Lance Edgar 2016-11-10 17:13:46 -06:00
parent 7dd19c6d87
commit fe978a9bd2
1 changed files with 10 additions and 0 deletions
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10
tailbone/views/master.py
View file

@ -413,6 +413,11 @@ class MasterView(View):
return self.merge_coalesce_fields return self.merge_coalesce_fields
return [] return []
def get_merge_additive_fields(self):
if hasattr(self, 'merge_additive_fields'):
return self.merge_additive_fields
return []
def merge(self): def merge(self):
""" """
Preview and execute a merge of two records. Preview and execute a merge of two records.
@ -463,6 +468,11 @@ class MasterView(View):
for field in self.get_merge_coalesce_fields(): for field in self.get_merge_coalesce_fields():
if remove[field] and not keep[field]: if remove[field] and not keep[field]:
result[field] = remove[field] result[field] = remove[field]
for field in self.get_merge_additive_fields():
if isinstance(keep[field], (list, tuple)):
result[field] = sorted(set(remove[field] + keep[field]))
else:
result[field] = remove[field] + keep[field]
return result return result
def merge_objects(self, removing, keeping): def merge_objects(self, removing, keeping):