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Code Releases Activity

Support for document versioning

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This commit is contained in:
sauls8t 2018-03-19 12:24:58 +00:00
parent bc2cab5721
commit a7a82d9fe3
9 changed files with 158 additions and 110 deletions
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30
domain/document/document.go
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@ -65,7 +65,6 @@ func FilterCategoryProtected(docs []doc.Document, cats []category.Category, memb
// CopyDocument clones an existing document
func CopyDocument(ctx domain.RequestContext, s domain.Store, documentID string) (newDocumentID string, err error) {
doc, err := s.Document.Get(ctx, documentID)
if err != nil {
err = errors.Wrap(err, "unable to fetch existing document")
@ -145,3 +144,32 @@ func CopyDocument(ctx domain.RequestContext, s domain.Store, documentID string)
return
}
// FilterLastVersion returns the latest version of each document
// by removing all previous versions.
// If a document is not versioned, it is returned as-is.
func FilterLastVersion(docs []doc.Document) (filtered []doc.Document) {
filtered = []doc.Document{}
prev := make(map[string]bool)
for _, doc := range docs {
add := false
if doc.GroupID == "" {
add = true
} else {
if _, isExisting := prev[doc.GroupID]; !isExisting {
add = true
prev[doc.GroupID] = true
} else {
add = false
}
}
if add {
filtered = append(filtered, doc)
}
}
return
}