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Fix paginate functionality and separate it from the GetOpts func

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This commit is contained in:
ionutboangiu
2022-01-07 15:24:41 +02:00
committed by Dan Christian Bogos
parent fcddec1c4c
commit dd21ff3ea8
1 changed files with 21 additions and 13 deletions
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34
utils/apitpdata.go
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@@ -63,11 +63,7 @@ func (pgnt *Paginator) PaginateStringSlice(in []string) (out []string) {
return CloneStringSlice(in[offset:limit])
}
func Paginate(in []string, opts map[string]interface{}) (out []string, err error) {
if len(in) == 0 {
return
}
var limit, offset, maxItems int
func GetPaginateOpts(opts map[string]interface{}) (limit, offset, maxItems int, err error) {
if limitIface, has := opts[PageLimitOpt]; has {
if limit, err = IfaceAsTInt(limitIface); err != nil {
return
@@ -83,22 +79,34 @@ func Paginate(in []string, opts map[string]interface{}) (out []string, err error
return
}
}
return
}
func Paginate(in []string, limit, offset, maxItems int) (out []string, err error) {
if len(in) == 0 {
return
}
if maxItems != 0 && maxItems < limit+offset {
return nil, fmt.Errorf("SERVER_ERROR: maximum number of items exceeded")
}
if limit == 0 && offset == 0 {
return in, nil
}
if offset > len(in) {
return
}
if offset != 0 && limit != 0 {
limit = limit + offset
if limit == 0 && offset == 0 {
out = in
} else {
if offset != 0 && limit != 0 {
limit = limit + offset
}
if limit == 0 || limit > len(in) {
limit = len(in)
}
out = in[offset:limit]
}
if limit == 0 || limit > len(in) {
limit = len(in)
if maxItems != 0 && maxItems < len(out)+offset {
return nil, fmt.Errorf("SERVER_ERROR: maximum number of items exceeded")
}
return in[offset:limit], nil
return
}
// Clone creates a clone of the object