47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package main
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import "fmt"
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// ListOptions specifies general pagination options for fetching a list of results
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type ListOptions struct {
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PerPage int64 `url:",omitempty" json:",omitempty"`
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Page int64 `url:",omitempty" json:",omitempty"`
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Ids []int64 `url:",omitempty" json:",omitempty" schema:"ids[]"`
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Genus string
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}
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func (o ListOptions) PageOrDefault() int64 {
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if o.Page <= 0 {
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return 1
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}
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return o.Page
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}
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func (o ListOptions) Offset() int64 {
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return (o.PageOrDefault() - 1) * o.PerPageOrDefault()
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}
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func (o ListOptions) PerPageOrDefault() int64 {
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if o.PerPage <= 0 {
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return DefaultPerPage
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}
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return o.PerPage
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}
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// DefaultPerPage is the default number of items to return in a paginated result set
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const DefaultPerPage = 10
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func valsIn(attribute string, values []int64, vals *[]interface{}, counter *int64) string {
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if len(values) == 1 {
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return fmt.Sprintf("%v=%v", attribute, values[0])
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}
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m := fmt.Sprintf("%v IN (", attribute)
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for _, id := range values {
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m = m + fmt.Sprintf("$%v,", *counter)
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*vals = append(*vals, id)
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*counter++
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}
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m = m[:len(m)-1] + ")"
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return m
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}
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