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sorting.go
41 lines (36 loc) · 1.06 KB
/
sorting.go
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package api
import (
"fmt"
"net/http"
"strings"
"github.com/netlify/gotrue/models"
)
func sort(r *http.Request, allowedFields map[string]bool, defaultSort []models.SortField) (*models.SortParams, error) {
sortParams := &models.SortParams{
Fields: defaultSort,
}
urlParams := r.URL.Query()
if values, exists := urlParams["sort"]; exists && len(values) > 0 {
sortParams.Fields = []models.SortField{}
for _, value := range values {
parts := strings.SplitN(value, " ", 2)
field := parts[0]
if _, ok := allowedFields[field]; !ok {
return nil, fmt.Errorf("bad field for sort '%v'", field)
}
dir := models.Descending
if len(parts) > 1 {
switch strings.ToUpper(parts[1]) {
case string(models.Ascending):
dir = models.Ascending
case string(models.Descending):
dir = models.Descending
default:
return nil, fmt.Errorf("bad direction for sort '%v', only 'asc' and 'desc' allowed", parts[1])
}
}
sortParams.Fields = append(sortParams.Fields, models.SortField{Name: field, Dir: dir})
}
}
return sortParams, nil
}