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pagination.go
32 lines (27 loc) · 942 Bytes
/
pagination.go
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package coderd
import (
"net/http"
"github.com/google/uuid"
"github.com/coder/coder/coderd/httpapi"
"github.com/coder/coder/codersdk"
)
// parsePagination extracts pagination query params from the http request.
// If an error is encountered, the error is written to w and ok is set to false.
func parsePagination(w http.ResponseWriter, r *http.Request) (p codersdk.Pagination, ok bool) {
queryParams := r.URL.Query()
parser := httpapi.NewQueryParamParser()
params := codersdk.Pagination{
AfterID: parser.UUID(queryParams, uuid.Nil, "after_id"),
// Limit default to "-1" which returns all results
Limit: parser.Int(queryParams, -1, "limit"),
Offset: parser.Int(queryParams, 0, "offset"),
}
if len(parser.Errors) > 0 {
httpapi.Write(w, http.StatusBadRequest, httpapi.Response{
Message: "Query parameters have invalid values.",
Validations: parser.Errors,
})
return params, false
}
return params, true
}