mirror of https://github.com/coder/coder.git
58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package coderd
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import (
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"fmt"
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"net/http"
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"strconv"
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"github.com/google/uuid"
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"github.com/coder/coder/coderd/httpapi"
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"github.com/coder/coder/codersdk"
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)
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// parsePagination extracts pagination query params from the http request.
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// If an error is encountered, the error is written to w and ok is set to false.
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func parsePagination(w http.ResponseWriter, r *http.Request) (p codersdk.Pagination, ok bool) {
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var (
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afterID = uuid.Nil
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limit = -1 // Default to no limit and return all results.
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offset = 0
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)
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var err error
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if s := r.URL.Query().Get("after_id"); s != "" {
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afterID, err = uuid.Parse(r.URL.Query().Get("after_id"))
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if err != nil {
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httpapi.Write(w, http.StatusBadRequest, httpapi.Response{
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Message: fmt.Sprintf("after_id must be a valid uuid: %s", err.Error()),
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})
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return p, false
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}
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}
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if s := r.URL.Query().Get("limit"); s != "" {
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limit, err = strconv.Atoi(s)
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if err != nil {
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httpapi.Write(w, http.StatusBadRequest, httpapi.Response{
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Message: fmt.Sprintf("limit must be an integer: %s", err.Error()),
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})
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return p, false
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}
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}
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if s := r.URL.Query().Get("offset"); s != "" {
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offset, err = strconv.Atoi(s)
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if err != nil {
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httpapi.Write(w, http.StatusBadRequest, httpapi.Response{
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Message: fmt.Sprintf("offset must be an integer: %s", err.Error()),
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})
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return p, false
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}
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}
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return codersdk.Pagination{
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AfterID: afterID,
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Limit: limit,
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Offset: offset,
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}, true
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}
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