59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
package v1
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import (
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"encoding/json"
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"net/http"
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"net/url"
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"strconv"
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)
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// writeJSON writes a JSON response
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func writeJSON(w http.ResponseWriter, status int, data any) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(status)
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if err := json.NewEncoder(w).Encode(data); err != nil {
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writeJSONError(w, http.StatusInternalServerError, "Failed to encode response")
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}
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}
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// writeJSONError writes a JSON error response
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func writeJSONError(w http.ResponseWriter, status int, message string) {
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writeJSON(w, status, ErrorResponse{
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Code: status,
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Message: message,
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})
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}
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// QueryParams represents parsed query parameters
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type QueryParams struct {
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Page int64
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Limit int64
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Search *string
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}
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// parseQueryParams parses URL query parameters
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func parseQueryParams(query url.Values, defaultLimit int64) QueryParams {
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page, _ := strconv.ParseInt(query.Get("page"), 10, 64)
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if page == 0 {
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page = 1
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}
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limit, _ := strconv.ParseInt(query.Get("limit"), 10, 64)
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if limit == 0 {
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limit = defaultLimit
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}
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search := query.Get("search")
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var searchPtr *string
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if search != "" {
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searchPtr = ptrOf("%" + search + "%")
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}
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return QueryParams{
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Page: page,
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Limit: limit,
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Search: searchPtr,
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}
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}
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// ptrOf returns a pointer to the given value
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func ptrOf[T any](v T) *T {
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return &v
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} |