52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
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package handlers
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import (
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"encoding/json"
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"log/slog"
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"net/http"
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"strconv"
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"github.com/CubeCraft-Creations/Extrudex/backend/internal/dtos"
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"github.com/CubeCraft-Creations/Extrudex/backend/internal/services"
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)
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// writeJSON serializes v as JSON to the response writer with the given status code.
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// Logs an error if encoding fails.
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func writeJSON(w http.ResponseWriter, status int, v interface{}) {
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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(v); err != nil {
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slog.Error("failed to encode JSON response", "error", err)
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}
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}
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// parsePagination reads limit and offset query parameters with defaults of 20 and 0.
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func parsePagination(r *http.Request) (limit, offset int) {
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limit = 20
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offset = 0
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if l := r.URL.Query().Get("limit"); l != "" {
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if parsed, err := strconv.Atoi(l); err == nil && parsed > 0 {
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limit = parsed
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}
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}
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if o := r.URL.Query().Get("offset"); o != "" {
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if parsed, err := strconv.Atoi(o); err == nil && parsed >= 0 {
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offset = parsed
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}
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}
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return
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}
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// ValidateCreateFilamentRequest validates a CreateFilamentRequest DTO.
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// Re-exports the service-layer validator for handler use.
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func ValidateCreateFilamentRequest(req dtos.CreateFilamentRequest) error {
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return services.ValidateCreateFilamentRequest(req)
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}
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// ValidateUpdateFilamentRequest validates an UpdateFilamentRequest DTO.
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// Re-exports the service-layer validator for handler use.
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func ValidateUpdateFilamentRequest(req dtos.UpdateFilamentRequest) error {
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return services.ValidateUpdateFilamentRequest(req)
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}
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