6dac34e373
Major changes: - Migrate all handlers from Gin to Echo framework - Add new apperrors, echohelpers, and validator packages - Update middleware for Echo compatibility - Add ArchivedHandler to task categorization chain (archived tasks go to cancelled_tasks column) - Add 6 new integration tests: - RecurringTaskLifecycle: NextDueDate advancement for weekly/monthly tasks - MultiUserSharing: Complex sharing with user removal - TaskStateTransitions: All state transitions and kanban column changes - DateBoundaryEdgeCases: Threshold boundary testing - CascadeOperations: Residence deletion cascade effects - MultiUserOperations: Shared residence collaboration - Add single-purpose repository functions for kanban columns (GetOverdueTasks, GetDueSoonTasks, etc.) - Fix RemoveUser route param mismatch (userId -> user_id) - Fix determineExpectedColumn helper to correctly prioritize in_progress over overdue 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
package validator
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import (
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"net/http"
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"reflect"
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"strings"
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"github.com/go-playground/validator/v10"
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"github.com/labstack/echo/v4"
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)
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// CustomValidator wraps go-playground/validator for Echo
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type CustomValidator struct {
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validator *validator.Validate
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}
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// NewCustomValidator creates a new validator instance
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func NewCustomValidator() *CustomValidator {
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v := validator.New()
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// Use JSON tag names for field names in errors
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v.RegisterTagNameFunc(func(fld reflect.StructField) string {
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name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]
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if name == "-" {
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return ""
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}
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return name
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})
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return &CustomValidator{validator: v}
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}
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// Validate implements echo.Validator interface
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func (cv *CustomValidator) Validate(i interface{}) error {
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if err := cv.validator.Struct(i); err != nil {
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return err
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}
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return nil
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}
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// ValidationErrorResponse is the structured error response format
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type ValidationErrorResponse struct {
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Error string `json:"error"`
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Fields map[string]FieldError `json:"fields,omitempty"`
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}
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// FieldError represents a single field validation error
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type FieldError struct {
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Message string `json:"message"`
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Tag string `json:"tag"`
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}
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// FormatValidationErrors converts validator errors to structured response
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func FormatValidationErrors(err error) *ValidationErrorResponse {
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if validationErrors, ok := err.(validator.ValidationErrors); ok {
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fields := make(map[string]FieldError)
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for _, fe := range validationErrors {
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fieldName := fe.Field()
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fields[fieldName] = FieldError{
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Message: formatMessage(fe),
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Tag: fe.Tag(),
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}
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}
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return &ValidationErrorResponse{
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Error: "Validation failed",
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Fields: fields,
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}
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}
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return &ValidationErrorResponse{Error: err.Error()}
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}
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// HTTPError returns an echo.HTTPError with validation details
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func HTTPError(c echo.Context, err error) error {
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return c.JSON(http.StatusBadRequest, FormatValidationErrors(err))
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}
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func formatMessage(fe validator.FieldError) string {
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switch fe.Tag() {
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case "required":
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return "This field is required"
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case "required_without":
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return "This field is required when " + fe.Param() + " is not provided"
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case "required_with":
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return "This field is required when " + fe.Param() + " is provided"
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case "email":
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return "Must be a valid email address"
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case "min":
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return "Must be at least " + fe.Param() + " characters"
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case "max":
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return "Must be at most " + fe.Param() + " characters"
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case "len":
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return "Must be exactly " + fe.Param() + " characters"
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case "oneof":
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return "Must be one of: " + fe.Param()
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case "url":
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return "Must be a valid URL"
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case "uuid":
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return "Must be a valid UUID"
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default:
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return "Invalid value"
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}
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}
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