mirror of
https://github.com/go-vikunja/vikunja.git
synced 2026-08-31 03:46:56 -05:00
73 lines
2.4 KiB
Go
73 lines
2.4 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-present Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package models
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import (
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"sort"
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"code.vikunja.io/api/pkg/db"
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"github.com/asaskevich/govalidator"
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)
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// The custom validators the models' `valid:` tags reference are registered here
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// rather than in the HTTP layer, so every entry point that validates a model
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// (echo's CustomValidator, /api/v2, MCP) picks them up by importing this package.
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func init() {
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govalidator.TagMap["time"] = func(str string) bool {
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return govalidator.IsTime(str, "15:04")
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}
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// MySQL TEXT tops out far below what PostgreSQL and SQLite accept.
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govalidator.TagMap["dbtext"] = func(str string) bool {
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maxLength := 65000
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if dialect := db.GetDialect(); dialect == "postgres" || dialect == "sqlite3" {
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maxLength = 1048576
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}
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return len(str) <= maxLength
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}
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}
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// StructFieldErrors returns the `valid:` tag failures of i as
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// "<prefix><field>: <message>", or nil if i validates. A failure govalidator
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// reports without naming a field yields an empty but non-nil slice, so callers
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// can still fail closed.
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func StructFieldErrors(i any, prefix string) []string {
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_, err := govalidator.ValidateStruct(i)
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if err == nil {
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return nil
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}
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byField := govalidator.ErrorsByField(err)
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fields := make([]string, 0, len(byField))
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for field, msg := range byField {
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fields = append(fields, prefix+field+": "+msg)
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}
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return fields
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}
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// ValidateStruct reports every `valid:` tag failure as an InvalidFieldError.
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func ValidateStruct(i interface{}) error {
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fields := StructFieldErrors(i, "")
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if fields == nil {
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return nil
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}
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// Map iteration order is non-deterministic; sort for a stable errors[].
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sort.Strings(fields)
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return InvalidFieldError(fields)
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}
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