validation.AtLeastOneOf - Code Metrics - Inspection of "validation groups" - muonsoft/validation - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — main (#68)

by Igor

created 2022-01-27 17:47 UTC

validation.AtLeastOneOf A

↳ Parent: contraint.go

Complexity

Conditions

Size

Total Lines	2
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nop	1
dl	0
loc	2
ccs	1
cts	1
cp	1
crap	1
rs	10
c	0
b	0
f	0

package validation

import (
	"time"

	"github.com/muonsoft/validation/code"
	"github.com/muonsoft/validation/generic"
	"github.com/muonsoft/validation/message"
)

// Constraint is the base interface to build validation constraints.
type Constraint interface {
	Option
	// Name is a constraint name that can be used in internal errors.
	Name() string
}

// NilConstraint is used for constraints that need to check value for nil. In common case
// you do not need to implement it in your constraints because nil values should be ignored.
type NilConstraint interface {
	Constraint
	ValidateNil(scope Scope) error
}

// BoolConstraint is used to build constraints for boolean values validation.
type BoolConstraint interface {
	Constraint
	ValidateBool(value *bool, scope Scope) error
}

// NumberConstraint is used to build constraints for numeric values validation.
//
// At this moment working with numbers is based on reflection.
// Be aware. This constraint is subject to be changed after generics implementation in Go.
type NumberConstraint interface {
	Constraint
	ValidateNumber(value generic.Number, scope Scope) error
}

// StringConstraint is used to build constraints for string values validation.
type StringConstraint interface {
	Constraint
	ValidateString(value *string, scope Scope) error
}

// StringsConstraint is used to build constraints to validate an array or a slice of strings.
type StringsConstraint interface {
	Constraint
	ValidateStrings(values []string, scope Scope) error
}

// IterableConstraint is used to build constraints for validation of iterables (arrays, slices, or maps).
//
// At this moment working with numbers is based on reflection.
// Be aware. This constraint is subject to be changed after generics implementation in Go.
type IterableConstraint interface {
	Constraint
	ValidateIterable(value generic.Iterable, scope Scope) error
}

// CountableConstraint is used to build constraints for simpler validation of iterable elements count.
type CountableConstraint interface {
	Constraint
	ValidateCountable(count int, scope Scope) error
}

// TimeConstraint is used to build constraints for date/time validation.
type TimeConstraint interface {
	Constraint
	ValidateTime(value *time.Time, scope Scope) error
}

type controlConstraint interface {
	validate(scope Scope, validate ValidateByConstraintFunc) (*ViolationList, error)
}

// CustomStringConstraint can be used to create custom constraints for validating string values
// based on function with signature func(string) bool.
type CustomStringConstraint struct {
	isIgnored         bool
	isValid           func(string) bool
	groups            []string
	name              string
	code              string
	messageTemplate   string
	messageParameters TemplateParameterList
}

// NewCustomStringConstraint creates a new string constraint from a function with signature func(string) bool.
// Optional parameters can be used to set up constraint name (first parameter), violation code (second),
// message template (third). All other parameters are ignored.
func NewCustomStringConstraint(isValid func(string) bool, parameters ...string) CustomStringConstraint {
	constraint := CustomStringConstraint{
		isValid:         isValid,
		name:            "CustomStringConstraint",
		code:            code.NotValid,
		messageTemplate: message.Templates[code.NotValid],
	}

	if len(parameters) > 0 {
		constraint.name = parameters[0]
	}
	if len(parameters) > 1 {
		constraint.code = parameters[1]
	}
	if len(parameters) > 2 {
		constraint.messageTemplate = parameters[2]
	}

	return constraint
}

// SetUp always returns no error.
func (c CustomStringConstraint) SetUp() error {
	return nil
}

// Name is the constraint name. It can be set via first parameter of function NewCustomStringConstraint.
func (c CustomStringConstraint) Name() string {
	return c.name
}

// Code overrides default code for produced violation.
func (c CustomStringConstraint) Code(code string) CustomStringConstraint {
	c.code = code
	return c
}

// Message sets the violation message template. You can set custom template parameters
// for injecting its values into the final message. Also, you can use default parameters:
//
//	{{ value }} - the current (invalid) value.
func (c CustomStringConstraint) Message(template string, parameters ...TemplateParameter) CustomStringConstraint {
	c.messageTemplate = template
	c.messageParameters = parameters
	return c
}

// When enables conditional validation of this constraint. If the expression evaluates to false,
// then the constraint will be ignored.
func (c CustomStringConstraint) When(condition bool) CustomStringConstraint {
	c.isIgnored = !condition
	return c
}

// WhenGroups enables conditional validation of the constraint by using the validation groups.
func (c CustomStringConstraint) WhenGroups(groups ...string) CustomStringConstraint {
	c.groups = groups
	return c
}

func (c CustomStringConstraint) ValidateString(value *string, scope Scope) error {
	if c.isIgnored || scope.IsIgnored(c.groups...) || value == nil || *value == "" || c.isValid(*value) {
		return nil
	}

	return scope.BuildViolation(c.code, c.messageTemplate).
		SetParameters(
			c.messageParameters.Prepend(
				TemplateParameter{Key: "{{ value }}", Value: *value},
			)...,
		).
		AddParameter("{{ value }}", *value).
		CreateViolation()
}

// ConditionalConstraint is used for conditional validation.
// Use the When function to initiate a conditional check.
// If the condition is true, then the constraints passed through the Then function will be applied.
// Otherwise, the constraints passed through the Else function will apply.
type ConditionalConstraint struct {
	condition       bool
	thenConstraints []Constraint
	elseConstraints []Constraint
}

// When function is used to initiate conditional validation.
// If the condition is true, then the constraints passed through the Then function will be applied.
// Otherwise, the constraints passed through the Else function will apply.
func When(condition bool) ConditionalConstraint {
	return ConditionalConstraint{condition: condition}
}

// Then function is used to set a sequence of constraints to be applied if the condition is true.
// If the list is empty error will be returned.
func (c ConditionalConstraint) Then(constraints ...Constraint) ConditionalConstraint {
	c.thenConstraints = constraints
	return c
}

// Else function is used to set a sequence of constraints to be applied if a condition is false.
func (c ConditionalConstraint) Else(constraints ...Constraint) ConditionalConstraint {
	c.elseConstraints = constraints
	return c
}

// SetUp will return an error if Then function did not set any constraints.
func (c ConditionalConstraint) SetUp() error {
	if len(c.thenConstraints) == 0 {
		return errThenBranchNotSet
	}

	return nil
}

// Name is the constraint name.
func (c ConditionalConstraint) Name() string {
	return "ConditionalConstraint"
}

func (c ConditionalConstraint) validate(
	scope Scope,
	validate ValidateByConstraintFunc,
) (*ViolationList, error) {
	violations := &ViolationList{}
	var constraints []Constraint

	if c.condition {
		constraints = c.thenConstraints
	} else {
		constraints = c.elseConstraints
	}

	for _, constraint := range constraints {
		err := violations.AppendFromError(validate(constraint, scope))
		if err != nil {
			return nil, err
		}
	}

	return violations, nil
}

// SequentialConstraint is used to set constraints allowing to interrupt the validation once
// the first violation is raised.
type SequentialConstraint struct {
	isIgnored   bool
	groups      []string
	constraints []Constraint
}

// Sequentially function used to set of constraints that should be validated step-by-step.
// If the list is empty error will be returned.
func Sequentially(constraints ...Constraint) SequentialConstraint {
	return SequentialConstraint{constraints: constraints}
}

// SetUp will return an error if the list of constraints is empty.
func (c SequentialConstraint) SetUp() error {
	if len(c.constraints) == 0 {
		return errSequentiallyConstraintsNotSet
	}
	return nil
}

// Name is the constraint name.
func (c SequentialConstraint) Name() string {
	return "SequentialConstraint"
}

// When enables conditional validation of this constraint. If the expression evaluates to false,
// then the constraint will be ignored.
func (c SequentialConstraint) When(condition bool) SequentialConstraint {
	c.isIgnored = !condition
	return c
}

// WhenGroups enables conditional validation of the constraint by using the validation groups.
func (c SequentialConstraint) WhenGroups(groups ...string) SequentialConstraint {
	c.groups = groups
	return c
}

func (c SequentialConstraint) validate(
	scope Scope,
	validate ValidateByConstraintFunc,
) (*ViolationList, error) {
	if c.isIgnored || scope.IsIgnored(c.groups...) {
		return nil, nil
	}

	violations := &ViolationList{}

	for _, constraint := range c.constraints {
		err := violations.AppendFromError(validate(constraint, scope))
		if err != nil {
			return nil, err
		} else if violations.len > 0 {
			return violations, nil
		}
	}

	return violations, nil
}

// AtLeastOneOfConstraint is used to set constraints allowing checks that the value satisfies
// at least one of the given constraints.
// The validation stops as soon as one constraint is satisfied.
type AtLeastOneOfConstraint struct {
	isIgnored   bool
	groups      []string
	constraints []Constraint
}

// AtLeastOneOf function used to set of constraints that the value satisfies at least one of the given constraints.
// If the list is empty error will be returned.
func AtLeastOneOf(constraints ...Constraint) AtLeastOneOfConstraint {
	return AtLeastOneOfConstraint{constraints: constraints}
}

// SetUp will return an error if the list of constraints is empty.
func (c AtLeastOneOfConstraint) SetUp() error {
	if len(c.constraints) == 0 {
		return errAtLeastOneOfConstraintsNotSet
	}
	return nil
}

// Name is the constraint name.
func (c AtLeastOneOfConstraint) Name() string {
	return "AtLeastOneOfConstraint"
}

// When enables conditional validation of this constraint. If the expression evaluates to false,
// then the constraint will be ignored.
func (c AtLeastOneOfConstraint) When(condition bool) AtLeastOneOfConstraint {
	c.isIgnored = !condition
	return c
}

// WhenGroups enables conditional validation of the constraint by using the validation groups.
func (c AtLeastOneOfConstraint) WhenGroups(groups ...string) AtLeastOneOfConstraint {
	c.groups = groups
	return c
}

func (c AtLeastOneOfConstraint) validate(
	scope Scope,
	validate ValidateByConstraintFunc,
) (*ViolationList, error) {
	if c.isIgnored || scope.IsIgnored(c.groups...) {
		return nil, nil
	}

	violations := &ViolationList{}

	for _, constraint := range c.constraints {
		violation := validate(constraint, scope)
		if violation == nil {
			return nil, nil
		}

		err := violations.AppendFromError(violation)
		if err != nil {
			return nil, err
		}
	}

	return violations, nil
}

// CompoundConstraint is used to create your own set of reusable constraints, representing rules to use consistently.
type CompoundConstraint struct {
	isIgnored   bool
	groups      []string
	constraints []Constraint
}

// Compound function used to create set of reusable constraints.
// If the list is empty error will be returned.
func Compound(constraints ...Constraint) CompoundConstraint {
	return CompoundConstraint{constraints: constraints}
}

// SetUp will return an error if the list of constraints is empty.
func (c CompoundConstraint) SetUp() error {
	if len(c.constraints) == 0 {
		return errCompoundConstraintsNotSet
	}
	return nil
}

// Name is the constraint name.
func (c CompoundConstraint) Name() string {
	return "CompoundConstraint"
}

// When enables conditional validation of this constraint. If the expression evaluates to false,
// then the constraint will be ignored.
func (c CompoundConstraint) When(condition bool) CompoundConstraint {
	c.isIgnored = !condition
	return c
}

// WhenGroups enables conditional validation of the constraint by using the validation groups.
func (c CompoundConstraint) WhenGroups(groups ...string) CompoundConstraint {
	c.groups = groups
	return c
}

func (c CompoundConstraint) validate(
	scope Scope,
	validate ValidateByConstraintFunc,
) (*ViolationList, error) {
	if c.isIgnored || scope.IsIgnored(c.groups...) {
		return nil, nil
	}

	violations := &ViolationList{}

	for _, constraint := range c.constraints {
		err := violations.AppendFromError(validate(constraint, scope))
		if err != nil {
			return nil, err
		}
	}

	return violations, nil
}

type notFoundConstraint struct {
	key string
}

func (c notFoundConstraint) SetUp() error {
	return ConstraintNotFoundError{Key: c.key}
}

func (c notFoundConstraint) Name() string {
	return "notFoundConstraint"
}


1		package validation
2
3		import (
4		"time"
5
6		"github.com/muonsoft/validation/code"
7		"github.com/muonsoft/validation/generic"
8		"github.com/muonsoft/validation/message"
9		)
10
11		// Constraint is the base interface to build validation constraints.
12		type Constraint interface {
13		Option
14		// Name is a constraint name that can be used in internal errors.
15		Name() string
16		}
17
18		// NilConstraint is used for constraints that need to check value for nil. In common case
19		// you do not need to implement it in your constraints because nil values should be ignored.
20		type NilConstraint interface {
21		Constraint
22		ValidateNil(scope Scope) error
23		}
24
25		// BoolConstraint is used to build constraints for boolean values validation.
26		type BoolConstraint interface {
27		Constraint
28		ValidateBool(value *bool, scope Scope) error
29		}
30
31		// NumberConstraint is used to build constraints for numeric values validation.
32		//
33		// At this moment working with numbers is based on reflection.
34		// Be aware. This constraint is subject to be changed after generics implementation in Go.
35		type NumberConstraint interface {
36		Constraint
37		ValidateNumber(value generic.Number, scope Scope) error
38		}
39
40		// StringConstraint is used to build constraints for string values validation.
41		type StringConstraint interface {
42		Constraint
43		ValidateString(value *string, scope Scope) error
44		}
45
46		// StringsConstraint is used to build constraints to validate an array or a slice of strings.
47		type StringsConstraint interface {
48		Constraint
49		ValidateStrings(values []string, scope Scope) error
50		}
51
52		// IterableConstraint is used to build constraints for validation of iterables (arrays, slices, or maps).
53		//
54		// At this moment working with numbers is based on reflection.
55		// Be aware. This constraint is subject to be changed after generics implementation in Go.
56		type IterableConstraint interface {
57		Constraint
58		ValidateIterable(value generic.Iterable, scope Scope) error
59		}
60
61		// CountableConstraint is used to build constraints for simpler validation of iterable elements count.
62		type CountableConstraint interface {
63		Constraint
64		ValidateCountable(count int, scope Scope) error
65		}
66
67		// TimeConstraint is used to build constraints for date/time validation.
68		type TimeConstraint interface {
69		Constraint
70		ValidateTime(value *time.Time, scope Scope) error
71		}
72
73		type controlConstraint interface {
74		validate(scope Scope, validate ValidateByConstraintFunc) (*ViolationList, error)
75		}
76
77		// CustomStringConstraint can be used to create custom constraints for validating string values
78		// based on function with signature func(string) bool.
79		type CustomStringConstraint struct {
80		isIgnored bool
81		isValid func(string) bool
82		groups []string
83		name string
84		code string
85		messageTemplate string
86		messageParameters TemplateParameterList
87		}
88
89		// NewCustomStringConstraint creates a new string constraint from a function with signature func(string) bool.
90		// Optional parameters can be used to set up constraint name (first parameter), violation code (second),
91		// message template (third). All other parameters are ignored.
92		func NewCustomStringConstraint(isValid func(string) bool, parameters ...string) CustomStringConstraint {
93	1	constraint := CustomStringConstraint{
94		isValid: isValid,
95		name: "CustomStringConstraint",
96		code: code.NotValid,
97		messageTemplate: message.Templates[code.NotValid],
98		}
99
100	1	if len(parameters) > 0 {
101	1	constraint.name = parameters[0]
102		}
103	1	if len(parameters) > 1 {
104	1	constraint.code = parameters[1]
105		}
106	1	if len(parameters) > 2 {
107	1	constraint.messageTemplate = parameters[2]
108		}
109
110	1	return constraint
111		}
112
113		// SetUp always returns no error.
114		func (c CustomStringConstraint) SetUp() error {
115	1	return nil
116		}
117
118		// Name is the constraint name. It can be set via first parameter of function NewCustomStringConstraint.
119		func (c CustomStringConstraint) Name() string {
120	1	return c.name
121		}
122
123		// Code overrides default code for produced violation.
124		func (c CustomStringConstraint) Code(code string) CustomStringConstraint {
125	1	c.code = code
126	1	return c
127		}
128
129		// Message sets the violation message template. You can set custom template parameters
130		// for injecting its values into the final message. Also, you can use default parameters:
131		//
132		// {{ value }} - the current (invalid) value.
133		func (c CustomStringConstraint) Message(template string, parameters ...TemplateParameter) CustomStringConstraint {
134	1	c.messageTemplate = template
135	1	c.messageParameters = parameters
136	1	return c
137		}
138
139		// When enables conditional validation of this constraint. If the expression evaluates to false,
140		// then the constraint will be ignored.
141		func (c CustomStringConstraint) When(condition bool) CustomStringConstraint {
142	1	c.isIgnored = !condition
143	1	return c
144		}
145
146		// WhenGroups enables conditional validation of the constraint by using the validation groups.
147		func (c CustomStringConstraint) WhenGroups(groups ...string) CustomStringConstraint {
148	1	c.groups = groups
149	1	return c
150		}
151
152		func (c CustomStringConstraint) ValidateString(value *string, scope Scope) error {
153	1	if c.isIgnored \|\| scope.IsIgnored(c.groups...) \|\| value == nil \|\| value == "" \|\| c.isValid(value) {
154	1	return nil
155		}
156
157	1	return scope.BuildViolation(c.code, c.messageTemplate).
158		SetParameters(
159		c.messageParameters.Prepend(
160		TemplateParameter{Key: "{{ value }}", Value: *value},
161		)...,
162		).
163		AddParameter("{{ value }}", *value).
164		CreateViolation()
165		}
166
167		// ConditionalConstraint is used for conditional validation.
168		// Use the When function to initiate a conditional check.
169		// If the condition is true, then the constraints passed through the Then function will be applied.
170		// Otherwise, the constraints passed through the Else function will apply.
171		type ConditionalConstraint struct {
172		condition bool
173		thenConstraints []Constraint
174		elseConstraints []Constraint
175		}
176
177		// When function is used to initiate conditional validation.
178		// If the condition is true, then the constraints passed through the Then function will be applied.
179		// Otherwise, the constraints passed through the Else function will apply.
180		func When(condition bool) ConditionalConstraint {
181	1	return ConditionalConstraint{condition: condition}
182		}
183
184		// Then function is used to set a sequence of constraints to be applied if the condition is true.
185		// If the list is empty error will be returned.
186		func (c ConditionalConstraint) Then(constraints ...Constraint) ConditionalConstraint {
187	1	c.thenConstraints = constraints
188	1	return c
189		}
190
191		// Else function is used to set a sequence of constraints to be applied if a condition is false.
192		func (c ConditionalConstraint) Else(constraints ...Constraint) ConditionalConstraint {
193	1	c.elseConstraints = constraints
194	1	return c
195		}
196
197		// SetUp will return an error if Then function did not set any constraints.
198		func (c ConditionalConstraint) SetUp() error {
199	1	if len(c.thenConstraints) == 0 {
200	1	return errThenBranchNotSet
201		}
202
203	1	return nil
204		}
205
206		// Name is the constraint name.
207		func (c ConditionalConstraint) Name() string {
208	1	return "ConditionalConstraint"
209		}
210
211		func (c ConditionalConstraint) validate(
212		scope Scope,
213		validate ValidateByConstraintFunc,
214		) (*ViolationList, error) {
215	1	violations := &ViolationList{}
216	1	var constraints []Constraint
217
218	1	if c.condition {
219	1	constraints = c.thenConstraints
220		} else {
221	1	constraints = c.elseConstraints
222		}
223
224	1	for _, constraint := range constraints {
225	1	err := violations.AppendFromError(validate(constraint, scope))
226	1	if err != nil {
227		return nil, err
228		}
229		}
230
231	1	return violations, nil
232		}
233
234		// SequentialConstraint is used to set constraints allowing to interrupt the validation once
235		// the first violation is raised.
236		type SequentialConstraint struct {
237		isIgnored bool
238		groups []string
239		constraints []Constraint
240		}
241
242		// Sequentially function used to set of constraints that should be validated step-by-step.
243		// If the list is empty error will be returned.
244		func Sequentially(constraints ...Constraint) SequentialConstraint {
245	1	return SequentialConstraint{constraints: constraints}
246		}
247
248		// SetUp will return an error if the list of constraints is empty.
249		func (c SequentialConstraint) SetUp() error {
250	1	if len(c.constraints) == 0 {
251	1	return errSequentiallyConstraintsNotSet
252		}
253	1	return nil
254		}
255
256		// Name is the constraint name.
257		func (c SequentialConstraint) Name() string {
258	1	return "SequentialConstraint"
259		}
260
261		// When enables conditional validation of this constraint. If the expression evaluates to false,
262		// then the constraint will be ignored.
263		func (c SequentialConstraint) When(condition bool) SequentialConstraint {
264	1	c.isIgnored = !condition
265	1	return c
266		}
267
268		// WhenGroups enables conditional validation of the constraint by using the validation groups.
269		func (c SequentialConstraint) WhenGroups(groups ...string) SequentialConstraint {
270	1	c.groups = groups
271	1	return c
272		}
273
274		func (c SequentialConstraint) validate(
275		scope Scope,
276		validate ValidateByConstraintFunc,
277		) (*ViolationList, error) {
278	1	if c.isIgnored \|\| scope.IsIgnored(c.groups...) {
279	1	return nil, nil
280		}
281
282	1	violations := &ViolationList{}
283
284	1	for _, constraint := range c.constraints {
285	1	err := violations.AppendFromError(validate(constraint, scope))
286	1	if err != nil {
287		return nil, err
288	1	} else if violations.len > 0 {
289	1	return violations, nil
290		}
291		}
292
293		return violations, nil
294		}
295
296		// AtLeastOneOfConstraint is used to set constraints allowing checks that the value satisfies
297		// at least one of the given constraints.
298		// The validation stops as soon as one constraint is satisfied.
299		type AtLeastOneOfConstraint struct {
300		isIgnored bool
301		groups []string
302		constraints []Constraint
303		}
304
305		// AtLeastOneOf function used to set of constraints that the value satisfies at least one of the given constraints.
306		// If the list is empty error will be returned.
307		func AtLeastOneOf(constraints ...Constraint) AtLeastOneOfConstraint {
308	1	return AtLeastOneOfConstraint{constraints: constraints}
309		}
310
311		// SetUp will return an error if the list of constraints is empty.
312		func (c AtLeastOneOfConstraint) SetUp() error {
313	1	if len(c.constraints) == 0 {
314	1	return errAtLeastOneOfConstraintsNotSet
315		}
316	1	return nil
317		}
318
319		// Name is the constraint name.
320		func (c AtLeastOneOfConstraint) Name() string {
321	1	return "AtLeastOneOfConstraint"
322		}
323
324		// When enables conditional validation of this constraint. If the expression evaluates to false,
325		// then the constraint will be ignored.
326		func (c AtLeastOneOfConstraint) When(condition bool) AtLeastOneOfConstraint {
327	1	c.isIgnored = !condition
328	1	return c
329		}
330
331		// WhenGroups enables conditional validation of the constraint by using the validation groups.
332		func (c AtLeastOneOfConstraint) WhenGroups(groups ...string) AtLeastOneOfConstraint {
333	1	c.groups = groups
334	1	return c
335		}
336
337		func (c AtLeastOneOfConstraint) validate(
338		scope Scope,
339		validate ValidateByConstraintFunc,
340		) (*ViolationList, error) {
341	1	if c.isIgnored \|\| scope.IsIgnored(c.groups...) {
342	1	return nil, nil
343		}
344
345	1	violations := &ViolationList{}
346
347	1	for _, constraint := range c.constraints {
348	1	violation := validate(constraint, scope)
349	1	if violation == nil {
350	1	return nil, nil
351		}
352
353	1	err := violations.AppendFromError(violation)
354	1	if err != nil {
355		return nil, err
356		}
357		}
358
359	1	return violations, nil
360		}
361
362		// CompoundConstraint is used to create your own set of reusable constraints, representing rules to use consistently.
363		type CompoundConstraint struct {
364		isIgnored bool
365		groups []string
366		constraints []Constraint
367		}
368
369		// Compound function used to create set of reusable constraints.
370		// If the list is empty error will be returned.
371		func Compound(constraints ...Constraint) CompoundConstraint {
372	1	return CompoundConstraint{constraints: constraints}
373		}
374
375		// SetUp will return an error if the list of constraints is empty.
376		func (c CompoundConstraint) SetUp() error {
377	1	if len(c.constraints) == 0 {
378	1	return errCompoundConstraintsNotSet
379		}
380	1	return nil
381		}
382
383		// Name is the constraint name.
384		func (c CompoundConstraint) Name() string {
385	1	return "CompoundConstraint"
386		}
387
388		// When enables conditional validation of this constraint. If the expression evaluates to false,
389		// then the constraint will be ignored.
390		func (c CompoundConstraint) When(condition bool) CompoundConstraint {
391	1	c.isIgnored = !condition
392	1	return c
393		}
394
395		// WhenGroups enables conditional validation of the constraint by using the validation groups.
396		func (c CompoundConstraint) WhenGroups(groups ...string) CompoundConstraint {
397	1	c.groups = groups
398	1	return c
399		}
400
401		func (c CompoundConstraint) validate(
402		scope Scope,
403		validate ValidateByConstraintFunc,
404		) (*ViolationList, error) {
405	1	if c.isIgnored \|\| scope.IsIgnored(c.groups...) {
406	1	return nil, nil
407		}
408
409	1	violations := &ViolationList{}
410
411	1	for _, constraint := range c.constraints {
412	1	err := violations.AppendFromError(validate(constraint, scope))
413	1	if err != nil {
414		return nil, err
415		}
416		}
417
418	1	return violations, nil
419		}
420
421		type notFoundConstraint struct {
422		key string
423		}
424
425		func (c notFoundConstraint) SetUp() error {
426	1	return ConstraintNotFoundError{Key: c.key}
427		}
428
429		func (c notFoundConstraint) Name() string {
430	1	return "notFoundConstraint"
431		}
432

muonsoft / validation

Pull Request — main (#68)

validation.AtLeastOneOf A

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