55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package form
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import (
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"github.com/labstack/echo/v4"
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"github.com/camzawacki/personal-site/internal/context"
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)
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// Form represents a form that can be submitted and validated.
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type Form interface {
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// Submit marks the form as submitted, stores a pointer to it in the context, binds the request
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// values to the struct fields, and validates the input based on the struct tags.
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// Returns a validator.ValidationErrors, if the form values were not valid, or an echo.HTTPError,
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// if the request failed to process.
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Submit(c echo.Context, form any) error
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// IsSubmitted returns true if the form was submitted.
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IsSubmitted() bool
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// IsValid returns true if the form has no validation errors.
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IsValid() bool
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// IsDone returns true if the form was submitted and has no validation errors.
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IsDone() bool
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// FieldHasErrors returns true if a given struct field has validation errors.
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FieldHasErrors(fieldName string) bool
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// SetFieldError sets a validation error message for a given struct field.
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SetFieldError(fieldName string, message string)
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// GetFieldErrors returns the validation errors for a given struct field.
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GetFieldErrors(fieldName string) []string
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}
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// Get gets a form from the context or initializes a new copy if one is not set.
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func Get[T any](ctx echo.Context) *T {
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if v := ctx.Get(context.FormKey); v != nil {
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if form, ok := v.(*T); ok {
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return form
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}
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}
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var v T
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return &v
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}
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// Clear removes the form set in the context.
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func Clear(ctx echo.Context) {
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ctx.Set(context.FormKey, nil)
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}
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// Submit submits a form.
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// See Form.Submit().
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func Submit(ctx echo.Context, form Form) error {
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return form.Submit(ctx, form)
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}
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