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models.go
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models.go
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package types
import (
"fmt"
"strconv"
"strings"
"time"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/gogo/protobuf/proto"
)
// ParseReportID parses the given value as a report id, returning an error if it's invalid
func ParseReportID(value string) (uint64, error) {
if value == "" {
return 0, nil
}
reportID, err := strconv.ParseUint(value, 10, 64)
if err != nil {
return 0, fmt.Errorf("invalid report id: %s", err)
}
return reportID, nil
}
// NewReport returns a new Report instance
func NewReport(
subspaceID uint64,
id uint64,
reasonsIDs []uint32,
message string,
target ReportTarget,
reporter string,
creationDate time.Time,
) Report {
targetAny, err := codectypes.NewAnyWithValue(target)
if err != nil {
panic("failed to pack target to any type")
}
return Report{
SubspaceID: subspaceID,
ID: id,
ReasonsIDs: reasonsIDs,
Message: message,
Target: targetAny,
Reporter: reporter,
CreationDate: creationDate,
}
}
// Validate implements fmt.Validator
func (r Report) Validate() error {
if r.SubspaceID == 0 {
return fmt.Errorf("invalid subspace id: %d", r.SubspaceID)
}
if r.ID == 0 {
return fmt.Errorf("invalid report id: %d", r.ID)
}
if len(r.ReasonsIDs) == 0 {
return fmt.Errorf("reasons ids cannot be empty")
}
for _, reasonID := range r.ReasonsIDs {
if reasonID == 0 {
return fmt.Errorf("invalid reason id: %d", reasonID)
}
}
_, err := sdk.AccAddressFromBech32(r.Reporter)
if err != nil {
return fmt.Errorf("invalid reporter address: %s", err)
}
err = r.Target.GetCachedValue().(ReportTarget).Validate()
if err != nil {
return err
}
if r.CreationDate.IsZero() {
return fmt.Errorf("invalid report creation date: %s", r.CreationDate)
}
return nil
}
// UnpackInterfaces implements codectypes.UnpackInterfacesMessage
func (r *Report) UnpackInterfaces(unpacker codectypes.AnyUnpacker) error {
var target ReportTarget
return unpacker.UnpackAny(r.Target, &target)
}
// --------------------------------------------------------------------------------------------------------------------
// ReportTarget represents a generic report target
type ReportTarget interface {
proto.Message
isReportData()
Validate() error
}
// --------------------------------------------------------------------------------------------------------------------
var _ ReportTarget = &UserTarget{}
// NewUserTarget returns a new UserTarget instance
func NewUserTarget(user string) *UserTarget {
return &UserTarget{
User: user,
}
}
// isReportData implements ReportTarget
func (t *UserTarget) isReportData() {}
// Validate implements ReportTarget
func (t *UserTarget) Validate() error {
// We don't check the validity against sdk.AccAddress because the reported address might be another chain account
if strings.TrimSpace(t.User) == "" {
return fmt.Errorf("invalid reported user: %s", t.User)
}
return nil
}
// --------------------------------------------------------------------------------------------------------------------
var _ ReportTarget = &PostTarget{}
// NewPostTarget returns a new PostTarget instance
func NewPostTarget(postID uint64) *PostTarget {
return &PostTarget{
PostID: postID,
}
}
// isReportData implements ReportTarget
func (t *PostTarget) isReportData() {}
// Validate implements ReportTarget
func (t *PostTarget) Validate() error {
if t.PostID == 0 {
return fmt.Errorf("invalid post id: %d", t.PostID)
}
return nil
}
// --------------------------------------------------------------------------------------------------------------------
// ParseReasonID parses the given value as a reason id, returning an error if it's invalid
func ParseReasonID(value string) (uint32, error) {
if value == "" {
return 0, nil
}
reasonID, err := strconv.ParseUint(value, 10, 32)
if err != nil {
return 0, fmt.Errorf("invalid reason id: %s", err)
}
return uint32(reasonID), nil
}
// ParseReasonsIDs parses the given comma-separated values as a list of reasons ids.
func ParseReasonsIDs(value string) ([]uint32, error) {
strValues := strings.Split(value, ",")
reasons := make([]uint32, len(strValues))
for i, str := range strValues {
reason, err := ParseReasonID(str)
if err != nil {
return nil, err
}
reasons[i] = reason
}
return reasons, nil
}
// ContainsReason returns true iff the given reasons contain the provided reasonID
func ContainsReason(reasons []uint32, reasonID uint32) bool {
for _, reason := range reasons {
if reason == reasonID {
return true
}
}
return false
}
// NewReason returns a new Reason instance
func NewReason(subspaceID uint64, id uint32, title string, description string) Reason {
return Reason{
SubspaceID: subspaceID,
ID: id,
Title: title,
Description: description,
}
}
// Validate implements fmt.Validator
func (r Reason) Validate() error {
if r.SubspaceID == 0 {
return fmt.Errorf("invalid subspace id: %d", r.SubspaceID)
}
if r.ID == 0 {
return fmt.Errorf("invalid reason id: %d", r.ID)
}
if strings.TrimSpace(r.Title) == "" {
return fmt.Errorf("invalid reason title: %s", r.Title)
}
return nil
}