359 lines
6.8 KiB
Go
359 lines
6.8 KiB
Go
package domain
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import (
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"cmp"
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"fmt"
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"math"
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"net/url"
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"slices"
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"time"
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)
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const (
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villageNameMinLength = 1
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villageNameMaxLength = 150
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villageContinentMinLength = 1
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villageContinentMaxLength = 5
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)
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type Village struct {
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id int
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serverKey string
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name string
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points int
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x int
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y int
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continent string
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bonus int
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playerID int
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profileURL *url.URL
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createdAt time.Time
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}
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const villageModelName = "Village"
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// UnmarshalVillageFromDatabase unmarshals Village from the database.
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//
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// It should be used only for unmarshalling from the database!
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// You can't use UnmarshalVillageFromDatabase as constructor - It may put domain into the invalid state!
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func UnmarshalVillageFromDatabase(
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id int,
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serverKey string,
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name string,
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points int,
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x int,
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y int,
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continent string,
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bonus int,
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playerID int,
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rawProfileURL string,
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createdAt time.Time,
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) (Village, error) {
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if err := validateIntInRange(id, 1, math.MaxInt); err != nil {
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return Village{}, ValidationError{
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Model: villageModelName,
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Field: "id",
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Err: err,
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}
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}
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if err := validateServerKey(serverKey); err != nil {
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return Village{}, ValidationError{
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Model: villageModelName,
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Field: "serverKey",
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Err: err,
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}
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}
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profileURL, err := parseURL(rawProfileURL)
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if err != nil {
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return Village{}, ValidationError{
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Model: villageModelName,
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Field: "profileURL",
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Err: err,
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}
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}
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return Village{
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id: id,
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serverKey: serverKey,
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name: name,
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points: points,
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x: x,
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y: y,
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continent: continent,
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bonus: bonus,
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playerID: playerID,
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profileURL: profileURL,
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createdAt: createdAt,
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}, nil
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}
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func (v Village) ID() int {
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return v.id
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}
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func (v Village) ServerKey() string {
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return v.serverKey
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}
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func (v Village) Name() string {
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return v.name
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}
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func (v Village) Points() int {
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return v.points
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}
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func (v Village) X() int {
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return v.x
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}
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func (v Village) Y() int {
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return v.y
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}
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func (v Village) Continent() string {
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return v.continent
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}
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func (v Village) Bonus() int {
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return v.bonus
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}
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func (v Village) PlayerID() int {
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return v.playerID
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}
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func (v Village) ProfileURL() *url.URL {
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return v.profileURL
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}
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func (v Village) CreatedAt() time.Time {
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return v.createdAt
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}
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func (v Village) Base() BaseVillage {
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return BaseVillage{
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id: v.id,
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name: v.name,
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points: v.points,
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x: v.x,
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y: v.y,
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continent: v.continent,
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bonus: v.bonus,
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playerID: v.playerID,
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profileURL: v.profileURL,
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}
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}
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type Villages []Village
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// Delete finds all villages with the given serverKey that are not in the given slice with active villages
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// and returns their ids. Both slices must be sorted in ascending order by ID
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// + if vs contains villages from different servers. they must be sorted in ascending order by server key.
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func (vs Villages) Delete(serverKey string, active BaseVillages) []int {
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// villages are deleted now and then, there is no point in prereallocating these slices
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//nolint:prealloc
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var toDelete []int
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for _, v := range vs {
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if v.ServerKey() != serverKey {
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continue
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}
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_, found := slices.BinarySearchFunc(active, v, func(a BaseVillage, b Village) int {
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return cmp.Compare(a.ID(), b.ID())
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})
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if found {
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continue
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}
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toDelete = append(toDelete, v.ID())
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}
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return toDelete
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}
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type CreateVillageParams struct {
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base BaseVillage
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serverKey string
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}
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const createVillageParamsModelName = "CreateVillageParams"
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func NewCreateVillageParams(serverKey string, villages BaseVillages) ([]CreateVillageParams, error) {
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if err := validateServerKey(serverKey); err != nil {
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return nil, ValidationError{
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Model: createVillageParamsModelName,
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Field: "serverKey",
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Err: err,
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}
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}
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params := make([]CreateVillageParams, 0, len(villages))
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for i, v := range villages {
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if v.IsZero() {
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return nil, fmt.Errorf("villages[%d] is an empty struct", i)
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}
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params = append(params, CreateVillageParams{
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base: v,
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serverKey: serverKey,
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})
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}
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return params, nil
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}
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func (params CreateVillageParams) Base() BaseVillage {
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return params.base
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}
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func (params CreateVillageParams) ServerKey() string {
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return params.serverKey
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}
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type VillageSort uint8
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const (
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VillageSortIDASC VillageSort = iota + 1
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VillageSortIDDESC
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VillageSortServerKeyASC
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VillageSortServerKeyDESC
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)
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type ListVillagesParams struct {
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ids []int
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idGT NullInt
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serverKeys []string
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sort []VillageSort
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limit int
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offset int
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}
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const (
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VillageListMaxLimit = 500
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listVillagesParamsModelName = "ListVillagesParams"
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)
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func NewListVillagesParams() ListVillagesParams {
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return ListVillagesParams{
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sort: []VillageSort{
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VillageSortServerKeyASC,
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VillageSortIDASC,
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},
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limit: VillageListMaxLimit,
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}
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}
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func (params *ListVillagesParams) IDs() []int {
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return params.ids
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}
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func (params *ListVillagesParams) SetIDs(ids []int) error {
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for i, id := range ids {
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if err := validateIntInRange(id, 1, math.MaxInt); err != nil {
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return SliceElementValidationError{
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Model: listVillagesParamsModelName,
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Field: "ids",
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Index: i,
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Err: err,
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}
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}
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}
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params.ids = ids
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return nil
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}
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func (params *ListVillagesParams) IDGT() NullInt {
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return params.idGT
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}
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func (params *ListVillagesParams) SetIDGT(idGT NullInt) error {
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if idGT.Valid {
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if err := validateIntInRange(idGT.V, 0, math.MaxInt); err != nil {
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return ValidationError{
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Model: listVillagesParamsModelName,
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Field: "idGT",
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Err: err,
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}
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}
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}
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params.idGT = idGT
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return nil
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}
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func (params *ListVillagesParams) ServerKeys() []string {
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return params.serverKeys
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}
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func (params *ListVillagesParams) SetServerKeys(serverKeys []string) error {
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params.serverKeys = serverKeys
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return nil
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}
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func (params *ListVillagesParams) Sort() []VillageSort {
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return params.sort
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}
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const (
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villageSortMinLength = 1
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villageSortMaxLength = 2
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)
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func (params *ListVillagesParams) SetSort(sort []VillageSort) error {
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if err := validateSliceLen(sort, villageSortMinLength, villageSortMaxLength); err != nil {
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return ValidationError{
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Model: listVillagesParamsModelName,
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Field: "sort",
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Err: err,
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}
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}
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params.sort = sort
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return nil
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}
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func (params *ListVillagesParams) Limit() int {
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return params.limit
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}
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func (params *ListVillagesParams) SetLimit(limit int) error {
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if err := validateIntInRange(limit, 1, VillageListMaxLimit); err != nil {
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return ValidationError{
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Model: listVillagesParamsModelName,
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Field: "limit",
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Err: err,
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}
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}
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params.limit = limit
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return nil
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}
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func (params *ListVillagesParams) Offset() int {
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return params.offset
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}
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func (params *ListVillagesParams) SetOffset(offset int) error {
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if err := validateIntInRange(offset, 0, math.MaxInt); err != nil {
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return ValidationError{
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Model: listVillagesParamsModelName,
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Field: "offset",
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Err: err,
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}
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}
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params.offset = offset
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return nil
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}
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