445 lines
No EOL
18 KiB
TypeScript
445 lines
No EOL
18 KiB
TypeScript
import {VariableUiElement} from "../Base/VariableUIElement";
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import Toggle from "../Input/Toggle";
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import Translations from "../i18n/Translations";
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import Svg from "../../Svg";
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import DeleteAction from "../../Logic/Osm/Actions/DeleteAction";
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import {Store, UIEventSource} from "../../Logic/UIEventSource";
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import {TagsFilter} from "../../Logic/Tags/TagsFilter";
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import Combine from "../Base/Combine";
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import {SubtleButton} from "../Base/SubtleButton";
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import {Translation} from "../i18n/Translation";
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import BaseUIElement from "../BaseUIElement";
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import Constants from "../../Models/Constants";
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import DeleteConfig from "../../Models/ThemeConfig/DeleteConfig";
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import {OsmObject} from "../../Logic/Osm/OsmObject";
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import {OsmConnection} from "../../Logic/Osm/OsmConnection";
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import OsmChangeAction from "../../Logic/Osm/Actions/OsmChangeAction";
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import ChangeTagAction from "../../Logic/Osm/Actions/ChangeTagAction";
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import {InputElement} from "../Input/InputElement";
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import {RadioButton} from "../Input/RadioButton";
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import {FixedInputElement} from "../Input/FixedInputElement";
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import Title from "../Base/Title";
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import {SubstitutedTranslation} from "../SubstitutedTranslation";
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import FeaturePipelineState from "../../Logic/State/FeaturePipelineState";
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import TagRenderingQuestion from "./TagRenderingQuestion";
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export default class DeleteWizard extends Toggle {
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/**
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* The UI-element which triggers 'deletion' (either soft or hard).
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*
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* - A 'hard deletion' is if the point is actually deleted from the OSM database
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* - A 'soft deletion' is if the point is not deleted, but the tagging is modified which will result in the point not being picked up by the filters anymore.
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* Apart having needing theme-specific tags added (which must be supplied by the theme creator), fixme='marked for deletion' will be added too
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*
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* A deletion is only possible if the user is logged in.
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* A soft deletion is only possible if tags are provided
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* A hard deletion is only possible if the user has sufficient rigts
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*
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* There is also the possibility to have a 'trojan horse' option. If the user selects that option, it is NEVER removed, but the tags are applied.
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* Ideal for the case of "THIS PATH IS ON MY GROUND AND SHOULD BE DELETED IMMEDIATELY OR I WILL GET MY LAWYER" but to mark it as private instead.
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* (Note that _delete_reason is used as trigger to do actual deletion - setting such a tag WILL delete from the database with that as changeset comment)
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*
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* @param id: The id of the element to remove
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* @param state: the state of the application
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* @param options softDeletionTags: the tags to apply if the user doesn't have permission to delete, e.g. 'disused:amenity=public_bookcase', 'amenity='. After applying, the element should not be picked up on the map anymore. If undefined, the wizard will only show up if the point can be (hard) deleted
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*/
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constructor(id: string,
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state: FeaturePipelineState,
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options: DeleteConfig) {
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const deleteAbility = new DeleteabilityChecker(id, state, options.neededChangesets)
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const tagsSource = state.allElements.getEventSourceById(id)
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const isDeleted = new UIEventSource(false)
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const allowSoftDeletion = !!options.softDeletionTags
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const confirm = new UIEventSource<boolean>(false)
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/**
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* This function is the actual delete function
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*/
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function doDelete(selected: { deleteReason: string } | { retagTo: TagsFilter }) {
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let actionToTake: OsmChangeAction;
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if (selected["retagTo"] !== undefined) {
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// no _delete_reason is given, which implies that this is _not_ a deletion but merely a retagging via a nonDeleteMapping
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actionToTake = new ChangeTagAction(
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id,
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selected["retagTo"],
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tagsSource.data,
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{
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theme: state?.layoutToUse?.id ?? "unkown",
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changeType: "special-delete"
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}
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)
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} else {
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actionToTake = new DeleteAction(id,
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options.softDeletionTags,
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{
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theme: state?.layoutToUse?.id ?? "unkown",
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specialMotivation: selected["deleteReason"]
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},
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deleteAbility.canBeDeleted.data.canBeDeleted
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)
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}
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state.changes?.applyAction(actionToTake)
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isDeleted.setData(true)
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}
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const t = Translations.t.delete
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const cancelButton = t.cancel.SetClass("block btn btn-secondary").onClick(() => confirm.setData(false));
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/**
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* The button which is shown first. Opening it will trigger the check for deletions
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*/
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const deleteButton = new SubtleButton(
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Svg.delete_icon_svg().SetStyle("width: 1.5rem; height: 1.5rem;"), t.delete)
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.onClick(
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() => {
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deleteAbility.CheckDeleteability(true)
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confirm.setData(true);
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}
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)
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const isShown: Store<boolean> = tagsSource.map(tgs => tgs.id.indexOf("-") < 0)
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const deleteOptionPicker = DeleteWizard.constructMultipleChoice(options, tagsSource, state);
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const deleteDialog = new Combine([
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new Title(new SubstitutedTranslation(t.whyDelete, tagsSource, state)
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.SetClass("question-text"), 3),
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deleteOptionPicker,
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new Combine([
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DeleteWizard.constructExplanation(deleteOptionPicker.GetValue(), deleteAbility, tagsSource, state),
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new Combine([
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cancelButton,
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DeleteWizard.constructConfirmButton(deleteOptionPicker.GetValue())
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.onClick(() => doDelete(deleteOptionPicker.GetValue().data))
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]).SetClass("flex justify-end flex-wrap-reverse")
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]).SetClass("flex mt-2 justify-between")
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]).SetClass("question")
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super(
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new Toggle(
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new Combine([Svg.delete_icon_svg().SetClass("h-16 w-16 p-2 m-2 block bg-gray-300 rounded-full"),
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t.isDeleted]).SetClass("flex m-2 rounded-full"),
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new Toggle(
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new Toggle(
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new Toggle(
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new Toggle(
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deleteDialog,
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new SubtleButton(Svg.envelope_ui(), t.readMessages),
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state.osmConnection.userDetails.map(ud => ud.csCount > Constants.userJourney.addNewPointWithUnreadMessagesUnlock || ud.unreadMessages == 0)
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),
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deleteButton,
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confirm),
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new VariableUiElement(deleteAbility.canBeDeleted.map(cbd =>
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new Combine([
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Svg.delete_not_allowed_svg().SetStyle("height: 2rem; width: auto").SetClass("mr-2"),
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new Combine([
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t.cannotBeDeleted,
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cbd.reason.SetClass("subtle"),
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t.useSomethingElse.SetClass("subtle")]).SetClass("flex flex-col")
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]).SetClass("flex m-2 p-2 rounded-lg bg-gray-200 bg-gray-200")))
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,
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deleteAbility.canBeDeleted.map(cbd => allowSoftDeletion || cbd.canBeDeleted !== false)),
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t.loginToDelete.onClick(state.osmConnection.AttemptLogin),
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state.osmConnection.isLoggedIn
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),
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isDeleted),
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undefined,
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isShown)
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}
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private static constructConfirmButton(deleteReasons: UIEventSource<any | undefined>): BaseUIElement {
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const t = Translations.t.delete;
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const btn = new Combine([
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Svg.delete_icon_ui().SetClass("w-6 h-6 mr-3 block"),
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t.delete
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]).SetClass("flex btn bg-red-500")
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const btnNonActive = new Combine([
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Svg.delete_icon_ui().SetClass("w-6 h-6 mr-3 block"),
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t.delete
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]).SetClass("flex btn btn-disabled bg-red-200")
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return new Toggle(
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btn,
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btnNonActive,
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deleteReasons.map(reason => reason !== undefined)
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)
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}
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private static constructExplanation(selectedOption: UIEventSource<
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{deleteReason: string} | {retagTo: TagsFilter}>, deleteAction: DeleteabilityChecker,
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currentTags: UIEventSource<object>,
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state?: {osmConnection?: OsmConnection}) {
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const t = Translations.t.delete;
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return new VariableUiElement(selectedOption.map(
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selectedOption => {
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if (selectedOption === undefined) {
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return t.explanations.selectReason.SetClass("subtle");
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}
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const retag: TagsFilter | undefined = selectedOption["retagTo"]
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if(retag !== undefined) {
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// This is a retagging, not a deletion of any kind
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return new Combine([t.explanations.retagNoOtherThemes,
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TagRenderingQuestion.CreateTagExplanation(new UIEventSource<TagsFilter>(retag),
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currentTags, state
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).SetClass("subtle")
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])
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}
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const deleteReason = selectedOption["deleteReason"];
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if(deleteReason !== undefined){
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return new VariableUiElement(deleteAction.canBeDeleted.map(({
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canBeDeleted, reason
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}) => {
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if(canBeDeleted){
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// This is a hard delete for which we give an explanation
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return t.explanations.hardDelete;
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}
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// This is a soft deletion: we explain _why_ the deletion is soft
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return t.explanations.softDelete.Subs({reason: reason})
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}))
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}
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}
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, [deleteAction.canBeDeleted]
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)).SetClass("block")
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}
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private static constructMultipleChoice(config: DeleteConfig, tagsSource: UIEventSource<object>, state: FeaturePipelineState):
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InputElement<{ deleteReason: string } | { retagTo: TagsFilter }> {
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const elements: InputElement<{ deleteReason: string } | { retagTo: TagsFilter }>[ ] = []
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for (const nonDeleteOption of config.nonDeleteMappings) {
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elements.push(new FixedInputElement(
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new SubstitutedTranslation(nonDeleteOption.then, tagsSource, state),
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{
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retagTo: nonDeleteOption.if
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}
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))
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}
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for (const extraDeleteReason of (config.extraDeleteReasons ?? [])) {
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elements.push(new FixedInputElement(
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new SubstitutedTranslation(extraDeleteReason.explanation, tagsSource, state),
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{
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deleteReason: extraDeleteReason.changesetMessage
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}
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))
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}
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for (const extraDeleteReason of DeleteConfig.defaultDeleteReasons) {
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elements.push(new FixedInputElement(
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extraDeleteReason.explanation.Clone(/*Must clone here, as this explanation might be used on many locations*/),
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{
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deleteReason: extraDeleteReason.changesetMessage
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}
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))
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}
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return new RadioButton(elements, {selectFirstAsDefault: false});
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}
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}
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class DeleteabilityChecker {
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public readonly canBeDeleted: UIEventSource<{ canBeDeleted?: boolean, reason: Translation }>;
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private readonly _id: string;
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private readonly _allowDeletionAtChangesetCount: number;
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private readonly _state: {
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osmConnection: OsmConnection
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};
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constructor(id: string,
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state: { osmConnection: OsmConnection },
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allowDeletionAtChangesetCount?: number) {
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this._id = id;
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this._state = state;
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this._allowDeletionAtChangesetCount = allowDeletionAtChangesetCount ?? Number.MAX_VALUE;
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this.canBeDeleted = new UIEventSource<{ canBeDeleted?: boolean; reason: Translation }>({
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canBeDeleted: undefined,
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reason: Translations.t.delete.loading
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})
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this.CheckDeleteability(false)
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}
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/**
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* Checks if the currently logged in user can delete the current point.
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* State is written into this._canBeDeleted
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* @constructor
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* @private
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*/
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public CheckDeleteability(useTheInternet: boolean): void {
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const t = Translations.t.delete;
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const id = this._id;
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const state = this.canBeDeleted
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const self = this;
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if (!id.startsWith("node")) {
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this.canBeDeleted.setData({
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canBeDeleted: false,
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reason: t.isntAPoint
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})
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return;
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}
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// Does the currently logged in user have enough experience to delete this point?
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const deletingPointsOfOtherAllowed = this._state.osmConnection.userDetails.map(ud => {
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if (ud === undefined) {
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return undefined;
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}
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if (!ud.loggedIn) {
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return false;
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}
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return ud.csCount >= Math.min(Constants.userJourney.deletePointsOfOthersUnlock, this._allowDeletionAtChangesetCount);
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})
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const previousEditors = new UIEventSource<number[]>(undefined)
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const allByMyself = previousEditors.map(previous => {
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if (previous === null || previous === undefined) {
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// Not yet downloaded
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return null;
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}
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const userId = self._state.osmConnection.userDetails.data.uid;
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return !previous.some(editor => editor !== userId)
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}, [self._state.osmConnection.userDetails])
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// User allowed OR only edited by self?
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const deletetionAllowed = deletingPointsOfOtherAllowed.map(isAllowed => {
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if (isAllowed === undefined) {
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// No logged in user => definitively not allowed to delete!
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return false;
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}
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if (isAllowed === true) {
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return true;
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}
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// At this point, the logged in user is not allowed to delete points created/edited by _others_
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// however, we query OSM and if it turns out the current point has only be edited by the current user, deletion is allowed after all!
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if (allByMyself.data === null && useTheInternet) {
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// We kickoff the download here as it hasn't yet been downloaded. Note that this is mapped onto 'all by myself' above
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const hist = OsmObject.DownloadHistory(id).map(versions => versions.map(version => version.tags["_last_edit:contributor:uid"]))
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hist.addCallbackAndRunD(hist => previousEditors.setData(hist))
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}
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if (allByMyself.data === true) {
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// Yay! We can download!
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return true;
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}
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if (allByMyself.data === false) {
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// Nope, downloading not allowed...
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return false;
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}
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// At this point, we don't have enough information yet to decide if the user is allowed to delete the current point...
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return undefined;
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}, [allByMyself])
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const hasRelations: UIEventSource<boolean> = new UIEventSource<boolean>(null)
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const hasWays: UIEventSource<boolean> = new UIEventSource<boolean>(null)
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deletetionAllowed.addCallbackAndRunD(deletetionAllowed => {
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if (deletetionAllowed === false) {
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// Nope, we are not allowed to delete
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state.setData({
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canBeDeleted: false,
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reason: t.notEnoughExperience
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})
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return true; // unregister this caller!
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}
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if (!useTheInternet) {
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return;
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}
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// All right! We have arrived at a point that we should query OSM again to check that the point isn't a part of ways or relations
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OsmObject.DownloadReferencingRelations(id).then(rels => {
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hasRelations.setData(rels.length > 0)
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})
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OsmObject.DownloadReferencingWays(id).then(ways => {
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hasWays.setData(ways.length > 0)
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})
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return true; // unregister to only run once
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})
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const hasWaysOrRelations = hasRelations.map(hasRelationsData => {
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if (hasRelationsData === true) {
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return true;
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}
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if (hasWays.data === true) {
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return true;
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}
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if (hasWays.data === null || hasRelationsData === null) {
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return null;
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}
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if (hasWays.data === false && hasRelationsData === false) {
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return false;
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}
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return null;
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}, [hasWays])
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hasWaysOrRelations.addCallbackAndRun(
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waysOrRelations => {
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if (waysOrRelations == null) {
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// Not yet loaded - we still wait a little bit
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return;
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}
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if (waysOrRelations) {
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// not deleteble by mapcomplete
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state.setData({
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canBeDeleted: false,
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reason: t.partOfOthers
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})
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} else {
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// alright, this point can be safely deleted!
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state.setData({
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canBeDeleted: true,
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reason: allByMyself.data === true ? t.onlyEditedByLoggedInUser : t.safeDelete
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})
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}
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}
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)
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}
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} |