459 lines
19 KiB
TypeScript
459 lines
19 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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import { OsmId } from "../../Models/OsmFeature"
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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: OsmId, state: FeaturePipelineState, 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(id, selected["retagTo"], tagsSource.data, {
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theme: state?.layoutToUse?.id ?? "unkown",
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changeType: "special-delete",
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})
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} else {
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actionToTake = new DeleteAction(
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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
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.SetClass("block btn btn-secondary")
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.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;"),
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t.delete
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).onClick(() => {
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deleteAbility.CheckDeleteability(true)
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confirm.setData(true)
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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(
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new SubstitutedTranslation(t.whyDelete, tagsSource, state).SetClass(
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"question-text"
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),
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3
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),
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deleteOptionPicker,
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new Combine([
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DeleteWizard.constructExplanation(
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deleteOptionPicker.GetValue(),
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deleteAbility,
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tagsSource,
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state
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),
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new Combine([
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cancelButton,
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DeleteWizard.constructConfirmButton(deleteOptionPicker.GetValue()).onClick(() =>
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doDelete(deleteOptionPicker.GetValue().data)
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),
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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([
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Svg.delete_icon_svg().SetClass(
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"h-16 w-16 p-2 m-2 block bg-gray-300 rounded-full"
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),
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t.isDeleted,
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]).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(
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(ud) =>
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ud.csCount >
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Constants.userJourney
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.addNewPointWithUnreadMessagesUnlock ||
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ud.unreadMessages == 0
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)
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),
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deleteButton,
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confirm
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),
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new VariableUiElement(
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deleteAbility.canBeDeleted.map((cbd) =>
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new Combine([
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Svg.delete_not_allowed_svg()
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.SetStyle("height: 2rem; width: auto")
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.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"),
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]).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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),
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deleteAbility.canBeDeleted.map(
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(cbd) => allowSoftDeletion || cbd.canBeDeleted !== false
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)
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),
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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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),
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undefined,
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isShown
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)
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}
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private static constructConfirmButton(
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deleteReasons: UIEventSource<any | undefined>
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): 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(
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selectedOption: UIEventSource<{ deleteReason: string } | { retagTo: TagsFilter }>,
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deleteAction: DeleteabilityChecker,
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currentTags: UIEventSource<object>,
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state?: { osmConnection?: OsmConnection }
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) {
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const t = Translations.t.delete
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return new VariableUiElement(
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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([
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t.explanations.retagNoOtherThemes,
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TagRenderingQuestion.CreateTagExplanation(
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new UIEventSource<TagsFilter>(retag),
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currentTags,
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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(
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deleteAction.canBeDeleted.map(({ canBeDeleted, reason }) => {
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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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},
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[deleteAction.canBeDeleted]
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)
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).SetClass("block")
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}
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private static constructMultipleChoice(
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config: DeleteConfig,
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tagsSource: UIEventSource<Record<string, string>>,
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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(
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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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}
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for (const extraDeleteReason of config.deleteReasons ?? []) {
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elements.push(
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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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}
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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(
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id: string,
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state: { osmConnection: OsmConnection },
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allowDeletionAtChangesetCount?: number
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) {
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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 (
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ud.csCount >=
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Math.min(
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Constants.userJourney.deletePointsOfOthersUnlock,
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this._allowDeletionAtChangesetCount
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)
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)
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})
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const previousEditors = new UIEventSource<number[]>(undefined)
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const allByMyself = previousEditors.map(
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(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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},
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[self._state.osmConnection.userDetails]
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)
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// User allowed OR only edited by self?
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const deletetionAllowed = deletingPointsOfOtherAllowed.map(
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(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) =>
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versions.map((version) =>
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Number(version.tags["_last_edit:contributor:uid"])
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)
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)
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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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},
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[allByMyself]
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)
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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(
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(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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},
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[hasWays]
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)
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hasWaysOrRelations.addCallbackAndRun((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 deleteable 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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