455 lines
No EOL
18 KiB
TypeScript
455 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 {UIEventSource} from "../../Logic/UIEventSource";
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import {TagsFilter} from "../../Logic/Tags/TagsFilter";
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import TagRenderingQuestion from "./TagRenderingQuestion";
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import Combine from "../Base/Combine";
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import {SubtleButton} from "../Base/SubtleButton";
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import {FixedUiElement} from "../Base/FixedUiElement";
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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 TagRenderingConfig from "../../Models/ThemeConfig/TagRenderingConfig";
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import {AndOrTagConfigJson} from "../../Models/ThemeConfig/Json/TagConfigJson";
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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 {ElementStorage} from "../../Logic/ElementStorage";
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import LayoutConfig from "../../Models/ThemeConfig/LayoutConfig";
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import {Changes} from "../../Logic/Osm/Changes";
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import {OsmConnection} from "../../Logic/Osm/OsmConnection";
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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: {
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osmConnection: OsmConnection;
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allElements: ElementStorage,
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layoutToUse?: LayoutConfig,
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changes?: Changes
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},
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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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function doDelete(selected: TagsFilter) {
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// Selected == the reasons, not the tags of the object
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const tgs = selected.asChange(tagsSource.data)
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const deleteReasonMatch = tgs.filter(kv => kv.k === "_delete_reason")
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if (deleteReasonMatch.length === 0) {
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return;
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}
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const deleteAction = 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: deleteReasonMatch[0]?.v
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},
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deleteAbility.canBeDeleted.data.canBeDeleted
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)
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state.changes?.applyAction(deleteAction)
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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.Clone().SetClass("block btn btn-secondary").onClick(() => confirm.setData(false));
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const question = new VariableUiElement(tagsSource.map(currentTags => {
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const config = DeleteWizard.generateDeleteTagRenderingConfig(options.softDeletionTags, options.nonDeleteMappings, options.extraDeleteReasons, currentTags)
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return new TagRenderingQuestion(
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tagsSource,
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config,
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state,
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{
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cancelButton,
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/*Using a custom save button constructor erases all logic to actually save, so we have to listen for the click!*/
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saveButtonConstr: (v) => DeleteWizard.constructConfirmButton(v).onClick(() => {
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doDelete(v.data)
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}),
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bottomText: (v) => DeleteWizard.constructExplanation(v, deleteAbility)
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}
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)
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}))
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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.Clone()).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 = new UIEventSource<boolean>(id.indexOf("-") < 0)
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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.Clone()]).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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question,
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new SubtleButton(Svg.envelope_ui(), t.readMessages.Clone()),
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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.Clone(),
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cbd.reason.Clone().SetClass("subtle"),
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t.useSomethingElse.Clone().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.Clone().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<TagsFilter>): 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.Clone()
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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.Clone()
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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(tags: UIEventSource<TagsFilter>, deleteAction: DeleteabilityChecker) {
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const t = Translations.t.delete;
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return new VariableUiElement(tags.map(
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currentTags => {
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const cbd = deleteAction.canBeDeleted.data;
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if (currentTags === undefined) {
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return t.explanations.selectReason.Clone().SetClass("subtle");
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}
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const hasDeletionTag = currentTags.asChange(currentTags).some(kv => kv.k === "_delete_reason")
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if (cbd.canBeDeleted && hasDeletionTag) {
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return t.explanations.hardDelete.Clone()
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}
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return new Combine([t.explanations.softDelete.Subs({reason: cbd.reason}),
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new FixedUiElement(currentTags.asHumanString(false, true, currentTags)).SetClass("subtle")
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]).SetClass("flex flex-col")
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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 generateDeleteTagRenderingConfig(softDeletionTags: TagsFilter,
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nonDeleteOptions: { if: TagsFilter; then: Translation }[],
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extraDeleteReasons: { explanation: Translation; changesetMessage: string }[],
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currentTags: any) {
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const t = Translations.t.delete
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nonDeleteOptions = nonDeleteOptions ?? []
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let softDeletionTagsStr = []
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if (softDeletionTags !== undefined) {
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softDeletionTags.asChange(currentTags)
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}
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const extraOptionsStr: { if: AndOrTagConfigJson, then: any }[] = []
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for (const nonDeleteOption of nonDeleteOptions) {
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const newIf: string[] = nonDeleteOption.if.asChange({}).map(kv => kv.k + "=" + kv.v)
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extraOptionsStr.push({
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if: {and: newIf},
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then: nonDeleteOption.then
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})
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}
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for (const extraDeleteReason of (extraDeleteReasons ?? [])) {
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extraOptionsStr.push({
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if: {and: ["_delete_reason=" + extraDeleteReason.changesetMessage]},
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then: extraDeleteReason.explanation
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})
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}
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return new TagRenderingConfig(
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{
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question: t.whyDelete,
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render: "Deleted because {_delete_reason}",
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freeform: {
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key: "_delete_reason",
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addExtraTags: softDeletionTagsStr
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},
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mappings: [
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...extraOptionsStr,
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{
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if: {
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and: [
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"_delete_reason=testing point",
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...softDeletionTagsStr
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]
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},
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then: t.reasons.test
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},
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{
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if: {
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and: [
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"_delete_reason=disused",
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...softDeletionTagsStr
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]
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},
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then: t.reasons.disused
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},
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{
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if: {
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and: [
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"_delete_reason=not found",
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...softDeletionTagsStr
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]
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},
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then: t.reasons.notFound
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},
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{
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if: {
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and: [
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"_delete_reason=duplicate",
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...softDeletionTagsStr
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]
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},
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then: t.reasons.duplicate
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}
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]
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}, "Delete wizard"
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)
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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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OsmObject.DownloadHistory(id).map(versions => versions.map(version => version.tags["_last_edit:contributor:uid"])).syncWith(previousEditors)
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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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} |