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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as path from 'path';
import * as vscode from 'vscode';
import { commands, contexts } from '../common/executeCommands';
import { groupBy } from '../common/utils';
import { FolderRepositoryManager, ReposManagerState } from '../github/folderRepositoryManager';
import { IssueModel } from '../github/issueModel';
import { RepositoriesManager } from '../github/repositoriesManager';
import { issueBodyHasLink } from './issueLinkLookup';
import { IssueItem, QueryGroup, StateManager } from './stateManager';
import { issueMarkdown } from './util';
export class QueryNode {
constructor(
public readonly repoRootUri: vscode.Uri,
public readonly queryLabel: string,
public readonly isFirst: boolean
) {
}
}
class IssueGroupNode {
constructor(public readonly repoRootUri: vscode.Uri, public readonly queryLabel, public readonly isInFirstQuery: boolean, public readonly groupLevel: number, public readonly group: string, public readonly groupByOrder: QueryGroup[], public readonly issuesInGroup: IssueItem[]) {
}
}
export class IssuesTreeData
implements vscode.TreeDataProvider<FolderRepositoryManager | QueryNode | IssueGroupNode | IssueItem> {
private _onDidChangeTreeData: vscode.EventEmitter<
FolderRepositoryManager | IssueItem | null | undefined | void
> = new vscode.EventEmitter();
public onDidChangeTreeData: vscode.Event<
FolderRepositoryManager | IssueItem | null | undefined | void
> = this._onDidChangeTreeData.event;
constructor(
private stateManager: StateManager,
private manager: RepositoriesManager,
private context: vscode.ExtensionContext,
) {
context.subscriptions.push(
this.manager.onDidChangeState(() => {
this._onDidChangeTreeData.fire();
}),
);
context.subscriptions.push(
this.stateManager.onDidChangeIssueData(() => {
this._onDidChangeTreeData.fire();
}),
);
context.subscriptions.push(
this.stateManager.onDidChangeCurrentIssue(() => {
this._onDidChangeTreeData.fire();
}),
);
}
private getFolderRepoItem(element: FolderRepositoryManager): vscode.TreeItem {
return new vscode.TreeItem(path.basename(element.repository.rootUri.fsPath), getQueryExpandState(this.context, element, vscode.TreeItemCollapsibleState.Expanded));
}
private getQueryItem(element: QueryNode): vscode.TreeItem {
const item = new vscode.TreeItem(element.queryLabel, getQueryExpandState(this.context, element, element.isFirst ? vscode.TreeItemCollapsibleState.Expanded : vscode.TreeItemCollapsibleState.Collapsed));
item.contextValue = 'query';
return item;
}
private getIssueGroupItem(element: IssueGroupNode): vscode.TreeItem {
return new vscode.TreeItem(element.group, getQueryExpandState(this.context, element, element.isInFirstQuery ? vscode.TreeItemCollapsibleState.Expanded : vscode.TreeItemCollapsibleState.Collapsed));
}
private getIssueTreeItem(element: IssueItem): vscode.TreeItem {
const treeItem = new vscode.TreeItem(`${element.number}: ${element.title}`, vscode.TreeItemCollapsibleState.None);
treeItem.iconPath = element.isOpen
? new vscode.ThemeIcon('issues', new vscode.ThemeColor('issues.open'))
: new vscode.ThemeIcon('issue-closed', new vscode.ThemeColor('issues.closed'));
if (this.stateManager.currentIssue(element.uri)?.issue.number === element.number) {
treeItem.label = `✓ ${treeItem.label as string}`;
treeItem.contextValue = 'currentissue';
} else {
const savedState = this.stateManager.getSavedIssueState(element.number);
if (savedState.branch) {
treeItem.contextValue = 'continueissue';
} else {
treeItem.contextValue = 'issue';
}
}
if (issueBodyHasLink(element)) {
treeItem.contextValue = 'link' + treeItem.contextValue;
}
return treeItem;
}
getTreeItem(element: FolderRepositoryManager | QueryNode | IssueGroupNode | IssueItem): vscode.TreeItem {
if (element instanceof FolderRepositoryManager) {
return this.getFolderRepoItem(element);
} else if (element instanceof QueryNode) {
return this.getQueryItem(element);
} else if (element instanceof IssueGroupNode) {
return this.getIssueGroupItem(element);
} else {
return this.getIssueTreeItem(element);
}
}
getChildren(
element: FolderRepositoryManager | QueryNode | IssueGroupNode | IssueItem | undefined,
): FolderRepositoryManager[] | QueryNode[] | Promise<IssueItem[] | IssueGroupNode[]> {
if (element === undefined && this.manager.state !== ReposManagerState.RepositoriesLoaded) {
return this.getStateChildren();
} else {
return this.getIssuesChildren(element);
}
}
async resolveTreeItem(
item: vscode.TreeItem,
element: FolderRepositoryManager | QueryNode | IssueGroupNode | IssueItem,
): Promise<vscode.TreeItem> {
if (element instanceof IssueModel) {
item.tooltip = await issueMarkdown(element, this.context, this.manager);
}
return item;
}
getStateChildren(): [] {
if ((this.manager.state === ReposManagerState.NeedsAuthentication)
|| !this.manager.folderManagers.length) {
return [];
} else {
commands.setContext(contexts.LOADING_ISSUES_TREE, true);
return [];
}
}
private getRootChildren(): FolderRepositoryManager[] | QueryNode[] | Promise<IssueItem[] | IssueGroupNode[]> {
// If there's only one folder manager go straight to the query nodes
if (this.manager.folderManagers.length === 1) {
return this.getRepoChildren(this.manager.folderManagers[0]);
} else if (this.manager.folderManagers.length > 1) {
return this.manager.folderManagers;
} else {
return [];
}
}
private getRepoChildren(folderManager: FolderRepositoryManager): QueryNode[] | Promise<IssueItem[] | IssueGroupNode[]> {
const issueCollection = this.stateManager.getIssueCollection(folderManager.repository.rootUri);
const queryLabels = Array.from(issueCollection.keys());
if (queryLabels.length === 1) {
return this.getQueryNodeChildren(new QueryNode(folderManager.repository.rootUri, queryLabels[0], true));
}
return queryLabels.map((label, index) => {
const item = new QueryNode(folderManager.repository.rootUri, label, index === 0);
return item;
});
}
private async getQueryNodeChildren(queryNode: QueryNode): Promise<IssueItem[] | IssueGroupNode[]> {
const issueCollection = this.stateManager.getIssueCollection(queryNode.repoRootUri);
const issueQueryResult = await issueCollection.get(queryNode.queryLabel);
if (!issueQueryResult) {
return [];
}
return this.getIssueGroupsForGroupIndex(queryNode.repoRootUri, queryNode.queryLabel, queryNode.isFirst, issueQueryResult.groupBy, 0, issueQueryResult.issues ?? []);
}
private getIssueGroupsForGroupIndex(repoRootUri: vscode.Uri, queryLabel: string, isFirst: boolean, groupByOrder: QueryGroup[], indexInGroupByOrder: number, issues: IssueItem[]): IssueGroupNode[] | IssueItem[] {
if (groupByOrder.length <= indexInGroupByOrder) {
return issues;
}
const groupByValue = groupByOrder[indexInGroupByOrder];
if ((groupByValue !== 'milestone' && groupByValue !== 'repository') || groupByOrder.findIndex(groupBy => groupBy === groupByValue) !== indexInGroupByOrder) {
return this.getIssueGroupsForGroupIndex(repoRootUri, queryLabel, isFirst, groupByOrder, indexInGroupByOrder + 1, issues);
}
const groups = groupBy(issues, issue => {
if (groupByValue === 'repository') {
return `${issue.remote.owner}/${issue.remote.repositoryName}`;
} else {
return issue.milestone?.title ?? 'No Milestone';
}
});
const nodes: IssueGroupNode[] = [];
for (const group in groups) {
nodes.push(new IssueGroupNode(repoRootUri, queryLabel, isFirst, indexInGroupByOrder, group, groupByOrder, groups[group]));
}
return nodes;
}
private async getIssueGroupChildren(issueGroupNode: IssueGroupNode): Promise<IssueItem[] | IssueGroupNode[]> {
return this.getIssueGroupsForGroupIndex(issueGroupNode.repoRootUri, issueGroupNode.queryLabel, issueGroupNode.isInFirstQuery, issueGroupNode.groupByOrder, issueGroupNode.groupLevel + 1, issueGroupNode.issuesInGroup);
}
getIssuesChildren(
element: FolderRepositoryManager | QueryNode | IssueGroupNode | IssueItem | undefined,
): FolderRepositoryManager[] | QueryNode[] | Promise<IssueItem[] | IssueGroupNode[]> {
if (element === undefined) {
return this.getRootChildren();
} else if (element instanceof FolderRepositoryManager) {
return this.getRepoChildren(element);
} else if (element instanceof QueryNode) {
return this.getQueryNodeChildren(element);
} else if (element instanceof IssueGroupNode) {
return this.getIssueGroupChildren(element);
} else {
return [];
}
}
}
const EXPANDED_ISSUES_STATE = 'expandedIssuesState';
function expandStateId(element: FolderRepositoryManager | QueryNode | IssueGroupNode | IssueItem) {
let id: string | undefined;
if (element instanceof FolderRepositoryManager) {
id = element.repository.rootUri.toString();
} else if (element instanceof QueryNode) {
id = `${element.repoRootUri.toString()}/${element.queryLabel}`;
} else if (element instanceof IssueGroupNode) {
id = `${element.repoRootUri.toString()}/${element.queryLabel}/${element.groupLevel}/${element.group}`;
}
return id;
}
export function updateExpandedQueries(context: vscode.ExtensionContext, element: FolderRepositoryManager | QueryNode | IssueGroupNode | IssueItem, isExpanded: boolean) {
const id = expandStateId(element);
if (id) {
const expandedQueries = new Set<string>(context.workspaceState.get(EXPANDED_ISSUES_STATE, []) as string[]);
if (isExpanded) {
expandedQueries.add(id);
} else {
expandedQueries.delete(id);
}
context.workspaceState.update(EXPANDED_ISSUES_STATE, Array.from(expandedQueries.keys()));
}
}
function getQueryExpandState(context: vscode.ExtensionContext, element: FolderRepositoryManager | QueryNode | IssueGroupNode, defaultState: vscode.TreeItemCollapsibleState = vscode.TreeItemCollapsibleState.Expanded): vscode.TreeItemCollapsibleState {
const id = expandStateId(element);
if (id) {
const savedValue = context.workspaceState.get(EXPANDED_ISSUES_STATE);
if (!savedValue) {
return defaultState;
}
const expandedQueries = new Set<string>(savedValue as string[]);
return expandedQueries.has(id) ? vscode.TreeItemCollapsibleState.Expanded : vscode.TreeItemCollapsibleState.Collapsed;
}
return vscode.TreeItemCollapsibleState.None;
}