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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.
*--------------------------------------------------------------------------------------------*/
'use strict';
import { CancellationToken, commands, Disposable, scm, SourceControl, SourceControlResourceGroup, SourceControlResourceState, Uri, window, workspace } from 'vscode';
import * as nls from 'vscode-nls';
import { IChangeStore } from './changeStore';
import { GitHubApi, CommitOperation } from './github/api';
import { getRelativePath } from './extension';
const localize = nls.loadMessageBundle();
interface ScmProvider {
sourceControl: SourceControl,
groups: SourceControlResourceGroup[]
}
export class VirtualSCM implements Disposable {
private readonly providers: ScmProvider[] = [];
private disposable: Disposable;
constructor(
private readonly originalScheme: string,
private readonly github: GitHubApi,
private readonly changeStore: IChangeStore,
) {
this.registerCommands();
// TODO@eamodio listen for workspace folder changes
for (const folder of workspace.workspaceFolders ?? []) {
this.createScmProvider(folder.uri, folder.name);
for (const operation of changeStore.getChanges(folder.uri)) {
this.update(folder.uri, operation.uri);
}
}
this.disposable = Disposable.from(
changeStore.onDidChange(e => this.update(e.rootUri, e.uri)),
);
}
dispose() {
this.disposable.dispose();
}
private registerCommands() {
commands.registerCommand('githubBrowser.commit', (sourceControl: SourceControl | undefined) => {
// TODO@eamodio remove this hack once I figure out why the args are missing
if (sourceControl === undefined && this.providers.length === 1) {
sourceControl = this.providers[0].sourceControl;
}
if (sourceControl === undefined) {
return;
}
this.commitChanges(sourceControl);
});
commands.registerCommand('githubBrowser.discardChanges', (resourceState: SourceControlResourceState) =>
this.discardChanges(resourceState.resourceUri)
);
commands.registerCommand('githubBrowser.openChanges', (resourceState: SourceControlResourceState) =>
this.openChanges(resourceState.resourceUri)
);
commands.registerCommand('githubBrowser.openFile', (resourceState: SourceControlResourceState) =>
this.openFile(resourceState.resourceUri)
);
}
async commitChanges(sourceControl: SourceControl): Promise<void> {
const operations = this.changeStore
.getChanges(sourceControl.rootUri!)
.map<CommitOperation>(operation => {
const path = getRelativePath(sourceControl.rootUri!, operation.uri);
switch (operation.type) {
case 'created':
return { type: operation.type, path: path, content: this.changeStore.getContent(operation.uri)! };
case 'changed':
return { type: operation.type, path: path, content: this.changeStore.getContent(operation.uri)! };
case 'deleted':
return { type: operation.type, path: path };
}
});
if (!operations.length) {
window.showInformationMessage(localize('no changes', "There are no changes to commit."));
return;
}
const message = sourceControl.inputBox.value;
if (message) {
const sha = await this.github.commit(this.getOriginalResource(sourceControl.rootUri!), message, operations);
if (sha !== undefined) {
this.changeStore.acceptAll(sourceControl.rootUri!);
sourceControl.inputBox.value = '';
}
}
}
discardChanges(uri: Uri): Promise<void> {
return this.changeStore.discard(uri);
}
openChanges(uri: Uri) {
return this.changeStore.openChanges(uri, this.getOriginalResource(uri));
}
openFile(uri: Uri) {
return this.changeStore.openFile(uri);
}
private update(rootUri: Uri, uri: Uri) {
const folder = workspace.getWorkspaceFolder(uri);
if (folder === undefined) {
return;
}
const provider = this.createScmProvider(rootUri, folder.name);
const group = this.createChangesGroup(provider);
group.resourceStates = this.changeStore.getChanges(rootUri).map<SourceControlResourceState>(op => {
const rs: SourceControlResourceState = {
decorations: {
strikeThrough: op.type === 'deleted'
},
resourceUri: op.uri,
command: {
command: 'githubBrowser.openChanges',
title: 'Open Changes',
}
};
rs.command!.arguments = [rs];
return rs;
});
}
private createScmProvider(rootUri: Uri, name: string) {
let provider = this.providers.find(sc => sc.sourceControl.rootUri?.toString() === rootUri.toString());
if (provider === undefined) {
const sourceControl = scm.createSourceControl('github', name, rootUri);
sourceControl.quickDiffProvider = { provideOriginalResource: uri => this.getOriginalResource(uri) };
sourceControl.acceptInputCommand = {
command: 'githubBrowser.commit',
title: 'Commit',
arguments: [sourceControl]
};
sourceControl.inputBox.placeholder = `Message (Ctrl+Enter to commit '${name}')`;
// sourceControl.inputBox.validateInput = value => value ? undefined : 'Invalid commit message';
provider = { sourceControl: sourceControl, groups: [] };
this.createChangesGroup(provider);
this.providers.push(provider);
}
return provider;
}
private createChangesGroup(provider: ScmProvider) {
let group = provider.groups.find(g => g.id === 'github.changes');
if (group === undefined) {
group = provider.sourceControl.createResourceGroup('github.changes', 'Changes');
provider.groups.push(group);
}
return group;
}
private getOriginalResource(uri: Uri, _token?: CancellationToken): Uri {
return uri.with({ scheme: this.originalScheme });
}
}