import Express from 'express'
import { AbstractConsoleCommand } from './Base/Console/AbstractConsoleCommand'
import { DbService } from './Database/Service/DbService'
import { HelpCommand } from './Base/Console/HelpCommand'
import { LoggerService } from './Logger/Service/LoggerService'
import { IssueService } from './Project/Service/IssueService'
import { GitlabService } from './Gitlab/Service/GitlabService'
import { LocalCacheService } from './Base/Service/LocalCacheService'
import { ProjectService } from './Project/Service/ProjectService'
import { GroupService } from './Project/Service/GroupService'
import { UserService } from './User/Service/UserService'
import { UpdateProjectsCommand } from './Gitlab/Console/UpdateProjectsCommand'
import { CreateMigrationCommand } from './Database/Console/CreateMigrationCommand'
import { MigrateCommand } from './Database/Console/MigrateCommand'
import { MigrateUndoCommand } from './Database/Console/MigrateUndoCommand'
import IssueController from './Project/Controller/IssueController'
import fs from 'fs'

export class Application {
    public http!: Express.Express

    // Services
    public localCacheService!: LocalCacheService
    public loggerService!: LoggerService
    public dbService!: DbService
    public gitlabService!: GitlabService
    public issueService!: IssueService
    public projectService!: ProjectService
    public groupService!: GroupService
    public userService!: UserService

    // Commands
    public helpCommand!: HelpCommand
    public createMigrationCommand!: CreateMigrationCommand
    public migrateCommand!: MigrateCommand
    public migrateUndoCommand!: MigrateUndoCommand
    public updateProjectsCommand!: UpdateProjectsCommand

    // Controllers
    public issueController!: IssueController

    public constructor(public readonly config: IConfig) {
        if (config.columns.length < 2) {
            throw new Error('There are too few columns :-(')
        }
    }

    public async run() {
        this.initializeServices()
        if (process.argv[2]) {
            this.initializeCommands()
            for (const command of Object.values(this)
                .filter((c: any) => c instanceof AbstractConsoleCommand) as AbstractConsoleCommand[]
            ) {
                if (command.name === process.argv[2]) {
                    await command.execute()
                    process.exit()
                }
            }
            await this.helpCommand.execute()
            process.exit()
        } else {
            this.runWebServer()
        }
    }

    protected runWebServer() {
        this.initCron()
        this.http = Express()
        this.http.use('/', Express.static('vue/dist'))
        this.http.use((req, res, next) => {
            if (req.url.indexOf('/api') === -1) {
                res.header('Cache-Control', 'private, no-cache, no-store, must-revalidate')
                res.header('Expires', '-1')
                res.header('Pragma', 'no-cache')
                return res.send(fs.readFileSync('vue/dist/index.html').toString())
            }
            next()
        })
        this.http.use(Express.urlencoded())
        this.http.use(Express.json())
        this.http.listen(this.config.listen, () => console.log(`Listening on port ${this.config.listen}`))

        this.initializeControllers()
    }

    protected initCron() {
        if (this.config.gitlab.updateInterval) {
            setInterval(async () => {
                if (!this.updateProjectsCommand) {
                    this.updateProjectsCommand = new UpdateProjectsCommand(this)
                }
                await this.updateProjectsCommand.execute()
            }, this.config.gitlab.updateInterval * 1000)
        }
    }

    protected initializeServices() {
        this.localCacheService = new LocalCacheService(this)
        this.gitlabService = new GitlabService(this)
        this.loggerService = new LoggerService(this)
        this.dbService = new DbService(this)
        this.issueService = new IssueService(this)
        this.projectService = new ProjectService(this)
        this.groupService = new GroupService(this)
        this.userService = new UserService(this)
    }

    protected initializeCommands() {
        this.helpCommand = new HelpCommand(this)
        this.createMigrationCommand = new CreateMigrationCommand(this)
        this.migrateCommand = new MigrateCommand(this)
        this.migrateUndoCommand = new MigrateUndoCommand(this)
        this.updateProjectsCommand = new UpdateProjectsCommand(this)
    }

    protected initializeControllers() {
        this.issueController = new IssueController(this)
    }

}

import { AbstractService } from '../../Base/Service/AbstractService'
import { Project } from '../Entity/Project'

export class ProjectService extends AbstractService {

    public get projectRepository() {
        return this.app.dbService.connection.getRepository(Project)
    }

    public async updateProjects(allTime = false) {
        await this.app.groupService.updateGroups()
        for (const data of await this.app.gitlabService.getProjects()) {
            let project = await this.getProject(data.id)

            if (!project) {
                project = this.projectRepository.create({ id: data.id })
            }
            project.name = data.name
            project.url = data.web_url
            project.updatedTimestamp = Math.round(new Date(data.last_activity_at).getTime() / 1000)
            project.groupId = data.namespace && data.namespace.kind === 'group' ? data.namespace.id : null
            await this.projectRepository.save(project)
            await this.app.issueService.updateProjectIssues(project, allTime)
        }
    }

    public async getProject(id: number): Promise<Project|undefined> {
        return id ? this.app.localCacheService.get(`project.${id}`, () => this.projectRepository.findOne(id)) : undefined
    }

}

import CreateExpress, { Express } from 'express';
import { TwingEnvironment, TwingLoaderFilesystem } from 'twing';
import { Container } from '@karcass/container';
import { Cli } from '@karcass/cli';
import { Connection, createConnection } from 'typeorm';
import { CreateMigrationCommand, MigrateCommand, MigrateUndoCommand } from '@karcass/migration-commands';
import { createLogger } from './routines/createLogger';
import { Logger } from 'winston';
import { FrontPageController } from './SampleBundle/Controller/FrontPageController';
import { Message } from './SampleBundle/Entity/Message';
import { MessagesService } from './SampleBundle/Service/MessagesService';

export class Application {
    private container = new Container();
    private console = new Cli();
    private controllers: object[] = [];
    private http!: Express;

    public constructor(public readonly config: IConfig) { }

    public async run() {
        await this.initializeServices();

        if (process.argv[2]) {
            this.initializeCommands();
            await this.console.run();
        } else {
            this.runWebServer();
        }
    }

    protected runWebServer() {
        this.http = CreateExpress();
        this.http.use('/public', CreateExpress.static('public'));
        this.http.use(CreateExpress.urlencoded());
        this.http.listen(this.config.listen, () => console.log(`Listening on port ${this.config.listen}`));

        this.container.add<Express>('express', () => this.http);
        this.container.add(TwingEnvironment, () => new TwingEnvironment(new TwingLoaderFilesystem('src')));

        this.initializeControllers();
    }

    protected async initializeServices() {
        await this.container.addInplace<Logger>('logger', () => createLogger(this.config.logdir));
        const typeorm = await this.container.addInplace(Connection, () => createConnection({
            type: 'sqlite',
            database: 'db/sample.sqlite',
            entities: ['build/**/Entity/*.js'],
            migrations: ['build/**/Migrations/*.js'],
            logging: ['error', 'warn', 'migration'],
        }));
        this.container.add('Repository<Message>', () => typeorm.getRepository(Message));
        this.container.add(MessagesService);
    }

    protected initializeCommands() {
        this.console.add(CreateMigrationCommand, () => new CreateMigrationCommand());
        this.console.add(MigrateCommand, async () => new MigrateCommand(await this.container.get(Connection)));
        this.console.add(MigrateUndoCommand, async () => new MigrateUndoCommand(await this.container.get(Connection)));
    }

    protected async initializeControllers() {
        this.controllers.push(
            await this.container.inject(FrontPageController),
        );
    }

}

import { Express } from 'express';
import { Dependency } from '@karcass/container';
import { TwingEnvironment } from 'twing';
import { AbstractController, QueryData } from './AbstractController';
import { MessagesService } from '../Service/MessagesService';

export class FrontPageController extends AbstractController {

    public constructor(
        @Dependency('express') protected express: Express,
        @Dependency(TwingEnvironment) protected twing: TwingEnvironment,
        @Dependency(MessagesService) protected messagesService: MessagesService,
    ) {
        super(express);

        this.onQuery('/', 'get', this.frontPageAction);
        this.onQuery('/', 'post', this.sendMessageAction);
    }

    public async sendMessageAction(data: QueryData) {
        await this.messagesService.addMessage(data.params.text);
        data.res.redirect('/');
    }

    public async frontPageAction() {
        if (await this.messagesService.isEmpty()) {
            await this.messagesService.createSampleMessages();
        }
        return this.twing.render('SampleBundle/Views/front.twig', {
            messages: await this.messagesService.getMessages(),
        });
    }

}