APTrust/dart

const { BaseController } = require('./base_controller');
const { Context } = require('../../core/context');
const { Job } = require('../../core/job');
const { JobParams } = require('../../core/job_params');
const Templates = require('../common/templates');
const { Workflow } = require('../../core/workflow');
const { WorkflowBatch } = require('../../core/workflow_batch');
const { WorkflowForm } = require('../forms/workflow_form');
const { WorkflowBatchForm } = require('../forms/workflow_batch_form');

const typeMap = {
    userCanDelete: 'boolean',  // part of Workflow
    limit: 'number',           // used in list params
    offset: 'number',          // used in list params
}

class WorkflowController extends BaseController {

    constructor(params) {
        super(params, 'Workflows');
        this.typeMap = typeMap;

        this.model = Workflow;
        this.formClass = WorkflowForm;
        this.formTemplate = Templates.workflowForm;
        this.listTemplate = Templates.workflowList;
        this.nameProperty = 'name';
        this.defaultOrderBy = 'name';
        this.defaultSortDirection = 'asc';
    }

    /**
     * This creates a new job based on a workflow, then redirects
     * the user to the JobController, where they can set up and run
     * the job.
     *
     */
    createJob() {
        let workflow = Workflow.find(this.params.get('workflowId'));
        let jobParams = new JobParams({
            workflowName: workflow.name
        });
        let job = jobParams.toJob();
        if (job == null) {
            let errMsg = Context.y18n.__('Error creating job from workflow.');
            for (let [key, value] of Object.entries(jobParams.errors)) {
                errMsg += `\n\n${key}: ${value}`
            }
            Context.logger.error(errMsg);
            alert(errMsg);
            return this.noContent();
        }
        job.save();
        this.params.set('id', job.id);
        return this.redirect('JobFiles', 'show', this.params);
    }

    /**
     * This presents a form to create a new {@link Workflow} from a
     * {@link Job}. Most of the fields on the form will be automatically
     * populated.
     *
     */
    newFromJob() {
        let job = Job.find(this.params.get('jobId'));
        let workflow = Workflow.fromJob(job);
        let form = new this.formClass(workflow);
        let html = this.formTemplate({ form: form });
        return this.containerContent(html);
    }

    /**
     * This function shows or hides a list of BagIt profiles, based
     * on whether this job includes a bagging step. For jobs that
     * include bagging, the user must speficy a BagIt profile.
     */
    onFormatChange() {
        return function() {
            var format = $("select[name=packageFormat]").val();
            if (format == 'BagIt') {
                $('#jobProfileContainer').show();
            } else {
                $('#jobProfileContainer').hide();
            }
        }
    }

    /**
     * Shows the exported workflow in JSON format in a modal dialog.
     * The user can copy the JSON to the system clipboard from here.
     *
     */
    showExportJson() {
        let id = this.params.get("id")
        let workflow = Workflow.find(id)
        let title = Context.y18n.__("Workflow Export");
        let body = Templates.settingsExportResult({
            json: workflow.exportJson()
        });
        for (let ss of workflow.storageServices()) {
            if (ss.hasPlaintextLogin() || ss.hasPlaintextPassword()) {
                alert(Context.y18n.__('Warning: One or more storage service records in this workflow contains a plaintext password. This workflow will still run, but for safety, you should use environment variables such as "env:AWS_SECRET_API_KEY". For more info see:\n\nhttps://aptrust.github.io/dart-docs/users/settings/storage_services/#password'))
                break
            }
        }
        return this.modalContent(title, body);
    }


    /**
     * The postRenderCallback attaches event handlers to elements
     * that this controller has just rendered.
     */
    postRenderCallback(fnName) {
        if (fnName == 'newFromJob') {
            $("select[name=packageFormat]").change(this.onFormatChange());
        } else if (fnName == 'showExportJson') {
            $('#btnCopyToClipboard').click(function() {
                var copyText = document.querySelector("#txtJson");
                copyText.select();
                document.execCommand("copy");
                $("#copied").show();
                $("#copied").fadeOut({duration: 1800});
            });
        }
    }

}

module.exports.WorkflowController = WorkflowController;