@tririga/tri-pull/lib/server/tri-web-component.js

A tool for pulling the UX view source files from the TRIRIGA server.

"use strict";

const http = require("http");
const https = require("https");
const url = require("url");
const TriWebSignon = require("./tri-web-signon.js");

const GET_VIEW_DATA_PATH = "/p/components/views/";
const VIEW_COMPONENTS_PATH = "/p/components/tri_view_components/";

class TriWebComponent {
  constructor(target) {
    this.target = target;
    this.getViewDataUrl = new url.URL(this.target + GET_VIEW_DATA_PATH);
    this.viewComponentsUrl = new url.URL(this.target + VIEW_COMPONENTS_PATH);
    this.protocol = this.getViewDataUrl.protocol === "https:" ? https : http;
  }

  getViewData(viewName, polymerVersion, webapp) {
    return new Promise((resolve, reject) => {
      if (!TriWebSignon.isUserAuthenticated()) {
        reject(new Error("No authenticated user."));
      }
      const options = this.createGetViewDataRequestOptions(
        viewName,
        polymerVersion,
        webapp
      );

      const req = this.protocol.request(options, (resp) => {
        let content = "";

        resp.on("data", (d) => {
          content += d;
        });

        resp.on("end", () => {
          switch (resp.statusCode) {
            case 401:
              reject(new Error("GetViewData operation was not authorized."));
              break;
            case 404:
              reject(
                new Error(
                  `There is no ${
                    webapp ? "Web Application" : "view"
                  } with exposed name equals to ${viewName}${
                    !webapp
                      ? ` and polymer version equals to ${polymerVersion}`
                      : ""
                  }.`
                )
              );
              break;
            case 200:
              resolve(JSON.parse(content));
              break;
            default:
              reject(
                new Error(
                  "Unknown error occurred while running GetViewData operation for the view: " +
                    viewName
                )
              );
              break;
          }
        });
      });
      req.on("error", (e) => {
        reject(
          new Error(
            `Unknown error occurred while running GetViewData operation for the view: ${viewName}, Error: ${e.message}`
          )
        );
      });
      req.end();
    });
  }

  getViewFile(viewFilePath, viewName, polymerVersion, webapp) {
    return new Promise((resolve, reject) => {
      if (!TriWebSignon.isUserAuthenticated()) {
        reject(new Error("No authenticated user."));
      }
      const options = this.createGetViewFileRequestOptions(
        viewFilePath,
        viewName,
        polymerVersion,
        webapp
      );

      const req = this.protocol.request(options, (resp) => {
        let content = "";

        resp.on("data", (d) => {
          content += d;
        });

        resp.on("end", () => {
          switch (resp.statusCode) {
            case 401:
              reject(new Error("GetViewFile operation was not authorized."));
              break;
            case 404:
              reject(
                new Error(
                  `There is no view file at this path ${viewName}/${viewFilePath}.`
                )
              );
              break;
            case 200:
              resolve(content);
              break;
            default:
              reject(
                new Error(
                  `Unknown error occurred while running GetViewFile operation for the view file at this path: ${viewName}/${viewFilePath}`
                )
              );
              break;
          }
        });
      });
      req.on("error", (e) => {
        reject(
          new Error(
            `Unknown error occurred while running GetViewFile operation for the view file at this path: ${viewName}/${viewFilePath}`
          )
        );
      });
      req.end();
    });
  }

  createGetViewDataRequestOptions(viewName, polymerVersion, webapp) {
    let path = `${this.getViewDataUrl.pathname}${viewName}`;
    path += webapp ? "?customApp=true" : `?polymerVersion=${polymerVersion}`;
    const options = {
      hostname: this.getViewDataUrl.hostname,
      port: this.getViewDataUrl.port,
      path,
      method: "GET",
      headers: {
        Cookie: TriWebSignon.getAuthenticatedUser().cookies,
      },
    };
    if (TriWebSignon.getAuthenticatedUser().basicAuth) {
      options.auth = TriWebSignon.getAuthenticatedUser().basicAuth;
    }
    return options;
  }

  createGetViewFileRequestOptions(
    viewFilePath,
    viewName,
    polymerVersion,
    webapp
  ) {
    let path = `${this.viewComponentsUrl.pathname}${viewName}${viewFilePath}`;
    path += webapp ? "?customApp=true" : `?polymerVersion=${polymerVersion}`;
    const options = {
      hostname: this.getViewDataUrl.hostname,
      port: this.getViewDataUrl.port,
      path,
      method: "GET",
      headers: {
        Cookie: TriWebSignon.getAuthenticatedUser().cookies,
      },
    };
    if (TriWebSignon.getAuthenticatedUser().basicAuth) {
      options.auth = TriWebSignon.getAuthenticatedUser().basicAuth;
    }
    return options;
  }
}

module.exports = TriWebComponent;