Add update-explorer script

-Added new script to A) grab the latest code form github, B) update all dependencies, and C) run the database initialize function to ensure new changes take effect immidiately -Updated README to explain the new explorer update function
2022-05-01 15:00:34 -06:00
parent 44caca42b1
commit f113fde981
3 changed files with 93 additions and 1 deletions
@@ -0,0 +1,78 @@
+const { execSync } = require('child_process');
+const fs = require('fs');
+const mongoose = require('mongoose');
+
+// exit function used to cleanup before finishing script
+function exit(exitCode) {
+  // disconnect mongo connection
+  mongoose.disconnect();
+
+  // exit process
+  process.exit(exitCode);
+}
+
+var response;
+
+// check if the .git directory exists
+if (fs.existsSync('./.git')) {
+  // update to newest explorer source
+  console.log('Downloading newest explorer code.. Please wait..');
+
+  try {
+    response = execSync('git pull');
+
+    // split response string by new line
+    var splitResponse = (response == null ? '' : response.toString()).split('\n').filter(element => element);
+
+    // check if the response was a single line which indicates it was already up-to-date
+    if (splitResponse.length == 1) {
+      // explorer code was already up-to-date
+      console.log('Explorer code is already up-to-date');
+    } else {
+      console.log(response.toString().trim());
+      console.log('Explorer code successfully updated');
+    }
+  } catch(err) {
+    console.log('Error updating explorer code. Maybe git is not installed globally?');
+  }
+} else {
+  console.log('WARNING: Explorer code not cloned from github and cannot be automatically updated!');
+  console.log('Skipping explorer code update');
+}
+
+// update npm modules to latest versions according to package.json rules
+console.log('Updating out-of-date explorer packages.. Please wait..');
+execSync('npm update');
+
+// check for outdated packages
+try {
+  execSync('npm outdated');
+
+  // all packages are up-to-date
+  console.log('All explorer packages are up-to-date');
+} catch (err) {
+  console.log(`The following packages are still out-of-date:\n${err.stdout.toString().trim()}`);
+}
+
+// load database and settings files after being updated
+const db = require('../lib/database');
+const settings = require('../lib/settings');
+
+var dbString = 'mongodb://' + settings.dbsettings.user;
+dbString = dbString + ':' + settings.dbsettings.password;
+dbString = dbString + '@' + settings.dbsettings.address;
+dbString = dbString + ':' + settings.dbsettings.port;
+dbString = dbString + '/' + settings.dbsettings.database;
+
+// connect to mongo database
+mongoose.connect(dbString, function(err) {
+  if (err) {
+    console.log('Error: Unable to connect to database: %s', dbString);
+    exit(999);
+  } else {
+    // initialize the database
+    db.initialize_data_startup(function() {
+      exit(0);
+    });
+  }
+});