Add start up checks

src/server.js

@@ -11,30 +11,7 @@ const ejs = require("ejs")
 const func = require("./functions.js")
 const data = require("./data.js")
 
-
-// Define the modules now so they are global
-let users // contains a list of users, each user is an object containing username,prettyname,hash and description
-let posts // contains a list of posts,
-let comments // contains a list of comments
-let config // contains a set of configuration for the site, see example-config.js for an example
-
 config = require('../config.json');
-if (config["data_storage"] == "json") {
-	try {
-	    // We're going to try and import the modules,
-	    users = require('../data/users.json');
-	    posts = require('../data/posts.json');
-	    comments = require('../data/comments.json');
-	}
-	catch (error) {
-	    // if they don't all import then 
-	    // inform the user to pass --first-time and exit with an error code
-	    console.log("A file is missing!")
-	    console.log("Run 'make' to initialise the data files")
-	    console.log(error)
-	    process.exit(1)
-	}
-}
 
 // Import the locale
 try {
@@ -67,6 +44,45 @@ app.use('/', standard_pages_routes);
 app.use('/', forms_routes);
 app.use('/', form_actions_routes);
 
+function perform_checks()
+{
+        console.log("Performing startup checks...")
+        exit_flag = false
+        required_values = ['site_admin','seperator','site_name','site_url','locale','port','cache_data','allow_signup','site_description','request_data_limit','enable_hitcount','charset','root_path','edit_account_base_url','new_post_url','signup_url','default_commenter_username','rss','atom','date_format','time_zone','css']
+        // Perform some standard checks:
+
+        // data_storage
+        switch (config.data_storage)
+        {
+                case 'mysql':
+                case 'json':
+                        break
+                default:
+                        console.log("[ ERROR ] invalid value in `data_storage`\nPlease modify config.json. Value should be 'mysql' or 'json'.")
+                        exit_flag = true
+        }
+        // auto_generated
+        if (config.auto_generated)
+        {
+                console.log("[ ERROR ] `autogenerated` option set to true\nplease edit the config.json file to include your relevant information, then set to false or remove the autogenerated option.")
+                exit_flag = true
+        }
+        // Check required values are present
+        required_values.forEach((value) => { // Use a loop to check each required value is present
+                if (typeof config[value] == 'undefined') {
+                        exit_flag = true
+                        console.log(`[ ERROR ] \`${value}\` is undefined\nPlease set it to something, read the documentation for help.`)
+                }
+        });
+        if (exit_flag)
+        {
+                console.log("Exiting due to errors.")
+                process.exit(1)
+        }
+}
+perform_checks()
+
+
 app.listen(config.port, () => {
 	console.log(`Server is running at http://localhost:${config.port} webroot: ${config.root_path}`);
     console.log("Running in: ", __dirname)