Automate DB creation

This addresses #108 and (partly) #91
- Introduce `siteconfig` vars `dbSchemaFile` and `dbFile`
- Add a schema textfile for the DB `dbFile:lexonomy.sqlite`
- Use this file during `node adminscripts/init.js` and init the DB

data/lexonomy.sqlite.schema

@@ -0,0 +1,10 @@
+CREATE TABLE dicts (id TEXT PRIMARY KEY, title TEXT);
+CREATE INDEX title ON dicts (title);
+CREATE TABLE users (email TEXT PRIMARY KEY, passwordHash TEXT, sessionKey TEXT, sessionLast DATETIME, apiKey TEXT, ske_id INTEGER, ske_username TEXT, consent INTEGER, ske_apiKey TEXT);
+CREATE INDEX email_password ON users (email, passwordHash);
+CREATE INDEX email_session ON users (email, sessionKey, sessionLast);
+CREATE TABLE user_dict (id INTEGER PRIMARY KEY AUTOINCREMENT, dict_id TEXT, user_email TEXT);
+CREATE INDEX dict_id ON user_dict (dict_id);
+CREATE INDEX user_email ON user_dict (user_email);
+CREATE TABLE recovery_tokens (email text, requestAddress text, token text, expiration datetime, usedDate datetime, usedAddress text);
+CREATE TABLE register_tokens (email text, requestAddress text, token text, expiration datetime, usedDate datetime, usedAddress text);

website/adminscripts/init.js

@@ -4,10 +4,34 @@ const sqlite3 = require('sqlite3').verbose(); //https://www.npmjs.com/package/sq
 const sha1 = require('sha1'); //https://www.npmjs.com/package/sha1
 
 fs.readFile(path.join(__dirname, "../siteconfig.json"), "utf8", function(err, content){
+  if (err) {
+     console.log(err);
+  }
   var siteconfig=JSON.parse(content);
+  var dbFile = path.join(siteconfig.dataDir, siteconfig.dbFile);
+
+  // Prepare to initialise the DB
+  var db = new sqlite3.Database(dbFile, function(err){
+    if (err) {
+        console.log(err)
+        return
+    }
+    console.log('Connected to ' + dbFile + ' database.')
+  });
+  // Read the DB Schema into a String
+  var dbSchema = fs.readFileSync(path.join(siteconfig.dataDir, siteconfig.dbSchemaFile), 'utf8');
+  // Initialise the DB (in case it already exists this will print warninigs)
+  db.exec(dbSchema, function(err){
+      if (err) {
+          console.log(err);
+          console.log("Likely the DB has already been created.");
+      } else {
+          console.log("Initialised " + siteconfig.dbFile + " with: \n" + dbSchema);
+      }
+  });
+
   var password="lexonomy";
   var passwordHash=sha1(password);
-  var db=new sqlite3.Database(path.join(siteconfig.dataDir, "lexonomy.sqlite"), sqlite3.OPEN_READWRITE, function(){db.run('PRAGMA foreign_keys=on')});
   for(var i=0; i<siteconfig.admins.length; i++){
     var email=siteconfig.admins[i];
     insertUser(db, email, password, passwordHash);

website/siteconfig.json.template

@@ -4,6 +4,8 @@
   "rootPath": "/",
   "port": 8080,
   "dataDir": "../data/",
+  "dbSchemaFile": "lexonomy.sqlite.schema",
+  "dbFile": "lexonomy.sqlite",
   "verbose": true,
   "admins": ["root@localhost"],
   "trackingCode": "",