add feature: set default server

backend/internal/host.js

@@ -228,8 +228,32 @@ const internalHost = {
 		}
 
 		return response;
-	}
+	},
 
+	/**
+	 * Internal use only, checks to see if the there is another default server record
+	 *
+	 * @param   {String}   hostname
+	 * @param   {String}   [ignore_type]   'proxy', 'redirection', 'dead'
+	 * @param   {Integer}  [ignore_id]     Must be supplied if type was also supplied
+	 * @returns {Promise}
+	 */
+	checkDefaultServerNotExist: function (hostname) {
+		let promises = proxyHostModel
+			.query()
+			.where('default_server', true)
+			.andWhere('domain_names', 'not like', '%' + hostname + '%');
+
+		
+		return Promise.resolve(promises)
+			.then((promises_results) => {
+				if (promises_results.length > 0){
+					return false;
+				}
+				return true;
+			});
+		
+	}
 };
 
 module.exports = internalHost;

backend/internal/nginx.js

@@ -185,7 +185,7 @@ const internalNginx = {
 		// Prevent modifying the original object:
 		let host             = JSON.parse(JSON.stringify(host_row));
 		const nice_host_type = internalNginx.getFileFriendlyHostType(host_type);
-
+		
 		if (config.debug()) {
 			logger.info('Generating ' + nice_host_type + ' Config:', JSON.stringify(host, null, 2));
 		}

backend/internal/proxy-host.js

@@ -43,6 +43,22 @@ const internalProxyHost = {
 						});
 					});
 			})
+			.then(() => {
+				// Get a list of the domain names and check each of them against default records
+				if (data.default_server){
+					if (data.domain_names.length > 1) {
+						throw new error.ValidationError('Default server cant be set for multiple domain!');
+					}
+	
+					return internalHost
+						.checkDefaultServerNotExist(data.domain_names[0])
+						.then((result) => {
+							if (!result){
+								throw new error.ValidationError('One default server already exists');
+							}
+						});
+				}
+			})
 			.then(() => {
 				// At this point the domains should have been checked
 				data.owner_user_id = access.token.getUserId(1);
@@ -140,6 +156,22 @@ const internalProxyHost = {
 						});
 				}
 			})
+			.then(() => {
+				// Get a list of the domain names and check each of them against default records
+				if (data.default_server){
+					if (data.domain_names.length > 1) {
+						throw new error.ValidationError('Default server cant be set for multiple domain!');
+					}
+	
+					return internalHost
+						.checkDefaultServerNotExist(data.domain_names[0])
+						.then((result) => {
+							if (!result){
+								throw new error.ValidationError('One default server already exists');
+							}
+						});
+				}
+			})
 			.then(() => {
 				return internalProxyHost.get(access, {id: data.id});
 			})