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core.js
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core.js
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var path = require("path");
var http = require("http");
var ModuleManager = require("./module/module-manager.js");
var ConfigManager = require("./config/config-manager.js");
function SealiousCore(path_to_package_json, mode, layer_name){
this.mode = mode || "local";
this.layer_name = layer_name || null;
if(this.mode=="local"){
this.dispatcher = require("../lib/dispatchers/local/dispatcher-local.js");
}else{
this.dispatcher = require("../lib/dispatchers/" + this.layer_name + "/dispatcher-" + this.layer_name + ".js");
}
this.init(require(path_to_package_json));
}
SealiousCore.prototype = new function(){
var check_version = function(package_info){
var pkg = require("../package.json")
var pkg_split = pkg.version.split(".");
var version = pkg_split[0]+"."+pkg_split[1];
var url = "http://registry.npmjs.org/sealious/"+version;
http.get(url, function(res) {
res.setEncoding('utf8');
var body = "";
res.on('data', function (chunk) {
body += chunk.toString();
});
res.on('end', function(){
var sealious_npm = JSON.parse(body);
var sealious_npm_array = sealious_npm.version.split(".");
if ((sealious_npm.version !== pkg.version) && (parseInt(sealious_npm_array[2]) > parseInt(pkg_split[2]) )) {
Sealious.Logger.warning("Sealious@"+pkg.version+" - update available. Run `npm install sealious@"+sealious_npm.version+"` to update.");
}
else {
Sealious.Logger.info("Sealious@"+pkg.version+" is up-to-date.");
}
});
});
}
this.load_base_modules = function(){
ModuleManager.add_module(require.resolve("sealious-base-chips"))
}
this.config = function(config_object){
ConfigManager.set_config(config_object);
}
this.config_from_file = function(path_to_file){
this.config(require(path_to_file));
}
this.init = function(package_info){
//check_version(package_info);
this.load_base_modules();
this.load_all_modules(package_info);
}
this.load_all_modules = function(package_info){
var dependencies = package_info.dependencies;
for(var dependency_name in dependencies){
try{
var dependency_path = require.resolve(dependency_name);
}catch(e){
//in case the module is npm link-ed
var dependency_path = require.resolve(path.resolve(module.parent.parent.filename, "../node_modules/"+dependency_name));
}
var dep_info = path.parse(dependency_path);
if(dep_info.name=="sealious-module" && dep_info.ext==".json"){
ModuleManager.add_module(dependency_path);
}
}
ModuleManager.initialize_all(this.dispatcher);
}
var which_chip_types_to_start_for_layer = {
db: ["datastore"],
biz: ["field_type", "resource_type", "service"],
web: ["field_type", "resource_type", "channel"]
}
function decide_chip_types_to_start(mode, layer_name){
if(mode=="local"){
return ["field_type", "resource_type", "service", "channel", "datastore"];
//}else if(!(layer_name)){
// throw new Sealious.Errors.ValidationError("Invalid layer name: " + layer_name); //~
}else{
return which_chip_types_to_start_for_layer[layer_name];
}
}
function getDispatcher(mode, layer_name){
if(mode=="local"){
var dispatcher_path = "./dispatchers/local/dispatcher-local.js";
}else{
var dispatcher_path = "./dispatchers/" + layer_name + "/dispatcher-" + layer_name + ".js";
}
return require(dispatcher_path);
}
this.start = function(){
Sealious.Dispatcher = this.dispatcher;
this.dispatcher.init();
this.dispatcher.start();
var chip_types_to_start = decide_chip_types_to_start(this.mode, this.layer_name);
return ModuleManager.start(chip_types_to_start);
}
}
module.exports = SealiousCore;

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