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(function(window) {
'use strict';
// Library NameSpace
var lns = 'amivcore'
function libgen() {
// Lib to returned
var lib = {};
// Core
var core = {
// Important vars n' stuff
lib: {
api_url: 'https://amiv-apidev.vsos.ethz.ch',
// api_url: 'http://192.168.1.100',
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spec_url: 'lib/amiv/spec.json',
//spec_url: 'https://nicco.io/amiv/docs/spec.json',
authenticated: false,
ready: false,
req_time_out: 5000,
on_interval: 100,
auth_interval: 5000,
auth_allowed_fails: 5,
auth_fails: 0,
show_errors: false,
},
// Header Setup
header: {
req: {
'get': ['Content-Type', 'Authorization'],
'post': ['Content-Type', 'Authorization'],
'put': ['Content-Type', 'Authorization', 'If-Match'],
'patch': ['Content-Type', 'Authorization', 'If-Match'],
'delete': ['Content-Type', 'Authorization', 'If-Match'],
},
make: {
'Content-Type': function() {
return 'application/json'
},
'Authorization': function() {
if (get('cur_token') != null)
return 'Basic ' + btoa(get('cur_token') + ':');
return '';
},
'If-Match': function() {
return null;
}
}
},
adapter: {
'none': function(ret) {
return ret;
},
'string': function(strg) {
return String(strg);
},
'integer': function(int) {
return parseInt(int);
},
'boolean': function(bool) {
return (String(bool).trim().toLowerCase() == 'true' || bool === true || bool === 1)
},
'datetime': function(dt) {
var tmp = new Date(dt);
return new Date(dt).toISOString().split('.')[0]+"Z";
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}
}
}
// Utility empty function for no callback
function dummy() {};
//Save and get into localStorage
function set(cname, cvalue, exdays) {
window.localStorage.setItem('glob-' + cname, cvalue);
}
function get(cname) {
return window.localStorage.getItem('glob-' + cname);
}
// Make Request
function req(attr, callback) {
callback = callback || function(msg) {
console.log(msg);
};
$.ajax({
url: core.lib.api_url + attr.path,
data: attr.data,
method: attr.method,
dataType: 'json',
timeout: core.lib.req_time_out,
headers: attr.headers,
error: function(res) {
if (core.lib.show_errors) console.log(res);
callback(res);
},
}).done(function(res) {
callback(res);
});
}
function makeFunc(domain, m) {
return function(attr, callback) {
attr = attr || {};
var curLib = {}
for (var curAttr in attr['data']) {
var curAttrType = lib.getParamType(domain, curAttr);
if (core.adapter.hasOwnProperty(curAttrType))
curLib[curAttr] = core.adapter[lib.getParamType(domain, curAttr)](attr['data'][curAttr]);
else
curLib[curAttr] = attr['data'][curAttr];
}
//curLib[curAttr] = attr['data'][curAttr];
var hdr = {};
for (var curHdr in attr['header'])
hdr[curHdr] = attr['header'][curHdr];
var curPath = '/' + domain;
var curLink = curPath;
if (attr['id'] != undefined) {
curPath += '/' + attr['id'];
curLink += '/{_id}';
}
if (get('cur_token') != null)
hdr['Authorization'] = 'Basic ' + btoa(get('cur_token') + ':');
if (m != 'GET') {
if (m == 'POST' || m == 'PUT')
for (var param in lib[domain]['methods'][m][curLink]['params'])
if (lib[domain]['methods'][m][curLink]['params'][param]['required'] == true)
if (curLib[lib[domain]['methods'][m][curLink]['params'][param]['name']] == undefined)
return 'Error: Missing ' + lib[domain]['methods'][m][curLink]['params'][param]['name'];
hdr['Content-Type'] = 'application/json';
curLib = JSON.stringify(curLib);
}
req({
path: curPath,
method: m,
data: curLib,
headers: hdr,
}, callback);
return true;
};
}
$.ajax({
url: core.lib.spec_url,
dataType: 'json',
timeout: 5000,
success: function(d) {
var data = d['domains'];
for (var domain in data) {
lib[domain] = {};
lib[domain].methods = [];
for (var p in data[domain]['paths']) {
for (var m in data[domain]['paths'][p]) {
if (lib[domain].methods[m] == undefined) lib[domain].methods[m] = {};
lib[domain].methods[m][p] = data[domain]['paths'][p][m];
}
}
for (var m in lib[domain]['methods']) {
lib[domain][m] = makeFunc(domain, m);
}
}
checkAuth();
},
error: function(d) {
console.log('Cannot reach initialization spec: ' + core.lib.spec_url);
console.log(d);
}
});
function checkAuth(exec_once) {
exec_once = exec_once || false;
if (get('cur_token') != null) {
lib.sessions.GET({
data: {
where: 'token==["' + get('cur_token') + '"]'
}
}, function(res) {
if (res !== undefined && res.hasOwnProperty('_items') && res['_items'].length > 0) {
core.lib.authenticated = true;
core.lib.auth_fails = 0;
} else {
core.lib.auth_allowed_fails++;
if (core.lib.auth_fails > core.lib.auth_allowed_fails)
core.lib.authenticated = false;
}
core.lib.ready = true;
// if (!exec_once)
// setTimeout(checkAuth, core.lib.auth_interval);
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});
} else {
core.lib.authenticated = false;
core.lib.ready = true;
if (!exec_once)
setTimeout(checkAuth, core.lib.auth_interval);
}
}
// Get parameter type
lib.getParamType = function(dom, param) {
var tmp = 'none';
try {
if (Array.isArray(lib[dom].methods.POST['/' + dom].params))
lib[dom].methods.POST['/' + dom].params.forEach(function(cur) {
if (cur.name == param) {
tmp = cur.type;
}
});
} catch (e) {}
return tmp;
}
// Get the etag
lib.getEtag = function(curDomain, curId, callback) {
return lib[curDomain].GET({
id: curId
}, function(res) {
callback(res['_etag']);
});
}
// Returns whether user is logged in
lib.authenticated = function() {
return core.lib.authenticated;
}
// Login function
lib.login = function(curUser, curPass, callback) {
callback = callback || dummy;
req({
path: '/sessions/',
method: 'POST',
data: JSON.stringify({
password: curPass
}),
headers: {
'Content-Type': 'application/json',
},
}, function(msg) {
var reqVar = ['token', 'user_id', 'id'];
for (var i in reqVar) {
lib['cur_' + reqVar[i]] = msg[reqVar[i]];
}
if (msg['_status'] == 'OK') {
set('cur_token_id', msg['id'], 1);
set('cur_token', msg['token'], 1);
set('cur_user_id', parseInt(msg['user_id']), 1);
callback(true);
} else {
set('cur_token_id', null);
set('cur_token', null);
set('cur_user_id', null);
callback(false);
}
});
}
// Logout
lib.logout = function() {
// Deleting token from api and unsetting the vars
lib.sessions.DELETE({
id: get('cur_token_id')
}, function(res) {
set('cur_token', null);
set('cur_token_id', null);
set('cur_user_id', null);
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});
}
// Get info about the current user
lib.user = function(attr, callback) {
callback = callback || dummy;
lib.users.GET({
id: get('cur_user_id')
}, function(res) {
if (typeof attr === 'object') {
var ret = {};
for (var key in attr)
ret[attr[key]] = res[attr[key]];
callback(ret);
} else {
callback(res[attr]);
}
});
}
// Get the necessary field for specific requests
lib.getRequiredFields = function(domain, type, wId) {
var curTree;
var resAttr = {};
if (wId)
curTree = lib[domain]['methods'][type]['/' + domain + '/{_id}']['params'];
else
curTree = lib[domain]['methods'][type]['/' + domain]['params'];
if (curTree.length == 0) return false;
else {
for (var i = 0; i < curTree.length; i++)
if (curTree[i].required == true)
resAttr[curTree[i].name] = curTree[i];
}
return resAttr;
}
//On function
lib.on = function(trigger, callback) {
if (callback) {
lib.on_mem[trigger].callback = callback;
lib.on_mem[trigger].func();
}
}
lib.on_mem = {
ready: {
func: function() {
if (core.lib.ready)
lib.on_mem.ready.callback();
else setTimeout(function() {
lib.on_mem.ready.func();
}, core.lib.on_interval);
}
},
login: {
func: function() {
if (core.lib.authenticated && !lib.on_mem.login.prev)
lib.on_mem.login.callback();
lib.on_mem.login.prev = core.lib.authenticated;
setTimeout(lib.on_mem.login.func, core.lib.on_interval);
},
prev: false,
},
logout: {
func: function() {
if (!core.lib.authenticated && lib.on_mem.logout.prev)
lib.on_mem.logout.callback();
lib.on_mem.logout.prev = core.lib.authenticated;
setTimeout(lib.on_mem.logout.func, core.lib.on_interval);
},
prev: false,
},
}
return lib;
}
if (typeof(window[lns]) === 'undefined') {
window[lns] = libgen();
} else {
console.log(lns + ' already defined, please solve conflict');
}
})(window);