Files
grafana-zabbix/plugins/datasource-zabbix/queryBuilder.js
2016-01-23 20:43:51 +03:00

127 lines
3.5 KiB
JavaScript

define([
'angular',
'lodash',
'./utils'
],
function (angular, _, utils) {
'use strict';
function QueryBuilder(zabbixCacheInstance) {
this.cache = zabbixCacheInstance;
this.build = function (groupFilter, hostFilter, appFilter, itemFilter) {
// Find items by item names and perform queries
var groups = [];
var hosts = [];
var apps = [];
var items = [];
if (utils.isRegex(hostFilter)) {
// Filter groups
if (utils.isRegex(groupFilter)) {
var groupPattern = utils.buildRegex(groupFilter);
groups = _.filter(this.cache.getGroups(), function (groupObj) {
return groupPattern.test(groupObj.name);
});
} else {
var findedGroup = _.find(this.cache.getGroups(), {'name': groupFilter});
if (findedGroup) {
groups.push(findedGroup);
} else {
groups = undefined;
}
}
if (groups) {
var groupids = _.map(groups, 'groupid');
hosts = _.filter(this.cache.getHosts(), function (hostObj) {
return _.intersection(groupids, hostObj.groups).length;
});
} else {
// No groups finded
return [];
}
// Filter hosts
var hostPattern = utils.buildRegex(hostFilter);
hosts = _.filter(hosts, function (hostObj) {
return hostPattern.test(hostObj.name);
});
} else {
var findedHost = _.find(this.cache.getHosts(), {'name': hostFilter});
if (findedHost) {
hosts.push(findedHost);
} else {
// No hosts finded
return [];
}
}
// Find items belongs to selected hosts
items = _.filter(this.cache.getItems(), function (itemObj) {
return _.contains(_.map(hosts, 'hostid'), itemObj.hostid);
});
if (utils.isRegex(itemFilter)) {
// Filter applications
if (utils.isRegex(appFilter)) {
var appPattern = utils.buildRegex(appFilter);
apps = _.filter(this.cache.getApplications(), function (appObj) {
return appPattern.test(appObj.name);
});
}
// Don't use application filter if it empty
else if (appFilter === "") {
apps = undefined;
}
else {
var findedApp = _.find(this.cache.getApplications(), {'name': appFilter});
if (findedApp) {
apps.push(findedApp);
} else {
// No applications finded
return [];
}
}
// Find items belongs to selected applications
if (apps) {
var appids = _.flatten(_.map(apps, 'applicationids'));
items = _.filter(items, function (itemObj) {
return _.intersection(appids, itemObj.applications).length;
});
}
if (items) {
var itemPattern = utils.buildRegex(itemFilter);
items = _.filter(items, function (itemObj) {
return itemPattern.test(itemObj.name);
});
} else {
// No items finded
return [];
}
} else {
items = _.filter(items, {'name': hostFilter});
if (!items.length) {
// No items finded
return [];
}
}
// Set host as host name for each item
items = _.each(items, function (itemObj) {
itemObj.host = _.find(hosts, {'hostid': itemObj.hostid}).name;
});
return items;
};
}
return QueryBuilder;
});