Working on ZabbixAPIService for general api calls.

plugins/datasource-zabbix/zabbixAPIService.js

@@ -0,0 +1,89 @@
+/**
+ * General Zabbix API methods
+ */
+
+define([
+  'angular',
+],
+function (angular) {
+  'use strict';
+
+  var module = angular.module('grafana.services');
+
+  module.service('ZabbixAPIService', function($q, backendSrv) {
+
+    /**
+     * Request data from Zabbix API
+     * @return {object}  response.result
+     */
+    this._request = function(api_url, method, params, options, auth) {
+      var requestData = {
+        jsonrpc: '2.0',
+        method: method,
+        params: params,
+        id: 1
+      };
+
+      // Set auth parameter only if it needed
+      if (auth) {
+        requestData.auth = auth;
+      }
+
+      var requestOptions = {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json'
+        },
+        url: api_url,
+        data: requestData
+      };
+
+      // Set request options for basic auth
+      if (options.basicAuth || options.withCredentials) {
+        requestOptions.withCredentials = true;
+      }
+      if (options.basicAuth) {
+        requestOptions.headers.Authorization = options.basicAuth;
+      }
+
+      return backendSrv.datasourceRequest(requestOptions).then(function (response) {
+        // General connection issues
+        if (!response.data) {
+          return [];
+        }
+
+        // Handle Zabbix API errors
+        else if (response.data.error) {
+          throw new ZabbixException(response.data.error);
+        }
+
+        return response.data.result;
+      });
+    };
+
+    /**
+     * Get authentication token.
+     * @return {string}  auth token
+     */
+    this.login = function(api_url, username, password, options) {
+      var params = {
+        user: username,
+        password: password
+      };
+      return this._request(api_url, 'user.login', params, options, null);
+    };
+
+  });
+
+  // Define zabbix API exception type
+  function ZabbixException(error) {
+    this.code = error.code;
+    this.message = error.message;
+    this.data = error.data;
+  }
+
+  ZabbixException.prototype.toString = function() {
+    return this.name + " " + this.message;
+  };
+
+});