feat(generators index.js): Add random generator to the api

Add random generator endpoint call to the api wrapper

.travis.yml

@@ -5,10 +5,7 @@ cache:
 notifications:
   email: false
 node_js:
-  - '9'
   - '8'
-  - '6'
-  - '4'
 script: 
  - npm run test
 after_success:

package.json

@@ -36,6 +36,6 @@
     "travis-deploy-once": "^4.3.2"
   },
   "czConfig": {
-    "path": "node_module/cz-conventional-changelog"
+    "path": "node_modules/cz-conventional-changelog"
   }
 }

src/generators/index.js

@@ -0,0 +1,41 @@
+const {
+    queryApi
+} = require('../utils/urlUtils')
+
+const DEFAULT_PARAMS = {
+    prop: 'info',
+    inprop: 'url',
+    format: 'json',
+    action: 'query'
+}
+
+function doSearch(searchTerm, lang = "en", options = {}) {
+    const params = _getParams(options, {
+        gsrsearch: searchTerm,
+        generator: 'search'
+    })
+
+    return queryApi(lang, params).then((response) => {
+        return response
+    })
+}
+
+function doRandom(lang = "en", options = {}) {
+    const params = _getParams(options, {
+        generator: 'random'
+    })
+
+    return queryApi(lang, params).then((response) => {
+        return response
+    })
+}
+
+function _getParams(queryOptions = {}, generatorOptions = {}) {
+    return Object.assign({}, DEFAULT_PARAMS, queryOptions, generatorOptions)
+}
+
+
+module.exports = {
+    doSearch,
+    doRandom
+}

src/utils/urlUtils.js

@@ -1,6 +1,11 @@
 const axios = require('axios')
 
-const queryApi = (url, params) => {
+const API_BASE =
+  ".wikipedia.org/w/api.php?";
+
+
+const queryApi = (lang = "en", params) => {
+  const url = `https://${lang}${API_BASE}`
   return axios.get(url, {
       params: {
         ...params
@@ -15,5 +20,6 @@ const queryApi = (url, params) => {
 };
 
 module.exports = {
-  queryApi
+  queryApi,
+  API_BASE
 };

src/wiki.js

@@ -1,11 +1,17 @@
 const {
-  doSearch
-} = require('./generators/search')
+  doSearch,
+  doRandom
+} = require('./generators/index')
 
 function search(searchTerm, lang = "en", options) {
   return doSearch(searchTerm, lang, options)
 }
 
+function random(lang = "en", options) {
+  return doRandom(lang, options)
+}
+
 module.exports = {
-  search
+  search,
+  random
 };