Add moderation solution

* Add moderation solution

* Fix missing semicolon

src/App.js

@@ -5,6 +5,7 @@ let Inputs = require('./Inputs');
 let Concepts = require('./Concepts');
 let Workflow = require('./Workflow');
 let Workflows = require('./Workflows');
+let Solutions = require('./solutions/Solutions');
 let {API, ERRORS, getBasePath} = require('./constants');
 let {TOKEN_PATH} = API;
 
@@ -106,6 +107,7 @@ class App {
     this.concepts = new Concepts(this._config);
     this.workflow = new Workflow(this._config);
     this.workflows = new Workflows(this._config);
+    this.solutions = new Solutions(this._config);
   }
 
   _getToken(resolve, reject) {
@@ -136,6 +138,5 @@ class App {
     });
   }
 }
-;
 
 module.exports = App;

src/solutions/Moderation.js

@@ -0,0 +1,56 @@
+let axios = require('axios');
+let {wrapToken} = require('../utils');
+let {isSuccess, clone} = require('../helpers');
+
+let BASE_URL = 'https://api.clarifai-moderation.com';
+
+class Moderation {
+
+  constructor(_config) {
+    this._config = _config;
+
+  }
+
+  predict(modelID, imageURL) {
+    return wrapToken(this._config, (headers) => {
+      let url = `${BASE_URL}/v2/models/${modelID}/outputs`;
+      let params = {
+        inputs: [
+          {
+            data: {
+              image: {
+                url: imageURL
+              }
+            }
+          }
+        ]
+      };
+
+      return new Promise((resolve, reject) => {
+        return axios.post(url, params, {headers}).then((response) => {
+          if (isSuccess(response)) {
+            let data = clone(response.data);
+            resolve(data);
+          } else {
+            reject(response);
+          }
+        }, reject);
+      });
+    });
+  }
+
+  getModerationStatus(imageID) {
+    return wrapToken(this._config, (headers) => {
+      let url = `${BASE_URL}/v2/inputs/${imageID}/outputs`;
+      return new Promise((resolve, reject) => {
+        return axios.get(url, {headers}).then((response) => {
+          let data = clone(response.data);
+          resolve(data);
+        }, reject);
+
+      });
+    });
+  }
+}
+
+module.exports = Moderation;

src/solutions/Solutions.js

@@ -0,0 +1,10 @@
+let Moderation = require('./Moderation');
+
+class Solutions {
+
+  constructor(_config) {
+    this.moderation = new Moderation(_config);
+  }
+}
+
+module.exports = Solutions;