Homework

01_async.js

@@ -0,0 +1,51 @@
+const request = require('request-promise');
+
+console.log('start ...');
+
+/**
+ * Get repos with their contributors 
+ * @param {string} organization 
+ * @param {int} limit 
+ */
+async function getContributors(organization, limit = 3) {
+    async function getContributorsOfReposByOwner(owner, repo) {
+        return await request({
+            "method":"GET", 
+            "uri": `https://api.github.com/repos/${owner}/${repo}/contributors`,
+            "json": true,
+            "headers": {
+                "User-Agent": "request-promise"
+            }
+        });
+    }
+
+    let contributors = {};
+    let repos = (await request({
+        "method":"GET", 
+        "uri": `https://api.github.com/orgs/${organization}/repos`,
+        "json": true,
+        "headers": {
+            "User-Agent": "request-promise"
+        }
+    })).slice(0, limit);
+
+    for(i in repos) {
+        contributors[repos[i].name] = (await getContributorsOfReposByOwner(
+            repos[i].owner.login,
+            repos[i].name
+        )).map((contributor) => contributor.login);
+    }
+
+    return contributors;
+}
+
+getContributors('nodejs')
+.then((contributors) => {
+        console.log(contributors);
+        console.log('end');
+    }
+)
+.catch(
+    err => console.log('Something wrong happened')
+);
+

02_promise.js

@@ -0,0 +1,56 @@
+const request = require('request-promise');
+
+console.log('start ...');
+
+/**
+ * Get repos with their contributors 
+ * @param {string} organization 
+ * @param {int} limit 
+ */
+function getContributors(organization, limit = 3) {
+    return new Promise(function(resolve) {
+        function getContributorsOfReposByOwner(owner, repo) {
+            return request({
+                    "method":"GET", 
+                    "uri": `https://api.github.com/repos/${owner}/${repo}/contributors`,
+                    "json": true,
+                    "headers": {
+                        "User-Agent": "request-promise"
+                    }
+                }).then((result) => [repo, result]);
+        }
+
+        let contributors = {};
+        request({
+            "method":"GET", 
+            "uri": `https://api.github.com/orgs/${organization}/repos`,
+            "json": true,
+            "headers": {
+                "User-Agent": "request-promise"
+            }
+        }).then((repos) => {
+            Promise.all(repos.slice(0, limit).map((repo) =>  {
+                return getContributorsOfReposByOwner(
+                    repo.owner.login,
+                    repo.name
+                );
+            })).then((allresult) => {
+                allresult.map(([repo, contributorsOfReposByOwner]) => {
+                    contributors[repo] = contributorsOfReposByOwner.map((data) => data.login);
+                });
+                resolve(contributors);
+            });          
+        });
+    });
+}
+
+getContributors('nodejs')
+.then((contributors) => {
+        console.log('final result');
+        console.log(contributors);
+        console.log('end');
+    }
+)
+.catch(
+    err => console.log('Something wrong happened')
+);