Added enhancement Sync settings after installing the integration

index.js

@@ -14,4 +14,100 @@ module.exports = (robot, _, Settings = require('./lib/settings')) => {
       return Settings.sync(context.github, context.repo())
     }
   }
+
+  robot.on('installation_repositories.added', installSync)
+
+  async function installSync (context) {
+    const payload = context.payload
+    // getting all the repos that are adding
+    const repoAddedId = await payload.repositories_added
+    const repoAddedIds = []
+    repoAddedId.forEach(async function (value) {
+      await repoAddedIds.push(value.id)
+    })
+    repoAddedIds.forEach(async function (value) {
+      const result = await context.github.repos.getById({id: value})
+      const owner = result.data.owner.login
+      const repoName = result.data.name
+      // As context.repo() was undefined so had to convert it into object
+      const repo = {
+        owner: owner,
+        repo: repoName
+      }
+      // repo should have a .github folder
+      const path = '.github'
+      try {
+        const repoInfo = await context.github.repos.getContent({owner: owner, repo: repoName, path: path})
+
+        const FILE_NAME = repoInfo.data.find(async file => {
+          if (file.name === 'settings.yml') {
+            return file.name
+          } else {
+            try {
+              const reference = await context.github.gitdata.getReference({owner: owner, repo: repoName, ref: 'heads/master'})
+              const refData = reference.data
+              const sha = refData.object.sha
+              try {
+                const getRepo = await context.github.repos.get({owner: owner, repo: repoName})
+
+                await context.github.gitdata.createReference({owner: owner, repo: repoName, ref: 'refs/heads/probot', sha: sha})
+                // setting the template of file
+                const template = require('./template')
+                const string = template(getRepo)
+
+                const encodedString = Buffer.from(string).toString('base64')
+                // creating a file
+                await context.github.repos.createFile({owner: owner, repo: repoName, path: '.github/settings.yml', message: 'adding settings.yml file', content: encodedString, branch: 'probot'})
+                // creating pull request
+                await context.github.pullRequests.create({owner: owner, repo: repoName, head: 'probot', base: 'master', title: 'Settings Bot adding config file', body: 'Merge it to configure the bot'})
+              } catch (error) {
+                context.log(error)
+              }
+            } catch (error) {
+              context.log(error)
+            }
+          }
+        })
+        // syncying the file if present
+        if (FILE_NAME.name === 'settings.yml') {
+          return Settings.sync(context.github, repo)
+        } else {
+          context.log('file not found so creating a pull request')
+        }
+      } catch (error) {
+        try {
+          const reference = await context.github.gitdata.getReference({owner: owner, repo: repoName, ref: 'heads/master'})
+          const refData = reference.data
+          const sha = refData.object.sha
+          try {
+            const getRepo = await context.github.repos.get({owner: owner, repo: repoName})
+
+            await context.github.gitdata.createReference({owner: owner, repo: repoName, ref: 'refs/heads/probot', sha: sha})
+            // setting the template of file
+            const template = require('./template')
+            const string = template(getRepo)
+
+            const encodedString = Buffer.from(string).toString('base64')
+            // creating a file
+            await context.github.repos.createFile({owner: owner, repo: repoName, path: '.github/settings.yml', message: 'adding settings.yml file', content: encodedString, branch: 'probot'})
+            // creating pull request
+            await context.github.pullRequests.create({owner: owner, repo: repoName, head: 'probot', base: 'master', title: 'Settings Bot adding config file', body: 'Merge it to configure the bot'})
+          } catch (error) {
+            context.log(error)
+          }
+        } catch (error) {
+          context.log(error)
+        }
+      }
+    })
+  }
+
+  // deleting the reference when pull request is merged
+  robot.on('pull_request.closed', deleteRef)
+
+  async function deleteRef (context) {
+    if (context.payload.pull_request.head.ref === 'probot') {
+      await context.github.gitdata.deleteReference(context.repo({ref: 'heads/probot'}))
+    }
+  }
 }

template.js

@@ -0,0 +1,28 @@
+module.exports = getRepo => `
+  repository:
+    name: ${getRepo.data.name}
+    description: ${getRepo.data.description}
+    homepage: ${getRepo.data.homepage}
+    topics: github, probot
+    private: ${getRepo.data.private}
+    has_issues: ${getRepo.data.has_issues}
+    has_projects: ${getRepo.data.has_projects}
+    has_wiki: ${getRepo.data.has_wiki}
+    has_downloads: ${getRepo.data.has_downloads}
+    default_branch: ${getRepo.data.default_branch}
+    allow_squash_merge: ${getRepo.data.allow_squash_merge}
+    allow_merge_commit: ${getRepo.data.allow_merge_commit}
+    allow_rebase_merge: ${getRepo.data.allow_rebase_merge}
+
+  labels:
+    - name: bug
+      color: CC0000
+    - name: feature
+      color: 336699
+    - name: first-timers-only
+      oldname: bug
+
+  collaborators:
+    - username: enter any username
+      permission: push
+`