Merge pull request #12 from natura-cosmeticos/STEM-3000-fech-changed-…

…files

Including bitbucket fetch pull request changed files action

fastlane/Fastfile

@@ -127,4 +127,11 @@ lane :test do
     repo_slug: 'my-repo',
     basic_creds: "username:password"
   )
+
+  bitbucket_fetch_pull_request_changed_files(
+    project_key: 'my-project',
+    repo_slug: 'my-repo',
+    basic_creds: "username:password",
+    request_id: "pr-id"
+  )
 end

lib/fastlane/plugin/bitbucket/actions/bitbucket_fetch_pull_request_changed_files_action.rb

@@ -0,0 +1,87 @@
+require 'fastlane/action'
+require_relative '../helper/bitbucket_helper'
+require 'base64'
+
+
+module Fastlane
+  module Actions
+    class BitbucketFetchPullRequestChangedFilesAction < Action
+      def self.run(params)
+        auth_header = Helper::BitbucketHelper.get_auth_header(params)
+
+        if params[:base_url] then
+          base_url = params[:base_url]
+        else
+          base_url = 'https://api.bitbucket.org'
+        end
+
+        Helper::BitbucketHelper.fetch_pull_request_changed_files(auth_header, base_url, params[:project_key], params[:repo_slug], params[:request_id])
+      end
+
+      def self.description
+        "This action allows fastlane to fetch the list of modified files in a pull request"
+      end
+
+      def self.authors
+        ["Ana Ludmila, Daniel Nazareth, Igor Matos, Elize Delabrida"]
+      end
+
+      def self.return_value
+        "The return value is the listing of files changed in a pull request"
+      end
+
+      def self.available_options
+        [
+          FastlaneCore::ConfigItem.new(
+            key: :base_url,
+            env_name: "BITBUCKET_BASE_URL",
+            description: "The base URL for your BitBucket Server, including protocol",
+            optional: true,
+            type: String,
+            verify_block: proc do |value|
+              UI.user_error!("Bitbucket Server url should use https") unless !!(value.match"^https://")
+            end
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :project_key,
+            env_name: "BITBUCKET_PROJECT_KEY",
+            description: "The Project Key for your repository",
+            optional: false,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :repo_slug,
+            env_name: "BITBUCKET_REPO_SLUG",
+            description: "The repository slug for your repository",
+            optional: false,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :access_token,
+            env_name: "BITBUCKET_PERSONAL_ACCESS_TOKEN",
+            description: "A Personal Access Token from BitBucket for the account used. One of access_token or basic_creds must be specified; if both are supplied access_token is used",
+            optional: true,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :basic_creds,
+            env_name: "BITBUCKET_BASIC_AUTH_CREDENTIALS",
+            description: "To use Basic Auth for Bitbuket provide a base64 encoded version of \"<username>:<password>\". One of access_token or basic_creds must be specified; if both are supplied access_token is used",
+            optional: true,
+            type: String
+          ),
+          FastlaneCore::ConfigItem.new(
+            key: :request_id,
+            description: "The Identifier Key For Your Pull Request",
+            type: Integer,
+            optional: true
+          )
+        ]
+      end
+
+      def self.is_supported?(platform)
+        true
+      end
+    end
+  end
+end

lib/fastlane/plugin/bitbucket/helper/bitbucket_helper.rb

@@ -29,7 +29,9 @@ def self.response_handler(response)
         end
       end
 
-      def self.perform_get(uri, access_header, params)        
+      def self.perform_get(uri, access_header, params, limit = 10)     
+        raise ArgumentError, 'HTTP redirect too deep' if limit == 0
+
         uri.query = URI.encode_www_form(params)
 
         req = Net::HTTP::Get.new(uri)
@@ -40,10 +42,14 @@ def self.perform_get(uri, access_header, params)
         http.use_ssl = uri.instance_of? URI::HTTPS
         http.verify_mode = OpenSSL::SSL::VERIFY_NONE
 
-        res = http.request(req)
-        self.response_handler(res)
+        response = http.request(req)
+        self.response_handler(response)
 
-        res
+        while response.is_a?(Net::HTTPRedirection) && limit >= 0
+          response = self.perform_get(URI.parse(response['location']), access_header, params, limit -1)
+        end 
+
+        response
       end
 
       def self.perform_post(uri, access_header, params, query_params={})
@@ -124,6 +130,13 @@ def self.fetch_diffstat(access_header, baseurl, project_key, repo_slug, request_
         data
       end
 
+      def self.fetch_pull_request_changed_files(access_header, baseurl, project_key, repo_slug, request_id)
+        pruri = URI.parse("#{baseurl}/2.0/repositories/#{project_key}/#{repo_slug}/pullrequests/#{request_id}/diffstat")
+        prresp = self.perform_get(pruri, access_header, { from_pullrequest_id: request_id })
+        data = JSON.parse(prresp.body)
+        data
+      end
+
       def self.get_pull_request_version(access_header, baseurl, project_key, repo_slug, request_id)
         data = self.fetch_pull_request(access_header, baseurl, project_key, repo_slug, request_id)
         version = data["version"]