Add DocstoreManager

services/web/app/coffee/Features/Docstore/DocstoreManager.coffee

@@ -0,0 +1,16 @@
+request = require("request").defaults(jar: false)
+logger = require "logger-sharelatex"
+settings = require "settings-sharelatex"
+
+module.exports = DocstoreManager =
+	deleteDoc: (project_id, doc_id, callback = (error) ->) ->
+		logger.log project_id: project_id, "deleting doc in docstore api"
+		url = "#{settings.apis.docstore.url}/project/#{project_id}/doc/#{doc_id}"
+		request.del url, (error, res, body) ->
+			return callback(error) if error?
+			if 200 <= res.statusCode < 300
+				callback(null)
+			else
+				error = new Error("docstore api responded with non-success code: #{res.statusCode}")
+				logger.error err: error, project_id: project_id, doc_id: doc_id, "error deleting doc in docstore"
+				callback(error)

services/web/test/UnitTests/coffee/Docstore/DocstoreManagerTests.coffee

@@ -0,0 +1,54 @@
+chai = require('chai')
+chai.should()
+sinon = require("sinon")
+modulePath = "../../../../app/js/Features/Docstore/DocstoreManager"
+SandboxedModule = require('sandboxed-module')
+
+describe "DocstoreManager", ->
+	beforeEach ->
+		@requestDefaults = sinon.stub().returns(@request = sinon.stub())
+		@DocstoreManager = SandboxedModule.require modulePath, requires:
+			"request" : defaults: @requestDefaults
+			"settings-sharelatex": @settings =
+				apis:
+					docstore:
+						url: "docstore.sharelatex.com"
+			"logger-sharelatex": @logger = {log: sinon.stub(), error: sinon.stub()}
+
+		@requestDefaults.calledWith(jar: false).should.equal true
+
+		@project_id = "project-id-123"
+		@doc_id = "doc-id-123"
+		@callback = sinon.stub()
+
+	describe "deleteDoc", ->
+		describe "with a successful response code", ->
+			beforeEach ->
+				@request.del = sinon.stub().callsArgWith(1, null, statusCode: 204, "")
+				@DocstoreManager.deleteDoc @project_id, @doc_id, @callback
+
+			it "should delete the doc in the docstore api", ->
+				@request.del
+					.calledWith("#{@settings.apis.docstore.url}/project/#{@project_id}/doc/#{@doc_id}")
+					.should.equal true
+
+			it "should call the callback without an error", ->
+				@callback.calledWith(null).should.equal true
+
+		describe "with a failed response code", ->
+			beforeEach ->
+				@request.del = sinon.stub().callsArgWith(1, null, statusCode: 500, "")
+				@DocstoreManager.deleteDoc @project_id, @doc_id, @callback
+
+			it "should call the callback with an error", ->
+				@callback.calledWith(new Error("docstore api responded with non-success code: 500")).should.equal true
+
+			it "should log the error", ->
+				@logger.error
+					.calledWith({
+						err: new Error("docstore api responded with a non-success code: 500")
+						project_id: @project_id
+						doc_id: @doc_id
+					}, "error deleting doc in docstore")
+					.should.equal true
+