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We are now in a really good spot with billing.

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We're in a good spot with authentication and we are in a really good spot with the entire deployment

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process as well.

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So from here on out throughout the rest of the course we're really just going to be focused on building

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out some remaining features around the survey aspects of our application.

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Now I know that we've spent a lot of time in this course getting just this far but remember that all

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the functionality was put together so far has been really a pretty good amount of stuff to write up

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by hand.

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Like if you're just focused on getting the code down on the screen to also add in and say well we also

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want to walk through this stuff carefully and have in-depth detailed discussions about what's going

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on.

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Inevitably it ends up taking a lot of time.

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So I know that this is a long course but we are covering a lot of different ground.

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So in this section I want to start thinking about the next feature that we're going to be building on

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which is going to be the survey endpoint on our API.

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So in other words the ability for users to create surveys to send them out and to somehow record feedback.

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So before we dive in headfirst into start writing code it's really important that we have a very solid

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idea of exactly how these surveys are going to be working.

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So let's check out a couple of diagrams to get a much better picture of what's going on here.

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OK.

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So this is our flow of exactly what's going to happen when the user creates a survey.

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So remember the entire point of this application is we have in theory startup owners or product owners.

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They want to solicit feedback from their end users the people who are using their products and they're

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using our service to do so.

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They ought to do a survey.

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They send it out to a list of all their people and that's pretty much it.

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So let's walk through this flow.

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We start off at the top left where a user creates a survey with a simple yes or no question.

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So just to be really clear when we talked about Survey and the type of feedback that people are going

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to solicit here we are just trying to solicit yes or no responses to a very simple question.

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Now you might be thinking in your head.

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Well Stephen I want to do a fancy survey form where people can have like radio buttons and check boxes

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and all these other types of inputs that the user can enter feedback into.

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And you know that's fine.

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The application we're building can certainly be expanded to accommodate for that type of feedback.

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But what we're doing is really just focused on some of the high level get the form together send it

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out to users collect feedback via email.

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If we started to go really deep into customizing the feedback stuff well we would be talking about an

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additional like 10 hours of content just to do that stuff.

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So again it's kind of all about time here.

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All right.

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So users going to create the survey which is going to essentially ask a very simple yes or no question.

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They're then going to send that survey form or kind of the intent to create a survey and email it out

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to a list of people to our back and API are back in the API is then going to take all that information

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that should be placed into a survey.

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So this might be like the title of the survey that people just send it to.

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And the question to ask and it's going to create an e-mail template out of it.

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So that process is going to occur on our express Server Express server.

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We'll then use a third party e-mail provider to send out a big giant blast e-mail to all the people

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who are supposed to be getting this survey.

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So it might be five people it might be 10 it might be a thousand different people who are supposed to

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receive this survey.

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Once all these people these end users so to speak receive the survey inside their e-mail box they will

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then click yes or no to answer the question presented in a given survey.

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Now here's the interesting part right here and we will dive a lot into exactly why this is going to

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work the way it is.

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But it's going to first tell you exactly how it's going to work and it will come back later and talk

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a little bit about why we're taking this particular approach later on.

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So when we send out that e-mail to you all these different users the user will then click yes or no

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on the e-mail and we'll have like a little link it'll say do you enjoy your service with our company

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or whatever it might be you know click yes I enjoyed it or no I did not.

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Now when they clicked that link our e-mail provider like the third party company who is facilitating

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the e-mail process like sending out the e-mails is going to be the one who notes whether or not the

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user clicked yes or no.

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And again I'll tell you why that is later on we start to actually implement or maybe even this video

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or the next one we'll see.

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So the e-mail provider will note the users response the e-mail provider will then send a note to our

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express server saying hey someone just clicked the link and they said yes on this particular survey

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they enjoyed their experience.

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They're giving you positive feedback or whatever.

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And then our express server will be responsible for recording that little bit of feedback inside of

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our Mongo database.

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So again this is the overall flow.

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The two big things to keep in mind here are that the actual survey that is being sent out will be a

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very simple yes or no type question.

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And then the other big kind of twist here to keep in mind is that whenever a user clicks on a link like

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yes or no to respond to the survey in their e-mail they're going to be sending some type of information

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packet or they're essentially notifying our e-mail provider that they clicked yes or no.

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And then again the e-mail provider will communicate back to our express API to say hey this person just

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clicked on this link and they said yes they like it or no they don't.

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OK.

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So it this flow in mind.

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Let's take a look at what a sample e-mail might look like.

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So this is give me a sample e-mail that someone might receive in their inbox.

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So as you can see I'm saying yeah maybe we're looking at gmail here.

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So it's going to have some type of subject.

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It's going to have a from field and then the e-mail will have some text or body of the survey itself.

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And then again a very simple yes or no response.

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So again like I said before.

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Absolutely.

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This entire e-mail could be further customized if we want to.

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But in the context of course it's kind of all about time and I want to show you how to do this and kind

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of leave the process of enhancing how it behaves to you.

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Now looking at the e-mail there's some very particular things I want to point out in here.

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First off you'll notice that we are going to allow our users like our users the people creating the

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survey to customize the subject of the e-mail.

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So the email subject should be able to be customized.

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Next the From field.

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Inside that e-mail should be able to be customized as well.

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So our users should be able to say hey if anyone replies to this email make sure that the reply gets

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sent to like our customer service address as opposed to our company.

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You and me the developers of the email address of like support at email dot com.

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You and I don't want to get feedback from these users.

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You and I don't want people to hit reply and send something back to you and me.

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So we want to make sure that whoever is creating creating these surveys is the one who is receiving

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any response emails that a user might be sending back.

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Not a lot of part that can be customized will be the actual body of the email.

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So this note right here should be able to or user shipbuilder customize it to a degree to be able to

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type in a custom mode and explain what's going on here.

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As far as the actual feedback mechanism again it's a simple yes or no question.

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No further customization.

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Outside of that right now just yes you enjoyed our service or no you did not.

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And that's the sole thing that we're going to be collecting and presenting back to our users.

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OK so that's the general idea.

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It's kind of in general what we're trying to accomplish here.

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So now we've got a better sense of exactly what we're building on the survey side.

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Let's take a quick break.

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We're going to come back in the next section and talk about some considerations around building the

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actual server survey stuff on our server.

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So I'll see you in just a minute.