topic Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2) in Application Development and Automation Discussions

SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

nicoschoenteich — Wed, 02 Aug 2023 13:14:54 GMT

Please note that this challenge is closed. The deadline for receiving a badge upon successful completion has passed. Check out this new challenge for the month of August.

Welcome to the second week of this month's SAP Developer Challenge. This week we are going change development environments and move to the SAP Business Application Studio. Additionally, we will add some sample data to our project using the @sap/cds-dk (command line client and development toolkit).

If you haven't read the announcement blog post for this challenge, please head over and do so. This week's challenge builds on top of last week's challenge, which you should have completed before starting with this one.

The Challenge

After getting started with the SAP Cloud Application Programming Model in a CodeSandbox last week, we now want to move to a new development environment, that is dedicated to development on the SAP Business Technology Platform and is a better fit for purpose - the SAP Business Application Studio. You might have noticed that the CodeSandbox didn't provide syntax highlighting or code completion for CDS, which is one of many benefits of moving to the SAP Business Application Studio.

This is what you have to do to successfully complete this week's challenge:

1. You need access to an account on SAP Business Technology Platform. If you don't have one yet, check out these tutorials on how to get an account on SAP BTP to try out Free Tier service plans or how to get a free account on SAP BTP Trial.

2. If you don't already have access to the SAP Business Application Studio, check out this tutorial on how to set up SAP Business Application Studio for development.

3. Once you have access, create a new dev space of type "Full Stack Cloud Application". This dev space will have all necessary tooling preinstalled.

You can alternatively also complete this week's challenge in any other development environment, for example VS Code or a terminal (any (n)vim users? 😁), although we highly recommend to try out the SAP Business Application Studio. Using the SAP Business Application Studio (or VS Code) allows you to use the SAP CDS Language Support extension. Additionally, any other dev environment than the SAP Business Application Studio would require to install Node.js and the @sap/cds-dk (command line client and development toolkit) manually.

4. Open a new terminal (Menu > Terminal > New Terminal).

5. Create a new directory for your CAP application inside the projects/ directory using the command mkdir projects/cap-developer-challenge (basix UNIX commands).

6. Open the newly created directory (Menu > File > Open Folder ... > /home/user/projects/cap-developer-challenge/).

7. Open a new terminal session (Menu > Terminal > New Terminal).

8. You can now make use of the CDS project generator by running the command cds init (documentation). You will see how this creates a sample application. Now is also a good time to run cds help and explore the capabilities of the CDS cli.

9. You can now manually copy over the db/schema.cds and srv/cat-service.cds files from last week's CodeSandbox.

At this point you can of course also use a source code control system like GitHub to share the project between to environments. We will skip this step here for brevity. Please let us know in the comments, if you are interested in a "Getting started with Git" tutorial. Always use a source code control system when working on productive projects.

10. You can now start the dev server using the command cds watch in the terminal.

11. Add some initial data to your application (hint: providing initial data).

12. Take a screenshot of your development environment. Make sure it shows the db/data/ directory with its content and at least one open CSV file. It should look something like this:

Resources

We have gathered a few helpful resources for this week's challenge. Feel free to use the comments sections if you have question or need help.

The CDS command line interface and toolkit (installed with @sap/cds-dk)
The SAP CDS Language Support extension
Providing inital data
Basic Unix commands

Good luck and happy learning!

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

vmecko — Wed, 12 Jul 2023 10:14:52 GMT

Submitting this week's part of challenge. Please review if it's okay.

Must admit that auto init setup of data files is a nice feature that I didn't know about.

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

stickman_0x00 — Wed, 12 Jul 2023 10:54:32 GMT

Hope my fields are not a problem later on, I am seeing I don't have the exact structure

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

thomas_jung — Wed, 12 Jul 2023 13:28:51 GMT

I opted to put my testing CSV files into the test\data folder. That way CAP only tries to load them when local testing and not when deploying for real in production.

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

dpk_bhat76 — Wed, 12 Jul 2023 13:53:42 GMT

Nice work team!
Attaching the screenshots for Week 2 for the CSVs:

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

nicoschoenteich — Wed, 12 Jul 2023 14:34:37 GMT

Nice, I'm glad you learned something new!

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

nicoschoenteich — Wed, 12 Jul 2023 14:35:53 GMT

Add the "par: Integer;" as a property to the Holes entity and you are good 😉

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

nicoschoenteich — Wed, 12 Jul 2023 14:37:13 GMT

Yep, that test folder comes in handy if you don't want to overwrite a production database 😁

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

nicoschoenteich — Wed, 12 Jul 2023 14:37:27 GMT

Well done ✅

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

ZhongpinWang — Wed, 12 Jul 2023 15:35:14 GMT

My submission for the second week. Thanks for offering this challenge!

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

nicoschoenteich — Wed, 12 Jul 2023 16:48:35 GMT

Very well done ✅

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

former_member122296 — Wed, 12 Jul 2023 17:54:28 GMT

My submission 2nd week:

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

D_Pietroniro — Wed, 12 Jul 2023 19:08:24 GMT

My submission for week 2. Thanks for this challenge!

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

nicoschoenteich — Wed, 12 Jul 2023 19:12:20 GMT

Well done ✅

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

nicoschoenteich — Wed, 12 Jul 2023 19:12:30 GMT

Well done ✅

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

MeriemSouissi — Wed, 12 Jul 2023 19:43:26 GMT

My submission for week 2 ! enjoying the opportunity to learn CAP! thanks @nicoschoenteich

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

choujiacheng — Thu, 13 Jul 2023 01:25:44 GMT

Hello, attached is the end result. I have added some additional elements from last week's exercise to fit in better to your expectations? Would this be alright?

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

cd_winc — Thu, 13 Jul 2023 04:41:50 GMT

Hi,

Thanks for the challenge!

My Week2 submission:

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

PunithKumar — Thu, 13 Jul 2023 07:38:01 GMT

Hello
My week 2 submission

Re: SAP Developer Challenge - SAP Cloud Application Programming Model (Week 2)

narendran_nv — Thu, 13 Jul 2023 08:34:23 GMT

Here's my week-2 submission 😀