Building a REST API - REST Dataware
lazarus / 38-Networking and Web Programming

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Donoss · 2020-06-15 19:08

Hi,

I'm trying to find the best tools to build a simple REST API using
JSON and persisting it to a database.  I've looked all over but as a
newbie I'm struggling to get started.  I've looked at REST Dataware
but when I try to build a simple module I get an issue 'Can't find
unit udmservice'.

I wanted to look at SQLDBRESTBridge but can't find the package to get
it loaded, so any pointers will be really appreciated.

I also looked at Brook, lots of documentation but I'm new to this so
got lost easily.

I also tried Mormot but can't get the packages loaded either direct or
using the online package manager.

Any pointer to an easy example or component set for a very simple REST
API will be much appreciated.

Many thanks

Andy

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simone · 2020-06-15 19:31

Here you can find two very introductory examples:

http://lazplanet.blogspot.com/2019/03/basic-rest-api-
implementation.html

https://medium.com/@marcusfernstrm/create-rest-apis-with-
freepascal-441e4aa447b7

I hope they can be useful to you.

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PascalDragon · 2020-06-16 08:18

Quote from: Donoss on June 15, 2020, 09:08:06 pmI wanted to look at
SQLDBRESTBridge but can't find the package to get it loaded, so any
pointers will be really appreciated.
You need FPC 3.2.0 or newer for that. You can use the RC1 for this.

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Donoss · 2020-06-16 12:51

Hi everyone thanks for the info.

PascalDragon I assume you mean't 3.0.2 above for FPC?   Also the link
doesn't appear to work, does it take you to the FPC download page?

Thanks

Andy

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PascalDragon · 2020-06-16 13:29

Quote from: Donoss on June 16, 2020, 02:51:00 pmPascalDragon I assume
you mean't 3.0.2 above for FPC?   Also the link doesn't appear to
work, does it take you to the FPC download page?

No, I meant 3.2.0, the upcoming release which is currently being
finished and for which a release candidate is provided on the linked
page (and the link works for me, but just in case: you need to go to
the "Announcements -> Free Pascal" subforum at the top of the forum
lists and then there is the thread "FPC 3.2.0rc1 released!"; the first
post contains links to the downloads).

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Donoss · 2020-06-21 09:35

Thanks @PascalDragon got it ....

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PascalDragon · 2020-06-21 12:36

And by now the final release is available as well.

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wisheskernel · 2020-09-22 10:14

My environment: Windows7 64bit, FPC 3.0.4, Lazarus 2.0.0  x86_64 and
I got the Compile error : Can't determine which overloaded function to
call , at

Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i
DWClientREST1.Get;  //DWClientREST1: TDWClientREST;
Any help is going to be appreciated.

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nummer8 · 2020-09-22 11:00

Marcus Fernstrom posted two example video's on youtube

Create REST APIs in FreePascal & Lazarus
https://www.youtube.com/watch?v=9N0cxI1Hp0U

Create REST APIs in FreePascal & Lazarus (with zoom)
https://www.youtube.com/watch?v=rEqVnwE8_Us