Form Data Validation
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Aurlus Ismael
Feb 16, 2018, 2:08:31 AM2/16/18
to ChicagoBoss
Hi all,
I'm new to Erlang and ChicagoBoss. I've been looking around to see if there's a way to do form validation e.g test if a particular field is empty, and return the form
with the relevant errors. Is there a way to do this?
Kai Janson
Feb 16, 2018, 2:10:19 AM2/16/18
to chica...@googlegroups.com
Yes, there is. I’ll have to go through my sources tomorrow but I’ve done it before.
I think it was a combination of controller code and JavaScript.
I think it was a combination of controller code and JavaScript.
Thank you.
Kai Janson
Relator • Ideation • Learner • Individualization • Strategic
Achiever • Futuristic • Belief • Restorative • Developer
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Aurlus Ismael
Feb 16, 2018, 2:11:48 AM2/16/18
to ChicagoBoss
Thanks for the prompt response. I'll be waiting for your response.
Nick Garanko
Feb 16, 2018, 8:48:51 AM2/16/18
to ChicagoBoss
Heya Aurlus,
Op vrijdag 16 februari 2018 08:11:48 UTC+1 schreef Aurlus Ismael:
Long ago I build basic implementation of Django-alike form validation: https://github.com/ngaranko/boss_form
Example:
- Controller: https://github.com/ngaranko/r2d2/blob/master/src/controller/r2d2_public_controller.erl
Unfortunately long since had no time/will to contribute in there, maybe it's good time now to return to it. Thus: will be happy to assist extending it.
-Nick
Op vrijdag 16 februari 2018 08:11:48 UTC+1 schreef Aurlus Ismael:
Aurlus Ismael
Feb 17, 2018, 2:41:35 PM2/17/18
to ChicagoBoss
Hi Nick,
Thanks for your library and the examples. However, I'm having an undefined stacktrace when I try initiating the form.
Error in controller error:undef Stacktrace: [{boss_form,new,[login_form,[]],[]}...]
Any suggestions to get past this?
Nick Garanko
Feb 18, 2018, 4:33:13 AM2/18/18
to Aurlus Ismael, chica...@googlegroups.com
Ouch, forgot to mention:
You have to add following into deps section of rebar.config
```
{boss_form, ".*", {git, “https://github.com/ngaranko/boss_form.git", "HEAD”}}
```
https://github.com/ngaranko/r2d2/blob/master/rebar.config#L3 (here using git url for dev reasons)
And then run: ./rebar get-deps compile
I’ve just pushed an update to controller code in r2d2 repo that fixes a bug in form processing, FYI.
-Nick
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Aurlus Ismael
Feb 19, 2018, 1:49:46 AM2/19/18
to ChicagoBoss
Thanks for that Nick. I already had that as I was getting the error. I changes the position of boss_form in rebar.config and now I have a different issue:
09:44:49.807 [error] Unhandled Error: error:function_clause Stacktrace: [{boss_web_controller_handle_request,process_result,[{boss_app_info,
asm_dashboard,[],
"/static","/doc",all,
[{asm_dashboard_01_news,
[0]}],
<0.295.0>,<0.296.0>,
<0.298.0>,<0.299.0>,
["asm","greeting"],
[],
["asm_dashboard_asm_controller",
"asm_dashboard_dispatch_controller",
"asm_dashboard_greeting_controller"]},
{sbw,cowboy_simple_bridge,
{cowboy_bridge,
#Ref<0.3139497015.3672375297.49461>},
false,[],[],[],none,
[{<<"host">>,
<<"127.0.0.1:8001">>},
{<<"connection">>,
<<"keep-alive">>},
{<<"cache-control">>,
<<"max-age=0">>},
{<<"user-agent">>,
<<"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36">>},
{<<"upgrade-insecure-requests">>,
<<"1">>},
{<<"accept">>,
<<"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8">>},
{<<"accept-encoding">>,
<<"gzip, deflate, br">>},
{<<"accept-language">>,
<<"en-US,en;q=0.9">>},
{<<"cookie">>,
<<"_ga=GA1.1.954076321.1512824233; __zlcmid=jtgxPXLkmmbTy0; csrftoken=QcRQOtrXSldsDpCURTVHygYbLhItucLn; sessionid=rpwb5m5j7dlttzrjosx8t3jimmv3qoy6; _boss_session=d1718a457590314fc6bd530c6cdeb9fd62d784c5">>}],
[{<<"_ga">>,
<<"GA1.1.954076321.1512824233">>},
{<<"__zlcmid">>,
<<"jtgxPXLkmmbTy0">>},
{<<"csrftoken">>,
<<"QcRQOtrXSldsDpCURTVHygYbLhItucLn">>},
{<<"sessionid">>,
<<"rpwb5m5j7dlttzrjosx8t3jimmv3qoy6">>},
{<<"_boss_session">>,
<<"d1718a457590314fc6bd530c6cdeb9fd62d784c5">>}],
{response,200,[],[],[]}},
{{ok,
[{a,b},
{form,
{login_form,[],[...
Nick Garanko
Feb 19, 2018, 4:27:28 AM2/19/18
to Aurlus Ismael, chica...@googlegroups.com
Could you share some code, please?
-Nick
To view this discussion on the web visit https://groups.google.com/d/msgid/chicagoboss/329f6220-ada2-4736-bfdf-5631f78a9fa9%40googlegroups.com.
Aurlus Ismael
Feb 19, 2018, 4:39:27 AM2/19/18
to ChicagoBoss
login('GET', [], Context) ->
case proplists:get_value(user_no, boss_session:get_session_data(SessionID)) of
undefined ->
Form = boss_form:new(login_form, []),
io:format("FORM: ~p~n~n", [Form:fields()]),
{{ok, [{a, 'b'}, {form, Form}]}, Context};
_ ->
{{redirect, "/team_performance"}, Context}
end;
medical.o...@gmail.com
Feb 25, 2018, 1:58:21 AM2/25/18
to ChicagoBoss
You mean like the way the ChicagoBoss tutorial.pdf does the exact thing you describe?
Aurlus Ismael
Feb 26, 2018, 1:25:41 AM2/26/18
to chica...@googlegroups.com
Chicago boss tutorial does it on model level. I was attempting to do it just on form level.
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