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Nadeesha Meththananda

2007-Nov-15 11:25 UTC

calling to a specfic controler

hi


i have created a rhtml file name as new.rhtml and in thir i have created
the form as follows

<% form_for :form_file, :url => { :action => "create" },
:html => {
:multipart => true } do |g| %>
  <p><%= g.file_field :upload_file %>
  <p><%= submit_tag :Up_load_now %></p>
  <%= g.hidden_field :condition_file_type, :value => "IMAGE"
-%>
<% end %>


when the cubmit button is clicked it should go the a new controller
called fileuploader which has method name "create"

i do not know how to achieve this task..
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Frederick Cheung

2007-Nov-15 11:44 UTC

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Re: calling to a specfic controler

On 15 Nov 2007, at 11:25, Nadeesha Meththananda wrote:>
> i have created a rhtml file name as new.rhtml and in thir i have  
> created
> the form as follows
>
> <% form_for :form_file, :url => { :action => "create" },
:html => {
> :multipart => true } do |g| %>
>  <p><%= g.file_field :upload_file %>
>  <p><%= submit_tag :Up_load_now %></p>
>  <%= g.hidden_field :condition_file_type, :value => "IMAGE"
-%>
> <% end %>
>
>
> when the cubmit button is clicked it should go the a new controller
> called fileuploader which has method name "create"
if the create action isn''t on the same controller as the create  
action, you need to specify it, ie
  :url => { :action => "create", :controller =>  
''some_other_controller'' }

Fred

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Nadeesha Meththananda

2007-Nov-15 12:01 UTC

head link

rederection to a differnt page in different folder

Frederick Cheung wrote:> On 15 Nov 2007, at 11:25, Nadeesha Meththananda wrote:
>> <% end %>
>>
>>
>> when the cubmit button is clicked it should go the a new controller
>> called fileuploader which has method name "create"
> 
> if the create action isn''t on the same controller as the create
> action, you need to specify it, ie
>   :url => { :action => "create", :controller =>
> ''some_other_controller'' }
> 
> Fred
thanks a lot for it pal it works.

now another prob PAL,

in my create method their is a condition to forward to two different 
pages according to the condition value.

if  ( condition )

render_action ''success''
#file is in the given format

else

render_action ''new''
#file is not in the given format

end




when i use this it give a error as
Template is missing

Missing template 
/home/neranjan/Desktop/codes/RubyOnRails/codes/app/views/file_uploding/new.rhtml


my success.rhtml and new.rhtml pages are in a different folder called 
"test"(that one is in the app folder) so how to over come this
problem..
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Frederick Cheung

2007-Nov-15 12:26 UTC

head link

Re: rederection to a differnt page in different folder

On 15 Nov 2007, at 12:01, Nadeesha Meththananda wrote:>
>
> when i use this it give a error as
> Template is missing
>
> Missing template
> /home/neranjan/Desktop/codes/RubyOnRails/codes/app/views/ 
> file_uploding/new.rhtml
>
>
> my success.rhtml and new.rhtml pages are in a different folder called
> "test"(that one is in the app folder) so how to over come this  
> problem..
To be quite honest, I''m not sure why you''ve put these in
different
controllers. That said you can do stuff like render :template =>  
''some_controller/some_action''

Fred

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Nadeesha Meththananda

2007-Nov-15 13:01 UTC

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Re: rederection to a differnt page in different folder

Frederick Cheung wrote:> On 15 Nov 2007, at 12:01, Nadeesha Meththananda wrote:
>> my success.rhtml and new.rhtml pages are in a different folder called
>> "test"(that one is in the app folder) so how to over come
this
>> problem..
> 
> To be quite honest, I''m not sure why you''ve put these in
different
> controllers. That said you can do stuff like render :template =>
> ''some_controller/some_action''
> 
> Fred

ok pal thanks a lot for the advice.

i wrote in a different controls so the function i wrote can be used by 
many places with out repeating the same code again and again in 
different controls.

so here the problem i am facing now is, according to the given condition 
i have to send the error messages to back to the calling page. so do do 
such a thing i could not found a working redirection  method.

found some sample coding that would satisfied my need in the following 
url
http://snippets.dzone.com/posts/show/1052

those codes work properly.

but at thir i had to hard codes the going back codes. like
 redirect_back_or_default :controller => "myfuel", :action =>
"index"

so when some one used my above controle code they will face problem like 
finding a given path.

so want  i want to do is when some one use my controller and do the 
validation it should be able to send the feed back to calling page with 
out we have to specifically saying to it.
eg

 redirect_back_or_default :controller => ".....", :action =>
"......"
the controller and the action will be able to get from the data that 
comes when it calling my controller

so hope u guys got the point what i am going to say and hope i may get a 
good reply....

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Thorsten Muller

2007-Nov-15 13:33 UTC

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Re: rederection to a differnt page in different folder

if i got it right you may use something like that:

<%= link_to "text", mycontroller_path(:request_uri => 
request.request_uri) %>

this will hand over the uri of the actual site to your controller
which in turn can then redirect to calling page:

redirect_to params[:request_uri]


another very simple approach is just
redirect :back

but this only works, if the user hasn''t disabled referrers
(that''s not very often, but some ppl do)
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Nadeesha Meththananda

2007-Nov-15 13:52 UTC

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Re: rederection to a differnt page in different folder

Thorsten Muller wrote:> if i got it right you may use something like that:
> 
> <%= link_to "text", mycontroller_path(:request_uri => 
> request.request_uri) %>
> 
> this will hand over the uri of the actual site to your controller
> which in turn can then redirect to calling page:
> 
> redirect_to params[:request_uri]
> 
> 
> another very simple approach is just
> redirect :back
> 
> but this only works, if the user hasn''t disabled referrers
> (that''s not very often, but some ppl do)


when i used the command in side the form tag
> <%= link_to "text", mycontroller_path(:request_uri =>
request.request_uri) %>
it gives a error as

undefined method `mycontroller_path'' for 
#<#<Class:0xb758e3c0>:0xb758e398>

does any one know why is that
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Thorsten Muller

2007-Nov-15 14:07 UTC

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Re: rederection to a differnt page in different folder

because mycontroller should be the name of your controller, i used it 
only as example (we use path generator functions of the edge version, 
since they''re more convenient than this :url => {...} stuff

plus we use RESTful routing

so the details, how to call your controller and hand over attributes may 
be different.
the trick without that is to hand over request.request_uri as an 
attribute in your link. however you decide to manage that :)
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Nadeesha Meththananda

2007-Nov-15 14:26 UTC

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Re: rederection to a differnt page in different folder

Thorsten Muller wrote:> because mycontroller should be the name of your controller, i used it 
> only as example (we use path generator functions of the edge version, 
> since they''re more convenient than this :url => {...} stuff
> 
> plus we use RESTful routing
> 
> so the details, how to call your controller and hand over attributes may 
> be different.
> the trick without that is to hand over request.request_uri as an 
> attribute in your link. however you decide to manage that :)

<% form_for :form_file, :url => { :action => "create",
:controller
=>"file_uploding" }, :html => { :multipart => true }   do |g|
%>
  <p><%= g.file_field :upload_file %>
  <p><%= submit_tag :Up_load_now %></p>
  <%= g.hidden_field :condition_file_type, :value =>
"APPLICATION" -%>
<% end %>

my form code is like this but i tried to add ur code but could not find 
a way to do it... if can pls help
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Nadeesha Meththananda

2007-Nov-15 14:30 UTC

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Re: rederection to a differnt page in different folder

Nadeesha Meththananda wrote:> Thorsten Muller wrote:
>> because mycontroller should be the name of your controller, i used it 
>> only as example (we use path generator functions of the edge version, 
>> since they''re more convenient than this :url => {...} stuff
>> 
>> plus we use RESTful routing
>> 
>> so the details, how to call your controller and hand over attributes
may
>> be different.
>> the trick without that is to hand over request.request_uri as an  >> attribute in your link. however you decide to manage that
:)> 
>  <% form_for :form_file, :url => { :action => "create",
:controller
=>"file_uploding" }, :html => { :multipart => true }   do |g|
%>
   <p><%= g.file_field :upload_file %>
  <p><%= submit_tag :Up_load_now %></p>
   <%= g.hidden_field :condition_file_type, :value =>
"APPLICATION" -%>
 <% end %>



my controller is like this


    def create

      @temp_file = @params["form_file"]["upload_file"]
      @file_name  = @temp_file.original_filename
      upload_file_type  = @temp_file.content_type
      condition_file_type =
@params["form_file"]["condition_file_type"]
      upload_file_type = upload_file_type.chop.upcase


    if (@temp_file !="")
       if  ( ckeck_file(upload_file_type, condition_file_type) )
       f = File.new("./uploads/nad/#{@file_name}", "wb");
       f.write (@temp_file.read);
       f.close;


      # what i want here is from here send success msg to calling form

       else

         #file is not in the given format
         # what i want here is from here send error msg to calling form

       end

    else

           #their is no file to be upload
           # what i want here is from here send error msg to calling 
form

     end




  def ckeck_file(upload_file_type , condition_file_type )

          file_types =
["JPG","JPEG","GIF","PNG","MSWORD","PDF"]

          file_types.each do |check|
              check_string=condition_file_type+"/"+check
               puts check_string
              if (upload_file_type.eql?(check_string))
                puts check_string
                return true;
              end
          end
           return false;
       end





 my form code is like this but i tried to add ur code but could not find
 a way to do it... if can pls help

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Thorsten Muller

2007-Nov-15 14:38 UTC

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Re: rederection to a differnt page in different folder

in a form you could use a hidden field to hand over this param

<%= hidden_field_tag :request_uri, request.request_uri %>
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Nadeesha Meththananda

2007-Nov-15 14:48 UTC

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Re: rederection to a differnt page in different folder

Thorsten Muller wrote:> in a form you could use a hidden field to hand over this param
> 
> <%= hidden_field_tag :request_uri, request.request_uri %>

THANKS A LOT PAL IT WORKS


hey but again a little prob.....

in those conditions i want to i want to send the error or success to the 
back to the page it calls i tried some coding bt i wont display the msg 
send by the control.

does not know if my way is correct
and idea how can i over come that problem
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Thorsten Muller

2007-Nov-15 17:10 UTC

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Re: rederection to a differnt page in different folder

it''s most likely the flash object you wanna use there

in the controller:

flash[:return_msg] = "my message"

in the view:

<%= flash[:return_msg] if flash[:return_msg] %>
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Nadeesha Meththananda

2007-Nov-16 03:18 UTC

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Re: rederection to a differnt page in different folder

Thorsten Muller wrote:> it''s most likely the flash object you wanna use there
> 
> in the controller:
> 
> flash[:return_msg] = "my message"
> 
> in the view:
> 
> <%= flash[:return_msg] if flash[:return_msg] %>


Thanks a it PAL it works.

bythe way to send a error msg to the other page the use of flash object 
is a correct way or not. bz i am new to the RUBY i do not know weather i 
use a correct concept or not. is their a define way to send error msg in 
RUBY.??

:) :) :) :) :) :)

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Thorsten Muller

2007-Nov-16 09:43 UTC

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Re: rederection to a differnt page in different folder

> bythe way to send a error msg to the other page the use of flash object 
> is a correct way or not. bz i am new to the RUBY i do not know weather i 
> use a correct concept or not. is their a define way to send error msg in 
> RUBY.??
> 
Flash is an internal storage container (actually a kind of hash) that 
Rails uses for temporary data between actions. Items stored in the flash 
exist for the duration of exactly one action, and then theyre gone.

i used it in this case, because you wanted to send a message if error or 
not

normally you would add errors to your ActiveRecord object
if your model is named User (and an instance @user) , then you can do 
things like this:

add an error to an attribute:
@user.errors.add(:name, "name can''t be blank")

add an error to the ''whole'' record:
@user.errors.add_to_base("another error")

there are ActionView::Helpers::ActiveRecordHelper to show errors in the 
view:
error_message_on @user, :name
and:
error_messages_for @user


you may find this helpful:

http://www.sitepoint.com/books/rails1/freebook.php
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Rails - Nov 2007 - calling to a specfic controler

calling to a specfic controler

Re: calling to a specfic controler

rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder

Re: rederection to a differnt page in different folder