I�m trying to set up 4 Webpages.
fruit.html meat.html perishable_food.html vegetables.html
Each Html file has a set of forms. A desrciption of an item, a field to type
a numerical value in. The CGI should be able to add the values submitted by
the user as long as his session takes and allow to add other items. If the
user hits a "Now what�s for dinner" button the CGI should return something
like this:
You got 3 bananas, 1 peach, 1 broccoli, 5 potatoes, 1 egg, 1 cup of cream
and a steak. You can do a steak with broccoli and au gratin potatoes. You
can also have a fruit salad for dessert if you are willing to spend about
1.5 hours in the kitchen.
or if there is no food:
You got no food at all. Go shopping you lazy bag.
[...]
So I would need to post the whole data I need on all 4 Webpages in hidden
Tags? Would I need to call 2 CGIs to avoid refresh errors? The first to set
all values to zero and the second to add values from there? All HTML is
returned by the CGI created on the fly, no static HTML files? Please excuse
my dumb questions. I guess I�m thinking too static (webpages are build in a
texteditor...) here.
I don't quite understand what your objective is. A virtual grocery store? Or a recipe suggestion utility?
Of course you could let the CGI generate only the resulting page, but also the form itself. If the collection of ingredients varies, than you could make a stack in which each card contains a type of food. It can have several fields among which are the name and the category of the ingredient. Then you can let a script simply see which cards have the 'fruit' category and you'll let the script use the field data on these cards in a table.
Modifying the stack can be done with a download-edit-upload cycle or you can make a content management system; ie modifying the stack online using a form.
The users can form a separate stack in which you could put data like username, password, permission to modify the stack or not, basket / fridge content, etc.
Also, it might be more efficient to use a single form instead of multiple.
I'll show you how:
<FORM method="post" action="http://www.bananas.com/cgi-bin/add.cgi";>
<INPUT type="hidden" name="username" value="Terry Vogelaar">
< INPUT type="hidden" name="Password" value="best customer">
< INPUT type="text" name="quantity" value="1">
<INPUT type="submit" name="adding" value="Apple">
<INPUT type="submit" name="adding" value="Mango">
<INPUT type="submit" name="adding" value="Peach">
</FORM>
This way, the submit button has a name and a value which you can evaluate by a CGI script. That way, you can see if the user wants to add a (number of) apples, mangos or peaches.
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