Using Form to Insert data into Table -- please help

#1
[eluser]JPrieto[/eluser]
I really want to use the MVC programing struction of CI

I learn best by example
thats how I learn the pagination feature
someone here was kind enough to provide code

Now ...

I would like to know if someone can provide me the code
for a very simple form to insert data into a table
which only has 3 fields

please

the idea is to use a form (using CI from validations, and strct CI form tags)
to insert data into my database table

NOTE:
each entry must be check to make sure each username field value is unique
the same for phone field -- both must be unique.


I really want to use a model to insert data into the table

here are the facts

=================================
Database = friendsdb
table name = "friends"
table fields are:
id - enumrates
username - must be unique
phone - also must be unique
notes - text

==================================

So.. if someone can provide the .....

#1
CODE FOR THE CONTROLLER (which we can call "Buddies")

#2
CODE FOR THE FORM ENTRY

#3
CODE FOR THE FORM SUCCESS PAGE

#4
CODE FOR THE MODEL


Please -- I really would be grateful

Thanks
ps: please test your code before submitting, as I will use to learn, and if there is any bug it will confuse me.

#2
[eluser]depthcharge[/eluser]
Hi Jpriesto,

You really can find great examples of all these solutions if you search the forums.

I agree on learning by example, and the current offerings of code in the ignited code area, and wiki are great resources to learn by example.

#3
[eluser]JPrieto[/eluser]
hi

i cant find -- anywhere -- of any ci tags that checks and prevent double entries

for example, how do you prevent a user_name from being entered twice

i can code it in regular php

but how can ci make it easier?

#4
[eluser]depthcharge[/eluser]
You will not find a double_entry check routine built into codeigniter, that's functionality that we ourselves have to develop/extend.

However it's very probable that 1 of the existing auth libraries has this built in.

Quote:i can code it in regular php

The only difference to regular php is that you will be using codeigniter's database functionality and organising your code into mvc. Perhaps using a form validation callback to check database for current username.

Quote:but how can ci make it easier?

App layout / organisation / less code due to use of existing base libraries etc.

#5
[eluser]freshface[/eluser]
See the documentation, everything you ask is explained in it + examples.

#6
[eluser]n0xie[/eluser]
If you follow the example in the usererguide you should be on your way. To check if an username already exists you could write a callback. The callback could pass the username to a model, which checks if the username is already present in the database.

This way if you ever needed this function again, you already have the code ready for reuse.


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