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Curso da RbTech de CodeIgniter

http://dev.rbtech.info/codeigniter-essencial-introducao-instalacao

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CodeIgniter Essencial - Introdução e instalação

http://dev.rbtech.info/codeigniter-essencial-introducao-instalacao

https://codeigniter.com/

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CodeIgniter Essencial - MVC e a estrutura de diretórios

http://dev.rbtech.info/codeigniter-essencial-mvc-estrutura-diretorios

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CodeIgniter Essencial - MVC na prática

http://dev.rbtech.info/codeigniter-essencial-mvc-pratica/

controllers/Base.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Base extends CI_Controller {

    function __construct(){
        parent::__construct();
    }

    public function index(){
        //método padrão do Controller
    }
}
/**
 * Index Page for this controller.
 *
 * Maps to the following URL
 * 		http://example.com/index.php/welcome
 *	- or -
 * 		http://example.com/index.php/welcome/index
 *	- or -
 * Since this controller is set as the default controller in
 * config/routes.php, it's displayed at http://example.com/
 *
 * So any other public methods not prefixed with an underscore will
 * map to /index.php/welcome/<method_name>
 * @see https://codeigniter.com/user_guide/general/urls.html
 */

controllers/Exemplo1.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Exemplo1 extends CI_Controller {

    function __construct(){
        parent::__construct();
        $this->load->model('Exemplo1_model','apelido_model');
    }

    public function index(){
        //echo 'Executando método index no controller'; // fins didáticos
// http://localhost/proj_codeigniter/rbtech-CodeIgniter-Essencial/index.php/exemplo1

        $dados['titulo'] = 'Minha primeira View';
        $dados['conteudo'] = 'The page you are looking at is being generated dynamically by CodeIgniter.';
        $this->load->view('exemplo1', $dados);
    }
    public function login(){
        //echo 'Executando método Login no controller '; // fins didáticos
//http://localhost/proj_codeigniter/rbtech-CodeIgniter-Essencial/index.php/exemplo1/login
        //echo $this->uri->segment(3); // ../index.php/exemplo1/login/parametro (3 segmento pós index)

        //$this->Exemplo1_model->salvar(); // ../index.php/exemplo1/login
        $this->apelido_model->salvar(); // ../index.php/exemplo1/login
    }
}

views/Exemplo1.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');
?><!DOCTYPE html>
<html lang="pt-br">
<head>
    <meta charset="utf-8">
    <title>Exemplo de View</title>
</head>
<body>

<div id="container">
    <h1><?php  echo $titulo; ?></h1>

    <div id="body">
        <p><?php  echo $conteudo; ?></p>

    </div>


</div>

</body>
</html>

models/Exemplo1_model.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Exemplo1_model extends CI_Model {

    function __construct(){
        parent::__construct();

    }

    public function salvar(){
        //fins didáticos
        echo 'executando o método SALVAR do MODEL';
    }
}

config/routers.php

    $route['default_controller'] = 'welcome';
    //$route['default_controller'] = 'exemplo1';

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CodeIgniter Essencial - Download do curso

http://dev.rbtech.info/codeigniter-essencial-download-curso

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CodeIgniter Essencial - Criando um site parte 1

http://dev.rbtech.info/codeigniter-essencial-criando-site-parte-1/

controllers/Pagina.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Pagina extends CI_Controller {

    function __construct(){
        parent::__construct();
        $this->load->helper('url');
    }

    public function index(){
        $dados['titulo'] = 'Site teste 01';
        $this->load->view('home', $dados);
    }
}

views/header.php

<!DOCTYPE HTML>
<html>
<head>
	<meta charset="UTF-8">
	<title><?php echo $titulo ?></title>
	<link rel="stylesheet" href="<?php echo base_url('asserts/css/style.css') ?>" type="text/css">
</head>
<body>
	<div id="header">
		<div>
			<div class="logo">
				<a href="<?php echo base_url(); ?>">Zero Type</a>
			</div>
			<ul id="navigation">
				<li class="active">
					<a href="<?php echo base_url(); ?>">Home</a>
				</li>
				<li>
					<a href="<?php echo base_url('features'); ?>">Features</a>
				</li>
				<li>
					<a href="<?php echo base_url('news'); ?>">News</a>
				</li>
				<li>
					<a href="<?php echo base_url('about'); ?>">About</a>
				</li>
				<li>
					<a href="<?php echo base_url('contact'); ?>">Contact</a>
				</li>
			</ul>
		</div>
	</div>
	<div id="adbox">
		<div class="clearfix">
			<img src="<?php echo base_url('asserts/images/box.png') ?>" alt="Img" height="342" width="368">
			<div>
				<h1>Ideas?</h1>
				<h2>That's what we live for.</h2>
				<p>
					Wix is an online website builder with a simple drag & drop interface, meaning you do the work online and instantly publish to the web. <span><a href="index.html" class="btn">Try It Now!</a><b>Don’t worry it’s for free</b></span>
				</p>
			</div>
		</div>
	</div>

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CodeIgniter Essencial - Criando um site parte 2

http://dev.rbtech.info/codeigniter-essencial-criando-site-parte-2/

controllers/Pagina.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Pagina extends CI_Controller {

    function __construct(){
        parent::__construct();
        $this->load->helper('url');
    }

    public function index(){
        $dados['titulo'] = 'Site teste 01';
        $this->load->view('home', $dados);
    }
    public function features(){
        $dados['titulo'] = 'Features - Site teste 01';
        $this->load->view('features', $dados);
    }
    public function news(){
        $dados['titulo'] = 'News - Site teste 01';
        $this->load->view('news', $dados);
    }
    public function about(){
        $dados['titulo'] = 'About - Site teste 01';
        $this->load->view('about', $dados);
    }
    public function contact(){
        $dados['titulo'] = 'Contact - Site teste 01';
        $this->load->view('contact', $dados);
    }
}

routers.php

$route['default_controller'] = 'pagina';
$route['404_override'] = '';
$route['translate_uri_dashes'] = FALSE;

$route['features'] = 'pagina/features';
$route['news'] = 'pagina/news';
$route['about'] = 'pagina/about';
$route['contact'] = 'pagina/contact';
    // adição do .htaccess para melhorar o nome da url

.htaccess

<IfModule mod_rewrite.c>
   RewriteEngine On
   RewriteCond %{REQUEST_FILENAME} !-f
   RewriteCond %{REQUEST_FILENAME} !-d
   RewriteRule ^(.*)$ index.php/$1 [L]
</IfModule>

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CodeIgniter Essencial - Criando um site parte 3

http://dev.rbtech.info/codeigniter-essencial-criando-site-parte-3/

controllers/Pagina.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Pagina extends CI_Controller {

    function __construct(){
        parent::__construct();
        $this->load->helper('url');
    }

    public function index(){
        $dados['titulo'] = 'Site teste 01';
        $this->load->view('home', $dados);
    }
    public function features(){
        $dados['titulo'] = 'Features - Site teste 01';
        $this->load->view('features', $dados);
    }
    public function news(){
        $dados['titulo'] = 'News - Site teste 01';
        $this->load->view('news', $dados);
    }
    public function about(){
        $dados['titulo'] = 'About - Site teste 01';
        $this->load->view('about', $dados);
    }
    public function contact(){
        $this->load->helper('form');
        //$this->load->library('form_validation');
        $this->load->library(array('form_validation','email'));

        $this->form_validation->set_rules('nome','Nome','trim|required');
        $this->form_validation->set_rules('email','Email','trim|required|valid_email');
        $this->form_validation->set_rules('assunto','Assunto','trim|required');
        $this->form_validation->set_rules('mensagem','Mensagem','trim|required');

        if($this->form_validation->run() == FALSE):
            $dados['formerror'] = validation_errors();
        else:
            $dados_form = $this->input->post();
            //print_r($dados_form);
            $this->email->from($dados_form['email'],$dados_form['nome']);
            $this->email->to('suporte@josemalcher.net');
            $this->email->subject($dados_form['assunto']);
            $this->email->message($dados_form['mensagem']);
            if($this->email->send()):
                $dados['formerror'] = 'Validação OK - ENVIADO PARA O EMAIL';
            else:
                $dados['formerror'] = 'Erro ao enviar!';
            endif;
        endif;
        $dados['titulo'] = 'Contact - Site teste 01';
        $this->load->view('contact', $dados);
    }
}

views/contact.php

<?php $this->load->view('header'); ?>
	<div id="contents">
		<div class="section">
			<h1>Contact</h1>
			<p>
				You can replace all this text with your own text. Want an easier solution for a Free Website? Head straight to Wix and immediately start customizing your website! Wix is an online website builder with a simple drag & drop interface, meaning you do the work online and instantly publish to the web. All Wix templates are fully customizable and free to use. Just pick one you like, click Edit, and enter the online editor.
			</p>
            <div>
            <?php
                if($formerror):
                    echo '<p>'.$formerror.'</p>';
                endif;
                echo form_open('pagina/contact');
                echo form_label('Seu nome:', 'nome');
                echo form_input('nome', set_value('nome'));
                echo '<br>';
                echo form_label('Email:', 'email');
                echo form_input('email', set_value('email'));
                echo '<br>';
                echo form_label('Assunto:', 'assunto');
                echo form_input('assunto', set_value('assunto'));
                echo '<br>';
                echo form_label('Mensagem:', 'mensagem');
                echo form_textarea('mensagem', set_value('mensagem'));
                echo form_submit('enviar', 'Enviar Mensagem >>', array('class'=> 'botao'));

                echo form_close();
            ?>
            </div>
			<!--<form action="">
				<input type="text" value="Name" onFocus="this.select();" onMouseOut="javascript:return false;"/>
				<input type="text" value="Email" onFocus="this.select();" onMouseOut="javascript:return false;"/>
				<input type="text" value="Subject" onFocus="this.select();" onMouseOut="javascript:return false;"/>
				<textarea></textarea>
				<input type="submit" value="Send"/>
			</form>-->
		</div>
		<div class="section contact">
			<p>
				For Inquiries Please Call: <span>877-433-8137</span>
			</p>
			<p>
				Or you can visit us at: <span>ZeroType<br> 250 Business ParK Angel Green, Sunville 109935</span>
			</p>
		</div>
	</div>

<?php $this->load->view('footer'); ?>

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CodeIgniter Essencial - Criando um painel parte 1

/application/config/autoload.php

$autoload['libraries'] = array('database', 'session');
$autoload['helper'] = array('url','funcoes');

/application/config/config.php

$config['index_page'] = '';

/application/config/database.php

$db['default'] = array(
	'dsn'	=> '',
	'hostname' => 'localhost',
	'username' => 'root',
	'password' => '',
	'database' => 'cursoci',
	// (...)

/application/config/routes.php

$route['post'] = 'pagina';
$route['post/(:num)'] = 'pagina/post/$1';
$route['login'] = 'setup/login';
$route['painel'] = 'setup/login';

/helpers/funcoes_helper.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

/controllers/setup.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Setup extends CI_Controller {

    function __construct(){
        parent::__construct();
        $this->load->helper('form');
        $this->load->library('form_validation');
        $this->load->model('option_model', 'option');
    }

    public function index(){
        if($this->option->get_option('setup_executado') == 1):
            //setup ok, mostra tela para editar dados de setup
            redirect('setup/alterar','refresh');
        else:
            //não instalado, mostra tela de setup
            redirect('setup/instalar','refresh');
        endif;
    }

    public function instalar(){
        if($this->option->get_option('setup_executado') == 1):
            //setup ok, mostra tela para editar dados de setup
            redirect('setup/alterar','refresh');
        endif;

        //carrega a view
        $dados['titulo'] = 'Curso CI - SETUP do sistema';
        $dados['h2'] = 'SETUP do SISTEMA';
        $this->load->view('painel/setup',$dados);

    }
}

/models/option_model.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Option_model extends CI_Model {

    function __construct(){
        parent::__construct();
    }

    public function get_option($option_name){
        $this->db->where('option_name', $option_name);
        $query = $this->db->get('options',1);
        if($query->num_rows() == 1):
            $row = $query->row();
            return $row -> option_value;
        else:
            return NULL;
        endif;
    }
 }

views/painel/setup.php

<!DOCTYPE HTML>
<html>
<head>
    <meta charset="UTF-8">
    <title><?php echo $titulo ?></title>
    <link rel="stylesheet" href="<?php echo base_url('asserts/css/style.css') ?>" type="text/css">
    <link rel="stylesheet" href="<?php echo base_url('asserts/css/bootstrap.css') ?>" type="text/css">
    <link rel="stylesheet" href="<?php echo base_url('asserts/css/login.css') ?>" type="text/css">
</head>
<body class="text-center">
<?php

        echo form_open('',array('class'=>'form-signin'));

            echo form_label('Nome de Login','login');
            echo form_input('login',set_value('login'), array('class'=>'form-control'));

            echo form_label('Email Administrador','email');
            echo form_input('email',set_value('email'), array('class'=>'form-control'));

            echo form_label('Senha','senha');
            echo form_password('senha',set_value('senha'), array('class'=>'form-control'));

            echo form_label('Repita a Senha','senha2');
            echo form_password('senha2',set_value('senha2'), array('class'=>'form-control'));

            echo form_submit('enviar','Salvar Dados', array('class'=>'btn btn-primary'));

        echo form_close();
?>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
<script src="<?php echo base_url('asserts/js/bootstrap.min.js') ?>" ></script>

</body>
</html>

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CodeIgniter Essencial - Criando um painel parte 2

/controllers/setup.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Setup extends CI_Controller {

    function __construct(){
        parent::__construct();
        $this->load->helper('form');
        $this->load->library('form_validation');
        $this->load->model('option_model', 'option');
    }

    public function index(){
        if($this->option->get_option('setup_executado') == 1):
            //setup ok, mostra tela para editar dados de setup
            redirect('setup/alterar','refresh');
        else:
            //não instalado, mostra tela de setup
            redirect('setup/instalar','refresh');
        endif;
    }

    public function instalar(){
        if($this->option->get_option('setup_executado') == 1):
            //setup ok, mostra tela para editar dados de setup
            redirect('setup/alterar','refresh');
        endif;

        //regras de validação
        $this->form_validation->set_rules('login','NOME','trim|required|min_length[5]');
        $this->form_validation->set_rules('email','EMAIL','trim|required|valid_email');
        $this->form_validation->set_rules('senha','SENHA','trim|required|min_length[6]');
        $this->form_validation->set_rules('senha2','REPITA SENHA','trim|required|min_length[6]|matches[senha]');

        // verifica a validação
        if($this->form_validation->run() == FALSE):
            if(validation_errors()):
                set_msg(validation_errors());
            endif;
        else:
            $dados_form = $this->input->post();
            $this->option->update_option('user_login',$dados_form['login']);
            $this->option->update_option('user_email',$dados_form['email']);
            $this->option->update_option('user_pass',password_hash($dados_form['senha'],PASSWORD_DEFAULT));

            $inserindo = $this->option->update_option('setup_executado',1);
            if($inserindo):
                set_msg('<p>Sistema Instalado, Use os dados para Logar no Sistema</p>');
                redirect('setup/login','refresh');
            endif;
        endif;

        //carrega a view
        $dados['titulo'] = 'Curso CI - SETUP do sistema';
        $dados['h1'] = 'SETUP do SISTEMA';
        $this->load->view('painel/setup',$dados);
    }

    public function login(){
        if($this->option->get_option('setup_executado') != 1):
            //setup não ok, mostrar tela para instalar o sistema
            redirect('setup/instalar','refresh');
        endif;
        //regras de validação
        $this->form_validation->set_rules('login','NOME','trim|required|min_length[5]');
        $this->form_validation->set_rules('senha','SENHA','trim|required|min_length[6]');

        // verifica a validação
        if($this->form_validation->run() == FALSE):
            if(validation_errors()):
                set_msg(validation_errors());
            endif;
        else:
            $dados_form = $this->input->post();
            if($this->option->get_option('user_login') == $dados_form['login']):
                //usuário existe
                if(password_verify($dados_form['senha'], $this->option->get_option('user_pass'))):
                    //senha ok, fazer login
                    $this->session->set_userdata('login', TRUE);
                    $this->session->set_userdata('user_login', $dados_form['login']);
                    $this->session->set_userdata('user_email', $this->option->get_option('user_email'));
                    // Fazer redirect para a HOME do PAINEL
                    var_dump($_SESSION); //teste
                else:
                    // SENHA incorreta
                    set_msg('<p>Senha Incorreta</p>');
                endif;
            else:
                // usuário não existe
                set_msg('<p>USUÀRIO não existe!!</p>');
            endif;

        endif;



        //carrega a view
        $dados['titulo'] = 'Curso CI - SETUP do sistema';
        $dados['h1'] = 'LOGIN DO SISTEMA';
        $this->load->view('painel/login',$dados);
    }
}

_proj_site1/application/helpers/funcoes_helper.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

if(!function_exists('set_msg')):
    //seta uma mensagem via session para ser lida posteriomente
    function set_msg($msg = NULL){
        $ci = & get_instance();
        $ci->session->set_userdata('aviso',$msg);
    }
endif;

if(!function_exists('get_msg')):
    //retorna uma mensagem definida pela função set_msg
    function get_msg($destroy=TRUE){
        $ci = & get_instance();
        $retorno = $ci->session->userdata('aviso');
        if($destroy) $ci->session->unset_userdata('aviso');
        return $retorno;
    }
endif;

_proj_site1/application/views/painel/login.php

<!DOCTYPE HTML>
<html>
<head>
    <meta charset="UTF-8">
    <title><?php echo $titulo ?></title>
    <link rel="stylesheet" href="<?php echo base_url('asserts/css/style.css') ?>" type="text/css">
    <link rel="stylesheet" href="<?php echo base_url('asserts/css/bootstrap.css') ?>" type="text/css">
    <link rel="stylesheet" href="<?php echo base_url('asserts/css/login.css') ?>" type="text/css">
</head>
<body class="text-center">


<?php

        echo form_open('',array('class'=>'form-signin'));
        echo '<h2>'. $h1 .'</h2>';

            if($msg = get_msg()):
                echo '<div class="alert alert-danger">' . $msg .'</div>';
            endif;

            echo form_label('Usuário','login');
            echo form_input('login',set_value('login'), array('class'=>'form-control'));

            echo form_label('Senha','senha');
            echo form_password('senha',set_value('senha'), array('class'=>'form-control'));

            echo form_submit('enviar','Autenticar', array('class'=>'btn btn-primary'));

        echo form_close();
?>

<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
<script src="<?php echo base_url('asserts/js/bootstrap.min.js') ?>" ></script>

</body>
</html>

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CodeIgniter Essencial - Criando um painel parte 3

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CodeIgniter Essencial - Criando um painel parte 4

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CodeIgniter Essencial - Criando um painel parte 5

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CodeIgniter Essencial - Criando um painel parte 6

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