1
Good evening. I would like help if possible.
controller/documents.php
public function clienteAdicionar(){
    if(!$this->permission->checkPermission($this->session->userdata('permissao'),'aDocumento')){
       $this->session->set_flashdata('error','Você não tem permissão para adicionar documentos.');
       redirect(base_url());
    }
    $this->data['listaCliente'] = $this->documentos_model->getBase('cliente', 'razaosocial', 'ASC');
    $this->load->library('form_validation');
    $this->data['custom_error'] = '';
    if ($this->form_validation->run('documentos') == false) {
        $this->data['custom_error'] = (validation_errors() ? '<div class="form_error">' . validation_errors() . '</div>' : false);
    } else {
        $field_name = "campo_arquivo";
        $this->documentos_model->do_upload($field_name);
    }
    $this->data['view'] = 'documentos/cadastros/adicionarCliente';
    $this->load->view('tema/topo', $this->data);
}
And I also have the following function within the model:
documents_model.php
function do_upload()
{
    $date = date('d-m-Y');
    $config['upload_path'] = './assets/arquivos/'.$date;
    $config['allowed_types'] = 'txt|jpg|jpeg|gif|png|pdf|PDF|JPG|JPEG|GIF|PNG';
    $config['max_size']     = 0;
    $config['max_width']  = '3000';
    $config['max_height']  = '2000';
    $config['encrypt_name'] = true;
    if (!is_dir('./assets/arquivos/'.$date)) {
        mkdir('./assets/arquivos/' . $date, 0777, TRUE);
    }
    $this->load->library('upload', $config);
    if ( ! $this->upload->do_upload())
    {
        $error = array('error' => $this->upload->display_errors());
        $this->session->set_flashdata('error','Erro ao fazer upload do arquivo, verifique se a extensão do arquivo é permitida.');
        redirect(base_url() . 'index.php/documentos/clienteAdicionar/');
    }
    else
    {
        //$data = array('upload_data' => $this->upload->data());
        return $this->upload->data();
    }
}
Add client: addirCliente.php
            <form class="form-inline" method="post" enctype="multipart/form-data" action="<?php echo current_url(); ?>" id="formArquivo">
            <?php 
                if($this->uri->segment(4)=="editar"){
                    echo form_hidden('idDocumento',$result->idDocumento);
                }
            ?>
            <fieldset>
                    <legend><i class="icon-plus icon-title"></i> Novo Documento</legend>
                    <div class="line">
                        <p>
                          <label class="control-label">Cliente</label>
                          <select class="input-xxlarge" name="tipo" id="tipo" style="width: 715px !important;" autofocus>
                            <option value="">Selecione o Cliente</option>
                            <? foreach($this->data['listaCliente'] as $listaCliente){ ?>
                            <option value="<? echo $listaCliente->idCliente; ?>" <? if(isset($result->idAdministrador)){ if($listaCliente->idCliente==$result->idAdministrador){ echo "selected"; } } ?>><? echo $listaCliente->razaosocial; ?></option>
                            <? } ?>
                          </select>
                          <br>
                      </p>
                        <p>  </p>
                    </div>
                    <div class="line">
                        <label class="control-label">Nome do Arquivo</label>
                        <input id="dp1" class="input-small" style="width: 701px !important;" name="nomearquivo" value="" type="text" placeholder="Nome do Arquivo" >
                    </div>
                    <div class="line">
                        <label class="control-label">Arquivo </label>
                        <input id="campo_arquivo" type="file" class="input-small" name="campo_arquivo" /> (txt|pdf|gif|png|jpg|jpeg)
                    </div>
                <div class="button-form line">                                          
                    <div class="span6 offset3" style="text-align: center">
                    <? if($this->uri->segment(2)=="editar"){ ?>
                        <button type="submit" class="btn btn-primary"><i class="icon-ok icon-white"></i> Alterar</button>
                    <? } else { ?>
                        <button class="btn btn-success" id="btnContinuar"><i class="icon-plus icon-white"></i> Adicionar</button>
                    <? } ?>
                    <a href="<?php echo base_url() ?>index.php/documentos" class="btn"><i class="icon-arrow-left"></i> Voltar</a>
                    </div>
                </div>
            </fieldset>
        </form>
The error that gives, is that does not UPLOAD, does not come the form data, even if I change the field to default (userfile), but also does not work. Someone can help me?