DeclarationTVA/declarationtvaindex.php

<?php
/**
 * DeclarationTVA Main Interface
 * French CA-3 VAT Declaration Module for Dolibarr
 * MVP Version - Phase 1
 */

// Load Dolibarr environment
if (file_exists('../main.inc.php')) {
    $res = @include '../main.inc.php';
} elseif (file_exists('../../main.inc.php')) {
    $res = @include '../../main.inc.php';
} else {
    $res = 0;
}

if (!$res) {
    die("Include of main fails");
}

// Load module classes
require_once DOL_DOCUMENT_ROOT . '/custom/declarationtva/core/class/declarationtva.class.php';
require_once DOL_DOCUMENT_ROOT . '/custom/declarationtva/core/class/declarationtva_config.class.php';
require_once DOL_DOCUMENT_ROOT . '/custom/declarationtva/core/class/declarationtva_period.class.php';

// Access control
if (!$user->hasRight("declarationtva", "declarationtva", "read")) {
    accessforbidden();
}

// Load language files
$langs->load("declarationtva@declarationtva");

// Initialize objects
$declarationtva = new DeclarationTVA($db, $conf->entity);
$config = new DeclarationTVA_Config($db, $conf->entity);
$period = new DeclarationTVA_Period($db, $conf->entity);

// Handle actions
$action = GETPOST('action', 'alpha');
$declaration_id = GETPOST('declaration_id', 'int');
$period_id = GETPOST('period_id', 'int');

// Process actions
if ($action == 'create_declaration' && $period_id > 0) {
    $declaration_id = $declarationtva->createDeclaration($period_id);
    if ($declaration_id > 0) {
        setEventMessages($langs->trans("DeclarationCreated"), null, 'mesgs');
    } else {
        setEventMessages($langs->trans("ErrorCreatingDeclaration") . ": " . $declarationtva->error, null, 'errors');
    }
} elseif ($action == 'validate_declaration' && $declaration_id > 0) {
    if ($declarationtva->validateDeclaration($declaration_id)) {
        setEventMessages($langs->trans("DeclarationValidated"), null, 'mesgs');
    } else {
        setEventMessages($langs->trans("ErrorValidatingDeclaration"), null, 'errors');
    }
} elseif ($action == 'submit_declaration' && $declaration_id > 0) {
    if ($declarationtva->submitDeclaration($declaration_id)) {
        setEventMessages($langs->trans("DeclarationSubmitted"), null, 'mesgs');
    } else {
        setEventMessages($langs->trans("ErrorSubmittingDeclaration"), null, 'errors');
    }
}

// Get data for display
$periods = $period->getAllPeriods();
$declarations = array();

// Get declarations for each period
foreach ($periods as $p) {
    $sql = "SELECT * FROM " . MAIN_DB_PREFIX . "declarationtva_declarations 
            WHERE period_id = " . $p['rowid'] . " AND entity = " . $conf->entity . " 
            ORDER BY created_date DESC";
    
    $result = $db->query($sql);
    if ($result) {
        while ($obj = $db->fetch_object($result)) {
            $declarations[] = array(
                'rowid' => $obj->rowid,
                'declaration_number' => $obj->declaration_number,
                'status' => $obj->status,
                'total_vat_collected' => $obj->total_vat_collected,
                'total_vat_deductible' => $obj->total_vat_deductible,
                'net_vat_due' => $obj->net_vat_due,
                'vat_credit' => $obj->vat_credit,
                'created_date' => $obj->created_date,
                'period_name' => $p['period_name']
            );
        }
    }
}

// Page title
$title = $langs->trans("DeclarationTVAMainInterface");
llxHeader('', $title);

// Print page header
print load_fiche_titre($title, '', 'title_accountancy');

// Print periods section
print '<div class="fiche">';
print '<div class="fichehalfleft">';
print '<div class="titre">' . $langs->trans("DeclarationTVAPeriods") . '</div>';

if (empty($periods)) {
    print '<div class="info">' . $langs->trans("NoPeriodsFound") . '</div>';
} else {
    print '<table class="noborder centpercent">';
    print '<tr class="liste_titre">';
    print '<th>' . $langs->trans("PeriodName") . '</th>';
    print '<th>' . $langs->trans("StartDate") . '</th>';
    print '<th>' . $langs->trans("EndDate") . '</th>';
    print '<th>' . $langs->trans("Status") . '</th>';
    print '<th>' . $langs->trans("Actions") . '</th>';
    print '</tr>';

    foreach ($periods as $p) {
        print '<tr>';
        print '<td>' . $p['period_name'] . '</td>';
        print '<td>' . dol_print_date($p['start_date'], 'day') . '</td>';
        print '<td>' . dol_print_date($p['end_date'], 'day') . '</td>';
        print '<td>' . $langs->trans("Status" . ucfirst($p['status'])) . '</td>';
        print '<td>';
        print '<a href="' . $_SERVER['PHP_SELF'] . '?action=create_declaration&period_id=' . $p['rowid'] . '" class="butAction">' . $langs->trans("CreateDeclaration") . '</a>';
        print '</td>';
        print '</tr>';
    }
    print '</table>';
}

print '</div>';
print '</div>';

// Print declarations section
print '<div class="fiche">';
print '<div class="fichehalfright">';
print '<div class="titre">' . $langs->trans("DeclarationTVADeclarations") . '</div>';

if (empty($declarations)) {
    print '<div class="info">' . $langs->trans("NoDeclarationsFound") . '</div>';
} else {
    print '<table class="noborder centpercent">';
    print '<tr class="liste_titre">';
    print '<th>' . $langs->trans("DeclarationNumber") . '</th>';
    print '<th>' . $langs->trans("Period") . '</th>';
    print '<th>' . $langs->trans("Status") . '</th>';
    print '<th>' . $langs->trans("NetVATDue") . '</th>';
    print '<th>' . $langs->trans("Actions") . '</th>';
    print '</tr>';

    foreach ($declarations as $d) {
        print '<tr>';
        print '<td>' . $d['declaration_number'] . '</td>';
        print '<td>' . $d['period_name'] . '</td>';
        print '<td>' . $langs->trans("Status" . ucfirst($d['status'])) . '</td>';
        print '<td>' . price($d['net_vat_due']) . '</td>';
        print '<td>';
        
        if ($d['status'] == 'draft') {
            print '<a href="' . $_SERVER['PHP_SELF'] . '?action=validate_declaration&declaration_id=' . $d['rowid'] . '" class="butAction">' . $langs->trans("Validate") . '</a>';
        } elseif ($d['status'] == 'validated') {
            print '<a href="' . $_SERVER['PHP_SELF'] . '?action=submit_declaration&declaration_id=' . $d['rowid'] . '" class="butAction">' . $langs->trans("Submit") . '</a>';
        }
        
        print '<a href="declarationtva_view.php?id=' . $d['rowid'] . '" class="butAction">' . $langs->trans("View") . '</a>';
        print '</td>';
        print '</tr>';
    }
    print '</table>';
}

print '</div>';
print '</div>';

// Print configuration section
print '<div class="fiche">';
print '<div class="titre">' . $langs->trans("DeclarationTVAConfiguration") . '</div>';
print '<div class="info">';
print '<a href="admin/setup.php" class="butAction">' . $langs->trans("ConfigureModule") . '</a>';
print '</div>';
print '</div>';

// Print footer
llxFooter();
?>