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add import/Export contacts system

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This commit is contained in:
osaajani 2019-11-30 05:31:20 +01:00
parent 6503eb62ec
commit cfde77a0c1
10 changed files with 509 additions and 12 deletions
controllers/internals
Contact.php

225
controllers/internals/Contact.php
View file

@ -109,4 +109,229 @@ namespace controllers\internals;
return $this->get_model()->update_for_user($id_user, $id, $contact);
}
/**
* Import a list of contacts as csv
* @param resource $file_handler : File handler to import contacts from
* @param int $id_user : User id
* @return mixed : False on error, number of inserted contacts else
*/
public function import_csv (int $id_user, $file_handler)
{
if (!is_resource($file_handler))
{
return false;
}
$nb_insert = 0;
$head = null;
while ($line = fgetcsv($file_handler))
{
if ($head === null)
{
$head = $line;
continue;
}
$line = array_combine($head, $line);
if ($line === false)
{
continue;
}
if (!isset($line['name'], $line['number']))
{
continue;
}
$datas = [];
foreach ($line as $key => $value)
{
if ($key == 'name' || $key == 'number')
{
continue;
}
if ($value === '')
{
continue;
}
$key = mb_ereg_replace('[\W]', '', $key);
$datas[$key] = $value;
}
$datas = json_encode($datas);
$success = $this->create($id_user, $line['number'], $line['name'], $datas);
if ($success)
{
$nb_insert ++;
}
}
return $nb_insert;
}
/**
* Import a list of contacts as json
* @param resource $file_handler : File handler to import contacts from
* @param int $id_user : User id
* @return mixed : False on error, number of inserted contacts else
*/
public function import_json (int $id_user, $file_handler)
{
if (!is_resource($file_handler))
{
return false;
}
$file_content = '';
while ($line = fgets($file_handler))
{
$file_content .= $line;
}
try
{
$contacts = json_decode($file_content, true);
if (!is_array($contacts))
{
return false;
}
$nb_insert = 0;
foreach ($contacts as $contact)
{
if (!is_array($contact))
{
continue;
}
if (!isset($contact['name'], $contact['number']))
{
continue;
}
$datas = $contact['datas'] ?? [];
$datas = json_encode($datas);
$success = $this->create($id_user, $contact['number'], $contact['name'], $datas);
if ($success)
{
$nb_insert ++;
}
}
return $nb_insert;
}
catch (\Exception $e)
{
return false;
}
}
/**
* Export the contacts of a user as csv
* @param int $id_user : User id
* @return array : ['headers' => array of headers to return, 'content' => the generated file]
*/
public function export_csv (int $id_user) : array
{
$contacts = $this->get_model()->gets_for_user($id_user);
$columns = [
'name',
'number',
];
foreach ($contacts as $contact)
{
$datas = json_decode($contact['datas'], true);
foreach ($datas as $key => $value)
{
$columns[] = $key;
}
}
$columns = array_unique($columns);
$lines = [];
foreach ($contacts as $contact)
{
$datas = json_decode($contact['datas'], true);
$line = [];
foreach ($columns as $column)
{
if (isset($contact[$column]))
{
$line[] = $contact[$column];
continue;
}
if (isset($datas[$column]))
{
$line[] = $datas[$column];
continue;
}
$line[] = null;
}
$lines[] = $line;
}
//Php only support csv formatting to file. To get it in string we need to create a tmp in memory file, write in it, and then read the file into a var
// output up to 5MB is kept in memory, if it becomes bigger it will automatically be written to a temporary file
$csv_tmp_file = fopen('php://temp/maxmemory:'. (5*1024*1024), 'r+');
fputcsv($csv_tmp_file, $columns);
foreach ($lines as $line)
{
fputcsv($csv_tmp_file, $line);
}
rewind($csv_tmp_file);
$csv_string = stream_get_contents($csv_tmp_file);
return [
'headers' => [
'Content-Disposition: attachment; filename=contacts.csv',
'Content-Type: text/csv',
'Content-Length: ' . strlen($csv_string),
],
'content' => $csv_string,
];
}
/**
* Export the contacts of a user as json
* @param int $id_user : User id
* @return array : ['headers' => array of headers to return, 'content' => the generated file]
*/
public function export_json (int $id_user) : array
{
$contacts = $this->get_model()->gets_for_user($id_user);
foreach ($contacts as &$contact)
{
unset($contact['id']);
unset($contact['id_user']);
$contact['datas'] = json_decode($contact['datas']);
}
$content = json_encode($contacts);
return [
'headers' => [
'Content-Disposition: attachment; filename=contacts.json',
'Content-Type: application/json',
'Content-Length: ' . strlen($content),
],
'content' => $content,
];
}
}