add column unique numbering scheme, more efficient selects

This commit is contained in:
2018-08-04 19:57:59 +02:00
parent 69bda25bbb
commit fabc3ad24e
23 changed files with 452 additions and 173 deletions
+79 -43
View File
@@ -3,15 +3,16 @@
namespace App\Http\Controllers;
use App\Models\Revision;
use App\Models\Row;
use App\Models\Table;
use App\Models\User;
use App\Tables\Column;
use App\Tables\ColumnNumerator;
use App\Tables\CStructArrayExporter;
use App\Tables\CsvExporter;
use App\Tables\CXMacroExporter;
use App\Tables\JsonExporter;
use App\Tables\PhpExporter;
use App\Tables\RowNumerator;
use Illuminate\Http\Request;
use Illuminate\Validation\Rule;
use MightyPork\Exceptions\NotApplicableException;
@@ -41,11 +42,15 @@ class TableController extends Controller
$this->countTableVisit($request, $tableModel);
$columns = Column::columnsFromJson($revision->columns);
$rows = $revision->rowsData($columns)->paginate(25, []);
return view('table.view', [
'table' => $tableModel,
'revision' => $revision,
'columns' => Column::columnsFromJson($revision->columns),
'rows' => $revision->rows()->paginate(25),
'columns' => $columns,
'rows' => $rows,
]);
}
@@ -78,6 +83,7 @@ class TableController extends Controller
"Patella vulgata,common limpet,20";
$columns = Column::columnsFromJson([
// fake 'id' to satisfy the check in Column constructor
['name' => 'latin', 'type' => 'string', 'title' => 'Latin Name'],
['name' => 'common', 'type' => 'string', 'title' => 'Common Name'],
['name' => 'lifespan', 'type' => 'int', 'title' => 'Lifespan (years)']
@@ -90,6 +96,9 @@ class TableController extends Controller
]);
}
/**
* Show table settings edit form
*/
public function settings(Request $request, User $user, string $table)
{
/** @var Table $tableModel */
@@ -102,6 +111,9 @@ class TableController extends Controller
]);
}
/**
* Store modified table settings
*/
public function storeSettings(Request $request, User $user, string $table)
{
/** @var Table $tableModel */
@@ -149,85 +161,100 @@ class TableController extends Controller
]);
// Check if table name is unique for user
if ($u->tables()->where('name', $input->name)->exists()) {
if ($u->hasTable($input->name)) {
return $this->backWithErrors([
'name' => "A table called \"$input->name\" already exists in your account.",
]);
}
// --- COLUMNS ---
// Parse and validate the columns specification
/** @var Column[] $columns */
$columns = [];
$column_keys = []; // for checking duplicates
$col_names = []; // for checking duplicates
$colsArray = fromJSON($input->columns);
// prevent griefing via long list of columns
if (count($colsArray) > 100) return $this->backWithErrors(['columns' => "Too many columns"]);
foreach ($colsArray as $col) {
if (!isset($col->name) || !isset($col->type) || empty($col->name) || empty($col->type)) {
return $this->backWithErrors(['columns' => "All columns must have at least name and type."]);
foreach ($colsArray as $colObj) {
// ensure column has a title
if (!isset($colObj->title)) {
$colObj->title = $colObj->name;
}
try {
if (in_array($col->name, $column_keys)) {
return $this->backWithErrors(['columns' => "Duplicate column: $col->name"]);
if (in_array($colObj->name, $col_names)) {
return $this->backWithErrors(['columns' => "Duplicate column: $colObj->name"]);
}
$column_keys[] = $col->name;
if (!isset($col->title)) $col->title = $col->name;
$columns[] = new Column($col);
$col_names[] = $colObj->name;
$columns[] = new Column($colObj);
} catch (\Exception $e) {
// validation errors from the Column constructor
return $this->backWithErrors(['columns' => $e->getMessage()]);
}
}
if (count($columns) == 0) return $this->backWithErrors(['columns' => "Define at least one column"]);
if (count($columns) == 0) {
return $this->backWithErrors(['columns' => "Define at least one column"]);
}
$rowTable = array_map('str_getcsv', explode("\n", $input->data));
// Now assign column IDs
$columnNumerator = new ColumnNumerator(count($columns));
foreach ($columns as $column) {
$column->setID($columnNumerator->next());
}
// --- DATA ---
$dataCsvLines = array_map('str_getcsv', explode("\n", $input->data));
// Preparing data to insert into the Rows table
$rowsData = null;
$rowsToInsert = null;
$rowNumerator = null;
try {
$grid_range = Row::allocateGRIDs(count($rowTable));
$grid_cnt = $grid_range[0];
$rowsData = array_map(function ($row) use ($columns, &$grid_cnt) {
if (count($row) == 0 || count($row) == 1 && $row[0] == '') return null;
$rowsToInsert = collect($dataCsvLines)->map(function ($row) use ($columns) {
if (count($row) == 0 || count($row) == 1 && $row[0] == '') return null; // discard empty lines
if (count($row) != count($columns)) {
throw new NotApplicableException("All rows must have " . count($columns) . " fields.");
}
$parsed = [
'_grid' => $grid_cnt++
];
$data = [];
foreach ($row as $i => $val) {
$key = $columns[$i]->name;
if (strlen($val) > 255) {
// try to stop people inserting unstructured crap / malformed CSV
throw new NotApplicableException("Value for column $key too long.");
}
$parsed[$key] = $columns[$i]->cast($val);
}
return [
'data' => $parsed,
];
}, $rowTable);
$col = $columns[$i];
$rowsData = array_filter($rowsData);
if (strlen($val) > 1000) {
// try to stop people inserting unstructured crap / malformed CSV
throw new NotApplicableException("Value for column {$col->name} too long.");
}
$data[$col->id] = $col->cast($val);
}
// return in a format prepared for filling eloquent
return ['data' => $data];
})->filter()->all(); // remove nulls, to array
// attach _id labels to all rows
$rowNumerator = new RowNumerator(count($dataCsvLines));
foreach ($rowsToInsert as &$item) {
$item['data']['_id'] = $rowNumerator->next();
}
} catch (\Exception $e) {
return $this->backWithErrors(['data' => $e->getMessage()]);
}
// --- STORE TO DB ---
/* Fields for the new Revision instance */
$revisionFields = [
'note' => "Initial revision of table $u->name/$input->name",
'columns' => $columns,
'row_count' => count($rowsData),
'row_count' => count($rowsToInsert),
];
/* Fields for the new Table instance */
$tableFields = [
'owner_id' => $u->id,
'revision_id' => 0,
'name' => $input->name,
'title' => $input->title,
'description' => $input->description,
@@ -235,10 +262,12 @@ class TableController extends Controller
'origin' => $input->origin,
];
\DB::transaction(function () use ($revisionFields, $tableFields, $rowsData) {
/** @var Table $table */
$table = null;
\DB::transaction(function () use ($revisionFields, $tableFields, $rowsToInsert, &$table) {
$revision = Revision::create($revisionFields);
$tableFields['revision_id'] = $revision->id; // to meet the not-null constraint
$tableFields['revision_id'] = $revision->id; // current revision (not-null constraint on this FK)
$table = Table::create($tableFields);
// Attach the revision to the table, set as current
@@ -246,10 +275,10 @@ class TableController extends Controller
$table->revision()->associate($revision);
// Spawn rows, linked to the revision
$revision->rows()->createMany($rowsData);
$revision->rows()->createMany($rowsToInsert);
});
return redirect(route('table.view', ['user' => $u, 'table' => $input->name]));
return redirect($table->viewRoute);
}
/**
@@ -260,7 +289,7 @@ class TableController extends Controller
*/
private function countTableVisit(Request $request, Table $table)
{
$cookieName = "view_$table->id";
$cookieName = "view_{$table->owner->name}_{$table->name}";
if (!$request->cookie($cookieName, false)) {
$ua = $request->userAgent();
// Filter out suspicious user agents
@@ -271,6 +300,13 @@ class TableController extends Controller
}
}
/**
* Simple export via a preset
*
* @param Request $request
* @param User $user
* @param string $table
*/
public function export(Request $request, User $user, string $table)
{
/** @var Table $tableModel */