root
125 lines
5.2 KiB
PHP
125 lines
5.2 KiB
PHP
<?php
|
|
|
|
namespace App\Database\Migrations;
|
|
|
|
use CodeIgniter\Database\Migration;
|
|
|
|
class AddClassroomConditionBuckets extends Migration
|
|
{
|
|
public function up()
|
|
{
|
|
$db = \Config\Database::connect();
|
|
|
|
// --- Ensure columns exist on inventory_items ---
|
|
$cols = $db->getFieldNames('inventory_items');
|
|
|
|
// 1) Academic tagging
|
|
$addAcademic = [];
|
|
if (!in_array('school_year', $cols, true)) {
|
|
$addAcademic['school_year'] = ['type' => 'VARCHAR', 'constraint' => 16, 'null' => true];
|
|
}
|
|
if (!in_array('semester', $cols, true)) {
|
|
$addAcademic['semester'] = ['type' => 'ENUM("Spring","Fall")', 'null' => true];
|
|
}
|
|
if ($addAcademic) {
|
|
$this->forge->addColumn('inventory_items', $addAcademic);
|
|
}
|
|
|
|
// 2) Condition buckets (classroom)
|
|
$addBuckets = [];
|
|
if (!in_array('good_qty', $cols, true)) $addBuckets['good_qty'] = ['type'=>'INT','unsigned'=>true,'default'=>0,'null'=>false,'after'=>'quantity'];
|
|
if (!in_array('needs_repair_qty', $cols, true)) $addBuckets['needs_repair_qty'] = ['type'=>'INT','unsigned'=>true,'default'=>0,'null'=>false,'after'=>'good_qty'];
|
|
if (!in_array('need_replace_qty', $cols, true)) $addBuckets['need_replace_qty'] = ['type'=>'INT','unsigned'=>true,'default'=>0,'null'=>false,'after'=>'needs_repair_qty'];
|
|
if (!in_array('cannot_find_qty', $cols, true)) $addBuckets['cannot_find_qty'] = ['type'=>'INT','unsigned'=>true,'default'=>0,'null'=>false,'after'=>'need_replace_qty'];
|
|
|
|
if ($addBuckets) {
|
|
$this->forge->addColumn('inventory_items', $addBuckets);
|
|
}
|
|
|
|
// 3) Backfill school_year/semester from configuration (or fallback)
|
|
[$sem, $yr] = $this->resolveCurrentAcademic($db);
|
|
|
|
// Only fill when missing
|
|
$db->query("
|
|
UPDATE inventory_items
|
|
SET school_year = COALESCE(NULLIF(school_year, ''), ?),
|
|
semester = COALESCE(semester, ?)
|
|
WHERE school_year IS NULL OR school_year = '' OR semester IS NULL
|
|
", [$yr, $sem]);
|
|
|
|
// 4) Backfill buckets for classroom rows (first-time init)
|
|
$db->query("
|
|
UPDATE inventory_items
|
|
SET
|
|
good_qty = quantity,
|
|
needs_repair_qty = COALESCE(needs_repair_qty,0),
|
|
need_replace_qty = COALESCE(need_replace_qty,0),
|
|
cannot_find_qty = COALESCE(cannot_find_qty,0)
|
|
WHERE type='classroom'
|
|
AND (COALESCE(good_qty,0) = 0
|
|
AND COALESCE(needs_repair_qty,0) = 0
|
|
AND COALESCE(need_replace_qty,0) = 0
|
|
AND COALESCE(cannot_find_qty,0) = 0)
|
|
");
|
|
|
|
// 5) Add index on (school_year, semester) if not present
|
|
$idx = $db->query("
|
|
SELECT 1
|
|
FROM information_schema.statistics
|
|
WHERE TABLE_SCHEMA = DATABASE()
|
|
AND TABLE_NAME = 'inventory_items'
|
|
AND INDEX_NAME = 'idx_items_schoolyear_semester'
|
|
LIMIT 1
|
|
")->getFirstRow();
|
|
|
|
if (!$idx) {
|
|
$db->query("ALTER TABLE inventory_items ADD INDEX idx_items_schoolyear_semester (school_year, semester)");
|
|
}
|
|
}
|
|
|
|
public function down()
|
|
{
|
|
// Buckets can be dropped safely
|
|
try { $this->forge->dropColumn('inventory_items', 'good_qty'); } catch (\Throwable $e) {}
|
|
try { $this->forge->dropColumn('inventory_items', 'needs_repair_qty'); } catch (\Throwable $e) {}
|
|
try { $this->forge->dropColumn('inventory_items', 'need_replace_qty'); } catch (\Throwable $e) {}
|
|
try { $this->forge->dropColumn('inventory_items', 'cannot_find_qty'); } catch (\Throwable $e) {}
|
|
|
|
// school_year/semester may be used elsewhere; drop only if you really want to
|
|
try { $this->forge->dropColumn('inventory_items', 'school_year'); } catch (\Throwable $e) {}
|
|
try { $this->forge->dropColumn('inventory_items', 'semester'); } catch (\Throwable $e) {}
|
|
|
|
// Drop index if it exists
|
|
$db = \Config\Database::connect();
|
|
try { $db->query("ALTER TABLE inventory_items DROP INDEX idx_items_schoolyear_semester"); } catch (\Throwable $e) {}
|
|
}
|
|
|
|
/**
|
|
* Resolve current academic year/semester from configuration table,
|
|
* fallback to date-based inference if not set.
|
|
*/
|
|
private function resolveCurrentAcademic($db): array
|
|
{
|
|
$sem = null; $yr = null;
|
|
|
|
if ($db->tableExists('configuration')) {
|
|
$sem = $db->table('configuration')->select('config_value')
|
|
->where('config_key','semester')->get()->getRow('config_value');
|
|
$yr = $db->table('configuration')->select('config_value')
|
|
->where('config_key','school_year')->get()->getRow('config_value');
|
|
}
|
|
|
|
if (!$sem || !$yr) {
|
|
$now = new \DateTime('now', new \DateTimeZone('America/New_York'));
|
|
$y = (int)$now->format('Y');
|
|
$m = (int)$now->format('n');
|
|
|
|
// Adjust these rules if your academic calendar differs
|
|
$sem = $sem ?: (($m >= 2 && $m <= 5) ? 'Spring' : 'Fall');
|
|
$yr = $yr ?: (($m >= 6) ? sprintf('%d-%d', $y, $y+1) : sprintf('%d-%d', $y-1, $y));
|
|
}
|
|
|
|
return [$sem, $yr];
|
|
}
|
|
}
|