root
64 lines
2.7 KiB
PHP
64 lines
2.7 KiB
PHP
<?php
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namespace App\Database\Migrations;
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use CodeIgniter\Database\Migration;
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class CreateInventoryMovements extends Migration
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{
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public function up()
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{
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$this->forge->addField([
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'id' => ['type'=>'INT','unsigned'=>true,'auto_increment'=>true],
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'item_id' => ['type'=>'INT','unsigned'=>true,'null'=>false],
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'qty_change' => ['type'=>'INT','null'=>false], // +in / -out
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'movement_type' => ['type'=>'ENUM("initial","in","out","adjust","distribution")','null'=>false,'default'=>'adjust'],
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'reason' => ['type'=>'VARCHAR','constraint'=>120,'null'=>true],
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'note' => ['type'=>'TEXT','null'=>true],
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// tagging
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'semester' => ['type'=>'ENUM("Spring","Fall")','null'=>true],
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'school_year' => ['type'=>'VARCHAR','constraint'=>16,'null'=>true], // e.g. 2025-2026
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// who/for whom
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'performed_by' => ['type'=>'INT','unsigned'=>true,'null'=>true], // user id
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'teacher_id' => ['type'=>'INT','unsigned'=>true,'null'=>true],
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'student_id' => ['type'=>'INT','unsigned'=>true,'null'=>true],
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'class_section_id'=> ['type'=>'INT','unsigned'=>true,'null'=>true],
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'created_at' => ['type'=>'DATETIME','null'=>true],
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'updated_at' => ['type'=>'DATETIME','null'=>true],
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]);
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$this->forge->addKey('id', true);
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$this->forge->addKey('item_id');
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$this->forge->addKey(['school_year','semester']);
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$this->forge->addKey('movement_type');
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$this->forge->addForeignKey('item_id', 'inventory_items', 'id', 'CASCADE', 'CASCADE');
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// Create table as InnoDB
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$this->forge->createTable('inventory_movements', true, ['ENGINE'=>'InnoDB']);
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// Optional FKs to users if compatible
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$db = \Config\Database::connect();
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if ($db->tableExists('users')) {
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// try add FK; ignore failures (engine/type mismatch)
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try {
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$db->query("ALTER TABLE inventory_movements
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ADD CONSTRAINT fk_inv_mov_performed_by FOREIGN KEY (performed_by) REFERENCES users(id)
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ON DELETE SET NULL ON UPDATE CASCADE");
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} catch (\Throwable $e) {}
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try {
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$db->query("ALTER TABLE inventory_movements
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ADD CONSTRAINT fk_inv_mov_teacher FOREIGN KEY (teacher_id) REFERENCES users(id)
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ON DELETE SET NULL ON UPDATE CASCADE");
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} catch (\Throwable $e) {}
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}
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}
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public function down()
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{
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$this->forge->dropTable('inventory_movements', true);
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}
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}
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