<?php
 use Illuminate\Database\Migrations\Migration; use Illuminate\Database\Schema\Blueprint; use Illuminate\Support\Facades\Schema; return new class extends Migration { public function up(): void { Schema::create('chat_sessions', function (Blueprint $t) { $t->id(); $t->unsignedBigInteger('client_id')->nullable(); $t->unsignedBigInteger('admin_id')->nullable(); $t->unsignedBigInteger('department_id')->nullable(); $t->string('visitor_name', 255)->nullable(); $t->string('visitor_email', 255)->nullable(); $t->string('public_token', 255)->nullable(); $t->string('visitor_id', 255)->nullable(); $t->string('ip_address', 255)->nullable(); $t->string('country', 255)->nullable(); $t->text('user_agent')->nullable(); $t->string('start_url', 255)->nullable(); $t->string('referrer', 255)->nullable(); $t->string('status', 255)->default('waiting'); $t->unsignedTinyInteger('rating')->nullable(); $t->text('rating_comment')->nullable(); $t->timestamp('started_at')->nullable(); $t->timestamp('ended_at')->nullable(); $t->string('closed_by', 255)->nullable(); $t->timestamp('created_at')->nullable(); $t->timestamp('updated_at')->nullable(); $t->index('admin_id', 'chat_sessions_admin_id_foreign'); $t->index('client_id', 'chat_sessions_client_id_foreign'); $t->unique('public_token', 'chat_sessions_public_token_unique'); $t->index(['status', 'created_at'], 'chat_sessions_status_created_at_index'); $t->foreign('admin_id', 'chat_sessions_admin_id_foreign')->references('id')->on('admins')->onDelete('set null'); $t->foreign('client_id', 'chat_sessions_client_id_foreign')->references('id')->on('clients')->onDelete('set null'); }); } public function down(): void { Schema::dropIfExists('chat_sessions'); } }; 