<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="local/profilephotos3/db" VERSION="20260525" COMMENT="XMLDB file for local_profilephotos3"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd">
  <TABLES>
    <TABLE NAME="local_profilephotos3_queue" COMMENT="Tracks profile photo S3 sync status per user">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Moodle user ID"/>
        <FIELD NAME="action" TYPE="char" LENGTH="10" NOTNULL="true" DEFAULT="upload" SEQUENCE="false" COMMENT="upload or delete"/>
        <FIELD NAME="status" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="pending" SEQUENCE="false" COMMENT="pending|success|failed"/>
        <FIELD NAME="s3_path" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="S3 object key after upload"/>
        <FIELD NAME="picture_hash" TYPE="char" LENGTH="40" NOTNULL="false" SEQUENCE="false" COMMENT="SHA1 hash of uploaded photo content"/>
        <FIELD NAME="files_synced" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="Comma-separated list of synced filenames e.g. f1.png,f2.png"/>
        <FIELD NAME="file_size" TYPE="int" LENGTH="15" NOTNULL="false" SEQUENCE="false" COMMENT="Total size of uploaded files in bytes"/>
        <FIELD NAME="retry_count" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Number of retry attempts"/>
        <FIELD NAME="error_log" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Append-only audit trail of all sync attempts with timestamps"/>
        <FIELD NAME="completed_at" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Timestamp when sync completed successfully"/>
        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="userid_idx" UNIQUE="true" FIELDS="userid"/>
        <INDEX NAME="status_idx" UNIQUE="false" FIELDS="status"/>
      </INDEXES>
    </TABLE>
  </TABLES>
</XMLDB>
