student submission code added

newupdatedFile/Dockerfile

+FROM debian:bookworm
+
+# Install Apache, PHP, and other required extensions
+RUN apt-get update && apt-get install -y \
+    apache2 \
+    php \
+    php-cli \
+    php-gd \
+    php-mysql \
+    php-intl \
+    php-curl \
+    php-xml \
+    php-xmlrpc \
+    php-soap \
+    php-zip \
+    php-mbstring \
+    unzip \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# Add custom PHP settings for Moodle
+# We copy it to both the apache2 and cli config directories
+COPY moodle.ini /etc/php/8.2/apache2/conf.d/99-moodle.ini
+COPY moodle.ini /etc/php/8.2/cli/conf.d/99-moodle.ini
+
+# Download and unpack Moodle
+ARG MOODLE_VERSION=403
+RUN rm -rf /var/www/html
+RUN git clone --depth 1 --branch MOODLE_${MOODLE_VERSION}_STABLE https://github.com/moodle/moodle.git /var/www/html/
+
+# Create the moodledata directory
+RUN mkdir /var/www/moodledata && chown -R www-data:www-data /var/www/moodledata
+
+# Set correct permissions
+WORKDIR /var/www/html
+RUN chown -R www-data:www-data /var/www/html
+
+# Copy a startup script
+COPY --chown=root:root docker-entrypoint.sh /
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["apache2ctl", "-D", "FOREGROUND"]

newupdatedFile/docker-compose.yml

+version: '3.8'
+
+services:
+  db:
+    image: mariadb:10.6
+    container_name: moodle-db-official
+    command:
+      - --character-set-server=utf8mb4
+      - --collation-server=utf8mb4_unicode_ci
+    volumes:
+      - db_data:/var/lib/mysql
+    environment:
+      - MARIADB_ROOT_PASSWORD=verysecretpassword
+      - MARIADB_DATABASE=moodle
+      - MARIADB_USER=moodleuser
+      - MARIADB_PASSWORD=moodlepassword
+    restart: unless-stopped
+
+  web:
+    build: . # This tells it to use the Dockerfile in this directory
+    container_name: moodle-web-official
+    volumes:
+      # Mount our local plugin for easy installation
+      - ./dta.zip:/tmp/dta.zip
+      # Mount the moodledata directory as a named volume
+      - moodledata:/var/www/moodledata
+    ports:
+      - "8080:80"
+    depends_on:
+      - db
+    restart: unless-stopped
+
+  backend:
+    container_name: backend
+    image: hftstuttgart/cota-backend:latest
+    user: "${EUSER}:${EGID}"
+    ports: # Add this section
+      - "8081:8080"
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - '/tmp/dta-tests:/tmp/dta-tests'
+    restart: unless-stopped
+    # This service can be reached by the 'web' container at http://backend:[port]
+
+  cache:
+    container_name: cachedta
+    image: nginx:alpine
+    ports:
+      - '82:8080'
+    volumes:
+      - './conf:/etc/nginx/conf.d' # Nginx configs go here
+    depends_on:
+      - backend
+    restart: unless-stopped
+
+volumes:
+  db_data:
+  moodledata:

newupdatedFile/docker-entrypoint.sh

+#!/bin/bash
+set -e
+
+# Apache gets grumpy about PID files pre-existing
+rm -f /var/run/apache2/apache2.pid
+
+exec "$@"

newupdatedFile/full_output.log

+DEBUG: Data object being sent to add_moduleinfo():
+stdClass Object
+(
+    [course] => 4
+    [modulename] => assign
+    [name] => Fully Automated DTA Assignment
+    [intro] => This assignment was created by the final automation script.
+    [introformat] => 1
+    [section] => 1
+    [visible] => 1
+    [assignsubmission_dta_enabled] => 1
+    [assignsubmission_file_enabled] => 1
+    [dta] => 1
+    [tests_draft_dta] => 121728303
+    [assignsubmission_file_maxsizebytes] => 0
+    [cmidnumber] => 
+    [assignsubmission_file_maxfiles] => 20
+    [assignsubmission_onlinetext_enabled] => 0
+    [submissiondrafts] => 0
+    [requiresubmissionstatement] => 0
+    [requireallteammemberssubmit] => 0
+    [teamsubmission] => 0
+    [sendnotifications] => 1
+    [sendlatenotifications] => 0
+    [sendstudentnotifications] => 1
+    [grade] => 100
+    [blindmarking] => 0
+    [markingworkflow] => 0
+    [markingallocation] => 0
+    [attemptreopenmethod] => none
+    [allowsubmissionsfromdate] => 1753175949
+    [duedate] => 1753780749
+    [cutoffdate] => 0
+    [gradingduedate] => 0
+    [module] => 1
+    [timemodified] => 1753175949
+    [alwaysshowdescription] => 0
+    [completionsubmit] => 0
+)
+
+DEBUG: Returned object from add_moduleinfo():
+stdClass Object
+(
+    [course] => 4
+    [modulename] => assign
+    [name] => Fully Automated DTA Assignment
+    [intro] => This assignment was created by the final automation script.
+    [introformat] => 1
+    [section] => 1
+    [visible] => 1
+    [assignsubmission_dta_enabled] => 1
+    [assignsubmission_file_enabled] => 1
+    [dta] => 1
+    [tests_draft_dta] => 121728303
+    [assignsubmission_file_maxsizebytes] => 0
+    [cmidnumber] => 
+    [assignsubmission_file_maxfiles] => 20
+    [assignsubmission_onlinetext_enabled] => 0
+    [submissiondrafts] => 0
+    [requiresubmissionstatement] => 0
+    [requireallteammemberssubmit] => 0
+    [teamsubmission] => 0
+    [sendnotifications] => 1
+    [sendlatenotifications] => 0
+    [sendstudentnotifications] => 1
+    [grade] => 100
+    [blindmarking] => 0
+    [markingworkflow] => 0
+    [markingallocation] => 0
+    [attemptreopenmethod] => none
+    [allowsubmissionsfromdate] => 1753175949
+    [duedate] => 1753780749
+    [cutoffdate] => 0
+    [gradingduedate] => 0
+    [module] => 1
+    [timemodified] => 1753175949
+    [alwaysshowdescription] => 0
+    [completionsubmit] => 0
+    [instance] => 3
+    [coursemodule] => 6
+    [groupingid] => 0
+    [completion] => 0
+    [completionview] => 0
+    [completionexpected] => 0
+    [completionpassgrade] => 0
+    [completiongradeitemnumber] => 
+    [conditiongradegroup] => Array
+        (
+        )
+
+    [conditionfieldgroup] => Array
+        (
+        )
+
+    [visibleoncoursepage] => 1
+    [downloadcontent] => 1
+    [groupmode] => 0
+    [beforemod] => 
+    [gradingman] => grading_manager Object
+        (
+            [context:protected] => core\context\module Object
+                (
+                    [_id:protected] => 19
+                    [_contextlevel:protected] => 70
+                    [_instanceid:protected] => 6
+                    [_path:protected] => /1/3/18/19
+                    [_depth:protected] => 4
+                    [_locked:protected] => 0
+                )
+
+            [component:protected] => mod_assign
+            [area:protected] => 
+            [areacache:grading_manager:private] => 
+        )
+
+    [showgradingmanagement] => 
+)
+
+3

newupdatedFile/moodle.ini

+max_input_vars = 5000

newupdatedFile/nginx.conf

+worker_processes 5;
+worker_rlimit_nofile 8192;
+
+events {
+    worker_connections 4096;
+}
+
+http {
+    default_type application/octet-stream;
+    sendfile     on;
+    tcp_nopush   on;
+    server_names_hash_bucket_size 128;
+
+    proxy_cache_path /opt/cache levels=1:2 keys_zone=dta_cache:10m max_size=10g inactive=60m use_temp_path=off;
+
+    server {
+        listen 8080;
+
+        location /v1/task {
+            proxy_cache dta_cache;
+            proxy_cache_background_update on;
+            proxy_cache_lock on;
+            proxy_cache_key     "$scheme$request_uri";
+            proxy_cache_valid    200 302 1d;
+            proxy_cache_methods GET HEAD POST;
+
+            proxy_pass http://backendcomposedta:8080/v1/task;
+        }
+
+        location /v1/unittest {
+            proxy_pass http://backendcomposedta:8080/v1/unittest;
+        }
+    }
+}

newupdatedFile/student-dir.txt

+dta::https://transfer.hft-stuttgart.de/gitlab/cota/examples/cota-submission-calc-jdk.git::none::none::/

newupdatedFile/teacher-dta-dir-test-runner-jdk21.txt

+dta::https://transfer.hft-stuttgart.de/gitlab/cota/examples/cota-test-course-jdk.git::none::none::/topic02/exercise04::cota-runner-jdk21-junit5
\ No newline at end of file

newupdatedFile/test-moodle.sh

+#!/bin/bash
+set -e
+
+# ==============================================================================
+# DEFINITIVE Moodle CI/CD AUTOMATION SCRIPT V10 (ROBUST ERROR CHECKING)
+# ==============================================================================
+
+# --- Configuration (UPDATE THESE!) ---
+MOODLE_URL="http://localhost:8080"
+BACKEND_URL="http://localhost:8081"
+MOODLE_ADMIN_USER="user"
+MOODLE_ADMIN_PASS="QAYwsx@12345"
+# Automation User (Course creator)
+AUTOMATION_USER_NAME="maaeruser"
+AUTOMATION_USER_PASS="AutomationPassword123"
+# Student User (created by script)
+STUDENT_USER_NAME="tstudent"
+STUDENT_USER_PASS="StudentPassword123"
+DTA_CONFIG_FILE="teacher-dta-dir-test-runner-jdk21.txt"
+DTA_STUDENT_SUBMISSION_FILE="student-dir.txt"
+# --- Static Configuration ---
+MOODLE_CONTAINER="moodle-web-official"
+MOODLE_SYSTEM_USER="www-data"
+MOODLE_ROOT_IN_CONTAINER="/var/www/html"
+PLUGIN_ZIP_NAME="dta.zip"
+CUSTOM_SERVICE_NAME="dta_automation_service"
+DB_CONTAINER_NAME="moodle-db-official"
+DB_ROOT_PASSWORD="verysecretpassword"
+DB_NAME="moodle"
+
+# ==============================================================================
+# SCRIPT EXECUTION
+# ==============================================================================
+
+echo "🚀 Starting Definitive Moodle Automation Script..."
+
+# --- Pre-flight Checks & Plugin Install (Step 1) ---
+if ! docker ps --format '{{.Names}}' | grep -qw "$MOODLE_CONTAINER"; then echo "❌ Moodle container not running." && exit 1; fi
+if [ ! -f "$PLUGIN_ZIP_NAME" ]; then echo "❌ Plugin ZIP file not found." && exit 1; fi
+if [ ! -f "$DTA_CONFIG_FILE" ]; then echo "❌ DTA config file not found." && exit 1; fi
+echo "✅ Pre-flight checks passed."
+
+echo "📦 Step 1: Installing custom plugin..."
+# docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" bash -c "set -e; mkdir -p '$MOODLE_ROOT_IN_CONTAINER/mod/assign/submission'; unzip -o '/tmp/$PLUGIN_ZIP_NAME' -d '$MOODLE_ROOT_IN_CONTAINER/mod/assign/submission'; php '$MOODLE_ROOT_IN_CONTAINER/admin/cli/upgrade.php' --non-interactive; php '$MOODLE_ROOT_IN_CONTAINER/admin/cli/purge_caches.php'"
+echo "✅ Plugin installed."
+
+echo "  -> Enabling Web Service "
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/cfg.php" --name=enablemobilewebservice --set=1
+
+# --- Step 2: Create and Configure a Custom Web Service ---
+echo "  -> Clearing cURL security settings..."
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/cfg.php" --name=curlsecurityblockedhosts --set=""
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/cfg.php" --name=curlsecurityallowedport --set=""
+
+echo "  -> Enabling Web Service File Uploads (System-wide)..."
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/cfg.php" --name=webserviceuploaddisabled --set=0
+# --- THIS IS THE FINAL FIX ---
+# Enable username/password authentication for web service token generation
+echo "  -> Enabling password authentication for web services..."
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/cfg.php" --name=enablewsauthpassword --set=1
+
+# --- Step 4: Create Dedicated API Role and Automation User ---
+echo "🧑‍💻 Step 4: Creating dedicated API Role and Automation User..."
+# This is a more advanced version of the user creation script
+PHP_USER_SCRIPT_PATH="/tmp/create_api_user.php"
+LOCAL_PHP_USER_SCRIPT_PATH="/tmp/local_create_api_user.php"
+cat > "$LOCAL_PHP_USER_SCRIPT_PATH" <<EOF
+<?php
+define('CLI_SCRIPT', true);
+require('/var/www/html/config.php');
+require_once(\$CFG->libdir.'/clilib.php');
+require_once(\$CFG->dirroot.'/user/lib.php');
+global \$DB;
+
+\$username = \$argv[1]; \$password = \$argv[2];
+if (!\$DB->record_exists('user', ['username' => \$username])) {
+    \$user = new stdClass();
+    \$user->username = \$username; \$user->firstname = 'API'; \$user->lastname = 'User';
+    \$user->email = 'api.user@example.com'; \$user->confirmed = 1;
+    \$user->mnethostid = \$CFG->mnet_localhost_id; \$user->auth = 'manual';
+    \$userid = user_create_user(\$user, false, false);
+    \$user = \$DB->get_record('user', ['id' => \$userid]);
+    \update_internal_user_password(\$user, \$password);
+    echo "Created user '\$username' with ID: \$userid\n";
+
+    // Create a new role for API users if it doesn't exist
+    \$rolename = 'API User';
+    \$apicapability = 'moodle/webservice:createtoken';
+    \$restapicapability = 'webservice/rest:use';
+    \$coursecapability = 'moodle/course:create';
+    \$enrolcapability = 'enrol/manual:enrol';
+    if (!\$apirole = \$DB->get_record('role', ['shortname' => 'apiuser'])) {
+        \$apiroleid = create_role(\$rolename, 'apiuser', 'Role for API access');
+        \$apirole = \$DB->get_record('role', ['id' => \$apiroleid]);
+        echo "Created role '\$rolename' with ID: \$apiroleid\n";
+    }
+    // Ensure the capability is assigned to the role
+    \$context = \core\context\system::instance();
+    assign_capability(\$apicapability, CAP_ALLOW, \$apirole->id, \$context->id);
+    assign_capability(\$restapicapability, CAP_ALLOW, \$apirole->id, \$context->id);
+    assign_capability(\$coursecapability, CAP_ALLOW, \$apirole->id, \$context->id);
+    assign_capability(\$enrolcapability, CAP_ALLOW, \$apirole->id, \$context->id);
+    echo "Assigned capability '\$apicapability' to role '\$rolename'\n";
+
+    // Assign our automation user to this new role at the system level
+    role_assign(\$apirole->id, \$userid, \$context->id);
+// Get the IDs for the roles we need to assign
+\$managerroleid = \$DB->get_field('role', 'id', ['shortname' => 'manager']);
+\$coursecreatorroleid = \$DB->get_field('role', 'id', ['shortname' => 'coursecreator']);
+\$systemcontext = \core\context\system::instance();
+
+// Assign the 'Manager' and 'Course creator' roles to the new user at the system context
+role_assign(\$managerroleid, \$userid, \$systemcontext->id);
+role_assign(\$coursecreatorroleid, \$userid, \$systemcontext->id);
+    echo "Assigned user '\$username' to role '\$rolename'\n";
+} else {
+    \$userid = \$DB->get_field('user', 'id', ['username' => \$username]);
+    echo "User '\$username' already exists with ID: \$userid\n";
+}
+
+// Create Student User
+\$student_username = \$argv[3]; \$student_password = \$argv[4];
+if (!\$DB->record_exists('user', ['username' => \$student_username])) {
+    \$student = new stdClass(); \$student->username = \$student_username; \$student->firstname = 'Test'; \$student->lastname = 'Student';
+    \$student->email = 'student@example.com'; \$student->confirmed = 1; \$student->mnethostid = \$CFG->mnet_localhost_id; \$student->auth = 'manual';
+    \$studentid = user_create_user(\$student, false, false);
+    \$student = \$DB->get_record('user', ['id' => \$studentid]);
+    \update_internal_user_password(\$student, \$student_password);
+    echo "Created user '\$student_username' with ID: \$studentid\n";
+
+        // Create a new role for API users if it doesn't exist
+    \$rolename = 'API Student user';
+    \$apicapability = 'moodle/webservice:createtoken';
+    \$restapicapability = 'webservice/rest:use';
+    if (!\$apirole = \$DB->get_record('role', ['shortname' => 'apistudentuser'])) {
+        \$apiroleid = create_role(\$rolename, 'apistudentuser', 'Role for API access');
+        \$apirole = \$DB->get_record('role', ['id' => \$apiroleid]);
+        echo "Created role '\$rolename' with ID: \$apiroleid\n";
+    }
+    // Ensure the capability is assigned to the role
+    \$context = \core\context\system::instance();
+    assign_capability(\$apicapability, CAP_ALLOW, \$apirole->id, \$context->id);
+    assign_capability(\$restapicapability, CAP_ALLOW, \$apirole->id, \$context->id);
+    echo "Assigned capability '\$apicapability' to role '\$rolename'\n";
+
+    // Assign our automation user to this new role at the system level
+    role_assign(\$apirole->id, \$studentid, \$context->id);
+    echo "Assigned user '\$username' to role '\$rolename'\n";
+}
+EOF
+docker cp "$LOCAL_PHP_USER_SCRIPT_PATH" "$MOODLE_CONTAINER:$PHP_USER_SCRIPT_PATH"
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$PHP_USER_SCRIPT_PATH" "$AUTOMATION_USER_NAME" "$AUTOMATION_USER_PASS" "$STUDENT_USER_NAME" "$STUDENT_USER_PASS"
+docker exec "$MOODLE_CONTAINER" rm "$PHP_USER_SCRIPT_PATH"
+rm "$LOCAL_PHP_USER_SCRIPT_PATH"
+echo "✅ Automation and student users are configured."
+
+echo "⚙️ Step 2: Creating and configuring a dedicated web service..."
+docker exec -i "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" <<EOF
+-- Enable Web Services globally in Moodle's config
+INSERT INTO mdl_config (name, value) VALUES ('enablewebservices', '1') ON DUPLICATE KEY UPDATE value = '1';
+INSERT INTO mdl_config (name, value) VALUES ('webserviceprotocols', 'rest') ON DUPLICATE KEY UPDATE value = 'rest';
+
+
+# --- End of addition --
+-- Create our custom service, now with a requiredcapability set for robustness
+INSERT IGNORE INTO mdl_external_services (name, shortname, enabled, requiredcapability, restrictedusers, uploadfiles, downloadfiles)
+VALUES ('DTA Automation Service', '$CUSTOM_SERVICE_NAME', 1, '', 0, 1, 1); -- <-- The capability fix
+
+-- Get the ID of our custom service
+SET @serviceid = (SELECT id FROM mdl_external_services WHERE shortname = '$CUSTOM_SERVICE_NAME');
+
+-- Add the required functions to OUR service
+INSERT IGNORE INTO mdl_external_services_functions (externalserviceid, functionname) VALUES
+(@serviceid, 'core_user_create_users'),
+(@serviceid, 'core_course_create_courses'),
+(@serviceid, 'enrol_manual_enrol_users'),
+(@serviceid, 'core_files_upload'),
+(@serviceid, 'mod_assign_save_submission'),
+(@serviceid, 'mod_assign_get_submission_status'),
+(@serviceid, 'mod_assign_get_submissions'),
+(@serviceid, 'mod_assign_save_grade');
+
+# -- *** THIS IS THE CRITICAL FIX ***
+# -- Authorize the admin user to use this service.
+SET @automationuserid  = (SELECT id FROM mdl_user WHERE username = '$AUTOMATION_USER_NAME' AND deleted = 0 ORDER BY id ASC LIMIT 1);
+INSERT IGNORE INTO mdl_external_services_users (externalserviceid, userid, iprestriction, validuntil, timecreated)
+VALUES (@serviceid, @automationuserid , NULL, NULL, UNIX_TIMESTAMP());
+
+-- Also authorize the student user to use the service to get a token
+SET @studentid = (SELECT id FROM mdl_user WHERE username = '$STUDENT_USER_NAME');
+INSERT IGNORE INTO mdl_external_services_users (externalserviceid, userid) VALUES (@serviceid, @studentid);
+EOF
+echo "✅ Custom web service created and user authorized."
+echo "  -> Purging Moodle caches.."
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/purge_caches.php"
+sleep 15
+
+# --- Step 6: Assign System Roles via API (The Definitive Fix) ---
+echo "🛡️ Step 6: Assigning System Roles to Automation User..."
+# We use the main site admin's token for this one-time setup task, as it's guaranteed to have permissions.
+ADMIN_SETUP_TOKEN_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/login/token.php" --data-urlencode "username=$MOODLE_ADMIN_USER" --data-urlencode "password=$MOODLE_ADMIN_PASS" --data-urlencode "service=moodle_mobile_app")
+ADMIN_SETUP_TOKEN=$(echo "$ADMIN_SETUP_TOKEN_RESPONSE" | jq -r '.token')
+
+# Get IDs needed for role assignment
+AUTOMATION_USER_ID=$(docker exec "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" -se "SELECT id FROM mdl_user WHERE username='$AUTOMATION_USER_NAME';")
+MANAGER_ROLE_ID=$(docker exec "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" -se "SELECT id FROM mdl_role WHERE shortname='manager';")
+COURSE_CREATOR_ROLE_ID=$(docker exec "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" -se "SELECT id FROM mdl_role WHERE shortname='coursecreator';")
+SYSTEM_CONTEXT_ID=10 # The ID for the System context is always 1
+
+# Assign Manager and Course Creator roles to the automation user
+curl --fail -sS -L -X POST "$MOODLE_URL/webservice/rest/server.php" \
+  -d "wstoken=$ADMIN_SETUP_TOKEN" -d "wsfunction=core_role_assign_roles" -d "moodlewsrestformat=json" \
+  -d "assignments[0][roleid]=$MANAGER_ROLE_ID" -d "assignments[0][userid]=$AUTOMATION_USER_ID" -d "assignments[0][contextid]=$SYSTEM_CONTEXT_ID" \
+  -d "assignments[1][roleid]=$COURSE_CREATOR_ROLE_ID" -d "assignments[1][userid]=$AUTOMATION_USER_ID" -d "assignments[1][contextid]=$SYSTEM_CONTEXT_ID" > /dev/null
+echo "✅ Assigned System Roles to Automation User."
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/purge_caches.php"
+sleep 15
+
+# --- THIS IS THE CRITICAL FIX ---
+echo "  -> Purging Moodle caches to apply service changes..."
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/purge_caches.php"
+echo "✅ Caches purged."
+sleep 5
+
+
+echo "🔐 Step 3: Obtaining API Token...$AUTOMATION_USER_NAME..$AUTOMATION_USER_PASS"
+TOKEN_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/login/token.php" \
+  --data-urlencode "username=$AUTOMATION_USER_NAME" \
+  --data-urlencode "password=$AUTOMATION_USER_PASS" \
+  --data-urlencode "service=$CUSTOM_SERVICE_NAME")
+
+# Check for a Moodle error in the response FIRST
+if echo "$TOKEN_RESPONSE" | jq -e 'if type=="object" and .error then true else false end' > /dev/null; then
+    echo "❌ Moodle API returned an error when requesting a token:"
+    echo "$TOKEN_RESPONSE" | jq .
+    exit 1
+fi
+
+TOKEN=$(echo "$TOKEN_RESPONSE" | jq -r '.token')
+echo "✅ Successfully obtained API token. $TOKEN"
+
+
+# --- Step 4: Create a Course ---
+echo "📚 Step 4: Creating a new course..."
+COURSE_SHORTNAME="DTA-Course-$(date +%s)"
+COURSE_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/webservice/rest/server.php" \
+  -d "wstoken=$TOKEN" -d "wsfunction=core_course_create_courses" -d "moodlewsrestformat=json" \
+  -d "courses[0][fullname]=DTA Test Course" -d "courses[0][shortname]=$COURSE_SHORTNAME" -d "courses[0][categoryid]=1")
+
+# --- THIS IS THE ROBUST ERROR CHECK ---
+# First, check if the response is a Moodle exception object.
+# The `jq -e` command sets an exit code, which works perfectly with `if`.
+if echo "$COURSE_RESPONSE" | jq -e 'if type=="object" and .exception then true else false end' > /dev/null; then
+    echo "❌ Moodle API returned an exception during course creation:"
+    echo "$COURSE_RESPONSE" | jq . # Pretty-print the JSON error
+    exit 1
+fi
+
+# If not an exception, try to parse the ID. This handles both single-object and array responses.
+NEW_COURSE_ID=$(echo "$COURSE_RESPONSE" | jq -r 'if type=="array" then .[0].id else .id end')
+
+if [ -z "$NEW_COURSE_ID" ] || [ "$NEW_COURSE_ID" == "null" ]; then
+    echo "❌ Failed to parse a valid Course ID from the API response."
+    echo "Full API Response:"
+    echo "$COURSE_RESPONSE" | jq .
+    exit 1
+fi
+echo "✅ Successfully created course '$COURSE_SHORTNAME' with ID: $NEW_COURSE_ID"
+# --- END OF ROBUST ERROR CHECK ---
+
+# --- Step 5: Enroll Admin User into the New Course ---
+echo "🧑‍🏫 Step 5: Enrolling you as a teacher in the new course..."
+# First, get the User ID for your admin user
+AUTOMATION_USER_ID=$(docker exec "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" -se "SELECT id FROM mdl_user WHERE username='$AUTOMATION_USER_NAME';")
+# The roleid for a Teacher is typically 3 (editingteacher) or 4 (teacher). We'll use 3.
+TEACHER_ROLE_ID=3
+
+# Add the enrol_manual_enrol_users function to our service
+docker exec -i "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" -e "INSERT IGNORE INTO mdl_external_services_functions (externalserviceid, functionname) VALUES ((SELECT id FROM mdl_external_services WHERE shortname = '$CUSTOM_SERVICE_NAME'), 'enrol_manual_enrol_users');"
+# Purge cache to recognize the new function
+docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$MOODLE_ROOT_IN_CONTAINER/admin/cli/purge_caches.php" > /dev/null
+
+ENROL_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/webservice/rest/server.php" \
+  -d "wstoken=$TOKEN" -d "wsfunction=enrol_manual_enrol_users" -d "moodlewsrestformat=json" \
+  -d "enrolments[0][roleid]=$TEACHER_ROLE_ID" \
+  -d "enrolments[0][userid]=$AUTOMATION_USER_ID" \
+  -d "enrolments[0][courseid]=$NEW_COURSE_ID")
+
+# A successful response is null, so we check for an exception instead.
+if echo "$ENROL_RESPONSE" | jq -e 'if type=="object" and .exception then true else false end' > /dev/null; then
+    echo "❌ Moodle API returned an exception during user enrollment:"
+    echo "$ENROL_RESPONSE" | jq .
+    exit 1
+fi
+echo "✅ Successfully enrolled you in the course."
+
+# --- Step 5: Upload Configuration File for DTA Plugin ---
+echo "📤 Step 5: Uploading config file for DTA plugin..."
+FILE_UPLOAD_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/webservice/upload.php" \
+  -F "token=$TOKEN" -F "filearea=draft" -F "itemid=0" -F "file=@$DTA_CONFIG_FILE")
+DTA_FILE_ITEMID=$(echo "$FILE_UPLOAD_RESPONSE" | jq -r 'if type=="array" then .[0].itemid else .itemid end')
+
+if [ -z "$DTA_FILE_ITEMID" ] || [ "$DTA_FILE_ITEMID" == "null" ]; then
+    echo "❌ Failed to upload DTA config file. Response:"
+    echo "$FILE_UPLOAD_RESPONSE" | jq .
+    exit 1
+fi
+echo "✅ DTA config file uploaded. Received Item ID: $DTA_FILE_ITEMID"
+
+# --- Step 6: Create Assignment via Custom PHP Script ---
+echo "📝 Step 6: Creating assignment with detailed error logging..."
+PHP_ASSIGN_SCRIPT_PATH="/tmp/create_assignment.php"
+LOCAL_PHP_ASSIGN_SCRIPT_PATH="/tmp/local_create_assignment.php"
+
+# --- This PHP script now has a try/catch block for detailed errors ---
+cat > "$LOCAL_PHP_ASSIGN_SCRIPT_PATH" <<EOF
+<?php
+define('CLI_SCRIPT', true);
+require('/var/www/html/config.php');
+require_once(\$CFG->dirroot.'/course/modlib.php');
+global \$DB, \$USER;
+
+// programmatically "log in" as the admin user
+// This gives file_save_draft_area_files the user context it needs.
+\$adminusername = "$AUTOMATION_USER_NAME";
+\$adminuser = \$DB->get_record('user', ['username' => \$adminusername, 'deleted' => 0], '*', MUST_EXIST);
+\core\session\manager::set_user(\$adminuser);
+// The global $USER object is now populated.
+
+if (count(\$argv) < 3) { exit("Error: Course ID and DTA Item ID are required.\n"); }
+\$courseid = (int)\$argv[1];
+\$dta_itemid = (int)\$argv[2];
+
+\$course = \$DB->get_record('course', ['id' => \$courseid], '*', MUST_EXIST);
+
+\$data = new stdClass();
+
+// --- Core Module Details ---
+\$data->course = \$courseid;
+\$data->modulename = 'assign';
+\$data->name = 'Fully Automated DTA Assignment';
+\$data->intro = 'This assignment was created by the final automation script.';
+\$data->introformat = FORMAT_HTML;
+\$data->section = 1;
+\$data->visible = 1;
+
+// --- Submission Settings ---
+\$data->assignsubmission_dta_enabled = 1;
+\$data->assignsubmission_file_enabled = 1;
+
+// --- THIS IS FIX #1: Correct property name for the DTA file manager ---
+// This assumes the form element for your file manager is named 'package_filemanager'
+// The final property name becomes assignsubmission_dta_package_filemanager
+\$data->dta = 1; // Explicitly enable the dta group of settings
+\$data->tests_draft_dta = \$dta_itemid;
+\$data->assignsubmission_file_maxsizebytes = 0;
+\$data->cmidnumber = '';
+\$data->assignsubmission_file_maxfiles = 20;
+
+\$data->assignsubmission_onlinetext_enabled = 0;
+\$data->submissiondrafts = 0; // Final submissions cannot be edited
+\$data->requiresubmissionstatement = 0; // The direct fix for the error
+\$data->requireallteammemberssubmit = 0;
+\$data->teamsubmission = 0;
+
+// --- Notification Settings ---
+\$data->sendnotifications = 1;
+\$data->sendlatenotifications = 0;
+\$data->sendstudentnotifications = 1;
+
+// --- Grading Settings ---
+\$data->grade = 100; // Max grade
+\$data->blindmarking = 0;
+\$data->markingworkflow = 0;
+\$data->markingallocation = 0;
+\$data->attemptreopenmethod = 'none';
+
+// --- Date Settings ---
+\$data->allowsubmissionsfromdate = time();
+\$data->duedate = time() + (7 * 24 * 60 * 60); // Due in 7 days
+\$data->cutoffdate = 0; // No hard cutoff
+\$data->gradingduedate = 0;
+
+// --- Moodle Magic - these fields are necessary but we don't need to change them ---
+\$data->module = \$DB->get_field('modules', 'id', ['name' => 'assign'], MUST_EXIST);
+\$data->timemodified = time();
+\$data->alwaysshowdescription = 0;
+\$data->completionsubmit = 0;
+
+// --- DEBUG: Print the exact data object we are sending ---
+fwrite(STDERR, "DEBUG: Data object being sent to add_moduleinfo():\n");
+fwrite(STDERR, print_r(\$data, true) . "\n");
+
+try {
+    // Attempt to create the assignment
+    \$cm = add_moduleinfo(\$data, \$course);
+    fwrite(STDERR, "DEBUG: Returned object from add_moduleinfo():\n");
+    fwrite(STDERR, print_r(\$cm, true) . "\n");
+    if (!\$cm || !is_object(\$cm) || !\$cm->coursemodule) {
+        fwrite(STDERR, "Error: add_moduleinfo() returned invalid object\n");
+        exit(1);
+    }
+    // Some versions: id = course module id, instance = assignment id
+    \$assignmentid = property_exists(\$cm, 'instance') ? \$cm->instance : null;
+    \$coursemoduleid = property_exists(\$cm, 'coursemodule') ? \$cm->coursemodule : null;
+
+    if (!\$assignmentid) {
+        fwrite(STDERR, "Error: Could not extract assignment ID\n");
+        exit(1);
+    }
+
+    rebuild_course_cache(\$course->id, true);
+
+    // ✅ Echo only the assignment ID (for Bash)
+    echo \$assignmentid . "\n";
+
+} catch (Exception \$e) {
+    // If anything goes wrong, catch the exception and print all details
+    echo "\n!!!!!! SCRIPT FAILED: An Exception was caught! !!!!!!\n\n";
+    echo "Error Type:    " . get_class(\$e) . "\n";
+    echo "Error Message: " . \$e->getMessage() . "\n\n";
+
+    // Moodle's database exceptions often have extra useful debug info
+    if (!empty(\$e->debuginfo)) {
+         echo "Moodle Debug Info:\n" . \$e->debuginfo . "\n\n";
+    }
+
+    echo "Stack Trace:\n" . \$e->getTraceAsString() . "\n";
+    exit(1); // Exit with an error code
+}
+EOF
+
+docker cp "$LOCAL_PHP_ASSIGN_SCRIPT_PATH" "$MOODLE_CONTAINER:$PHP_ASSIGN_SCRIPT_PATH"
+NEW_ASSIGNMENT_ID=$(docker exec -u "$MOODLE_SYSTEM_USER" "$MOODLE_CONTAINER" php "$PHP_ASSIGN_SCRIPT_PATH" "$NEW_COURSE_ID" "$DTA_FILE_ITEMID" 2>&1 | tee full_output.log | tail -n1)
+docker exec "$MOODLE_CONTAINER" rm "$PHP_ASSIGN_SCRIPT_PATH"
+rm "$LOCAL_PHP_ASSIGN_SCRIPT_PATH"
+echo "  -> Created assignment with ID: $NEW_ASSIGNMENT_ID"
+echo "✅ Test scenario created."
+
+# --- Step 8: Student Submission Workflow ---
+echo "🧑‍🎓 Step 8: Beginning student submission workflow..."
+STUDENT_USER_ID=$(docker exec "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" -se "SELECT id FROM mdl_user WHERE username='$STUDENT_USER_NAME';")
+# Role 5 is the standard 'Student' role
+STUDENT_ROLE_ID=5
+STUDENT_ENROL_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/webservice/rest/server.php" \
+  -d "wstoken=$TOKEN" -d "wsfunction=enrol_manual_enrol_users" -d "moodlewsrestformat=json" \
+  -d "enrolments[0][roleid]=$STUDENT_ROLE_ID" \
+  -d "enrolments[0][userid]=$STUDENT_USER_ID" \
+  -d "enrolments[0][courseid]=$NEW_COURSE_ID")
+echo "  -> Enrolled student in course."
+
+echo "  -> Getting token for student..."
+STUDENT_TOKEN_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/login/token.php" \
+  --data-urlencode "username=$STUDENT_USER_NAME" --data-urlencode "password=$STUDENT_USER_PASS" --data-urlencode "service=$CUSTOM_SERVICE_NAME")
+STUDENT_TOKEN=$(echo "$STUDENT_TOKEN_RESPONSE" | jq -r '.token')
+if [ -z "$STUDENT_TOKEN" ] || [ "$STUDENT_TOKEN" == "null" ]; then echo "❌ Failed to get API token for student. Response: $STUDENT_TOKEN_RESPONSE" && exit 1; fi
+echo "  -> Successfully obtained token for student. $STUDENT_TOKEN"
+
+echo "  -> Uploading student submission file..."
+STUDENT_FILE_UPLOAD_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/webservice/upload.php" -F "token=$STUDENT_TOKEN" -F "filearea=draft" -F "itemid=0" -F "file=@$DTA_STUDENT_SUBMISSION_FILE")
+STUDENT_FILE_ITEMID=$(echo "$STUDENT_FILE_UPLOAD_RESPONSE" | jq -r 'if type=="array" then .[0].itemid else .itemid end')
+echo "  -> Student file uploaded. Item ID: $STUDENT_FILE_ITEMID"
+echo "  -> Saving final submission..."
+
+# ==============================================================================
+# CORRECTED SUBMISSION STEP (V12 - USER SPECIFIED)
+# ==============================================================================
+# We call the external backend directly and pass the student's wstoken as a form
+# field, as required by this specific custom plugin's workflow.
+
+echo "  -> Sending student file directly to the DTA Backend for testing..."
+BACKEND_RESPONSE=$(curl --fail -sS -L -X POST "$BACKEND_URL/v1/task/$SUBMISSION_ID" \
+  --form "taskFile=@\"$DTA_STUDENT_SUBMISSION_FILE\"" \
+  --form "assignmentId=\"$NEW_ASSIGNMENT_ID\"" \
+  --form "wstoken=\"$STUDENT_TOKEN\"")
+
+# Check if the backend returned a valid JSON test report
+if ! echo "$BACKEND_RESPONSE" | jq -e '.results' > /dev/null; then
+    echo "❌ The DTA backend did not return a valid test report. Response:"
+    echo "$BACKEND_RESPONSE"
+    exit 1
+fi
+echo "✅ File successfully sent to backend for grading."
+echo "  -> Backend Test Report Summary:"
+echo "$BACKEND_RESPONSE" | jq '.results[] | .name + ": " + .failureType'
+
+# --- Step 9: Verify Grade and Feedback in Moodle Database ---
+echo "🧐 Step 9: Verifying grade and feedback has been posted back to Moodle..."
+echo "  -> Waiting 15 seconds for DTA backend to make the callback..."
+sleep 15
+
+# Query the database directly to see if the summary record was created by the backend
+SUMMARY_COUNT=$(docker exec "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" -se "SELECT COUNT(*) FROM mdl_assignsubmission_dta_summary WHERE submission_id = '$SUBMISSION_ID';")
+
+if [ "$SUMMARY_COUNT" -eq 0 ]; then
+    echo "❌ ERROR: No feedback summary found in the database for submission ID $SUBMISSION_ID."
+    echo "The backend callback likely failed. Check the backend logs:"
+    docker logs backend
+    exit 1
+fi
+
+echo "--- FINAL MOODLE DATABASE STATUS ---"
+echo "✅ Found DTA summary record in the database."
+echo "Detailed Test Results from mdl_assignsubmission_dta_result:"
+docker exec "$DB_CONTAINER_NAME" mysql -u root -p"$DB_ROOT_PASSWORD" "$DB_NAME" -e "SELECT name, state, failure_type, failure_reason FROM mdl_assignsubmission_dta_result WHERE submission_id = '$SUBMISSION_ID';"
+
+# Final check on the core Moodle grading status
+STATUS_RESPONSE=$(curl --fail -sS -L -X POST "$MOODLE_URL/webservice/rest/server.php" \
+  -d "wstoken=$TOKEN" \
+  -d "wsfunction=mod_assign_get_submission_status" \
+  -d "moodlewsrestformat=json" \
+  -d "assignid=$NEW_ASSIGNMENT_ID" \
+  -d "userid=$STUDENT_USER_ID")
+GRADE_STATUS=$(echo "$STATUS_RESPONSE" | jq -r '.lastattempt.gradingstatus')
+
+if [ "$GRADE_STATUS" == "graded" ]; then
+    echo "🎉 SUCCESS! The submission is marked as 'graded' in the Moodle GUI."
+else
+    echo "⚠️ WARNING: The submission status is '$GRADE_STATUS', not 'graded'. The backend wrote to its custom tables but may have failed to update the core gradebook."
+    exit 1
+fi
+
+
+echo "🎉🎉 Moodle automation complete. The environment is fully configured. 🎉🎉"