From fa12d5dcc1d3a7987726cac3d3821112094fd477 Mon Sep 17 00:00:00 2001
From: Mihail Geshoski <mihail@moodle.com>
Date: Thu, 30 Apr 2020 14:44:48 +0800
Subject: [PATCH] MDL-67812 repository_contentbank: Create content bank files
 repository

---
 .../classes/browser/contentbank_browser.php   | 167 ++++++++++++++++++
 .../contentbank_browser_context_course.php    |  68 +++++++
 .../contentbank_browser_context_coursecat.php |  84 +++++++++
 .../contentbank_browser_context_system.php    |  68 +++++++
 repository/contentbank/classes/helper.php     | 133 ++++++++++++++
 .../contentbank/classes/privacy/provider.php  |  44 +++++
 repository/contentbank/db/access.php          |  62 +++++++
 repository/contentbank/db/install.php         |  41 +++++
 .../lang/en/repository_contentbank.php        |  34 ++++
 repository/contentbank/lib.php                | 147 +++++++++++++++
 repository/contentbank/pix/icon.png           | Bin 0 -> 7382 bytes
 repository/contentbank/pix/icon.svg           |  17 ++
 .../contentbank/tests/generator/lib.php       |  35 ++++
 repository/contentbank/version.php            |  30 ++++
 14 files changed, 930 insertions(+)
 create mode 100644 repository/contentbank/classes/browser/contentbank_browser.php
 create mode 100644 repository/contentbank/classes/browser/contentbank_browser_context_course.php
 create mode 100644 repository/contentbank/classes/browser/contentbank_browser_context_coursecat.php
 create mode 100644 repository/contentbank/classes/browser/contentbank_browser_context_system.php
 create mode 100644 repository/contentbank/classes/helper.php
 create mode 100644 repository/contentbank/classes/privacy/provider.php
 create mode 100644 repository/contentbank/db/access.php
 create mode 100644 repository/contentbank/db/install.php
 create mode 100644 repository/contentbank/lang/en/repository_contentbank.php
 create mode 100644 repository/contentbank/lib.php
 create mode 100644 repository/contentbank/pix/icon.png
 create mode 100644 repository/contentbank/pix/icon.svg
 create mode 100644 repository/contentbank/tests/generator/lib.php
 create mode 100644 repository/contentbank/version.php

diff --git a/repository/contentbank/classes/browser/contentbank_browser.php b/repository/contentbank/classes/browser/contentbank_browser.php
new file mode 100644
index 00000000000..c8bb979328d
--- /dev/null
+++ b/repository/contentbank/classes/browser/contentbank_browser.php
@@ -0,0 +1,167 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Utility class for browsing of content bank files.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace repository_contentbank\browser;
+
+/**
+ * Base class for the content bank browsers.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+abstract class contentbank_browser {
+
+    /** @var \context The current context. */
+    protected $context;
+
+    /**
+     * Get all content nodes in the current context which can be viewed/accessed by the user.
+     *
+     * @return array[] The array containing all nodes which can be viewed/accessed by the user in the current context
+     */
+    public function get_content(): array {
+        return array_merge($this->get_context_folders(), $this->get_contentbank_content());
+    }
+
+    /**
+     * Generate the full navigation to the current node.
+     *
+     * @return array[] The array containing the path to each node in the navigation.
+     *                 Each navigation node is an array with keys: name, path.
+     */
+    public function get_navigation(): array {
+        // Get the current navigation node.
+        $currentnavigationnode = \repository_contentbank\helper::create_navigation_node($this->context);
+        $navigationnodes = [$currentnavigationnode];
+        // Get the parent content bank browser.
+        $parent = $this->get_parent();
+        // Prepend parent navigation node in the navigation nodes array until there is no existing parent.
+        while ($parent !== null) {
+            $parentnavigationnode = \repository_contentbank\helper::create_navigation_node($parent->context);
+            array_unshift($navigationnodes, $parentnavigationnode);
+            $parent = $parent->get_parent();
+        }
+        return $navigationnodes;
+    }
+
+    /**
+     * The required condition to enable the user to view/access the content bank content in this context.
+     *
+     * @return bool Whether the user can view/access the content bank content in the context
+     */
+    abstract public function can_access_content(): bool;
+
+    /**
+     * Define the allowed child context levels.
+     *
+     * @return int[] The array containing the relevant child context levels
+     */
+    abstract protected function allowed_child_context_levels(): array;
+
+    /**
+     * Get the relevant child contexts.
+     *
+     * @return \context[] The array containing the relevant, next-level children contexts
+     */
+    protected function get_child_contexts(): array {
+        global $DB;
+
+        if (empty($allowedcontextlevels = $this->allowed_child_context_levels())) {
+            // Early return if there aren't any defined child context levels.
+            return [];
+        }
+
+        list($contextlevelsql, $params) = $DB->get_in_or_equal($allowedcontextlevels, SQL_PARAMS_NAMED);
+        $pathsql = $DB->sql_like('path', ':path', false, false);
+
+        $select = "contextlevel {$contextlevelsql}
+                   AND {$pathsql}
+                   AND depth = :depth";
+
+        $params['path'] = "{$this->context->path}/%";
+        $params['depth'] = $this->context->depth + 1;
+
+        $childcontexts = $DB->get_records_select('context', $select, $params);
+
+        return array_map(function($childcontext) {
+            return \context::instance_by_id($childcontext->id);
+        }, $childcontexts);
+    }
+
+    /**
+     * Get the content bank browser class of the parent context. Currently used to generate the navigation path.
+     *
+     * @return contentbank_browser|null The content bank browser of the parent context
+     */
+    private function get_parent(): ?self {
+        if ($parentcontext = $this->context->get_parent_context()) {
+            return \repository_contentbank\helper::get_contentbank_browser($parentcontext);
+        }
+        return null;
+    }
+
+    /**
+     * Generate folder nodes for the relevant child contexts which can be accessed/viewed by the user.
+     *
+     * @return array[] The array containing the context folder nodes where each folder node is an array with keys:
+     *                 title, datemodified, datecreated, path, thumbnail, children.
+     */
+    private function get_context_folders(): array {
+        // Get all relevant child contexts.
+        $children = $this->get_child_contexts();
+        // Return all child context folder nodes which can be accessed by the user following the defined conditions
+        // in can_access_content().
+        return array_reduce($children, function ($list, $child) {
+            $browser = \repository_contentbank\helper::get_contentbank_browser($child);
+            if ($browser->can_access_content()) {
+                $name = $child->get_context_name(false);
+                $path = base64_encode(json_encode(['contextid' => $child->id]));
+                $list[] = \repository_contentbank\helper::create_context_folder_node($name, $path);
+            }
+            return $list;
+        }, []);
+    }
+
+    /**
+     * Generate nodes for the content bank content in the current context which can be accessed/viewed by the user.
+     *
+     * @return array[] The array containing the content nodes where each content node is an array with keys:
+     *                 shorttitle, title, datemodified, datecreated, author, license, isref, source, icon, thumbnail.
+     */
+    private function get_contentbank_content(): array {
+        $cb = new \core_contentbank\contentbank();
+        // Get all content bank files in the current context.
+        $contents = $cb->search_contents(null, $this->context->id);
+        // Return all content bank content nodes from the current context which can be accessed by the user following
+        // the defined conditions in can_access_content().
+        return array_reduce($contents, function($list, $content) {
+            if ($this->can_access_content() &&
+                    $contentnode = \repository_contentbank\helper::create_contentbank_content_node($content)) {
+                $list[] = $contentnode;
+            }
+            return $list;
+        }, []);
+    }
+}
diff --git a/repository/contentbank/classes/browser/contentbank_browser_context_course.php b/repository/contentbank/classes/browser/contentbank_browser_context_course.php
new file mode 100644
index 00000000000..a6e9cc2fa5f
--- /dev/null
+++ b/repository/contentbank/classes/browser/contentbank_browser_context_course.php
@@ -0,0 +1,68 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Utility class for browsing of content bank files in the course context.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace repository_contentbank\browser;
+
+/**
+ * Represents the content bank browser in the course context.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class contentbank_browser_context_course extends contentbank_browser {
+
+    /**
+     * Constructor.
+     *
+     * @param \context_course $context The current context
+     */
+    public function __construct(\context_course $context) {
+        $this->context = $context;
+    }
+
+    /**
+     * Define the allowed child context levels.
+     *
+     * @return int[] The array containing the relevant child context levels
+     */
+    protected function allowed_child_context_levels(): array {
+        // The course context is the last relevant context level, therefore child context levels are not being returned.
+        return [];
+    }
+
+    /**
+     * The required condition to enable the user to view/access the content bank content in this context.
+     *
+     * @return bool Whether the user can view/access the content bank content in the context
+     */
+    public function can_access_content(): bool {
+        // When the following conditions are met, the user would be able to share the content created in the course
+        // context level all over the site.
+        // The content from the course context level should be available to:
+        // * Every user which has capability to access the content of a given course.
+
+        return has_capability('repository/contentbank:accesscoursecontent', $this->context);
+    }
+}
diff --git a/repository/contentbank/classes/browser/contentbank_browser_context_coursecat.php b/repository/contentbank/classes/browser/contentbank_browser_context_coursecat.php
new file mode 100644
index 00000000000..267e3b8566b
--- /dev/null
+++ b/repository/contentbank/classes/browser/contentbank_browser_context_coursecat.php
@@ -0,0 +1,84 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Utility class for browsing of content bank files in the course category context.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace repository_contentbank\browser;
+
+/**
+ * Represents the content bank browser in the course category context.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class contentbank_browser_context_coursecat extends contentbank_browser {
+
+    /**
+     * Constructor.
+     *
+     * @param \context_coursecat $context The current context
+     */
+    public function __construct(\context_coursecat $context) {
+        $this->context = $context;
+    }
+
+    /**
+     * Define the allowed child context levels.
+     *
+     * @return int[] The array containing the relevant child context levels
+     */
+    protected function allowed_child_context_levels(): array {
+        // The expected child contexts in the course category context level are the course category context
+        // (ex. subcategories) and the course context.
+        return [\CONTEXT_COURSECAT, \CONTEXT_COURSE];
+    }
+
+    /**
+     * The required condition to enable the user to view/access the content bank content in this context.
+     *
+     * @return bool Whether the user can view/access the content bank content in the context
+     */
+    public function can_access_content(): bool {
+        // When the following conditions are met, the user would be able to share the content created in the course
+        // category context level all over the site.
+        // The content from the course category context level should be available to either:
+        // * Every user which has a capability to access the 'general' content and has capability to access the
+        // content of any child course of the given course category.
+        // * Users that have capability to access content at a course category context level.
+
+        if (has_capability('repository/contentbank:accesscoursecategorycontent', $this->context)) {
+            return true;
+        }
+
+        $canaccesschildcontent = false;
+        foreach ($this->get_child_contexts() as $childcontext) {
+            $browser = \repository_contentbank\helper::get_contentbank_browser($childcontext);
+            if ($canaccesschildcontent = $browser->can_access_content()) {
+                break;
+            }
+        }
+
+        return $canaccesschildcontent && has_capability('repository/contentbank:accessgeneralcontent',
+            $this->context);
+    }
+}
diff --git a/repository/contentbank/classes/browser/contentbank_browser_context_system.php b/repository/contentbank/classes/browser/contentbank_browser_context_system.php
new file mode 100644
index 00000000000..6d861af1360
--- /dev/null
+++ b/repository/contentbank/classes/browser/contentbank_browser_context_system.php
@@ -0,0 +1,68 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Utility class for browsing of content bank files in the system context.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace repository_contentbank\browser;
+
+/**
+ * Represents the content bank browser in the system context.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class contentbank_browser_context_system extends contentbank_browser {
+
+    /**
+     * Constructor.
+     *
+     * @param \context_system $context The current context
+     */
+    public function __construct(\context_system $context) {
+        $this->context = $context;
+    }
+
+    /**
+     * Define the allowed child context levels.
+     *
+     * @return int[] The array containing the relevant child context levels
+     */
+    protected function allowed_child_context_levels(): array {
+        // The expected child context in the system context level is the course category context.
+        return [\CONTEXT_COURSECAT];
+    }
+
+    /**
+     * The required condition to enable the user to view/access the content bank content in this context.
+     *
+     * @return bool Whether the user can view/access the content bank content in the context
+     */
+    public function can_access_content(): bool {
+        // When the following conditions are met, the user would be able to share the content created in the system
+        // context level all over the site.
+        // The content from the system context level should be available to:
+        // * Every user that has a capability to access the 'general' content.
+
+        return has_capability('repository/contentbank:accessgeneralcontent', $this->context);
+    }
+}
diff --git a/repository/contentbank/classes/helper.php b/repository/contentbank/classes/helper.php
new file mode 100644
index 00000000000..2df172de330
--- /dev/null
+++ b/repository/contentbank/classes/helper.php
@@ -0,0 +1,133 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Content bank files repository helpers.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace repository_contentbank;
+
+use repository_contentbank\browser\contentbank_browser;
+
+/**
+ * Helper class for content bank files repository.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class helper {
+
+    /**
+     * Get the content bank repository browser for a certain context.
+     *
+     * @param \context $context The context
+     * @return \repository_contentbank\browser\contentbank_browser|null The content bank repository browser
+     */
+    public static function get_contentbank_browser(\context $context): ?contentbank_browser {
+        switch ($context->contextlevel) {
+            case CONTEXT_SYSTEM:
+                return new \repository_contentbank\browser\contentbank_browser_context_system($context);
+            case CONTEXT_COURSECAT:
+                return new \repository_contentbank\browser\contentbank_browser_context_coursecat($context);
+            case CONTEXT_COURSE:
+                return new \repository_contentbank\browser\contentbank_browser_context_course($context);
+        }
+        return null;
+    }
+
+    /**
+     * Create the context folder node.
+     *
+     * @param string $name The name of the context folder node
+     * @param string $path The path to the context folder node
+     * @return array The context folder node
+     */
+    public static function create_context_folder_node(string $name, string $path): array {
+        global $OUTPUT;
+
+        return [
+            'title' => $name,
+            'datemodified' => '',
+            'datecreated' => '',
+            'path' => $path,
+            'thumbnail' => $OUTPUT->image_url(file_folder_icon(90))->out(false),
+            'children' => []
+        ];
+    }
+
+    /**
+     * Create the content bank content node.
+     *
+     * @param \core_contentbank\content $content The content bank content
+     * @return array|null The content bank content node
+     */
+    public static function create_contentbank_content_node(\core_contentbank\content $content): ?array {
+        global $OUTPUT;
+        // Only content files are currently supported, but should be able to create content folder nodes in the future.
+        // Early return if the content is not a stored file.
+        if (!$file = $content->get_file()) {
+            return null;
+        }
+
+        $params = [
+            'contextid' => $file->get_contextid(),
+            'component' => $file->get_component(),
+            'filearea'  => $file->get_filearea(),
+            'itemid'    => $file->get_itemid(),
+            'filepath'  => $file->get_filepath(),
+            'filename'  => $file->get_filename()
+        ];
+
+        $encodedpath = base64_encode(json_encode($params));
+
+        $node = [
+            'shorttitle' => $content->get_name(),
+            'title' => $file->get_filename(),
+            'datemodified' => $file->get_timemodified(),
+            'datecreated' => $file->get_timecreated(),
+            'author' => $file->get_author(),
+            'license' => $file->get_license(),
+            'isref' => $file->is_external_file(),
+            'source' => $encodedpath,
+            'icon' => $OUTPUT->image_url(file_file_icon($file, 24))->out(false),
+            'thumbnail' => $OUTPUT->image_url(file_file_icon($file, 90))->out(false)
+        ];
+
+        if ($file->get_status() == 666) {
+            $node['originalmissing'] = true;
+        }
+
+        return $node;
+    }
+
+    /**
+     * Generate a navigation node.
+     *
+     * @param \context $context The context
+     * @return array The navigation node
+     */
+    public static function create_navigation_node(\context $context): array {
+        return [
+            'path' => base64_encode(json_encode(['contextid' => $context->id])),
+            'name' => $context->get_context_name(false)
+        ];
+    }
+}
\ No newline at end of file
diff --git a/repository/contentbank/classes/privacy/provider.php b/repository/contentbank/classes/privacy/provider.php
new file mode 100644
index 00000000000..ae13ce47680
--- /dev/null
+++ b/repository/contentbank/classes/privacy/provider.php
@@ -0,0 +1,44 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Privacy Subsystem implementation for repository_contentbank.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace repository_contentbank\privacy;
+
+/**
+ * Privacy Subsystem for repository_contentbank implementing null_provider.
+ *
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason() : string {
+        return 'privacy:metadata';
+    }
+}
diff --git a/repository/contentbank/db/access.php b/repository/contentbank/db/access.php
new file mode 100644
index 00000000000..de2872628f1
--- /dev/null
+++ b/repository/contentbank/db/access.php
@@ -0,0 +1,62 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Plugin capabilities.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski
+ * @author     Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$capabilities = [
+    'repository/contentbank:view' => [
+        'captype' => 'read',
+        'contextlevel' => CONTEXT_MODULE,
+        'archetypes' => [
+            'coursecreator' => CAP_ALLOW,
+            'editingteacher' => CAP_ALLOW,
+            'manager' => CAP_ALLOW
+        ]
+    ],
+    'repository/contentbank:accesscoursecontent' => [
+        'captype' => 'read',
+        'contextlevel' => CONTEXT_COURSE,
+        'archetypes' => [
+            'coursecreator' => CAP_ALLOW,
+            'editingteacher' => CAP_ALLOW,
+            'manager' => CAP_ALLOW
+        ]
+    ],
+    'repository/contentbank:accesscoursecategorycontent' => [
+        'captype' => 'read',
+        'contextlevel' => CONTEXT_COURSECAT,
+        'archetypes' => [
+            'coursecreator' => CAP_ALLOW,
+            'manager' => CAP_ALLOW
+        ]
+    ],
+    'repository/contentbank:accessgeneralcontent' => [
+        'captype' => 'read',
+        'contextlevel' => CONTEXT_COURSECAT,
+        'archetypes' => [
+            'user' => CAP_ALLOW
+        ]
+    ]
+];
diff --git a/repository/contentbank/db/install.php b/repository/contentbank/db/install.php
new file mode 100644
index 00000000000..ec6e3270073
--- /dev/null
+++ b/repository/contentbank/db/install.php
@@ -0,0 +1,41 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Installation file for the content bank repository
+ *
+ * @package   repository_contentbank
+ * @copyright 2020 Mihail Geshoski <mihail@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Create a default instance of the content bank repository
+ *
+ * @return bool A status indicating success or failure
+ */
+function xmldb_repository_contentbank_install() {
+    global $CFG;
+    $result = true;
+    require_once($CFG->dirroot.'/repository/lib.php');
+    $userplugin = new repository_type('contentbank', [], true);
+    if (!$id = $userplugin->create(true)) {
+        $result = false;
+    }
+    return $result;
+}
diff --git a/repository/contentbank/lang/en/repository_contentbank.php b/repository/contentbank/lang/en/repository_contentbank.php
new file mode 100644
index 00000000000..6b469d96e38
--- /dev/null
+++ b/repository/contentbank/lang/en/repository_contentbank.php
@@ -0,0 +1,34 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Strings for component 'repository_contentbank', language 'en'.
+ *
+ * @package   repository_contentbank
+ * @copyright 2020 Mihail Geshoski
+ * @author    Mihail Geshoski <mihail@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+$string['configplugin'] = 'Configuration for content bank repository';
+$string['pluginname_help'] = 'Files in content bank';
+$string['pluginname'] = 'Content bank';
+$string['emptyfilelist'] = 'There are no files to show';
+$string['contentbank:view'] = 'View content bank repository';
+$string['contentbank:accesscoursecontent'] = 'Access course content bank files';
+$string['contentbank:accesscoursecategorycontent'] = 'Access course category content bank files';
+$string['contentbank:accessgeneralcontent'] = 'Access system content bank files and content bank files from course categories which have an accessible course';
+$string['privacy:metadata'] = 'The Content bank repository plugin does not store or transmit any personal data.';
diff --git a/repository/contentbank/lib.php b/repository/contentbank/lib.php
new file mode 100644
index 00000000000..3a17689098a
--- /dev/null
+++ b/repository/contentbank/lib.php
@@ -0,0 +1,147 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * This plugin is used to access the content bank files.
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/repository/lib.php');
+
+/**
+ * repository_contentbank class is used to browse the content bank files
+ *
+ * @package   repository_contentbank
+ * @copyright 2020 Mihail Geshoski <mihail@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class repository_contentbank extends repository {
+
+    /**
+     * Get file listing.
+     *
+     * @param string $encodedpath
+     * @param string $page
+     * @return array
+     */
+    public function get_listing($encodedpath = '', $page = '') {
+        global $SITE;
+
+        $ret = [];
+        $ret['dynload'] = true;
+        $ret['nosearch'] = true;
+        $ret['nologin'] = true;
+
+        // Return the parameters from the encoded path if the encoded path is not empty.
+        if (!empty($encodedpath)) {
+            $params = json_decode(base64_decode($encodedpath), true);
+            if (is_array($params) && isset($params['contextid'])) {
+                $context = context::instance_by_id(clean_param($params['contextid'], PARAM_INT));
+            }
+        }
+        // Return the current context if the context was not specified in the encoded path.
+        // The current context should be an instance of context_system, context_coursecat or course related contexts.
+        if (empty($context) && !empty($this->context)) {
+            if ($this->context instanceof \context_system || $this->context instanceof \context_coursecat) {
+                $context = $this->context;
+            } else if ($coursecontext = $this->context->get_course_context(false)) {
+                // Skip if front page context.
+                if ($coursecontext->instanceid !== $SITE->id) {
+                    $context = $coursecontext;
+                }
+            }
+        }
+        // If not, return the system context as a default context.
+        if (empty($context)) {
+            $context = context_system::instance();
+        }
+
+        $ret['list'] = [];
+        $ret['path'] = [];
+
+        // Get the content bank browser for the specified context.
+        if ($browser = \repository_contentbank\helper::get_contentbank_browser($context)) {
+            $manageurl = new moodle_url('/contentbank/index.php', ['contextid' => $context->id]);
+            $canaccesscontent = has_capability('moodle/contentbank:access', $context);
+            $ret['manage'] = $canaccesscontent ? $manageurl->out() : '';
+            $ret['list'] = $browser->get_content();
+            $ret['path'] = $browser->get_navigation();
+        }
+
+        return $ret;
+    }
+
+    /**
+     * Is this repository used to browse moodle files?
+     *
+     * @return boolean
+     */
+    public function has_moodle_files() {
+        return true;
+    }
+
+    /**
+     * Tells how the file can be picked from this repository.
+     *
+     * @return int
+     */
+    public function supported_returntypes() {
+        return FILE_INTERNAL | FILE_REFERENCE;
+    }
+
+    /**
+     * Is this repository accessing private data?
+     *
+     * @return bool
+     */
+    public function contains_private_data() {
+        return false;
+    }
+
+    /**
+     * Repository method to make sure that user can access particular file.
+     *
+     * This is checked when user tries to pick the file from repository to deal with
+     * potential parameter substitutions in request
+     *
+     * @param string $source
+     * @return bool whether the file is accessible by current user
+     */
+    public function file_is_accessible($source) {
+        global $DB;
+
+        $fileparams = json_decode(base64_decode($source));
+        $itemid = clean_param($fileparams->itemid, PARAM_INT);
+        $contextid = clean_param($fileparams->contextid, PARAM_INT);
+
+        $contentbankfile = $DB->get_record('contentbank_content', ['id' => $itemid]);
+        $plugin = \core_plugin_manager::instance()->get_plugin_info($contentbankfile->contenttype);
+
+        $managerclass = "\\$contentbankfile->contenttype\\content";
+        if ($plugin && $plugin->is_enabled() && class_exists($managerclass)) {
+            $context = \context::instance_by_id($contextid);
+            $browser = \repository_contentbank\helper::get_contentbank_browser($context);
+            return $browser->can_access_content();
+        }
+
+        return false;
+    }
+}
diff --git a/repository/contentbank/pix/icon.png b/repository/contentbank/pix/icon.png
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diff --git a/repository/contentbank/pix/icon.svg b/repository/contentbank/pix/icon.svg
new file mode 100644
index 00000000000..8f1863baa8a
--- /dev/null
+++ b/repository/contentbank/pix/icon.svg
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 23.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 74 51" style="enable-background:new 0 0 74 51;" xml:space="preserve" preserveAspectRatio="xMinYMid meet">
+<style type="text/css">
+	.st0{fill:#F98012;}
+	.st1{fill:#333333;}
+</style>
+<g>
+	<path class="st0" d="M61.9,50.3V27.4c0-4.8-2-7.2-5.9-7.2c-4,0-5.9,2.4-5.9,7.2v22.9H38.4V27.4c0-4.8-1.9-7.2-5.8-7.2
+		c-4,0-5.9,2.4-5.9,7.2v22.9H15V26.1c0-5,1.7-8.8,5.2-11.3c3-2.3,7.2-3.4,12.4-3.4c5.3,0,9.2,1.4,11.6,4.1c2.2-2.7,6.1-4.1,11.8-4.1
+		c5.2,0,9.3,1.1,12.4,3.4c3.5,2.6,5.2,6.3,5.2,11.3v24.3H61.9z"/>
+	<path class="st1" d="M37.6,9.5l11.6-8.5L49,0.6C28.1,3.1,18.6,4.9,0.7,15.4l0.2,0.5l1.4,0c-0.1,1.4-0.4,5-0.1,10.4
+		c-2,5.8,0,9.7,1.8,14c0.3-4.4,0.3-9.3-1.1-14.1c-0.3-5.3,0-8.8,0.1-10.2L14.9,16c0,0-0.1,3.6,0.4,7c10.7,3.7,21.4,0,27.1-9.2
+		C40.7,11.9,37.6,9.5,37.6,9.5z"/>
+</g>
+</svg>
diff --git a/repository/contentbank/tests/generator/lib.php b/repository/contentbank/tests/generator/lib.php
new file mode 100644
index 00000000000..f03459e368b
--- /dev/null
+++ b/repository/contentbank/tests/generator/lib.php
@@ -0,0 +1,35 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Content bank files repository data generator
+ *
+ * @package    repository_contentbank
+ * @category   test
+ * @copyright  2020 Mihail Geshoski
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+/**
+ * Content bank files repository data generator class
+ *
+ * @package    repository_contentbank
+ * @category   test
+ * @copyright  2020 Mihail Geshoski
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class repository_contentbank_generator extends testing_repository_generator {
+}
diff --git a/repository/contentbank/version.php b/repository/contentbank/version.php
new file mode 100644
index 00000000000..84b83d93c87
--- /dev/null
+++ b/repository/contentbank/version.php
@@ -0,0 +1,30 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Version details
+ *
+ * @package    repository_contentbank
+ * @copyright  2020 Mihail Geshoski
+ * @author     Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->version   = 2020042700;               // The current plugin version (Date: YYYYMMDDXX).
+$plugin->requires  = 2020041500.00;            // Requires this Moodle version.
+$plugin->component = 'repository_contentbank'; // Full name of the plugin (used for diagnostics).