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MDL-15499 Database tables for conditional activities (code to follow! I hope)

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sam_marshall
2008-11-24 17:09:55 +00:00
parent d55132a769
commit 0953a4e7bc
3 changed files with 86 additions and 4 deletions
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lib/db/install.xml
+30 -3
View File
@@ -128,7 +128,7 @@
<INDEX NAME="child_course" UNIQUE="false" FIELDS="child_course" PREVIOUS="parent_course"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_modules" COMMENT="course_modules table retrofitted from MySQL" PREVIOUS="course_meta" NEXT="course_modules_completion">
<TABLE NAME="course_modules" COMMENT="course_modules table retrofitted from MySQL" PREVIOUS="course_meta" NEXT="course_modules_availability">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
<FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="module"/>
@@ -137,6 +137,7 @@
<FIELD NAME="section" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="instance" NEXT="idnumber"/>
<FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="customizable idnumber" PREVIOUS="section" NEXT="added"/>
<FIELD NAME="added" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="idnumber" NEXT="score"/>
<FIELD NAME="score" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="added" NEXT="indent"/>
<FIELD NAME="indent" TYPE="int" LENGTH="5" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="score" NEXT="visible"/>
<FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="indent" NEXT="visibleold"/>
@@ -146,12 +147,17 @@
<FIELD NAME="groupmembersonly" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="only members of any group are allowed to access the activity" PREVIOUS="groupingid" NEXT="completion"/>
<FIELD NAME="completion" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Whether the completion-tracking facilities are enabled for this activity. 0 = not enabled (database default) 1 = manual tracking, user can tick this activity off (UI default for most activity types) 2 = automatic tracking, system should mark completion according to rules specified in course_moduleS_completion" PREVIOUS="groupmembersonly" NEXT="completiongradeitemnumber"/>
<FIELD NAME="completiongradeitemnumber" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Grade-item number used to track automatic completion, if applicable." PREVIOUS="completion" NEXT="completionview"/>
<FIELD NAME="completionview" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Controls whether a page view is part of the automatic completion requirements for this activity. 0 = view not required 1 = view required" PREVIOUS="completiongradeitemnumber" NEXT="completionexpected"/>
<FIELD NAME="completionexpected" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Date at which students are expected to complete this activity. This field is used when displaying student progress." PREVIOUS="completionview"/>
<FIELD NAME="completionexpected" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Date at which students are expected to complete this activity. This field is used when displaying student progress." PREVIOUS="completionview" NEXT="availablefrom"/>
<FIELD NAME="availablefrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If set non-zero, the activity only becomes available from the time given here." PREVIOUS="completionexpected" NEXT="availableuntil"/>
<FIELD NAME="availableuntil" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If set non-zero, the activity is only available until the time given here." PREVIOUS="availablefrom" NEXT="showavailability"/>
<FIELD NAME="showavailability" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If this field is set to 1 and the activity is not available because the 'availablefrom' date has not been reached, or one of the conditions in course_modules_availability is not matched, then the item will be displayed greyed-out (unclickable) with an information message such as 'Available from (date)'. Otherwise, the item will not be displayed to students at all." PREVIOUS="availableuntil"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="groupingid"/>
<KEY NAME="groupingid" TYPE="foreign" FIELDS="groupingid" REFTABLE="groupings" REFFIELDS="id" PREVIOUS="primary"/>
</KEYS>
<INDEXES>
<INDEX NAME="visible" UNIQUE="false" FIELDS="visible" NEXT="course"/>
@@ -161,7 +167,27 @@
<INDEX NAME="idnumber-course" UNIQUE="false" FIELDS="idnumber, course" COMMENT="non unique index (although programatically we are guarantying some sort of uniqueness both under this table and the grade_items one). TODO: We need a central store of module idnumbers in the future." PREVIOUS="instance"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_modules_completion" COMMENT="Stores the completion state (completed or not completed, etc) of each user on each activity." PREVIOUS="course_modules" NEXT="course_sections">
<TABLE NAME="course_modules_availability" COMMENT="Table stores conditions that affect whether a module/activity is currently available to students or not." PREVIOUS="course_modules" NEXT="course_modules_completion">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="coursemoduleid"/>
<FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="ID of the module whose availability is being restricted by this condition." PREVIOUS="id" NEXT="sourcecmid"/>
<FIELD NAME="sourcecmid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this condition is based on completion of another activity, then this is the course-module ID of that activity. Otherwise null." PREVIOUS="coursemoduleid" NEXT="requiredcompletion"/>
<FIELD NAME="requiredcompletion" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this condition is on a module's completion, then this should be set to the required completion state. Otherwise null. Suitable values are 1 = completed, 2 = completed-passed, 3 = completed-failed." PREVIOUS="sourcecmid" NEXT="gradeitemid"/>
<FIELD NAME="gradeitemid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this condition is based on a gradebook score, the item ID is given here (and the item will now not be available until a value is achieved for that grade). Otherwise null." PREVIOUS="requiredcompletion" NEXT="grademin"/>
<FIELD NAME="grademin" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="If set, this is the minimum grade that must be reached in order for this module to appear. Otherwise null." PREVIOUS="gradeitemid" NEXT="grademax"/>
<FIELD NAME="grademax" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="If set, this is the maximum grade that can be reached in order to display this item. Otherwise null." PREVIOUS="grademin"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="fk_coursemoduleid"/>
<KEY NAME="fk_coursemoduleid" TYPE="foreign" FIELDS="coursemoduleid" REFTABLE="course_modules" REFFIELDS="id" PREVIOUS="primary" NEXT="fk_sourcecmid"/>
<KEY NAME="fk_sourcecmid" TYPE="foreign" FIELDS="sourcecmid" REFTABLE="course_modules" REFFIELDS="id" PREVIOUS="fk_coursemoduleid" NEXT="fk_gradeitemid"/>
<KEY NAME="fk_gradeitemid" TYPE="foreign" FIELDS="gradeitemid" REFTABLE="grade_items" REFFIELDS="id" PREVIOUS="fk_sourcecmid"/>
</KEYS>
</TABLE>
<TABLE NAME="course_modules_completion" COMMENT="Stores the completion state (completed or not completed, etc) of each user on each activity." PREVIOUS="course_modules_availability" NEXT="course_sections">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="coursemoduleid"/>
<FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Activity that has been completed (or not)." PREVIOUS="id" NEXT="userid"/>
@@ -171,6 +197,7 @@
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Time at which the completion state last changed." PREVIOUS="viewed"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
lib/db/upgrade.php
+55
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@@ -1056,6 +1056,61 @@ function xmldb_main_upgrade($oldversion) {
upgrade_main_savepoint($result, 2008111801);
}
if ($result && $oldversion < 2008112400) {
/// Define field availablefrom to be added to course_modules
$table = new xmldb_table('course_modules');
$field = new xmldb_field('availablefrom', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'completionexpected');
/// Conditionally launch add field availablefrom
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
/// Define field availableuntil to be added to course_modules
$field = new xmldb_field('availableuntil', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'availablefrom');
/// Conditionally launch add field availableuntil
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
/// Define field showavailability to be added to course_modules
$field = new xmldb_field('showavailability', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'availableuntil');
/// Conditionally launch add field showavailability
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
/// Define table course_modules_availability to be created
$table = new xmldb_table('course_modules_availability');
/// Adding fields to table course_modules_availability
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
$table->add_field('coursemoduleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
$table->add_field('sourcecmid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
$table->add_field('requiredcompletion', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null);
$table->add_field('gradeitemid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
$table->add_field('grademin', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
$table->add_field('grademax', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
/// Adding keys to table course_modules_availability
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('fk_coursemoduleid', XMLDB_KEY_FOREIGN, array('coursemoduleid'), 'course_modules', array('id'));
$table->add_key('fk_sourcecmid', XMLDB_KEY_FOREIGN, array('sourcecmid'), 'course_modules', array('id'));
$table->add_key('fk_gradeitemid', XMLDB_KEY_FOREIGN, array('gradeitemid'), 'grade_items', array('id'));
/// Conditionally launch create table for course_modules_availability
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
/// Main savepoint reached
upgrade_main_savepoint($result, 2008112400);
}
return $result;
}
version.php
+1 -1
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@@ -6,7 +6,7 @@
// This is compared against the values stored in the database to determine
// whether upgrades should be performed (see lib/db/*.php)
$version = 2008112101; // YYYYMMDD = date of the last version bump
$version = 2008112400; // YYYYMMDD = date of the last version bump
// XX = daily increments
$release = '2.0 dev (Build: 20081124)'; // Human-friendly version name