Files
frontend-app-learning/src/courseware/data/api.js
2021-09-22 09:11:55 -04:00

317 lines
11 KiB
JavaScript

import { getConfig, camelCaseObject } from '@edx/frontend-platform';
import { getAuthenticatedHttpClient, getAuthenticatedUser } from '@edx/frontend-platform/auth';
import { logInfo } from '@edx/frontend-platform/logging';
import { getTimeOffsetMillis } from '../../course-home/data/api';
import { appendBrowserTimezoneToUrl } from '../../utils';
export function normalizeBlocks(courseId, blocks) {
const models = {
courses: {},
sections: {},
sequences: {},
units: {},
};
Object.values(blocks).forEach(block => {
switch (block.type) {
case 'course':
models.courses[block.id] = {
id: courseId,
title: block.display_name,
sectionIds: block.children || [],
hasScheduledContent: block.has_scheduled_content || false,
};
break;
case 'chapter':
models.sections[block.id] = {
id: block.id,
title: block.display_name,
sequenceIds: block.children || [],
};
break;
case 'sequential':
models.sequences[block.id] = {
effortActivities: block.effort_activities,
effortTime: block.effort_time,
id: block.id,
title: block.display_name,
legacyWebUrl: block.legacy_web_url,
unitIds: block.children || [],
};
break;
case 'vertical':
models.units[block.id] = {
graded: block.graded,
id: block.id,
title: block.display_name,
legacyWebUrl: block.legacy_web_url,
};
break;
default:
logInfo(`Unexpected course block type: ${block.type} with ID ${block.id}. Expected block types are course, chapter, sequential, and vertical.`);
}
});
// Next go through each list and use their child lists to decorate those children with a
// reference back to their parent.
Object.values(models.courses).forEach(course => {
if (Array.isArray(course.sectionIds)) {
course.sectionIds.forEach(sectionId => {
const section = models.sections[sectionId];
section.courseId = course.id;
});
}
});
Object.values(models.sections).forEach(section => {
if (Array.isArray(section.sequenceIds)) {
section.sequenceIds.forEach(sequenceId => {
if (sequenceId in models.sequences) {
models.sequences[sequenceId].sectionId = section.id;
} else {
logInfo(`Section ${section.id} has child block ${sequenceId}, but that block is not in the list of sequences.`);
}
});
}
});
Object.values(models.sequences).forEach(sequence => {
if (Array.isArray(sequence.unitIds)) {
sequence.unitIds.forEach(unitId => {
if (unitId in models.units) {
models.units[unitId].sequenceId = sequence.id;
} else {
logInfo(`Sequence ${sequence.id} has child block ${unitId}, but that block is not in the list of units.`);
}
});
}
});
return models;
}
export function normalizeLearningSequencesData(learningSequencesData) {
const models = {
courses: {},
sections: {},
sequences: {},
};
// Course
const now = new Date();
models.courses[learningSequencesData.course_key] = {
id: learningSequencesData.course_key,
title: learningSequencesData.title,
sectionIds: learningSequencesData.outline.sections.map(section => section.id),
// Scan through all the sequences and look for ones that aren't accessible
// to us yet because the start date has not yet passed. (Some may be
// inaccessible because the end_date has passed.)
hasScheduledContent: Object.values(learningSequencesData.outline.sequences).some(
seq => !seq.accessible && now < Date.parse(seq.effective_start),
),
};
// Sections
learningSequencesData.outline.sections.forEach(section => {
models.sections[section.id] = {
id: section.id,
title: section.title,
sequenceIds: section.sequence_ids,
};
});
// Sequences
Object.entries(learningSequencesData.outline.sequences).forEach(([seqId, sequence]) => {
models.sequences[seqId] = {
id: seqId,
title: sequence.title,
};
});
return models;
}
export async function getCourseBlocks(courseId) {
const authenticatedUser = getAuthenticatedUser();
const url = new URL(`${getConfig().LMS_BASE_URL}/api/courses/v2/blocks/`);
url.searchParams.append('course_id', courseId);
url.searchParams.append('username', authenticatedUser ? authenticatedUser.username : '');
url.searchParams.append('depth', 3);
url.searchParams.append('requested_fields', 'children,effort_activities,effort_time,show_gated_sections,graded,special_exam_info,has_scheduled_content');
const { data } = await getAuthenticatedHttpClient().get(url.href, {});
return normalizeBlocks(courseId, data.blocks);
}
// Returns the output of the Learning Sequences API, or null if that API is not
// currently available for this user in this course.
export async function getLearningSequencesOutline(courseId) {
const outlineUrl = new URL(`${getConfig().LMS_BASE_URL}/api/learning_sequences/v1/course_outline/${courseId}`);
try {
const { data } = await getAuthenticatedHttpClient().get(outlineUrl.href, {});
return normalizeLearningSequencesData(data);
} catch (error) {
// This is not a critical API to use at the moment. If it errors for any
// reason, just send back a null so the higher layers know to ignore it.
if (error.response) {
if (error.response.status === 403) {
logInfo('Learning Sequences API not enabled for this user.');
} else {
logInfo(`Unexpected error calling Learning Sequences API (${error.response.status}). Ignoring.`);
}
return null;
}
throw error;
}
}
function normalizeTabUrls(id, tabs) {
// If api doesn't return the mfe base url, change tab url to point back to LMS
return tabs.map((tab) => {
let { url } = tab;
if (url[0] === '/') {
url = `${getConfig().LMS_BASE_URL}${tab.url}`;
}
return { ...tab, url };
});
}
function normalizeMetadata(metadata) {
const requestTime = Date.now();
const responseTime = requestTime;
const { data, headers } = metadata;
return {
accessExpiration: camelCaseObject(data.access_expiration),
canShowUpgradeSock: data.can_show_upgrade_sock,
contentTypeGatingEnabled: data.content_type_gating_enabled,
id: data.id,
title: data.name,
number: data.number,
offer: camelCaseObject(data.offer),
org: data.org,
enrollmentStart: data.enrollment_start,
enrollmentEnd: data.enrollment_end,
end: data.end,
start: data.start,
enrollmentMode: data.enrollment.mode,
isEnrolled: data.enrollment.is_active,
courseAccess: camelCaseObject(data.course_access),
canViewLegacyCourseware: data.can_view_legacy_courseware,
originalUserIsStaff: data.original_user_is_staff,
isStaff: data.is_staff,
license: data.license,
verifiedMode: camelCaseObject(data.verified_mode),
tabs: normalizeTabUrls(data.id, camelCaseObject(data.tabs)),
userTimezone: data.user_timezone,
showCalculator: data.show_calculator,
notes: camelCaseObject(data.notes),
marketingUrl: data.marketing_url,
celebrations: camelCaseObject(data.celebrations),
userHasPassingGrade: data.user_has_passing_grade,
courseExitPageIsActive: data.course_exit_page_is_active,
certificateData: camelCaseObject(data.certificate_data),
timeOffsetMillis: getTimeOffsetMillis(headers && headers.date, requestTime, responseTime),
verifyIdentityUrl: data.verify_identity_url,
verificationStatus: data.verification_status,
linkedinAddToProfileUrl: data.linkedin_add_to_profile_url,
relatedPrograms: camelCaseObject(data.related_programs),
userNeedsIntegritySignature: data.user_needs_integrity_signature,
isMasquerading: data.original_user_is_staff && !data.is_staff,
};
}
export async function getCourseMetadata(courseId) {
let url = `${getConfig().LMS_BASE_URL}/api/courseware/course/${courseId}`;
url = appendBrowserTimezoneToUrl(url);
const metadata = await getAuthenticatedHttpClient().get(url);
return normalizeMetadata(metadata);
}
function normalizeSequenceMetadata(sequence) {
return {
sequence: {
id: sequence.item_id,
blockType: sequence.tag,
unitIds: sequence.items.map(unit => unit.id),
bannerText: sequence.banner_text,
format: sequence.format,
title: sequence.display_name,
/*
Example structure of gated_content when prerequisites exist:
{
prereq_id: 'id of the prereq section',
prereq_url: 'unused by this frontend',
prereq_section_name: 'Name of the prerequisite section',
gated: true,
gated_section_name: 'Name of this gated section',
*/
gatedContent: camelCaseObject(sequence.gated_content),
isTimeLimited: sequence.is_time_limited,
isProctored: sequence.is_proctored,
isHiddenAfterDue: sequence.is_hidden_after_due,
// Position comes back from the server 1-indexed. Adjust here.
activeUnitIndex: sequence.position ? sequence.position - 1 : 0,
saveUnitPosition: sequence.save_position,
showCompletion: sequence.show_completion,
allowProctoringOptOut: sequence.allow_proctoring_opt_out,
},
units: sequence.items.map(unit => ({
id: unit.id,
sequenceId: sequence.item_id,
bookmarked: unit.bookmarked,
complete: unit.complete,
title: unit.page_title,
contentType: unit.type,
graded: unit.graded,
containsContentTypeGatedContent: unit.contains_content_type_gated_content,
})),
};
}
export async function getSequenceMetadata(sequenceId) {
const { data } = await getAuthenticatedHttpClient()
.get(`${getConfig().LMS_BASE_URL}/api/courseware/sequence/${sequenceId}`, {});
return normalizeSequenceMetadata(data);
}
const getSequenceHandlerUrl = (courseId, sequenceId) => `${getConfig().LMS_BASE_URL}/courses/${courseId}/xblock/${sequenceId}/handler`;
export async function getBlockCompletion(courseId, sequenceId, usageKey) {
const { data } = await getAuthenticatedHttpClient().post(
`${getSequenceHandlerUrl(courseId, sequenceId)}/get_completion`,
{ usage_key: usageKey },
);
return data.complete === true;
}
export async function postSequencePosition(courseId, sequenceId, activeUnitIndex) {
const { data } = await getAuthenticatedHttpClient().post(
`${getSequenceHandlerUrl(courseId, sequenceId)}/goto_position`,
// Position is 1-indexed on the server and 0-indexed in this app. Adjust here.
{ position: activeUnitIndex + 1 },
);
return data;
}
export async function getResumeBlock(courseId) {
const url = new URL(`${getConfig().LMS_BASE_URL}/api/courseware/resume/${courseId}`);
const { data } = await getAuthenticatedHttpClient().get(url.href, {});
return camelCaseObject(data);
}
export async function postIntegritySignature(courseId) {
const { data } = await getAuthenticatedHttpClient().post(
`${getConfig().LMS_BASE_URL}/api/agreements/v1/integrity_signature/${courseId}`, {},
);
return camelCaseObject(data);
}
export async function sendActivationEmail() {
const url = new URL(`${getConfig().LMS_BASE_URL}/api/send_account_activation_email`);
const { data } = await getAuthenticatedHttpClient().post(url.href, {});
return data;
}