95 lines
2.7 KiB
Python
95 lines
2.7 KiB
Python
import frappe
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from frappe import _
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from frappe.utils import cstr, flt
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from lms.lms.utils import get_lesson_url, has_course_moderator_role, is_instructor
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from lms.www.utils import (
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get_common_context,
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redirect_to_lesson,
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get_current_lesson_details,
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)
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def get_context(context):
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get_common_context(context)
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chapter_index = frappe.form_dict.get("chapter")
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lesson_index = frappe.form_dict.get("lesson")
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lesson_number = f"{chapter_index}.{lesson_index}"
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context.lesson_number = lesson_number
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context.lesson_index = lesson_index
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context.chapter = frappe.db.get_value(
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"Chapter Reference", {"idx": chapter_index, "parent": context.course.name}, "chapter"
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)
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if not chapter_index or not lesson_index:
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index_ = "1.1"
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redirect_to_lesson(context.course, index_)
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context.lesson = get_current_lesson_details(lesson_number, context)
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instructor = is_instructor(context.course.name)
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context.show_lesson = (
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context.membership
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or (context.lesson and context.lesson.include_in_preview)
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or instructor
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or has_course_moderator_role()
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)
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if not context.lesson:
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context.lesson = frappe._dict()
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if frappe.form_dict.get("edit"):
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if not instructor and not has_course_moderator_role():
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raise frappe.PermissionError(_("You do not have permission to access this page."))
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context.lesson.edit_mode = True
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else:
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neighbours = get_neighbours(lesson_number, context.lessons)
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context.next_url = get_url(neighbours["next"], context.course)
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context.prev_url = get_url(neighbours["prev"], context.course)
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meta_info = (
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context.lesson.title + " - " + context.course.title
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if context.lesson.title
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else "New Lesson"
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)
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context.metatags = {
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"title": meta_info,
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"keywords": meta_info,
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"description": meta_info,
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}
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context.page_extensions = get_page_extensions(context)
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context.page_context = {
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"course": context.course.name,
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"batch": context.batch,
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"lesson": context.lesson.name if context.lesson.name else "New Lesson",
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"is_member": context.membership is not None,
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}
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def get_url(lesson_number, course):
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return (
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get_lesson_url(course.name, lesson_number)
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and get_lesson_url(course.name, lesson_number) + course.query_parameter
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)
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def get_page_extensions(context):
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default_value = ["lms.plugins.PageExtension"]
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classnames = frappe.get_hooks("lms_lesson_page_extensions") or default_value
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extensions = [frappe.get_attr(name)() for name in classnames]
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for e in extensions:
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e.set_context(context)
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return extensions
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def get_neighbours(current, lessons):
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current = flt(current)
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numbers = sorted(lesson.number for lesson in lessons)
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index = numbers.index(current)
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return {
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"prev": numbers[index - 1] if index - 1 >= 0 else None,
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"next": numbers[index + 1] if index + 1 < len(numbers) else None,
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}
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