refactor: renamed app to lms

lms/www/batch/learn.py

@@ -0,0 +1,69 @@
+from re import I
+import frappe
+from lms.www.utils import get_common_context, redirect_to_lesson
+from lms.lms.utils import get_lesson_url
+from frappe.utils import cstr, flt
+from lms.www import batch
+
+def get_context(context):
+    get_common_context(context)
+
+    chapter_index = frappe.form_dict.get("chapter")
+    lesson_index = frappe.form_dict.get("lesson")
+    lesson_number = f"{chapter_index}.{lesson_index}"
+    if not chapter_index or not lesson_index:
+        if context.batch:
+            index_ = get_lesson_index(context.course, context.batch, frappe.session.user) or "1.1"
+        else:
+            index_ = "1.1"
+        redirect_to_lesson(context.course, index_)
+
+    context.lesson = get_current_lesson_details(lesson_number, context)
+    neighbours = get_neighbours(lesson_number, context.lessons)
+    context.next_url = get_url(neighbours["next"], context.course)
+    context.prev_url = get_url(neighbours["prev"], context.course)
+
+    meta_info = context.lesson.title + " - " + context.course.title
+    context.metatags = {
+        "title": meta_info,
+        "keywords": meta_info,
+        "description": meta_info
+    }
+
+    context.page_extensions = get_page_extensions(context)
+    context.page_context = {
+        "course": context.course.name,
+        "batch": context.get("batch") and context.batch.name,
+        "lesson": context.lesson.name,
+        "is_member": context.membership is not None
+    }
+
+def get_current_lesson_details(lesson_number, context):
+    details_list = list(filter(lambda x: cstr(x.number) == lesson_number, context.lessons))
+    if not len(details_list):
+        redirect_to_lesson(context.course)
+    return details_list[0]
+
+def get_url(lesson_number, course):
+    return get_lesson_url(course.name, lesson_number) and get_lesson_url(course.name, lesson_number) + course.query_parameter
+
+def get_lesson_index(course, batch, user):
+    lesson = batch.get_current_lesson(user)
+    return lesson and course.get_lesson_index(lesson)
+
+def get_page_extensions(context):
+    default_value = ["lms.plugins.PageExtension"]
+    classnames = frappe.get_hooks("lms_lesson_page_extensions") or default_value
+    extensions = [frappe.get_attr(name)() for name in classnames]
+    for e in extensions:
+        e.set_context(context)
+    return extensions
+
+def get_neighbours(current, lessons):
+    current = flt(current)
+    numbers = sorted(lesson.number for lesson in lessons)
+    index = numbers.index(current)
+    return {
+            "prev": numbers[index-1] if index-1 >= 0 else None,
+            "next": numbers[index+1] if index+1 < len(numbers) else None
+        }