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165 | def parse_public_message(
message_container: BeautifulSoup, course: str
) -> PublicMessage:
"""Parse a message li element and extract all relevant information.
Args:
message_container (BeautifulSoup): BeautifulSoup element representing the message
course (LMSCourse): An LMSCourse instance
Returns:
(dict): Dictionary containing message details
"""
# Initialize message data
message = {
"item_id": "",
"lms_course": course,
"author": "",
"text": "",
"sent_at": "",
"has_attachment": False,
"attachment_name": "",
"attachment_link": "",
"is_exercise": False,
"is_exercise_finished": False,
"exercise_name": "",
"exercise_start": "",
"exercise_deadline": "",
"is_online_session": False,
"online_session_name": "",
"online_session_link": "",
"online_session_status": "",
"online_session_start": "",
"online_session_end": "",
}
# Extract item id
# find the id of the message container
message["item_id"] = message_container.get("id")
# Extract author
author_element = message_container.select_one(
'a[class~="feed_item_username"]'
)
if author_element:
# this converts "Fakheran - Ali" to "Ali Fakheran"
message["author"] = " ".join(
reversed(author_element.text.strip().split(" - "))
)
# Extract text body
text_body = message_container.select_one(
'span[class="feed_item_bodytext"]'
)
if text_body:
# Check for expanded text content
text_span = text_body.select_one(
'span[class="view_more"][style^="display"]'
)
text_element = (
text_span if text_span and text_span.text.strip() else text_body
)
message["text"] = text_element.text.strip()
# Extract timestamp
timestamp_element = message_container.select_one('span[class="timestamp"]')
if timestamp_element:
message["sent_at"] = timestamp_element.text.strip()
# Check for attachments
attachment_div = message_container.select_one(
'div[class="feed_item_attachments"]'
)
if attachment_div:
online_session_table = attachment_div.find("table")
if online_session_table:
message["is_online_session"] = True
message["online_session_name"] = online_session_table.find(
class_="adobe_meeting_url"
).text
message["online_session_link"] = online_session_table.find(
class_="adobe_meeting_url"
).get("href", "")
message["online_session_status"] = (
online_session_table.find_all("tr")[-1]
.find_all("td")[2]
.find("span")
.text
)
online_session_time = (
online_session_table.find_all("tr")[-1]
.find_all("td")[2]
.find("div")
.text
)
start_part, end_part = online_session_time.split("زمان پایان : ")
start_time = start_part.replace("زمان شروع : ", "").strip()
end_time = end_part.strip()
message["online_session_start"] = start_time
message["online_session_end"] = end_time
else:
attachment_spans = attachment_div.find_all("span", recursive=False)
if len(attachment_spans) == 0:
# Regular attachment, not an exercise
message["has_attachment"] = True
anchor_tag = attachment_div.find("a")
if anchor_tag:
message["attachment_name"] = anchor_tag.text.strip()
message["attachment_link"] = anchor_tag.get("href", "")
if len(attachment_spans) == 1:
# It's a link
link = (
attachment_spans[0]
.find(class_="feed_item_link_title")
.text.strip()
)
if link not in message["text"]:
message["text"] += f"\n{link}"
elif len(attachment_spans) == 4:
# It's an exercise
message["is_exercise"] = True
# Extract exercise name
exercise_name = attachment_spans[0].text.strip()
# Remove "title:" prefix
colon_index = exercise_name.find(":")
if colon_index != -1:
message["exercise_name"] = exercise_name[
colon_index + 1 :
].strip()
# Check for exercise attachment
if attachment_spans[1].find("a"):
anchor_tag = attachment_spans[1].find("a")
message["has_attachment"] = True
message["attachment_name"] = anchor_tag.text.strip()
message["attachment_link"] = anchor_tag.get("href", "")
# Extract exercise start time
exercise_start = attachment_spans[2].text.strip()
colon_index = exercise_start.find(":")
if colon_index != -1:
message["exercise_start"] = exercise_start[
colon_index + 1 :
].strip()
# Extract exercise deadline
exercise_deadline = attachment_spans[3].text.strip()
colon_index = exercise_deadline.find(":")
if colon_index != -1:
message["exercise_deadline"] = exercise_deadline[
colon_index + 1 :
].strip()
if "پایان" in message["exercise_deadline"]:
message["is_exercise_finished"] = True
return PublicMessage(**message)
|