2022-06-15 11:14:08 +02:00

322 lines
11 KiB
Python

import logging
logger = logging.getLogger(__name__)
from peewee import *
import os
import markdown
import re
import configuration
import datetime
config = configuration.parsed["DOWNLOADS"]
slack_config = configuration.parsed["SLACK"]
## Helpers
chat_db = DatabaseProxy()
download_db = DatabaseProxy()
# set the nature of the db at runtime
class DownloadBaseModel(Model):
class Meta:
database = download_db
class ChatBaseModel(Model):
class Meta:
database = chat_db
## == Article related models == ##
class ArticleDownload(DownloadBaseModel):
title = CharField(default='')
pub_date = DateField(default = '')
download_date = DateField(default = datetime.date.today)
source_name = CharField(default = '')
article_url = TextField(default = '', unique=True)
archive_url = TextField(default = '')
file_name = TextField(default = '')
language = CharField(default = '')
summary = TextField(default = '')
comment = TextField(default = '')
verified = IntegerField(default = False)
# authors
# keywords
# ... are added through foreignkeys
def __str__(self) -> str:
return f"ART [{self.title} -- {self.source_name}]"
## Useful Properties
@property
def save_path(self):
return f"{config['local_storage_path']}/{self.download_date.year}/{self.download_date.strftime('%B')}/"
def fname_nas(self, file_name=""):
if self.download_date:
if file_name:
return "NAS: {}/{}/{}/{}".format(config["remote_storage_path"], self.download_date.year, self.download_date.strftime("%B"), file_name)
else: # return the self. name
return "NAS: {}/{}/{}/{}".format(config["remote_storage_path"], self.download_date.year, self.download_date.strftime("%B"), self.file_name)
else:
return None
@property
def fname_template(self):
if "youtube.com" in self.source_name or "youtu.be" in self.source_name:
fname = "{} -- {}".format(self.source_name, self.title)
else:
fname = "{} -- {}.pdf".format(self.source_name, self.title)
return clear_path_name(fname)
@property
def is_title_bad(self): # add incrementally
return "PUR-Abo" in self.title \
or "Redirecting" in self.title \
or "Error while running fetch" in self.title
@property
def slack_info(self):
status = [":x: No better version available", ":gear: Verification pending", ":white_check_mark: Verified by human"][self.verified + 1]
content = "\n>" + "\n>".join(self.summary.split("\n"))
file_status, msg = self.file_status()
if not file_status:
return [msg]
# everything alright: generate real content
# first the base file
if self.file_name[-4:] == ".pdf":
answer = [{ # main reply with the base pdf
"reply_text" : f"*{self.title}*\n{status}\n{content}",
"file_path" : self.save_path + self.file_name
}]
else: # don't upload if the file is too big!
location = "Not uploaded to slack, but the file will be on the NAS:\n`{}`".format(self.fname_nas())
answer = [{ # main reply with the base pdf
"reply_text" : "*{}*\n{}\n{}\n{}".format(self.title, status, content, location),
"file_path" : None
}]
# then the related files
rel_text = ""
for r in self.related:
fname = r.related_file_name
lentry = "\n• `{}` ".format(self.fname_nas(fname))
if fname[-4:] == ".pdf": # this is a manageable file, directly upload
f_ret = self.save_path + fname
answer.append({"reply_text":"", "file_path" : f_ret})
else: # not pdf <=> too large. Don't upload but mention its existence
lentry += "(not uploaded to slack, but the file will be on the NAS)"
rel_text += lentry
if rel_text:
rel_text = answer[0]["reply_text"] = answer[0]["reply_text"] + "\nRelated files:\n" + rel_text
return answer
@property
def mail_info(self):
base = [{"reply_text": "[{}]({})\n".format(self.article_url, self.article_url), "file_path":None}] + self.slack_info
return [{"reply_text": markdown.markdown(m["reply_text"]), "file_path": m["file_path"]} for m in base]
## Helpers
def set_keywords(self, keywords):
for k in keywords:
ArticleKeyword.create(
article = self,
keyword = k
)
def set_authors(self, authors):
for a in authors:
ArticleAuthor.create(
article = self,
author = a
)
def set_references(self, references):
for r in references:
ArticleReference.create(
article = self,
reference_url = r
)
def set_related(self, related):
for r in related:
ArticleRelated.create(
article = self,
related_file_name = r
)
def file_status(self):
if not self.file_name:
logger.error("Article {} has no filename!".format(self))
return False, {"reply_text": "Download failed, no file was saved.", "file_path": None}
file_path_abs = self.save_path + self.file_name
if not os.path.exists(file_path_abs):
logger.error("Article {} has a filename, but the file does not exist at that location!".format(self))
return False, {"reply_text": "Can't find file. Either the download failed or the file was moved.", "file_path": None}
return True, {}
class ArticleKeyword(DownloadBaseModel):
# instance gets created for every one keyword -> flexible in size
article = ForeignKeyField(ArticleDownload, backref='keywords')
keyword = CharField()
class ArticleAuthor(DownloadBaseModel):
article = ForeignKeyField(ArticleDownload, backref='authors')
author = CharField()
class ArticleReference(DownloadBaseModel):
article = ForeignKeyField(ArticleDownload, backref='references')
reference_url = TextField(default = '')
class ArticleRelated(DownloadBaseModel):
article = ForeignKeyField(ArticleDownload, backref='related')
related_file_name = TextField(default = '')
## == Slack-thread related models == ##
class User(ChatBaseModel):
user_id = CharField(default='', unique=True)
# messages
class Thread(ChatBaseModel):
"""The threads that concern us are only created if the base massage contains a url"""
thread_ts = FloatField(default = 0)
article = ForeignKeyField(ArticleDownload, backref="slack_thread", null=True, default=None)
# provides, ts, user, models
# messages
@property
def slack_ts(self):
str_ts = str(self.thread_ts)
cut_zeros = 6 - (len(str_ts) - str_ts.find(".") - 1) # usually there a 6 decimals. If there are less, problem!
return "{}{}".format(str_ts, cut_zeros*"0")
@property
def initiator_message(self):
try:
return self.messages[0] # TODO check if this needs sorting
except IndexError:
logger.warning(f"Thread {self} is empty. How can that be?")
return None
@property
def message_count(self):
# logger.warning("message_count was called")
return self.messages.count()
@property
def last_message(self):
messages = Message.select().where(Message.thread == self).order_by(Message.ts) # can't be empty by definition/creation
return messages[-1]
@property
def is_fully_processed(self) -> bool:
init_message = self.initiator_message
if init_message is None:
return False
if init_message.is_processed_override:
return True
# this override is set for instance, when no url was sent at all. Then set this thread to be ignored
reactions = init_message.reaction
if not reactions:
return False
else:
r = reactions[0].type # can and should only have one reaction
return r == "white_check_mark" \
or r == "x"
class Message(ChatBaseModel):
ts = FloatField(unique=True) #for sorting
channel_id = CharField(default='')
user = ForeignKeyField(User, backref="messages")
text = TextField(default='')
thread = ForeignKeyField(Thread, backref="messages", default=None)
file_type = CharField(default='')
perma_link = CharField(default='')
is_processed_override = BooleanField(default=False)
# reaction
def __str__(self) -> str:
return "MSG [{}]".format(self.text[:min(len(self.text), 30)].replace('\n','/') + '...')
@property
def slack_ts(self):
str_ts = str(self.ts)
cut_zeros = 6 - (len(str_ts) - str_ts.find(".") - 1) # usually there a 6 decimals. If there are less, problem!
return "{}{}".format(str_ts, cut_zeros * "0")
@property
def urls(self):
pattern = r"<(.*?)>"
matches = re.findall(pattern, self.text)
matches = [m for m in matches if "." in m]
new_matches = []
for m in matches:
if "." in m: # must contain a tld, right?
# further complication: slack automatically abreviates urls in the format:
# <url|link preview>. Lucky for us, "|" is a character derecommended in urls, meaning we can "safely" split for it and retain the first half
if "|" in m:
keep = m.split("|")[0]
else:
keep = m
new_matches.append(keep)
return new_matches
@property
def is_by_human(self):
return self.user.user_id != slack_config["bot_id"]
@property
def has_single_url(self):
return len(self.urls) == 1
class Reaction(ChatBaseModel):
type = CharField(default = "")
message = ForeignKeyField(Message, backref="reaction")
def create_tables():
with download_db:
download_db.create_tables([ArticleDownload, ArticleKeyword, ArticleAuthor, ArticleReference, ArticleRelated])
with chat_db:
chat_db.create_tables([User, Message, Thread, Reaction])
def set_db(chat_db_object, download_db_object):
chat_db.initialize(chat_db_object)
download_db.initialize(download_db_object)
create_tables()
def clear_path_name(path):
keepcharacters = (' ','.','_', '-')
converted = "".join([c if (c.isalnum() or c in keepcharacters) else "_" for c in path]).rstrip()
return converted