epilogue/epilogue/forum.py

104 lines
3.5 KiB
Python

import sqlite3
from datetime import datetime
PREFIX = "smf_"
GET_BOARDS = """
SELECT * FROM `{}boards`
ORDER BY `board_order` ASC
""".format(PREFIX)
GET_CATEGORIES = """
SELECT * FROM `{}categories`
ORDER BY `cat_order` ASC
""".format(PREFIX)
GET_THREADS = """
SELECT * FROM `{}topics` AS `topics`, `{}messages` AS `messages`
WHERE `topics`.`id_board`=? AND `messages`.`id_msg`=`topics`.`id_first_msg`
ORDER BY `id_last_msg` DESC
LIMIT ? OFFSET ?
""".format(PREFIX, PREFIX)
GET_POSTS = """
SELECT * FROM `{}messages`
WHERE `id_topic`=?
ORDER BY `poster_time` ASC
LIMIT ? OFFSET ?
""".format(PREFIX)
DEFAULT_POSTS_PER_PAGE = 15
DEFAULT_THREADS_PER_PAGE = 2000
def fix_encoding (string):
return string.encode("latin1", errors="ignore").decode(errors="ignore")
class Forum():
def __init__ (self, db_path):
self.connection = sqlite3.connect(db_path)
self.connection.row_factory = sqlite3.Row
def get_board_tree (self):
categories = self.get_categories()
boards = self.get_boards()
for category in categories:
category.children = [child for child in boards if child.category == category.id and child.child_level == 0]
for board in boards:
board.children = [child for child in boards if child.parent_board == board.id]
return categories
def get_categories (self):
cursor = self.connection.cursor()
cursor.execute(GET_CATEGORIES)
return [Category(category) for category in cursor.fetchall()]
def get_boards (self):
cursor = self.connection.cursor()
cursor.execute(GET_BOARDS)
return [Board(board) for board in cursor.fetchall()]
def get_threads_in_board (self, board, page=0, per_page=DEFAULT_THREADS_PER_PAGE):
try:
board = board.id
except ValueError: pass
cursor = self.connection.cursor()
cursor.execute(GET_THREADS, (board, per_page, page * per_page))
return [Thread(thread) for thread in cursor.fetchall()]
def get_posts_in_thread (self, thread, page=0, per_page=DEFAULT_POSTS_PER_PAGE):
try:
thread = thread.id
except ValueError: pass
cursor = self.connection.cursor()
cursor.execute(GET_POSTS, (thread, per_page, page * per_page))
return [Post(post) for post in cursor.fetchall()]
class Category():
def __init__ (self, row):
self.id = row['id_cat']
self.name = fix_encoding(row['name'])
self.children = []
class Board():
def __init__ (self, row):
self.id = row['id_board']
self.category = row['id_cat']
self.parent_board = row['id_parent']
self.child_level = row['child_level']
self.name = fix_encoding(row['name'])
self.description = fix_encoding(row['description'])
self.children = []
class Thread():
def __init__ (self, row):
self.id = row['id_topic']
self.parent = row['id_board']
self.datetime = datetime.fromtimestamp(row['poster_time'])
self.subject = fix_encoding(row['subject'])
self.poster_name = fix_encoding(row['poster_name'])
self.num_replies = row['num_replies']
class Post():
def __init__ (self, row):
self.id = row['id_msg']
self.parent = row['id_topic']
self.datetime = datetime.fromtimestamp(row['poster_time'])
self.subject = fix_encoding(row['subject'])
self.body = fix_encoding(row['body'])
self.poster_name = fix_encoding(row['poster_name'])