From 1cf5e68c25c0505194f23d4018e29767d3b519dd Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Sat, 27 Feb 2021 17:14:38 -0700
Subject: fetch inboxes

---
 ctec/__init__.py | 17 +++++++++++++++++
 ctec/__main__.py | 20 ++++++++++++++++++++
 ctec/config.py   | 18 ++++++++++++++++++
 ctec/logic.py    | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 104 insertions(+)
 create mode 100644 ctec/config.py
 create mode 100644 ctec/logic.py

diff --git a/ctec/__init__.py b/ctec/__init__.py
index 9f109cb..4b91645 100644
--- a/ctec/__init__.py
+++ b/ctec/__init__.py
@@ -1 +1,18 @@
+import importlib
+import subprocess
+import sys
+
 VERSION = (1,0,0)
+
+def import_or_install(name, pypi_name=None):
+    if pypi_name is None:
+        pypi_name = name
+    try:
+        return importlib.import_module(name)
+    except ImportError:
+        try:
+            subprocess.check_call([sys.executable, '-m', 'pip', 'install', '--upgrade', pypi_name])
+        except subprocess.CalledProcessError:
+            subprocess.check_call([sys.executable, '-m', 'ensurepip'])
+            subprocess.check_call([sys.executable, '-m', 'pip', 'install', '--upgrade', pypi_name])
+        return importlib.import_module(name)
diff --git a/ctec/__main__.py b/ctec/__main__.py
index eff6138..8d01960 100644
--- a/ctec/__main__.py
+++ b/ctec/__main__.py
@@ -1,8 +1,11 @@
+import threading
 from tkinter import *
 from tkinter import messagebox
 from tkinter import ttk
 
 from . import VERSION
+from .config import get_config
+from .logic import Account
 
 class CtecFrame:
     def __init__(self, root: Tk):
@@ -14,6 +17,23 @@ class CtecFrame:
         root.columnconfigure(0, weight=1)
         root.rowconfigure(0, weight=1)
 
+        config = get_config()
+        self.accounts = [Account(address=section, info=config[section]) for section in config.sections() if '@' in section]
+        self.accounts_tree = ttk.Treeview(mainframe, columns=('unread', 'all'))
+        self.accounts_tree.column('unread', width=50, anchor=E)
+        self.accounts_tree.heading('unread', text='Unread')
+        self.accounts_tree.column('all', width=50, anchor=E)
+        self.accounts_tree.heading('all', text='All')
+        self.accounts_tree.grid(column=0, row=0, sticky=(N, W, E, S))
+        self.accounts_tree.insert('', 'end', 'all', text='All Accounts')
+        for account in self.accounts:
+            unread_count = sum(1 for message in account.inbox() if 'S' not in message.get_flags())
+            all_count = sum(1 for message in account.inbox())
+            self.accounts_tree.insert('', 'end', account.address, text=account.address, values=(unread_count, all_count))
+            threading.Thread(target=lambda: account.fetch_inbox()).start()
+
+        # self.messages =
+
         # create a menu bar
         self.make_menu_bar(root)
 
diff --git a/ctec/config.py b/ctec/config.py
new file mode 100644
index 0000000..471a5c2
--- /dev/null
+++ b/ctec/config.py
@@ -0,0 +1,18 @@
+import configparser
+import pathlib
+
+from . import import_or_install
+
+def get_config():
+    appdirs = import_or_install('appdirs')
+    config_dir = pathlib.Path(appdirs.user_config_dir(appname='ctec', appauthor=False))
+    config_file = config_dir / 'ctec.ini'
+    print(config_file)
+    config = configparser.ConfigParser()
+    config.read(config_file)
+    if len(config.sections()) == 0:
+        config['global'] = {'awesomeness': '69'}
+        config_dir.mkdir(parents=True, exist_ok=True)
+        with open(config_file, 'w') as config_file:
+            config.write(config_file)
+    return config
diff --git a/ctec/logic.py b/ctec/logic.py
new file mode 100644
index 0000000..7afd78a
--- /dev/null
+++ b/ctec/logic.py
@@ -0,0 +1,49 @@
+import imaplib
+import mailbox
+import pathlib
+import pprint
+import re
+
+from . import import_or_install
+
+mailbox.Maildir.colon = '!'
+
+FLAGS = re.compile(rb'FLAGS \(([^)]+?)\)')
+
+class Account:
+    def __init__(self, address: str, info: dict):
+        appdirs = import_or_install('appdirs')
+        data_dir = pathlib.Path(appdirs.user_data_dir(appname='ctec', appauthor=False))
+        self.address = address
+        self.mailbox = mailbox.Maildir(data_dir / address)
+        self.info = info
+
+    def fetch_inbox(self):
+        with imaplib.IMAP4_SSL(self.info['imap host']) as M:
+            M.login(self.address, self.info['password'])
+            try:
+                inbox = self.mailbox.get_folder('Inbox')
+            except mailbox.NoSuchMailboxError:
+                inbox = self.mailbox.add_folder('Inbox')
+            M.select()
+            typ, data = M.search(None, 'ALL')
+            for num in data[0].split():
+                typ, data = M.fetch(num, '(FLAGS RFC822)')
+                for prefix, message in data[:-1]:
+                    flags = FLAGS.search(prefix).group(1).split()
+                    print(flags)
+                    message = mailbox.MaildirMessage(message)
+                    if rb'\Seen' in flags:
+                        message.add_flag('S')
+                        message.set_subdir('cur')
+                    if 'Message-ID' in message:
+                        message_id = message['Message-ID'].strip()
+                    else:
+                        print(message)
+                        raise KeyError('No message ID header')
+                    if not any(x['Message-ID'].strip() == message_id for x in inbox):
+                        inbox.add(message)
+            M.close()
+
+    def inbox(self) -> mailbox.Maildir:
+        return self.mailbox.add_folder('Inbox')
-- 
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