Added last_fetch to avoid refetching older messages

app.py

@@ -4,6 +4,7 @@ import email.header
 import sqlite3
 import hashlib
 import time
+import datetime
 
 conn = sqlite3.connect("mailboxes.db")
 conn.row_factory = sqlite3.Row    
@@ -15,9 +16,15 @@ def connect(server, username, password, folder):
     c.select(folder, readonly=True)
     return c
 
-def mailbox(c, id):
+def mailbox(c, id, last_fetch):
+    today = datetime.datetime.today().strftime("%d-%b-%Y")
 
-    r, data = c.search(None, "ALL")
+    if last_fetch:
+        search_string = "(SINCE " + last_fetch + ")"
+    else:
+        search_string = "ALL"
+
+    r, data = c.search(None, search_string)
     for num in data[0].split():
         r, data = c.fetch(num, '(RFC822)')
         msg = email.message_from_string(data[0][1])
@@ -28,7 +35,6 @@ def mailbox(c, id):
 
     	print(subject)
 
-
     	sql.execute("SELECT * FROM mails WHERE mailid = ?", (mailid, ))
     	if sql.fetchone() != None:
     		continue
@@ -46,6 +52,7 @@ def mailbox(c, id):
                     sql.execute("UPDATE mails SET has_attachments = 1 WHERE mailid = ?", (mailid, ))
                     sql.execute("INSERT INTO attachments (mailid, filename) VALUES (?, ?)", (mailid, filename, ))
 
+        sql.execute("UPDATE accounts SET last_fetch = ? WHERE id = ?", (today, id,))
 
 
 
@@ -53,7 +60,7 @@ def main():
     sql.execute("SELECT * FROM accounts")
     accounts = sql.fetchall()
     for account in accounts:
-        mailbox(connect(account["server"], account["username"], account["password"], account["folder"]), account["id"])
+        mailbox(connect(account["server"], account["username"], account["password"], account["folder"]), account["id"], account["last_fetch"])
 
 main()
 

schema.sql

@@ -1,3 +1,3 @@
-CREATE TABLE "accounts" ( `id` INTEGER PRIMARY KEY AUTOINCREMENT, `server` TEXT, `username` TEXT, `password` TEXT, `folder` TEXT, `last_fetch` INTEGER );
+CREATE TABLE "accounts" ( `id` INTEGER PRIMARY KEY AUTOINCREMENT, `server` TEXT, `username` TEXT, `password` TEXT, `folder` TEXT, `last_fetch` TEXT );
 CREATE TABLE "attachments" ( `id` INTEGER PRIMARY KEY AUTOINCREMENT, `mailid` INTEGER, `filename` TEXT );
 CREATE TABLE "mails" ( `id` INTEGER PRIMARY KEY AUTOINCREMENT, `mailid` TEXT, `date` INTEGER, `from` TEXT, `to` TEXT, `subject` TEXT, `body` BLOB, `has_attachments` INTEGER, `account_id` INTEGER );