WIP: torrent manipulation logic

Reporter_TorrentsManipulation.py

@@ -0,0 +1,337 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from datetime import datetime, timedelta
+
+import pymysql
+import qbittorrentapi
+import bencodepy
+
+from EmailMessagingGraph import send_mail
+
+
+# ==============================
+# ⚙ CONFIGURATION
+# ==============================
+
+DB_CONFIG = {
+    "host": "192.168.1.76",
+    "port": 3307,
+    "user": "root",
+    "password": "Vlado9674+",
+    "database": "torrents",
+    "charset": "utf8mb4",
+    "autocommit": True,
+}
+
+QBT_CONFIG = {
+    "host": "192.168.1.76",
+    "port": 8080,
+    "username": "admin",
+    "password": "adminadmin",
+}
+
+MAX_ACTIVE_DOWNLOADS = 10
+DEAD_TORRENT_MINUTES = 5
+DEFAULT_SAVE_PATH = None
+
+MAIL_TO = "vladimir.buzalka@buzalka.cz"
+
+MAX_LIST_ITEMS = 50  # cap lists in email
+
+
+# ==============================
+# 🧮 RUNTIME STATS + LISTS
+# ==============================
+
+RUN_START = datetime.now()
+
+stat_synced = 0
+stat_completed = 0
+stat_dead = 0
+stat_enqueued = 0
+
+deleted_completed = []  # list[str]
+deleted_dead = []       # list[str]
+added_new = []          # list[str]
+active_downloading = [] # list[str]
+
+
+# ==============================
+# 🔧 CONNECT
+# ==============================
+
+db = pymysql.connect(**DB_CONFIG)
+cursor = db.cursor(pymysql.cursors.DictCursor)
+
+qb = qbittorrentapi.Client(**QBT_CONFIG)
+
+try:
+    qb.auth_log_in()
+    print("✅ Connected to qBittorrent.")
+except Exception as e:
+    raise SystemExit(f"❌ Could not connect to qBittorrent: {e}")
+
+
+# ==============================
+# 🧪 TORRENT VALIDATION
+# ==============================
+
+def is_valid_torrent(blob: bytes) -> bool:
+    try:
+        data = bencodepy.decode(blob)
+        return isinstance(data, dict) and b"info" in data
+    except Exception:
+        return False
+
+
+# ==============================
+# 🔄 SYNC FROM QB → DB
+# ==============================
+
+def sync_qb_to_db():
+    global stat_synced
+
+    torrents = qb.torrents_info()
+    stat_synced = len(torrents)
+
+    for t in torrents:
+        completion_dt = None
+        if getattr(t, "completion_on", 0):
+            try:
+                completion_dt = datetime.fromtimestamp(t.completion_on)
+            except Exception:
+                pass
+
+        cursor.execute("""
+            UPDATE torrents
+            SET qb_added = 1,
+                qb_hash = COALESCE(qb_hash, %s),
+                qb_state = %s,
+                qb_progress = %s,
+                qb_savepath = %s,
+                qb_completed_datetime =
+                    IF(%s IS NOT NULL AND qb_completed_datetime IS NULL, %s, qb_completed_datetime),
+                qb_last_update = NOW()
+            WHERE qb_hash = %s OR torrent_hash = %s
+        """, (
+            t.hash,
+            t.state,
+            float(t.progress) * 100.0,
+            getattr(t, "save_path", None),
+            completion_dt,
+            completion_dt,
+            t.hash,
+            t.hash,
+        ))
+
+
+# ==============================
+# 🧹 HANDLE COMPLETED + DEAD
+# ==============================
+
+def handle_completed_and_dead():
+    global stat_completed, stat_dead
+
+    torrents = qb.torrents_info()
+
+    for t in torrents:
+        t_hash = t.hash
+        state = t.state
+        progress = float(t.progress)
+
+        # ✔ COMPLETED
+        if progress >= 1.0 or state in {"completed", "uploading", "stalledUP", "queuedUP"}:
+            stat_completed += 1
+            deleted_completed.append(t.name)
+
+            try:
+                qb.torrents_delete(torrent_hashes=t_hash, delete_files=False)
+            except Exception as e:
+                # keep name in report; just note error in DB state if you want later
+                print(f"⚠️ delete (keep data) failed for {t.name}: {e}")
+
+            cursor.execute("""
+                UPDATE torrents
+                SET qb_state='completed',
+                    qb_progress=100,
+                    qb_completed_datetime=NOW(),
+                    qb_last_update=NOW()
+                WHERE qb_hash=%s OR torrent_hash=%s
+            """, (t_hash, t_hash))
+            continue
+
+        # ❌ DEAD (never seen_complete)
+        try:
+            props = qb.torrents_properties(t_hash)
+        except Exception:
+            continue
+
+        if getattr(props, "last_seen", 0) == -1:
+            added_dt = getattr(t, "added_on", 0)
+            if added_dt:
+                if datetime.now() - datetime.fromtimestamp(added_dt) > timedelta(minutes=DEAD_TORRENT_MINUTES):
+                    stat_dead += 1
+                    deleted_dead.append(t.name)
+
+                    try:
+                        qb.torrents_delete(torrent_hashes=t_hash, delete_files=True)
+                    except Exception as e:
+                        print(f"⚠️ delete (files) failed for {t.name}: {e}")
+
+                    cursor.execute("""
+                        UPDATE torrents
+                        SET qb_state='dead',
+                            qb_last_update=NOW()
+                        WHERE qb_hash=%s OR torrent_hash=%s
+                    """, (t_hash, t_hash))
+
+
+# ==============================
+# 📊 ACTIVE DOWNLOADS
+# ==============================
+
+def count_active_downloads():
+    return sum(1 for t in qb.torrents_info() if float(t.progress) < 1.0)
+
+
+def snapshot_active_downloading():
+    """
+    Capture current actively downloading torrents (progress < 100%).
+    """
+    active = []
+    for t in qb.torrents_info():
+        prog = float(t.progress)
+        if prog < 1.0:
+            active.append(f"{t.name} — {prog*100:.1f}% — {t.state}")
+    return sorted(active)
+
+
+# ==============================
+# ➕ ENQUEUE NEW TORRENTS
+# ==============================
+
+def enqueue_new_torrents():
+    global stat_enqueued
+
+    active = count_active_downloads()
+    if active >= MAX_ACTIVE_DOWNLOADS:
+        return
+
+    slots = MAX_ACTIVE_DOWNLOADS - active
+
+    cursor.execute("""
+        SELECT id, torrent_hash, torrent_content, torrent_filename
+        FROM torrents
+        WHERE (qb_added IS NULL OR qb_added = 0)
+          AND torrent_content IS NOT NULL
+        ORDER BY added_datetime DESC
+        LIMIT %s
+    """, (slots,))
+
+    for row in cursor.fetchall():
+        blob = row["torrent_content"]
+        if not blob:
+            continue
+
+        if not is_valid_torrent(blob):
+            cursor.execute("""
+                UPDATE torrents
+                SET qb_state='invalid',
+                    torrent_content=NULL,
+                    qb_last_update=NOW()
+                WHERE id=%s
+            """, (row["id"],))
+            continue
+
+        # ➕ Add torrent
+        try:
+            qb.torrents_add(torrent_files=blob, savepath=DEFAULT_SAVE_PATH)
+        except Exception as e:
+            print(f"❌ Failed to add {row['torrent_hash']}: {e}")
+            continue
+
+        stat_enqueued += 1
+        added_new.append(row.get("torrent_filename") or row["torrent_hash"])
+
+        cursor.execute("""
+            UPDATE torrents
+            SET qb_added=1,
+                qb_hash=COALESCE(qb_hash, %s),
+                qb_state='added',
+                qb_last_update=NOW()
+            WHERE id=%s
+        """, (row["torrent_hash"], row["id"]))
+
+
+# ==============================
+# ✉️ EMAIL HELPERS
+# ==============================
+
+def format_list(title: str, items: list[str]) -> list[str]:
+    lines = []
+    if not items:
+        return [f"{title}: (none)"]
+
+    lines.append(f"{title}: {len(items)}")
+    shown = items[:MAX_LIST_ITEMS]
+    for it in shown:
+        lines.append(f"  - {it}")
+    if len(items) > MAX_LIST_ITEMS:
+        lines.append(f"  ... (+{len(items) - MAX_LIST_ITEMS} more)")
+    return lines
+
+
+# ==============================
+# 🏁 MAIN (ONE RUN)
+# ==============================
+
+print("🚀 QB worker run started")
+
+try:
+    sync_qb_to_db()
+    handle_completed_and_dead()
+    enqueue_new_torrents()
+
+    # Snapshot after enqueue/deletions, so email reflects end-state
+    active_downloading = snapshot_active_downloading()
+
+finally:
+    db.close()
+
+
+# ==============================
+# 📧 EMAIL REPORT
+# ==============================
+
+RUN_END = datetime.now()
+
+body_lines = [
+    f"Run started : {RUN_START:%Y-%m-%d %H:%M:%S}",
+    f"Run finished: {RUN_END:%Y-%m-%d %H:%M:%S}",
+    "",
+    f"QB torrents synced : {stat_synced}",
+    f"Completed removed  : {stat_completed}",
+    f"Dead removed       : {stat_dead}",
+    f"New torrents added : {stat_enqueued}",
+    f"Active downloads   : {sum(1 for _ in active_downloading)}",
+    "",
+]
+
+body_lines += format_list("Deleted (completed, kept data)", deleted_completed)
+body_lines.append("")
+body_lines += format_list("Deleted (dead, deleted files)", deleted_dead)
+body_lines.append("")
+body_lines += format_list("Newly added to qBittorrent", added_new)
+body_lines.append("")
+body_lines += format_list("Actively downloading now", active_downloading)
+
+send_mail(
+    to=MAIL_TO,
+    subject=f"qBittorrent worker – {RUN_START:%Y-%m-%d %H:%M}",
+    body="\n".join(body_lines),
+    html=False,
+)
+
+print("📧 Email report sent")
+print("🎉 DONE")