feat: AR-GPS initial commit — Python + JavaScript PyQt5 (standalone desktop app) + FastAPI (charts REST router) + OpenLayers (frontend map)

backend/database.py

@@ -0,0 +1,160 @@
+"""SQLite persistence for waypoints and routes."""
+import sqlite3, json, uuid
+from pathlib import Path
+from datetime import datetime, timezone
+
+
+def _conn(db_path: Path):
+    con = sqlite3.connect(db_path)
+    con.row_factory = sqlite3.Row
+    return con
+
+
+def init_db(db_path: Path):
+    db_path.parent.mkdir(parents=True, exist_ok=True)
+    con = _conn(db_path)
+    con.executescript("""
+        CREATE TABLE IF NOT EXISTS waypoints (
+            id         TEXT PRIMARY KEY,
+            name       TEXT NOT NULL,
+            lat        REAL NOT NULL,
+            lon        REAL NOT NULL,
+            notes      TEXT,
+            mark_type  TEXT DEFAULT '',
+            locked     INTEGER DEFAULT 0,
+            created_at TEXT
+        );
+        CREATE TABLE IF NOT EXISTS routes (
+            id          TEXT PRIMARY KEY,
+            name        TEXT NOT NULL,
+            wpt_ids     TEXT NOT NULL,   -- JSON array of waypoint ids in order
+            created_at  TEXT
+        );
+        CREATE TABLE IF NOT EXISTS track_log (
+            id         INTEGER PRIMARY KEY AUTOINCREMENT,
+            lat        REAL,
+            lon        REAL,
+            sog        REAL,
+            cog        REAL,
+            alt        REAL,
+            hdop       REAL,
+            ts         TEXT
+        );
+    """)
+    con.commit()
+    # Migration: add mark_type column to existing DBs that don't have it
+    try:
+        con.execute("ALTER TABLE waypoints ADD COLUMN mark_type TEXT DEFAULT ''")
+        con.commit()
+    except Exception:
+        pass   # column already exists
+    try:
+        con.execute("ALTER TABLE waypoints ADD COLUMN locked INTEGER DEFAULT 0")
+        con.commit()
+    except Exception:
+        pass
+    con.close()
+
+
+# ── Waypoints ─────────────────────────────────────────────────────────────────
+
+def get_waypoints(db_path: Path) -> list:
+    con = _conn(db_path)
+    rows = con.execute("SELECT * FROM waypoints ORDER BY created_at").fetchall()
+    con.close()
+    return [dict(r) for r in rows]
+
+
+def save_waypoint(db_path: Path, data: dict) -> dict:
+    wid = data.get("id") or str(uuid.uuid4())[:8].upper()
+    now = datetime.now(timezone.utc).isoformat()
+    con = _conn(db_path)
+    con.execute("""
+        INSERT INTO waypoints (id, name, lat, lon, notes, mark_type, locked, created_at)
+        VALUES (?,?,?,?,?,?,?,?)
+        ON CONFLICT(id) DO UPDATE SET
+            name=excluded.name, lat=excluded.lat, lon=excluded.lon,
+            notes=excluded.notes, mark_type=excluded.mark_type,
+            locked=excluded.locked
+    """, (wid, data["name"], data["lat"], data["lon"],
+          data.get("notes", ""), data.get("mark_type", ""),
+          int(data.get("locked", 0)),
+          data.get("created_at", now)))
+    con.commit()
+    con.close()
+    return {**data, "id": wid, "created_at": now}
+
+
+def delete_waypoint(db_path: Path, wid: str):
+    con = _conn(db_path)
+    con.execute("DELETE FROM waypoints WHERE id=?", (wid,))
+    con.commit()
+    con.close()
+
+
+# ── Routes ────────────────────────────────────────────────────────────────────
+
+def get_routes(db_path: Path) -> list:
+    con = _conn(db_path)
+    rows = con.execute("SELECT * FROM routes ORDER BY created_at").fetchall()
+    con.close()
+    result = []
+    for r in rows:
+        d = dict(r)
+        d["wpt_ids"] = json.loads(d["wpt_ids"])
+        result.append(d)
+    return result
+
+
+def save_route(db_path: Path, data: dict) -> dict:
+    rid = data.get("id") or str(uuid.uuid4())[:8].upper()
+    now = datetime.now(timezone.utc).isoformat()
+    con = _conn(db_path)
+    con.execute("""
+        INSERT INTO routes (id, name, wpt_ids, created_at)
+        VALUES (?,?,?,?)
+        ON CONFLICT(id) DO UPDATE SET
+            name=excluded.name, wpt_ids=excluded.wpt_ids
+    """, (rid, data["name"], json.dumps(data.get("wpt_ids", [])),
+          data.get("created_at", now)))
+    con.commit()
+    con.close()
+    return {**data, "id": rid, "wpt_ids": data.get("wpt_ids", []), "created_at": now}
+
+
+def delete_route(db_path: Path, rid: str):
+    con = _conn(db_path)
+    con.execute("DELETE FROM routes WHERE id=?", (rid,))
+    con.commit()
+    con.close()
+
+
+# ── Track log ─────────────────────────────────────────────────────────────────
+
+def log_position(db_path: Path, fix: dict):
+    con = _conn(db_path)
+    con.execute(
+        "INSERT INTO track_log (lat,lon,sog,cog,alt,hdop,ts) VALUES (?,?,?,?,?,?,?)",
+        (fix.get("lat"), fix.get("lon"), fix.get("sog"), fix.get("cog"),
+         fix.get("altitude"), fix.get("hdop"),
+         datetime.now(timezone.utc).isoformat())
+    )
+    con.commit()
+    con.close()
+
+
+def get_track(db_path: Path, limit: int = 2000) -> list:
+    con = _conn(db_path)
+    rows = con.execute(
+        "SELECT lat,lon,sog,cog,alt,hdop,ts FROM track_log ORDER BY id DESC LIMIT ?",
+        (limit,)
+    ).fetchall()
+    con.close()
+    return [dict(r) for r in reversed(rows)]
+
+
+def clear_track(db_path: Path):
+    con = _conn(db_path)
+    con.execute("DELETE FROM track_log")
+    con.commit()
+    con.close()