feat(server): modularize backend and admin console

app/repositories/app_channel_repository.py

@@ -0,0 +1,93 @@
+import db
+
+
+DEFAULT_CHANNELS = [
+    ("stable", "正式版", 1, 10),
+    ("preview", "预览版", 1, 20),
+    ("dev", "开发版", 1, 30),
+]
+
+
+def list_apps() -> list[dict]:
+    conn = db.get_conn()
+    rows = conn.execute("SELECT app_id, app_name FROM apps").fetchall()
+    conn.close()
+    return [{"app_id": row["app_id"], "app_name": row["app_name"]} for row in rows]
+
+
+def add_app_with_default_channels(app_id: str, app_name: str):
+    conn = db.get_conn()
+    try:
+        conn.execute("INSERT INTO apps(app_id, app_name) VALUES (?, ?)", (app_id, app_name))
+        conn.executemany(
+            "INSERT INTO channels(app_id,channel_code,display_name,enabled,sort_order) VALUES(?,?,?,?,?)",
+            [(app_id, code, name, enabled, order) for code, name, enabled, order in DEFAULT_CHANNELS],
+        )
+        conn.commit()
+    except Exception:
+        conn.rollback()
+        raise
+    finally:
+        conn.close()
+
+
+def app_exists(app_id: str) -> bool:
+    conn = db.get_conn()
+    row = conn.execute("SELECT 1 FROM apps WHERE app_id=?", (app_id,)).fetchone()
+    conn.close()
+    return bool(row)
+
+
+def get_app(app_id: str):
+    conn = db.get_conn()
+    row = conn.execute("SELECT app_id, app_name FROM apps WHERE app_id=?", (app_id,)).fetchone()
+    conn.close()
+    return row
+
+
+def list_channels(app_id: str, include_disabled: bool = True) -> list[dict]:
+    conn = db.get_conn()
+    sql = (
+        "SELECT channel_code,display_name,enabled,sort_order FROM channels WHERE app_id=?"
+        + ("" if include_disabled else " AND enabled=1")
+        + " ORDER BY sort_order,channel_code"
+    )
+    rows = conn.execute(sql, (app_id,)).fetchall()
+    conn.close()
+    return [
+        {
+            "channel_code": row["channel_code"],
+            "display_name": row["display_name"],
+            "enabled": bool(row["enabled"]),
+            "sort_order": row["sort_order"],
+        }
+        for row in rows
+    ]
+
+
+def get_channel(app_id: str, channel: str):
+    conn = db.get_conn()
+    row = conn.execute("SELECT * FROM channels WHERE app_id=? AND channel_code=?", (app_id, channel)).fetchone()
+    conn.close()
+    return row
+
+
+def save_channel(app_id: str, code: str, name: str, enabled: bool, sort_order: int):
+    conn = db.get_conn()
+    try:
+        conn.execute(
+            """INSERT INTO channels(app_id,channel_code,display_name,enabled,sort_order)
+            VALUES(?,?,?,?,?)
+            ON CONFLICT(app_id,channel_code) DO UPDATE SET
+              display_name=excluded.display_name,
+              enabled=excluded.enabled,
+              sort_order=excluded.sort_order,
+              updated_at=datetime('now')""",
+            (app_id, code, name, int(enabled), sort_order),
+        )
+        conn.commit()
+    except Exception:
+        conn.rollback()
+        raise
+    finally:
+        conn.close()