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path: root/Biz/PodcastItLater/Admin/Handlers.py
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"""
PodcastItLater Admin Handlers.

Route handlers for admin actions.
"""

# : out podcastitlater-admin-handlers
# : dep ludic
# : dep starlette
import Biz.PodcastItLater.Admin.Views as Views
import Biz.PodcastItLater.Core as Core
import ludic.html as html
from ludic.web import Request
from ludic.web.datastructures import FormData
from ludic.web.responses import Response


def admin_queue_status(
    request: Request,
) -> Views.AdminView | Response | html.div:
    """Return admin view showing all queue items and episodes."""
    # Check if user is logged in
    user_id = request.session.get("user_id")
    if not user_id:
        # Redirect to login
        return Response(
            "",
            status_code=302,
            headers={"Location": "/"},
        )

    user = Core.Database.get_user_by_id(
        user_id,
    )
    if not user:
        # Invalid session
        return Response(
            "",
            status_code=302,
            headers={"Location": "/"},
        )

    # Check if user is admin
    if not Core.is_admin(user):
        # Forbidden - redirect to home with error
        return Response(
            "",
            status_code=302,
            headers={"Location": "/?error=forbidden"},
        )

    # Admins can see all data (excluding completed items)
    all_queue_items = [
        item
        for item in Core.Database.get_all_queue_items(None)
        if item.get("status") != "completed"
    ]
    all_episodes = Core.Database.get_all_episodes(
        None,
    )

    # Get overall status counts for all users
    status_counts: dict[str, int] = {}
    for item in all_queue_items:
        status = item.get("status", "unknown")
        status_counts[status] = status_counts.get(status, 0) + 1

    # Check if this is an HTMX request for auto-update
    if request.headers.get("HX-Request") == "true":
        # Return just the content div for HTMX updates
        content = Views.AdminView.render_content(
            all_queue_items,
            all_episodes,
            status_counts,
        )
        return html.div(
            content,
            hx_get="/admin",
            hx_trigger="every 10s",
            hx_swap="innerHTML",
        )

    return Views.AdminView(
        queue_items=all_queue_items,
        episodes=all_episodes,
        status_counts=status_counts,
        user=user,
    )


def retry_queue_item(request: Request, job_id: int) -> Response:
    """Retry a failed queue item."""
    try:
        # Check if user owns this job or is admin
        user_id = request.session.get("user_id")
        if not user_id:
            return Response("Unauthorized", status_code=401)

        job = Core.Database.get_job_by_id(
            job_id,
        )
        if job is None:
            return Response("Job not found", status_code=404)

        # Check ownership or admin status
        user = Core.Database.get_user_by_id(user_id)
        if job.get("user_id") != user_id and not Core.is_admin(user):
            return Response("Forbidden", status_code=403)

        Core.Database.retry_job(job_id)

        # Check if request is from admin page via referer header
        is_from_admin = "/admin" in request.headers.get("referer", "")

        # Redirect to admin if from admin page, trigger update otherwise
        if is_from_admin:
            return Response(
                "",
                status_code=200,
                headers={"HX-Redirect": "/admin"},
            )
        return Response(
            "",
            status_code=200,
            headers={"HX-Trigger": "queue-updated"},
        )
    except (ValueError, KeyError) as e:
        return Response(
            f"Error retrying job: {e!s}",
            status_code=500,
        )


def delete_queue_item(request: Request, job_id: int) -> Response:
    """Delete a queue item."""
    try:
        # Check if user owns this job or is admin
        user_id = request.session.get("user_id")
        if not user_id:
            return Response("Unauthorized", status_code=401)

        job = Core.Database.get_job_by_id(
            job_id,
        )
        if job is None:
            return Response("Job not found", status_code=404)

        # Check ownership or admin status
        user = Core.Database.get_user_by_id(user_id)
        if job.get("user_id") != user_id and not Core.is_admin(user):
            return Response("Forbidden", status_code=403)

        Core.Database.delete_job(job_id)

        # Check if request is from admin page via referer header
        is_from_admin = "/admin" in request.headers.get("referer", "")

        # Redirect to admin if from admin page, trigger update otherwise
        if is_from_admin:
            return Response(
                "",
                status_code=200,
                headers={"HX-Redirect": "/admin"},
            )
        return Response(
            "",
            status_code=200,
            headers={"HX-Trigger": "queue-updated"},
        )
    except (ValueError, KeyError) as e:
        return Response(
            f"Error deleting job: {e!s}",
            status_code=500,
        )


def admin_users(request: Request) -> Views.AdminUsers | Response:
    """Admin page for managing users."""
    # Check if user is logged in and is admin
    user_id = request.session.get("user_id")
    if not user_id:
        return Response(
            "",
            status_code=302,
            headers={"Location": "/"},
        )

    user = Core.Database.get_user_by_id(
        user_id,
    )
    if not user or not Core.is_admin(user):
        return Response(
            "",
            status_code=302,
            headers={"Location": "/?error=forbidden"},
        )

    # Get all users
    with Core.Database.get_connection() as conn:
        cursor = conn.cursor()
        cursor.execute(
            "SELECT id, email, created_at, status FROM users "
            "ORDER BY created_at DESC",
        )
        rows = cursor.fetchall()
        users = [dict(row) for row in rows]

    return Views.AdminUsers(users=users, user=user)


def update_user_status(
    request: Request,
    user_id: int,
    data: FormData,
) -> Response:
    """Update user account status."""
    # Check if user is logged in and is admin
    session_user_id = request.session.get("user_id")
    if not session_user_id:
        return Response("Unauthorized", status_code=401)

    user = Core.Database.get_user_by_id(
        session_user_id,
    )
    if not user or not Core.is_admin(user):
        return Response("Forbidden", status_code=403)

    # Get new status from form data
    new_status_raw = data.get("status", "pending")
    new_status = (
        new_status_raw if isinstance(new_status_raw, str) else "pending"
    )
    if new_status not in {"pending", "active", "disabled"}:
        return Response("Invalid status", status_code=400)

    # Update user status
    Core.Database.update_user_status(
        user_id,
        new_status,
    )

    # Redirect back to users page
    return Response(
        "",
        status_code=200,
        headers={"HX-Redirect": "/admin/users"},
    )


def toggle_episode_public(request: Request, episode_id: int) -> Response:
    """Toggle episode public/private status."""
    # Check if user is logged in and is admin
    session_user_id = request.session.get("user_id")
    if not session_user_id:
        return Response("Unauthorized", status_code=401)

    user = Core.Database.get_user_by_id(
        session_user_id,
    )
    if not user or not Core.is_admin(user):
        return Response("Forbidden", status_code=403)

    # Toggle the episode public status
    Core.Database.toggle_episode_public(episode_id)

    # Redirect back to admin
    return Response(
        "",
        status_code=200,
        headers={"HX-Redirect": "/admin"},
    )


def admin_metrics(request: Request) -> Views.MetricsDashboard | Response:
    """Admin metrics dashboard."""
    # Check if user is logged in and is admin
    user_id = request.session.get("user_id")
    if not user_id:
        return Response(
            "",
            status_code=302,
            headers={"Location": "/"},
        )

    user = Core.Database.get_user_by_id(
        user_id,
    )
    if not user or not Core.is_admin(user):
        return Response(
            "",
            status_code=302,
            headers={"Location": "/?error=forbidden"},
        )

    # Get metrics data
    metrics = Core.Database.get_metrics_summary()

    return Views.MetricsDashboard(metrics=metrics, user=user)