docbox-http 0.9.1

//! Admin related access and routes for managing tenants and document boxes

use crate::{
    error::{DynHttpError, HttpCommonError, HttpErrorResponse, HttpResult, HttpStatusResult},
    middleware::tenant::{TenantDb, TenantParams, TenantSearch, TenantStorage},
    models::admin::{
        HttpAdminError, TenantDocumentBoxesRequest, TenantDocumentBoxesResponse,
        TenantStatsResponse,
    },
};
use axum::{Extension, Json, extract::Path, http::StatusCode};
use axum_valid::Garde;
use docbox_core::{
    database::{
        DatabasePoolCache,
        models::{
            document_box::{DocumentBox, WithScope},
            file::File,
            folder::Folder,
            link::Link,
            user::User,
        },
        utils::DatabaseErrorExt,
    },
    document_box::search_document_box::{ResolvedSearchResult, search_document_boxes_admin},
    processing::ProcessingLayer,
    purge::purge_expired_presigned_tasks::purge_expired_presigned_tasks,
    search::models::{
        AdminSearchRequest, AdminSearchResultResponse, AdminUsersResults, SearchResultItem,
        UsersRequest,
    },
    storage::StorageLayerFactory,
    tenant::tenant_cache::TenantCache,
};
use std::sync::Arc;
use tokio::{join, try_join};

pub const ADMIN_TAG: &str = "Admin";

/// Admin Boxes
///
/// Requests a list of document boxes within the tenant optionally filtered to
/// a specific query with support for wildcards
#[utoipa::path(
    post,
    operation_id = "admin_tenant_boxes",
    tag = ADMIN_TAG,
    path = "/admin/boxes",
    responses(
        (status = 201, description = "Searched successfully", body = TenantDocumentBoxesResponse),
        (status = 400, description = "Malformed or invalid request not meeting validation requirements", body = HttpErrorResponse),
        (status = 500, description = "Internal server error", body = HttpErrorResponse)
    ),
    params(TenantParams)
)]
#[tracing::instrument(skip_all, fields(?req))]
pub async fn tenant_boxes(
    TenantDb(db): TenantDb,
    Garde(Json(req)): Garde<Json<TenantDocumentBoxesRequest>>,
) -> HttpResult<TenantDocumentBoxesResponse> {
    let offset = req.offset.unwrap_or(0);
    let limit = req.size.unwrap_or(100);

    let (document_boxes, total) = match req.query {
        Some(query) if !query.is_empty() => {
            // Adjust the query to be better suited for searching
            let mut query = query
                // Replace wildcards with the SQL wildcard version
                .replace("*", "%")
                // Escape underscore literal
                .replace("_", "\\_");

            let has_wildcard = query.chars().any(|char| matches!(char, '*' | '%'));

            // Query contains no wildcards, insert a wildcard at the end for prefix matching
            if !has_wildcard {
                query.push('%');
            }

            let document_boxes = DocumentBox::search_query(&db, &query, offset, limit as u64)
                .await
                .map_err(|error| {
                    tracing::error!(?error, "failed to query document boxes");
                    HttpCommonError::ServerError
                })?;

            let total = DocumentBox::search_total(&db, &query)
                .await
                .map_err(|error| {
                    tracing::error!(?error, "failed to query document boxes total");
                    HttpCommonError::ServerError
                })?;

            (document_boxes, total)
        }
        _ => {
            let document_boxes = DocumentBox::query(&db, offset, limit as u64)
                .await
                .map_err(|error| {
                    tracing::error!(?error, "failed to query document boxes");
                    HttpCommonError::ServerError
                })?;

            let total = DocumentBox::total(&db).await.map_err(|error| {
                tracing::error!(?error, "failed to query document boxes total");
                HttpCommonError::ServerError
            })?;

            (document_boxes, total)
        }
    };

    Ok(Json(TenantDocumentBoxesResponse {
        results: document_boxes,
        total,
    }))
}

/// Admin Stats
///
/// Requests stats about a tenant such as the total of each item type as
/// well as the total file size consumed
#[utoipa::path(
    get,
    operation_id = "admin_tenant_stats",
    tag = ADMIN_TAG,
    path = "/admin/tenant-stats",
    responses(
        (status = 201, description = "Got stats successfully", body = TenantStatsResponse),
        (status = 500, description = "Internal server error", body = HttpErrorResponse)
    ),
    params(TenantParams)
)]
#[tracing::instrument(skip_all)]
pub async fn tenant_stats(TenantDb(db): TenantDb) -> HttpResult<TenantStatsResponse> {
    let total_files_future = File::total_count(&db);
    let total_links_future = Link::total_count(&db);
    let total_folders_future = Folder::total_count(&db);
    let file_size_future = File::total_size(&db);

    let (total_files, total_links, total_folders, file_size) = join!(
        total_files_future,
        total_links_future,
        total_folders_future,
        file_size_future
    );

    let total_files = total_files.map_err(|error| {
        tracing::error!(?error, "failed to query tenant total files");
        HttpCommonError::ServerError
    })?;

    let total_links = total_links.map_err(|error| {
        tracing::error!(?error, "failed to query tenant total links");
        HttpCommonError::ServerError
    })?;

    let total_folders = total_folders.map_err(|error| {
        tracing::error!(?error, "failed to query tenant total folders");
        HttpCommonError::ServerError
    })?;

    let file_size = file_size.map_err(|error| {
        tracing::error!(?error, "failed to query tenant files size");
        HttpCommonError::ServerError
    })?;

    Ok(Json(TenantStatsResponse {
        total_files,
        total_folders,
        total_links,
        file_size,
    }))
}

/// Admin Search
///
/// Performs a search across multiple document box scopes. This
/// is an administrator route as unlike other routes we cannot
/// assert through the URL that the user has access to all the
/// scopes
#[utoipa::path(
    post,
    operation_id = "admin_search_tenant",
    tag = ADMIN_TAG,
    path = "/admin/search",
    responses(
        (status = 201, description = "Searched successfully", body = AdminSearchResultResponse),
        (status = 400, description = "Malformed or invalid request not meeting validation requirements", body = HttpErrorResponse),
        (status = 500, description = "Internal server error", body = HttpErrorResponse)
    ),
    params(TenantParams)
)]
#[tracing::instrument(skip_all, fields(?req))]
pub async fn search_tenant(
    TenantDb(db): TenantDb,
    TenantSearch(search): TenantSearch,
    Garde(Json(req)): Garde<Json<AdminSearchRequest>>,
) -> HttpResult<AdminSearchResultResponse> {
    // Not searching any scopes
    if req.scopes.is_empty() {
        return Ok(Json(AdminSearchResultResponse {
            total_hits: 0,
            results: vec![],
        }));
    }

    let resolved = search_document_boxes_admin(&db, &search, req)
        .await
        .map_err(|error| {
            tracing::error!(?error, "failed to perform admin search");
            HttpCommonError::ServerError
        })?;

    let out: Vec<WithScope<SearchResultItem>> = resolved
        .results
        .into_iter()
        .map(|ResolvedSearchResult { result, data, path }| WithScope {
            data: SearchResultItem {
                path,
                score: result.score,
                data,
                page_matches: result.page_matches,
                total_hits: result.total_hits,
                name_match: result.name_match,
                content_match: result.content_match,
            },
            scope: result.document_box,
        })
        .collect();

    Ok(Json(AdminSearchResultResponse {
        total_hits: resolved.total_hits,
        results: out,
    }))
}

/// Reprocess octet-stream files
///
/// Useful if a files were previously accepted into the tenant with some unknown
/// file type (or ingested through a source that was unable to get the correct mime).
///
/// Will reprocess files that have this unknown file type mime to see if a different
/// type can be obtained.
///
/// This endpoint is not supported on serverless
#[utoipa::path(
    post,
    operation_id = "admin_reprocess_octet_stream_files",
    tag = ADMIN_TAG,
    path = "/admin/reprocess-octet-stream-files",
    responses(
        (status = 204, description = "Reprocessed successfully", body = AdminSearchResultResponse),
        (status = 500, description = "Internal server error", body = HttpErrorResponse)
    ),
    params(TenantParams)
)]
#[tracing::instrument(skip_all)]
pub async fn reprocess_octet_stream_files_tenant(
    TenantDb(db): TenantDb,
    TenantSearch(search): TenantSearch,
    TenantStorage(storage): TenantStorage,
    Extension(processing): Extension<ProcessingLayer>,
) -> HttpStatusResult {
    docbox_core::files::reprocess_octet_stream_files::reprocess_octet_stream_files(
        &db,
        &search,
        &storage,
        &processing,
    )
    .await
    .map_err(|error| {
        tracing::error!(?error, "failed to reprocess octet-stream files");
        HttpCommonError::ServerError
    })?;

    Ok(StatusCode::NO_CONTENT)
}

/// Rebuild search index
///
/// Rebuild the tenant search index from the data stored in the database
/// and in storage
///
/// This endpoint is not supported on serverless
#[utoipa::path(
    post,
    operation_id = "admin_rebuild_search_index",
    tag = ADMIN_TAG,
    path = "/admin/rebuild-search-index",
    responses(
        (status = 204, description = "Rebuilt successfully", body = ()),
        (status = 500, description = "Internal server error", body = HttpErrorResponse)
    ),
    params(TenantParams)
)]
#[tracing::instrument(skip_all)]
pub async fn rebuild_search_index_tenant(
    TenantDb(db): TenantDb,
    TenantSearch(search): TenantSearch,
    TenantStorage(storage): TenantStorage,
) -> HttpStatusResult {
    docbox_core::tenant::rebuild_tenant_index::rebuild_tenant_index(&db, &search, &storage)
        .await
        .map_err(|error| {
            tracing::error!(?error, "failed to rebuilt tenant search index");
            HttpCommonError::ServerError
        })?;

    Ok(StatusCode::NO_CONTENT)
}

/// Flush database cache
///
/// Empties all the database pool and credentials caches, you can use this endpoint
/// if you rotate your database credentials to refresh the database pool without
/// needing to restart the server
#[utoipa::path(
    post,
    operation_id = "admin_flush_database_pool_cache",
    tag = ADMIN_TAG,
    path = "/admin/flush-db-cache",
    responses(
        (status = 204, description = "Database cache flushed"),
    )
)]
pub async fn flush_database_pool_cache(
    Extension(db_cache): Extension<Arc<DatabasePoolCache>>,
) -> HttpStatusResult {
    db_cache.flush().await;
    Ok(StatusCode::NO_CONTENT)
}

/// Flush tenant cache
///
/// Clears the tenant cache, you can use this endpoint if you've updated the
/// tenant configuration and want it to be applied immediately without
/// restarting the server
#[utoipa::path(
    post,
    operation_id = "admin_flush_tenant_cache",
    tag = ADMIN_TAG,
    path = "/admin/flush-tenant-cache",
    responses(
        (status = 204, description = "Tenant cache flushed"),
    )
)]
pub async fn flush_tenant_cache(
    Extension(tenant_cache): Extension<Arc<TenantCache>>,
) -> HttpStatusResult {
    tenant_cache.flush().await;
    Ok(StatusCode::NO_CONTENT)
}

/// Purge Presigned Tasks
///
/// Purges all expired presigned tasks, this operation deletes any presigned uploads
/// that have not yet been completed but have passed the expiration date
#[utoipa::path(
    post,
    operation_id = "admin_purge_expired_presigned_tasks",
    tag = ADMIN_TAG,
    path = "/admin/purge-expired-presigned-tasks",
    responses(
        (status = 204, description = "Database cache flushed"),
        (status = 500, description = "Failed to purge presigned cache", body = HttpErrorResponse),
    )
)]
pub async fn http_purge_expired_presigned_tasks(
    Extension(db_cache): Extension<Arc<DatabasePoolCache>>,
    Extension(storage_factory): Extension<StorageLayerFactory>,
) -> HttpStatusResult {
    purge_expired_presigned_tasks(db_cache, storage_factory)
        .await
        .map_err(|_| HttpCommonError::ServerError)?;

    Ok(StatusCode::NO_CONTENT)
}

/// List Users
///
/// Request lists of users stored in the docbox database
#[utoipa::path(
    post,
    operation_id = "admin_list_users",
    tag = ADMIN_TAG,
    path = "/admin/users",
    responses(
        (status = 200, description = "Listed users successfully", body = AdminSearchResultResponse),
        (status = 400, description = "Malformed or invalid request not meeting validation requirements", body = HttpErrorResponse),
        (status = 500, description = "Internal server error", body = HttpErrorResponse)
    ),
    params(TenantParams)
)]
#[tracing::instrument(skip_all, fields(?req))]
pub async fn list_users(
    TenantDb(db): TenantDb,
    Garde(Json(req)): Garde<Json<UsersRequest>>,
) -> HttpResult<AdminUsersResults> {
    let offset = req.offset.unwrap_or(0);
    let limit = req.size.unwrap_or(100) as u64;

    let total_future = User::total(&db);
    let results_future = User::query(&db, offset, limit);
    let (total, results) = try_join!(total_future, results_future).map_err(|error| {
        tracing::error!(?error, "failed to query users");
        HttpCommonError::ServerError
    })?;

    Ok(Json(AdminUsersResults { total, results }))
}

/// Delete User
///
/// Delete a user by ID, the user must not be associated with any resources
/// (Edit history or creation of resources)
#[utoipa::path(
    delete,
    operation_id = "admin_delete_user",
    tag = ADMIN_TAG,
    path = "/admin/users/{id}",
    responses(
        (status = 204, description = "Listed users successfully", body = AdminSearchResultResponse),
        (status = 400, description = "Malformed or invalid request not meeting validation requirements", body = HttpErrorResponse),
        (status = 500, description = "Internal server error", body = HttpErrorResponse)
    ),
    params(TenantParams)
)]
#[tracing::instrument(skip_all, fields(id))]
pub async fn delete_user(TenantDb(db): TenantDb, Path(id): Path<String>) -> HttpStatusResult {
    let user = User::find(&db, &id)
        .await
        .map_err(|error| {
            tracing::error!(?error, "failed to query user");
            HttpCommonError::ServerError
        })?
        .ok_or(HttpAdminError::UnknownUser)?;

    user.delete(&db).await.map_err(|error| {
        if error.is_restrict() {
            tracing::error!(
                ?error,
                "attempted to delete a user without first deleting attached resources"
            );
            DynHttpError::from(HttpAdminError::UserResourcesAttached)
        } else {
            tracing::error!(?error, "failed to delete user");
            DynHttpError::from(HttpCommonError::ServerError)
        }
    })?;

    Ok(StatusCode::NO_CONTENT)
}