diff options
Diffstat (limited to 'content/repo_query.js')
| -rw-r--r-- | content/repo_query.js | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/content/repo_query.js b/content/repo_query.js deleted file mode 100644 index 5f1adda..0000000 --- a/content/repo_query.js +++ /dev/null @@ -1,140 +0,0 @@ -/** - * This file is part of Haketilo. - * - * Function: Getting available content for site from remote repositories. - * - * Copyright (C) 2021 Wojtek Kosior - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * As additional permission under GNU GPL version 3 section 7, you - * may distribute forms of that code without the copy of the GNU - * GPL normally required by section 4, provided you include this - * license notice and, in case of non-source distribution, a URL - * through which recipients can access the Corresponding Source. - * If you modify file(s) with this exception, you may extend this - * exception to your version of the file(s), but you are not - * obligated to do so. If you do not wish to do so, delete this - * exception statement from your version. - * - * As a special exception to the GPL, any HTML file which merely - * makes function calls to this code, and for that purpose - * includes it by reference shall be deemed a separate work for - * copyright law purposes. If you modify this code, you may extend - * this exception to your version of the code, but you are not - * obligated to do so. If you do not wish to do so, delete this - * exception statement from your version. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <https://www.gnu.org/licenses/>. - * - * I, Wojtek Kosior, thereby promise not to sue for violation of this file's - * license. Although I request that you do not make use of this code in a - * proprietary program, I am not going to enforce this in court. - */ - -#IMPORT common/observables.js - -#FROM common/ajax.js IMPORT make_ajax_request -#FROM common/stored_types.js IMPORT TYPE_PREFIX -#FROM common/sanitize_JSON.js IMPORT parse_json_with_schema -#FROM common/misc.js IMPORT matchers - -const paths = { - [TYPE_PREFIX.PAGE]: "/pattern", - [TYPE_PREFIX.BAG]: "/bag", - [TYPE_PREFIX.SCRIPT]: "/script", - [TYPE_PREFIX.URL]: "/query" -}; - -const queried_items = new Map(); -const observable = observables.make(); - -function repo_query(prefix, item, repo_urls) -{ - const key = prefix + item; - - const results = queried_items.get(key) || {}; - queried_items.set(key, results); - - for (const repo_url of repo_urls) - perform_query_against(key, repo_url, results); -} -#EXPORT repo_query AS query - -const page_schema = { - pattern: matchers.nonempty_string, - payload: ["optional", matchers.component, "default", undefined] -}; -const bag_schema = { - name: matchers.nonempty_string, - components: ["optional", [matchers.component, "repeat"], "default", []] -}; -const script_schema = { - name: matchers.nonempty_string, - location: matchers.nonempty_string, - sha256: matchers.sha256, -}; -const search_result_schema = [page_schema, "repeat"]; - -const schemas = { - [TYPE_PREFIX.PAGE]: page_schema, - [TYPE_PREFIX.BAG]: bag_schema, - [TYPE_PREFIX.SCRIPT]: script_schema, - [TYPE_PREFIX.URL]: search_result_schema -} - -async function perform_query_against(key, repo_url, results) -{ - if (results[repo_url] !== undefined) - return; - - const prefix = key[0]; - const item = key.substring(1); - const result = {state: "started"}; - results[repo_url] = result; - - const broadcast_msg = {prefix, item, results: {[repo_url]: result}}; - observables.broadcast(observable, broadcast_msg); - - let state = "connection_error"; - const query_url = - `${repo_url}${paths[prefix]}?n=${encodeURIComponent(item)}`; - - try { - let xhttp = await make_ajax_request("GET", query_url); - if (xhttp.status === 200) { - state = "parse_error"; - result.response = - parse_json_with_schema(schemas[prefix], xhttp.responseText); - state = "completed"; - } - } catch (e) { - console.log(e); - } - - result.state = state; - observables.broadcast(observable, broadcast_msg); -} - -function subscribe_results(cb) -{ - observables.subscribe(observable, cb); - for (const [key, results] of queried_items.entries()) - cb({prefix: key[0], item: key.substring(1), results}); -} -#EXPORT subscribe_results - -function unsubscribe_results(cb) -{ - observables.unsubscribe(observable, cb); -} -#EXPORT unsubscribe_results |