1 files changed, 80 insertions, 0 deletions
diff --git a/content/repo_query.js b/content/repo_query.js
new file mode 100644
index 0000000..b8c8ed9
--- /dev/null
+++ b/content/repo_query.js
@@ -0,0 +1,80 @@
+/**
+ * part of Hachette
+ * Getting available content for site from remote repositories.
+ *
+ * Copyright (C) 2021 Wojtek Kosior
+ * Redistribution terms are gathered in the `copyright' file.
+ */
+
+/*
+ * IMPORTS_START
+ * IMPORT make_ajax_request
+ * IMPORTS_END
+ */
+
+var query_started = false;
+
+var url = undefined;
+var repos = undefined;
+var callback = undefined;
+
+async function query(repo)
+{
+    const [repo_url, data] = repo;
+
+    let response = "Query failed";
+    const query_url = `${repo_url}/query?n=${encodeURIComponent(url)}`;
+
+    try {
+	let xhttp = await make_ajax_request("GET", query_url);
+	if (xhttp.status === 200)
+	    response = xhttp.responseText;
+	console.log(xhttp);
+    } catch (e) {
+	console.log(e);
+    }
+
+    callback([repo_url, response]);
+}
+
+function start_query()
+{
+    if (query_started || !url || !repos || !callback)
+	return;
+
+    query_started = true;
+
+    console.log(`about to query ${url} from ${repos}`);
+
+    for (const repo of repos)
+	query(repo);
+}
+
+function set_repo_query_url(_url)
+{
+    url = _url;
+
+    start_query();
+}
+
+function set_repo_query_repos(_repos)
+{
+    repos = _repos;
+
+    start_query();
+}
+
+function set_repo_query_callback(_callback)
+{
+    callback = _callback;
+
+    start_query();
+}
+
+/*
+ * EXPORTS_START
+ * EXPORT set_repo_query_url
+ * EXPORT set_repo_query_repos
+ * EXPORT set_repo_query_callback
+ * EXPORTS_END
+ */