From d516b9decad07b940b3cd117fc4e353dd8bbe7d2 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <koszko@koszko.org>
Date: Wed, 24 Aug 2022 10:47:33 +0200
Subject: make repo packages (mappings) load as uninstalled; make them
 installable through the web UI

---
 src/hydrilla/proxy/web_ui/packages.py | 39 +++++++++++++++++++++++++++++++++--
 1 file changed, 37 insertions(+), 2 deletions(-)

(limited to 'src/hydrilla/proxy/web_ui/packages.py')

diff --git a/src/hydrilla/proxy/web_ui/packages.py b/src/hydrilla/proxy/web_ui/packages.py
index 85e5d00..ac8b480 100644
--- a/src/hydrilla/proxy/web_ui/packages.py
+++ b/src/hydrilla/proxy/web_ui/packages.py
@@ -132,15 +132,50 @@ def show_package(mapping_id: str) -> werkzeug.Response:
         flask.abort(404)
 
 @bp.route('/packages/viewversion/<string:mapping_version_id>')
-def show_package_version(mapping_version_id: str) -> werkzeug.Response:
+def show_package_version(
+        mapping_version_id: str,
+        errors:             t.Mapping[str, bool] = {}
+) -> werkzeug.Response:
     try:
         store = _app.get_haketilo_state().mapping_version_store()
         display_info = store.get(mapping_version_id).get_display_info()
 
         html = flask.render_template(
             'packages/show_single_version.html.jinja',
-            display_info = display_info
+            display_info = display_info,
+            **errors
         )
         return flask.make_response(html, 200)
     except st.MissingItemError:
         flask.abort(404)
+
+@bp.route('/packages/viewversion/<string:mapping_version_id>', methods=['POST'])
+def alter_package_version(mapping_version_id: str) -> werkzeug.Response:
+    form_data = flask.request.form
+    action = form_data['action']
+
+    try:
+        store = _app.get_haketilo_state().mapping_version_store()
+        mapping_version_ref = store.get(mapping_version_id)
+
+        if action == 'install_package':
+            mapping_version_ref.install()
+        elif action == 'uninstall_package':
+            mapping_version_ref.uninstall()
+            return flask.redirect(flask.url_for('.packages'))
+        else:
+            raise ValueError()
+    except st.ImpossibleSituation:
+        return show_package_version(
+            mapping_version_id,
+            {'uninstall_disallowed': True}
+        )
+    except st.MissingItemError:
+        flask.abort(404)
+
+    return flask.redirect(
+        flask.url_for(
+            '.show_package_version',
+            mapping_version_id = mapping_version_id
+        )
+    )
-- 
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