1 files changed, 102 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/src/reducers/filters.js b/devtools/client/netmonitor/src/reducers/filters.js
new file mode 100644
index 0000000000..4635f6f94a
--- /dev/null
+++ b/devtools/client/netmonitor/src/reducers/filters.js
@@ -0,0 +1,102 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const {
+  ENABLE_REQUEST_FILTER_TYPE_ONLY,
+  TOGGLE_REQUEST_FILTER_TYPE,
+  SET_REQUEST_FILTER_TEXT,
+  FILTER_TAGS,
+} = require("resource://devtools/client/netmonitor/src/constants.js");
+
+function FilterTypes(overrideParams = {}) {
+  const allFilterTypes = ["all"].concat(FILTER_TAGS);
+  // filter only those keys which are valid filter tags
+  overrideParams = Object.keys(overrideParams)
+    .filter(key => allFilterTypes.includes(key))
+    .reduce((obj, key) => {
+      obj[key] = overrideParams[key];
+      return obj;
+    }, {});
+  const filterTypes = allFilterTypes.reduce(
+    (o, tag) => Object.assign(o, { [tag]: false }),
+    {}
+  );
+  return Object.assign({}, filterTypes, overrideParams);
+}
+
+function Filters(overrideParams = {}) {
+  return Object.assign(
+    {
+      requestFilterTypes: new FilterTypes({ all: true }),
+      requestFilterText: "",
+    },
+    overrideParams
+  );
+}
+
+function toggleRequestFilterType(state, action) {
+  const { filter } = action;
+  let newState;
+
+  // Ignore unknown filter type
+  if (!state.hasOwnProperty(filter)) {
+    return state;
+  }
+  if (filter === "all") {
+    return new FilterTypes({ all: true });
+  }
+
+  newState = { ...state };
+  newState.all = false;
+  newState[filter] = !state[filter];
+
+  if (!Object.values(newState).includes(true)) {
+    newState = new FilterTypes({ all: true });
+  }
+
+  return newState;
+}
+
+function enableRequestFilterTypeOnly(state, action) {
+  const { filter } = action;
+
+  // Ignore unknown filter type
+  if (!state.hasOwnProperty(filter)) {
+    return state;
+  }
+
+  return new FilterTypes({ [filter]: true });
+}
+
+function filters(state = new Filters(), action) {
+  state = { ...state };
+  switch (action.type) {
+    case ENABLE_REQUEST_FILTER_TYPE_ONLY:
+      state.requestFilterTypes = enableRequestFilterTypeOnly(
+        state.requestFilterTypes,
+        action
+      );
+      break;
+    case TOGGLE_REQUEST_FILTER_TYPE:
+      state.requestFilterTypes = toggleRequestFilterType(
+        state.requestFilterTypes,
+        action
+      );
+      break;
+    case SET_REQUEST_FILTER_TEXT:
+      state.requestFilterText = action.text;
+      break;
+    default:
+      break;
+  }
+  return state;
+}
+
+module.exports = {
+  FilterTypes,
+  Filters,
+  filters,
+};