1 files changed, 73 insertions, 0 deletions
diff --git a/src/settings/actions/setting.ts b/src/settings/actions/setting.ts
new file mode 100644
index 0000000..9eb416e
--- /dev/null
+++ b/src/settings/actions/setting.ts
@@ -0,0 +1,73 @@
+import * as actions from './index';
+import * as storages from '../storage';
+import SettingData, {
+  JSONSettings, FormSettings, SettingSource,
+} from '../../shared/SettingData';
+
+const load = async(): Promise<actions.SettingAction> => {
+  let data = await storages.load();
+  return set(data);
+};
+
+const save = async(data: SettingData): Promise<actions.SettingAction> => {
+  try {
+    if (data.getSource() === SettingSource.JSON) {
+      // toSettings exercise validation
+      data.toSettings();
+    }
+  } catch (e) {
+    return {
+      type: actions.SETTING_SHOW_ERROR,
+      error: e.toString(),
+      json: data.getJSON(),
+    };
+  }
+  await storages.save(data);
+  return set(data);
+};
+
+const switchToForm = (json: JSONSettings): actions.SettingAction => {
+  try {
+    // toSettings exercise validation
+    let form = FormSettings.fromSettings(json.toSettings());
+    return {
+      type: actions.SETTING_SWITCH_TO_FORM,
+      form,
+    };
+  } catch (e) {
+    return {
+      type: actions.SETTING_SHOW_ERROR,
+      error: e.toString(),
+      json,
+    };
+  }
+};
+
+const switchToJson = (form: FormSettings): actions.SettingAction => {
+  let json = JSONSettings.fromSettings(form.toSettings());
+  return {
+    type: actions.SETTING_SWITCH_TO_JSON,
+    json,
+  };
+};
+
+const set = (data: SettingData): actions.SettingAction => {
+  let source = data.getSource();
+  switch (source) {
+  case SettingSource.JSON:
+    return {
+      type: actions.SETTING_SET_SETTINGS,
+      source: source,
+      json: data.getJSON(),
+    };
+  case SettingSource.Form:
+    return {
+      type: actions.SETTING_SET_SETTINGS,
+      source: source,
+      form: data.getForm(),
+    };
+  }
+  throw new Error(`unknown source: ${source}`);
+};
+
+export { load, save, set, switchToForm, switchToJson };