Saving and fetching of documents

src/reducers/document.js

@@ -0,0 +1,63 @@
+import {
+  FETCH_DOCUMENT_PENDING,
+  FETCH_DOCUMENT_SUCCESS,
+  FETCH_DOCUMENT_FAILURE,
+
+  SAVE_DOCUMENT_PENDING,
+  SAVE_DOCUMENT_SUCCESS,
+  SAVE_DOCUMENT_FAILURE,
+} from 'actions/DocumentActions';
+
+const initialState = {
+  data: null,
+  error: null,
+  isLoading: false,
+}
+
+const doc = (state = initialState, action) => {
+  switch (action.type) {
+    case FETCH_DOCUMENT_PENDING: {
+        return {
+          ...state,
+          isLoading: true,
+        };
+      }
+    case FETCH_DOCUMENT_SUCCESS: {
+        return {
+          data: action.data,
+          isLoading: false,
+        };
+      }
+    case FETCH_DOCUMENT_FAILURE: {
+        return {
+          ...state,
+          error: action.error,
+          isLoading: false,
+        };
+      }
+
+    case SAVE_DOCUMENT_PENDING: {
+        return {
+          ...state,
+          isLoading: true,
+        };
+      }
+    case SAVE_DOCUMENT_SUCCESS: {
+        return {
+          data: action.date,
+          isLoading: false,
+        };
+      }
+    case SAVE_DOCUMENT_FAILURE: {
+        return {
+          ...state,
+          error: action.error,
+          isLoading: false,
+        };
+      }
+    default:
+      return state;
+  }
+};
+
+export default doc;