Add base for loading lunr index

3 files changed, 70 insertions, 6 deletions

diff --git a/packages/gitbook-plugin-lunr/src/actions.js b/packages/gitbook-plugin-lunr/src/actions.js
new file mode 100644
index 0000000..8ead7ef
--- /dev/null
+++ b/packages/gitbook-plugin-lunr/src/actions.js
@@ -0,0 +1,35 @@
+const GitBook = require('gitbook-core');
+
+const TYPES = {
+    LOAD: 'lunr/load'
+};
+
+/**
+ * Load an index set
+ * @param {JSON} json
+ * @return {Action}
+ */
+function load(json) {
+    return { type: TYPES.LOAD, json };
+}
+
+/**
+ * Fetch an index
+ * @return {Action}
+ */
+function fetch() {
+    return (dispatch, getState) => {
+        return GitBook.Promise.resolve()
+        .then(() => {
+            // TODO: resolve the file correctly
+            return window.fetch('search_index.json');
+        })
+        .then(response => response.json())
+        .then(json => dispatch(load(json)));
+    };
+}
+
+module.exports = {
+    TYPES,
+    fetch
+};
diff --git a/packages/gitbook-plugin-lunr/src/index.js b/packages/gitbook-plugin-lunr/src/index.js
index f1dc913..eab5975 100644
--- a/packages/gitbook-plugin-lunr/src/index.js
+++ b/packages/gitbook-plugin-lunr/src/index.js
@@ -1,20 +1,22 @@
 const GitBook = require('gitbook-core');
-const lunr = require('lunr');
+const reduce = require('./reducer');
+const actions = require('./actions');
 
 /**
  * Search in the local index
  * @param  {String} query
  * @return {Promise<List>}
  */
-function searchHandler(query) {
-    return [
-        { title: 'Hello world' }
-    ];
+function searchHandler(query, dispatch) {
+    return dispatch(actions.fetch())
+    .then(() => {
+        return [];
+    });
 }
 
 module.exports = GitBook.createPlugin({
     activate: (dispatch, getState, { Search }) => {
         dispatch(Search.registerHandler('lunr', searchHandler));
     },
-    reduce: (state, action) => state
+    reduce
 });
diff --git a/packages/gitbook-plugin-lunr/src/reducer.js b/packages/gitbook-plugin-lunr/src/reducer.js
new file mode 100644
index 0000000..48c3c23
--- /dev/null
+++ b/packages/gitbook-plugin-lunr/src/reducer.js
@@ -0,0 +1,27 @@
+const lunr = require('lunr');
+const GitBook = require('gitbook-core');
+const { Record } = GitBook.Immutable;
+
+const { TYPES } = require('./actions');
+
+const LunrState = Record({
+    idx: null,
+    store: {}
+});
+
+module.exports = GitBook.createReducer('lunr', (state, action) => {
+    state = state || LunrState();
+
+    switch (action.type) {
+
+    case TYPES.LOAD:
+        return state
+            .set('idx', lunr.Index.load(action.json.index))
+            .merge({
+                store: action.json.store
+            });
+
+    default:
+        return state;
+    }
+});