Improves ordering of search results

Modifies documents.search to return a context snippet and search ranking
Displays context snipped on search results screen

server/api/documents.js

@@ -226,13 +226,16 @@ router.post('documents.search', auth(), pagination(), async ctx => {
   ctx.assertPresent(query, 'query is required');
 
   const user = ctx.state.user;
-  const documents = await Document.searchForUser(user, query, {
+  const results = await Document.searchForUser(user, query, {
     offset,
     limit,
   });
 
   const data = await Promise.all(
-    documents.map(async document => await presentDocument(ctx, document))
+    results.map(async result => {
+      const document = await presentDocument(ctx, result.document);
+      return { ...result, document };
+    })
   );
 
   ctx.body = {

server/api/documents.test.js

@@ -228,7 +228,7 @@ describe('#documents.search', async () => {
 
     expect(res.status).toEqual(200);
     expect(body.data.length).toEqual(1);
-    expect(body.data[0].text).toEqual('# Much guidance');
+    expect(body.data[0].document.text).toEqual('# Much guidance');
   });
 
   it('should require authentication', async () => {

server/api/hooks.js

@@ -64,14 +64,14 @@ router.post('hooks.slack', async ctx => {
 
   if (!user) throw new InvalidRequestError('Invalid user');
 
-  const documents = await Document.searchForUser(user, text, {
+  const results = await Document.searchForUser(user, text, {
     limit: 5,
   });
 
-  if (documents.length) {
+  if (results.length) {
     const attachments = [];
-    for (const document of documents) {
-      attachments.push(presentSlackAttachment(document));
+    for (const result of results) {
+      attachments.push(presentSlackAttachment(result.document));
     }
 
     ctx.body = {