add Posts.Index

posts/handler/posts.go

@@ -183,6 +183,40 @@ func (p *Posts) diffTags(ctx context.Context, parentID string, oldTagNames, newT
 	return nil
 }
 
+func (p *Posts) Index(ctx context.Context, req *proto.IndexRequest, rsp *proto.IndexResponse) error {
+	// create a simple descending order query
+	q := model.QueryEquals("created", nil)
+	q.Order.Type = model.OrderTypeDesc
+
+	var posts []*proto.Post
+
+	// read all the records
+	if err := p.db.Read(q, &posts); err != nil {
+		return err
+	}
+
+	// model does not deal with limits yet
+	limit := int(req.Limit)
+
+	// TODO: implement offset
+	if limit == 0 {
+		limit = 20
+	}
+	// set the limit to length of posts
+	if v := len(posts); v < limit {
+		limit = v
+	}
+
+	// iterate and add
+	for i := 0; i <= limit; i++ {
+		// strip the content
+		posts[i].Content = ""
+		rsp.Posts = append(rsp.Posts, posts[i])
+	}
+
+	return nil
+}
+
 func (p *Posts) Query(ctx context.Context, req *proto.QueryRequest, rsp *proto.QueryResponse) error {
 	var q model.Query
 	if len(req.Slug) > 0 {