From 938b0431a5907a62751dd6f24f101b052104014e Mon Sep 17 00:00:00 2001
From: Haifeng Luo <bnulhf@126.com>
Date: Sun, 10 Apr 2022 23:14:01 +0800
Subject: [PATCH] Fix small bugs.

---
 object/wordset_graph.go    | 8 ++++++++
 web/src/WordsetEditPage.js | 4 ++--
 web/src/WordsetListPage.js | 2 +-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/object/wordset_graph.go b/object/wordset_graph.go
index 5b67609..4005ae2 100644
--- a/object/wordset_graph.go
+++ b/object/wordset_graph.go
@@ -28,6 +28,14 @@ func GetWordsetGraph(id string, clusterNumber int, distanceLimit int) *Graph {
 		return nil
 	}
 
+	if len(wordset.Vectors) == 0 {
+		return nil
+	}
+
+	if len(wordset.Vectors[0].Data) == 0 {
+		return nil
+	}
+
 	runKmeans(wordset.Vectors, clusterNumber)
 
 	g = generateGraph(wordset.Vectors, distanceLimit)
diff --git a/web/src/WordsetEditPage.js b/web/src/WordsetEditPage.js
index 0f93d1e..76642c8 100644
--- a/web/src/WordsetEditPage.js
+++ b/web/src/WordsetEditPage.js
@@ -98,7 +98,7 @@ class WordsetEditPage extends React.Component {
           <Col span={22} >
             <Select virtual={false} style={{width: '100%'}} value={this.state.wordset.vectorset} onChange={(value => {this.updateWordsetField('vectorset', value);})}>
               {
-                this.state.vectorsets.map((vectorset, index) => <Option key={index} value={vectorset.name}>{vectorset.name}</Option>)
+                this.state.vectorsets?.map((vectorset, index) => <Option key={index} value={vectorset.name}>{vectorset.name}</Option>)
               }
             </Select>
           </Col>
@@ -123,7 +123,7 @@ class WordsetEditPage extends React.Component {
             {i18next.t("wordset:Matched")}:
           </Col>
           <Col span={22} >
-            <Input value={`${Setting.getPercentage(validWords / allWords)}% (${validWords} / ${allWords})`} />
+            <Input value={`${Setting.getPercentage(allWords === 0 ? 0 : validWords / allWords)}% (${validWords} / ${allWords})`} />
           </Col>
         </Row>
         {/*<Row style={{marginTop: '20px'}} >*/}
diff --git a/web/src/WordsetListPage.js b/web/src/WordsetListPage.js
index ba62980..bd4e359 100644
--- a/web/src/WordsetListPage.js
+++ b/web/src/WordsetListPage.js
@@ -151,7 +151,7 @@ class WordsetListPage extends React.Component {
         render: (text, record, index) => {
           const allWords = record.vectors.length;
           const validWords = record.vectors.filter(vector => vector.data.length !== 0).length;
-          return `${Setting.getPercentage(validWords / allWords)}% (${validWords} / ${allWords})`;
+          return `${Setting.getPercentage(allWords === 0 ? 0 : validWords / allWords)}% (${validWords} / ${allWords})`;
         }
       },
       {