From a00db0aa06357f8ee72e48fb557e05561ebb5af8 Mon Sep 17 00:00:00 2001
From: charlie-haley <27928201+charlie-haley@users.noreply.github.com>
Date: Sun, 9 May 2021 17:26:33 +0100
Subject: [PATCH] Add keep-alive to vue router && populate version number from
 build ldflags (#26)

* add keep-alive to vue-router

* use ldflags to populate appver

* add ldflags to build
---
 .github/workflows/release.yml                   |  6 +++---
 src/flowcontrol/frontend/src/App.vue            |  4 +++-
 src/flowcontrol/frontend/src/pages/Settings.vue | 13 ++++++++++++-
 src/flowcontrol/go.mod                          |  2 +-
 src/flowcontrol/go.sum                          |  4 ++--
 src/flowcontrol/main.go                         |  7 +++++++
 6 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e1e400b..1c8ac0f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -38,7 +38,7 @@ jobs:
         if: ${{ !env.ACT }}
         run: |
           cd ./src/flowcontrol
-          wails build -x windows/amd64 --verbose
+          wails build -x windows/amd64 --verbose -ldflags="-X 'main.appver=${{ github.ref }}'"
       # If building locally, ensure we don't compile for a specific architecture due to docker in docker requirements
       - name: Build project
         if: ${{ env.ACT }}
@@ -113,7 +113,7 @@ jobs:
         if: ${{ !env.ACT }}
         run: |
           cd ./src/flowcontrol
-          wails build -x darwin/amd64 --verbose
+          wails build -x darwin/amd64 --verbose -ldflags="-X 'main.appver=${{ github.ref }}'"
 #Zip assets
       - name: Zip assets
         run: |
@@ -148,7 +148,7 @@ jobs:
         if: ${{ !env.ACT }}
         run: |
           cd ./src/flowcontrol
-          wails build -x linux/amd64 --verbose
+          wails build -x linux/amd64 --verbose -ldflags="-X 'main.appver=${{ github.ref }}'"
 #Zip assets
       - name: Zip assets
         run: |
diff --git a/src/flowcontrol/frontend/src/App.vue b/src/flowcontrol/frontend/src/App.vue
index 48946cb..c2c7974 100644
--- a/src/flowcontrol/frontend/src/App.vue
+++ b/src/flowcontrol/frontend/src/App.vue
@@ -14,7 +14,9 @@
       </div>
   </div>
     <div class="fan-page">
-        <router-view/>
+        <keep-alive>
+            <router-view :key="$route.fullPath" />
+        </keep-alive>
     </div>
   </div>
 </template>
diff --git a/src/flowcontrol/frontend/src/pages/Settings.vue b/src/flowcontrol/frontend/src/pages/Settings.vue
index 85f3cd8..d5dc1c0 100644
--- a/src/flowcontrol/frontend/src/pages/Settings.vue
+++ b/src/flowcontrol/frontend/src/pages/Settings.vue
@@ -2,7 +2,7 @@
   <div class="settings-appinfo">
       <FanIcon class="fan-icon"/>
       <span class="settings-appinfo-title">Flowcontrol</span><br/>
-      <span class="settings-appinfo-version">v0.1.2</span><br/>
+      <span class="settings-appinfo-version">{{ version }}</span><br/>
       <a href="https://github.com/charlie-haley/flowcontrol">GitHub</a>
   </div>
 </template>
@@ -14,6 +14,17 @@ export default {
   name: "settings",
   components: {
     FanIcon
+  },
+  data() {
+    return {
+      version: " "
+    };
+  },
+  mounted: function() {
+      var self = this;
+      window.backend.version().then(result => {
+        self.version = result;
+      });
   }
 };
 </script>
diff --git a/src/flowcontrol/go.mod b/src/flowcontrol/go.mod
index 8e2d92b..75be0ab 100644
--- a/src/flowcontrol/go.mod
+++ b/src/flowcontrol/go.mod
@@ -4,6 +4,6 @@ go 1.16
 
 require (
 	github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07
-	github.com/wailsapp/wails v1.16.3
+	github.com/wailsapp/wails v1.16.4-pre3
 	golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
 )
diff --git a/src/flowcontrol/go.sum b/src/flowcontrol/go.sum
index cf62f27..e146346 100644
--- a/src/flowcontrol/go.sum
+++ b/src/flowcontrol/go.sum
@@ -59,8 +59,8 @@ github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba h1:2DHfQOxcpWdGf5
 github.com/syossan27/tebata v0.0.0-20180602121909-b283fe4bc5ba/go.mod h1:iLnlXG2Pakcii2CU0cbY07DRCSvpWNa7nFxtevhOChk=
 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07 h1:UyzmZLoiDWMRywV4DUYb9Fbt8uiOSooupjTq10vpvnU=
 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
-github.com/wailsapp/wails v1.16.3 h1:wuJJU9PnnrrDvhh+DTr1MfqUSR1PDR5H+RilM5Wwd7c=
-github.com/wailsapp/wails v1.16.3/go.mod h1:aADbAvTzZrKGd4Td7d1l4Dp5Hx7lLJEvVH7guIHoDf8=
+github.com/wailsapp/wails v1.16.4-pre3 h1:ITalbeNsJ7dUACHcdczOzaDKVxZJBXUeUGEp3RoQieI=
+github.com/wailsapp/wails v1.16.4-pre3/go.mod h1:aADbAvTzZrKGd4Td7d1l4Dp5Hx7lLJEvVH7guIHoDf8=
 golang.org/x/crypto v0.0.0-20190123085648-057139ce5d2b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
diff --git a/src/flowcontrol/main.go b/src/flowcontrol/main.go
index acbec41..b4e3ca7 100644
--- a/src/flowcontrol/main.go
+++ b/src/flowcontrol/main.go
@@ -12,6 +12,8 @@ var js string
 //go:embed frontend/dist/app.css
 var css string
 
+var appver = "development"
+
 func main() {
 
 	app := wails.CreateApp(&wails.AppConfig{
@@ -23,5 +25,10 @@ func main() {
 		Colour: "#131313",
 	})
 	app.Bind(&wailsstruct{})
+	app.Bind(version)
 	app.Run()
 }
+
+func version() string{
+	return appver;
+}
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