From 234785180a7541848f76d2d6d35c2c1cd1f792d0 Mon Sep 17 00:00:00 2001
From: "Scott E. Graves" <scott.e.graves@gmail.com>
Date: Fri, 24 May 2019 12:38:31 -0500
Subject: [PATCH] #22: Display error if daemon version is too low

---
 public/electron.js                      | 38 +++++++++++++++++++++++++
 src/containers/MountItems/MountItems.js | 20 ++++++++-----
 src/helpers.js                          | 28 ++++++++++++++++++
 3 files changed, 79 insertions(+), 7 deletions(-)

diff --git a/public/electron.js b/public/electron.js
index 2cbb403..b42a955 100644
--- a/public/electron.js
+++ b/public/electron.js
@@ -278,6 +278,44 @@ ipcMain.on(Constants.IPC_Browse_Directory + '_sync', (event, data) => {
   });
 });
 
+ipcMain.on(Constants.IPC_Check_Daemon_Version, (event, data) => {
+  const dataDirectory = helpers.resolvePath(data.Directory);
+  helpers
+    .checkDaemonVersion(dataDirectory, data.Version, data.StorageType)
+    .then(code => {
+      standardIPCReply(event, Constants.IPC_Check_Daemon_Version_Reply, {
+        Valid: (code === 0),
+      });
+    })
+    .catch(e=> {
+      standardIPCReply(event, Constants.IPC_Check_Daemon_Version_Reply, {
+        Valid: false,
+      }, e);
+    });
+});
+
+ipcMain.on(Constants.IPC_Check_Daemon_Version + '_sync', (event, data) => {
+  const dataDirectory = helpers.resolvePath(data.Directory);
+  helpers
+  .checkDaemonVersion(dataDirectory, data.Version, data.StorageType)
+  .then(code => {
+    event.returnValue = {
+      data: {
+        Valid: (code === 0),
+      },
+    };
+  })
+  .catch(e => {
+    event.returnValue = {
+      data: {
+        Error: e.toString(),
+        Success: false,
+        Valid: false
+      },
+    };
+  });
+});
+
 ipcMain.on(Constants.IPC_Check_Dependency_Installed, (event, data) => {
   try {
     const exists = fs.lstatSync(data.File).isFile();
diff --git a/src/containers/MountItems/MountItems.js b/src/containers/MountItems/MountItems.js
index 89ab410..f81eb90 100644
--- a/src/containers/MountItems/MountItems.js
+++ b/src/containers/MountItems/MountItems.js
@@ -95,18 +95,24 @@ class MountItems extends IPCContainer {
       let allowAction = true;
       if (mount) {
         let result = this.sendSyncRequest(Constants.IPC_Check_Daemon_Version, {
+          Directory: this.props.directory,
           StorageType: storageType,
           Version: this.props.version
         });
         if (result.Success) {
-          if (this.props.platform !== 'win32') {
-            result = this.sendSyncRequest(Constants.IPC_Check_Mount_Location, {
-              Location: location,
-            });
-            if (!result.Success) {
-              allowAction = false;
-              this.props.errorHandler(result.Error.toString());
+          if (result.Valid) {
+            if (this.props.platform !== 'win32') {
+              result = this.sendSyncRequest(Constants.IPC_Check_Mount_Location, {
+                Location: location,
+              });
+              if (!result.Success) {
+                allowAction = false;
+                this.props.errorHandler(result.Error.toString());
+              }
             }
+          } else {
+            allowAction = false;
+            this.props.errorHandler("Incompatible " + storageType + " daemon. Please upgrade " + storageType);
           }
         } else {
           allowAction = false;
diff --git a/src/helpers.js b/src/helpers.js
index 57491f9..5dd3538 100644
--- a/src/helpers.js
+++ b/src/helpers.js
@@ -16,6 +16,34 @@ const tryParse = (j, def) => {
   }
 };
 
+module.exports.checkDaemonVersion = (directory, version, storageType) => {
+  return new Promise((resolve, reject) => {
+    const processOptions = {
+      detached: true,
+      shell: false,
+      windowsHide: true,
+    };
+
+    const command = path.join(directory, version, (os.platform() === 'win32') ? 'repertory.exe' : 'repertory');
+    const args = [];
+    args.push('-cv');
+    if (Constants.PROVIDER_ARG[storageType.toLowerCase()].length > 0) {
+      args.push(Constants.PROVIDER_ARG[storageType.toLowerCase()]);
+    }
+
+    const process = new spawn(command, args, processOptions);
+
+    process.on('error', err => {
+      reject(err);
+    });
+
+    process.on('exit', code => {
+      resolve(code);
+    });
+    process.unref();
+  });
+};
+
 module.exports.createSignatureFiles = (signature, publicKey) => {
   const fileName1 = RandomString.generate({
     length: 12,