From ad8f8d97a48f155ba94d5646012e969845a315ab Mon Sep 17 00:00:00 2001
From: Sebastien Douheret <sebastien.douheret@iot.bzh>
Date: Mon, 22 May 2017 13:51:04 +0200
Subject: [PATCH] Allow to set Syncthing rescanInterval parameter.

---
 .vscode/settings.json                      | 2 +-
 lib/common/error.go                        | 7 +++++--
 lib/syncthing/stfolder.go                  | 4 ++++
 lib/xdsconfig/fileconfig.go                | 9 +++++----
 webapp/src/app/common/syncthing.service.ts | 6 +++++-
 5 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/.vscode/settings.json b/.vscode/settings.json
index 8274151..99360a9 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -18,6 +18,6 @@
         "apiv", "gonic", "devel", "csrffound", "Syncthing", "STID",
         "ISTCONFIG", "socketio", "ldflags", "SThg", "Intf", "dismissible",
         "rpath", "WSID", "sess", "IXDS", "xdsconfig", "xdsserver", "mfolder",
-	"inotify", "Inot", "pname", "pkill", "sdkid", "CLOUDSYNC"
+	"inotify", "Inot", "pname", "pkill", "sdkid", "CLOUDSYNC", "xdsagent"
     ]
 }
\ No newline at end of file
diff --git a/lib/common/error.go b/lib/common/error.go
index d03c176..6873d82 100644
--- a/lib/common/error.go
+++ b/lib/common/error.go
@@ -1,13 +1,16 @@
 package common
 
 import (
+	"fmt"
+
 	"github.com/gin-gonic/gin"
 )
 
 // APIError returns an uniform json formatted error
-func APIError(c *gin.Context, err string) {
+func APIError(c *gin.Context, format string, args ...interface{}) {
+	errMsg := fmt.Sprintf(format, args...)
 	c.JSON(500, gin.H{
 		"status": "error",
-		"error":  err,
+		"error":  errMsg,
 	})
 }
diff --git a/lib/syncthing/stfolder.go b/lib/syncthing/stfolder.go
index 45ac60d..e7ee0ec 100644
--- a/lib/syncthing/stfolder.go
+++ b/lib/syncthing/stfolder.go
@@ -58,6 +58,10 @@ func (s *SyncThing) FolderChange(f xdsconfig.FolderConfig) error {
 		RawPath: filepath.Join(s.conf.ShareRootDir, f.RelativePath),
 	}
 
+	if s.conf.FileConf.SThgConf.RescanIntervalS > 0 {
+		folder.RescanIntervalS = s.conf.FileConf.SThgConf.RescanIntervalS
+	}
+
 	folder.Devices = append(folder.Devices, config.FolderDeviceConfiguration{
 		DeviceID: newDevice.DeviceID,
 	})
diff --git a/lib/xdsconfig/fileconfig.go b/lib/xdsconfig/fileconfig.go
index 4be54ff..01bd4c9 100644
--- a/lib/xdsconfig/fileconfig.go
+++ b/lib/xdsconfig/fileconfig.go
@@ -12,10 +12,11 @@ import (
 )
 
 type SyncThingConf struct {
-	BinDir     string `json:"binDir"`
-	Home       string `json:"home"`
-	GuiAddress string `json:"gui-address"`
-	GuiAPIKey  string `json:"gui-apikey"`
+	BinDir          string `json:"binDir"`
+	Home            string `json:"home"`
+	GuiAddress      string `json:"gui-address"`
+	GuiAPIKey       string `json:"gui-apikey"`
+	RescanIntervalS int    `json:"rescanIntervalS"`
 }
 
 type FileConfig struct {
diff --git a/webapp/src/app/common/syncthing.service.ts b/webapp/src/app/common/syncthing.service.ts
index 28b19a9..0e8c51c 100644
--- a/webapp/src/app/common/syncthing.service.ts
+++ b/webapp/src/app/common/syncthing.service.ts
@@ -1,5 +1,6 @@
 import { Injectable } from '@angular/core';
 import { Http, Headers, RequestOptionsArgs, Response } from '@angular/http';
+import { CookieService } from 'ngx-cookie';
 import { Location } from '@angular/common';
 import { Observable } from 'rxjs/Observable';
 import { BehaviorSubject } from 'rxjs/BehaviorSubject';
@@ -105,6 +106,7 @@ interface ISTConfiguration {
 // Default settings
 const DEFAULT_GUI_PORT = 8384;
 const DEFAULT_GUI_API_KEY = "1234abcezam";
+const DEFAULT_RESCAN_INTERV = 0;    // 0: use syncthing-inotify to detect changes
 
 
 @Injectable()
@@ -127,7 +129,7 @@ export class SyncthingService {
     };
     private statusSubject = <BehaviorSubject<ISyncThingStatus>>new BehaviorSubject(this._status);
 
-    constructor(private http: Http, private _window: Window) {
+    constructor(private http: Http, private _window: Window, private cookie: CookieService) {
         this._status.baseURL = 'http://localhost:' + DEFAULT_GUI_PORT;
         this.baseRestUrl = this._status.baseURL + '/rest';
         this.apikey = DEFAULT_GUI_API_KEY;
@@ -194,12 +196,14 @@ export class SyncthingService {
 
                 // Add or update Folder settings
                 let label = prj.label || "";
+                let scanInterval = parseInt(this.cookie.get("st-rescanInterval"), 10) || DEFAULT_RESCAN_INTERV;
                 let folder: ISTFolderConfiguration = {
                     id: prj.id,
                     label: label,
                     path: prj.path,
                     devices: [{ deviceID: newDevID, introducedBy: "" }],
                     autoNormalize: true,
+                    rescanIntervalS: scanInterval,
                 };
 
                 let idx = stCfg.folders.findIndex(item => item.id === prj.id);
-- 
2.16.6