Added the ability to set default preferences for the HTML report.

To set the default preferences, it requires a valid JSON object.
It also allows the ability to customize each panel plot.
See default configuration file for an example or the man page.

config/goaccess.conf

@@ -137,6 +137,15 @@ hl-header true
 #
 #html-custom-js /path/file.js
 
+# Set default HTML preferences.
+#
+# NOTE: A valid JSON object is required.
+# DO NOT USE A MULTILINE JSON OBJECT.
+# The parser will only parse the value next to `html-prefs` (single line)
+# It allows the ability to customize each panel plot. See example below.
+#
+#html-prefs {"theme":"bright","perPage":5,"layout":"horizontal","showTables":true,"visitors":{"plot":{"chartType":"bar"}}}
+
 # Set HTML report page title and header.
 #
 #html-report-title My Awesome Web Stats

resources/js/app.js

@@ -30,13 +30,15 @@ window.GoAccess = window.GoAccess || {
 			'perPage': 10,
 			'layout': 'horizontal',
 		};
+		this.AppPrefs = GoAccess.Util.merge(this.AppPrefs, this.opts.prefs);
 
 		if (GoAccess.Util.hasLocalStorage()) {
 			var ls = JSON.parse(localStorage.getItem('AppPrefs'));
 			this.AppPrefs = GoAccess.Util.merge(this.AppPrefs, ls);
 		}
 		if (Object.keys(this.AppWSConn).length)
 			this.setWebSocket(this.AppWSConn);
+
 	},
 
 	getPanelUI: function (panel) {
@@ -1510,6 +1512,7 @@ window.onload = function () {
 		'uiData': window.user_interface,
 		'panelData': window.json_data,
 		'wsConnection': window.connection || null,
+		'prefs': window.html_prefs || {},
 	});
 	GoAccess.App.initialize();
 };

src/options.c

@@ -94,6 +94,7 @@ struct option long_opts[] = {
   {"html-custom-css"      , required_argument , 0 ,  0  } ,
   {"html-custom-js"       , required_argument , 0 ,  0  } ,
   {"html-report-title"    , required_argument , 0 ,  0  } ,
+  {"html-prefs"           , required_argument , 0 ,  0  } ,
   {"ignore-crawlers"      , no_argument       , 0 ,  0  } ,
   {"ignore-panel"         , required_argument , 0 ,  0  } ,
   {"ignore-referer"       , required_argument , 0 ,  0  } ,
@@ -169,6 +170,7 @@ cmd_help (void)
   "  --color-scheme=<1|2|3>          - Schemes: 1 => Grey, 2 => Green, 3 => Monokai.\n"
   "  --html-custom-css=<path.css>    - Specify a custom CSS file in the HTML report.\n"
   "  --html-custom-js=<path.js>      - Specify a custom JS file in the HTML report.\n"
+  "  --html-prefs=<json_obj>         - Set default HTML report preferences.\n"
   "  --html-report-title=<title>     - Set HTML report page title and header.\n"
   "  --json-pretty-print             - Format JSON output w/ tabs & newlines.\n"
   "  --max-items                     - Maximum number of items to show per panel.\n"
@@ -387,6 +389,10 @@ parse_long_opt (const char *name, const char *oarg)
   if (!strcmp ("html-custom-js", name))
     conf.html_custom_js = oarg;
 
+  /* html JSON object containing default preferences */
+  if (!strcmp ("html-prefs", name))
+    conf.html_prefs = oarg;
+
   /* 444 as 404 */
   if (!strcmp ("444-as-404", name))
     conf.code444_as_404 = 1;

src/output.c

@@ -1132,6 +1132,7 @@ print_json_defs (FILE * fp, GHolder * holder)
   size_t idx = 0;
 
   fprintf (fp, "<script type='text/javascript'>");
+  fprintf (fp, "var html_prefs=%s;", conf.html_prefs ? conf.html_prefs : "{}");
   fprintf (fp, "var user_interface=");
   fpopen_obj (fp, 0);
 

src/settings.h

@@ -115,11 +115,12 @@ typedef struct GConf_
 
   const char *debug_log;            /* debug log path */
   const char *geoip_database;       /* geoip db path */
+  const char *html_custom_css;      /* custom CSS */
+  const char *html_custom_js;       /* custom JS */
+  const char *html_prefs;           /* default HTML JSON preferences */
   const char *html_report_title;    /* report title */
   const char *iconfigfile;          /* config file path */
   const char *invalid_requests_log; /* invalid lines log path */
-  const char *html_custom_css;      /* custom CSS */
-  const char *html_custom_js;       /* custom JS */
 
   /* HTML real-time */
   const char *addr;                 /* IP address to bind to */