Add command `WebTime <start_pos>,<end_pos>`

- Add command ``WebTime <start_pos>,<end_pos>`` to show part of date and/or time in web gui based on "2017-03-07T11:08:02-07:00"
- Bump version to v2022.01.3

CHANGELOG.md

@@ -3,7 +3,15 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased] - Development
 
-## [2022.01.2]
+## [2022.01.3]
+### Added
+- Command ``WebTime <start_pos>,<end_pos>`` to show part of date and/or time in web gui based on "2017-03-07T11:08:02-07:00"
+
+### Changed
+
+### Fixed
+
+## [2022.01.2] 20220116
 ### Added
 - Tasmota favicon to webbrowser tab (#14322)
 - Commands for ESP32 ethernet configuration ``EthIpAddress``, ``EthGateway``, ``EthSubnetmask``, ``EthDnsServer1`` and ``EthDnsServer2`` (#14385)
@@ -12,9 +20,6 @@ All notable changes to this project will be documented in this file.
 ### Changed
 - IRremoteESP8266 library from v2.8.0 to v2.8.1
 
-### Fixed
-
-
 ## [2022.01.1] 20220107
 ### Added
 - Experimental ADE7953 (Shelly EM) reset on restart (#14261)

RELEASENOTES.md

@@ -100,9 +100,10 @@ The latter links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmo
 
 [Complete list](BUILDS.md) of available feature and sensors.
 
-## Changelog v2022.01.2
+## Changelog v2022.01.3
 ### Added
 - Command ``SSerialConfig <serialconfig>`` to change Serial Bridge configuration
+- Command ``WebTime <start_pos>,<end_pos>`` to show part of date and/or time in web gui based on "2017-03-07T11:08:02-07:00"
 - Command ``SspmMap 2,1,..`` to map Sonoff SPM scanned module to physical module [#14281](https://github.com/arendst/Tasmota/issues/14281)
 - Commands for ESP32 ethernet configuration ``EthIpAddress``, ``EthGateway``, ``EthSubnetmask``, ``EthDnsServer1`` and ``EthDnsServer2`` [#14385](https://github.com/arendst/Tasmota/issues/14385)
 - Support for Eastron SDM230 modBus energy meter [#13443](https://github.com/arendst/Tasmota/issues/13443)

tasmota/i18n.h

@@ -422,6 +422,7 @@
 #define D_CMND_WEBQUERY "WebQuery"
 #define D_CMND_WEBCOLOR "WebColor"
 #define D_CMND_WEBBUTTON "WebButton"
+#define D_CMND_WEBTIME "WebTime"
 #define D_CMND_WEBSENSOR "WebSensor"
 #define D_CMND_WEBGETCONFIG "WebGetConfig"
 #define D_CMND_EMULATION "Emulation"

tasmota/settings.h

@@ -487,8 +487,10 @@ typedef struct {
   int32_t       energy_kWhyesterday_ph[3]; // 320
   int32_t       energy_kWhtotal_ph[3];     // 32C
 
-  uint8_t       free_338[6];               // 338
+  uint8_t       free_338[4];               // 338
 
+  uint8_t       web_time_start;            // 33C
+  uint8_t       web_time_end;              // 33D
   uint8_t       sserial_config;            // 33E
   uint8_t       tuyamcu_topic;             // 33F  Manage tuyaSend topic. ex_energy_power_delta on 6.6.0.20, replaced on 8.5.0.1
   uint16_t      domoticz_update_timer;     // 340

tasmota/settings.ino

@@ -1475,6 +1475,10 @@ void SettingsDelta(void) {
     if (Settings->version < 0x0A010003) {
       Settings->sserial_config = Settings->serial_config;
     }
+    if (Settings->version < 0x14160103) {
+      Settings->web_time_start = 0;
+      Settings->web_time_end = 0;
+    }
 
     Settings->version = VERSION;
     SettingsSave(1);

tasmota/tasmota_version.h

@@ -20,6 +20,6 @@
 #ifndef _TASMOTA_VERSION_H_
 #define _TASMOTA_VERSION_H_
 
-const uint32_t VERSION = 0x14160102;    // 2022.01.2
+const uint32_t VERSION = 0x14160103;    // 2022.01.3
 
 #endif  // _TASMOTA_VERSION_H_

tasmota/xdrv_01_webserver.ino

@@ -875,7 +875,7 @@ void WSContentSendStyle_P(const char* formatP, ...) {
 
   // SetOption53 - Show hostname and IP address in GUI main menu
 #if (RESTART_AFTER_INITIAL_WIFI_CONFIG)
-  if (Settings->flag3.gui_hostname_ip) {
+  if (Settings->flag3.gui_hostname_ip) {               // SetOption53  - (GUI) Show hostname and IP address in GUI main menu
 #else
   if ( Settings->flag3.gui_hostname_ip || ( (WiFi.getMode() == WIFI_AP_STA) && (!Web.initial_config) )  ) {
 #endif
@@ -1406,6 +1406,9 @@ bool HandleRootStatusRefresh(void)
   WSContentBegin(200, CT_HTML);
 #endif  // USE_WEB_SSE
   WSContentSend_P(PSTR("{t}"));
+  if (Settings->web_time_end) {
+    WSContentSend_P(PSTR("{s}" D_TIMER_TIME "{m}%s{e}"), GetDateAndTime(DT_LOCAL).substring(Settings->web_time_start, Settings->web_time_end).c_str());
+  }
   XsnsCall(FUNC_WEB_SENSOR);
   XdrvCall(FUNC_WEB_SENSOR);
 
@@ -3281,6 +3284,7 @@ const char kWebCmndStatus[] PROGMEM = D_JSON_DONE "|" D_JSON_WRONG_PARAMETERS "|
 ;
 
 const char kWebCommands[] PROGMEM = "|"  // No prefix
+  D_CMND_WEBTIME "|"
 #ifdef USE_EMULATION
   D_CMND_EMULATION "|"
 #endif
@@ -3298,6 +3302,7 @@ const char kWebCommands[] PROGMEM = "|"  // No prefix
 ;
 
 void (* const WebCommand[])(void) PROGMEM = {
+  &CmndWebTime,
 #ifdef USE_EMULATION
   &CmndEmulation,
 #endif
@@ -3318,6 +3323,25 @@ void (* const WebCommand[])(void) PROGMEM = {
  * Commands
 \*********************************************************************************************/
 
+void CmndWebTime(void) {
+  // 2017-03-07T11:08:02-07:00
+  // 0123456789012345678901234
+  //
+  // WebTime 0,16  = 2017-03-07T11:08 - No seconds
+  // WebTime 11,19 = 11:08:02
+  uint32_t values[2] = { 0 };
+  String datetime = GetDateAndTime(DT_LOCAL);
+  if (ParseParameters(2, values) > 1) {
+    Settings->web_time_start = values[0];
+    Settings->web_time_end = values[1];
+    if (Settings->web_time_end > datetime.length()) { Settings->web_time_end = datetime.length(); }
+    if (Settings->web_time_start >= Settings->web_time_end) { Settings->web_time_start = 0; }
+  }
+  Response_P(PSTR("{\"%s\":[%d,%d],\"Time\":\"%s\"}"),
+    XdrvMailbox.command, Settings->web_time_start, Settings->web_time_end,
+    datetime.substring(Settings->web_time_start, Settings->web_time_end).c_str());
+}
+
 #ifdef USE_EMULATION
 void CmndEmulation(void)
 {