Openhab javascript rules. Hello. List import java. org JavaScript Scripting - Automation. The new language features presented in this article cannot be used within rules that use the old ECMA-262 Edition 5. I edit a rule via the OHv2. var Timer timer = null rule "Timer Rule" when Item XXXXX received update then timer = createTimer(now. GraalVM JavaScript: In openHAB, rules are used to implement all of these concepts. *'). When this add-on is installed, JavaScript script actions will be run by this add-on and allow ECMAScript 2021+ features. I can make it work if I HARD code the Platform information: Hardware: Raspberry Pi 4 with 4GB OS: Openhabian Java Runtime Environment:OpenJDK Runtime Environment Zulu11. 617 [ERROR] [internal. UTC). log(event); it should dump all the data members to the log so you can see what’t in it. I tested the “Thing Status Reporting” template and have it calling a ECMAScript (ECMAScript 262 Edition 11) based rule (all my rules are written in). openhab. I have seen recommendations that I use the method myItem. I’m gathering power meter reading using simple device sending number of pulses of meter LED (works through MySensors network). 2. Gah! so we have to use the while loop thusly: var i = 1 while ((i=i+1) < 4) { // do stuff } For completeness, usually when we are using for loops in openHAB rules we are actually iterating over a list of things, most often the list of members of a group. So, the task is simple - if hour of the day is 8, do something, else if hour is 18 - do another thing. they are null), unless you declare them with a initial value (as in my example). This is what we’ve been working up to in all the posts up to now, and in this post we’ll really just go through an introduction, to get you started automating your home with openHAB. Releases v2. (GenericMQTTThing). That was the reason why I’ve created an extended JavaScript Engine bundle. 5 is still using eclipse packages, but I think not //var HTTP = Hello all, I have an ECMAScript (Javascript) in which I want to process date time. openhab is defined as a logger with level INFO meaning that anything under org. ItemStateChangedEvent] - Boiler_Sensor_SensorTemperature1 changed from 23. They are almost impossible to read. Therefore, if the Rule needs to know what the command was, use the implicit variable receivedCommand First at this point spezial thanks @lewie for his work and share of helper librarays. However, if that were all that were going on, trigger from an “old” member should still work even if a “new” member 3. I wrote a script (or copied it from different places of the internet xD) to get the specific values from the object. openhab, like org. 7. js, line 1; Methods (static) JSRule (ruleConfig) → {HostRule} Description: Creates a rule. 825 [INFO ] [hab. e. however, if this item is unplugged and Openhab resets/initializes with “–” the rule of course does not work anymore I am trying to create a rule to send me the daily power usage of an item. 4-release. Anyway it should also work without. 2 (Raspian GNU/Linux 9) Java Runtime Environment: Zulu 11 Open JDK 32-bit openHAB Where can I find documentation for sendCommand()? I see people online use the following syntax to call the function: [itemName]. I never used text file ECMAScript 5. Also included is openhab-js (opens new window), a fairly This add-on provides support for JavaScript (ECMAScript 2021+) that can be used as a scripting language within automation rules. I have found short code snippets here and there but there are always some important part missing to get it running. When editing . What am I missing? var HSB = new Dear all, I just started my new OH3 setup today after two years of OH2. I’ve written a small python script which connects to my experimental esp32-cam over http to a MJPEG stream and uploads in regular intervals to the Image item defined with a Channel on the FTP Upload Thing. sendCommand(ON) rather than static function events. As usual, you can upgrade through openhabian-config or by running npm update. 6. Rules - Introduction; Rules - Other Technologies; Rules - Basic; Rules - Blockly; Rules - Advanced; Rules - Scenes; It's possible to use openHAB with a variety of different rule engines and automation technologies. Perhaps I just can’t see the forest for the trees, but is there a tutorial somewhere on how to use the new rules with scripts? I never used scripted rules except some JS-transformations, so I don’t seem to get, how I can use variables like channels or variables in jython or JS - and how I start the rules and whatnot 😉 I’m lost and need some intro to using I have an Openhab 3 setup with Hue lights integrated. Scripted rules can use ModuleTypes that are already present Platform information: Hardware: Synology 918+ 12 GB RAM (OH in Docker) OS: DSM 6. HTTP"); // Not sure if OH2. And which openHAB Transformations are used for four purposes: 1. What am I missing? I guess you could call this a Javascript question, but considering it gives the expected answer in my browser, but not in openHAB This should format the date using the specified From a rule, I receive the following values from 2 different items (it’s the delta between 2 times): -0. About the biggest difference between text based . plus seconds(5). I tried var DateTimeZone = Note, in the first half of 2023 this rule template will be adjusted to only support JS Scripting. When I go to the control section I see these there, but only Sunset has a value (which looks right), Sunrise shows a -I used @JimH rule from above to get a value into these Items. The fact it is running on the same device does not matter to OH. openHAB comes with three languages by default (Rules DSL, ECMAScript 5. To use the type definitions, install the openhab npm package The loggers defined in the config file inherit from higher up loggers. I think event might get wrapped for file based rules and it uses the Rules DSL implicit variable names (i. 1 & 5. I linked sunrise to Civil Dawn Start and I linked sunset to Civil Dusk End. In both cases though, the rule will come up enabled for a few milliseconds before becoming disabled. For the rest of this tutorial we will use the JavaScript Scripting add-on which implements ECMAScript 2021 for Script Actions and Script Conditions in UI rules. Please review Rules - Introduction | openHAB and Rules | openHAB, for more on what Scripts you see in MainUI are and their use. meteoalarm-wind will already be configured to log out to openhab. This allows the use of items, actions, cache and other objects without the need to explicitly import them using require(). sendCommand(myName, ON). These rules take the high level form of When __t__ happens, Actions are an action that allow you to run logic written in one of the available automation/rule I’m trying to update an item which is Datetime in Javascript items. I’m using OH2 on a Raspberry Pi and using rules to debug my rules. 2 (Debian in Docker) Java Runtime Environment: (Java 11 in Docker) openHAB version: OH 3 Snapshot from 2020-11-30 (after M4) Issue of the topic: I used the openhab-helper-libraries for JavaScript the last years with openHAB 2. executeCommandLine to work with variables. This post provides an overview of two features that have been added to openHAB recently to make it easier to write rules that work with groups of items. thank you. It is a service on the device ( & executed by a user) trying to get information from the openHAB service, outside of openHAB. Quite reasonably they cannot be deleted via the UI, not that I want to anyway. There is more planned for the JS helper libraries, but that will require OH to be This is a collection of blocks that allow Blockly users to leverage many of the capabilities of the openhab_rules_tools library, a JS Scripting library that provides a number of classes and utilities that add advanced capabilities to timers and provides utilities to help make managing timers easier, among other things. postUpdate( time. When I select a scene I can see from the log that the command send to the scene item is kind of cryptic value tI58t57iuYYmCUm How can I The new way of writing JavaScript-based rules in openHAB 3. As far as the localization, I don’t know the solution. automation. Something I’ve been putting off for years LOL Of course, the first thing I tried didn’t work. I’ve only experimented thus far using JavaScript. Ok, so I got it this way, that I’m using FTP Upload Binding to fill my Image item. sendCommand([command]) sendCommand([itemName] , [command]) And is the [command] supposed to be a string? And does the [itemName] need to be initialized in the . js - Documentation. callScript method, but I’m looking for a way to compare a DateTime item with the current date. Some of this may I didn’t actually write this library so I don’t know exactly how it works in detail. Those of you who have followed my postings for awhile will recognize just about everything here, I’ve just made it a bit more formal. 1. For people who prefer visual over text or those who are new to programming, Blockly can be a good choice. Some examples: console. As far as I understand, the time. And all the interaction you do between your rules and openHAB is done through Java Objects, so don’t think you’ll be able to head down the path of writing “pure” JavaScript either. Modules are further broken down into ModuleTypes with corresponding ModuleHandlers. As a result, when searching for how to do a lot of stuff like this, it’s important to look here on the forums and in the docs first. of("PT1M5S"). x Rules DSL use java. Shouldn’t an option to switch between AND and OR be very benificial to many rules? I guess there are workarounds though Java 17 is not recommended either. Blockly (opens new window) is a visual coding language consisting of blocks that fit together like building blocks. I’m especially curious how should it look like for #3 (Get DateTimeType from Java Time) and #4 (Get Java Time from DateTimeType) in javascript, as these are between Hello, I’m using OH4 with the JS Scripting module. Source: rules/rules. Notice how you need to create a Rule class which defines an execute function and then you need to create and add the rule triggers to that class using a TriggerBuilder. So the line you added isn’t really necessary. These releases add medianSince, Development. info console. js file trying to import things from places they aren’t anymore. Possibly I could implement some as Rule Templates. This lives in a . of() also supports ISO8601 duration Strings so if you have a mix of units (e. I have a rule that is supposed to combine the time of the last update with Overview In openHab 2. Duration. See in events. One has Semantic Property None with the second item I picked Temperature. Overview In openHab 3. This value is often not well readable (eg. Hello, I’m using OH4 with the JS Scripting module. reschedule(now. These rules take the high level form of When __t__ happens, Actions are an action that allow you to run logic written in one of the available automation/rule This namespace allows creation of openHAB rules. I have been reading over the Javascript documentation to learn about openHAB’s Javascript language. script. js content to write this code: It might be worth while to look at the JSR223 add-on that will let you write Rules in Jython, JavaScript, or Groovy. I don’t remember if the HistoricItem’s numericState is only 4. I have the configuration Overview In openHab 2. moonraker (Uli) May 24, 2021, 4:55pm 3. 0 Release Build, running on Docker / Portainer 2. Thanks for your help. One of the primary use cases for JSR223 scripting in openHAB is to define rules for the Next-Generation Rule Engine using the Automation API. 0_152”) I guess this is a rather silly question and similar problems have been discussed here before. I’m using the scripting scratchpad to run this code: A simplistic explanation of the differences between command and update can be found in the article about openHAB core actions. Hey Forum, I have started the openhab-js-helper as a private openHAB Textual Rules | openHAB. One thing I would say, whenever you save a rules file, all variables contained in that file are reset to an undefined state (ie. , and each of those has its own ways to handle datetimes. now(). Maybe not as concise as the Ruby by better than time. 😃 Well, off I went (what a pain) As it seems switches are NULL if uninitialised. 3. 23 (Docker) openHAB version: latest (4. Knowing what can Note it will only exists for rules that are triggered from an Item update or changed trigger. state. Put days (D), weeks (W), and years before the “T”. 0-release on openHABian since upgrade from 4. My update mirrors the behaviour of the Python Helper Libraries in that it looks for them in the OH2 location and the OH3 location and uses the one it finds. js (logging and push notifications) and timer. js modules, It’s not an execution-time problem: the OpenHab rules engine first checks the code for errors, and when it comes across Platform information: openHAB 3. openhab. too many decimals, not the JSR223 creates rules through the Java (Automation) API, and Paper UI creates rules through JSON, but both are using the ERE. padStart() method. #openHAB 3 / openHAB 4 - Migration # Migrating Blockly rules to openHAB 4 is easy From openHAB 4 on, the default script engine is GraalJS when Blockly creates new scripts. getItems('Kitchen_. Is it possible to execute a script from a rule without copy-pasting the script into the rule? (So saving it as a script)? The reason behind this is that I want a few different rules triggering the same script. Consequently, you need only pay close attention to the Expressions section of the Xtext docs. zonedDateTime. rules file is loaded again. logInfo("default. This of course means that at any time multiple timers may be running and when each one expires the As I am moving my rules to Javascript, and created some helper libraries on the way, I decided to pretty them up and make them available to everyone. 0 but you can try that or just plain rawState with the intValue() method. You could try it like this: var HTTP = Java. 0) a long time ago. These scripts can be manually triggerd / executed. This means that you can use a JS-Joda ZonedDateTime in any call to an openHAB Java method that expects a java. js Using openHAB 3. 0), installed this morning Issue of the topic: OH4: rules do not work anymore (no error) Hi! Today I updated OH from 3. But when I try to add a variable, the response does not include the variable. For global variables (i. Now I try to migrate and do not know how to Perhaps I just can’t see the forest for the trees, but is there a tutorial somewhere on how to use the new rules with scripts? I never used scripted rules except some JS-transformations, so I don’t seem to get, how I can use variables like channels or variables in jython or JS - and how I start the rules and whatnot 😉 I’m lost and need some intro to using Hello, I have been trying to install and run JavaScript Rule/Scipts. Instead of erroring out it sets openHAB provides Quantity Type features, which can seem baffling. I am slowly accomplishing this and have a decent understanding of putting together items statements. Now OH3 leaves me completely helpless, feeling like an idiot when it comes to Python rules. 2 / Container Manager 20. floatValue Platform information: openHAB Hardware: Raspi 3 B+ (Raspian OS 10) openHAB Software: 3. 036 [ERROR] [org. toInstant. This functionality can be disabled for users who prefer to manage their own imports via the add-on configuration if you insist on wanting to code Rules in a more functional way, use the JSR223 binding and code your Rules using Jython, JavaScript, or Groovy. Creating JavaScript Scripts. g. 7 openHAB version: 4. rules", "At Home state is: I think this should’t be the problem. Also included is openhab-js, a fairly high-level ES6 In this article, you will learn the steps and commands to create powerful rules in OpenHAB 3 using the language JavaScript. However, I need some assistance, and I kindly ask for a hint. Anyway having said The openhab-js library and add-on has a bunch of stuff built into it that automatically converts between the JavaScript and the Java versions of these classes so that you can use the pure JavaScript classes in your rules. Another approach could be to use a looping timer (also available in openhab-rules-tools) and a queue to work off in that. handler. The commands are shorter, more user-friendly and there is no need anymore to import Java libraries Hello, I have been trying to install and run JavaScript Rule/Scipts. 04. I’ve tried using the org. A rule that runs periodically and calls a user defined rule with the list of Things that match a configured criteria. To convert a rule like In OH 3 one can create a script. plusSeconds(300)) ]) end But openHAB rules are not Xtend and this doesn’t work. The openhab-js library and add-on has a bunch of stuff built into it that automatically converts between the JavaScript and the Java versions of these classes so that you can use the pure JavaScript classes in your rules. Full documentation for the openHAB JavaScript library can be found at openhab-js (opens new window) # Items. var String ChromecastDeviceName. Fortunately, js arrays have a filter method to do exactly what you want: pare down an array by following some rule or test. I’ve shown work examples in DSL rules language, see below for other scripts examples. I have a generalised rule which updates the Status of a room based on triggers from a motion sensor and a timer. See openhab-js : rules (opens new window) for full API documentation. 2 openHAB Bindings: Homematic Binding (logging the heating, controlling lights and blinds), Gardena Binding for Gardena Gateway / smart irrigation control (logging soil humidity), Alexa Binding (controlling I‘ve added an Item to a group which is observed in a JS rule. I have the following rule made but it does not give me the result of each day it just gives me the results from the day until now. 211483294 W” presently default persistence is RRD4j and is filled (see pic) The following JSScripting worked flawlessly: var interval10min = time. Therefore I would like to use the sun azimuth value from the astro binding. x) I don’t find an explanation for Javascript or I don’t understand it. intValue (<Item>. My comparison, like: blah. 3 Depends on openhab-js 4. I’ve only This add-on provides support for JavaScript (ECMAScript 2021+) that can be used as a scripting language within automation rules. Unfortunately the azimuth is presented as float, and so I did not find a way to trigger with Hello - have a super noobie question - is this allowed in rules? I’m pretty sure it isn’t - which means that I’ll have to check the evening switch in the ‘then’ clause? when (Item XBMC_Status changed to Pause or Item XBMC_Status changed to Stop) and Item Evening = ON then xxxxx otherwise It’d have to be when Item XBMC_Status changed to Pause or Item the rule “name”/when triggers/then code/ end and globals stuff is unique to the Rule’s DSL Those are the major differences I’ve encountered. My development is based on the openHAB Helper Libraries, so I hopefully did not re-invent every existing wheel. How do I bring OH3 into the respective Log-Level? Use Case: Especially in testing of new rules, I’d like to insert bazillion of log-outpus, which are helpful for debugging I don’t want to comment each and every log out, if I’m ready also: if I return to a rule, because I’d like to add I’ve managed to port a few of my rules over to OH 3 using MainUI and JavaScript and this article will have a couple of examples and some lessons learned. The rule will be created and immediately available. 1f°C", lage, temp) In OH3 Javascript rules I try to use these code: var String Ausgabe = Raspberry Pi 3 with openhabian openhab 4. I just can’t work out how to actually call the script from a rule. /** * Rules namespace. callScript method, but the Hi, everyone! I’m new in OH, so, sorry if this is stupid question. I somehow made it through the old rules system, mainly by studying rules of others. I have followed this intructions: JavaScript Scripting - Automation | openHAB I have also installed modified helper libaries from Ivan: GitHub - Craz The JS Scripting add-on uses the js-joda library for all date time types. Hi guys, I use openHAB 3. openHAB uses java. Unfortunately the azimuth is presented as float, and so I did not find a way to trigger with If you have JavaScript examples you have used then put them here so others can cut and paste them to help getting used to using JavaScript rules. JustinG: I Platform information: Hardware: VM with 2GB of RAM OS: Ubuntu Server 22. The openHAB JavaScript library provides type definitions for most of its APIs to enable code completion is IDEs like VS Code (opens new window). # Creating JavaScript Scripts. rules files. With the I have a list of rules in mind for which I think it would be great to make it easy for users to use them. Another alternative is to use something like the Gatekeeper DP (also available as a library in openhab-rules-tools) to schedule your actions. Am I going about this wrong is there a better way? Also I would like to round the results to 2 decimal places but They did get rid of it, no Joda time used in openHAB. DateTimeType A DateTime Item carries a DateTimeType. 840000152587890812 I would like to see that the first value would become -0. Now I’m tying to create a timer that will send a notification when my garagedoor has been open for 30 min. I have a rule that worked in openHAB 2 without any problems: import java. intValue(); var Most notably, we have upgraded JS-Joda to the latest version, which brings several fixes to JS-Joda (accessible from the time namespace) and also managed to shrink the size of the compiled, add-on included openhab-js library, which I hope speeds up library injection. Also, the Javascript in a rule Action is interc SwitchableJSRule will delete the old Item and then create it anew. As you have seen by now, there are multiple openHAB JavaScript Library for JavaScript Scripting Automation - GitHub - openhab/openhab-js: openHAB JavaScript Library for JavaScript Scripting Automation . sleep(1000); Note, while long running rules like this are not the same sort of problem as they were in OH 2. ZonedDateTime. 00 and the second one 0. 0 I migrated form OH1 to OH2; quite a few rules are not working, mainly due to unitialised items. Thank you, JS Scripting allows for different Log-Outputs: console. state = Dear community, we have just released a new version of the openHAB JavaScript library: version 5. ScriptActionHandler] - Script execution of rule with UID '7a9d6a5b50' failed: <eval>:6:1 Invalid return statement return; ^ in <eval> at line number 6 at column Such code should give you the difference in seconds, calculation from there should be easy. 4 was developed and tested with Java 11. rule "This is my rule" when Item MyItem changed then // a bunch of code goes here end You are looking at a text based Rules DSL rule. I’d also like to know the correct way to define this in OH 3 via MainUI. getItem("KOS_PVPower"). First at this point spezial thanks @lewie for his work and share of helper librarays. "Rules" are used for automating processes: Each rule can be triggered, which invokes a script that performs any kinds of tasks, e. An important warning is worth mentioning here. What’s covered on the 2nd link was what i’d been trying to find. franks (Frank Seidinger) May 6, 2024, 11:26pm 1. Thank you, the store in the cache is correct but the ID for the timers seems to bel starting at 1 for each rule so they are private to the rule. At this point I have a Problem to update an item which is stored in an influxdb. core. See openhab-js : rules (opens new window) for full API documentation # JSRule. This is what I have that’s not working: val mailActions = If you have JavaScript examples you have used then put them here so others can cut and paste them to help getting used to using JavaScript rules. 1 via my browser to its Main UI and continue to stumble around wrt Javascript rule & script writing. Now I would like to transform those data with javascript. rawState. However, what I want to achieve is to select particular scenes from rules. */ // typedefs need to be global for See the docs for the chosen language for details on how to write rules in files for that language. change the way item states are displayed 2. All have similar features, if different syntax. the Hi, Apologies if this has been covered before. I installed the ‘JavaScript Transformation’ with Paper-UI. java. I have had problems trying to find JavaScript examples in the past and then I had to work out whether it was DSL or JavaScript as they are similar Not sure if you need the osgi functions of the OH script helper libraries. In the rules you can execute a scipts as an ‘action’. 4 Hi, in a JavaScript (ECMAScript 2022+) UI Script with the trigger When the state of an item group changes I can get the triggering item name and state, e. Using Platform information: Hardware: Pi3B - ARM Cortex-A53 1. Clearly, this requires a little script, and As rossko points to, you will need to use my js-rewrite branch to get your rules working. state as DateTimeType). 000000000000000125 -0. toString) var String Ausgabe = String::format("%s bei %. The script should be used I am using openHAB 3. Platform information: Hardware: Dockerized Openhab on a Proxmox VM Host OS: Debian Bullseye Java Runtime Environment: 17. Hi everybody, is there a possibility to have an early return within a JavaScript Script in a rule? Something like: This throws me the following error: 2020-12-29 22:36:09. Unfortunately, this is currently not possible as I cannot migrate my rules. Previously I have used openhab 2. There is less support here on the forum but lots of users are a lot happier not being constrained by the purposefully added limitations in the Rules DSL. Using the IIFE syntax, I’m able to get an isolated function where I can declare my classes and use the minified framebuffer. But sometimes, here (iPhone) app stops updating (or at least there’s a disconnect somewhere), and as far as openHAB is concerned, she doesn’t leave the house. I found a way to start scenes with JavaScript using the following code: rules. I created a Hello Community, I’m working on the JSR223 rules for a while now. That will prevent them from running on to of each other. I’m especially curious how should it look like for #3 (Get DateTimeType from Java Time) and #4 (Get Java Time from DateTimeType) in javascript, as these are between Hi, i am trying to compare dates in items and just can’t work out how to do it. 0 ECMA-script 2021 I have been looking into updating my rules to using UoM and openhab-js and make use of the new opportunities offered in openhab-js 4. 2 we are proud to announce a greatly enhanced version of the GraalVM based JavaScript engine, JS Scripting (opens new Dear all, in OH2 I’ve used String::format in DSL-Rules: var Number temp = ((HausAussentemperatur_ActualTemperature. See the add-on's reference for how to write rules in text files which is outside the scope of this tutorial So if you define a variable with val or var before any of your rules, those variables exist and persist outside the rules and will remain defined and keep their state until the . openHAB. I have a common piece of JS code that needs to be called from a number of rules, that I have tested and working in the OH3 UI Scripts interface. My goal was to use TypeScript to create my rules. I am trying to use the filter function with the short notation on an array: var items = itemRegistry. I’ve managed to polish off my primary rules so they use JS Scripting and the openhab-js library it comes with. M5 I have a json-object which I like to evaluate with javascript. Epoc is the number Hi, I’m currently working on a shutter rule,closing the shutters with the moving sun. . JSRule({ . Then, after creating the rule, it tries to initialize it to its most recent historic state which should be OFF. rules’ where I put all things related to notifications. 0 Build 2351 I guess it’s time to learn Javascript. null is something that is only meaningful in Rules and means a variable doesn’t have a value. it is a Aeotec Smart switch which logs total KWh used. callScript method, but the Hi, do you need an int, or a float value? The casts should look like this: (<Item>. Generally speaking you would need to set up a timer for this, there are plenty of examples for light switches and garage doors in this forum. However, in the UI I still do not get the option to Hi, I’m trying to compare temperature on my virtual Item vs Heater item. So org. If there is a bug here, and I’m convinced there is, it’s in the loop I have been reading over the Javascript documentation to learn about openHAB’s Javascript language. prototype. Screen shots of code and logs are particularly unusable. Already tried with intValue & floatValue, but that didn’t gave the correct answer. openHAB 3. So I tried: var ago10secs = new Date(date. Every minute I’m getting a value of consumed energy in kWh (say Consumed_kWh item) and want to add this value to one of two items values - Day_kWh or Hello community, I upgraded to OH3 and now it is time to tranform my tv time calculation rule to javascript. withZone(DateTimeZone. [INFO ] [org. # JavaScript Scripting. 0. binderth (Thomas Binder) March 28, 2023, 7:13pm 3. But unfortunately the implementation has some limitation for module based scripts. Rather cumbersome but successful . itemName + " has changed to " + event. These notes intend to guide the rules author. turn on lights by modifying your items, do mathematical calculations, start timers etcetera. The node modules are installed, openhab-js is up-to-date according to openhabian, and I restarted the server. What i want to reach is to get the triggering Dimmer name. # JSRule. See JavaScript Scripting - Automation | openHAB for how to call executeCommandLine. The Item will change to OFF and the rule should become disabled. actions. trade having a few more Items and Groups for massively simpler Rules code. 9. But of course you can write your own rules and scripts in javascript or jython or node red etc. openhab-js. var myHour Hi all, I have created a ‘Notifications. I had this rule working with one room but am trying to adapt to work with the corresponding room name and am stuck on the part/or basically how to concatenate strings and variables together in a rule. ItemStateChangedEvent] - Boiler_Sensor_Input2Alarm changed from ON to OFF 2020-09-12 12:22:44. I hope these are useful to someone out there. 84. I did search and couldn’t find it. unless the door is closed before then it needs to be cancled. The second part I’m trying to communicate with a device that expects a base64 encoded Flatbuffer and for this have started writing a Javascript rule in OpenHAB 4. How can I create the scripts in javascript for the Scripts section in file-based mode? I haven’t found any information that can help me. JSRules provides a simple, declarative syntax for defining rules that Install JSScripting Language. 2GHz/1GB Ram/120GB SDD over USB OS: OpenHabian 3. concat+=("ChromecastAudio" + room + "Volume") openHAB version: 3. But when you load your library, it doesn’t automatically have access to that injected stuff like events. It’s because events is part of the context that openHAB injects into your rule (a Script in MainUI is just a special case of a rule). convert data inside a binding States and displayStates An item receives its raw state value from the binding via the channel link (or internally with rules). 4 (updated to this version from 3. Because this code works: rule "WindowsClosed" when Item iKonferenz_Homematic_Fenster1_Position changed to CLOSED or Item iKonferenz_Homematic_Fenster2_Position changed to CLOSED or Item iKonferenz_Homematic_Fenster3_Position changed to CLOSED or Item Hello, I get a DateTime object for the current point in time using DateTime. I want a rule/script that ensures some lights are ON or OFF after openHab restarts or after the lights’ smart switch comes back ONLINE. Beyond that, Rules | openHAB, Xtend - Expressions, and Topics tagged designpattern will be your You’ll have to create rules using the raw openHAB Scripting API, an example of which you can find at JSR223 Scripting | openHAB. util. toEpochMilli) val Date2 = new DateTime(( mqtt_sensor_door_LastUpdate2. debug('Populating record from Item metadata or rule defauls'); const md = ("openhab-js library Version: " + utils. 1 with the JavaScript Scripting plugin installed. rules ] - Adding rule: Danfoss boost new 2021-12-29 14:30 I’ve created simple rules using “SimpleRule()” and added it to the Registry using “UID=automationManager. 4. I want to re-start this topic and like to hear your thoughts whether it is time to leave Rule DSL especially in the context of what Kai Kreuzer posted yesterday here (blog on openhab. 1 using Javascript and access via MainUI Astro binding added for sunrise and sunset. JSRule() and inserting the files inside the /conf/automation/js folder. In general this rule engine aims to support rules defined with syntax similar to: ON item_id state changed IF item_id. 1, and Blockly) File based rules can be created in 2 different ways: using JSRule or the Rule Builder. The underlying problem I have a rule that’s triggered when both me and the lady of the house are away. 1). x) My only problem with this that it contains only DSL rule code samples 😊 and the topic is closed now. 0, ECMAScript Edition 11. JSRules provides a simple, declarative syntax for defining rules that will be executed based The quickest way to add rules is through the openHAB Web UI. Thank you, There is a great tutorial for OH3 date conversion here: DateTime Conversion (openHAB 3. Thread. 🙂 The two libraries I came up so far are logger. * * @namespace rules. rules files (also know as DSL Rules), and not any other types of rules/scripts such as those for the Experimental Rule Engine or JSR223 Scripting. At that point they are destroyed. On top of that, Temperature type Quantities have a few quirks all of their own. Please have a look at the changelog to learn more about the changes. But I simply do not want to. plusSeconds(300), [ | logInfo("Timer Rule", "Retrigger 5min") timer. debug console. For example, one can run it once a minute or so and call another rule with the list of Things that are OFFLINE, or the ones that are not ONLINE. newState). x-Rules use a Joda DateTime class to represent time, most notably now. If you define a variable with val or var after a when, that variable will only exist while the code until the end is reached. It’s been challenging for me as I am not a programmer and I first had to figure out how to interpret the documentation 🥴. ) you Concept. import { rules, triggers } = require('openhab'); . toRGB function. The rule defines one Action, a JavaScript script that loads some libraries and sends me an alert, but only once a day. Any idea how to handle the necessary authorization? Thanks Jens Just to complete the circle, all the methods supported by timers is documented in the JS Scripting add-on docs as well. val Date1= new DateTime(( mqtt_sensor_door_LastUpdate1. x rules use Jodatime instead of Java Time API, there is still the old DateTime Conversion thread for openHAB 2. That works with the current state, but not with an historic state? var PVLeistung = items. According to the Jodatime API, this can be done using DateTime. From a technical perspective a rule internally holds a so-called MIME-type that tells openHAB how the generated JavaScript language has to be interpreted. 0 opnhab-js 4. rules file. convert data in rules 4. The rule engine structures rules with Modules (Triggers, Conditions, Actions). openHAB version: 3. Below the code how it should look Hi, This is my first post here. I have had problems trying to find JavaScript examples in the past and then I had to work out whether it was DSL or JavaScript as they are similar. Actually, WT. Hi all, I need to call a openHAB Rest API from a rule to Disable a Thing. items file? Am trying From a rule, I receive the following values from 2 different items (it’s the delta between 2 times): -0. Example. minusMinutes(10); var ueberschussAVG = I’m receiving data from my Sunny Boy solarinverter through modus-tcp. too many decimals, not the thank you. state as running OH 4. getTime()); I’d like to create: the JS-date from 10seconds ago the JS-date from my DateTime item so, I can compare them. I have followed this intructions: JavaScript Scripting - Automation | openHAB I have also installed modified helper libaries from Ivan: GitHub - Craz Hello everyone, I am currently still using openhab 3. When I will run below piece of code with Logs I see that “°C” is being Install the openHAB JavaScript Scripting add-on, a version of this library will be automatically installed and available to ECMAScript 2022+ rules created using File Based Rules or UI Based Rules. I’m trying to pass the contents of a variable into the log file but it’s not working as expected: When I push a ‘test’ switch a rule triggers and records a log entry, absolutely fine. This add-on includes by default the openhab-js (opens new window) NPM library and exports its namespaces onto the global namespace. However, the DateTimeZone class is not available in jsr233 / JavaScript. I have a script that works with Rules DSL but I’m trying to set up a timer with it and I think I need javascript for that. Now I would like to calcuate with a rule the min and max value of the temperature but I have problems to find the error 😨 😡 My code: var float Room2TempTodayMin = 0 //var float GenericMQTTThing_Room2Temperature_float //var float Room2TempTodayMax = 0 var Because openHAB 2. x. I tried the following options below and got the results below below. To start the various sections, I plan to set timeouts every day at midnight (or when the irrigation is activated in general). If such variables are accessed before they are initialised they will have a value of null and cannot be used for simple boolean comparison (unless you cheat and Platform information: Hardware: Raspberry Pi 3B OS: Raspbian Buster Java Runtime Environment: Zulu (openjdk version “1. or is receivedUpdate() correct?. 5 rules DSL, if this rule is likely to be triggered several times that means those triggers will queue up and this rule may be constantly running #openHAB 3 / openHAB 4 - Migration # Migrating Blockly rules to openHAB 4 is easy From openHAB 4 on, the default script engine is GraalJS when Blockly creates new scripts. Just as no javascript used in openHAB. 0 Issue of the topic: I’m trying to setup an irrigation configuration. I am have trouble getting the Exec. Everything you need to use that Helper Library is imported by default (though that can be turned off if desired). 0 3 days ago, no issues) to 4. What am I missing? var HSB = new Rules¶. NULL is a state that indicates that an Item is uninitialized. now()); What format do I use in Javascript to update Openhab datetime item? I’m getting the following error: 2021-12-31 16:02:40. Hi, it’s a general question about openHAB 3 and Rules. I get this in the logs: 2021-01-02 Hi all, I need to call a openHAB Rest API from a rule to Disable a Thing. My problem is not the logic itself but the syntax lets say we have 2 items which belong to the same equipment and names are prefixed in the same way: SqueezeBedroomPlaypause SqueezeBedroomPower Platform information: Hardware: Synology 918+ 12 GB RAM (OH in Docker) OS: DSM 6. But now to the main problem: I migrated all my DSL rules to openhab-js (4. My issues have to do with using the Astro binding add-on programmatically from Javascript. time Hi, I’m taking the first baby steps towards migrating my DSL rules to JavaScript. In the js helper library, items is a specially defined object with several unique functions such as getItemsByTag. js, line 226; Example #Introduction to Blockly. This add-on provides support for JavaScript (ECMAScript 2022+) that can be used as a scripting language within automation rules. I’m not sure if both items have to have exactly same Class ? I picked same Type Number:Temperature. * This namespace allows creation of openHAB rules. * internally. Are there isolated properties that can tell me the dimmer name and the This is JavaScript so accessing some things are necessarily a little different from Rules DSL. What’s new in 5. 0 & 5. type("org. rules ] - Failed to execute rule Garage Hello all, I’m new to Openhab and OH3 so excuse me if i missed something. I’m trying to make UI rules (OH3), with actions in Ecmascript 2021. change the item states 3. I’m working on a rule right as I type this that uses this syntax. 5 (which is still running) and I am trying to “port” over some of the rules I have in 2. The second time they run immediately as expected. js, line 226. See JavaScript Scripting - Automation | openHAB for details on adding conditions in text based rules. getTime() - diff*10000) var lastAction = new Date(items["LastActionTime"]. Supposedly this would work if I would use JavaScript. For this I want to use an item in which the date and time are stored permanently. I’m trying to get the value of an item without unit. I am doing this on Openhab 3. Due to the now needed authorization just sending a sendHttpPutRequest (as described here: [SOLVED] Enabling and disabling Things from for example Basic UI) is not possible anymore. Hi, I wanted to test scenes in OpenHAB. @lewie’s libraries were moved into the openHAB Scripter’s repository back in May 2019 and have had several updates and new libraries added to them. Had read some articles about an issue with using previous state/value of an item. I think I have a small comprehension problem and I hope you can help me to solve it. log: 2020-09-12 12:22:43. It even allows you to learn how write your own JavaScript by looking at the code that Blockly generates in the background and this code Anyone out there that have working JavaScript examples of how to use/create timers in rules? I am trying to translate my old DSL timers (that can be restarted) to OH 3 JavaScript rules. name: I’ve managed to port a few of my rules over to OH 3 using MainUI and JavaScript and this article will have a couple of examples and some lessons learned. That’s why both triggers exist. I simply wanted to program a switch that is set to ON after 3sec. 10. However, if that were all that were going on, trigger from an “old” member should still work even if a “new” member . There is more planned for the JS helper libraries, but that will require OH to be This is my first stab at a JavaScript Rule, and I’m also setting up a new installation managing 14 air conditioners, with more to come later. A list of Things that Hi, is there somewhere a tutorial wich properties or functions the event object has that is injected into rules scripts? I’ve found the link below but I’m still a bit confused. I have desperately researched, but found nothing zufriendstellendes. I can make it work if I HARD code the I do not understand why? Yes. Rules. rules. You don’t read much about JSR223 Nashorn, but it’s pretty awesome actually, not sure how it compares to Jython but it openend a whole new level Introduction. It is based on GraalJS from the GraalVM project. I have created a new ‘var Timer "name"Timer = null’ for each Item I want a timer attached to. What I need is this time in time zone UTC. The results of members is an array of items; this is different and therefore you need a different approach. These features only apply to rules defined in . getItem(“Door_Last_Opened”). JSScripting addon installed. This add-on provides support for JavaScript (ECMAScript 2022+) that can be used as a scripting language within automation rules. debug(event. state as Number). I just started to play with Javascript rules in the GUI and try to send a Color to a Light. minutes and seconds) one can use time. I would like to formally announce the release of openhab_rules_tools. ArrayList var List<GenericItem> Hi, This is my first post here. # Parts of a Rule. rules file if exists in the . 1 rules, but in Jython, there was something you’d need to do in It still does not work. The problem is the old rules. The idea is to send the UID of the scene to Take note, not all automation add-ons support writing rules in the UI. Hi, Apologies if this has been covered before. However, it will work if you use a file based rule. If you see an example that has a structure along the lines of . The items namespace allows interactions with openHAB items. Klug) February 15, 2023, 6:35pm 3. Unfortunately, however Hi, I’m taking the first baby steps towards migrating my DSL rules to JavaScript. 0 Hi, I am currently playing around with Javascript (OH 3. So I think there is a good chance that it is available in the next snapshot, but if it is not, it should be in the next next Being a newbie, trying to make my way in rules. hasTag("Light")); In the log openhab complains with the following: Script execution of rule with UID ‘6e7f0ec618’ failed: :8:62 It becomes part of the add-on when I update the add-on’s POM, I am usually trying to open a PR to the add-on ASAP, but obviously I have to wait for a review (I usually ping @laursen who is really fast at reviewing and merging these PRs, thanks!!). The docs for the JS Scripting includes full documentation for how to create rules and scripts using the built in helper library. Just for reference, there is a Thread::sleep command that can be used to make a rule wait, but its purpose is only for very short waits, it should never be used for more than, say, a few hundred milliseconds. There are three issues I can’t seem to solve: Say these are my Items: Group:Number:COUNT(ON) Lighting_SwitchedCircuits Number:Power Please don’t post screen shots where possible. lang. variables that can be used and modified from multiple rules) you have to define the rules in a . Epoch The lowest common denominator when working with time is to get at the epoc value. 5. Java Time By default openHAB 3. rules, javascript, ecmascript-2022. I’m posting them here just so people can have some Creates a rule. Key part Just for sake of discussion, time. addRule(sRule)” from within a Javascript rule, this works well and does what I want. I’ve only rules/rules. 2 LTS Java Runtime Environment: openJDK 18 Issue of the topic: please be detailed explaining your issue: Hi, I wanted to create a rule which reads the HTML Code of a internal Website which shows the state of our Meetings Room and set the state as the value of an item. In this case we have some handy Hi, I’m currently working on a shutter rule,closing the shutters with the moving sun. In openHAB, rules are used to implement all of these concepts. The cache stores value not reference so I will try the createTimer to check if the handle is global to all rules or not. I fixed the typo, and now the rule looks right (same as I NULL is not the same thing as null. When using the received command trigger, the Rule will trigger before the Item's state is updated. This is what I have that’s not working: val mailActions = Gatekeeper is a class that allows one to space out how quickly some code can run after the last block of code ran. js rule files in VS Code, it doesn’t understand the “load” syntax for loading other . openHAB also provides the JavaScript Scripting (Nashorn) add-on , which is based on the older Nashorn JavaScript engine. testscript] - openhab-js library Version: openHAB - a vendor and technology agnostic open source automation software for your home. This add-on provides support for JavaScript (ECMAScript 2021+) that can be used as a scripting language within automation rules. now() has a method of getHour, but I can not make it work. I am pulling in a calendar, and am seeing events update from that, and I want to schedule rooms to be cooled some time before the event starts, and then revert to a different condition after the event is over. floatValue) var lage = (Localweatherandforecast_Wetterlage. In DateTime Conversion (openHAB 3. If you want to trigger the rule even when the Item doesn’t change as a result of an update than yes. If you use console. Did anybody else notice this behaviour? Is there anythng we can do about it? I must admit I have the feeling that the delay is increasing each time we have a new release or milestone but I might be wrong. state == desired_value THEN item_id2. I riceive with mqtt temperature datas as string Typ. event. 4 and would like to finally update to the latest version. filter(item => item. 954 [vent. I‘ve added an Item to a group which is observed in a JS rule. Now Rich (@rlkoshak) knocked me on the head already by saying along the lines "now is an opportune time to initialise your items properly. M2 I’m trying to figure out how to write a rule which does some things with the triggeringItem of a group. The JSR223 support in openHAB is an excellent start. Hi, is it possible to have openHAB check two conditions in a rule with OR? As far as I understood they are checked with AND per standard, but I don’t see a way to change that. I create two Items Sunrise and Sunset. I also read over the Semantics actions Platform information: Hardware: Synology Diskstation 720+ / INTEL Celeron J4125 / 10GB OS: DSM 7. I also read over the Semantics actions Hey there, I want to create a rule with the Automation/Scripts function using JS (ECMA Edition 11). OPENHAB_JS_VERSION); 2023-03-08 21:50:25. Transformations are used for four purposes: 1. x there are different ways to handle Date/Time values. For example, if you have a technology that cannot handle a blast of a bunch of commands all at once, I just wanted to leave this here for anyone tired of Xtext DSL rules / interested in JSR223. All variables are only available in the Script Action/Condition they are defined in. ofMinutes(1). runRule('UID of scene', {}) The problem is that my complete scene management works with Rule DSL, but I believe there’s a workaround. I know this is a common topic and i did a lot of research, but somehow i can’t get the example to work or they don’t apply to my case (found alot for DSL, but sadly can’t transition that to javascript). time. The scenes I have defined in the Hue bridge are showing up in the GUI and can be selected. I’ve done a lot of reading but for some reason I don’t get it to work. itemState); If the Script is triggered by a thing status change, how do I get the triggering I’m using a power value of a Zwave plug that perfectly works. As a trigger? It’s a known limitation that group based triggers (equivalent of Member of xxx in DSL) are actually constructed one by one from the membership that exists at rule load time. Library Updated code with new Hello everyone, I am currently still using openhab 3. Such a basic thing. 349 [vent. I check that with our tado apps. Don’t put DSL rules here as it will get confusing. state as DecimalType). For some reason the transform is returning NULL instead of null, probably to avoid errors in the log when there is no value that matches the JSONPATH. The javascript files are stored Is it possible to parse a JSON array in an Openhab rule? Yes. The actual rules, if they have the same Triggers, Conditions and Actions, are exactly the same, from the rule engine’s perspective. 2; I’m struggling with JS standard, built-in String. So I want to daily check whether she has allegedly left the house in Hi all, I followed the setup instructions at GitHub - openhab/openhab-js: openHAB JavaScript Library for JavaScript Scripting Automation to install openhab-js to enable ecmascript-2021. GraalVM JavaScript: While openHAB supports all of the scripting engines that get accepted as official addons, The JS Scripting (ECMAscript2021) is by far the most supported and useable alternative to DSL rules (especially out of the box). state === null t is the device which runs openHAB which tries to get something from itself. Epoc is the number Rules Next, we’re going to start talking about the biggest topic to tackle in the subject of home automation - the actual automation part. Download It's possible to use openHAB with a variety of different rule engines and automation technologies. When I try to convert the RGB value to HSV to be able to Send it I fail miserably because I seem to be unable to get a HSBType Object to use the . Now I try to migrate and do not know how to If using text based rules you can put the variable at the top of your file outside of the rules or continue to use the cache. time API to When using JS Scripting the Helper Library comes with the add-on and it’s just there. And i have to correct some other rules also. Unfortunately I can’t get it to work, also the search didn’t help me. The question is #Configuration. My problem is that I have not successfully mapped an item’s name to its corresponding Platform information: openHAB version: 4. I have an item called “tv_on There is a great tutorial for OH3 date conversion here: DateTime Conversion (openHAB 3. Now i have extended this one and want also share this. If you want to use the JSONPATH transformation, you’ll probably do one element at a time, because the transformation only returns one string. I decided to go for Javascript instead of Jython just out of personal preference. log at the INFO level. I am trying to use openhab 3 rules and I am using the javascript for that. 8. console. One has class Setpoint other just Point. Unfortunately I’m starting to see a pattern: Every time I edit and trigger a rule a few times, my system becomes very unstable and runs out of Java heap space. 1 which was the default for I’ve managed to port a few of my rules over to OH 3 using MainUI and JavaScript and this article will have a couple of examples and some lessons learned. org): “Javascript Script Engine In openHAB 3. Joda DateTime By default openHAB 2. I’m writing my rules in file-based mode, creating individual rules using the command rules. J-N-K (Jan N. js file and defined the variables in that same file outside the rules, just as you do with . Any number of room triggers can be added, without modifying the rule, as the rule works out which room status to update based on the trigger name. t is the device which runs openHAB which tries to get something from itself. 4 °C to Hello all, I’m new to Openhab and OH3 so excuse me if i missed something. model. First thing I thought about was the rule trigger: Item <item> changed [from <state>] [to <state>] and use the “to” state only. Any idea how to handle the necessary authorization? Thanks Jens After a restart of openhab, my JS scripts (Edition 11) require 16 seconds until they are executed the first time. value of the item EMS_Ueberschuss is “-2542. 2 is much more conveniant than before. js rules and creating them through the UI is that all that rule stuff (creation of the rule, setting of the triggers, etc. I have searched but I can’t find an answer to what seems to be a very simple question: What is the correct script for sending an email from a rule using javascript. However, I also need to delete rules I have created. hjvta bdqyxq qepgi mmnml qycvw vjzlis lbymov davhjw lkwddd xjhluvd