I am working on a POC to proof out the ability to get a list of all the new users who have been added to a specific Slack Channel. From my initial review of the Slack API I am not seeing anything that showcases this ability, I was curious to see if anyone had worked on something similar or could point me to resources that would be a viable solution.
I believe there is no ready-made API method available, that will give you that specific information. However, Slack is very flexible and you can use the existing building blocks to easily add additional features as needed.
E.g. To get the requested information you can develop a small Slack app that listens to the member_joined_channel and member_left_channel events to keep track of when members joined a channel.
If you need a historical record of membership in a channel, you could use the Slack API's groups.history method, page through results, and build a membership log by looking for events of type member_joined_channel and member_left_channel through time.
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I need to implement Slack user/channel suggestions dropdown to share something using the user's Slack token. And (AFAIK) Slack doesn't provide any search-by-name features, so the only way is to implement it ourselves.
Currently, I'm thinking of pushing all public channels (most likely, I will have to figure out how to do the same for private ones) and users' data into something like Elastic. And use Slack Events to keep it up-to-date.
Are there any best practices for this task? I'm pretty sure it's a more or less a trivial problem, and I'm not the first one who needs to implement such a solution - but surprisingly enough, I didn't find any off-shelf solutions to this problem
Have you considered using Slack's Block Kit feature? It offers both a conversations-select and a users-select dropdown menu that you can embed into messages.
https://api.slack.com/reference/block-kit/block-elements#select
I might be missing something really simple but don't seem to find the solution.
I have created a quick and simple app which is meant to do some processing every morning and then send some logs to Slack.
I have been perfectly able to do so using Incoming Webhooks. Cool. The "problem" is that it requires me to set it up from the app settings (aka it obviously makes me define a specific channel for the Webhook so I can have the specific URL) and that's something I like a bit less.
I thought it'd be easier if I can just add/integrate the app on a channel using the Slack UI so I don't have to worry about having to know beforehand the channel(s) ID where the message has to go to and also any other user would be able to integrate in any other channel they consider.
I have integrated it on my testing channel (all good) and tested chat.postMessage (all good) but it still needs the channel (obviously). However, using conversations.list lists ALL channels and that's the opposite of what I'm looking for.
I need a way of getting just those channels where the app is integrated so I can post the message to those and only those.
Is this something that Slack doesn't allow or I'm just missing something very obvious here?
I hope it makes sense and someone can shed some light on this :)
You can use users.conversations method to get list conversations the calling user/bot may access.
https://api.slack.com/methods/users.conversations
Use Bot token to call the API.
Use type argument to search public, private, mpim & im conversations
https://api.slack.com/methods/users.conversations#arg_types
Mix and match channel types by providing a comma-separated list of any combination of public_channel, private_channel, mpim, im
Trying to parse through the Microsoft Documentation of this is a bit of a challenge.
Our use case is that we want the app to receive broadcasts from an external service. On that broadcast we want it to send a personalized message to every person in the team/org.
Is that at all possible? Doing this in Workplace and Slack was fairly straight forward but i'm going nowhere fast with Teams. Connectors seem weird and user-based, not team based, requiring you to set up a config page for it? Bots seem centered around AI interactions and on demand features and general apps? Not sure.
So yea the question is, is it possible. If so i would appreciate to know where to look for how to do this.
Yes, this is definitely possible. If you're wanting to send to a Team (i.e. a Channel within a Team) you can use either a bot or a webhook. If you want to send to individuals or to group chats, then you'd be looking to use a bot.
For webhooks, see Post external requests to Teams with incoming webhooks. For bots you can start here, and in that case you'd want to look into something called "Pro-active messaging", where the bot is sending a message on it's own, rather in response to a user's initial message.
The Pro-active messaging can be a bit tricky, so if you do want to go that approach (1 to 1 messaging), let me know in the comments and I give you some more guidance. However, I'd suggest rather looking at messaging the Team, and creating/using a relevant channel, rather than sending every user a 1-1 message.
we are implementing stream in our application and so far we love the out of the box react components as well as the backend implementation stream ruby - this is our setup currently.
We are close to deploying a first MVP but found that it seems to be not possible to post activities to a flat feed from multiple users by default.
Our use case is that we have a group of people that want to post activities about a certain topic (think facebook groups). Therefore we create a feed for the object (lets say a company) and want each user to be able to post activities there. Our current workaround is to add the author id as additional data and add a custom header to a activity - obviously not the best solution as reactions won't work that way.
Looking around we found that this seems to not work out of the box see this issue and this question.
Is this a feature that is only available to paying customers or how can we activate it?
Thank you in advance!
When using Stream with React users can only post to their own user feed, this is a default permission policy that can be changed by Stream.
I suggest reaching to Stream support by email and ask to change the permission policy.
I really like Slack but my organization won't allow it if we cannot disable file sharing features. I'm trying to find out whether I can either disable uploads of certain file types or hide the file library all together. Their support says there's no way to do this natively but is this possible with the API?
No, not to my knowledge. The main focus of the API is not to configure your Slack team, but to enable bots and 3rd party apps to communicate with your Slack team and retrieve information. All core configuration for your Slack team has to be done in admin settings and apparently you have already learned from Slack support team that you can not deactivate file sharing in admin settings.
But I think I might have a solution for you. You can create a Slack bot that automatically blocks sharing of files in channels. (technically the bot would auto delete any message that is a file share form a user). Users would still be able to upload files, but they wont be able to share them. At least not in any public and known private channel. However there is a caveat: As I understand the bot would not be able to block users from sharing files in direct messaging channels though.
We are using a similar bot to block messages from unauthorized users in some private channels, which works nicely. Our bot is a simple Slack app with a bot user and using the Events API to receive all messages from all channels he is invited too. The bot then checks each new message and deletes the ones that does not fulfill some criteria. In our case if the message comes from a user that is not on the whitelist.