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658 Commits

Author SHA1 Message Date
Wim 3418e8c9af
Use upstream whatsapp again (#809) 2019-05-30 12:20:56 +02:00
Wim 1829dc3d9f Allow messages from other bots (discord). Fixes #816 2019-05-01 18:10:31 +02:00
Wim 65781b9316
Disable user lookups on delete messages (slack) (#812) 2019-04-23 23:29:15 +02:00
Duco van Amstel 9be0be0316 Add lacking clean-up in Slack synchronisation (#811) 2019-04-23 23:08:34 +02:00
Wim fed77cccf3 Handle unthreaded messages (mattermost). Fixes #803 2019-04-19 23:31:45 +02:00
Wim 9b520dfb78 Fix panic on nil message.Post (mattermost). Fixes #804 2019-04-19 23:08:41 +02:00
Wim 2d277a15f5
Add scripting (tengo) support for every outgoing message (#806) 
Adds a new key OutMessage under [tengo] table, which specifies the location of the script that
will be invoked on each message being sent to a bridge and can be used to modify the Username
and the Text of that message.

The script will have the following global variables:
read-only:
inAccount, inProtocol, inChannel, inGateway
outAccount, outProtocol, outChannel, outGateway

read-write:
msgText, msgUsername

The script is reloaded on every message, so you can modify the script on the fly.

The default script in https://github.com/42wim/matterbridge/tree/master/internal/tengo/outmessage.tengo
is compiled in and will be executed if no script is specified.
 2019-04-19 18:27:31 +02:00
chotaire 6b47e29583 Add verbose IRC joins/parts (ident@host) (#805) 
New configuration setting: VerboseJoinPart (default is false)
 2019-04-18 23:56:05 +02:00
Wim 380c38674c Fix deadlock on reconnect (irc). Closes #757 2019-04-15 23:28:47 +02:00
Wim 5677c912a8
Add useraction support (rocketchat). Closes #772 (#794) 2019-04-08 23:30:22 +02:00
Wim 7a24de15e4
Add tengo support to RemoteNickFormat (#793) 
This commit add support for using the result of a tengo script in RemoteNickFormat using {TENGO}
Also adds a new toml table [tengo] with key RemoteNickFormat and value location of the script.
This also moves the TengoModifyMessage from [general] to Message in [tengo]

Documentation:

RemoteNickFormat allows you to specify the location of a tengo (https://github.com/d5/tengo/) script.
The script will have the following global variables:
to modify: result
to read: channel, bridge, gateway, protocol, nick

The result will be set in {TENGO} in the RemoteNickFormat key of every bridge where {TENGO} is specified
The script is reloaded on every message, so you can modify the script on the fly.
Example script can be found in https://github.com/42wim/matterbridge/tree/master/contrib/remotenickformat.tengo

[tengo]
RemoteNickFormat="remotenickformat.tengo"
 2019-04-08 20:58:21 +02:00
Wim 8a875f292e Revert fix for #722. Closes #781 
Revert "Fix typo"

This reverts commit dffd67eb31.

Revert "Handle quit message relay better on gateways with one channel on the irc bridge #722"

This reverts commit 240559581a.

Revert "Support quits from irc correctly. Fixes #722 (#724)"

This reverts commit d76a04bd0a.
 2019-04-06 23:12:48 +02:00
Wim 60a85621ea Return when not connected and drop a message (irc). Fixes #786 2019-04-06 22:34:41 +02:00
Wim cdf33e5748 Use default nick if none specified (irc). Fixes #785 2019-04-05 00:17:46 +02:00
Wim 01d0a9f412 Handle nil message (telegram). Fixes #777 2019-04-05 00:04:08 +02:00
Wim 8cc2d3b4fe Revert "Bail if any vars are nil, not if all (telegram) (#778)" 
This reverts commit efd2c99862.
 2019-04-05 00:02:26 +02:00
Wim 64b57f2da3
Ignore message_replied and hidden messages (slack). Fixes #709 (#779) 2019-03-27 22:54:18 +01:00
David Hill efd2c99862 Bail if any vars are nil, not if all (telegram) (#778) 2019-03-27 21:00:57 +01:00
Wim 16763b715a
Look up #channel too (rocketchat). Fix #773 (#775) 2019-03-24 20:15:15 +01:00
David Hill 97f9d4be67 Fix double unlock (slack) (#771) 2019-03-21 17:30:28 +01:00
Wim 77516c97db
Allow the # in rocketchat channels (backward compatible) (#769) 2019-03-20 23:19:27 +01:00
Duco van Amstel 8b754017ca Fix race-condition in populateUser() (#767) 
Fix the root-cause of #759 by introducing synchronisation points for
individual user fetches.
 2019-03-20 22:54:31 +01:00
Wim a27600046e
Fix regression for legacy slack by #766 (#768) 2019-03-20 22:52:23 +01:00
Duco van Amstel fb2667631d Refactor channel and user management (slack) (#766) 2019-03-15 21:23:09 +01:00
Duco van Amstel b638f7037a Force Slack link unfurling (#763) 2019-03-12 22:56:43 +01:00
Duco van Amstel 74699a8262 Split-out Slack user and channel management (#762) 2019-03-12 22:52:36 +01:00
Wim e955a056e2
Trim <p> and </p> tags (matrix). Closes #686 (#753) 2019-03-03 00:29:29 +01:00
Wim 53aa076555
Do not send duplicate messages (rocketchat). Fixes #745 (#752) 
For an unknown reason we get duplicate messages (from the same channel)
using the realtime API when we have > 1 channel subscribed on.
Solution for now is caching the message ID in a LRU cache and ignoring
the duplicates.

This should be reviewed when we have actual editing support from the
realtime API
 2019-03-02 22:58:14 +01:00
Wim f57370f33a
Add support for URL in messageEntities (telegram). Fixes #735 (#736) 2019-03-02 22:38:44 +01:00
Wim c557d51b6f
Need to specify /topic:mytopic for channel configuration (zulip). (#751) 
Breaking change for zulip channel configuration.

For zulip the channel configuration will now need to specify also
the topic with /topic:yourtopic.

Example:
[[gateway.inout]]
account="zulip.streamchat"
channel="general/topic:mytopic"

This fixes the incorrect PR #701 which didn't work with multiple
gateways.
 2019-03-02 20:31:38 +01:00
Wim df3fdc26a0
Use whatsapp forks (#750) 2019-03-02 13:04:28 +01:00
Wim af00c34aac
Do not relay any bot messages (discord) (#743) 2019-02-28 12:59:52 +01:00
Wim 26a7e35f27
Add MediaConvertWebPToPNG option (telegram). (#741) 
* Add MediaConvertWebPToPNG option (telegram).

When enabled matterbridge will convert .webp files to .png files
before uploading them to the mediaserver of the other bridges.

Fixes #398
 2019-02-27 00:41:50 +01:00
Wim b09a73040f
Print errors as string instead of %#v (#738) 2019-02-26 17:21:23 +01:00
Wim 740b5f2602
Keep reconnecting until succeed (zulip) (#737) 2019-02-26 17:08:20 +01:00
Wim 96841c70c7 Fix regression in HTML handling (telegram). Closes #734 
* Revert back to blackfriday v1
* Add testing
 2019-02-24 15:13:56 +01:00
Wim a775b57134
Do not send topic changes on connect (xmpp). Fixes #732 (#733) 
This checks if we get a topic change < 5 seconds after connection.
If that's the case, ignore it.
Also this PR makes the topic change an actual EventTopicChange.
 2019-02-23 23:03:21 +01:00
Wim bf21604d42
Make all loggers derive from non-default instance (#728) 2019-02-23 22:51:27 +01:00
Wim 1bb39eba87
Add scripting (tengo) support for every incoming message (#731) 
TengoModifyMessage allows you to specify the location of a tengo (https://github.com/d5/tengo/) script.
This script will receive every incoming message and can be used to modify the Username and the Text of that message.
The script will have the following global variables:
to modify: msgUsername and msgText
to read: msgChannel and msgAccount

The script is reloaded on every message, so you can modify the script on the fly.

Example script can be found in https://github.com/42wim/matterbridge/tree/master/gateway/bench.tengo
and https://github.com/42wim/matterbridge/tree/master/contrib/example.tengo

The example below will check if the text contains blah and if so, it'll replace the text and the username of that message.
text := import("text")
if text.re_match("blah",msgText) {
    msgText="replaced by this"
    msgUsername="fakeuser"
}

More information about tengo on: https://github.com/d5/tengo/blob/master/docs/tutorial.md and
https://github.com/d5/tengo/blob/master/docs/stdlib.md
 2019-02-23 16:39:44 +01:00
Wim 1f1634ea59 Add extra debug option (slack) 2019-02-22 19:36:50 +01:00
Declan Hoare a7dd033c3b Allow sending discriminator with Discord username (#726) 2019-02-22 14:28:27 +01:00
Krzysiek Madejski 55e79063d6 Add initial WhatsApp support (#711) 2019-02-21 20:28:13 +01:00
Wim d76a04bd0a
Support quits from irc correctly. Fixes #722 (#724) 2019-02-17 22:43:04 +01:00
Wim a8fe54a78d
Allow zulip bridge to specify topic per channel. Closes #701 (#723) 2019-02-17 21:50:05 +01:00
Wim 0bcb0b882f
Support join/leaves from discord. Closes #654 (#721) 2019-02-17 21:49:45 +01:00
Wim aeaea0574f
Detect html nicks in RemoteNickFormat (matrix). Fixes #696 (#719) 2019-02-17 21:48:32 +01:00
Wim 99d71c2177
Send notices on join/parts (matrix). Fixes #712 (#716) 2019-02-16 18:36:09 +01:00
Wim 3e60cfafd3
Send username when uploading video/images (matrix). Fixes #715 (#717) 2019-02-16 18:35:36 +01:00
Wim 3123695869
Upgrade to latest girc version (irc) (#718) 2019-02-16 17:24:04 +01:00
Wim 716751cf76
Refactor and update RocketChat bridge (#707) 
* Add support for editing/deleting messages
* Add support for uploading files
* Add support for avatars
* Use the Rocket.Chat.Go.SDK
* Use the rest and streaming api
 2019-02-15 18:20:32 +01:00
Wim 6ebd5cbbd8 Refactor and update RocketChat bridge 
* Add support for editing/deleting messages
* Add support for uploading files
* Add support for avatars
* Use the Rocket.Chat.Go.SDK
* Use the rest and streaming api
 2019-02-15 18:19:34 +01:00
Wim 077b818d82 Add extra debug of SubMessage to empty messages error (slack). #709 2019-02-15 18:05:10 +01:00
Wim 5af1d80055 Do not panic on non-json response from server (zulip) 2019-02-13 00:29:34 +01:00
Wim 40d76b2296 Fix error handling on bad event queue id (zulip). Closes #694 2019-02-11 01:34:50 +01:00
Wim 57f156be83
Hint at thread replies when messages are unthreaded (slack) (#684) 2019-02-10 17:23:50 +01:00
Wim c81c0dd22a Update vendor, move to labstack/echo/v4 Fixes #698 2019-01-31 17:06:36 +01:00
Wim 4ae028fe73 Optimize handling of very large slack teams. Fixes #695 
Stop getting users if we reach 2000 users. Slack will rate-limit us
even if we follow their limits.
This means that we now have to lookup every user that says a message
for the first time. This should be less intensive on the API.

This also disables partly fb713ed91b for now.
ChannelMembers will not be filled.
 2019-01-30 23:28:37 +01:00
Wim 94812d8648 Handle servers without MOTD (irc). Closes #692 2019-01-24 21:58:27 +01:00
Wim 8548b69e6e Fix possible data race (irc). Closes #693 2019-01-24 21:51:52 +01:00
Wim e3cb665d92 Make discord user token work correctly (discord) #689 2019-01-19 20:39:58 +01:00
Wim fb713ed91b
Add initial support for getting ChannelMember info of all bridges (#678) 
* Add initial support for getting ChannelMember info of all bridges.

Adds an EventGetChannelMembers event, which gets send every x time to
all bridges. Bridges should respond on this event with a Message
containing ChannelMembers in the EventGetChannelMembers key in the
Extra field.

handleEventGetChannelMembers will handle this Message and sets the
contained ChannelMembers to the Bridge struct.

* Add ChannelMembers support to the slack bridge
 2019-01-18 18:35:31 +01:00
Wim d99eacc2e1 Run go fmt 2019-01-14 19:41:32 +01:00
Zomboy Alfrir 62e55214fc Allow to bridge non-bot Discord users (discord) (#689) 
If you prefix a token with `User ` it'll treat is as a user token.

Co-Authored-By: zomboy-alfrir <zomboy@dancodes.com.ar>
 2019-01-14 19:27:49 +01:00
David Hill f88c5f6c08 Fix displaying usernames for plain text clients. (matrix) (#685) 2019-01-09 23:15:26 +01:00
Patrick Connolly b33b50987b Add support for mattermost threading (#627) 2019-01-09 21:50:03 +01:00
James Nylen 5193634a52 Use only one webhook if possible (discord) (#681) 2019-01-09 21:28:47 +01:00
Wim 46e2683995 Add file comment to webhook messages (discord). Fixes #358 2019-01-07 22:16:00 +01:00
James Nylen 492722af8b Improve error reporting on failure to join Discord. Fixes #672 (#680) 2019-01-07 21:39:53 +01:00
Wim 04567c765e
Add support for markdown to HTML conversion (matrix). Closes #663 (#670) 
This uses our own gomatrix lib with the SendHTML function which
adds HTML to formatted_body in matrix.
golang-commonmark is used to convert markdown into valid HTML.
 2019-01-06 22:25:19 +01:00
ValdikSS 7326b9e10d Add various sshchat fixes (#675) 
* SSH-Chat: set quiet mode to filter joins/quits
* SSH-Chat: Trim newlines in the end of relayed messages
* SSH-Chat: fix media links
* SSH-Chat: do not relay "Rate limiting is in effect" message
 2019-01-05 15:42:36 +01:00
Qais Patankar 8522d8f29c Fix #668 strip lang in code fences sent to Slack (#673) 2019-01-04 20:32:58 +01:00
Wim bab385c342 Remove unused key (config) 2019-01-04 16:37:45 +01:00
Wim c585d00f16 Ignore LatencyReport event (slack) 2019-01-02 23:55:00 +01:00
Duco van Amstel da8e415ae1 Use logrus imports instead of log (#662) 2018-12-26 15:16:09 +01:00
Duco van Amstel 1b834c6858 Fix sshchat connection logic (#661) 2018-12-26 15:09:36 +01:00
Jerry Heiselman d82726cd1b Try downloading files again if slack is too slow (slack). Closes #655 (#656) 2018-12-19 22:01:05 +01:00
Wim 53c86702a3
Add wait option for populateUsers/Channels (slack) Fixes #579 (#653) 
When setting wait to true, we wait until the populating isn't in progress anymore.
This is used on startup connections where we really need the initial information
which could take a long time on big servers.
 2018-12-15 23:11:03 +01:00
David Hill 192fe89789 Populate user on channel join (slack) (#644) 2018-12-15 22:57:54 +01:00
Wim 959ca3cef3 Fix bot (legacy token) messages not being send. Closes #571 2018-12-13 20:49:14 +01:00
Wim bfa9a83d31
Refactor telegram (#649) 
* Decrease complexity in Send() (makes codeclimate happy)
 2018-12-12 23:50:08 +01:00
Wim 2f7b4d7f68
Refactor sshchat bridge (#650) 
* Decrease complexity in Send()
* Add handleUploadFile() function
 2018-12-12 23:47:07 +01:00
Wim d887855e16 Add bot debug info (slack) 2018-12-12 00:27:55 +01:00
Duco van Amstel a2754f15fc Enable errcheck linter (#646) 2018-12-08 17:04:10 +01:00
Wim f9fb33e696
Refactor steam bridge (#630) 
* split up in different files
* decrease complexity
 2018-12-07 23:48:24 +01:00
Wim f72d5de2d7 Disable some unparam checks (discord) 2018-12-07 23:48:00 +01:00
Duco van Amstel 0365c0786a Split Discord bridge in multiple files (#632) 2018-12-07 23:36:01 +01:00
Duco van Amstel 8a7efce941 Move golangci-lint configuration to file (#635) 2018-12-05 11:34:34 +01:00
Wim 4265d43096
Refactor handleUploadFile (matrix) (#629) 2018-12-03 16:51:11 +01:00
Wim 27f5a1a685 Fix multiple channel join regression. Closes #639 2018-12-03 16:37:12 +01:00
Wim 859ebad55d
Make slack-legacy change less restrictive (#626) 2018-12-02 23:09:21 +01:00
Patrick Connolly e538a4d304 Update nlopes/slack to 4.1-dev (#595) 2018-12-01 19:55:35 +01:00
Wim f94c2b40a3
Refactor mattermost bridge (#622) 
* Split up in different files
* Decrease complexity
* Fix linting issues
 2018-12-01 00:49:08 +01:00
Wim 7923cfe8f8 Fix telegram crash #620 2018-11-29 23:03:50 +01:00
Wim df02f51c56 Fix regression on using server ID (discord). #619 #617 2018-11-28 23:50:40 +01:00
Patrick Connolly fc5e3a6728 Create getChannelsByX functions to make codeclimate happy (slack) (#610) 2018-11-28 11:04:26 +01:00
Wim 57fbd3c723
Refactor irc handlers. Fix linting (#611) 2018-11-28 10:58:56 +01:00
Wim 25cd1e2cc1
Refactor telegram handlers. Fix linting (#609) 
* Refactor telegram handlers. Fix linting
 2018-11-28 10:57:59 +01:00
Patrick Connolly f5659d455d Sync channel topics between Slack bridges (#585) 
Added logic to allow for configurable synchronisation of topics and purposes of channels between Slack bridges.
 2018-11-26 09:47:04 +00:00
Duco van Amstel 09875fe160 Update direct dependencies where possible 2018-11-25 21:21:04 +01:00
Wim f716b8fc0f
Merge pull request #606 from 42wim/fix-590 2018-11-25 20:40:22 +01:00
Wim 9f66f93641
Add option to send RAW commands after connection (irc). Fixes #490 (#604) 2018-11-25 19:32:16 +01:00
Wim f00d4d7d3f Make sure threaded files stay in thread (slack). Fixes #590 2018-11-25 19:27:45 +01:00
Wim 0929535b2e Do not post empty messages (slack). Fixes #574 2018-11-25 19:26:47 +01:00
Wim 8869e253ca Handle deleted/edited thread starting messages (slack). Fixes #600 (#605) 2018-11-25 10:08:57 +00:00
Wim f4d4dc91b1
Add option to ignore failing bridge on start. Fixes #455 (#603) 2018-11-25 10:35:35 +01:00
Wim c6fd65d1d7 Limit discord username via webhook to 32 chars 2018-11-23 20:52:31 +01:00
Wim 0795906533 Rework connection logic (irc) 
If IRC connection fails on first connect, bail out.
Wait until after nickserv auth until joining channels (also after reconnects)
Don't do a separate irc timeout, some connections take a while #503
 2018-11-23 00:26:50 +01:00
Wim a2b45bc799 Fix Nickserv logic (irc) #602 2018-11-22 22:46:38 +01:00
Wim ae32bae791
Add protocol to msg.ID in cache (#596) 2018-11-19 21:28:23 +01:00
Wim 32f57b7c26 Add links to slack bot and legacy config in error message (slack) 2018-11-18 17:14:47 +01:00
Duco van Amstel ce21ba1545 Fix golint linter issues and enable it in CI (#593) 2018-11-15 20:43:43 +01:00
Duco van Amstel c89085bf44 Fix and enable goimports linter (#591) 2018-11-15 19:24:22 +01:00
Patrick Connolly 4254ed3c63 Fix regression in skip logic (slack). (#592) 2018-11-15 19:23:46 +01:00
Duco van Amstel 85564a35fd Fix IRC line splitting. Closes #584 (#587) 2018-11-14 22:43:52 +01:00
Patrick Connolly 09713d40ba Fix file caching issue (slack). #572 (#575) 2018-11-14 21:00:21 +01:00
Duco van Amstel 16d5aeac7c Make config.Config more unit-test friendly (#586) 2018-11-13 23:30:56 +01:00
Duco van Amstel e19ba5a06a Add new Slack connection and forked legacy Slack bridge (#582) 2018-11-13 20:51:19 +01:00
Wim f7a5077d5d Fix goconst linter failure 2018-11-13 20:40:15 +01:00
Wim f8dc24bc09 Switch back go upstream bwmarrin/discordgo 
Commit ffa9956c9b got merged in.
 2018-11-13 00:02:07 +01:00
Duco van Amstel e9419f10d3 Restore file comments coming from Slack (#583) 2018-11-12 15:58:00 +01:00
Wim d2ae3ebf9e Disable Connect(), JoinChannel(), Send() for mattermost.plugin 2018-11-11 22:44:10 +01:00
Duco van Amstel 2f042ad915 Add more rate-limit handling (slack) (#581) 2018-11-10 22:09:41 +01:00
Wim 78401214b0 Make scopelint happy 2018-11-08 22:29:34 +01:00
Wim b2a07aba3a Make goconst linter happy 2018-11-08 22:20:03 +01:00
Wim 1e0bb3da95 Make gocritic linter happier 2018-11-08 22:01:29 +01:00
Wim 59994da176 Act only on UserTypingEvents when enabled 2018-11-08 21:52:10 +01:00
Patrick Connolly 3d281b3316 Add ability to show when user is typing across Slack bridges (#559) 2018-11-08 20:45:40 +01:00
Duco van Amstel ea86849a58 Fix Slack edit usernames (#570) 2018-11-08 20:07:21 +01:00
Wim 399789811e Make gocritic linter happy 2018-11-08 00:46:34 +01:00
Wim 8d117cb0a4 Make structcheck linter happy 2018-11-08 00:38:33 +01:00
Wim 588b8e0303 Make interfacer linter happy 2018-11-08 00:35:30 +01:00
Wim 1794922263 Make unparam linter happy 2018-11-08 00:29:30 +01:00
Patrick Connolly f2703979a4 Clean up config loading. (#561) 2018-11-07 22:32:12 +01:00
Duco van Amstel d2a1dc792f Refactor and clean-up handlers. (slack) (#533) 2018-11-07 21:35:59 +01:00
David Hill 0e2522279e Clean up various stuff (#508) 
* various cleanups
 2018-11-07 20:36:50 +01:00
Duco van Amstel a1bf37e457 Do not join Slack channel without API access (slack) (#563) 2018-11-07 17:25:00 +01:00
Patrick Connolly a20b7895a9 Preserve threading between Slack instances (#529) 
* Opportunistically preserve Slack threading when parent thread in cache. [#529]

* Removed slack-specific processing from gateway.

* Added docs.

* Add option to enable threading, with default to off.

* Did cleanup on @42wim's comments.

* Update gateway/gateway.go

Co-Authored-By: patcon <patrick.c.connolly@gmail.com>

* Suggestion from @42wim :)

* Suggestions from @42wim.

* More suggestions.
 2018-11-07 09:14:31 +01:00
Patrick Connolly 5666821e7b Add a health endpoint to API (#554) 2018-11-07 09:11:59 +01:00
Patrick Connolly 5132d8f097 Stop setting API ring buffer capacity if not specified. (#552) 2018-11-05 21:53:51 +01:00
Patrick Connolly 7e62bc4819 Remove hyphens when auto-loading envvars from viper config (#545) 
* When auto-loading envvars from toml keys, remove hyphens.

See: https://unix.stackexchange.com/questions/23659/can-shell-variable-include-character
 2018-11-03 14:42:27 +01:00
NikkyAI d058be25ad Respond with message on connect (api) (#550) 
fix #549
 2018-11-02 16:35:13 +01:00
Duco van Amstel 1269be1d04 Prevent Slack API rate-limit overflow (#539) 2018-11-01 21:28:22 +01:00
Wim e2b50d6194 Add better support for multiperson DM (mattermost) 2018-10-27 22:02:25 +02:00
Wim 107969c09a
Split up cookie token and personal token (mattermost). Fixes #530 (#540) 2018-10-26 16:47:56 +02:00
Patrick Connolly d379118772 Fix bridge no longer POSTing username and avatar (slack) (#536) 
* Fixed pointer/reference issue in populateUsers. [#536]

* Accepted codestyle suggestion.

* Update bridge/slack/helpers.go

Co-Authored-By: patcon <patrick.c.connolly@gmail.com>

* Update helpers.go
 2018-10-24 21:12:20 +02:00
Duco van Amstel f2cdda7278 Update Blackfriday dependency (closes #522) (#532) 
- Fixup Telegram bridge implementation to support updated dependency.
 2018-10-22 19:48:29 +02:00
Duco van Amstel 6911458d15 Clean up message send logic (slack). (#531) 2018-10-22 19:43:57 +02:00
Duco van Amstel 6238effdc2 Clean up user and channel information management (slack) (#521) 2018-10-16 20:34:09 +02:00
Duco van Amstel 498377a230 Clean up code and strengthening (slack) (#519) 
Changes include:
- Refactor of strings into package-wide constants.
- Predeclaration of regexps to be instantiated at package load time.
- Checking of unchecked errors.
- Structural changes:
  - Adding verifications to type-casting code.
  - Remove unnecessary 'len(X) > 0' checks before iterating over X.
  - Remove unnecessary 'else' clause after 'if' with 'return'.
  - Unexporting of public fields of Bridge struct.
- Formatting:
  - One-field-per-line struct definitions.
 2018-10-13 01:02:14 +02:00
Duco van Amstel e15b0e04b8 Refactor slack bridge prelude (#517) 
Distributing the source of the Slack bridge across multiple files to
increase readability and as a prelude to various refactors and
clean-ups.
 2018-10-12 23:16:34 +02:00