Define server plugin interface, move Agent queries code into a built-in plugin #353
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alecgibson
reviewed
Mar 20, 2020
| var errMessage = this._checkRequest(request); | ||
| if (errMessage) return callback(new ShareDBError(ERROR_CODE.ERR_MESSAGE_BADLY_FORMED, errMessage)); | ||
| if (plugin) { | ||
| try { | ||
| plugin.checkRequest(request); |
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Maybe this method should be optional? Or do we want to enforce that all plugins validate requests?
| }; | ||
| } | ||
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| QueryServerPlugin.prototype.close = function(callback) { |
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Should this also be optional?
ericyhwang
commented
Mar 25, 2020
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From Alec:
- Consider inverting so that plugins store a map of per-agent states, instead of storing state on the agent.
I'm going to merge this and other plugin PRs into a feature branch, in case we want to publish small bugfixes while this is under development.
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We want to develop support for ShareDB plugins that can add support for new actions on top of ShareDB's functionality - #337
This is one part of that work, adding the ability for the server
Agent#_handleMessageto call message handling functions in registered plugins.As a feasibility check, this PR moves the core query code from the server Agent class into a built-in server plugin, QueryServerPlugin, with no functionality changes. There are also no changes to client code in this PR.
Things that I would like to add: