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Over the last few days I’ve been planning, and then implementing the RESTful communication part of the server, and this has been built on top of Express‘s fantastic routing. The next few days will see me implementing the rest of the current game logic on top of this routing, using the HTTP GET and POST methods and simple URI schemes in order to provide any client with a stateless, efficient way of communicating with the server.

For example, a client could request ‘/games‘ from the server and receive a list of games, each with its vital stats (players, board size etc). A client can then request to see more on an individual game by requesting ‘/games/game01‘ for instance. A client can then finally choose to get the status of the game from a particular point via ‘/games/game01/update/20‘ which will return all the actions from action 20 and above, or alternatively the client can request ‘/games/game01/update/1325635230240‘ which retrieves the actions from after that timestamp. The server determines whether a request called for a timestamp or an action ID easily because of the huge numerical difference between the likely amount of actions in a game and the value of a typical timestamp.

I have also decided (for now at least) to focus on JSON as the primary format for data from the server – I had intended to explore other formats such as XML, BSON and MessagePack but keeping things in JSON seems to be efficient enough at the moment.

Once the server is returning everything correctly using this new URI structure, I’ll shift my focus to the client for a while, and get some of the boring stuff such as creating/editing users and access control sorted out. I’m being purposely very careful about having something solid and playable before I go and start with the spell phase, and all of the delightful things that brings with it!