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82 lines
2.3 KiB
82 lines
2.3 KiB
-- Lua-side of the http module.
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-- http.request (stateless) and http.session (constructor) are provided by Rust
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-- before this runs. This layer adds resp.json(), method shorthands, the
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-- JSON/postJSON helpers, and a metatable for session objects.
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-- Attach resp.json() to a response table: parses resp.body via utils.fromJSON.
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local function wrap_resp(resp)
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resp.json = function()
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return utils.fromJSON(resp.body)
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end
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return resp
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end
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-- Wrap the stateless http.request so responses carry resp.json().
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local _request = http.request
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http.request = function(method, url, opts)
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return wrap_resp(_request(method, url, opts))
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end
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-- Method shorthands for the stateless module.
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for _, m in ipairs({ "get", "post", "put", "patch", "delete", "head" }) do
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http[m] = function(url, opts)
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return http.request(m:upper(), url, opts)
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end
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end
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function http.getJSON(url, opts)
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local resp = http.get(url, opts)
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return resp.json(), resp
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end
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function http.postJSON(url, body, opts)
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opts = opts or {}
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opts.json = body
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return http.post(url, opts)
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end
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-- Session metatable. http.session() returns a raw Rust table whose methods are
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-- _request, save, load, clearCookies and cookies. The metatable adds the
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-- request wrapper (for resp.json()) and the method shorthands on top.
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local session_mt = {}
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session_mt.__index = session_mt
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function session_mt:request(method, url, opts)
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return wrap_resp(self:_request(method, url, opts))
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end
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function session_mt:get(url, opts)
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return self:request("GET", url, opts)
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end
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function session_mt:post(url, opts)
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return self:request("POST", url, opts)
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end
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function session_mt:put(url, opts)
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return self:request("PUT", url, opts)
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end
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function session_mt:patch(url, opts)
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return self:request("PATCH", url, opts)
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end
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function session_mt:delete(url, opts)
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return self:request("DELETE", url, opts)
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end
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function session_mt:head(url, opts)
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return self:request("HEAD", url, opts)
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end
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function session_mt:getJSON(url, opts)
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local resp = self:get(url, opts)
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return resp.json(), resp
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end
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function session_mt:postJSON(url, body, opts)
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opts = opts or {}
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opts.json = body
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return self:post(url, opts)
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end
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-- Wrap the Rust session constructor to install the metatable.
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local _session = http.session
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http.session = function(path)
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return setmetatable(_session(path), session_mt)
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end
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