Mercurial > prosody-modules
view mod_couchdb/couchdb/couchapi.lib.lua @ 4764:a754f7e380b2
mod_dnsupdate: Rewrite port config vs DNS comparison code
I'm not sure if it was correct, which means it was hard to understand
and thus needed to be simplified. Hope this accomplishes that.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 08 Nov 2021 23:03:14 +0100 |
parents | 316d7c8e1fb0 |
children |
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local setmetatable = setmetatable; local pcall = pcall; local type = type; local t_concat = table.concat; local print = print; local socket_url = require "socket.url"; local http = require "socket.http"; local ltn12 = require "ltn12"; --local json = require "json"; local json = module:require("couchdb/json"); --module("couchdb") local _M = {}; local function urlcat(url, path) return url:gsub("/*$", "").."/"..path:gsub("^/*", ""); end local doc_mt = {}; doc_mt.__index = doc_mt; function doc_mt:get() return self.db:get(socket_url.escape(self.id)); end function doc_mt:put(val) return self.db:put(socket_url.escape(self.id), val); end function doc_mt:__tostring() return "couchdb.doc("..self.url..")"; end local db_mt = {}; db_mt.__index = db_mt; function db_mt:__tostring() return "couchdb.db("..self.url..")"; end function db_mt:doc(id) local url = urlcat(self.url, socket_url.escape(id)); return setmetatable({ url = url, db = self, id = id }, doc_mt); end function db_mt:get(id) local url = urlcat(self.url, id); local a,b = http.request(url); local r,x = pcall(json.decode, a); if r then a = x; end return a,b; end function db_mt:put(id, value) local url = urlcat(self.url, id); if type(value) == "table" then value = json.encode(value); elseif value ~= nil and type(value) ~= "string" then return nil, "Invalid type"; end local t = {}; local a,b = http.request { url = url, sink = ltn12.sink.table(t), source = ltn12.source.string(value), method = "PUT", headers = { ["Content-Length"] = #value, ["Content-Type"] = "application/json" } }; a = t_concat(t); local r,x = pcall(json.decode, a); if r then a = x; end return a,b; end local server_mt = {}; server_mt.__index = server_mt; function server_mt:db(name) local url = urlcat(self.url, socket_url.escape(name)); return setmetatable({ url = url }, db_mt); end function server_mt:__tostring() return "couchdb.server("..self.url..")"; end function _M.server(url) return setmetatable({ url = url }, server_mt); end function _M.db(url) return setmetatable({ url = url }, db_mt); end return _M;