Модуль:Сущность

Для документации этого модуля может быть создана страница Модуль:Сущность/doc

local p = {}
local getArgs = require('Module:Arguments').getArgs

local function is_array(tbl)
    local max = 0
    local count = 0
    for k in pairs(tbl) do
        if type(k) ~= "number" then
            return false
        end
        if k > max then max = k end
        count = count + 1
    end
    return count > 0 and max == count
end

local function apply_pattern(s, pattern, repl)
    if not pattern or pattern == "" or not s then
        return s
    end

    local text = tostring(s)
    local replacement
    if repl and repl ~= "" then
        replacement = tostring(repl)
        replacement = replacement:gsub("\\(%d)", "%%%1")
    else
        replacement = "%1"
    end

    local patt = pattern
    if not patt:find("%^") and not patt:find("%$") then
        patt = "^" .. patt .. "$"
    end

    return (text:gsub(patt, replacement))
end

function p.get(frame)
    local args = getArgs(frame, { removeBlanks = false })
    local id = args[1] or ""
    if id == "" then return "" end

    local params = ""
    for k, v in pairs(args) do
        if k ~= 1 then
            params = params .. "|" .. k .. "=" .. v
        end
    end

    local text = "{{ajax|<nowiki>{{#invoke:Сущность/data|get|" .. id .. params .. "}}</nowiki>|auto}}[[Категория:Сущности]]"

    return frame:preprocess(text) 
end

function p.preview(frame)
    local args = getArgs(frame, { removeBlanks = false })
    local id = args[1] or ""
    if id == "" then return "" end

    local params = ""
    for k, v in pairs(args) do
        if k ~= 1 then
            params = params .. "|" .. k .. "=" .. v
        end
    end

    local text = "{{#invoke:Сущность/data|preview|" .. id .. params .. "}}"

    return frame:preprocess(text)
end

function p.json(frame)
    local args = getArgs(frame, { removeBlanks = false })
    local jsonStr = mw.text.unstripNoWiki(args[1] or args.json or "")
    local tplPath = mw.text.unstripNoWiki(args[2] or args.template or "")
    if jsonStr == "" or tplPath == "" then return "" end

    local ok, data = pcall(mw.text.jsonDecode, jsonStr)
    if not ok or type(data) ~= "table" then
        return ""
    end

    local okDp, dp = pcall(require, "Module:GetField")

    local calls = {}

    local function makeCall(id, obj)
        if type(id) ~= "string" then return end
        local parts = { "{{" .. tplPath, "id=" .. id }
        if type(obj) == "table" then
            if okDp and dp and type(dp.flattenParams) == "function" then
                local extra = dp.flattenParams(obj)
                for i = 1, #extra do
                    parts[#parts + 1] = extra[i]
                end
            else
                for k, v in pairs(obj) do
                    if v ~= nil then
                        parts[#parts + 1] = tostring(k) .. "=" .. tostring(v)
                    end
                end
            end
        end
        parts[#parts + 1] = "}}"
        calls[#calls + 1] = table.concat(parts, "|")
    end

    if is_array(data) then
        for _, item in ipairs(data) do
            if type(item) == "table" then
                for k, v in pairs(item) do
                    makeCall(k, v)
                end
            end
        end
    else
        for k, v in pairs(data) do
            makeCall(k, v)
        end
    end

    if #calls == 0 then
        return ""
    end

    local rendered = table.concat(calls, " ")
    return frame:preprocess(rendered)
end

function p.jsonList(frame)
    local args = getArgs(frame, { removeBlanks = false })
    local jsonStr = mw.text.unstripNoWiki(args[1] or args.json or "")
    if jsonStr == "" then return "" end

    local ok, data = pcall(mw.text.jsonDecode, jsonStr)
    if not ok or type(data) ~= "table" then
        return ""
    end

    local outputType = (args.type or "list"):lower()

    local bullet = mw.text.unstripNoWiki(args.prefix or "* ")
    local sep = mw.text.unstripNoWiki(args.sep or ": ")
    if outputType == "none" then
        bullet = ""
        sep = ""
    end
    local keyPattern = mw.text.unstripNoWiki(args.key_pattern or "(.*)")
    local keyReplace = mw.text.unstripNoWiki(args.key_replace or "\\1")
    local valuePattern = mw.text.unstripNoWiki(args.value_pattern or "(.*)")
    local valueReplace = mw.text.unstripNoWiki(args.value_replace or "\\1")

    local pairPattern = mw.text.unstripNoWiki(args.pattern or "(.*)")
    local pairReplace = mw.text.unstripNoWiki(args.replace or "\\1")

    local out = {}

    if is_array(data) then
        for _, v in ipairs(data) do
            local text = ""

            if type(v) == "table" then
                if is_array(v) then
                    text = table.concat(v, ", ")
                else
                    local okJson, jsonVal = pcall(mw.text.jsonEncode, v)
                    if okJson and jsonVal then
                        text = jsonVal
                    end
                end
            else
                text = tostring(v)
            end

            if text ~= "" then
                local patt = valuePattern ~= "" and valuePattern or keyPattern
                local repl = valueReplace ~= "" and valueReplace or keyReplace
                text = apply_pattern(text, patt, repl)

                local line
                if outputType == "enum" then
                    line = text
                else
                    line = bullet .. text
                end

                if pairPattern ~= "" then
                    line = apply_pattern(line, pairPattern, pairReplace)
                end

                table.insert(out, line)
            end
        end
    else
        local keys = {}
        for k in pairs(data) do
            keys[#keys + 1] = k
        end
        table.sort(keys, function(a, b) return tostring(a) < tostring(b) end)

        for _, k in ipairs(keys) do
            local v = data[k]
            local vStr

            if type(v) == "table" then
                local okJson, jsonVal = pcall(mw.text.jsonEncode, v)
                if okJson and jsonVal then
                    vStr = jsonVal
                else
                    vStr = ""
                end
            else
                vStr = tostring(v)
            end

            local baseKey = apply_pattern(tostring(k), keyPattern, "\\1")

            local MARK_KEY = "\31KEY\31"
            local vRepl = (valueReplace or "\\1"):gsub("\\2", MARK_KEY)
            local vStr0 = apply_pattern(vStr, valuePattern, vRepl)
            vStr0 = tostring(vStr0):gsub(MARK_KEY, baseKey)

            local MARK_VAL = "\31VAL\31"
            local kRepl = (keyReplace or "\\1"):gsub("\\2", MARK_VAL)
            local keyStr0 = apply_pattern(tostring(k), keyPattern, kRepl)
            local keyStr = tostring(keyStr0):gsub(MARK_VAL, vStr0)

            vStr = vStr0

            if vStr ~= "" then
                local line
                if outputType == "enum" then
                    line = vStr .. " " .. keyStr
                else
                    line = bullet .. keyStr .. sep .. vStr
                end

                if pairPattern ~= "" then
                    line = apply_pattern(line, pairPattern, pairReplace)
                end

                table.insert(out, line)
            end
        end
    end

    if outputType == "enum" then
        return frame:preprocess(table.concat(out, ", "))
    else
        return frame:preprocess(table.concat(out, "\n"))
    end
end

return p