Module:Version

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This module depends on the following other modules:

Templates

The above documentation is transcluded from Module:Version/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (create) pages.
Subpages of this module.

-------------------------------------------------------------------------------
-- 
--                                Module:Version
-- 
-- This module implements Template:Version, Template:Version history list, and 
-- Template:Timeline of items
-------------------------------------------------------------------------------

require('Module:No globals')
local m_util = require('Module:Util')
local m_cargo = require('Module:Cargo')
local m_item_util -- Lazy load require('Module:Item util')

-- Should we use the sandbox version of our submodules?
local use_sandbox = m_util.misc.maybe_sandbox('Version')

-- The cfg table contains all localisable strings and configuration, to make it
-- easier to port this module to another wiki.
local cfg = use_sandbox and mw.loadData('Module:Version/config/sandbox') or mw.loadData('Module:Version/config')

local i18n = cfg.i18n

-- ---------------------------------------------------------------------
-- Helper functions
-- ---------------------------------------------------------------------

local h = {}

function h.date(value, args)
    --[[
    Format dates in correct and useable form.
    
    Parameters
    ----------
    value : String, required
        Date
    args : Table
        Table with extra formatting args.
    
    ]]
    
    local args = args or {}
    
    -- List of allowed extra arguments:
    local arg_list = {
        format = {
            default = 'F j, Y H:i:s',
            cargo   = 'Y-m-d H:i:s',
            no_time = 'F j, Y',
        },
    }

    local lang = mw.getContentLanguage()
    local date_format = arg_list['format']['default']
    local timestamp = lang:formatDate(date_format, value)
    
    -- If the time is 00:00:00 then assume that the time isn't defined:
    if lang:formatDate('H:i:s', timestamp) == '00:00:00' then 
        date_format = arg_list['format']['no_time']
    end
    
    -- Add the extra arguments:
    for i,v in pairs(args) do
        if i == 'format' then
            date_format = arg_list[i][v]            
        end
    end
    
    -- Return the final timestamp format:
    local out
    if value ~= nil then
        out = lang:formatDate(date_format, timestamp)
    end
    
    return out
end

function h.validate_version(value)
    if value == nil then
        return value
    end
    return m_util.cast.version(value, {return_type='string'})
end

function h.show_date(args)
    return function(targs)
        local version = targs[args.key]
        local date = targs[string.format('%s_date', args.key)]
        if version and date then
            date = h.date(date) or ''
            if args.key == 'before' then
                return string.format(i18n.show_date.before, version, version, date)
            elseif args.key == 'after' then
                return string.format(i18n.show_date.after, version, version, date)
            end
        else
            return ''
        end
    end
end

-- ----------------------------------------------------------------------------
-- Cargo tables
-- ----------------------------------------------------------------------------

local tables = {}

tables.versions ={
    table = 'versions',
    fields = {
        patch = {
            field = 'version',
            type = 'String',
            func = h.validate_version,
        },
        patchdate = {
            field = 'release_date',
            type = 'Datetime',
            func = tostring,
        },
        major_part = {
            field = 'major_part',
            type = 'Integer',
        },
        minor_part = {
            field = 'minor_part',
            type = 'Integer',
        },
        patch_part = {
            field = 'patch_part',
            type = 'Integer',
        },
        revision_part = {
            field = 'revision_part',
            type = 'String',
        },
        before = {
            field = 'previous',
            type = 'String',
            func = h.validate_version,
            show = h.show_date{key='before'},
        },
        after = {
            field = 'after',
            type = 'String',
            func = h.validate_version,
            show = h.show_date{key='after'},
        },
    },
}

-- ----------------------------------------------------------------------------
-- Main functions
-- ----------------------------------------------------------------------------

local function _version(args)
    --[[
    Creates a version succession box and stores the data in a cargo table
    
    Example:
    p.version{
        before = '2.4.1',
        patch = '2.4.1b',
        patchdate = 'October 18, 2016',
        after = '2.4.2',
    }
    --]]

    -- Unpack args and validate
    for k, arg_def in pairs(tables.versions.fields) do
        if arg_def.func ~= nil then
            args[k] = arg_def.func(args[k])
        end
    end
    if not args.patch or not args.patchdate then
        error(i18n.version.required_args)
    end
    
    local version_parts = m_util.cast.version(args.patch, {return_type='table'})
    args.major_part = tonumber(version_parts[1])
    args.minor_part = tonumber(version_parts[2])
    args.patch_part = tonumber(version_parts[3])
    if version_parts[4] then
        args.revision_part = version_parts[4]
    end

    -- Validate 'before' and 'after' versions and query their release dates
    for _, key in ipairs({'before', 'after'}) do
        local version_number = args[key]
        if version_number then
            local results = m_cargo.query(
                {'versions'},
                {'versions.release_date=date'},
                {
                    where = string.format('versions.version="%s"', version_number)
                }
            )
            if #results == 1 then
                args[string.format('%s_date', key)] = results[1].date
            elseif #results > 1 then
                error(i18n.version.multiple_versions)
            end
        end
    end
    
    -- Store cargo data
    local data = {
        _table = tables.versions.table,
    }
    for k, v in pairs(tables.versions.fields) do
        if args[k] ~= nil then
            data[v.field] = args[k]
       end
    end
    m_cargo.store(data)

    mw.getCurrentFrame():expandTemplate{
        title = 'Template:Version/cargo/versions/attach'
    }

    -- Generate output
    local release_date = h.date(args.patchdate)
    local tbl = mw.html.create('table')
    tbl
        :addClass('wikitable successionbox')
        :tag('tr')
            :tag('th')
                :attr('colspan', 3)
                :wikitext(i18n.version.header)
                :done()
            :done()
        :tag('tr')
            :tag('td')
                :cssText('width: 30%')
                :wikitext(tables.versions.fields.before.show(args))
                :done()
            :tag('td')
                :cssText('width: 40%')
                :wikitext(string.format('<b>%s</b><br>%s', args.patch, release_date))
                :done()
            :tag('td')
                :cssText('width: 30%')
                :wikitext(tables.versions.fields.after.show(args))

    return tostring(tbl) .. m_util.misc.add_category({i18n.categories.versions})
end

local function _timeline(args)
    --[[ 
    Creates a version timeline and optionally lists items added to the game for each version
    
    Examples:
    p.timeline{
        where = 'versions.major_part = 0 AND versions.minor_part < 9',
    }
    
    p.timeline{
        list_items = true
        where = 'items.class_id = "DivinationCard"',
    }
    --]]

    local tables = {'versions'}
    local fields = {
        'versions.version',
        'versions.release_date',
    }
    local query = {
        orderBy = 'versions.major_part DESC, versions.minor_part DESC, versions.patch_part DESC, versions.revision_part DESC'
    }
    args.list_items = m_util.cast.boolean(args.list_items)
    if args.list_items then
        m_item_util = m_item_util or require('Module:Item util')
        table.insert(tables, 'items')
        fields = m_util.table.merge(fields, {'items._pageName', 'items.name'})
        query.join = 'versions.version=items.release_version'
        query.where = 'items.release_version IS NOT NULL'
        query.orderBy = query.orderBy .. ', items.name ASC'

        -- Namespace condition
        -- This is mainly to prevent items from user pages or other testing pages 
        -- from being returned in the query results.
        if args.namespaces ~= 'any' then
            local namespaces = m_util.cast.table(args.namespaces, {callback=m_util.cast.number})
            if #namespaces > 0 then
                namespaces = table.concat(namespaces, ',')
            else
                namespaces = m_item_util.get_item_namespaces{format = 'list'}
            end
            query.where = string.format('%s AND items._pageNamespace IN (%s)', query.where, namespaces)
        end
    end
    if args.where then
        -- m_util.table.merge rebuilds the table, which removes empty values
        -- TODO: Use a better function than m_util.table.merge
        query.where = table.concat(m_util.table.merge({query.where, args.where}), ' AND ')
    end
    local results = m_cargo.query(tables, fields, query)
    
    local out = {}
    local last_main_version 
    local last_minor_version
    local current_version
    local list
    
    -- Loop through all the results from the query
    for i, row in ipairs(results) do
        local release_version = row['versions.version']
        local v = m_util.cast.version(release_version)
        local version_h2 = table.concat({v[1], v[2]}, '.')
        if release_version ~= last_minor_version then
            if version_h2 ~= last_main_version then 
                if current_version ~= nil then
                    out[#out + 1] = tostring(current_version)
                end
                
                out[#out+1] = string.format(
                    '===%s %s===', 
                    i18n.timeline.version, 
                    table.concat({v[1], v[2], 0}, '.')
                ) 
                current_version = mw.html.create('ul')
            end
            current_version
                :tag('li')
                    :wikitext(string.format(
                        '%s - [[%s %s]]',
                        h.date(row['versions.release_date']),
                        i18n.timeline.version,
                        release_version,
                        row['versions.version'])
                    )
            list = current_version:tag('ol')
        end

        -- List items
        if args.list_items then
            list
                :tag('li')
                    :wikitext(m_util.html.wikilink(row['items._pageName'], row['items.name']))
        end
        
        -- Save the last list
        if i == #results and current_version ~= nil then 
            out[#out + 1] = tostring(current_version)
        end
        
        last_main_version = version_h2
        last_minor_version = release_version
    end

    return table.concat(out, '\n') .. m_util.misc.add_category({i18n.categories.timelines})
end

-- ----------------------------------------------------------------------------
-- Exported functions
-- ----------------------------------------------------------------------------

local p = {}

p.table_versions = m_cargo.declare_factory{data=tables.versions}

--
-- Template:Version
--
p.version = m_util.misc.invoker_factory(_version, {
    wrappers = cfg.wrappers.version,
})

--
-- Template:Version history list, Template:Timeline of items
--
p.timeline = m_util.misc.invoker_factory(_timeline)

return p
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