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| s = mw.ustring.lower(s) | | s = mw.ustring.lower(s) |
| return matchImagePage(s) or matchImagePage(getAlias(s)) or default | | return matchImagePage(s) or matchImagePage(getAlias(s)) or default |
| + | end |
| + | |
| + | local function checkPortalExists(portal) |
| + | return not (mw.title.makeTitle(100, portal).id == 0) |
| end | | end |
| | | |
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| root:wikitext('<strong class="error">No portals specified: please specify at least one portal</strong>[[Category:Portal templates without a parameter]]') | | root:wikitext('<strong class="error">No portals specified: please specify at least one portal</strong>[[Category:Portal templates without a parameter]]') |
| return tostring(root) | | return tostring(root) |
| + | end |
| + | |
| + | -- scan for nonexistent portals, if they exist remove them from the portals table. If redlinks=yes, then don't remove |
| + | local portallen = #portals |
| + | -- traverse the list backwards to ensure that no portals are missed (table.remove also moves down the portals in the list, so that the next portal isn't checked if going fowards. |
| + | -- going backwards allows us to circumvent this issue |
| + | for i=portallen,1,-1 do |
| + | -- the use of pcall here catches any errors that may occour when attempting to locate pages when the page name is invalid |
| + | -- if pcall returns true, then rerun the function to find if the page exists |
| + | if not pcall(checkPortalExists, portals[i]) or not checkPortalExists(portals[i]) then |
| + | -- Getting here means a redlinked portal has been found |
| + | if (args.redlinks == 'yes') or (args.redlinks == 'y') or (args.redlinks == 'true') or (args.redlinks == 'include') then |
| + | -- if redlinks as been set to yes (or similar), add the cleanup category and then break the loop before the portal is removed from the list |
| + | root:wikitext('[[Category:Portal templates with redlinked portals]]') |
| + | break |
| + | end |
| + | -- remove the portal (this does not happen if redlinks=yes) |
| + | table.remove(portals,i) |
| + | end |
| + | end |
| + | |
| + | -- if the length of the table is different, then rows were removed from the table, so portals were removed. If this is the case add the cleanup category |
| + | if not (portallen == #portals) then |
| + | if #portals == 0 then |
| + | return '[[Category:Portal templates with all redlinked portals]]' |
| + | end |
| + | root:wikitext('[[Category:Portal templates with redlinked portals]]') |
| end | | end |
| | | |