Wapka Official Forum

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if (req.get.page == nil) then
pagenumber = "1" else pagenumber = req.get.page
end

local param_paging = {
page = pagenumber + 1,
limit = 10,
order = "ASC"
}

local is_ok, paging = api.post_info(param_paging)

if (paging[0] == nil) then next_page = "style=\"pointer-events:none;\"" else next_page = "" end
if (pagenumber == "1") then prev_page = "style=\"pointer-events:none;\"" else prev_page="" end

local paging_html = [=[
	<nav aria-label="Page navigation example">
		<ul class="pagination justify-content-center">
			<li class="page-item"><a class="page-link" href="?page=%s" %s>&#9664; Previous page</a></li>
			<li class="page-item"><a class="page-link" href="?page=%s" %s>Next &#9658;</a></li>
		</ul>
	</nav>]=]

print(string.format(paging_html, pagenumber - 1, prev_page, pagenumber + 1, next_page));

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local post_list_html = [=[
<h1>%id% - %title%</h1>
<p>%content%</p>
]=]

local post_list_paging = [=[
<nav arial-label="pagination">
<ul class="pagination">
FIRST PREV CURRENT NEXT LAST
</ul>
</nav>
]=]

local page_number = tonumber(req.get.page_post) or 1

local post_params = {
    limit = 1,
    order = "DESC",
    page  = page_number
}

local post_ok,    -- Checks whether the API query was successful
      post_list,  -- List the result of the API query
      post_info,  -- Contains information about the API query, useful for pagination! [Note 1]
      post_error  -- Message returned in case of error
      = api.post_info(post_params)

if post_ok then
    local total_records = tonumber(post_info.total)
    local last_page     = tonumber(post_info.pagenum)
    local previous_page = page_number - 1
    local next_page     = page_number + 1
 
    if (total_records > 1) then
        if (page_number == 1) then -- First page: First and Prev links are disabled
            post_list_paging = post_list_paging:gsub("(%w+)%s*", {
                ["FIRST"]    = '<li class="page-item disabled">«</li>\n',
                ["PREV"]     = '<li class="page-item disabled">‹</li>\n',
                ["CURRENT"]  = '<li class="page-item active">1</li>\n',
                ["NEXT"]     = '<li class="page-item"><a href="?page_post=' .. next_page .. '">Next ›</a></li>\n',
                ["LAST"]     = '<li class="page-item"><a href="?page_post=' .. last_page .. '">Last »</a></li>\n'
            })
        elseif (page_number >= last_page) then -- Last page: Last and Next links are disabled
            post_list_paging = post_list_paging:gsub("(%w+)%s*", {
                ["FIRST"]    = '<li class="page-item"><a href="?page_post=1">« First</a></li>\n',
                ["PREV"]     = '<li class="page-item"><a href="?page_post=' .. previous_page .. '">‹ Prev</a></li>\n',
                ["CURRENT"]  = '<li class="page-item active">' .. last_page .. '</li>\n',
                ["NEXT"]     = '<li class="page-item disabled">›</li>\n',
                ["LAST"]     = '<li class="page-item disabled">»</li>\n'
            })
        else -- Current page is anywhere between the first and last, all links are available
            post_list_paging = post_list_paging:gsub("(%w+)%s*", {
                ["FIRST"]    = '<li class="page-item"><a href="?page_post=1">« First</a></li>\n',
                ["PREV"]     = '<li class="page-item"><a href="?page_post=' .. previous_page .. '">‹ Prev</a></li>\n',
                ["CURRENT"]  = '<li class="page-item active">' .. page_number .. '</li>\n',
                ["NEXT"]     = '<li class="page-item"><a href="?page_post=' .. next_page .. '">Next ›</a></li>\n',
                ["LAST"]     = '<li class="page-item"><a href="?page_post=' .. last_page .. '">Last »</a></li>\n'
            })
        end
    else -- Only one record returned in the API query, pagination is completely disabled
        post_list_paging = post_list_paging:gsub("(%w+)%s*", {
            ["FIRST"]    = '<li class="page-item disabled">«</li>\n',
            ["PREV"]     = '<li class="page-item disabled">‹</li>\n',
            ["CURRENT"]  = '<li class="page-item disabled">1</li>\n',
            ["NEXT"]     = '<li class="page-item disabled">›</li>\n',
            ["LAST"]     = '<li class="page-item disabled">»</li>\n'
        })
    end
    
    print(html.render_tag(post_list_html, post_list, true));
    print(post_list_paging)
else
    print("Unable to query posts. Error received: ", post_error)
end

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{
    "total": 8,
    "count": 1,
    "pagenum": 8
}

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local post_ok,    -- Checks whether the API query was successful
      post_list,  -- List the result of the API query
      post_info,  -- Contains information about the API query, useful for pagination! [Note 1]
      post_error  -- Message returned in case of error
      = api.post_info(post_params)
post_info.url = "?page="  ---> like old way pagination link
post_info.page = req.get.page or 1;   ---> current page

global.html.paging(post_info);  ---> output same as tag code

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print(global.html.paging("%first% %prev% %num% %next% %last%", post_info))