napkin/template/blog.lua

---@diagnostic disable:undefined-global

local wrapper = require "template.wrapper"
local error = require "template.error"
local phosphor = require "template.phosphor"

local foppy = require "./foppy"

return function(data)
    -- if the blog name is empty, then redirect to the homepage
    -- todo: do this on the actual router (main.lua)
    local blog_name = data.request.params.blog
    if #blog_name == 0 then
        data.response.code = 301
        data.response.headers["Location"] = "/"
        return ""
    end

    -- set a buncha things up
    local handle = "@" .. blog_name
    local blog_path = "database/blogs/" .. blog_name .. ".json"

    -- attempt to read the blog
    local blog = foppy.open(blog_path)

    -- could find no darn blog!!!
    if not blog then
        return error(404, "blog", handle) -- so, fuck it, error screen.
    end

    -- our little post renderer
    local function render_post(post)
        return a {
            class = "button post",
            href = "/" .. handle .. "/" .. post.url,
            h3(post.title),
            p {
                class = "timestamp",
                os.date("%Y-%m-%d %H:%M:%S", post.creation)
            }
        }
    end

    local posts = {}
    local pinned_posts = {}

    for _, post in ipairs(blog.index) do
        if post.pin then
            table.insert(pinned_posts, post)
        end
        table.insert(posts, post)
    end

    -- return our whole flippin html document
    return wrapper(data) {
        -- render header!
        section {
            h1(blog.name),
            p { class = "description", blog.description }
        },

        -- render the pinned post list
        section(function(o)
            if #pinned_posts == 0 then
                o.style = "display: none;"
                return
            end

            o.class = "post-list pinned-posts"
            table.insert(o, h2 { phosphor("push-pin"), " Pinned:" })

            for _, post in ipairs(pinned_posts) do
                table.insert(o, render_post(post))
            end
        end),

        -- render the post list
        section(function(o)
            if #posts == 0 then
                table.insert(o,
                    p {
                        class = "centered",
                        "Nothing here yet!"
                    }
                )
                return
            end

            o.class = "post-list"
            table.insert(o, h2 { phosphor("note"), " Posts:" })

            -- for each post
            for _, post in ipairs(blog.index) do
                table.insert(o, render_post(post)) -- render that boy
            end
        end)
    }
end