start resty port to lapis

code/hotmixes/utils.lua

@@ -0,0 +1,125 @@
+local lfs = require 'lfs_ffi'
+local config = require("lapis.config").get()
+
+
+-- setup
+local request_uri = ngx.var.request_uri
+request_uri = ngx.unescape_uri(request_uri)
+ngx.log(ngx.ERR, request_uri)
+
+if string.find(request_uri, "\"") or string.find(request_uri, "%`") or string.find(request_uri, "%$") then
+    ngx.log(ngx.ERR, "Illegal request_uri")
+    ngx.exit(500)
+end
+
+local request_path
+if request_uri ~= '/' then
+    request_path = request_uri .. '/'
+else
+    request_path = request_uri
+end
+
+local data_dir = config.mount
+local data_path = data_dir .. request_path
+-- setup
+
+
+local utils =  {}
+
+utils['request_path'] = request_path
+utils['data_path'] = data_path
+
+-- we want to know if something is an image
+utils['match_image'] = function( file )
+    local filext = file:match("[^.]+$")
+    local extensions = { jpg=true, jpeg=true, png=true, gif=true }
+
+    if extensions[filext:lower()] then
+        return true
+    else
+        return false
+    end
+end
+
+utils['latest_files'] = function(directory)
+    local i, t, popen = 0, {}, io.popen
+    local pfile = popen('find "'..directory..'" -type f ! -name \'*.filepart\' -printf \'%C@ %p\n\'| sort -nr | head -7 | cut -f2- -d" "| sed s:"'..directory..'/"::')
+    for filename in pfile:lines() do
+        i = i + 1
+        t[i] = filename
+    end
+    pfile:close()
+    return t
+end
+
+utils['these_files'] = function( path )
+    local files, dirs, images = {}, {}, {}
+    for file in lfs.dir( path ) do
+        if file ~= "." and file ~= ".." and not string.match(file, ".filepart") then
+            if lfs.attributes( path .. file, "mode" ) == "file" then
+                if utils.match_image( file ) then
+                    table.insert( images, file )
+                else
+                    table.insert( files, file )
+                end
+            elseif lfs.attributes( path .. file, "mode" ) == "directory" then
+                table.insert( dirs, file )
+            end
+        end
+    end
+
+    table.sort( images )
+    table.sort( files )
+    table.sort( dirs )
+
+    local stuff = {
+        files = files,
+        dirs = dirs,
+        images = images
+    }
+    return stuff
+end
+
+utils['these_latest'] = function()
+    -- list last 10 modified files in our directory
+    local latest_path, latest_name = {}, {}
+
+    for i, file_path in ipairs( utils.latest_files( data_dir ) ) do
+        file_path = file_path:gsub( data_dir, "/" )
+        table.insert( latest_path, file_path)
+
+        -- local to_json = require("lapis.util").to_json
+        -- print( to_json(latest_path) )
+
+        local temp = ""
+        local result = ""
+        for i = file_path:len(), 1, -1 do
+            if file_path:sub(i,i) ~= "/" then
+                temp = temp..file_path:sub(i,i)
+            else
+                break
+            end
+        end
+
+        for j = temp:len(), 1, -1 do
+            result = result..temp:sub(j,j)
+        end
+
+        table.insert( latest_name, result )
+    end
+
+    return latest_path, latest_name
+end
+
+utils['total_files_dir'] = function( path )
+    local i, t, popen = 0, {}, io.popen
+    local pfile = popen('find "'..path..'" -type f | wc -l')
+    for total in pfile:lines() do
+        t[i] = total
+        i = i + 1
+    end
+    pfile:close()
+    return t
+end
+
+return utils