🧱 update CI workflow and remove alpinejs frontend files

devices-api/app-standalone.lua

@@ -94,7 +94,7 @@ end
 -- Seed initial data
 local function seed_db()
     db.with_connection(function(conn)
-        local res, err = conn:query("SELECT COUNT(*) as total FROM devices")
+        local res = conn:query("SELECT COUNT(*) as total FROM devices")
         local count = 0
         if res and res[1] then
             count = tonumber(res[1].total) or 0
@@ -137,7 +137,8 @@ local function seed_db()
 
         for _, device in ipairs(devices) do
             conn:query(
-                "INSERT INTO devices (name, manufacturer, release_year, cpu, ram_mb, storage_mb, display_size, battery_hours) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)",
+                "INSERT INTO devices (name, manufacturer, release_year, cpu, ram_mb, storage_mb, "
+                    .. "display_size, battery_hours) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)",
                 device.name,
                 device.manufacturer,
                 device.release_year,
@@ -205,17 +206,17 @@ end
 
 local function b64(data)
     -- Minimal Base64
-    local b='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
-    return ((data:gsub('.', function(x) 
-        local r,b='',x:byte()
-        for i=8,1,-1 do r=r..(b%2^i-b%2^(i-1)>0 and '1' or '0') end
-        return r;
-    end)..'0000'):gsub('%d%d%d?%d?%d?%d?', function(x)
+    local b = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+    return ((data:gsub('.', function(x)
+        local r, byte = '', x:byte()
+        for i = 8, 1, -1 do r = r .. (byte % 2^i - byte % 2^(i - 1) > 0 and '1' or '0') end
+        return r
+    end) .. '0000'):gsub('%d%d%d?%d?%d?%d?', function(x)
         if (#x < 6) then return '' end
         local c=0
         for i=1,6 do c=c+(x:sub(i,i)=='1' and 2^(6-i) or 0) end
-        return b:sub(c+1,c+1)
-    end)..({ '', '==', '=' })[#data%3+1])
+        return b:sub(c + 1, c + 1)
+    end) .. ({ '', '==', '=' })[#data % 3 + 1])
 end
 
 local function encode_ws_frame(payload)
@@ -227,11 +228,11 @@ local function encode_ws_frame(payload)
         header = header .. string.char(126) .. string.char(math.floor(len / 256)) .. string.char(len % 256)
     else
         -- 64-bit length not implemented for simplicity
-        header = header .. string.char(127) .. string.rep(string.char(0), 4) .. 
-                 string.char(math.floor(len / 16777216) % 256) ..
-                 string.char(math.floor(len / 65536) % 256) ..
-                 string.char(math.floor(len / 256) % 256) ..
-                 string.char(len % 256)
+        header = header .. string.char(127) .. string.rep(string.char(0), 4)
+            .. string.char(math.floor(len / 16777216) % 256)
+            .. string.char(math.floor(len / 65536) % 256)
+            .. string.char(math.floor(len / 256) % 256)
+            .. string.char(len % 256)
     end
     return header .. payload
 end
@@ -275,7 +276,8 @@ end
 function Device.create(data, request_id)
     local res = db.with_connection(function(conn)
         return conn:query(
-            "INSERT INTO devices (name, manufacturer, release_year, cpu, ram_mb, storage_mb, display_size, battery_hours) VALUES ($1, $2, $3, $4, $5, $6, $7, $8) RETURNING id",
+            "INSERT INTO devices (name, manufacturer, release_year, cpu, ram_mb, storage_mb, "
+                .. "display_size, battery_hours) VALUES ($1, $2, $3, $4, $5, $6, $7, $8) RETURNING id",
             data.name,
             data.manufacturer,
             (not is_json_null(data.release_year)) and tonumber(data.release_year) or nil,
@@ -302,14 +304,30 @@ function Device.update(id, data, request_id)
     db.with_connection(function(conn)
         local updates = {}
         local pg = conn
-        if not is_json_null(data.name) then table.insert(updates, "name = " .. pg:escape_literal(data.name)) end
-        if not is_json_null(data.manufacturer) then table.insert(updates, "manufacturer = " .. pg:escape_literal(data.manufacturer)) end
-        if not is_json_null(data.release_year) then table.insert(updates, "release_year = " .. tonumber(data.release_year)) end
-        if not is_json_null(data.cpu) then table.insert(updates, "cpu = " .. pg:escape_literal(data.cpu)) end
-        if not is_json_null(data.ram_mb) then table.insert(updates, "ram_mb = " .. tonumber(data.ram_mb)) end
-        if not is_json_null(data.storage_mb) then table.insert(updates, "storage_mb = " .. tonumber(data.storage_mb)) end
-        if not is_json_null(data.display_size) then table.insert(updates, "display_size = " .. pg:escape_literal(data.display_size)) end
-        if not is_json_null(data.battery_hours) then table.insert(updates, "battery_hours = " .. tonumber(data.battery_hours)) end
+        if not is_json_null(data.name) then
+            table.insert(updates, "name = " .. pg:escape_literal(data.name))
+        end
+        if not is_json_null(data.manufacturer) then
+            table.insert(updates, "manufacturer = " .. pg:escape_literal(data.manufacturer))
+        end
+        if not is_json_null(data.release_year) then
+            table.insert(updates, "release_year = " .. tonumber(data.release_year))
+        end
+        if not is_json_null(data.cpu) then
+            table.insert(updates, "cpu = " .. pg:escape_literal(data.cpu))
+        end
+        if not is_json_null(data.ram_mb) then
+            table.insert(updates, "ram_mb = " .. tonumber(data.ram_mb))
+        end
+        if not is_json_null(data.storage_mb) then
+            table.insert(updates, "storage_mb = " .. tonumber(data.storage_mb))
+        end
+        if not is_json_null(data.display_size) then
+            table.insert(updates, "display_size = " .. pg:escape_literal(data.display_size))
+        end
+        if not is_json_null(data.battery_hours) then
+            table.insert(updates, "battery_hours = " .. tonumber(data.battery_hours))
+        end
 
         if #updates > 0 then
             table.insert(updates, "updated_at = CURRENT_TIMESTAMP")
@@ -370,7 +388,7 @@ local function parse_headers(client)
         -- Use a small timeout for individual header lines to handle slow clients
         -- or cases where headers are partially sent.
         client:settimeout(0.1)
-        local line, err = client:receive("*l")
+        local line = client:receive("*l")
         if not line or line == "" then break end
         local key, value = line:match("^([^:]+):%s*(.*)$")
         if key then
@@ -588,7 +606,7 @@ function app.start()
         local red = get_redis_connection()
         if red then
             -- Note: redis-lua's subscribe() sets the connection into a subscription state.
-            local ok, err = pcall(function() return red:subscribe("devices:events") end)
+                local ok, err = pcall(function() return red:subscribe("devices:events") end)
             if ok then
                 -- Set the underlying socket to a very small timeout for non-blocking feel
                 pcall(function()
@@ -626,9 +644,8 @@ function app.start()
         for i, c in ipairs(clients) do
             local line, err = c.socket:receive("*l")
             if line then
-                local method, full_path = parse_request(line)
                 local headers = parse_headers(c.socket)
-                
+
                 if headers["upgrade"] == "websocket" then
                     -- Handle WebSocket Handshake
                     local key = headers["sec-websocket-key"]