replace commandline arguments with config.lua & add support for changing themes & coloschemes

Cargo.lock

@@ -15,7 +15,7 @@ dependencies = [
  "log",
  "memchr",
  "pin-project-lite",
- "tokio 1.27.0",
+ "tokio 1.28.0",
  "tokio-util",
 ]
 
@@ -75,7 +75,7 @@ dependencies = [
  "rand 0.8.5",
  "sha1",
  "smallvec 1.10.0",
- "tokio 1.27.0",
+ "tokio 1.28.0",
  "tokio-util",
  "tracing",
  "zstd",
@@ -111,7 +111,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "15265b6b8e2347670eb363c47fc8c75208b4a4994b27192f345fcbe707804f3e"
 dependencies = [
  "futures-core",
- "tokio 1.27.0",
+ "tokio 1.28.0",
 ]
 
 [[package]]
@@ -128,7 +128,7 @@ dependencies = [
  "mio 0.8.6",
  "num_cpus",
  "socket2",
- "tokio 1.27.0",
+ "tokio 1.28.0",
  "tracing",
 ]
 
@@ -268,55 +268,6 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
-[[package]]
-name = "anstream"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e579a7752471abc2a8268df8b20005e3eadd975f585398f17efcfd8d4927371"
-dependencies = [
- "anstyle",
- "anstyle-parse",
- "anstyle-query",
- "anstyle-wincon",
- "colorchoice",
- "is-terminal",
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
-
-[[package]]
-name = "anstyle-parse"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
-dependencies = [
- "utf8parse",
-]
-
-[[package]]
-name = "anstyle-query"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
-dependencies = [
- "windows-sys 0.48.0",
-]
-
-[[package]]
-name = "anstyle-wincon"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bcd8291a340dd8ac70e18878bc4501dd7b4ff970cfa21c207d36ece51ea88fd"
-dependencies = [
- "anstyle",
- "windows-sys 0.48.0",
-]
-
 [[package]]
 name = "askama_escape"
 version = "0.10.3"
@@ -348,7 +299,7 @@ dependencies = [
  "cc",
  "cfg-if 1.0.0",
  "libc",
- "miniz_oxide",
+ "miniz_oxide 0.6.2",
  "object",
  "rustc-demangle",
 ]
@@ -419,6 +370,15 @@ dependencies = [
  "alloc-stdlib",
 ]
 
+[[package]]
+name = "bstr"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.12.1"
@@ -478,48 +438,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "clap"
-version = "4.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "956ac1f6381d8d82ab4684768f89c0ea3afe66925ceadb4eeb3fc452ffc55d62"
-dependencies = [
- "clap_builder",
- "clap_derive",
- "once_cell",
-]
-
-[[package]]
-name = "clap_builder"
-version = "4.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84080e799e54cff944f4b4a4b0e71630b0e0443b25b985175c7dddc1a859b749"
-dependencies = [
- "anstream",
- "anstyle",
- "bitflags",
- "clap_lex",
- "strsim",
-]
-
-[[package]]
-name = "clap_derive"
-version = "4.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9644cd56d6b87dbe899ef8b053e331c0637664e9e21a33dfcdc36093f5c5c4"
-dependencies = [
- "heck",
- "proc-macro2 1.0.56",
- "quote 1.0.26",
- "syn 2.0.15",
-]
-
-[[package]]
-name = "clap_lex"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a2dd5a6fe8c6e3502f568a6353e5273bbb15193ad9a89e457b9970798efbea1"
-
 [[package]]
 name = "cloudabi"
 version = "0.0.3"
@@ -529,12 +447,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "colorchoice"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
-
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -836,12 +748,12 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.25"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8a2db397cb1c8772f31494cb8917e48cd1e64f0fa7efac59fbd741a0a8ce841"
+checksum = "3b9429470923de8e8cbd4d2dc513535400b4b3fef0319fb5c4e1f520a7bef743"
 dependencies = [
  "crc32fast",
- "miniz_oxide",
+ "miniz_oxide 0.7.1",
 ]
 
 [[package]]
@@ -1049,7 +961,7 @@ dependencies = [
  "http 0.2.9",
  "indexmap",
  "slab",
- "tokio 1.27.0",
+ "tokio 1.28.0",
  "tokio-util",
  "tracing",
 ]
@@ -1075,12 +987,6 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
-[[package]]
-name = "heck"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
-
 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
@@ -1241,7 +1147,7 @@ dependencies = [
  "itoa 1.0.6",
  "pin-project-lite",
  "socket2",
- "tokio 1.27.0",
+ "tokio 1.28.0",
  "tower-service",
  "tracing",
  "want 0.3.0",
@@ -1269,7 +1175,7 @@ dependencies = [
  "bytes 1.4.0",
  "hyper 0.14.26",
  "native-tls",
- "tokio 1.27.0",
+ "tokio 1.28.0",
  "tokio-native-tls",
 ]
 
@@ -1422,9 +1328,9 @@ checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.3.3"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b085a4f2cde5781fc4b1717f2e86c62f5cda49de7ba99a7c2eae02b61c9064c"
+checksum = "b64f40e5e03e0d54f03845c8197d0291253cdbedfb1cb46b13c2c117554a9f4c"
 
 [[package]]
 name = "local-channel"
@@ -1561,6 +1467,15 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
+dependencies = [
+ "adler",
+]
+
 [[package]]
 name = "mio"
 version = "0.6.23"
@@ -1645,6 +1560,15 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 
+[[package]]
+name = "num-traits"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+dependencies = [
+ "autocfg 1.1.0",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.15.0"
@@ -1672,9 +1596,9 @@ checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
 
 [[package]]
 name = "openssl"
-version = "0.10.51"
+version = "0.10.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97ea2d98598bf9ada7ea6ee8a30fb74f9156b63bbe495d64ec2b87c269d2dda3"
+checksum = "01b8574602df80f7b85fdfc5392fa884a4e3b3f4f35402c070ab34c3d3f78d56"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
@@ -1704,9 +1628,9 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.86"
+version = "0.9.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "992bac49bdbab4423199c654a5515bd2a6c6a23bf03f2dd3bdb7e5ae6259bc69"
+checksum = "8e17f59264b2809d77ae94f0e1ebabc434773f370d6ca667bd223ea10e06cc7e"
 dependencies = [
  "cc",
  "libc",
@@ -1783,9 +1707,9 @@ checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
 [[package]]
 name = "pest"
-version = "2.5.7"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b1403e8401ad5dedea73c626b99758535b342502f8d1e361f4a2dd952749122"
+checksum = "e68e84bfb01f0507134eac1e9b410a12ba379d064eab48c50ba4ce329a527b70"
 dependencies = [
  "thiserror",
  "ucd-trie",
@@ -1793,9 +1717,9 @@ dependencies = [
 
 [[package]]
 name = "pest_derive"
-version = "2.5.7"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be99c4c1d2fc2769b1d00239431d711d08f6efedcecb8b6e30707160aee99c15"
+checksum = "6b79d4c71c865a25a4322296122e3924d30bc8ee0834c8bfc8b95f7f054afbfb"
 dependencies = [
  "pest",
  "pest_generator",
@@ -1803,9 +1727,9 @@ dependencies = [
 
 [[package]]
 name = "pest_generator"
-version = "2.5.7"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e56094789873daa36164de2e822b3888c6ae4b4f9da555a1103587658c805b1e"
+checksum = "6c435bf1076437b851ebc8edc3a18442796b30f1728ffea6262d59bbe28b077e"
 dependencies = [
  "pest",
  "pest_meta",
@@ -1816,9 +1740,9 @@ dependencies = [
 
 [[package]]
 name = "pest_meta"
-version = "2.5.7"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6733073c7cff3d8459fda0e42f13a047870242aed8b509fe98000928975f359e"
+checksum = "745a452f8eb71e39ffd8ee32b3c5f51d03845f99786fa9b68db6ff509c505411"
 dependencies = [
  "once_cell",
  "pest",
@@ -2310,9 +2234,9 @@ dependencies = [
 
 [[package]]
 name = "reqwest"
-version = "0.11.16"
+version = "0.11.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27b71749df584b7f4cac2c426c127a7c785a5106cc98f7a8feb044115f0fa254"
+checksum = "13293b639a097af28fc8a90f22add145a9c954e49d77da06263d58cf44d5fb91"
 dependencies = [
  "base64 0.21.0",
  "bytes 1.4.0",
@@ -2335,7 +2259,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded 0.7.1",
- "tokio 1.27.0",
+ "tokio 1.28.0",
  "tokio-native-tls",
  "tower-service",
  "url 2.3.1",
@@ -2345,6 +2269,30 @@ dependencies = [
  "winreg 0.10.1",
 ]
 
+[[package]]
+name = "rlua"
+version = "0.19.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95b38117a836316ef62c02f6751e6d28e2eb53a1c35f0329427a9fb9c1c7b6a0"
+dependencies = [
+ "bitflags",
+ "bstr",
+ "libc",
+ "num-traits",
+ "rlua-lua54-sys",
+]
+
+[[package]]
+name = "rlua-lua54-sys"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23ae48797c3e76fb2c205fda8f30e28416a15b9fc1d649cc7cea9ff1fb9cf028"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -2371,9 +2319,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.37.13"
+version = "0.37.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f79bef90eb6d984c72722595b5b1348ab39275a5e5123faca6863bf07d75a4e0"
+checksum = "bc809f704c03a812ac71f22456c857be34185cac691a4316f27ab0f633bb9009"
 dependencies = [
  "bitflags",
  "errno",
@@ -2719,12 +2667,6 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1884d1bc09741d466d9b14e6d37ac89d6909cbcac41dd9ae982d4d063bbedfc"
 
-[[package]]
-name = "strsim"
-version = "0.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
-
 [[package]]
 name = "syn"
 version = "0.15.44"
@@ -2897,9 +2839,9 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.27.0"
+version = "1.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0de47a4eecbe11f498978a9b29d792f0d2692d1dd003650c24c76510e3bc001"
+checksum = "c3c786bf8134e5a3a166db9b29ab8f48134739014a3eca7bc6bfa95d673b136f"
 dependencies = [
  "autocfg 1.1.0",
  "bytes 1.4.0",
@@ -2911,7 +2853,7 @@ dependencies = [
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "windows-sys 0.45.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -2958,9 +2900,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61a573bdc87985e9d6ddeed1b3d864e8a302c847e40d647746df2f1de209d1ce"
+checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2 1.0.56",
  "quote 1.0.26",
@@ -2974,7 +2916,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
 dependencies = [
  "native-tls",
- "tokio 1.27.0",
+ "tokio 1.28.0",
 ]
 
 [[package]]
@@ -3051,15 +2993,15 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.7"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5427d89453009325de0d8f342c9490009f76e999cb7672d77e46267448f7e6b2"
+checksum = "806fe8c2c87eccc8b3267cbae29ed3ab2d0bd37fca70ab622e46aaa9375ddb7d"
 dependencies = [
  "bytes 1.4.0",
  "futures-core",
  "futures-sink",
  "pin-project-lite",
- "tokio 1.27.0",
+ "tokio 1.28.0",
  "tracing",
 ]
 
@@ -3193,12 +3135,6 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
-[[package]]
-name = "utf8parse"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
-
 [[package]]
 name = "uuid"
 version = "0.7.4"
@@ -3351,16 +3287,16 @@ version = "0.1.0"
 dependencies = [
  "actix-files",
  "actix-web",
- "clap",
  "env_logger",
  "fake-useragent",
  "handlebars",
  "log",
- "reqwest 0.11.16",
+ "reqwest 0.11.17",
+ "rlua",
  "scraper",
  "serde",
  "serde_json",
- "tokio 1.27.0",
+ "tokio 1.28.0",
 ]
 
 [[package]]

Cargo.toml

@@ -9,12 +9,12 @@ edition = "2021"
 reqwest = {version="*",features=["json"]}
 tokio = {version="*",features=["full"]}
 serde = {version="*",features=["derive"]}
-handlebars = { version = "4.2.1", features = ["dir_source"] }
+handlebars = { version = "4.3.6", features = ["dir_source"] }
 scraper = {version="*"}
-actix-web = {version="4"}
+actix-web = {version="4.3.1"}
 actix-files = {version="0.6.2"}
 serde_json = {version="*"}
 fake-useragent = {version="*"}
-clap = {version="*", features = ["derive"] }
 env_logger = "0.10.0"
 log = "0.4.17"
+rlua = {version="*"}

public/static/{style.css → themes/simple.css}

@@ -1,4 +1,4 @@
-@import url('./catppuccin-mocha.css');
+/* @import url('./catppuccin-mocha.css'); */
 
 * {
   padding: 0;

public/templates/404.html

@@ -1,4 +1,4 @@
-{{>header}}
+{{>header this}}
 <main class="error_container">
   <img src="images/robot-404.svg" alt="Image of broken robot." />
   <div class="error_content">

public/templates/about.html

@@ -1,4 +1,4 @@
-{{>header}}
+{{>header this}}
 <main class="about-container">
   <h1>Websurfx</h1>
   <small

public/templates/header.html

@@ -1,10 +1,11 @@
 <!DOCTYPE html>
 <html lang="en">
   <head>
-    <title></title>
+    <title>Websurfx</title>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <link href="static/style.css" rel="stylesheet" type="text/css" />
+    <link href="static/colorschemes/{{colorscheme}}.css" rel="stylesheet" type="text/css" />
+    <link href="static/themes/{{theme}}.css" rel="stylesheet" type="text/css" />
   </head>
 
   <body>

public/templates/index.html

@@ -1,4 +1,4 @@
-{{>header}}
+{{>header this}}
 <main class="search-container">
     <img src="images/fps_logo.png" alt="Websurfx meta-search engine logo" />
     {{>search_bar}}

public/templates/search.html

@@ -1,4 +1,4 @@
-{{>header}}
+{{>header this.style}}
 <main class="results">
     {{>search_bar}}
     <div class="results_aggregated">

public/templates/settings.html

@@ -1,4 +1,4 @@
-{{>header}}
+{{>header this}}
 <main class="settings">
   <h1>Page is under construction</h1>
 </main>

src/bin/websurfx.rs

@@ -3,50 +3,10 @@
 //! This module contains the main function which handles the logging of the application to the
 //! stdout and handles the command line arguments provided and launches the `websurfx` server.
 
-use std::{ops::RangeInclusive, net::TcpListener};
+use std::net::TcpListener;
 
-use clap::{command, Parser};
 use env_logger::Env;
-use websurfx::run;
-
-/// A commandline arguments struct.
-#[derive(Parser, Debug, Default)]
-#[clap(author = "neon_arch", version, about = "Websurfx server application")]
-#[command(propagate_version = true)]
-struct CliArgs {
-    #[clap(default_value_t = 8080, short, long,value_parser = is_port_in_range)]
-    /// provide port number in range [1024-65536] to launch the server on.
-    port: u16,
-}
-
-const PORT_RANGE: RangeInclusive<usize> = 1024..=65535;
-
-/// A function to check whether port is valid u32 number or is in range
-/// between [1024-65536] otherwise display an appropriate error message.
-///
-/// # Arguments
-///
-/// * `s` - Takes a commandline argument port as a string.
-///
-/// # Error
-///
-/// Check whether the provided argument to `--port` commandline option is a valid
-/// u16 argument and returns it as a u16 value otherwise returns an error with an
-/// appropriate error message.
-fn is_port_in_range(s: &str) -> Result<u16, String> {
-    let port: usize = s
-        .parse()
-        .map_err(|_| format!("`{s}` is not a valid port number"))?;
-    if PORT_RANGE.contains(&port) {
-        Ok(port as u16)
-    } else {
-        Err(format!(
-            "port not found in range {}-{}",
-            PORT_RANGE.start(),
-            PORT_RANGE.end()
-        ))
-    }
-}
+use websurfx::{config_parser::parser::Config, run};
 
 /// The function that launches the main server and registers all the routes of the website.
 ///
@@ -56,14 +16,15 @@ fn is_port_in_range(s: &str) -> Result<u16, String> {
 /// available for being used for other applications.
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
-    let args = CliArgs::parse();
+    // Initialize the parsed config file.
+    let config = Config::parse().unwrap();
 
     // Initializing logging middleware with level set to default or info.
     env_logger::Builder::from_env(Env::default().default_filter_or("info")).init();
 
-    log::info!("started server on port {}", args.port);
+    log::info!("started server on port {}", config.port);
 
-    let listener = TcpListener::bind(("127.0.0.1", args.port))?;
+    let listener = TcpListener::bind((config.binding_ip_addr.clone(), config.port))?;
 
-    run(listener)?.await
+    run(listener, config)?.await
 }

src/config_parser/mod.rs

@@ -0,0 +1 @@
+pub mod parser;

src/config_parser/parser.rs

@@ -0,0 +1,62 @@
+//! This module provides the functionality to parse the lua config and convert the config options
+//! into rust readable form.
+
+use rlua::Lua;
+use serde::Serialize;
+use std::fs;
+
+#[derive(Serialize, Clone)]
+pub struct Style {
+    pub theme: String,
+    pub colorscheme: String,
+}
+
+impl Style {
+    pub fn new(theme: String, colorscheme: String) -> Self {
+        Style { theme, colorscheme }
+    }
+}
+
+/// A named struct which stores the parsed config file options.
+///
+/// # Fields
+//
+/// * `port` - It stores the parsed port number option on which the server should launch.
+/// * `binding_ip_addr` - It stores the parsed ip address option on which the server should launch
+#[derive(Clone)]
+pub struct Config {
+    pub port: u16,
+    pub binding_ip_addr: String,
+    pub style: Style,
+}
+
+impl Config {
+    /// A function which parses the config.lua file and puts all the parsed options in the newly
+    /// contructed Config struct and returns it.
+    ///
+    /// # Error
+    ///
+    /// Returns a lua parse error if parsing of the config.lua file fails or has a syntax error
+    /// or io error if the config.lua file doesn't exists otherwise it returns a newly contructed
+    /// Config struct with all the parsed config options from the parsed config file.
+    pub fn parse() -> Result<Self, Box<dyn std::error::Error>> {
+        let lua = Lua::new();
+
+        lua.context(|context| {
+            let globals = context.globals();
+
+            context
+                .load(&fs::read_to_string("./websurfx/config.lua")?)
+                .exec()?;
+
+            Ok(Config {
+                port: globals.get::<_, u16>("port")?,
+                binding_ip_addr: globals.get::<_, String>("binding_ip_addr")?,
+                style: Style::new(
+                    globals.get::<_, String>("theme")?,
+                    globals.get::<_, String>("colorscheme")?,
+                ),
+            })
+        })
+    }
+}

src/lib.rs

@@ -1,21 +1,22 @@
 //! This main library module provides the functionality to provide and handle the Tcp server
 //! and register all the routes for the `websurfx` meta search engine website.
 
+pub mod config_parser;
 pub mod engines;
-pub mod server;
 pub mod search_results_handler;
+pub mod server;
 
 use std::net::TcpListener;
 
 use crate::server::routes;
 
 use actix_files as fs;
-use actix_web::{middleware::Logger, web, App, HttpServer, dev::Server};
+use actix_web::{dev::Server, middleware::Logger, web, App, HttpServer};
+use config_parser::parser::Config;
 use handlebars::Handlebars;
 
-
 /// Runs the web server on the provided TCP listener and returns a `Server` instance.
-/// 
+///
 /// # Arguments
 ///
 /// * `listener` - A `TcpListener` instance representing the address and port to listen on.
@@ -25,7 +26,7 @@ use handlebars::Handlebars;
 /// Returns a `Result` containing a `Server` instance on success, or an `std::io::Error` on failure.
 ///
 /// # Example
-/// 
+///
 /// ```rust
 /// use std::net::TcpListener;
 /// use websurfx::run;
@@ -33,7 +34,7 @@ use handlebars::Handlebars;
 /// let listener = TcpListener::bind("127.0.0.1:8080").expect("Failed to bind address");
 /// let server = run(listener).expect("Failed to start server");
 /// ```
-pub fn run(listener: TcpListener) -> std::io::Result<Server> {
+pub fn run(listener: TcpListener, config: Config) -> std::io::Result<Server> {
     let mut handlebars: Handlebars = Handlebars::new();
 
     handlebars
@@ -45,6 +46,7 @@ pub fn run(listener: TcpListener) -> std::io::Result<Server> {
     let server = HttpServer::new(move || {
         App::new()
             .app_data(handlebars_ref.clone())
+            .app_data(web::Data::new(config.clone()))
             .wrap(Logger::default()) // added logging middleware for logging.
             // Serve images and static files (css and js files).
             .service(fs::Files::new("/static", "./public/static").show_files_listing())

src/search_results_handler/aggregation_models.rs

@@ -3,6 +3,8 @@
 
 use serde::Serialize;
 
+use crate::config_parser::parser::Style;
+
 /// A named struct to store and serialize the individual search result from all the scraped
 /// and aggregated search results from the upstream search engines.
 ///
@@ -117,11 +119,12 @@ impl RawSearchResult {
 /// * `results` - Stores the individual serializable `SearchResult` struct into a vector of
 /// `SearchResult` structs.
 /// * `page_query` - Stores the current pages search query `q` provided in the search url.
-#[derive(Debug, Serialize)]
+#[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct SearchResults {
     pub results: Vec<SearchResult>,
     pub page_query: String,
+    pub style: Style,
 }
 
 impl SearchResults {
@@ -137,6 +140,11 @@ impl SearchResults {
         SearchResults {
             results,
             page_query,
+            style: Style::new("".to_string(), "".to_string()),
         }
     }
+
+    pub fn add_style(&mut self, style: Style) {
+        self.style = style;
+    }
 }

src/server/routes.rs

@@ -4,7 +4,7 @@
 
 use std::fs::read_to_string;
 
-use crate::search_results_handler::aggregator::aggregate;
+use crate::{config_parser::parser::Config, search_results_handler::aggregator::aggregate};
 use actix_web::{get, web, HttpRequest, HttpResponse};
 use handlebars::Handlebars;
 use serde::Deserialize;
@@ -27,8 +27,9 @@ struct SearchParams {
 #[get("/")]
 pub async fn index(
     hbs: web::Data<Handlebars<'_>>,
+    config: web::Data<Config>,
 ) -> Result<HttpResponse, Box<dyn std::error::Error>> {
-    let page_content: String = hbs.render("index", &"").unwrap();
+    let page_content: String = hbs.render("index", &config.style).unwrap();
     Ok(HttpResponse::Ok().body(page_content))
 }
 
@@ -36,8 +37,9 @@ pub async fn index(
 /// website essentially the 404 error page.
 pub async fn not_found(
     hbs: web::Data<Handlebars<'_>>,
+    config: web::Data<Config>,
 ) -> Result<HttpResponse, Box<dyn std::error::Error>> {
-    let page_content: String = hbs.render("404", &"")?;
+    let page_content: String = hbs.render("404", &config.style)?;
 
     Ok(HttpResponse::Ok()
         .content_type("text/html; charset=utf-8")
@@ -52,7 +54,7 @@ pub async fn not_found(
 /// ```bash
 /// curl "http://127.0.0.1:8080/search?q=sweden&page=1"
 /// ```
-/// 
+///
 /// Or
 ///
 /// ```bash
@@ -62,6 +64,7 @@ pub async fn not_found(
 pub async fn search(
     hbs: web::Data<Handlebars<'_>>,
     req: HttpRequest,
+    config: web::Data<Config>,
 ) -> Result<HttpResponse, Box<dyn std::error::Error>> {
     let params = web::Query::<SearchParams>::from_query(req.query_string())?;
     match &params.q {
@@ -71,8 +74,9 @@ pub async fn search(
                     .insert_header(("location", "/"))
                     .finish())
             } else {
-                let results_json: crate::search_results_handler::aggregation_models::SearchResults =
+                let mut results_json: crate::search_results_handler::aggregation_models::SearchResults =
                     aggregate(query, params.page).await?;
+                results_json.add_style(config.style.clone());
                 let page_content: String = hbs.render("search", &results_json)?;
                 Ok(HttpResponse::Ok().body(page_content))
             }
@@ -96,8 +100,9 @@ pub async fn robots_data(_req: HttpRequest) -> Result<HttpResponse, Box<dyn std:
 #[get("/about")]
 pub async fn about(
     hbs: web::Data<Handlebars<'_>>,
+    config: web::Data<Config>,
 ) -> Result<HttpResponse, Box<dyn std::error::Error>> {
-    let page_content: String = hbs.render("about", &"")?;
+    let page_content: String = hbs.render("about", &config.style)?;
     Ok(HttpResponse::Ok().body(page_content))
 }
 
@@ -105,8 +110,9 @@ pub async fn about(
 #[get("/settings")]
 pub async fn settings(
     hbs: web::Data<Handlebars<'_>>,
+    config: web::Data<Config>,
 ) -> Result<HttpResponse, Box<dyn std::error::Error>> {
-    let page_content: String = hbs.render("settings", &"")?;
+    let page_content: String = hbs.render("settings", &config.style)?;
     Ok(HttpResponse::Ok().body(page_content))
 }
 

websurfx/config.lua

@@ -0,0 +1,4 @@
+port = "8080"
+binding_ip_addr = "127.0.0.1"
+colorscheme = "catppuccin-mocha"
+theme = "simple"