Merge branch 'rolling' into FIX/468_pagination-for-the-upstream-search-engines-not-working

public/static/cookies.js

@@ -1,3 +1,62 @@
+/**
+ * This functions gets the saved cookies if it is present on the user's machine If it
+ * is available then it is parsed and converted to an object which is then used to
+ * retrieve the preferences that the user had selected previously and is then loaded
+ * and used for displaying the user provided settings by setting them as the selected
+ * options in the settings page.
+ *
+ * @function
+ * @param {string} cookie - It takes the client settings cookie as a string.
+ * @returns {void}
+ */
+function setClientSettingsOnPage(cookie) {
+  let cookie_value = cookie
+    .split(';')
+    .map((item) => item.split('='))
+    .reduce((acc, [_, v]) => (acc = JSON.parse(v)) && acc, {})
+
+  // Loop through all select tags and add their values to the cookie dictionary
+  document.querySelectorAll('select').forEach((select_tag) => {
+    switch (select_tag.name) {
+      case 'themes':
+        select_tag.value = cookie_value['theme']
+        break
+      case 'colorschemes':
+        select_tag.value = cookie_value['colorscheme']
+        break
+      case 'animations':
+        select_tag.value = cookie_value['animation']
+        break
+      case 'safe_search_levels':
+        select_tag.value = cookie_value['safe_search_level']
+        break
+    }
+  })
+  let engines = document.querySelectorAll('.engine')
+  let engines_cookie = cookie_value['engines']
+
+  if (engines_cookie.length === engines.length) {
+    document.querySelector('.select_all').checked = true
+    engines.forEach((engine_checkbox) => {
+      engine_checkbox.checked = true
+    })
+  } else {
+    engines.forEach((engines_checkbox) => {
+      engines_checkbox.checked = false
+    })
+    engines_cookie.forEach((engine_name) => {
+      engines.forEach((engine_checkbox) => {
+        if (
+          engine_checkbox.parentNode.parentNode.innerText.trim() ===
+          engine_name.trim()
+        ) {
+          engine_checkbox.checked = true
+        }
+      })
+    })
+  }
+}
+
 /**
  * This function is executed when any page on the website finishes loading and
  * this function retrieves the cookies if it is present on the user's machine.
@@ -16,9 +75,14 @@ document.addEventListener(
       let cookie = decodeURIComponent(document.cookie)
       // Set the value of the input field to the decoded cookie value if it is not empty
       // Otherwise, display a message indicating that no cookies have been saved on the user's system
-      document.querySelector('.cookies input').value = cookie.length
-        ? cookie
-        : 'No cookies have been saved on your system'
+      if (cookie.length) {
+        document.querySelector('.cookies input').value = cookie
+        // This function displays the user provided settings on the settings page.
+        setClientSettingsOnPage(cookie)
+      } else {
+        document.querySelector('.cookies input').value =
+          'No cookies have been saved on your system'
+      }
     } catch (error) {
       // If there is an error decoding the cookie, log the error to the console
       // and display an error message in the input field

public/static/themes/simple.css

@@ -600,12 +600,20 @@ footer div {
   text-transform: capitalize;
 }
 
-.settings_container .tab .description {
+.settings_container .tab .description,
+.settings_container .tab .admin_warning {
   font-size: 1.5rem;
   margin-bottom: 0.5rem;
+}
+
+.settings_container .tab .description {
   color: var(--foreground-color);
 }
 
+.settings_container .tab .admin_warning {
+  color: var(--color-two);
+}
+
 .settings_container .user_interface select,
 .settings_container .general select {
   margin: 0.7rem 0;

src/server/router.rs

@@ -75,13 +75,11 @@ pub async fn settings(
         .content_type("text/html; charset=utf-8")
         .body(
             crate::templates::views::settings::settings(
+                config.safe_search,
                 &config.style.colorscheme,
                 &config.style.theme,
                 &config.style.animation,
-                &config
-                    .upstream_search_engines
-                    .keys()
-                    .collect::<Vec<&String>>(),
+                &config.upstream_search_engines,
             )?
             .0,
         ))

src/templates/partials/settings_tabs/engines.rs

@@ -1,17 +1,20 @@
 //! A module that handles the engines tab for setting page view in the `websurfx` frontend.
 
+use std::collections::HashMap;
+
 use maud::{html, Markup};
 
 /// A functions that handles the html code for the engines tab for the settings page for the search page.
 ///
 /// # Arguments
 ///
-/// * `engine_names` - It takes the list of all available engine names as an argument.
+/// * `engine_names` - It takes the key value pair list of all available engine names and there corresponding
+/// selected (enabled/disabled) value as an argument.
 ///
 /// # Returns
 ///
 /// It returns the compiled html markup code for the engines tab.
-pub fn engines(engine_names: &[&String]) -> Markup {
+pub fn engines(engine_names: &HashMap<String, bool>) -> Markup {
     html!(
         div class="engines tab"{
            h1{"Engines"}
@@ -20,21 +23,49 @@ pub fn engines(engine_names: &[&String]) -> Markup {
               "Select the search engines from the list of engines that you want results from"
            }
            .engine_selection{
-               .toggle_btn{
-                  label class="switch"{
-                     input type="checkbox" class="select_all" onchange="toggleAllSelection()";
-                     span class="slider round"{}
-                  }
-                  "Select All"
+               // Checks whether all the engines are selected or not if they are then the
+               // checked `select_all` button is rendered otherwise the unchecked version
+               // is rendered.
+               @if engine_names.values().all(|selected| *selected){
+                   .toggle_btn{
+                      label class="switch"{
+                         input type="checkbox" class="select_all" onchange="toggleAllSelection()" checked;
+                         span class="slider round"{}
+                      }
+                      "Select All"
+                   }
+               }
+               @else{
+                   .toggle_btn {
+                      label class="switch"{
+                         input type="checkbox" class="select_all" onchange="toggleAllSelection()";
+                         span class="slider round"{}
+                      }
+                      "Select All"
+                   }
                }
                hr;
-               @for engine_name in engine_names{
-                   .toggle_btn{
-                       label class="switch"{
-                          input type="checkbox" class="engine";
-                          span class="slider round"{}
+               @for (engine_name, selected) in engine_names{
+                   // Checks whether the `engine_name` is selected or not if they are then the
+                   // checked `engine` button is rendered otherwise the unchecked version is
+                   // rendered.
+                   @if *selected {
+                       .toggle_btn{
+                           label class="switch"{
+                              input type="checkbox" class="engine" checked;
+                              span class="slider round"{}
+                           }
+                           (format!("{}{}",engine_name[..1].to_uppercase().to_owned(), engine_name[1..].to_owned()))
+                       }
+                   }
+                   @else {
+                       .toggle_btn {
+                           label class="switch"{
+                              input type="checkbox" class="engine";
+                              span class="slider round"{}
+                           }
+                           (format!("{}{}",engine_name[..1].to_uppercase().to_owned(), engine_name[1..].to_owned()))
                        }
-                       (format!("{}{}",engine_name[..1].to_uppercase().to_owned(), engine_name[1..].to_owned()))
                    }
                }
            }

src/templates/partials/settings_tabs/general.rs

@@ -7,10 +7,14 @@ const SAFE_SEARCH_LEVELS: [(u8, &str); 3] = [(0, "None"), (1, "Low"), (2, "Moder
 
 /// A functions that handles the html code for the general tab for the settings page for the search page.
 ///
+/// # Arguments
+///
+/// * `safe_search_level` - It takes the safe search level as an argument.
+///
 /// # Returns
 ///
 /// It returns the compiled html markup code for the general tab.
-pub fn general() -> Markup {
+pub fn general(safe_search_level: u8) -> Markup {
     html!(
         div class="general tab active"{
            h1{"General"}
@@ -18,9 +22,19 @@ pub fn general() -> Markup {
            p class="description"{
                "Select a safe search level from the menu below to filter content based on the level."
            }
-           select name="safe_search_levels"{
-               @for (k,v) in SAFE_SEARCH_LEVELS{
-                 option value=(k){(v)}
+           @if safe_search_level < 3 {
+               select name="safe_search_levels" {
+                   // Sets the user selected safe_search_level name from the config file as the first option in the selection list.
+                   option value=(safe_search_level){(SAFE_SEARCH_LEVELS.iter().find(|level| level.0 == safe_search_level).unwrap().1)}
+                   @for (k,v) in SAFE_SEARCH_LEVELS.iter().filter(|level| level.0 != safe_search_level){
+                     option value=(k){(v)}
+                   }
+               }
+           }
+           @else {
+               p class="admin_warning" {"⚠️  This setting is being managed by the server administrator."}
+               select name="safe_search_levels" disabled {
+                     option value=(SAFE_SEARCH_LEVELS[2].0){(SAFE_SEARCH_LEVELS[2].1)}
                }
            }
         }

src/templates/partials/settings_tabs/user_interface.rs

@@ -4,13 +4,16 @@ use crate::handler::{file_path, FileType};
 use maud::{html, Markup};
 use std::fs::read_dir;
 
-/// A helper function that helps in building the list of all available colorscheme/theme names
-/// present in the colorschemes and themes folder respectively.
+/// A helper function that helps in building the list of all available colorscheme/theme/animation
+/// names present in the colorschemes, animations and themes folder respectively by excluding the
+/// ones that have already been selected via the config file.
 ///
 /// # Arguments
 ///
 /// * `style_type` - It takes the style type of the values `theme` and `colorscheme` as an
 /// argument.
+/// * `selected_style` - It takes the currently selected style value provided via the config file
+/// as an argument.
 ///
 /// # Error
 ///
@@ -18,7 +21,8 @@ use std::fs::read_dir;
 /// returns a standard error message.
 fn style_option_list(
     style_type: &str,
-) -> Result<Vec<(String, String)>, Box<dyn std::error::Error + '_>> {
+    selected_style: &str,
+) -> Result<Vec<(String, String)>, Box<dyn std::error::Error>> {
     let mut style_option_names: Vec<(String, String)> = Vec::new();
     for file in read_dir(format!(
         "{}static/{}/",
@@ -26,7 +30,13 @@ fn style_option_list(
         style_type,
     ))? {
         let style_name = file?.file_name().to_str().unwrap().replace(".css", "");
-        style_option_names.push((style_name.clone(), style_name.replace('-', " ")));
+        if selected_style != style_name {
+            style_option_names.push((style_name.clone(), style_name.replace('-', " ")));
+        }
+    }
+
+    if style_type == "animations" {
+        style_option_names.push(("".to_owned(), "none".to_owned()))
     }
 
     Ok(style_option_names)
@@ -38,7 +48,11 @@ fn style_option_list(
 ///
 /// It returns the compiled html markup code for the user interface tab on success otherwise
 /// returns a standard error message.
-pub fn user_interface() -> Result<Markup, Box<dyn std::error::Error>> {
+pub fn user_interface(
+    theme: &str,
+    colorscheme: &str,
+    animation: &Option<String>,
+) -> Result<Markup, Box<dyn std::error::Error>> {
     Ok(html!(
         div class="user_interface tab"{
            h1{"User Interface"}
@@ -47,7 +61,9 @@ pub fn user_interface() -> Result<Markup, Box<dyn std::error::Error>> {
                "Select the theme from the available themes to be used in user interface"
            }
            select name="themes"{
-               @for (k,v) in style_option_list("themes")?{
+               // Sets the user selected theme name from the config file as the first option in the selection list.
+               option value=(theme){(theme.replace('-', " "))}
+               @for (k,v) in style_option_list("themes", theme)?{
                    option value=(k){(v)}
                }
            }
@@ -56,7 +72,9 @@ pub fn user_interface() -> Result<Markup, Box<dyn std::error::Error>> {
                "Select the color scheme for your theme to be used in user interface"
            }
            select name="colorschemes"{
-               @for (k,v) in style_option_list("colorschemes")?{
+               // Sets the user selected colorscheme name from the config file as the first option in the selection list.
+               option value=(colorscheme){(colorscheme.replace('-', " "))}
+               @for (k,v) in style_option_list("colorschemes", colorscheme)?{
                    option value=(k){(v)}
                }
            }
@@ -65,12 +83,12 @@ pub fn user_interface() -> Result<Markup, Box<dyn std::error::Error>> {
                "Select the animation for your theme to be used in user interface"
            }
            select name="animations"{
-               option value=""{"none"}
-               @for (k,v) in style_option_list("animations")?{
+               // Sets the user selected animation name from the config file as the first option in the selection list.
+               option value=(animation.as_ref().unwrap_or(&"".to_owned())){(animation.as_ref().unwrap_or(&"".to_owned()).replace('-'," "))}
+               @for (k,v) in style_option_list("animations", animation.as_ref().unwrap_or(&"".to_owned()))?{
                    option value=(k){(v)}
                }
            }
-
         }
     ))
 }

src/templates/views/settings.rs

@@ -1,5 +1,7 @@
 //! A module that handles the view for the settings page in the `websurfx` frontend.
 
+use std::collections::HashMap;
+
 use maud::{html, Markup};
 
 use crate::templates::partials::{
@@ -14,8 +16,10 @@ use crate::templates::partials::{
 ///
 /// # Arguments
 ///
+/// * `safe_search_level` - It takes the safe search level as an argument.
 /// * `colorscheme` - It takes the colorscheme name as an argument.
 /// * `theme` - It takes the theme name as an argument.
+/// * `animation` - It takes the animation name as an argument.
 /// * `engine_names` - It takes a list of engine names as an argument.
 ///
 /// # Error
@@ -23,10 +27,11 @@ use crate::templates::partials::{
 /// This function returns a compiled html markup code on success otherwise returns a standard error
 /// message.
 pub fn settings(
+    safe_search_level: u8,
     colorscheme: &str,
     theme: &str,
     animation: &Option<String>,
-    engine_names: &[&String],
+    engine_names: &HashMap<String, bool>,
 ) -> Result<Markup, Box<dyn std::error::Error>> {
     Ok(html!(
         (header(colorscheme, theme, animation))
@@ -41,8 +46,8 @@ pub fn settings(
                   .btn onclick="setActiveTab(this)"{"cookies"}
               }
               .main_container{
-                  (general())
-                  (user_interface()?)
+                  (general(safe_search_level))
+                  (user_interface(theme, colorscheme, animation)?)
                   (engines(engine_names))
                   (cookies())
                   p class="message"{}