diff --git a/src/firmware/xbuilder.rs b/src/firmware/xbuilder.rs
index c7ce4a6..4bb7b63 100644
--- a/src/firmware/xbuilder.rs
+++ b/src/firmware/xbuilder.rs
@@ -7,12 +7,15 @@ use chrono::{DateTime, Utc};
 use rayon::iter::{ParallelBridge, ParallelIterator};
 use tar::Archive;
 
-use crate::recipe_functions::common;
+use crate::recipe_functions::common::{self, EnumAsValue};
+
+pub type DefaultResult = Result<(), Box<dyn std::error::Error>>;
 
 pub trait Peekable {
     fn peek(&self) -> Result<Vec<String>, Box<dyn std::error::Error>>;
 }
 
+#[derive(Debug, Clone)]
 /// Is expected to get information about last build
 pub struct LastBuildFirmware {
     pub path: String,
@@ -40,6 +43,13 @@ impl Peekable for LastBuildFirmware {
     }
 }
 
+impl LastBuildFirmware {
+    pub fn update_entries(&mut self) -> DefaultResult {
+        self.entries = self.peek()?;
+        Ok(())
+    }
+}
+
 pub fn read_last_build_firmwares() -> Result<Vec<LastBuildFirmware>, Box<dyn std::error::Error>> {
     // get config
     let ucfg = common::get_config();
@@ -77,3 +87,180 @@ pub fn read_last_build_firmwares() -> Result<Vec<LastBuildFirmware>, Box<dyn std
 
     Ok(result)
 }
+
+#[derive(Debug, Clone)]
+pub enum CountryShortCode {
+    THA,
+    MYS,
+    AUS,
+    SGP,
+    UAE,
+    DUBAI,
+    HKG,
+    GBR,
+    CC(String),
+}
+
+impl EnumAsValue<String> for CountryShortCode {
+    fn name(&self) -> String {
+        format!("{:?}", self.clone()).to_lowercase()
+    }
+
+    fn value(&self) -> String {
+        self.name().to_lowercase()
+    }
+
+    fn get(val: String) -> Self {
+        return unsafe { std::mem::transmute::<_, CountryShortCode>(val.to_uppercase()) };
+    }
+}
+
+#[allow(non_camel_case_types)]
+#[derive(Debug, Clone)]
+pub enum FirmwareTypes {
+    FULL,
+    PATCH,
+    NOT_FULL,
+    DEV,
+    CUSTOM(String),
+}
+
+impl EnumAsValue<String> for FirmwareTypes {
+    fn name(&self) -> String {
+        format!("{:?}", self.clone()).to_lowercase()
+    }
+
+    fn value(&self) -> String {
+        self.name().to_lowercase()
+    }
+
+    fn get(val: String) -> Self {
+        return unsafe { std::mem::transmute::<_, FirmwareTypes>(val.to_uppercase()) };
+    }
+}
+
+/// Filter each field in order
+pub struct FirmwareFilterOptions {
+    short_country_code: Option<CountryShortCode>,
+    version: Option<String>,
+    fw_type: Option<FirmwareTypes>,
+    additional_condition: Option<Box<dyn FnMut(LastBuildFirmware) -> bool>>,
+}
+
+impl Default for FirmwareFilterOptions {
+    fn default() -> Self {
+        Self {
+            short_country_code: None,
+            version: None,
+            fw_type: None,
+            additional_condition: None,
+        }
+    }
+}
+
+impl FirmwareFilterOptions {
+    pub fn new() -> Self {
+        FirmwareFilterOptions::default()
+    }
+
+    pub fn set_cc(&mut self, cc: CountryShortCode) -> &mut Self {
+        self.short_country_code = Some(cc);
+        self
+    }
+
+    pub fn set_version(&mut self, v: String) -> &mut Self {
+        self.version = Some(v);
+        self
+    }
+
+    pub fn set_fw_type(&mut self, fwt: FirmwareTypes) -> &mut Self {
+        self.fw_type = Some(fwt);
+        self
+    }
+
+    pub fn set_more_condition(
+        &mut self,
+        cond: Box<dyn FnMut(LastBuildFirmware) -> bool>,
+    ) -> &mut Self {
+        self.additional_condition = Some(cond);
+        self
+    }
+}
+
+pub struct XBuilder {
+    saved_firmwares: Vec<LastBuildFirmware>,
+}
+
+impl XBuilder {
+    pub fn new() -> Self {
+        let saved_firmwares = read_last_build_firmwares().unwrap_or(Vec::new());
+
+        Self { saved_firmwares }
+    }
+
+    pub fn get_latest_by_options(&self, option: FirmwareFilterOptions) -> Vec<LastBuildFirmware> {
+        let mut result = Vec::new();
+
+        if option.short_country_code.is_some() {
+            let cc_option = option.short_country_code.unwrap();
+            result = self
+                .saved_firmwares
+                .iter()
+                .filter(|fw| fw.path.contains(&cc_option.name()))
+                .map(|fw| fw.clone())
+                .collect();
+        }
+
+        if option.version.is_some() {
+            let filter_target = if result.is_empty() {
+                self.saved_firmwares.clone()
+            } else {
+                result.clone()
+            };
+            let version_option = option.version.unwrap();
+
+            result = filter_target
+                .iter()
+                .filter(|fw| fw.path.contains(&version_option))
+                .map(|fw| fw.clone())
+                .collect();
+        }
+
+        if option.fw_type.is_some() {
+            let filter_target = if result.is_empty() {
+                self.saved_firmwares.clone()
+            } else {
+                result.clone()
+            };
+            let fw_type = option.fw_type.unwrap();
+
+            result = filter_target
+                .iter()
+                .filter(|fw| fw.path.contains(&fw_type.name()))
+                .map(|fw| fw.clone())
+                .collect();
+        }
+
+        if option.additional_condition.is_some() {
+            let filter_target = if result.is_empty() {
+                self.saved_firmwares.clone()
+            } else {
+                result.clone()
+            };
+            let mut f_result = Vec::new();
+            let mut predicate = option.additional_condition.unwrap();
+
+            for fw in filter_target {
+                if predicate(fw.clone()) {
+                    f_result.push(fw.clone());
+                }
+            }
+
+            if !f_result.is_empty() {
+                result = f_result;
+            }
+        }
+
+        result
+    }
+}
diff --git a/src/recipe_functions/common.rs b/src/recipe_functions/common.rs
index dba9f2f..f61d932 100644
--- a/src/recipe_functions/common.rs
+++ b/src/recipe_functions/common.rs
@@ -5,6 +5,12 @@ use crate::models::{self, recipe::Recipe01};
 use std::collections::HashMap;
 use std::{fs::File, io::Read};
 
+pub trait EnumAsValue<T> {
+    fn name(&self) -> String;
+    fn value(&self) -> T;
+    fn get(val: T) -> Self;
+}
+
 // Change path here!
 
 fn extract_tb_config(content: String) -> HashMap<String, String> {