chore: normalize code

imphnen-utils/src/crud.rs

@@ -0,0 +1,8 @@
+pub trait Crud<T, Args> {
+	fn list(&self, _args: Args) -> T {
+		unimplemented!("list() is not implemented for this type")
+	}
+	fn detail(&self, _args: Args) -> T {
+		unimplemented!("detail() is not implemented for this type")
+	}
+}

imphnen-utils/src/lib.rs

@@ -2,17 +2,20 @@ use imphnen_entities::*;
 use imphnen_libs::*;
 
 pub mod bind_filter;
+pub mod crud;
 pub mod extract_email;
 pub mod generate_date;
 pub mod generate_otp;
 pub mod get_id;
 pub mod make_thing;
 pub mod mock_test;
+pub mod query_builder;
 pub mod query_list;
 pub mod response_format;
 pub mod validator;
 
 pub use bind_filter::*;
+pub use crud::*;
 pub use extract_email::*;
 pub use generate_date::*;
 pub use generate_otp::*;
@@ -21,6 +24,7 @@ pub use imphnen_entities::*;
 pub use imphnen_libs::*;
 pub use make_thing::*;
 pub use mock_test::*;
+pub use query_builder::*;
 pub use query_list::*;
 pub use response_format::*;
 pub use validator::*;

imphnen-utils/src/query_builder.rs

@@ -0,0 +1,137 @@
+use imphnen_libs::MetaRequestDto;
+
+pub struct ListQueryBuilder {
+	resource: String,
+	conditions: Vec<String>,
+	limit: usize,
+	start: usize,
+	order_by: Option<String>,
+	order: Option<String>,
+	fetch: Vec<String>,
+	select_fields: Vec<String>,
+}
+
+impl ListQueryBuilder {
+	pub fn from_meta(
+		resource: impl Into<String>,
+		meta: &MetaRequestDto,
+		search_field: impl Into<String>,
+		select_fields: Option<Vec<&str>>,
+	) -> Self {
+		let mut builder = Self::new(resource)
+			.with_search(meta.search.as_deref(), &search_field.into())
+			.with_filter(meta.filter_by.as_deref(), meta.filter.as_deref())
+			.with_sorting(meta.sort_by.as_deref(), meta.order.as_deref())
+			.with_pagination(meta.page, meta.per_page);
+
+		if let Some(fields) = select_fields {
+			builder = builder.with_select_fields(fields);
+		}
+		builder
+	}
+
+	pub fn new(resource: impl Into<String>) -> Self {
+		Self {
+			resource: resource.into(),
+			conditions: vec!["is_deleted = false".into()],
+			limit: 10,
+			start: 0,
+			order_by: None,
+			order: None,
+			fetch: vec![],
+			select_fields: vec![],
+		}
+	}
+
+	pub fn with_select_fields(mut self, fields: Vec<&str>) -> Self {
+		self.select_fields = fields.into_iter().map(String::from).collect();
+		self
+	}
+
+	pub fn with_search(mut self, search: Option<&str>, field: &str) -> Self {
+		if let Some(search) = search {
+			if !search.is_empty() {
+				self
+					.conditions
+					.push(format!("string::contains({} ?? '', $search)", field));
+			}
+		}
+		self
+	}
+
+	pub fn with_filter(mut self, field: Option<&str>, value: Option<&str>) -> Self {
+		if let (Some(f), Some(v)) = (field, value) {
+			if !v.is_empty() {
+				self.conditions.push(format!("{} = $filter", f));
+			}
+		}
+		self
+	}
+
+	pub fn with_pagination(
+		mut self,
+		page: Option<u64>,
+		per_page: Option<u64>,
+	) -> Self {
+		let limit = per_page.unwrap_or(10).max(1);
+		let page = page.unwrap_or(1).max(1);
+		self.limit = limit as usize;
+		self.start = ((page - 1) * limit) as usize;
+		self
+	}
+
+	pub fn with_sorting(mut self, sort_by: Option<&str>, order: Option<&str>) -> Self {
+		self.order_by = sort_by.map(|s| s.to_string());
+		self.order = order.map(|o| o.to_uppercase());
+		self
+	}
+
+	pub fn with_fetch(mut self, fetch: impl Into<String>) -> Self {
+		self.fetch.push(fetch.into());
+		self
+	}
+
+	pub fn build(self) -> String {
+		let where_clause = if !self.conditions.is_empty() {
+			format!("WHERE {}", self.conditions.join(" AND "))
+		} else {
+			String::new()
+		};
+
+		let order_clause = if let Some(field) = self.order_by {
+			let ord = self.order.unwrap_or_else(|| "ASC".into());
+			format!("ORDER BY {} {}", field, ord)
+		} else {
+			String::new()
+		};
+
+		let fetch_clause = if !self.fetch.is_empty() {
+			format!("FETCH {}", self.fetch.join(", "))
+		} else {
+			String::new()
+		};
+
+		let select_clause = if self.select_fields.is_empty() {
+			"*".to_string()
+		} else {
+			self.select_fields.join(", ")
+		};
+
+		format!(
+			r#"
+	      SELECT {} FROM {}
+	      {}
+	      {}
+	      LIMIT {} START {}
+	      {}
+	   "#,
+			select_clause,
+			self.resource,
+			where_clause,
+			order_clause,
+			self.limit,
+			self.start,
+			fetch_clause
+		)
+	}
+}

imphnen-utils/src/query_list.rs

@@ -1,8 +1,8 @@
-use super::bind_filter_value;
+use super::{ListQueryBuilder, bind_filter_value};
 use crate::{CountResult, MetaRequestDto, MetaResponseDto, ResponseListSuccessDto};
-use anyhow::{bail, Result};
-use serde::{de::DeserializeOwned, Serialize};
-use surrealdb::{engine::remote::ws::Client, Surreal};
+use anyhow::Result;
+use serde::{Serialize, de::DeserializeOwned};
+use surrealdb::{Surreal, engine::remote::ws::Client};
 
 pub async fn query_list_with_meta<T>(
 	db: &Surreal<Client>,
@@ -10,75 +10,61 @@ pub async fn query_list_with_meta<T>(
 	meta: &MetaRequestDto,
 	conditions: Vec<String>,
 	custom_select: Option<String>,
+	search_field: &str,
+	select_fields: Option<Vec<&str>>,
 ) -> Result<ResponseListSuccessDto<Vec<T>>>
 where
 	T: DeserializeOwned + Serialize,
 {
-	let page = meta.page.unwrap_or(1);
-	let per_page = meta.per_page.unwrap_or(10);
-	if page < 1 || per_page < 1 {
-		bail!("Invalid pagination: page and per_page must be greater than 0");
-	}
+	let page = meta.page.unwrap_or(1).max(1);
+	let per_page = meta.per_page.unwrap_or(10).max(1);
 	let start = (page - 1) * per_page;
+
 	let sql = custom_select.unwrap_or_else(|| {
-		let mut s = format!("SELECT * FROM {}", table);
-		if !conditions.is_empty() {
-			s.push_str(" WHERE ");
-			s.push_str(&conditions.join(" AND "));
-		}
-		if let Some(sort_by) = &meta.sort_by {
-			let order = match meta
-				.order
-				.clone()
-				.unwrap_or_default()
-				.to_uppercase()
-				.as_str()
-			{
-				"DESC" => "DESC",
-				_ => "ASC",
-			};
-			s.push_str(&format!(" ORDER BY {} {}", sort_by, order));
-		}
-		s.push_str(" LIMIT $per_page START $start");
-		s
+		ListQueryBuilder::from_meta(table, meta, search_field, select_fields).build()
 	});
+
 	let mut query_exec = db.query(sql);
 	if let Some(search) = &meta.search {
 		if !search.is_empty() {
 			query_exec = query_exec.bind(("search", search.clone()));
 		}
 	}
-	if let Some(filter_val) = meta.filter.clone() {
-		query_exec = bind_filter_value(query_exec, filter_val);
+	if let Some(filter_val) = &meta.filter {
+		query_exec = bind_filter_value(query_exec, filter_val.clone());
 	}
 	query_exec = query_exec
 		.bind(("per_page", per_page))
 		.bind(("start", start));
+
 	let raw: Vec<T> = query_exec.await?.take(0)?;
-	let mut count_sql = format!("SELECT count() FROM {}", table);
-	if !conditions.is_empty() {
-		count_sql.push_str(" WHERE ");
-		count_sql.push_str(&conditions.join(" AND "));
-	}
-	let mut count_query = db.query(count_sql);
+
+	let mut count_query = db.query(format!(
+		"SELECT count() FROM {} {}",
+		table,
+		if conditions.is_empty() {
+			String::new()
+		} else {
+			format!("WHERE {}", conditions.join(" AND "))
+		}
+	));
 	if let Some(search) = &meta.search {
 		if !search.is_empty() {
 			count_query = count_query.bind(("search", search.clone()));
 		}
 	}
-	if let Some(filter_val) = meta.filter.clone() {
-		count_query = bind_filter_value(count_query, filter_val);
+	if let Some(filter_val) = &meta.filter {
+		count_query = bind_filter_value(count_query, filter_val.clone());
 	}
 	let count_result: Vec<CountResult> = count_query.await?.take(0)?;
 	let total = count_result.first().map(|c| c.count);
 
-	let meta = MetaResponseDto {
-		page: Some(page),
-		per_page: Some(per_page),
-		total,
-	};
 	Ok(ResponseListSuccessDto {
 		data: raw,
-		meta: Some(meta),
+		meta: Some(MetaResponseDto {
+			page: Some(page),
+			per_page: Some(per_page),
+			total,
+		}),
 	})
 }