zero4rs 2.0.0

zero4rs is a powerful, pragmatic, and extremely fast web framework for Rust
Documentation 
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use anyhow::Context;
use tera::Tera;

use crate::core::error2::Result;
use crate::core::mysql::MysqlClient;

pub fn create_pool(settings: &crate::core::mysql::MysqlSettings) -> Result<MysqlClient> {
    let _mapper_location = &settings.mappers.as_deref().unwrap_or_default();

    let mut c = MysqlClient {
        pool: settings.connect(),
        tera: get_tera(_mapper_location).map_err(|e| anyhow::anyhow!(e))?,
    };

    c.init_sql_bind_filter();

    Ok(c)
}

fn get_tera(_mapper_location: &str) -> std::result::Result<Tera, anyhow::Error> {
    let mapper_location =
        std::path::PathBuf::from(crate::commons::service_home()).join(_mapper_location);

    let mappers_files = crate::commons::list_all_files(mapper_location.to_str().unwrap(), "yaml")
        .context(format!(
        "list-mysql-mapper-file-error={:?}",
        mapper_location.to_str().unwrap()
    ))?;

    let mut t = Tera::default();

    for file in mappers_files {
        let map_data: serde_json::Map<String, serde_json::Value> = match serde_any::from_file(&file)
        {
            Ok(map) => map,
            Err(e) => {
                log::error!(
                    "Mysql-Load-Mapper-YAML-Error: path={}, error={:?}",
                    &file.to_str().unwrap(),
                    e
                );
                serde_json::Map::new()
            }
        };

        for (key, value) in map_data {
            // 获取文件名去掉扩展名
            let stem = file
                .file_stem()
                .and_then(|s| s.to_str())
                .unwrap_or_default();

            let path_str = file.to_str().unwrap_or_default();
            let file_path = path_str.replace(&format!("{}/", crate::commons::service_home()), "");
            let template_name = format!("{}_{}", stem, key);
            let template_str = value.as_str().unwrap_or_default();

            t.add_raw_template(&template_name, template_str)?;

            log::debug!(
                "mysql-mappers={:?}, template_name={}, template_str={}",
                file_path,
                template_name,
                template_str.replace("\n", "").replace("  ", "")
            );
        }
    }

    // let t = Tera::new(_mapper_location).map_err(|e| anyhow::anyhow!(e))?;

    Ok(t)
}