rewrite generator entirely, again

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 [dependencies]
 clap = { version = "4.5.32", features = ["derive", "env"] }
 color-eyre = "0.6.3"
+comfy-table = { version = "7.1.4", default-features = false }
 comment-parser = "0.1.0"
 figment = { version = "0.10.19", features = ["yaml"] }
 handlebars = "6.3.2"
@@ -13,7 +14,6 @@ heck = "0.5.0"
 include_dir = "0.7.4"
 indicatif = "0.17.11"
 inquire = "0.7.5"
-prettytable = "0.10.0"
 quote = "1.0.40"
 sea-orm-codegen = "1.1.8"
 sea-schema = { version = "0.16.1", features = ["sqlx-all"] }

src/config.rs.old

@@ -5,7 +5,7 @@ use sea_orm_codegen::{
     DateTimeCrate as CodegenDateTimeCrate, EntityWriterContext, WithPrelude, WithSerde,
 };
 use serde::{Deserialize, Deserializer, Serialize};
-use serde_yaml::Value;
+use serde_yaml::{Mapping, Value};
 use tracing::instrument;
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -104,12 +104,34 @@ pub struct Config {
     pub db: DbConfig,
     pub sea_orm: SeaOrmConfig,
     pub output: OutputConfig,
-    pub templates: TemplateConfig,
+    pub templates: Option<Mapping>,
+    pub templates_dir: Option<PathBuf>,
 }
 
 #[derive(Deserialize, Serialize, Debug, Clone)]
 pub struct OutputConfig {
     pub path: PathBuf,
+    pub models: OutputModelConfig,
+}
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct OutputCommentConfig {
+    pub enable: bool,
+    pub max_width: Option<u16>,
+    pub table_name: bool,
+    pub column_info: bool,
+    pub column_name: bool,
+    pub column_db_type: bool,
+    pub column_rust_type: bool,
+    pub column_attributes: bool,
+    pub column_exclude_attributes: Vec<String>,
+}
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct OutputModelConfig {
+    pub prelude: bool,
+    pub path: PathBuf,
+    pub comment: OutputCommentConfig,
+    pub entities: String,
 }
 
 #[derive(Deserialize, Serialize, Debug, Clone)]
@@ -246,9 +268,26 @@ impl Default for Config {
                 },
             },
             output: OutputConfig {
-                path: PathBuf::from("./entities"),
+                path: PathBuf::from("./src/"),
+                models: OutputModelConfig {
+                    comment: OutputCommentConfig {
+                        max_width: None,
+                        table_name: true,
+                        column_name: true,
+                        column_db_type: true,
+                        column_rust_type: true,
+                        column_attributes: true,
+                        column_exclude_attributes: Vec::new(),
+                        enable: true,
+                        column_info: true,
                     },
-            templates: TemplateConfig { model: None },
+                    entities: String::from("_entities"),
+                    prelude: true,
+                    path: PathBuf::from("./models"),
+                },
+            },
+            templates: None,
+            templates_dir: None,
         }
     }
 }

src/config/db.rs

@@ -0,0 +1,8 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct DbConfig {
+    pub database_schema: Option<String>,
+    pub max_connections: u32,
+    pub acquire_timeout: u64,
+}

src/config/mod.rs

@@ -0,0 +1,86 @@
+pub mod db;
+pub mod output;
+pub mod sea_orm_config;
+pub mod template;
+
+use std::path::PathBuf;
+
+use db::DbConfig;
+use output::{OutputCommentConfig, OutputConfig, OutputModelConfig};
+use sea_orm_config::{
+    DateTimeCrate, EntityFormat, Prelude, SeaOrmConfig, SeaOrmEntityConfig,
+    SeaOrmExtraAttributesConfig, SeaOrmExtraDerivesConfig, SeaOrmSerdeConfig, SeaOrmTableConfig,
+    SerdeEnable,
+};
+use serde::{Deserialize, Serialize};
+use serde_yaml::Mapping;
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct Config {
+    pub db: DbConfig,
+    pub sea_orm: SeaOrmConfig,
+    pub output: OutputConfig,
+    pub templates: Option<Mapping>,
+    pub templates_dir: Option<PathBuf>,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            db: DbConfig {
+                database_schema: None,
+                max_connections: 10,
+                acquire_timeout: 5,
+            },
+            sea_orm: SeaOrmConfig {
+                prelude: Prelude::Enabled,
+                serde: SeaOrmSerdeConfig {
+                    enable: SerdeEnable::None,
+                    skip_deserializing_primary_key: false,
+                    skip_hidden_column: false,
+                },
+                entity: SeaOrmEntityConfig {
+                    format: EntityFormat::Compact,
+                    tables: SeaOrmTableConfig {
+                        include_hidden: false,
+                        skip_seaql_migrations: true,
+                        table_config: None,
+                    },
+                    extra_derives: SeaOrmExtraDerivesConfig {
+                        model: Vec::new(),
+                        eenum: Vec::new(),
+                    },
+                    extra_attributes: SeaOrmExtraAttributesConfig {
+                        model: Vec::new(),
+                        eenum: Vec::new(),
+                    },
+                    date_time_crate: DateTimeCrate::Chrono,
+                    with_copy_enums: false,
+                },
+            },
+            output: OutputConfig {
+                path: PathBuf::from("./src/"),
+                models: OutputModelConfig {
+                    comment: OutputCommentConfig {
+                        max_width: None,
+                        table_name: true,
+                        column_name: true,
+                        column_db_type: true,
+                        column_rust_type: true,
+                        column_attributes: true,
+                        column_exclude_attributes: Vec::new(),
+                        enable: true,
+                        column_info: true,
+                        ignore_errors: false,
+                    },
+                    enable: true,
+                    entities: String::from("_entities"),
+                    prelude: true,
+                    path: PathBuf::from("./models"),
+                },
+            },
+            templates: None,
+            templates_dir: None,
+        }
+    }
+}

src/config/output.rs

@@ -0,0 +1,32 @@
+use std::path::PathBuf;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct OutputConfig {
+    pub path: PathBuf,
+    pub models: OutputModelConfig,
+}
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct OutputModelConfig {
+    pub prelude: bool,
+    pub enable: bool,
+    pub path: PathBuf,
+    pub comment: OutputCommentConfig,
+    pub entities: String,
+}
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct OutputCommentConfig {
+    pub enable: bool,
+    pub max_width: Option<u16>,
+    pub table_name: bool,
+    pub column_info: bool,
+    pub column_name: bool,
+    pub column_db_type: bool,
+    pub column_rust_type: bool,
+    pub column_attributes: bool,
+    pub column_exclude_attributes: Vec<String>,
+    pub ignore_errors: bool,
+}

src/config/sea_orm_config.rs

@@ -0,0 +1,233 @@
+use serde::{Deserialize, Deserializer, Serialize};
+use serde_yaml::Value;
+
+use sea_orm_codegen::{
+    DateTimeCrate as CodegenDateTimeCrate, EntityWriterContext, WithPrelude, WithSerde,
+};
+
+use super::Config;
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum EntityFormat {
+    Expanded,
+    Compact,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+#[serde(untagged)]
+pub enum TableConfig {
+    Specific { specific: Vec<String> },
+    Exclude { exclude: Vec<String> },
+}
+
+#[derive(Debug, Clone)]
+pub enum SerdeEnable {
+    Both,
+    Serialize,
+    Deserialize,
+    None,
+}
+
+#[derive(Debug, Clone)]
+pub enum Prelude {
+    Enabled,
+    Disabled,
+    AllowUnusedImports,
+}
+
+impl<'de> Deserialize<'de> for SerdeEnable {
+    fn deserialize<D>(deserializer: D) -> Result<SerdeEnable, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let value = Value::deserialize(deserializer)?;
+
+        match value {
+            Value::String(s) if s == "serialize" => Ok(SerdeEnable::Serialize),
+            Value::String(s) if s == "deserialize" => Ok(SerdeEnable::Deserialize),
+            Value::Bool(true) => Ok(SerdeEnable::Both),
+            Value::Bool(false) => Ok(SerdeEnable::None),
+            _ => Err(serde::de::Error::custom(
+                "expected 'serialize', 'deserialize', 'true' or 'false'",
+            )),
+        }
+    }
+}
+impl Serialize for SerdeEnable {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        match self {
+            SerdeEnable::Both => serializer.serialize_bool(true),
+            SerdeEnable::Serialize => serializer.serialize_str("serialize"),
+            SerdeEnable::Deserialize => serializer.serialize_str("deserialize"),
+            SerdeEnable::None => serializer.serialize_bool(false),
+        }
+    }
+}
+impl<'de> Deserialize<'de> for Prelude {
+    fn deserialize<D>(deserializer: D) -> Result<Prelude, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let value = Value::deserialize(deserializer)?;
+
+        match value {
+            Value::Bool(true) => Ok(Prelude::Enabled),
+            Value::Bool(false) => Ok(Prelude::Disabled),
+            Value::String(s) if s == "allow_unused_imports" => Ok(Prelude::AllowUnusedImports),
+            _ => Err(serde::de::Error::custom(
+                "expected 'true', 'false', or 'allow_unused_imports'",
+            )),
+        }
+    }
+}
+impl Serialize for Prelude {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        match self {
+            Prelude::Enabled => serializer.serialize_bool(true),
+            Prelude::Disabled => serializer.serialize_bool(false),
+            Prelude::AllowUnusedImports => serializer.serialize_str("allow_unused_imports"),
+        }
+    }
+}
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct SeaOrmConfig {
+    pub prelude: Prelude,
+    pub serde: SeaOrmSerdeConfig,
+    pub entity: SeaOrmEntityConfig,
+}
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct SeaOrmSerdeConfig {
+    pub enable: SerdeEnable,
+    pub skip_deserializing_primary_key: bool,
+    pub skip_hidden_column: bool,
+}
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct SeaOrmEntityConfig {
+    pub format: EntityFormat,
+    pub tables: SeaOrmTableConfig,
+    pub extra_derives: SeaOrmExtraDerivesConfig,
+    pub extra_attributes: SeaOrmExtraAttributesConfig,
+    pub date_time_crate: DateTimeCrate,
+    pub with_copy_enums: bool,
+}
+
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct SeaOrmTableConfig {
+    pub include_hidden: bool,
+    pub skip_seaql_migrations: bool,
+    #[serde(flatten)]
+    pub table_config: Option<TableConfig>,
+}
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct SeaOrmExtraDerivesConfig {
+    pub model: Vec<String>,
+    #[serde(rename = "enum")]
+    pub eenum: Vec<String>,
+}
+#[derive(Deserialize, Serialize, Debug, Clone)]
+pub struct SeaOrmExtraAttributesConfig {
+    pub model: Vec<String>,
+    #[serde(rename = "enum")]
+    pub eenum: Vec<String>,
+}
+#[derive(Deserialize, Serialize, Debug, Clone)]
+#[serde(rename_all = "lowercase")]
+pub enum DateTimeCrate {
+    Time,
+    Chrono,
+}
+
+impl From<DateTimeCrate> for CodegenDateTimeCrate {
+    fn from(date_time_crate: DateTimeCrate) -> CodegenDateTimeCrate {
+        match date_time_crate {
+            DateTimeCrate::Chrono => CodegenDateTimeCrate::Chrono,
+            DateTimeCrate::Time => CodegenDateTimeCrate::Time,
+        }
+    }
+}
+
+impl SeaOrmTableConfig {
+    pub fn get_filter(&self) -> Box<dyn Fn(&String) -> bool> {
+        let include_hidden = self.include_hidden;
+        if let Some(table) = &self.table_config {
+            match table {
+                TableConfig::Specific { specific } => {
+                    let specific = specific.clone();
+                    Box::new(move |table: &String| {
+                        (include_hidden || !table.starts_with('_')) && specific.contains(table)
+                    })
+                }
+                TableConfig::Exclude { exclude } => {
+                    let exclude = exclude.clone();
+                    Box::new(move |table: &String| {
+                        (include_hidden || !table.starts_with('_')) && !exclude.contains(table)
+                    })
+                }
+            }
+        } else if self.skip_seaql_migrations {
+            Box::new(move |table: &String| {
+                (include_hidden || !table.starts_with('_'))
+                    && !table.starts_with("seaql_migrations")
+            })
+        } else {
+            Box::new(move |table: &String| (include_hidden || !table.starts_with('_')))
+        }
+    }
+}
+
+impl EntityFormat {
+    pub fn is_expanded(&self) -> bool {
+        matches!(self, EntityFormat::Expanded)
+    }
+}
+impl From<Prelude> for WithPrelude {
+    fn from(val: Prelude) -> Self {
+        match val {
+            Prelude::Enabled => WithPrelude::All,
+
+            Prelude::Disabled => WithPrelude::None,
+            Prelude::AllowUnusedImports => WithPrelude::AllAllowUnusedImports,
+        }
+    }
+}
+impl From<SerdeEnable> for WithSerde {
+    fn from(val: SerdeEnable) -> Self {
+        match val {
+            SerdeEnable::Both => WithSerde::Both,
+            SerdeEnable::Serialize => WithSerde::Serialize,
+            SerdeEnable::Deserialize => WithSerde::Deserialize,
+            SerdeEnable::None => WithSerde::None,
+        }
+    }
+}
+
+impl From<Config> for EntityWriterContext {
+    fn from(val: Config) -> Self {
+        EntityWriterContext::new(
+            val.sea_orm.entity.format.is_expanded(),
+            val.sea_orm.prelude.into(),
+            val.sea_orm.serde.enable.into(),
+            val.sea_orm.entity.with_copy_enums,
+            val.sea_orm.entity.date_time_crate.into(),
+            val.db.database_schema,
+            false,
+            val.sea_orm.serde.skip_deserializing_primary_key,
+            val.sea_orm.serde.skip_hidden_column,
+            val.sea_orm.entity.extra_derives.model,
+            val.sea_orm.entity.extra_attributes.model,
+            val.sea_orm.entity.extra_derives.eenum,
+            val.sea_orm.entity.extra_attributes.eenum,
+            false,
+            false,
+        )
+    }
+}

src/config/template.rs

@@ -0,0 +1 @@
+

src/generator/column.rs

@@ -1,32 +0,0 @@
-use color_eyre::{eyre::ContextCompat, Result};
-use sea_schema::sea_query::{ColumnDef, ColumnSpec, ColumnType, IndexCreateStatement};
-#[derive(Clone, Debug)]
-pub struct Column {
-    pub name: String,
-    pub col_type: ColumnType,
-    pub attrs: Vec<ColumnSpec>,
-}
-
-impl Column {
-    pub fn new(column: ColumnDef, index: Option<IndexCreateStatement>) -> Result<Self> {
-        let name = column.get_column_name();
-        let col_type = column
-            .get_column_type()
-            .context("Unable to get column type")?
-            .clone();
-        let mut attrs = column.get_column_spec().clone();
-        if let Some(index) = index {
-            if index.is_unique_key() {
-                attrs.push(ColumnSpec::UniqueKey)
-            }
-            if index.is_primary_key() {
-                attrs.push(ColumnSpec::PrimaryKey);
-            }
-        }
-        Ok(Column {
-            name: name.to_string(),
-            col_type,
-            attrs: attrs.to_vec(),
-        })
-    }
-}

src/generator/file.rs

@@ -1,95 +1,38 @@
-use std::path::PathBuf;
-
-use crate::config::Config;
-
-use super::table::Table;
 use color_eyre::Result;
-use handlebars::Handlebars;
+use std::{collections::HashMap, path::PathBuf};
-use prettytable::{format, row, Table as PTable};
-use sea_orm_codegen::OutputFile;
-use serde::Serialize;
-use tokio::fs;
-const HEADER: &str = r#"== Schema Information"#;
-const COMMENTHEAD: &str = r#"/*"#;
-const COMMENTBODY: &str = r#" *"#;
-const COMMENTTAIL: &str = r#"*/"#;
 
 #[derive(Debug, Clone)]
-pub struct FileGenerator {
+pub struct GeneratedFileChunk {
-    filename: String,
+    pub path: PathBuf,
-    table: Table,
+    pub content: String,
-}
+    pub priority: i32,
-#[derive(Debug, Clone, Serialize)]
-pub struct FileContext {
-    has_prelude: bool,
-    prelude: String,
 }
 
-impl FileGenerator {
+#[derive(Debug, Clone)]
-    pub fn new(table: Table) -> Result<FileGenerator> {
+pub struct GeneratedFile {
-        let filename = format!("{}.rs", table.name);
+    pub path: PathBuf,
-        Ok(FileGenerator { table, filename })
+    pub content: String,
-    }
+}
-    pub async fn build_file<'a>(
+
-        &self,
+pub fn combine_chunks(chunks: Vec<GeneratedFileChunk>) -> Result<Vec<GeneratedFile>> {
-        config: &Config,
+    let mut table: HashMap<PathBuf, Vec<GeneratedFileChunk>> = HashMap::new();
-        handlebars: &'a Handlebars<'a>,
+    for chunk in chunks {
-    ) -> Result<OutputFile> {
+        let path = chunk.path.clone();
-        let filepath = config.output.path.join(&self.filename);
+        if let Some(v) = table.get_mut(&path) {
-        Ok(OutputFile {
+            v.push(chunk);
-            name: filepath.to_str().unwrap().to_string(),
+        } else {
-            content: self.generate_file(config, handlebars).await?,
+            table.insert(path, vec![chunk]);
-        })
+        }
-    }
+    }
-    pub async fn generate_file<'a>(
+
-        &self,
+    let mut files = Vec::new();
-        config: &Config,
+    for (path, mut chunks) in table {
-        handlebars: &'a Handlebars<'a>,
+        chunks.sort_by(|a, b| a.priority.cmp(&b.priority));
-    ) -> Result<String> {
+        let mut content = String::new();
-        let filepath = config.output.path.join(&self.filename);
+        for chunk in chunks {
-        let file_context = FileContext {
+            content.push_str(&chunk.content);
-            has_prelude: false,
+        }
-            prelude: String::new(),
+        files.push(GeneratedFile { path, content });
-        };
+    }
-        let generated_header = self.generate_header(config).await?;
+    Ok(files)
-        if filepath.exists() {
-            let mut file_content = fs::read_to_string(filepath).await?;
-            Ok(file_content)
-        } else {
-            let content = handlebars.render("model", &file_context)?;
-            Ok(format!("{}{}", generated_header, content))
-        }
-    }
-    pub async fn generate_header(&self, config: &Config) -> Result<String> {
-        let mut column_info_table = PTable::new();
-        let format = format::FormatBuilder::new()
-            .column_separator(' ')
-            .borders(' ')
-            .separators(
-                &[
-                    format::LinePosition::Bottom,
-                    format::LinePosition::Title,
-                    // format::LinePosition::Top,
-                ],
-                format::LineSeparator::default(),
-            )
-            .padding(1, 1)
-            .build();
-        column_info_table.set_format(format);
-        column_info_table.set_titles(row!["Name", "Type", "RustType", "Attributes"]);
-        // let indexes = table.get_indexes();
-        // tracing::info!(?indexes);
-        // for column in table.get_columns() {
-        //     let name = column.get_column_name();
-        //     if let Some(column_type) = column.get_column_type() {
-        //         let column_type_rust =
-        //             type_to_rust_string(column_type, config.sea_orm.entity.date_time_crate.clone());
-        //         let column_type =
-        //             type_to_string(column_type, config.sea_orm.entity.date_time_crate.clone());
-        //         let attrs = attrs_to_string(column.get_column_spec());
-        //         ptable.add_row(row![name, column_type, column_type_rust, attrs]);
-        //     }
-        // }
-        Ok(String::new())
-    }
 }

src/generator/mod.rs

@@ -1,42 +1,82 @@
-pub mod column;
+use file::{GeneratedFile, GeneratedFileChunk};
-pub mod discover;
+
+// pub mod column;
+// pub mod discover;
 pub mod file;
-pub mod table;
+pub mod models;
-
+// pub mod table;
-use core::time;
+//
-
+// use core::time;
-use crate::{config::DateTimeCrate, Config};
+//
+// use crate::{config::DateTimeCrate, Config};
 use color_eyre::{
     eyre::{eyre, ContextCompat, Report},
     Result,
 };
-use comment_parser::{CommentParser, Event};
 use handlebars::Handlebars;
-use prettytable::{format, row};
+use models::ModelConfig;
-use sea_orm_codegen::OutputFile;
-use sea_schema::sea_query::{self, ColumnSpec, ColumnType, StringLen, TableCreateStatement};
-use table::Table;
-use tokio::{fs, task::JoinSet};
-use url::Url;
 
-pub async fn update_files<'a>(
+use crate::config::Config;
-    tables: Vec<TableCreateStatement>,
+// use comment_parser::{CommentParser, Event};
-    config: Config,
+// use discover::DbType;
+// use handlebars::Handlebars;
+// use sea_orm_codegen::OutputFile;
+// use sea_schema::sea_query::{self, ColumnSpec, ColumnType, StringLen, TableCreateStatement};
+// use table::Table;
+// use tokio::{fs, task::JoinSet};
+// use url::Url;
+
+pub async fn generate<'a>(
+    database_url: &str,
+    config: &Config,
     handlebars: &'a Handlebars<'a>,
-) -> Result<Vec<OutputFile>> {
+) -> Result<Vec<GeneratedFileChunk>> {
-    let tables = tables
-        .into_iter()
-        .map(|table| Table::new(table.clone(), config.clone()))
-        .collect::<Result<Vec<Table>>>()?;
     let mut files = Vec::new();
-    for table in tables {
+    let model_outputs = models::generate_models(database_url, config, handlebars).await?;
-        let comment = file::FileGenerator::new(table)?;
+    files.extend(model_outputs);
-        let file = comment.build_file(&config, &handlebars).await?;
+    Ok(files)
-        files.push(file);
-    }
-    Ok(Vec::new())
 }
 
+// pub async fn update_files<'a>(
+//     tables: Vec<TableCreateStatement>,
+//     config: Config,
+//     handlebars: &'a Handlebars<'a>,
+//     db_type: DbType,
+// ) -> Result<Vec<OutputFile>> {
+//     let mut files = Vec::new();
+//     let entities_path = &config.output.models.entities.replace("/", "::");
+//     let entities_path_split = entities_path.split("::").collect::<Vec<&str>>();
+//
+//     let mut mod_file_content = String::new();
+//     mod_file_content
+//         .push_str(format!("pub mod {};\n", entities_path_split.first().unwrap_or(&"")).as_str());
+//     for table in tables {
+//         mod_file_content.push_str(format!("pub mod {};\n", table.name).as_str());
+//         let entities_path = format!("super::{}", entities_path);
+//         let comment = file::FileGenerator::new(table, entities_path)?;
+//         let file = comment.build_file(&config, handlebars, &db_type).await?;
+//         tracing::info!(?file.name, file.content.len = file.content.len());
+//         files.push(file);
+//     }
+//     if entities_path_split.len() > 1 {
+//         for index in 0..entities_path_split.len() - 1 {
+//             let entity = entities_path_split[index];
+//             let next = entities_path_split[index + 1];
+//             files.push(OutputFile {
+//                 name: format!("{}/mod.rs", entity),
+//                 content: format!("pub mod {};\n", next),
+//             });
+//         }
+//     }
+//
+//     files.push(OutputFile {
+//         name: "mod.rs".to_string(),
+//         content: mod_file_content,
+//     });
+//
+//     Ok(files)
+// }
+//
 // pub async fn generate_models(
 //     tables: Vec<TableCreateStatement>,
 //     config: Config,

src/generator/models/column.rs

@@ -0,0 +1,236 @@
+use color_eyre::{eyre::ContextCompat, Result};
+use comfy_table::Cell;
+use heck::ToUpperCamelCase;
+use sea_schema::sea_query::{ColumnDef, ColumnSpec, ColumnType, IndexCreateStatement};
+
+use crate::config::{sea_orm_config::DateTimeCrate, Config};
+
+use super::{discover::DbType, ModelConfig};
+#[derive(Clone, Debug)]
+pub struct Column {
+    pub name: String,
+    pub col_type: ColumnType,
+    pub attrs: Vec<ColumnSpec>,
+}
+
+impl Column {
+    pub fn new(column: ColumnDef, index: Option<IndexCreateStatement>) -> Result<Self> {
+        let name = column.get_column_name();
+        let col_type = column
+            .get_column_type()
+            .context("Unable to get column type")?
+            .clone();
+        let mut attrs = column.get_column_spec().clone();
+        if let Some(index) = index {
+            if index.is_unique_key() {
+                attrs.push(ColumnSpec::UniqueKey)
+            }
+            if index.is_primary_key() {
+                attrs.push(ColumnSpec::PrimaryKey);
+            }
+        }
+        Ok(Column {
+            name: name.to_string(),
+            col_type,
+            attrs: attrs.to_vec(),
+        })
+    }
+    pub fn get_info_row(&self, config: &ModelConfig) -> Result<Vec<Cell>> {
+        let column_type_rust = self.get_rs_type(&config.comment.date_time_crate);
+        let column_type = self.get_db_type(&config.db_type);
+        let attrs = self.attrs_to_string();
+        let mut cols = Vec::new();
+        if config.comment.column_name {
+            cols.push(Cell::new(self.name.clone()))
+        }
+        if config.comment.column_name {
+            cols.push(Cell::new(column_type.clone()))
+        }
+        if config.comment.column_rust_type {
+            cols.push(Cell::new(column_type_rust.clone()))
+        }
+        if config.comment.column_attributes {
+            cols.push(Cell::new(attrs.clone()));
+        }
+        Ok(cols)
+    }
+    pub fn attrs_to_string(&self) -> String {
+        self.attrs
+            .iter()
+            .filter_map(Self::get_addr_type)
+            .map(|s| s.to_string())
+            .collect::<Vec<String>>()
+            .join(", ")
+    }
+    pub fn get_addr_type(attr: &ColumnSpec) -> Option<String> {
+        match attr {
+            ColumnSpec::PrimaryKey => Some("primary key".to_owned()),
+            ColumnSpec::Null => todo!(),
+            ColumnSpec::NotNull => Some("not null".to_owned()),
+            ColumnSpec::Default(simple_expr) => todo!(),
+            ColumnSpec::AutoIncrement => Some("autoincrement".to_owned()),
+            ColumnSpec::UniqueKey => Some("unique key".to_owned()),
+            ColumnSpec::Check(simple_expr) => todo!(),
+            ColumnSpec::Generated { expr, stored } => todo!(),
+            ColumnSpec::Extra(_) => todo!(),
+            ColumnSpec::Comment(_) => todo!(),
+        }
+    }
+    pub fn get_db_type(&self, db_type: &DbType) -> String {
+        fn write_db_type(col_type: &ColumnType, db_type: &DbType) -> String {
+            #[allow(unreachable_patterns)]
+            match (col_type, db_type) {
+                (ColumnType::Char(_), _) => "char".to_owned(),
+                (ColumnType::String(_), _) => "varchar".to_owned(),
+                (ColumnType::Text, _) => "text".to_owned(),
+                (ColumnType::TinyInteger, DbType::MySql | DbType::Sqlite) => "tinyint".to_owned(),
+                (ColumnType::TinyInteger, DbType::Postgres) => "smallint".to_owned(),
+                (ColumnType::SmallInteger, _) => "smallint".to_owned(),
+                (ColumnType::Integer, DbType::MySql) => "int".to_owned(),
+                (ColumnType::Integer, _) => "integer".to_owned(),
+                (ColumnType::BigInteger, DbType::MySql | DbType::Postgres) => "bigint".to_owned(),
+                (ColumnType::BigInteger, DbType::Sqlite) => "integer".to_owned(),
+                (ColumnType::TinyUnsigned, DbType::MySql) => "tinyint unsigned".to_owned(),
+                (ColumnType::TinyUnsigned, DbType::Postgres) => "smallint".to_owned(),
+                (ColumnType::TinyUnsigned, DbType::Sqlite) => "tinyint".to_owned(),
+                (ColumnType::SmallUnsigned, DbType::MySql) => "smallint unsigned".to_owned(),
+                (ColumnType::SmallUnsigned, DbType::Postgres | DbType::Sqlite) => {
+                    "smallint".to_owned()
+                }
+                (ColumnType::Unsigned, DbType::MySql) => "int unsigned".to_owned(),
+                (ColumnType::Unsigned, DbType::Postgres | DbType::Sqlite) => "integer".to_owned(),
+                (ColumnType::BigUnsigned, DbType::MySql) => "bigint unsigned".to_owned(),
+                (ColumnType::BigUnsigned, DbType::Postgres) => "bigint".to_owned(),
+                (ColumnType::BigUnsigned, DbType::Sqlite) => "integer".to_owned(),
+                (ColumnType::Float, DbType::MySql | DbType::Sqlite) => "float".to_owned(),
+                (ColumnType::Float, DbType::Postgres) => "real".to_owned(),
+                (ColumnType::Double, DbType::MySql | DbType::Sqlite) => "double".to_owned(),
+                (ColumnType::Double, DbType::Postgres) => "double precision".to_owned(),
+                (ColumnType::Decimal(_), DbType::MySql | DbType::Postgres) => "decimal".to_owned(),
+                (ColumnType::Decimal(_), DbType::Sqlite) => "real".to_owned(),
+                (ColumnType::DateTime, DbType::MySql) => "datetime".to_owned(),
+                (ColumnType::DateTime, DbType::Postgres) => "timestamp w/o tz".to_owned(),
+                (ColumnType::DateTime, DbType::Sqlite) => "datetime_text".to_owned(),
+                (ColumnType::Timestamp, DbType::MySql | DbType::Postgres) => "timestamp".to_owned(),
+                (ColumnType::Timestamp, DbType::Sqlite) => "timestamp_text".to_owned(),
+                (ColumnType::TimestampWithTimeZone, DbType::MySql) => "timestamp".to_owned(),
+                (ColumnType::TimestampWithTimeZone, DbType::Postgres) => {
+                    "timestamp w tz".to_owned()
+                }
+                (ColumnType::TimestampWithTimeZone, DbType::Sqlite) => {
+                    "timestamp_with_timezone_text".to_owned()
+                }
+                (ColumnType::Time, DbType::MySql | DbType::Postgres) => "time".to_owned(),
+                (ColumnType::Time, DbType::Sqlite) => "time_text".to_owned(),
+                (ColumnType::Date, DbType::MySql | DbType::Postgres) => "date".to_owned(),
+                (ColumnType::Date, DbType::Sqlite) => "date_text".to_owned(),
+                (ColumnType::Year, DbType::MySql) => "year".to_owned(),
+                (ColumnType::Interval(_, _), DbType::Postgres) => "interval".to_owned(),
+                (ColumnType::Blob, DbType::MySql | DbType::Sqlite) => "blob".to_owned(),
+                (ColumnType::Blob, DbType::Postgres) => "bytea".to_owned(),
+                (ColumnType::Binary(_), DbType::MySql) => "binary".to_owned(),
+                (ColumnType::Binary(_), DbType::Postgres) => "bytea".to_owned(),
+                (ColumnType::Binary(_), DbType::Sqlite) => "blob".to_owned(),
+                (ColumnType::VarBinary(_), DbType::MySql) => "varbinary".to_owned(),
+                (ColumnType::VarBinary(_), DbType::Postgres) => "bytea".to_owned(),
+                (ColumnType::VarBinary(_), DbType::Sqlite) => "varbinary_blob".to_owned(),
+                (ColumnType::Bit(_), DbType::MySql | DbType::Postgres) => "bit".to_owned(),
+                (ColumnType::VarBit(_), DbType::MySql) => "bit".to_owned(),
+                (ColumnType::VarBit(_), DbType::Postgres) => "varbit".to_owned(),
+                (ColumnType::Boolean, DbType::MySql | DbType::Postgres) => "bool".to_owned(),
+                (ColumnType::Boolean, DbType::Sqlite) => "boolean".to_owned(),
+                (ColumnType::Money(_), DbType::MySql) => "decimal".to_owned(),
+                (ColumnType::Money(_), DbType::Postgres) => "money".to_owned(),
+                (ColumnType::Money(_), DbType::Sqlite) => "real_money".to_owned(),
+                (ColumnType::Json, DbType::MySql | DbType::Postgres) => "json".to_owned(),
+                (ColumnType::Json, DbType::Sqlite) => "json_text".to_owned(),
+                (ColumnType::JsonBinary, DbType::MySql) => "json".to_owned(),
+                (ColumnType::JsonBinary, DbType::Postgres) => "jsonb".to_owned(),
+                (ColumnType::JsonBinary, DbType::Sqlite) => "jsonb_text".to_owned(),
+                (ColumnType::Uuid, DbType::MySql) => "binary(16)".to_owned(),
+                (ColumnType::Uuid, DbType::Postgres) => "uuid".to_owned(),
+                (ColumnType::Uuid, DbType::Sqlite) => "uuid_text".to_owned(),
+                (ColumnType::Enum { name, .. }, DbType::MySql) => {
+                    format!("ENUM({})", name.to_string().to_upper_camel_case())
+                }
+                (ColumnType::Enum { name, .. }, DbType::Postgres) => {
+                    name.to_string().to_uppercase()
+                }
+                (ColumnType::Enum { .. }, DbType::Sqlite) => "enum_text".to_owned(),
+                (ColumnType::Array(column_type), DbType::Postgres) => {
+                    format!("{}[]", write_db_type(column_type, db_type)).to_uppercase()
+                }
+                (ColumnType::Vector(_), DbType::Postgres) => "vector".to_owned(),
+                (ColumnType::Cidr, DbType::Postgres) => "cidr".to_owned(),
+                (ColumnType::Inet, DbType::Postgres) => "inet".to_owned(),
+                (ColumnType::MacAddr, DbType::Postgres) => "macaddr".to_owned(),
+                (ColumnType::LTree, DbType::Postgres) => "ltree".to_owned(),
+
+                _ => unimplemented!(),
+            }
+        }
+        write_db_type(&self.col_type, db_type)
+    }
+    pub fn get_rs_type(&self, date_time_crate: &DateTimeCrate) -> String {
+        fn write_rs_type(col_type: &ColumnType, date_time_crate: &DateTimeCrate) -> String {
+            #[allow(unreachable_patterns)]
+            match col_type {
+                ColumnType::Char(_)
+                | ColumnType::String(_)
+                | ColumnType::Text
+                | ColumnType::Custom(_) => "String".to_owned(),
+                ColumnType::TinyInteger => "i8".to_owned(),
+                ColumnType::SmallInteger => "i16".to_owned(),
+                ColumnType::Integer => "i32".to_owned(),
+                ColumnType::BigInteger => "i64".to_owned(),
+                ColumnType::TinyUnsigned => "u8".to_owned(),
+                ColumnType::SmallUnsigned => "u16".to_owned(),
+                ColumnType::Unsigned => "u32".to_owned(),
+                ColumnType::BigUnsigned => "u64".to_owned(),
+                ColumnType::Float => "f32".to_owned(),
+                ColumnType::Double => "f64".to_owned(),
+                ColumnType::Json | ColumnType::JsonBinary => "Json".to_owned(),
+                ColumnType::Date => match date_time_crate {
+                    DateTimeCrate::Chrono => "Date".to_owned(),
+                    DateTimeCrate::Time => "TimeDate".to_owned(),
+                },
+                ColumnType::Time => match date_time_crate {
+                    DateTimeCrate::Chrono => "Time".to_owned(),
+                    DateTimeCrate::Time => "TimeTime".to_owned(),
+                },
+                ColumnType::DateTime => match date_time_crate {
+                    DateTimeCrate::Chrono => "DateTime".to_owned(),
+                    DateTimeCrate::Time => "TimeDateTime".to_owned(),
+                },
+                ColumnType::Timestamp => match date_time_crate {
+                    DateTimeCrate::Chrono => "DateTimeUtc".to_owned(),
+                    DateTimeCrate::Time => "TimeDateTime".to_owned(),
+                },
+                ColumnType::TimestampWithTimeZone => match date_time_crate {
+                    DateTimeCrate::Chrono => "DateTimeWithTimeZone".to_owned(),
+                    DateTimeCrate::Time => "TimeDateTimeWithTimeZone".to_owned(),
+                },
+                ColumnType::Decimal(_) | ColumnType::Money(_) => "Decimal".to_owned(),
+                ColumnType::Uuid => "Uuid".to_owned(),
+                ColumnType::Binary(_) | ColumnType::VarBinary(_) | ColumnType::Blob => {
+                    "Vec<u8>".to_owned()
+                }
+                ColumnType::Boolean => "bool".to_owned(),
+                ColumnType::Enum { name, .. } => name.to_string().to_upper_camel_case(),
+                ColumnType::Array(column_type) => {
+                    format!("Vec<{}>", write_rs_type(column_type, date_time_crate))
+                }
+                ColumnType::Vector(_) => "::pgvector::Vector".to_owned(),
+                ColumnType::Bit(None | Some(1)) => "bool".to_owned(),
+                ColumnType::Bit(_) | ColumnType::VarBit(_) => "Vec<u8>".to_owned(),
+                ColumnType::Year => "i32".to_owned(),
+                ColumnType::Cidr | ColumnType::Inet => "IpNetwork".to_owned(),
+                ColumnType::Interval(_, _) | ColumnType::MacAddr | ColumnType::LTree => {
+                    "String".to_owned()
+                }
+                _ => unimplemented!(),
+            }
+        }
+        write_rs_type(&self.col_type, date_time_crate)
+    }
+}

src/generator/models/comment.rs

@@ -0,0 +1,154 @@
+use crate::generator::models::{CommentConfig, CommentConfigSerde};
+
+use super::{table::Table, ModelConfig};
+use color_eyre::{eyre, owo_colors::colors::White, Result};
+use comfy_table::{ContentArrangement, Table as CTable};
+use comment_parser::{CommentParser, Event};
+
+const HEADER: &str = r#"== Schema Information"#;
+const COMMENTHEAD: &str = r#"/*"#;
+const COMMENTBODY: &str = r#" *"#;
+const COMMENTTAIL: &str = r#"*/"#;
+const SETTINGSDELIMITER: &str = r#"```"#;
+
+pub struct ModelCommentGenerator {}
+
+impl ModelCommentGenerator {
+    pub fn find_settings_block(file_content: &str) -> Option<String> {
+        let delimiter_length = SETTINGSDELIMITER.len();
+        let start_pos = file_content.find(SETTINGSDELIMITER)?;
+        let end_pos = file_content[start_pos + delimiter_length..].find(SETTINGSDELIMITER)?;
+        let content = &file_content[start_pos + delimiter_length..start_pos + end_pos];
+        let content = content.replace(&format!("\n{COMMENTBODY}"), "\n");
+        Some(content)
+    }
+    pub fn generate_comment(
+        table: Table,
+        file_content: &str,
+        config: &ModelConfig,
+    ) -> Result<String> {
+        let rules = comment_parser::get_syntax("rust").unwrap();
+        let parser = CommentParser::new(&file_content, rules);
+        for comment in parser {
+            if let Event::BlockComment(body, _) = comment {
+                if body.contains(HEADER) {
+                    tracing::debug!("Found header");
+                    let mut settings = config.comment.clone();
+                    let mut new_settings = None;
+                    if let Some(parsed_settings) = Self::find_settings_block(file_content) {
+                        tracing::info!(?new_settings);
+                        match serde_yaml::from_str::<CommentConfigSerde>(&parsed_settings) {
+                            Ok(s) => {
+                                new_settings = Some(s.clone());
+                                settings = s.merge(&settings);
+                                tracing::info!(?settings);
+                            }
+                            Err(e) => {
+                                if !settings.ignore_errors {
+                                    return Err(e.into());
+                                }
+                            }
+                        }
+                    }
+                    tracing::debug!(?table.name, ?settings);
+                    if settings.enable {
+                        let comment =
+                            Self::generate_comment_content(table, config, &settings, new_settings)?;
+                        return Ok(file_content.replace(body, &comment));
+                    }
+
+                    // let settings = settings.unwrap();
+                    // tracing::info!(?settings);
+                    // let merged_settings = settings.merge(&config.comment);
+                    // if merged_settings.enable {
+                }
+            }
+        }
+
+        let comment = Self::generate_comment_content(table, config, &config.comment, None)?;
+        Ok(format!("{}\n{}", comment, file_content))
+    }
+    pub fn generate_comment_content(
+        table: Table,
+        model_config: &ModelConfig,
+        config: &CommentConfig,
+        parsed_settings: Option<CommentConfigSerde>,
+    ) -> Result<String> {
+        let mut model_config = model_config.clone();
+        model_config.comment = config.clone();
+        let column_info_table = if config.column_info {
+            let mut column_info_table = CTable::new();
+            let mut header = Vec::new();
+            if config.column_name {
+                header.push("Name");
+            }
+            if config.column_db_type {
+                header.push("DbType");
+            }
+            if config.column_rust_type {
+                header.push("RsType");
+            }
+            if config.column_attributes {
+                header.push("Attrs");
+            }
+            column_info_table
+                .load_preset("   -+=++      +  ++")
+                .set_content_arrangement(ContentArrangement::Dynamic)
+                .set_header(header);
+            if let Some(width) = config.max_width {
+                column_info_table.set_width(width);
+            }
+            for column in &table.columns {
+                column_info_table.add_row(column.get_info_row(&model_config)?);
+            }
+            column_info_table.to_string()
+        } else {
+            String::new()
+        };
+        let config_part = match parsed_settings {
+            Some(settings) => {
+                let settings_str = serde_yaml::to_string(&settings)?;
+                let settings_str = settings_str
+                    .lines()
+                    .map(|line| format!(" {}", line))
+                    .collect::<Vec<_>>()
+                    .join("\n");
+                format!(
+                    "{SETTINGSDELIMITER}\n{}\n{SETTINGSDELIMITER}\n\n",
+                    settings_str
+                )
+            }
+            None => String::new(),
+        };
+
+        let table_name = &table.name;
+        let table_name_str = if config.table_name {
+            format!("Table: {}\n", table_name)
+        } else {
+            String::new()
+        };
+        let string = format!("{HEADER}\n{config_part}{table_name_str}\n{column_info_table}");
+
+        let padded_string = Self::pad_comment(&string);
+        Ok(padded_string)
+    }
+
+    pub fn pad_comment(s: &str) -> String {
+        let parts = s.split('\n').collect::<Vec<_>>();
+        let mut padded = String::new();
+        for (index, part) in parts.iter().enumerate() {
+            let first = index == 0;
+            let comment = match first {
+                true => COMMENTHEAD.to_string(),
+                false => COMMENTBODY.to_string(),
+            };
+            let padded_part = format!("{} {}\n", comment, part);
+            padded.push_str(&padded_part);
+        }
+        padded.push_str(COMMENTTAIL);
+        padded
+    }
+    // pub async fn generate_header(&self, config: &Config, db_type: &DbType) -> Result<String> {
+    //
+    // }
+}

src/generator/models/discover.rs

@@ -4,17 +4,24 @@ use color_eyre::eyre::{eyre, Context, ContextCompat, Report, Result};
 use sea_schema::sea_query::TableCreateStatement;
 use url::Url;
 
-use crate::config::Config;
+use crate::config::db::DbConfig;
+#[derive(Debug, Clone)]
+pub enum DbType {
+    MySql,
+    Postgres,
+    Sqlite,
+}
+
 pub async fn get_tables(
     database_url: String,
-    config: &Config,
+    filter: Box<dyn Fn(&String) -> bool>,
-) -> Result<(Option<String>, Vec<TableCreateStatement>)> {
+    database_config: &DbConfig,
+) -> Result<(Vec<TableCreateStatement>, DbType)> {
     let url = Url::parse(&database_url)?;
 
     tracing::trace!(?url);
 
     let is_sqlite = url.scheme() == "sqlite";
-    let filter_tables = config.sea_orm.entity.tables.get_filter();
 
     let database_name: &str = (if !is_sqlite {
         let database_name = url
@@ -31,15 +38,15 @@ pub async fn get_tables(
         Ok(Default::default())
     })?;
 
-    let (schema_name, table_stmts) = match url.scheme() {
+    let (table_stmts, db_type) = match url.scheme() {
         "mysql" => {
             use sea_schema::mysql::discovery::SchemaDiscovery;
             use sqlx::MySql;
 
             tracing::info!("Connecting to MySQL");
             let connection = sqlx_connect::<MySql>(
-                config.db.max_connections,
+                database_config.max_connections,
-                config.db.acquire_timeout,
+                database_config.acquire_timeout,
                 url.as_str(),
                 None,
             )
@@ -51,12 +58,12 @@ pub async fn get_tables(
             let table_stmts = schema
                 .tables
                 .into_iter()
-                .filter(|schema| filter_tables(&schema.info.name))
+                .filter(|schema| filter(&schema.info.name))
                 // .filter(|schema| filter_hidden_tables(&schema.info.name))
                 // .filter(|schema| filter_skip_tables(&schema.info.name))
                 .map(|schema| schema.write())
                 .collect();
-            (None, table_stmts)
+            (table_stmts, DbType::MySql)
         }
         "sqlite" => {
             use sea_schema::sqlite::discovery::SchemaDiscovery;
@@ -64,8 +71,8 @@ pub async fn get_tables(
 
             tracing::info!("Connecting to SQLite");
             let connection = sqlx_connect::<Sqlite>(
-                config.db.max_connections,
+                database_config.max_connections,
-                config.db.acquire_timeout,
+                database_config.acquire_timeout,
                 url.as_str(),
                 None,
             )
@@ -80,22 +87,25 @@ pub async fn get_tables(
             let table_stmts = schema
                 .tables
                 .into_iter()
-                .filter(|schema| filter_tables(&schema.name))
+                .filter(|schema| filter(&schema.name))
                 // .filter(|schema| filter_hidden_tables(&schema.name))
                 // .filter(|schema| filter_skip_tables(&schema.name))
                 .map(|schema| schema.write())
                 .collect();
-            (None, table_stmts)
+            (table_stmts, DbType::Sqlite)
         }
         "postgres" | "potgresql" => {
             use sea_schema::postgres::discovery::SchemaDiscovery;
             use sqlx::Postgres;
 
             tracing::info!("Connecting to Postgres");
-            let schema = &config.db.database_schema.as_deref().unwrap_or("public");
+            let schema = &database_config
+                .database_schema
+                .as_deref()
+                .unwrap_or("public");
             let connection = sqlx_connect::<Postgres>(
-                config.db.max_connections,
+                database_config.max_connections,
-                config.db.acquire_timeout,
+                database_config.acquire_timeout,
                 url.as_str(),
                 Some(schema),
             )
@@ -107,18 +117,18 @@ pub async fn get_tables(
             let table_stmts = schema
                 .tables
                 .into_iter()
-                .filter(|schema| filter_tables(&schema.info.name))
+                .filter(|schema| filter(&schema.info.name))
                 // .filter(|schema| filter_hidden_tables(&schema.info.name))
                 // .filter(|schema| filter_skip_tables(&schema.info.name))
                 .map(|schema| schema.write())
                 .collect();
-            (config.db.database_schema.clone(), table_stmts)
+            (table_stmts, DbType::Postgres)
         }
         _ => unimplemented!("{} is not supported", url.scheme()),
     };
     tracing::info!("Schema discovered");
 
-    Ok((schema_name, table_stmts))
+    Ok((table_stmts, db_type))
 }
 async fn sqlx_connect<DB>(
     max_connections: u32,

src/generator/models/file.rs

@@ -0,0 +1,101 @@
+use std::path::PathBuf;
+
+use crate::{config::Config, generator::file::GeneratedFileChunk};
+
+use super::{
+    comment::ModelCommentGenerator, discover::DbType, table::Table, CommentConfig, ModelConfig,
+};
+use color_eyre::Result;
+use comfy_table::{ContentArrangement, Table as CTable};
+use comment_parser::{CommentParser, Event};
+use handlebars::Handlebars;
+use sea_orm_codegen::OutputFile;
+use serde::Serialize;
+use tokio::fs;
+#[derive(Debug, Clone)]
+pub struct FileGenerator {
+    filename: String,
+    table: Table,
+}
+// #[derive(Debug, Clone, Serialize)]
+// pub struct FileContext {
+//     entities_path: String,
+//     model_path: Option<String>,
+//     model_name: Option<String>,
+//     active_model_name: Option<String>,
+//     prelude_path: Option<String>,
+// }
+
+impl FileGenerator {
+    pub async fn generate_file<'a>(
+        table: Table,
+        config: &ModelConfig,
+        handlebars: &'a Handlebars<'a>,
+    ) -> Result<Vec<GeneratedFileChunk>> {
+        let mut file_chunks = Vec::new();
+        file_chunks.push(GeneratedFileChunk {
+            path: config.models_path.join("mod.rs"),
+            content: format!("pub mod {};", table.name),
+            priority: 0,
+        });
+        let filepath = config.models_path.join(format!("{}.rs", table.name));
+        tracing::debug!(?filepath, "Generating file");
+        if filepath.exists() {
+            file_chunks
+                .extend(Self::handle_existing_file(table, &filepath, config, handlebars).await?);
+        } else {
+        }
+
+        // let filepath = config.output.path.join(&self.filename);
+        // let file_context = FileContext {
+        //     entities_path: self.entities_path.clone(),
+        //     model_name: self.table.name.clone(),
+        // };
+        // let generated_header = self.generate_header(config, db_type).await?;
+        // if filepath.exists() {
+        //     let mut file_content = fs::read_to_string(filepath).await?;
+        //     if !config.output.models.comment.enable {
+        //         return Ok(file_content);
+        //     }
+        //     let rules = comment_parser::get_syntax("rust").unwrap();
+        //     let parser = CommentParser::new(&file_content, rules);
+        //     for comment in parser {
+        //         if let Event::BlockComment(body, _) = comment {
+        //             if body.contains(HEADER) {
+        //                 tracing::debug!("Found header");
+        //                 file_content = file_content.replace(body, &generated_header);
+        //                 return Ok(file_content);
+        //             }
+        //         }
+        //     }
+        //     Ok(format!("{}\n{}", generated_header, file_content))
+        // } else {
+        // let content = handlebars.render("model", &file_context)?;
+        // Ok(format!("{}{}", generated_header, content))
+        // }
+
+        // Ok(OutputFile {
+        //     name: self.filename.clone(),
+        //     content: self.generate_file(config, handlebars, db_type).await?,
+        // })
+        Ok(file_chunks)
+    }
+    async fn handle_existing_file<'a>(
+        table: Table,
+        filepath: &PathBuf,
+        config: &ModelConfig,
+        handlebars: &'a Handlebars<'a>,
+    ) -> Result<Vec<GeneratedFileChunk>> {
+        let mut file_chunks = Vec::new();
+        let mut file_content = fs::read_to_string(filepath).await?;
+        if config.comment.enable {
+            file_content = ModelCommentGenerator::generate_comment(table, &file_content, config)?;
+        }
+        file_chunks.push(GeneratedFileChunk {
+            path: filepath.clone(),
+            content: file_content,
+            priority: 0,
+        });
+        Ok(file_chunks)
+    }
+}

src/generator/models/mod.rs

@@ -0,0 +1,153 @@
+use crate::config::{sea_orm_config::DateTimeCrate, Config};
+use color_eyre::Result;
+use discover::DbType;
+use file::FileGenerator;
+use handlebars::Handlebars;
+use sea_orm_codegen::{EntityTransformer, EntityWriterContext, OutputFile};
+use sea_schema::sea_query::TableCreateStatement;
+use serde::{Deserialize, Serialize};
+use std::path::PathBuf;
+use table::Table;
+
+use super::file::{GeneratedFile, GeneratedFileChunk};
+pub mod column;
+pub mod comment;
+pub mod discover;
+pub mod file;
+pub mod table;
+#[derive(Debug, Clone)]
+pub struct ModelConfig {
+    pub models_path: PathBuf,
+    pub prelude: bool,
+    pub entities_path: PathBuf,
+    pub relative_entities_path: String,
+    pub enable: bool,
+    pub comment: CommentConfig,
+    pub db_type: DbType,
+}
+#[derive(Debug, Clone)]
+pub struct CommentConfig {
+    pub max_width: Option<u16>,
+    pub enable: bool,
+    pub table_name: bool,
+    pub column_info: bool,
+    pub column_name: bool,
+    pub column_rust_type: bool,
+    pub column_db_type: bool,
+    pub column_attributes: bool,
+    pub ignore_errors: bool,
+    pub date_time_crate: DateTimeCrate,
+}
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CommentConfigSerde {
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub max_width: Option<u16>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub enable: Option<bool>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub table_name: Option<bool>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub name: Option<bool>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub info: Option<bool>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub rust_type: Option<bool>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub db_type: Option<bool>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub attributes: Option<bool>,
+}
+impl CommentConfigSerde {
+    pub fn merge(&self, config: &CommentConfig) -> CommentConfig {
+        CommentConfig {
+            max_width: self.max_width.or(config.max_width),
+            table_name: self.table_name.unwrap_or(config.table_name),
+            column_name: self.name.unwrap_or(config.column_name),
+            column_info: self.info.unwrap_or(config.column_info),
+            column_rust_type: self.rust_type.unwrap_or(config.column_rust_type),
+            column_db_type: self.db_type.unwrap_or(config.column_db_type),
+            column_attributes: self.attributes.unwrap_or(config.column_attributes),
+            ignore_errors: config.ignore_errors,
+            enable: self.enable.unwrap_or(config.enable),
+            date_time_crate: config.date_time_crate.clone(),
+        }
+    }
+}
+
+impl ModelConfig {
+    pub fn new(config: Config, db_type: DbType) -> Self {
+        let models_path = config.output.path.join(&config.output.models.path);
+        let entities_path = models_path.join(&config.output.models.entities);
+        ModelConfig {
+            db_type,
+            prelude: config.output.models.prelude,
+            entities_path,
+            models_path,
+            relative_entities_path: config.output.models.entities.clone(),
+            enable: config.output.models.enable,
+            comment: CommentConfig {
+                max_width: config.output.models.comment.max_width,
+                enable: config.output.models.comment.enable,
+                table_name: config.output.models.comment.table_name,
+                column_name: config.output.models.comment.column_name,
+                column_info: config.output.models.comment.column_info,
+                column_rust_type: config.output.models.comment.column_rust_type,
+                column_db_type: config.output.models.comment.column_db_type,
+                column_attributes: config.output.models.comment.column_attributes,
+                ignore_errors: config.output.models.comment.ignore_errors,
+                date_time_crate: config.sea_orm.entity.date_time_crate,
+            },
+        }
+    }
+}
+
+pub async fn generate_models<'a>(
+    database_url: &str,
+    config: &Config,
+    handlebars: &'a Handlebars<'a>,
+) -> Result<Vec<GeneratedFileChunk>> {
+    let mut files = Vec::new();
+    let db_filter = config.sea_orm.entity.tables.get_filter();
+    let (table_stmts, db_type) =
+        discover::get_tables(database_url.to_owned(), db_filter, &config.db).await?;
+    let model_config = ModelConfig::new(config.clone(), db_type);
+
+    let writer_context = config.clone().into();
+    files.extend(
+        generate_entities(table_stmts.clone(), model_config.clone(), writer_context).await?,
+    );
+
+    files.push(GeneratedFileChunk {
+        path: model_config.models_path.join("mod.rs"),
+        content: format!("pub mod {};", model_config.relative_entities_path),
+        priority: 0,
+    });
+    let tables = table_stmts
+        .into_iter()
+        .map(Table::new)
+        .collect::<Result<Vec<Table>>>()?;
+
+    if model_config.enable {
+        for table in tables {
+            files.extend(FileGenerator::generate_file(table, &model_config, handlebars).await?);
+        }
+    }
+    Ok(files)
+}
+
+pub async fn generate_entities(
+    table_statements: Vec<TableCreateStatement>,
+    config: ModelConfig,
+    writer_context: EntityWriterContext,
+) -> Result<Vec<GeneratedFileChunk>> {
+    let output = EntityTransformer::transform(table_statements)?.generate(&writer_context);
+    Ok(output
+        .files
+        .into_iter()
+        .map(|OutputFile { name, content }| GeneratedFileChunk {
+            path: config.entities_path.join(name),
+            content,
+            priority: 0,
+        })
+        .collect::<Vec<_>>())
+}

src/generator/models/table.rs

@@ -11,7 +11,7 @@ pub struct Table {
 }
 
 impl Table {
-    pub fn new(statement: TableCreateStatement, config: Config) -> Result<Table> {
+    pub fn new(statement: TableCreateStatement) -> Result<Table> {
         let table_name = match statement.get_table_name() {
             Some(table_ref) => match table_ref {
                 sea_query::TableRef::Table(t)
@@ -27,6 +27,12 @@ impl Table {
         tracing::debug!(?table_name);
         let columns_raw = statement.get_columns();
         let indexes = statement.get_indexes();
+        for column in columns_raw {
+            tracing::debug!(?column);
+        }
+        for index in indexes {
+            tracing::debug!(?index);
+        }
         let columns = columns_raw
             .iter()
             .map(|column| {

src/main.rs

@@ -1,5 +1,6 @@
 mod config;
 mod generator;
+mod templates;
 
 use clap::Parser;
 use color_eyre::{eyre::eyre, Report, Result};
@@ -8,6 +9,7 @@ use figment::{
     providers::{Format, Serialized, Yaml},
     Figment,
 };
+use handlebars::Handlebars;
 use indicatif::{ProgressBar, ProgressStyle};
 use sea_orm_codegen::{
     DateTimeCrate as CodegenDateTimeCrate, EntityTransformer, EntityWriterContext, OutputFile,
@@ -37,52 +39,69 @@ async fn main() -> Result<()> {
     tracing::info!(?args);
 
     let mut handlebars = Handlebars::new();
+    templates::register_templates(&mut handlebars, &config).await?;
 
-    let output_dir = &config.output.path;
+    let outputs = generator::generate(&args.database_url, &config, &handlebars).await?;
-    let output_internal_entities = output_dir.join("_entities");
-    let (_, table_stmts) = generator::discover::get_tables(args.database_url, &config).await?;
-    let writer_context = config.clone().into();
-    let output = EntityTransformer::transform(table_stmts.clone())?.generate(&writer_context);
-    let mut files = output
-        .files
-        .into_iter()
-        .map(|OutputFile { name, content }| (output_internal_entities.join(name), content))
-        .collect::<Vec<_>>();
-    generator::update_files(table_stmts, config.clone(), &handlebars).await?;
-    // let generate_files = generator::generate_models(table_stmts, config.clone())
-    //     .await?
-    //     .into_iter()
-    //     .map(|OutputFile { name, content }| (output_dir.join(name), content))
-    //     .collect::<Vec<_>>();
-    // files.extend(generate_files);
-    tracing::info!("Generated {} files", files.len());
-    fs::create_dir_all(&output_internal_entities).await?;
-    let progress_bar = ProgressBar::new((files.len() * 2) as u64)
-        .with_style(
-            ProgressStyle::default_bar()
-                .template("[{elapsed_precise}] {bar:40.cyan/blue} {pos}/{len} {msg}")?,
-        )
-        .with_message("Writing files");
 
-    for (file_path, content) in files.iter() {
+    // tracing::info!(?outputs, "Generated files");
-        progress_bar.set_message(format!("Writing file: {:?}", file_path));
+    for output in outputs.iter() {
-        tracing::debug!(?file_path, "Writing file");
+        tracing::info!(?output, "Generated chunk");
-        let mut file = fs::File::create(&file_path).await?;
+        // let mut file = fs::File::create(&output.path).await?;
-        file.write_all(content.as_bytes()).await?;
+        // file.write_all(output.content.as_bytes()).await?;
-        progress_bar.inc(1);
     }
-    progress_bar.set_message("Running rustfmt");
 
-    for (file_path, ..) in files.iter() {
+    let merged_outputs = generator::file::combine_chunks(outputs)?;
-        tracing::debug!(?file_path, "Running rustfmt");
+    for output in merged_outputs.iter() {
-        progress_bar.set_message(format!("Running rustfmt: {:?}", file_path));
+        tracing::info!(?output, "Merged file");
-        let exit_status = Command::new("rustfmt").arg(file_path).status().await?; // Get the status code
+        let mut file = fs::File::create(&output.path).await?;
+        file.write_all(output.content.as_bytes()).await?;
+    }
+    for output in merged_outputs.iter() {
+        tracing::info!(?output, "Running rustfmt");
+        let exit_status = Command::new("rustfmt").arg(&output.path).status().await?;
         if !exit_status.success() {
-            // Propagate the error if any
             return Err(eyre!("Failed to run rustfmt"));
         }
-        progress_bar.inc(1);
     }
-    progress_bar.finish();
+
+    //
+    // let output_dir = &config.output.path;
+    //
+    // let output_models_dir = output_dir.join(&config.output.models.path);
+    //
+    // let output_internal_entities = output_models_dir.join(&config.output.models.entities);
+    // let (_, table_stmts, db_type) =
+    //     generator::discover::get_tables(args.database_url, &config).await?;
+    // let writer_context = config.clone().into();
+    // let output = EntityTransformer::transform(table_stmts.clone())?.generate(&writer_context);
+    // let mut files = output
+    //     .files
+    //     .into_iter()
+    //     .map(|OutputFile { name, content }| (output_internal_entities.join(name), content))
+    //     .collect::<Vec<_>>();
+    // // generator::update_files(table_stmts, config.clone(), &handlebars).await?;
+    // let generate_files = generator::update_files(table_stmts, config.clone(), &handlebars, db_type)
+    //     .await?
+    //     .into_iter()
+    //     .map(|OutputFile { name, content }| (output_models_dir.join(name), content))
+    //     .collect::<Vec<_>>();
+    // files.extend(generate_files);
+    // tracing::info!("Generated {} files", files.len());
+    // fs::create_dir_all(&output_internal_entities).await?;
+    //
+    // for (file_path, content) in files.iter() {
+    //     tracing::info!(?file_path, "Writing file");
+    //     let mut file = fs::File::create(&file_path).await?;
+    //     file.write_all(content.as_bytes()).await?;
+    // }
+    //
+    // for (file_path, ..) in files.iter() {
+    //     tracing::info!(?file_path, "Running rustfmt");
+    //     let exit_status = Command::new("rustfmt").arg(file_path).status().await?; // Get the status code
+    //     if !exit_status.success() {
+    //         // Propagate the error if any
+    //         return Err(eyre!("Failed to run rustfmt"));
+    //     }
+    // }
     Ok(())
 }

src/templates.rs

@@ -0,0 +1,67 @@
+use crate::config::Config;
+use color_eyre::eyre::{Context, ContextCompat, Result};
+use handlebars::Handlebars;
+use include_dir::{include_dir, Dir, DirEntry, File};
+use serde_yaml::Value;
+use std::path::PathBuf;
+use tokio::fs;
+
+static TEMPLATE_DIR: Dir<'_> = include_dir!("$CARGO_MANIFEST_DIR/templates");
+
+async fn handle_direntries<'a>(
+    entries: &[DirEntry<'a>],
+    handlebars: &mut Handlebars<'a>,
+) -> Result<()> {
+    for entry in entries.iter().filter(|file| {
+        file.path()
+            .extension()
+            .is_some_and(|f| f.to_str().is_some_and(|f| f == "hbs"))
+            || file.as_dir().is_some()
+    }) {
+        match entry {
+            DirEntry::File(file) => {
+                let path = file.path().with_extension("");
+                let name = path
+                    .to_str()
+                    .context("Failed to convert path to str")?
+                    .replace("/", ".");
+                let content = file
+                    .contents_utf8()
+                    .context(format!("Template {} failed to parse", name))?;
+
+                tracing::debug!(?name, "Registering template");
+                if !handlebars.has_template(&name) {
+                    handlebars.register_template_string(&name, content)?;
+                } else {
+                    tracing::debug!(?name, "Template already registered, skipping");
+                }
+            }
+            DirEntry::Dir(dir) => {
+                Box::pin(handle_direntries(dir.entries(), handlebars)).await?;
+            }
+        }
+    }
+
+    Ok(())
+}
+pub async fn register_templates(handlebars: &mut Handlebars<'_>, config: &Config) -> Result<()> {
+    if let Some(templates) = &config.templates {
+        for (name, value) in templates.iter() {
+            let Value::String(name) = name else {
+                return Err(color_eyre::eyre::eyre!("Invalid template name"));
+            };
+            let Value::String(path) = value else {
+                return Err(color_eyre::eyre::eyre!("Invalid template value"));
+            };
+            let mut path = PathBuf::from(path);
+            if let Some(templates_dir) = &config.templates_dir {
+                path = templates_dir.join(path);
+            }
+            tracing::info!(?name, ?path, "Registering template");
+            let content = fs::read_to_string(path).await?;
+            handlebars.register_template_string(name, content)?;
+        }
+    }
+    handle_direntries(TEMPLATE_DIR.entries(), handlebars).await?;
+    Ok(())
+}

src/templates/model.rs.hbs

@@ -1,12 +0,0 @@
-use {{entities_path}}::{ActiveMode, Model, Entity};
-{{#if has_prelude}}
-use {{prelude}};
-{{/if}}
-
-impl Model {
-
-}
-
-impl ActiveModel {
-
-}

templates/model.hbs

@@ -0,0 +1,9 @@
+use {{entities_path}}::{{model_name}}::{ActiveModel, Model, Entity};
+use sea_orm::ActiveModelBehavior;
+
+#[async_trait::async_trait]
+impl ActiveModelBehavior for ActiveModel {}
+
+impl Model {}
+
+impl ActiveModel {}

templates/modelprelude.hbs

@@ -0,0 +1,9 @@
+use {{prelude_path}}::*;
+use sea_orm::ActiveModelBehavior;
+
+#[async_trait::async_trait]
+impl ActiveModelBehavior for {{active_model_name}} {}
+
+impl {{model_name}} {}
+
+impl {{active_model_name}} {}