feat(sea-orm-cli): output log about generated file name. (#735)

* feat(sea-orm-cli): output lof about  generated file name.

https://github.com/SeaQL/sea-orm/issues/722

* include column names in info

* cargo fmt

* Update sea-orm-cli/src/commands.rs

Avoid multiple initializations

Co-authored-by: Billy Chan <ccw.billy.123@gmail.com>

* show info per column

* refactor: use write! macro

* Refactoring

Co-authored-by: Billy Chan <ccw.billy.123@gmail.com>

sea-orm-cli/src/commands.rs

@@ -3,6 +3,7 @@ use clap::ArgMatches;
 use regex::Regex;
 use sea_orm_codegen::{EntityTransformer, OutputFile, WithSerde};
 use std::{error::Error, fmt::Display, fs, io::Write, path::Path, process::Command, str::FromStr};
+use tracing_subscriber::{prelude::*, EnvFilter};
 use url::Url;
 
 pub async fn run_generate_command(matches: &ArgMatches<'_>) -> Result<(), Box<dyn Error>> {
@@ -21,6 +22,17 @@ pub async fn run_generate_command(matches: &ArgMatches<'_>) -> Result<(), Box<dy
                     .with_max_level(tracing::Level::DEBUG)
                     .with_test_writer()
                     .try_init();
+            } else {
+                let filter_layer = EnvFilter::try_new("sea_orm_codegen=info").unwrap();
+                let fmt_layer = tracing_subscriber::fmt::layer()
+                    .with_target(false)
+                    .with_level(false)
+                    .without_time();
+
+                let _ = tracing_subscriber::registry()
+                    .with(filter_layer)
+                    .with(fmt_layer)
+                    .try_init();
             }
 
             let max_connections = args

sea-orm-codegen/Cargo.toml

@@ -25,6 +25,7 @@ syn = { version = "^1", default-features = false, features = [
 quote = "^1"
 heck = "^0.3"
 proc-macro2 = "^1"
+tracing = { version = "0.1", features = ["log"] }
 
 [dev-dependencies]
 pretty_assertions = { version = "^0.7" }

sea-orm-codegen/src/entity/column.rs

@@ -3,6 +3,7 @@ use heck::{CamelCase, SnakeCase};
 use proc_macro2::{Ident, TokenStream};
 use quote::{format_ident, quote};
 use sea_query::{ColumnDef, ColumnSpec, ColumnType};
+use std::fmt::Write as FmtWrite;
 
 #[derive(Clone, Debug)]
 pub struct Column {
@@ -143,6 +144,33 @@ impl Column {
         }
         col_def
     }
+
+    pub fn get_info(&self) -> String {
+        let mut info = String::new();
+        let type_info = self.get_rs_type().to_string().replace(' ', "");
+        let col_info = self.col_info();
+        write!(
+            &mut info,
+            "Column `{}`: {}{}",
+            self.name, type_info, col_info
+        )
+        .unwrap();
+        info
+    }
+
+    fn col_info(&self) -> String {
+        let mut info = String::new();
+        if self.auto_increment {
+            write!(&mut info, ", auto_increment").unwrap();
+        }
+        if self.not_null {
+            write!(&mut info, ", not_null").unwrap();
+        }
+        if self.unique {
+            write!(&mut info, ", unique").unwrap();
+        }
+        info
+    }
 }
 
 impl From<ColumnDef> for Column {
@@ -361,6 +389,42 @@ mod tests {
         }
     }
 
+    #[test]
+    fn test_get_info() {
+        let column: Column = ColumnDef::new(Alias::new("id")).string().to_owned().into();
+        assert_eq!(column.get_info().as_str(), "Column `id`: Option<String>");
+
+        let column: Column = ColumnDef::new(Alias::new("id"))
+            .string()
+            .not_null()
+            .to_owned()
+            .into();
+        assert_eq!(column.get_info().as_str(), "Column `id`: String, not_null");
+
+        let column: Column = ColumnDef::new(Alias::new("id"))
+            .string()
+            .not_null()
+            .unique_key()
+            .to_owned()
+            .into();
+        assert_eq!(
+            column.get_info().as_str(),
+            "Column `id`: String, not_null, unique"
+        );
+
+        let column: Column = ColumnDef::new(Alias::new("id"))
+            .string()
+            .not_null()
+            .unique_key()
+            .auto_increment()
+            .to_owned()
+            .into();
+        assert_eq!(
+            column.get_info().as_str(),
+            "Column `id`: String, auto_increment, not_null, unique"
+        );
+    }
+
     #[test]
     fn test_from_column_def() {
         let column: Column = ColumnDef::new(Alias::new("id")).string().to_owned().into();

sea-orm-codegen/src/entity/writer.rs

@@ -4,6 +4,7 @@ use proc_macro2::TokenStream;
 use quote::{format_ident, quote};
 use std::{collections::HashMap, str::FromStr};
 use syn::{punctuated::Punctuated, token::Comma};
+use tracing::info;
 
 #[derive(Clone, Debug)]
 pub struct EntityWriter {
@@ -94,6 +95,18 @@ impl EntityWriter {
         self.entities
             .iter()
             .map(|entity| {
+                let entity_file = format!("{}.rs", entity.get_table_name_snake_case());
+                let column_info = entity
+                    .columns
+                    .iter()
+                    .map(|column| column.get_info())
+                    .collect::<Vec<String>>();
+
+                info!("Generating {}", entity_file);
+                for info in column_info.iter() {
+                    info!("    > {}", info);
+                }
+
                 let mut lines = Vec::new();
                 Self::write_doc_comment(&mut lines);
                 let code_blocks = if expanded_format {
@@ -103,7 +116,7 @@ impl EntityWriter {
                 };
                 Self::write(&mut lines, code_blocks);
                 OutputFile {
-                    name: format!("{}.rs", entity.get_table_name_snake_case()),
+                    name: entity_file,
                     content: lines.join("\n\n"),
                 }
             })