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use std::fs;
use std::io;
use std::path::Path;
use std::path::PathBuf;
use crate::git::CommitIterator;
use crate::git::GitRepo;
use crate::types::ResultDynError;
pub struct CreateInput<'a> {
pub project_name: &'a str,
pub project_dir: &'a Path,
pub db_uri: &'a str,
}
pub struct OpenInput<'a> {
pub project_dir: &'a Path,
pub project_name: &'a str,
pub db_uri: &'a str,
}
pub struct Project {
name: String,
project_dir: PathBuf,
repo_path: PathBuf,
sql_path: PathBuf,
db_uri: String,
repo: GitRepo,
}
impl Project {
pub fn create(input: &CreateInput) -> ResultDynError<Project> {
let repo_path = input.project_dir.join(&input.project_name);
let _repo = GitRepo::upsert(repo_path)?;
let project = Project::open(&OpenInput {
project_dir: input.project_dir,
project_name: input.project_name,
db_uri: input.db_uri,
})?;
return Ok(project);
}
pub fn open(input: &OpenInput) -> ResultDynError<Project> {
let repo_path = input.project_dir.join(&input.project_name);
let repo = GitRepo::new(repo_path.to_str().unwrap())?;
return Ok(Project {
db_uri: input.db_uri.into(),
project_dir: input.project_dir.into(),
name: input.project_name.into(),
sql_path: Project::default_sql_path(),
repo_path,
repo,
});
}
fn default_sql_path() -> PathBuf {
return PathBuf::from("dump.sql");
}
}
impl Project {
pub fn db_uri(&self) -> &str {
return &self.db_uri;
}
pub fn project_dir(&self) -> &Path {
return self.project_dir.as_ref();
}
pub fn repo_path(&self) -> &Path {
return self.repo_path.as_ref();
}
pub fn sql_path(&self) -> &Path {
return self.sql_path.as_ref();
}
pub fn name(&self) -> &str {
return &self.name;
}
pub fn commit_iterator(&self) -> ResultDynError<CommitIterator> {
return self.repo.commit_iterator();
}
pub fn absolute_sql_path(&self) -> PathBuf {
return self.repo_path.join(&self.sql_path);
}
pub fn commit_dump(&self, message: &str, dump: Vec<u8>) -> ResultDynError<()> {
log::debug!("Creating project...");
let repo = GitRepo::new(self.repo_path())?;
log::debug!("Reading db...");
self.sync_dump(dump)?;
log::debug!("Writing state changes...");
repo.commit_file(self.sql_path(), message)?;
return Ok(());
}
pub fn sync_dump(&self, dump: Vec<u8>) -> io::Result<()> {
return fs::write(self.absolute_sql_path(), dump);
}
pub fn get_dump_at_commit(&self, commit_hash: &str) -> ResultDynError<Vec<u8>> {
return self
.repo
.get_file_content_at_commit(self.sql_path(), commit_hash);
}
pub fn get_latest_dump(&self) -> ResultDynError<Vec<u8>> {
let last_commit_hash = self.repo.last_commit_hash()?;
return self.get_dump_at_commit(&last_commit_hash);
}
}