Made repo safe to use concurrently

vieter/main.v

@@ -14,8 +14,9 @@ const db_name = 'pieter.db.tar.gz'
 
 struct App {
 	web.Context
-	api_key  string [required; web_global]
-	repo_dir string [required; web_global]
+	api_key  string           [required; web_global]
+	repo_dir string           [required; web_global]
+	repo     shared repo.Repo [required]
 }
 
 [noreturn]
@@ -51,40 +52,6 @@ fn reader_to_file(mut reader io.BufferedReader, length int, path string) ? {
 	}
 }
 
-['/pkgs/:pkg'; put]
-fn (mut app App) put_package(pkg string) web.Result {
-	full_path := os.join_path_single(app.repo_dir, pkg)
-
-	if os.exists(full_path) {
-		app.lwarn("Tried to upload duplicate package '$pkg'")
-
-		return app.text('File already exists.')
-	}
-
-	if length := app.req.header.get(.content_length) {
-		reader_to_file(mut app.reader, length.int(), full_path) or {
-			app.lwarn("Failed to upload package '$pkg'")
-
-			return app.text('Failed to upload file.')
-		}
-	} else {
-		app.lwarn("Tried to upload package '$pkg' without specifying a Content-Length.")
-		return app.text("Content-Type header isn't set.")
-	}
-
-	repo.add_package(os.join_path_single(app.repo_dir, db_name), full_path) or {
-		app.linfo("Failed to add package '$pkg' to database.")
-
-		os.rm(full_path) or { println('Failed to remove $full_path') }
-
-		return app.text('Failed to add package to repo.')
-	}
-
-	app.linfo("Uploaded package '$pkg'.")
-
-	return app.text('Package added successfully.')
-}
-
 fn main() {
 	// Configure logger
 	log_level_str := os.getenv_opt('LOG_LEVEL') or { 'WARN' }
@@ -99,9 +66,6 @@ fn main() {
 
 	logger.set_full_logpath(log_file)
 	logger.log_to_console_too()
-	// logger.set
-	logger.debug('Logger set up.')
-	logger.flush()
 
 	defer {
 		logger.info('Flushing log file')
@@ -121,12 +85,15 @@ fn main() {
 			exit_with_message(2, "Failed to create repo directory '$repo_dir'.")
 		}
 
-		println("Repo directory '$repo_dir' created.")
+		logger.info("Created repo directory '$repo_dir'")
 	}
 
 	web.run(&App{
+		logger: logger
 		api_key: key
 		repo_dir: repo_dir
-		logger: logger
+		repo: repo.Repo{
+			path: os.join_path_single(repo_dir, db_name)
+		}
 	}, port)
 }

vieter/repo.v

@@ -2,8 +2,12 @@ module repo
 
 import os
 
-pub fn add_package(db_path string, pkg_path string) ? {
-	res := os.execute("repo-add '$db_path' '$pkg_path'")
+pub struct Repo {
+	path string
+}
+
+pub fn (r Repo) add_package(pkg_path string) ? {
+	res := os.execute("repo-add '$r.path' '$pkg_path'")
 
 	if res.exit_code != 0 {
 		println(res.output)

vieter/routes.v

@@ -0,0 +1,44 @@
+module main
+
+import web
+import os
+import repo
+
+['/pkgs/:pkg'; put]
+fn (mut app App) put_package(pkg string) web.Result {
+	full_path := os.join_path_single(app.repo_dir, pkg)
+
+	if os.exists(full_path) {
+		app.lwarn("Tried to upload duplicate package '$pkg'")
+
+		return app.text('File already exists.')
+	}
+
+	if length := app.req.header.get(.content_length) {
+		app.ldebug("Uploading $length bytes to package '$pkg'")
+		reader_to_file(mut app.reader, length.int(), full_path) or {
+			app.lwarn("Failed to upload package '$pkg'")
+
+			return app.text('Failed to upload file.')
+		}
+	} else {
+		app.lwarn("Tried to upload package '$pkg' without specifying a Content-Length.")
+		return app.text("Content-Type header isn't set.")
+	}
+
+	lock app.repo {
+		app.repo.add_package(full_path) or {
+			app.linfo("Failed to add package '$pkg' to database.")
+
+			os.rm(full_path) or { println('Failed to remove $full_path') }
+
+			return app.text('Failed to add package to repo.')
+		}
+
+		app.linfo("Added '$pkg' to repository.")
+	}
+
+	app.linfo("Uploaded package '$pkg'.")
+
+	return app.text('Package added successfully.')
+}