vieter/vieter/main.v

101 lines
2.1 KiB
V

module main
import web
import os
import log
import io
import repo
const port = 8000
const buf_size = 100_000
const db_name = 'pieter.db.tar.gz'
struct App {
web.Context
pub:
api_key string [required; web_global]
pub mut:
repo repo.Repo [required; web_global]
}
[noreturn]
fn exit_with_message(code int, msg string) {
eprintln(msg)
exit(code)
}
fn reader_to_file(mut reader io.BufferedReader, length int, path string) ? {
// Open up a file for writing to
mut file := os.create(path) ?
defer {
file.close()
}
mut buf := []byte{len: buf_size}
mut bytes_left := length
// Repeat as long as the stream still has data
for bytes_left > 0 {
// TODO check if just breaking here is safe
bytes_read := reader.read(mut buf) or { break }
bytes_left -= bytes_read
mut to_write := bytes_read
for to_write > 0 {
// TODO don't just loop infinitely here
bytes_written := file.write(buf[bytes_read - to_write..bytes_read]) or { continue }
to_write = to_write - bytes_written
}
}
}
fn main() {
// Configure logger
log_level_str := os.getenv_opt('LOG_LEVEL') or { 'WARN' }
log_level := log.level_from_tag(log_level_str) or {
exit_with_message(1, 'Invalid log level. The allowed values are FATAL, ERROR, WARN, INFO & DEBUG.')
}
log_file := os.getenv_opt('LOG_FILE') or { 'vieter.log' }
mut logger := log.Log{
level: log_level
}
logger.set_full_logpath(log_file)
logger.log_to_console_too()
defer {
logger.info('Flushing log file')
logger.flush()
logger.close()
}
// Configure web server
key := os.getenv_opt('API_KEY') or { exit_with_message(1, 'No API key was provided.') }
repo_dir := os.getenv_opt('REPO_DIR') or {
exit_with_message(1, 'No repo directory was configured.')
}
// We create the upload directory during startup
if !os.is_dir(repo_dir) {
os.mkdir_all(repo_dir) or {
exit_with_message(2, "Failed to create repo directory '$repo_dir'.")
}
logger.info("Created repo directory '$repo_dir'")
}
web.run(&App{
logger: logger
api_key: key
repo: repo.Repo{
dir: repo_dir
name: db_name
}
}, port)
}