some refactor

meson.build

@@ -7,21 +7,7 @@ extra_c_link_args = ['-Wl,--gc-sections']
 sqlite3_dep = dependency('sqlite3', required: false)
 use_sqlite3 = get_option('use_sqlite3')
 use_werror = get_option('use_werror')
-
-if use_sqlite3
-  if not sqlite3_dep.found()
-    error('SQLite3 requested but not found')
-  endif
-  deps += sqlite3_dep
-  add_project_arguments('-DUSE_SQLITE3', language: 'c')
-endif
-
-if use_werror
-  add_project_arguments('-Werror', language: 'c')
-endif
-
-executable(
-  'auth_service',
+sources = [
   'src/main.c',
   'src/user.c',
   'src/add_user.c',
@@ -52,6 +38,50 @@ executable(
   'src/cors.c',
   'src/db_get_user_field_by_id.c',
   'src/db_update_user_field.c',
+]
+
+with_filedb_sources = [
+  'src/file_db/filedb.c',
+  'src/file_db/filedb_delete_user.c',
+  'src/file_db/filedb_get_all_users.c',
+  'src/file_db/filedb_get_user_by_id.c',
+  'src/file_db/filedb_get_user_by_username.c',
+  'src/file_db/filedb_get_user_field_by_id.c',
+  'src/file_db/filedb_insert_user.c',
+  'src/file_db/filedb_update_user.c',
+  'src/file_db/filedb_update_user_field.c',
+]
+
+with_sqlite3_sources = [
+  'src/sqlite_db/sqlite.c',
+  'src/sqlite_db/sqlite_delete_user.c',
+  'src/sqlite_db/sqlite_get_all_users.c',
+  'src/sqlite_db/sqlite_get_user_by_id.c',
+  'src/sqlite_db/sqlite_get_user_by_username.c',
+  'src/sqlite_db/sqlite_get_user_field_by_id.c',
+  'src/sqlite_db/sqlite_init_db.c',
+  'src/sqlite_db/sqlite_insert_user.c',
+  'src/sqlite_db/sqlite_migrate_db.c',
+  'src/sqlite_db/sqlite_update_user.c',
+  'src/sqlite_db/sqlite_update_user_field.c',
+]
+
+if use_sqlite3
+  if not sqlite3_dep.found()
+    error('SQLite3 requested but not found')
+  endif
+  deps += sqlite3_dep
+  sources += with_sqlite3_sources
+  add_project_arguments('-DUSE_SQLITE3', language: 'c')
+endif
+
+if use_werror
+  add_project_arguments('-Werror', language: 'c')
+endif
+
+executable(
+  'auth_service',
+  sources + with_filedb_sources,
   include_directories: include_dirs,
   dependencies: deps,
   c_args: extra_c_args,