From 401820e28b74e09bffdeaa25fcf6de518487a433 Mon Sep 17 00:00:00 2001
From: Anastasis Grammenos <anastasis.gramm2@gmail.com>
Date: Sat, 27 Oct 2018 00:49:06 +0300
Subject: restore

---
 src/dblayer.c | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)

(limited to 'src/dblayer.c')

diff --git a/src/dblayer.c b/src/dblayer.c
index acdf339..33e1682 100644
--- a/src/dblayer.c
+++ b/src/dblayer.c
@@ -842,3 +842,108 @@ int del_transaction_try(DB *db, char *arg, int conf) {
   __END_TRANSACTION__
   return 0;
 }
+
+int restore_program(DB *db, Conf *conf, const char *pName) {
+  sqlite3_stmt *stmt;
+  int rc;
+
+  char sql[STR_L];
+
+  char selection[STR_M] = COL_CONFIG_PATH;
+  strcat(selection, ",");
+  strcat(selection, COL_CONFIG_SECRET);
+
+  char condition[STR_M] = TBL_PROGRAM;
+  strcat(condition, ".");
+  strcat(condition, COL_PROGRAM_NAME);
+
+  dbh_form_query_select_from_joined_eq(sql, selection, condition);
+
+  rc = sqlite3_prepare_v2(db->ptr, sql, -1, &stmt, 0);
+  if (rc != SQLITE_OK) {
+    return 0;
+  }
+
+  sqlite3_bind_text(stmt, 1, pName, -1, 0);
+  int err_flag = 0;
+  while (sqlite3_step(stmt) == SQLITE_ROW) {
+    int secret = sqlite3_column_int(stmt, 1);
+    char filePath[STR_L];
+    strcpy(filePath, secret ? conf->scrt_dir : conf->vc_dir);
+    strcat(filePath, "/");
+    strcat(filePath, pName);
+    strcat(filePath, "/");
+    strcat(filePath, basename((char *)sqlite3_column_text(stmt, 0)));
+    if (!util_is_file_rw(filePath)) {
+      sERR("%s does not exist or is not accessible.", filePath);
+      err_flag = 1;
+    }
+  }
+  sqlite3_finalize(stmt);
+  return err_flag;
+}
+
+int restore_configs_exists(DB *db, Conf *conf, const char *pName, cklist *from, cklist *to) {
+  sqlite3_stmt *stmt;
+  int rc;
+
+  char sql[STR_L];
+
+  char selection[STR_M] = COL_CONFIG_PATH;
+  strcat(selection, ",");
+  strcat(selection, COL_CONFIG_SECRET);
+
+  char condition[STR_M] = TBL_PROGRAM;
+  strcat(condition, ".");
+  strcat(condition, COL_PROGRAM_NAME);
+
+  dbh_form_query_select_from_joined_eq(sql, selection, condition);
+
+  rc = sqlite3_prepare_v2(db->ptr, sql, -1, &stmt, 0);
+  if (rc != SQLITE_OK) {
+    return 0;
+  }
+
+  sqlite3_bind_text(stmt, 1, pName, -1, 0);
+  int err_flag = 0;
+  while (sqlite3_step(stmt) == SQLITE_ROW) {
+    char filePath[STR_L];
+    strcpy(filePath, /*secret*/ sqlite3_column_int(stmt, 1) ? conf->scrt_dir : conf->vc_dir);
+    strcat(filePath, "/");
+    strcat(filePath, pName);
+    if (!util_is_dir(filePath)) {
+      sERR("%s is not a directory.", filePath);
+      err_flag = 1;
+      break;
+    }
+    strcat(filePath, "/");
+    strcat(filePath, basename(/*path*/ (char *)sqlite3_column_text(stmt, 0)));
+    if (!util_is_file_rw(filePath)) {
+      sERR("%s does not exist or is not accessible.", filePath);
+      err_flag = 1;
+    }
+    list_add(from, filePath);
+    list_add(to, /*path*/ (char *)sqlite3_column_text(stmt, 0));
+  }
+  sqlite3_finalize(stmt);
+  return !err_flag;
+}
+
+int restore_all_exist(DB *db, Conf *conf, cklist *from, cklist *to) {
+  cklist *programs = list_make_new();
+  if (list_get_programs(db, programs) != 1) {
+    ERR("No programs in ckdb");
+    list_free(programs);
+    return 0;
+  }
+  int err_flag = 0;
+  if (list_size(programs) > 0) {
+    do {
+      if (!restore_configs_exists(db, conf, list_get(programs), from, to)) {
+        err_flag = 1;
+      }
+    } while(list_next(programs));
+  }
+  list_free(programs);
+  return !err_flag;
+}
-- 
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