From ff04205b2d794ae9157f9c423295da97bcebd90e Mon Sep 17 00:00:00 2001
From: Anastasis Grammenos <anastasis.gramm2@gmail.com>
Date: Sat, 22 Sep 2018 23:25:35 +0300
Subject: Add search action

---
 src/actionhelper.c |  7 +++++--
 src/actionparser.c | 12 ++++++++++--
 src/actions.c      | 46 ++++++++++++++++++++++++++++++++++++----------
 3 files changed, 51 insertions(+), 14 deletions(-)

diff --git a/src/actionhelper.c b/src/actionhelper.c
index 9710ef8..e0876eb 100644
--- a/src/actionhelper.c
+++ b/src/actionhelper.c
@@ -198,11 +198,14 @@ void print_LIST_result(int err) {
 }
 
 void print_SEARCH_result(int err) {
+  if (err == 2) {
+    printf("No grep avaliable. Please make sure you have grep installed.\n");
+    return;
+    }
   if (!err) {
-    printf("succes\n");
     return;
   }
-  printf("Not Supported\n");
+  printf("Wrong search.\n");
 }
 
 void print_HELP_result(int err) {
diff --git a/src/actionparser.c b/src/actionparser.c
index a1fd1ef..580eb01 100644
--- a/src/actionparser.c
+++ b/src/actionparser.c
@@ -123,7 +123,15 @@ int parse_LIST(UserOpt *opt) {
   return 1;
 }
 int parse_SEARCH(UserOpt *opt) {
-  return -1;
+  /* Search expects a maximum of 1 argument */
+  if (optNum > pos + 1) {
+    opt->err = PERR_SEARCH_WRONG;
+    return -1;
+  }
+
+  int arg_num = optNum - pos;
+  fill_args_list(arg_num, opt);  
+  return 1;
 }
 int parse_HELP(UserOpt *opt) {
   return -1;
@@ -272,7 +280,7 @@ void print_parser_error(UserOpt *opt) {
     sprintf(errStr, "List programs, configs and more\nUsage: %s value-to-list (or tree) [-t list-type]", names);
     break;
   case PERR_SEARCH_WRONG:
-    sprintf(errStr, "Usage: .............");
+    sprintf(errStr, "Search through the configs with grep\nUsage: %s search-term", names);
     break;
   case PERR_HELP_WRONG:
     sprintf(errStr, "Usage: ........");
diff --git a/src/actions.c b/src/actions.c
index e75c885..efffc1b 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -41,7 +41,7 @@ int run_ADD(UserOpt * opt, Conf *conf) {
     if (db.error == SQL_ERR_NO_TABLES) {
       PRINT_ERR("The database file is currupted. Run ck init anew.");
     }
-    return 1;
+    goto error;
   }
   AddOpt addOpt = add_make_options(opt->args);
   switch (addOpt.err) {
@@ -49,26 +49,25 @@ int run_ADD(UserOpt * opt, Conf *conf) {
     break;
   case ADD_ERR_WRONG_CONFIG:
     PRINT_ERR("The config file specified doesn't exist.");
-    close_DB(&db);
-    return 1;
+    goto error;
   case ADD_ERR_WRONG_FLAGS:
     PRINT_ERR("Flags are: -s for secret and -p for primary.");
-    close_DB(&db);
-    return 1;
+    goto error;
   }
   add_print_opts(&addOpt);
   /* Try adding the new config to the DB */
   if (add_transaction_try(&db, &addOpt)) {
-    close_DB(&db);
-    return 1;
+    goto error;
   }
-  close_DB(&db);
   add_make_link(&addOpt, conf);
   char err[STR_M];
   if (add_err_message(err)) {
     PRINT_ERR(err);
+  error:
+    close_DB(&db);
     return 1;
   }
+  close_DB(&db);
   return 0;
 }
 
@@ -175,11 +174,38 @@ int run_LIST(UserOpt *opt, Conf *conf) {
   return 0;
 }
 
+FILE *popen(const char *command, const char *mode);
+int pclose(FILE *stream);
+
 int run_SEARCH(UserOpt *opt, Conf *conf) {
-  printf("Running %s\n", "search");
+  if (system("which grep > /dev/null") != 0) {
+    return 2;
+  }
   DB db = open_DB(opt);
+  cklist *paths = list_make_new();
+  list_get_paths(&db, paths);
   close_DB(&db);
-  return 1;
+  if (list_size(paths)) {
+    do {
+      FILE *cmd;
+      char result[4096] = "";
+      char command[STR_L] = "grep -H -n ";
+      strcat(command, list_get(opt->args));
+      strcat(command, " ");
+      strcat(command, list_get(paths));
+      cmd = popen(command, "r");
+      if (cmd == NULL) {
+        list_free(paths);
+        return 1;
+      }
+      while (fgets(result, sizeof(result), cmd)) {
+        printf("%s", result);
+      }
+      pclose(cmd);
+    } while(list_next(paths));
+  }
+  list_free(paths);
+  return 0;
 }
 
 int run_HELP(UserOpt *opt, Conf *conf) {
-- 
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