add: forward schedule updates to relays

models/junction_relay_schedule.c

@@ -30,15 +30,13 @@ junction_relay_schedule_insert(uint8_t weekday, int relay_id, int schedule_id)
     return true;
 }
 
-int
-junction_relay_schedule_get_schedule_id(uint8_t weekday, int relay_id)
+static int*
+get_ids(sqlite3_stmt *stmt)
 {
-    int result = 0;
-    sqlite3_stmt *stmt;
+    int *ids = malloc(sizeof(int));
+    int new_id;
 
-    sqlite3_prepare_v2(global_database, "SELECT schedule_id FROM junction_relay_schedule WHERE weekday=?1 AND relay_id=?2 LIMIT 1;", -1, &stmt, NULL);
-    sqlite3_bind_int(stmt, 1, weekday);
-    sqlite3_bind_int(stmt, 2, relay_id);
+    int row = 0;
 
     while(true)
     {
@@ -47,7 +45,11 @@ junction_relay_schedule_get_schedule_id(uint8_t weekday, int relay_id)
         s = sqlite3_step(stmt);
         if (s == SQLITE_ROW)
         {
-            result = sqlite3_column_int(stmt, 0);
+            new_id = sqlite3_column_int(stmt, 0);
+            row++;
+
+            ids = (int*)realloc(ids, sizeof(int) * (row + 1));
+            ids[row - 1] = new_id;
         }
         else
         {
@@ -57,17 +59,46 @@ junction_relay_schedule_get_schedule_id(uint8_t weekday, int relay_id)
             }
             else
             {
-                LOG_ERROR("error reading from database: %s", sqlite3_errstr(s));
-                break;
+                LOG_ERROR("error selecting junction ids from database: %s\n", sqlite3_errstr(s));
+                sqlite3_finalize(stmt);
+                return NULL;
             }
         }
     }
 
     sqlite3_finalize(stmt);
+    ids[row] = 0;
 
+    return ids;
+}
+
+int
+junction_relay_schedule_get_schedule_id(uint8_t weekday, int relay_id)
+{
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT schedule_id FROM junction_relay_schedule WHERE weekday=?1 AND relay_id=?2 LIMIT 1;", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, weekday);
+    sqlite3_bind_int(stmt, 2, relay_id);
+
+    int *id_list = get_ids(stmt); 
+    int result = id_list[0];
+
+    free(id_list);
     return result;
 }
 
+int*
+junction_relay_schedule_get_relays_ids(int schedule_id)
+{
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT relay_id FROM junction_relay_schedule WHERE schedule_id=?1;", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, schedule_id);
+
+    return get_ids(stmt);
+}
+
 int
 junction_relay_schedule_remove(uint8_t weekday, int relay_id, int schedule_id)
 {

models/schedule.c

@@ -134,7 +134,10 @@ schedule_save(schedule_t *schedule)
     }
     else
     {
-        schedule->id = sqlite3_last_insert_rowid(global_database);
+        if(!schedule->id)
+        {
+            schedule->id = sqlite3_last_insert_rowid(global_database);
+        }
     }
     return result;
 }