add: macro endpoints

add: basic macro support
fix: database locking with lock-pointer
fix: memory leaks

src/models/macro_action.c

@@ -0,0 +1,139 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <stddef.h>
+
+#include <models/macro_action.h>
+#include <logger.h>
+#include <cache.h>
+#include <database.h>
+
+static macro_action_t*
+macro_action_db_select_mapper(sqlite3_stmt *stmt)
+{
+    macro_action_t *new_macro_action = malloc(sizeof(macro_action_t));
+    for(int i = 0; i < sqlite3_column_count(stmt); i++)
+    {
+        const char *name = sqlite3_column_name(stmt, i);
+        switch(name[0])
+        {
+            case 'm': // macro_id
+                new_macro_action->macro_id = sqlite3_column_int(stmt, i);
+                break;
+            case 'r': // relay_id
+                new_macro_action->relay_id = sqlite3_column_int(stmt, i);
+                break;
+            case 's': // schedule_id
+                new_macro_action->schedule_id = sqlite3_column_int(stmt, i);
+                break;
+            case 'w': // weekday
+                new_macro_action->weekday = (uint8_t)sqlite3_column_int(stmt, i);
+                break;
+            default: // ignore columns not implemented
+                break;
+        }
+    }
+    return new_macro_action;
+}
+
+static macro_action_t**
+macro_action_db_select(sqlite3_stmt *stmt)
+{
+    macro_action_t **all_macro_actions = malloc(sizeof(macro_action_t*));
+
+    int row = 0;
+
+    for(;;)
+    {
+        int s;
+
+        s = sqlite3_step(stmt);
+        if (s == SQLITE_ROW)
+        {
+            macro_action_t *new_macro_action = macro_action_db_select_mapper(stmt);
+            row++;
+
+            all_macro_actions = (macro_action_t**)realloc(all_macro_actions, sizeof(macro_action_t*) * (row + 1));
+            all_macro_actions[row - 1] = new_macro_action;
+        }
+        else
+        {
+            if(s == SQLITE_DONE)
+            {
+                break;
+            }
+            else
+            {
+                LOGGER_ERR("error selecting macro_actions from database: %s\n", sqlite3_errstr(s));
+                break;
+            }
+        }
+    }
+    sqlite3_finalize(stmt);
+    all_macro_actions[row] = NULL;
+    return all_macro_actions;
+}
+
+int
+macro_action_insert(macro_action_t *macro_action)
+{
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "INSERT INTO macro_actions(macro_id, relay_id, schedule_id, weekday) values (?1, ?2, ?3, ?4);", -1, &stmt, NULL);
+
+    sqlite3_bind_int(stmt, 1, macro_action->macro_id);
+    sqlite3_bind_int(stmt, 2, macro_action->relay_id);
+    sqlite3_bind_int(stmt, 3, macro_action->schedule_id);
+    sqlite3_bind_int(stmt, 4, macro_action->weekday);
+
+    int rc = sqlite3_step(stmt);
+
+    sqlite3_finalize(stmt);
+
+    cache_invalidate_macro(macro_action->macro_id);
+
+    return rc != SQLITE_DONE;
+}
+
+macro_action_t**
+macro_action_get_for_macro(int macro_id)
+{
+    LOGGER_DEBUG("getting macro_actions [macro_id=%d] from database\n", macro_id);
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT * FROM macro_actions WHERE macro_id=?", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, macro_id);
+
+    return macro_action_db_select(stmt);
+}
+
+void
+macro_action_free_list(macro_action_t **macro_actions)
+{
+    for(int i = 0; macro_actions[i] != NULL; ++i)
+    {
+        free(macro_actions[i]);
+    }
+    free(macro_actions);
+}
+
+int*
+macro_action_get_macro_ids_with_schedule(int schedule_id)
+{
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT macro_id FROM macro_actions WHERE schedule_id=?1;", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, schedule_id);
+
+    return database_helper_get_ids(stmt);
+}
+
+int*
+macro_action_get_macro_ids_with_relay(int relay_id)
+{
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT macro_id FROM macro_actions WHERE relay_id=?1;", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, relay_id);
+
+    return database_helper_get_ids(stmt);
+}