284 lines
7.2 KiB
C
284 lines
7.2 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include <sqlite3.h>
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#include <cJSON.h>
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#include <logger.h>
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#include <database.h>
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#include <models/controller.h>
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#include <models/junction_tag.h>
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#include <models/tag.h>
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static int
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db_update_insert(controller_t *controller, sqlite3_stmt *stmt)
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{
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int rc;
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sqlite3_bind_int(stmt, 1, controller->id);
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sqlite3_bind_blob(stmt, 2, controller->uid, sizeof(uuid_t), SQLITE_STATIC);
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sqlite3_bind_text(stmt, 3, controller->name, -1, SQLITE_STATIC);
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sqlite3_bind_text(stmt, 4, controller->ip, -1, SQLITE_STATIC);
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sqlite3_bind_int(stmt, 5, controller->active);
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sqlite3_bind_int(stmt, 6, controller->port);
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sqlite3_bind_int(stmt, 7, controller->relay_count);
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rc = sqlite3_step(stmt);
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sqlite3_finalize(stmt);
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return rc != SQLITE_DONE;
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}
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static controller_t*
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controller_db_select_mapper(sqlite3_stmt *stmt)
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{
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controller_t *new_controller = malloc(sizeof(controller_t));
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for(int i = 0; i < sqlite3_column_count(stmt); i++)
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{
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const char *name = sqlite3_column_name(stmt, i);
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switch(name[0])
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{
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case 'a': // active
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new_controller->active = (bool)sqlite3_column_int(stmt, i);
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break;
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case 'i':
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switch(name[1])
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{
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case 'd': // id
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new_controller->id = sqlite3_column_int(stmt, i);
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break;
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case 'p': // ip
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strncpy(new_controller->ip, (const char*)sqlite3_column_text(stmt, i), 16);
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break;
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default: // ignore columns not implemented
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break;
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}
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break;
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case 'n': // name
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strncpy(new_controller->name, (const char*)sqlite3_column_text(stmt, i), 127);
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break;
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case 'p': // port
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new_controller->port = sqlite3_column_int(stmt, i);
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break;
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case 'r': // relay_count
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new_controller->relay_count = sqlite3_column_int(stmt, i);
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break;
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case 'u': // uid
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uuid_copy(new_controller->uid, (const unsigned char*)sqlite3_column_blob(stmt, i));
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break;
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default: // ignore columns not implemented
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break;
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}
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}
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new_controller->relays = relay_get_by_controller_id(new_controller->id);
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return new_controller;
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}
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static controller_t**
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controller_db_select(sqlite3_stmt *stmt)
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{
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controller_t **all_controllers = malloc(sizeof(controller_t*));
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int row = 0;
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while(true)
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{
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int s;
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s = sqlite3_step(stmt);
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if (s == SQLITE_ROW)
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{
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controller_t *new_controller = controller_db_select_mapper(stmt);
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row++;
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all_controllers = (controller_t**)realloc(all_controllers, sizeof(controller_t*) * (row + 1));
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all_controllers[row - 1] = new_controller;
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}
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else
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{
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if(s == SQLITE_DONE)
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{
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break;
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}
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else
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{
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LOG_ERROR("error selecting controllers from database: %s\n", sqlite3_errstr(s));
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break;
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}
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}
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}
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sqlite3_finalize(stmt);
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all_controllers[row] = NULL;
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return all_controllers;
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}
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int
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controller_save(controller_t *controller)
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{
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sqlite3_stmt *stmt;
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if(controller->id)
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{
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sqlite3_prepare_v2(global_database, "UPDATE controllers set uid = ?2, name = ?3, ip = ?4, active = ?5, port = ?6, relay_count = ?7 WHERE id = ?1;", -1, &stmt, NULL);
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}
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else
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{
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sqlite3_prepare_v2(global_database, "INSERT INTO controllers(uid, name, ip, active, port, relay_count) values (?2, ?3, ?4, ?5, ?6, ?7);", -1, &stmt, NULL);
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}
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int result = db_update_insert(controller, stmt);
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if(result)
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{
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if(controller->id)
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{
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LOG_ERROR("error inserting data: %s\n", sqlite3_errmsg(global_database));
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}
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else
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{
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LOG_ERROR("error updating data: %s\n", sqlite3_errmsg(global_database));
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}
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}
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else
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{
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controller->id = sqlite3_last_insert_rowid(global_database);
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}
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return result;
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}
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int
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controller_remove(controller_t *controller)
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{
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sqlite3_stmt *stmt;
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if(!controller->id)
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{
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return 0;
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}
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sqlite3_prepare_v2(global_database, "DELETE FROM controllers WHERE id=?1;", -1, &stmt, NULL);
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sqlite3_bind_int(stmt, 1, controller->id);
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int rc = sqlite3_step(stmt);
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sqlite3_finalize(stmt);
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return rc != SQLITE_DONE;
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}
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void
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controller_free(controller_t *controller)
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{
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relay_free_list(controller->relays);
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free(controller);
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}
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void
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controller_free_list(controller_t **controllers)
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{
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for(int i = 0; controllers[i] != NULL; ++i)
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{
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controller_free(controllers[i]);
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}
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free(controllers);
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}
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cJSON*
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controller_to_json(controller_t *controller)
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{
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cJSON *json = cJSON_CreateObject();
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cJSON *json_name = cJSON_CreateString(controller->name);
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if(json_name == NULL)
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{
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cJSON_Delete(json);
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return NULL;
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}
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cJSON_AddItemToObject(json, "name", json_name);
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char uuid_str[UUID_STR_LEN];
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uuid_unparse(controller->uid, uuid_str);
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cJSON *json_id = cJSON_CreateString(uuid_str);
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if(json_name == NULL)
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{
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cJSON_Delete(json);
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return NULL;
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}
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cJSON_AddItemToObject(json, "id", json_id);
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cJSON *json_ip = cJSON_CreateString(controller->ip);
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if(json_ip == NULL)
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{
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cJSON_Delete(json);
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return NULL;
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}
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cJSON_AddItemToObject(json, "ip", json_ip);
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cJSON *json_port = cJSON_CreateNumber(controller->port);
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if(json_port == NULL)
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{
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cJSON_Delete(json);
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return NULL;
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}
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cJSON_AddItemToObject(json, "port", json_port);
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cJSON *json_relay_count = cJSON_CreateNumber(controller->relay_count);
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if(json_relay_count == NULL)
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{
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cJSON_Delete(json);
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return NULL;
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}
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cJSON_AddItemToObject(json, "relay_count", json_relay_count);
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cJSON *json_active = cJSON_CreateBool(controller->active);
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if(json_active == NULL)
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{
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cJSON_Delete(json);
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return NULL;
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}
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cJSON_AddItemToObject(json, "active", json_active);
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//TODO add relays
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return json;
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}
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controller_t*
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controller_get_by_id(int id)
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{
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sqlite3_stmt *stmt;
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sqlite3_prepare_v2(global_database, "SELECT * FROM controllers WHERE id = ?1;", -1, &stmt, NULL);
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sqlite3_bind_int(stmt, 1, id);
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controller_t **sql_result = controller_db_select(stmt);
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controller_t *result = sql_result[0];
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free(sql_result);
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return result;
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}
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controller_t*
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controller_get_by_uid(uuid_t uid)
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{
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sqlite3_stmt *stmt;
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sqlite3_prepare_v2(global_database, "SELECT * FROM controllers WHERE uid = ?1;", -1, &stmt, NULL);
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sqlite3_bind_blob(stmt, 1, uid, sizeof(uuid_t), SQLITE_STATIC);
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controller_t **sql_result = controller_db_select(stmt);
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controller_t *result = sql_result[0];
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free(sql_result);
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return result;
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}
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controller_t**
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controller_get_all()
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{
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sqlite3_stmt *stmt;
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sqlite3_prepare_v2(global_database, "SELECT * FROM controllers;", -1, &stmt, NULL);
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return controller_db_select(stmt);
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}
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