add: more basic macro stuff

add: more efficient relay loading (only ids)

include/cache.h

@@ -36,7 +36,6 @@ void
 cache_invalidate_relay(int relay_id, int status_relay);
 
 
-
 void
 cache_put_json_controller(int controller_id, char *controller_json);
 
@@ -47,6 +46,16 @@ void
 cache_invalidate_controller(int controller_id);
 
 
+void
+cache_put_json_macro(int macro_id, char *macro_json);
+
+char*
+cache_get_json_macro(int macro_id);
+
+void
+cache_invalidate_macro(int macro_id);
+
+
 
 void
 cache_invalidate_tagged(int tag_id);

include/models/junction_relay_schedule.h

@@ -10,4 +10,7 @@ junction_relay_schedule_remove_for_relay(int relay_id);
 int
 junction_relay_schedule_insert_weekdays(int relay_id, int *schedule_ids);
 
+int*
+junction_relay_schedule_get_relay_ids_with_schedule(int schedule_id);
+
 #endif /* CORE_MODELS_JUNCTION_RELAY_SCHEDULE_H */

include/models/macro.h

@@ -0,0 +1,45 @@
+#ifndef CORE_MACRO_H
+#define CORE_MACRO_H
+
+#include <uuid/uuid.h>
+
+#include <cJSON.h>
+
+#include <constants.h>
+#include <models/period.h>
+
+typedef struct
+{
+    int id;
+    uuid_t uid;
+    char name[MAX_NAME_LENGTH + 1];
+} macro_t;
+
+int
+macro_save(macro_t *macro);
+
+int
+macro_remove(macro_t *macro);
+
+void
+macro_free(macro_t *macro);
+
+void
+macro_free_list(macro_t **macro);
+
+cJSON*
+macro_to_json(macro_t *macro);
+
+void
+macro_free_list(macro_t **macros_list);
+
+macro_t*
+macro_get_by_id(int id);
+
+macro_t*
+macro_get_by_uid(uuid_t uid);
+
+macro_t**
+macro_get_all();
+
+#endif /* CORE_MACRO_H */

src/cache.c

@@ -2,6 +2,7 @@
 #include <logger.h>
 #include <sql/cache.h>
 #include <models/junction_tag.h>
+#include <models/junction_relay_schedule.h>
 
 
 sqlite3 *cache_database;
@@ -134,14 +135,14 @@ cache_invalidate_schedule(int schedule_id)
     sprintf(key, "schedule_json:%d", schedule_id);
     cache_invalidate(key);
 
-    relay_t **relays = relay_get_with_schedule(schedule_id);
+    int *relay_ids = junction_relay_schedule_get_relay_ids_with_schedule(schedule_id);
 
-    for(int i = 0; relays[i] != NULL; ++i)
+    for(int i = 0; relay_ids[i] != 0; ++i)
     {
-        cache_invalidate_relay(relays[i]->id, -1);
+        cache_invalidate_relay(relay_ids[i], -1);
     }
 
-    relay_free_list(relays);
+    free(relay_ids);
 }
 
 
@@ -208,6 +209,34 @@ cache_invalidate_controller(int controller_id)
     cache_invalidate(key);
 }
 
+
+
+void
+cache_put_json_macro(int macro_id, char *macro_json)
+{
+    char key[32];
+    sprintf(key, "macro_json:%d", macro_id);
+    cache_insert_value(key, macro_json);
+}
+
+char*
+cache_get_json_macro(int macro_id)
+{
+    char key[32];
+    sprintf(key, "macro_json:%d", macro_id);
+    return cache_get_value(key);
+}
+
+void
+cache_invalidate_macro(int macro_id)
+{
+    char key[32];
+    sprintf(key, "macro_json:%d", macro_id);
+    cache_invalidate(key);
+}
+
+
+
 void
 cache_invalidate_tagged(int tag_id)
 {

src/models/junction_relay_schedule.c

@@ -87,3 +87,14 @@ junction_relay_schedule_remove_for_relay(int relay_id)
 
     return rc == SQLITE_DONE;
 }
+
+int*
+junction_relay_schedule_get_relay_ids_with_schedule(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 database_helper_get_ids(stmt);
+}

src/models/macro.c

@@ -0,0 +1,451 @@
+#include <stdlib.h>
+#include <string.h>
+#include <sqlite3.h>
+
+#include <cache.h>
+#include <cJSON.h>
+#include <logger.h>
+#include <database.h>
+#include <models/macro.h>
+#include <models/junction_macro.h>
+#include <models/schedule.h>
+#include <models/tag.h>
+
+static int
+db_update_insert(macro_t *macro, sqlite3_stmt *stmt)
+{
+    LOGGER_DEBUG("saving macro '%s' into database (id: %d)\n", macro->name, macro->id);
+
+    int rc;
+
+    sqlite3_bind_int(stmt, 1, macro->id);
+    sqlite3_bind_blob(stmt, 2, macro->uid, sizeof(uuid_t), SQLITE_STATIC);
+    sqlite3_bind_text(stmt, 3, macro->name, -1, SQLITE_STATIC);
+
+    rc = sqlite3_step(stmt);
+
+    sqlite3_finalize(stmt);
+
+    free(periods_blob);
+
+    return rc != SQLITE_DONE;
+}
+static macro_t*
+macro_db_select_mapper(sqlite3_stmt *stmt)
+{
+    const uint16_t *periods_blob;
+    macro_t *new_macro = malloc(sizeof(macro_t));
+    for(int i = 0; i < sqlite3_column_count(stmt); i++)
+    {
+        const char *name = sqlite3_column_name(stmt, i);
+        switch(name[0])
+        {
+            case 'i': // id
+                new_macro->id = sqlite3_column_int(stmt, i);
+                break;
+            case 'n': // name
+                strncpy(new_macro->name, (const char*)sqlite3_column_text(stmt, i), MAX_NAME_LENGTH);
+                new_macro->name[MAX_NAME_LENGTH] = '\0';
+                break;
+            case 'u': // uid
+                uuid_copy(new_macro->uid, (const unsigned char*)sqlite3_column_blob(stmt, i));
+                break;
+            default: // ignore columns not implemented
+                break;
+        }
+    }
+    return new_macro;
+}
+
+static macro_t**
+macro_db_select(sqlite3_stmt *stmt)
+{
+    macro_t **all_macros = malloc(sizeof(macro_t*));
+
+    int row = 0;
+
+    for(;;)
+    {
+        int s;
+
+        s = sqlite3_step(stmt);
+        if (s == SQLITE_ROW)
+        {
+            macro_t *new_macro = macro_db_select_mapper(stmt);
+            row++;
+
+            all_macros = (macro_t**)realloc(all_macros, sizeof(macro_t*) * (row + 1));
+            all_macros[row - 1] = new_macro;
+        }
+        else
+        {
+            if(s == SQLITE_DONE)
+            {
+                break;
+            }
+            else
+            {
+                LOGGER_ERR("error selecting macros from database: %s\n", sqlite3_errstr(s));
+                break;
+            }
+        }
+    }
+    sqlite3_finalize(stmt);
+    all_macros[row] = NULL;
+    return all_macros;
+}
+
+int
+macro_save(macro_t *macro)
+{
+    int opened_transaction = database_transaction_begin();
+     
+    sqlite3_stmt *stmt;
+    if(macro->id)
+    {
+        sqlite3_prepare_v2(global_database, "UPDATE macros SET uid = ?2, name = ?3, periods = ?4 WHERE id=?1;", -1, &stmt, NULL);
+    }
+    else
+    {
+        sqlite3_prepare_v2(global_database, "INSERT INTO macros(uid, name, periods) values (?2, ?3, ?4);", -1, &stmt, NULL);
+    }
+
+    int result = db_update_insert(macro, stmt);
+
+    if(result)
+    {
+        if(macro->id)
+        {
+            LOGGER_ERR("error inserting data: %s\n", sqlite3_errmsg(global_database));
+        }
+        else
+        {
+            LOGGER_ERR("error updating data: %s\n", sqlite3_errmsg(global_database));
+        }
+
+        if(opened_transaction)
+        {
+            database_transaction_rollback();
+        }
+    }
+    else
+    {
+        if(!macro->id)
+        {
+            macro->id = sqlite3_last_insert_rowid(global_database);
+        }
+
+        if(opened_transaction)
+        {
+            database_transaction_commit();
+        }
+    }
+
+    cache_invalidate_macro(macro->id);
+
+    return result;
+}
+
+int
+macro_remove(macro_t *macro)
+{
+    sqlite3_stmt *stmt;
+    if(!macro->id)
+    {
+        return 0;
+    }
+
+    sqlite3_prepare_v2(global_database, "DELETE FROM macros WHERE id=?1;", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, macro->id);
+
+    int rc = sqlite3_step(stmt);
+
+    sqlite3_finalize(stmt);
+
+    return rc != SQLITE_DONE;
+}
+
+int
+macro_is_protected(macro_t *macro)
+{
+    uuid_t tmp_uuid;
+
+    memset(tmp_uuid, 0, sizeof(uuid_t));
+    memcpy(tmp_uuid, "off", 3);
+    if(uuid_compare(macro->uid, tmp_uuid) == 0)
+    {
+        return 1;
+    }
+
+    memset(tmp_uuid, 0, sizeof(uuid_t));
+    memcpy(tmp_uuid, "on", 2);
+    if(uuid_compare(macro->uid, tmp_uuid) == 0)
+    {
+        return 1;
+    }
+
+    return 0;
+}
+
+void
+macro_free(macro_t *macro)
+{
+    free(macro->periods);
+    free(macro);
+}
+
+void
+macro_free_list(macro_t **macros)
+{
+    for(int i = 0; macros[i] != NULL; ++i)
+    {
+        macro_free(macros[i]);
+    }
+    free(macros);
+}
+
+uint16_t*
+macro_periods_to_blob(macro_t *macro)
+{
+    uint16_t *blob = malloc(sizeof(uint16_t) * ((macro->periods_count * 2) + 1));
+
+    blob[0] = macro->periods_count;
+
+    for(int i = 0; i < macro->periods_count; i++)
+    {
+        blob[(i * 2) + 1] = macro->periods[i].start;
+        blob[(i * 2) + 2] = macro->periods[i].end;
+    }
+    return blob;
+}
+
+cJSON*
+macro_to_json(macro_t *macro)
+{
+    cJSON *json;
+
+    char *cached = cache_get_json_macro(macro->id);
+    if(cached)
+    {
+        json = cJSON_CreateRaw(cached);
+        free(cached);
+        return json;
+    }
+
+    char uuid_str[UUID_STR_LEN];
+    macro_uid_unparse(macro->uid, uuid_str);
+
+    LOGGER_DEBUG("JSONifying macro %s\n", uuid_str);
+
+    json = cJSON_CreateObject();
+
+    cJSON *json_name = cJSON_CreateString(macro->name);
+    if(json_name == NULL)
+    {
+        cJSON_Delete(json);
+        return NULL;
+    }
+    cJSON_AddItemToObject(json, "name", json_name);
+
+    cJSON *json_id = cJSON_CreateString(uuid_str);
+    if(json_name == NULL)
+    {
+        cJSON_Delete(json);
+        return NULL;
+    }
+    cJSON_AddItemToObject(json, "id", json_id);
+
+    cJSON *json_tags = cJSON_CreateArray();
+    int *tags_ids = junction_tag_get_tags_for_macro_id(macro->id);
+    if(tags_ids != NULL)
+    {
+        for(int i = 0; tags_ids[i] != 0; ++i)
+        {
+            char *tag = tag_get_tag(tags_ids[i]);
+            if(tag == NULL)
+            {
+                continue;   
+            }
+
+            cJSON *json_tag = cJSON_CreateString(tag);
+            if (json_tag == NULL)
+            {
+                LOGGER_DEBUG("failed to add tag from string '%s'\n", tag);
+                free(tag);
+                continue;
+            }
+            cJSON_AddItemToArray(json_tags, json_tag);
+            free(tag);
+        }
+        free(tags_ids);
+    }
+    cJSON_AddItemToObject(json, "tags", json_tags);
+
+    char *json_str = cJSON_Print(json);
+    cache_put_json_macro(macro->id, json_str);
+    cJSON_Delete(json);
+
+    json = cJSON_CreateRaw(json_str);
+    free(json_str);
+    return json;
+}
+
+macro_t*
+macro_get_by_id_or_off(int id)
+{
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT * FROM macros WHERE id = ?1;", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, id);
+
+    macro_t **sql_result = macro_db_select(stmt);
+
+    macro_t *result = sql_result[0];
+    free(sql_result);
+
+    if(result)
+    {
+        return result;
+    }
+    
+    uuid_t tmp_uuid;
+    memset(tmp_uuid, 0, sizeof(uuid_t));
+    memcpy(tmp_uuid, "off", 3);
+
+    return macro_get_by_uid(tmp_uuid);
+}
+
+macro_t*
+macro_get_by_id(int id)
+{
+    LOGGER_DEBUG("getting macro [id=%d] from database\n", id);
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT * FROM macros WHERE id = ?1;", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, id);
+
+    macro_t **sql_result = macro_db_select(stmt);
+
+    macro_t *result = sql_result[0];
+    free(sql_result);
+
+    return result;
+}
+
+macro_t*
+macro_get_by_uid_or_off(uuid_t uid)
+{
+    char uuid_str[UUID_STR_LEN];
+    macro_uid_unparse(uid, uuid_str);
+    LOGGER_DEBUG("getting macro [uid=%s] or off from database\n", uuid_str);
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT * FROM macros WHERE uid = ?1;", -1, &stmt, NULL);
+    sqlite3_bind_blob(stmt, 1, uid, sizeof(uuid_t), SQLITE_STATIC);
+
+    macro_t **sql_result = macro_db_select(stmt);
+
+    macro_t *result = sql_result[0];
+    free(sql_result);
+
+    if(result)
+    {
+        return result;
+    }
+    
+    uuid_t tmp_uuid;
+    memset(tmp_uuid, 0, sizeof(uuid_t));
+    memcpy(tmp_uuid, "off", 3);
+
+    return macro_get_by_uid(tmp_uuid);
+}
+
+macro_t*
+macro_get_by_uid(uuid_t uid)
+{
+    char uuid_str[UUID_STR_LEN];
+    macro_uid_unparse(uid, uuid_str);
+    LOGGER_DEBUG("getting macro [uid=%s] from database\n", uuid_str);
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT * FROM macros WHERE uid = ?1;", -1, &stmt, NULL);
+    sqlite3_bind_blob(stmt, 1, uid, sizeof(uuid_t), SQLITE_STATIC);
+
+    macro_t **sql_result = macro_db_select(stmt);
+
+    macro_t *result = sql_result[0];
+    free(sql_result);
+
+    return result;
+}
+
+macro_t**
+macro_get_relay_weekdays(int relay_id)
+{
+    LOGGER_DEBUG("getting macros [relay_id=%d] from database\n", relay_id);
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT macros.* FROM macros INNER JOIN junction_relay_macro ON macros.id == junction_relay_macro.macro_id WHERE junction_relay_macro.relay_id = ?1 ORDER BY junction_relay_macro.weekday ASC", -1, &stmt, NULL);
+    sqlite3_bind_int(stmt, 1, relay_id);
+
+    return macro_db_select(stmt);
+}
+
+macro_t**
+macro_get_all()
+{
+    LOGGER_DEBUG("getting all macros from database\n");
+    sqlite3_stmt *stmt;
+
+    sqlite3_prepare_v2(global_database, "SELECT * FROM macros;", -1, &stmt, NULL);
+
+    return macro_db_select(stmt);
+
+}
+
+int
+macro_uid_parse(const char *uid_str, uuid_t result)
+{
+    if(strcmp("off", uid_str) == 0)
+    {
+        memset(result, 0, sizeof(uuid_t));
+        memcpy(result, "off", 3);
+        return 0;
+    }
+    if(strcmp("on", uid_str) == 0)
+    {
+        memset(result, 0, sizeof(uuid_t));
+        memcpy(result, "on", 2);
+        return 0;
+    }
+
+    if(uuid_parse(uid_str, result))
+    {
+        return 1;
+    }
+    return 0;
+}
+
+void
+macro_uid_unparse(const uuid_t uid, char *result)
+{
+    uuid_t tmp_uuid;
+
+    memset(tmp_uuid, 0, sizeof(uuid_t));
+    memcpy(tmp_uuid, "off", 3);
+    if(uuid_compare(uid, tmp_uuid) == 0)
+    {
+        strcpy(result, "off");
+        return;
+    }
+
+    memset(tmp_uuid, 0, sizeof(uuid_t));
+    memcpy(tmp_uuid, "on", 2);
+    if(uuid_compare(uid, tmp_uuid) == 0)
+    {
+        strcpy(result, "on");
+        return;
+    }
+
+    uuid_unparse(uid, result);
+}

src/models/schedule.c

@@ -46,8 +46,8 @@ schedule_db_select_mapper(sqlite3_stmt *stmt)
                 new_schedule->id = sqlite3_column_int(stmt, i);
                 break;
             case 'n': // name
-                strncpy(new_schedule->name, (const char*)sqlite3_column_text(stmt, i), 127);
+                strncpy(new_schedule->name, (const char*)sqlite3_column_text(stmt, i), MAX_NAME_LENGTH);
-                new_schedule->name[127] = '\0';
+                new_schedule->name[MAX_NAME_LENGTH] = '\0';
                 break;
             case 'p': // periods
                 periods_blob = sqlite3_column_blob(stmt, i);